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EXHIBIT 4.1 Execution Copy MERRILL LYNCH MORTGAGE INVESTORS, INC., Depositor WELLS FARGO BANK, N.A., Master Servicer and Securities Administrator WILSHIRE CREDIT CORPORATION, Servicer and Company and HSBC BANK USA, NATIONAL ASSOCIATION, Trustee POOLING AND SERVICING AGREEMENT Dated as of March 1, 20

Pooling and Servicing Agreement

EXHIBIT 4.1 Execution Copy MERRILL LYNCH MORTGAGE INVESTORS, INC., Depositor WELLS FARGO BANK, N.A., Master Servicer and Securities Administrator WILSHIRE CREDIT CORPORATION, Servicer and Company and HSBC BANK USA, NATIONAL ASSOCIATION, Trustee POOLING AND SERVICING AGREEMENT Dated as of March 1, 20 | Document Parties: HSBC BANK USA, NATIONAL ASSOCIATION | MERRILL LYNCH MORTGAGE INVESTORS, INC | WELLS FARGO BANK, NA | WILSHIRE CREDIT CORPORATION You are currently viewing:
This Pooling and Servicing Agreement involves

HSBC BANK USA, NATIONAL ASSOCIATION | MERRILL LYNCH MORTGAGE INVESTORS, INC | WELLS FARGO BANK, NA | WILSHIRE CREDIT CORPORATION

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Title: EXHIBIT 4.1 Execution Copy MERRILL LYNCH MORTGAGE INVESTORS, INC., Depositor WELLS FARGO BANK, N.A., Master Servicer and Securities Administrator WILSHIRE CREDIT CORPORATION, Servicer and Company and HSBC BANK USA, NATIONAL ASSOCIATION, Trustee POOLING AND SERVICING AGREEMENT Dated as of March 1, 20
Governing Law: New York     Date: 4/13/2007

EXHIBIT 4.1 Execution Copy MERRILL LYNCH MORTGAGE INVESTORS, INC., Depositor WELLS FARGO BANK, N.A., Master Servicer and Securities Administrator WILSHIRE CREDIT CORPORATION, Servicer and Company and HSBC BANK USA, NATIONAL ASSOCIATION, Trustee POOLING AND SERVICING AGREEMENT Dated as of March 1, 20, Parties: hsbc bank usa  national association , merrill lynch mortgage investors  inc , wells fargo bank  na , wilshire credit corporation
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<PAGE>
                                                                     EXHIBIT 4.1

                                                                  Execution Copy

                     MERRILL LYNCH MORTGAGE INVESTORS, INC.,
                                     Depositor

                             WELLS FARGO BANK, N.A.,
                  Master Servicer and Securities Administrator

                          WILSHIRE CREDIT CORPORATION,
                              Servicer and Company

                                        and

                      HSBC BANK USA, NATIONAL ASSOCIATION,
                                     Trustee

                         POOLING AND SERVICING AGREEMENT

                            Dated as of March 1, 2007

                                    ----------

            Mortgage Pass-Through Certificates, MANA Series 2007-OAR2

<PAGE>

                                TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                             Page
                                                                            ----
<S>                                                                          <C>
ARTICLE I DEFINITIONS....................................................      13
   Section 1.02   Accounting..............................................      62

ARTICLE II CONVEYANCE OF MORTGAGE LOANS; ORIGINAL ISSUANCE OF
   CERTIFICATES..........................................................      62
   Section 2.01   Conveyance of Mortgage Loans to Trustee.................      62
   Section 2.02   Acceptance of Mortgage Loans by Trustee.................      65
   Section 2.03   Assignment of Interest in the Mortgage Loan Purchase
                 Agreement...............................................      68
   Section 2.04   Substitution of Mortgage Loans..........................      69
   Section 2.05   Issuance of Certificates................................      70
   Section 2.06   Representations and Warranties Concerning the
                  Depositor...............................................      71
   Section 2.07   Representations and Warranties Concerning the Master
                 Servicer and Securities Administrator...................      72
   Section 2.08   Covenants of the Company................................      73

ARTICLE III ADMINISTRATION OF MORTGAGE LOANS............................      73
   Section 3.01   Master Servicer.........................................      73
   Section 3.02   REMIC-Related Covenants.................................      74
   Section 3.03   Monitoring of Servicers.................................      75
   Section 3.04   Fidelity Bond...........................................      76
   Section 3.05   Power to Act; Procedures................................      76
   Section 3.06   Due-on-Sale Clauses; Assumption Agreements..............      77
   Section 3.07   [Reserved]..............................................      77
   Section 3.08   Documents, Records and Funds in Possession of Master
                 Servicer To Be Held for Trustee.........................      77
   Section 3.09   Standard Hazard Insurance and Flood Insurance Policies..      78
   Section 3.10   Presentment of Claims and Collection of Proceeds........      78
   Section 3.11   Maintenance of the Primary Mortgage Insurance Policies..      78
   Section 3.12   Trustee to Retain Possession of Certain Insurance
                 Policies and Documents..................................      79
   Section 3.13   Realization Upon Defaulted Mortgage Loans...............      79
   Section 3.14   Compensation for the Master Servicer....................      79
   Section 3.15   REO Property............................................      79
   Section 3.16   Annual Statement as to Compliance.......................      80
   Section 3.17   Reports on Assessment of Compliance and Attestation.....      81
   Section 3.18   Periodic Filings........................................      82
   Section 3.19   Compliance with Regulation AB...........................      89
   Section 3.20   Servicing Rights Owner..................................      89

ARTICLE IV ACCOUNTS......................................................      90
   Section 4.01   Protected Accounts......................................      90
</TABLE>

<PAGE>

<TABLE>
<S>                                                                            <C>
   Section 4.02   Master Servicer Collection Account......................      91
   Section 4.03   Permitted Withdrawals and Transfers from the Master
                 Servicer Collection Account.............................      92
   Section 4.04   Distribution Account....................................      93
   Section 4.05   Permitted Withdrawals and Transfers from the
                 Distribution Account....................................      94

ARTICLE V CERTIFICATES...................................................      96
   Section 5.01   The Certificates........................................      96
   Section 5.02   Certificate Register; Registration of Transfer and
                 Exchange of Certificates................................      96
   Section 5.03   Mutilated, Destroyed, Lost or Stolen Certificates.......     100
   Section 5.04   Persons Deemed Owners...................................     101
   Section 5.05   Access to List of Certificateholders' Names and
                 Addresses...............................................     101
   Section 5.06   Book-Entry Certificates.................................     101
   Section 5.07   Notices to Depository...................................     102
   Section 5.08   Definitive Certificates.................................     102
   Section 5.09   Maintenance of Office or Agency.........................     103

ARTICLE VI PAYMENTS TO CERTIFICATEHOLDERS................................     103
   Section 6.01   Distributions on the Certificates.......................     103
   Section 6.02   Distributions...........................................     113
   Section 6.03   Statements to Certificateholders........................     114
   Section 6.04   Advances................................................     117
   Section 6.05   Compensating Interest Payments..........................     117

ARTICLE VII THE MASTER SERVICER AND THE DEPOSITOR........................     118
   Section 7.01   Liabilities of the Master Servicer......................     118
   Section 7.02   Merger or Consolidation of the Master Servicer..........     118
   Section 7.03   Indemnification from the Master Servicer and the
                 Depositor...............................................     118
   Section 7.04   Limitations on Liability of the Master Servicer and
                 Others..................................................     118
   Section 7.05   Master Servicer Not to Resign...........................     120
   Section 7.06   Successor Master Servicer...............................     120
   Section 7.07   Sale and Assignment of Master Servicing.................     120

ARTICLE VIII DEFAULT.....................................................     121
   Section 8.01   Events of Default.......................................     121
   Section 8.02   Trustee to Act; Appointment of Successor................     122
   Section 8.03   Notification to Certificateholders......................     124
   Section 8.04   Waiver of Defaults......................................     124
   Section 8.05   List of Certificateholders..............................     124

ARTICLE IX CONCERNING THE TRUSTEE AND THE SECURITIES ADMINISTRATOR.......     124
   Section 9.01   Duties of Trustee.......................................     124
</TABLE>


                                       iii

<PAGE>

<TABLE>
<S>                                                                            <C>
   Section 9.02   Certain Matters Affecting the Trustee and the Securities
                 Administrator...........................................     127
   Section 9.03   Trustee and Securities Administrator Not Liable for
                 Certificates or Mortgage Loans..........................     128
   Section 9.04   Trustee and Securities Administrator May Own
                 Certificates............................................     129
   Section 9.05   Trustee's and Securities Administrator's Fees and
                 Expenses................................................     129
   Section 9.06   Eligibility Requirements for Trustee and Securities
                 Administrator...........................................     130
   Section 9.07   Insurance...............................................     130
   Section 9.08   Resignation and Removal of the Trustee and Securities
                 Administrator...........................................     131
   Section 9.09   Successor Trustee and Successor Securities
                 Administrator...........................................     131
   Section 9.10   Merger or Consolidation of Trustee or Securities
                 Administrator...........................................     132
   Section 9.11   Appointment of Co-Trustee or Separate Trustee...........     132
   Section 9.12   Federal Information Returns and Reports to
                 Certificateholders; REMIC Administration................     134

ARTICLE X TERMINATION....................................................     142
   Section 10.01 Termination upon Liquidation or Repurchase of all
                 Mortgage Loans..........................................     142
   Section 10.02 Final Distribution on the Certificates..................     143
   Section 10.03 Additional Termination Requirements.....................     144

ARTICLE XI MISCELLANEOUS PROVISIONS......................................     145
   Section 11.01 Intent of Parties.......................................     145
   Section 11.02 Amendment...............................................     145
   Section 11.03 Recordation of Agreement................................     147
   Section 11.04 Limitation on Rights of Certificateholders..............     147
   Section 11.05 Acts of Certificateholders..............................     148
   Section 11.06 Governing Law...........................................     149
   Section 11.07 Notices.................................................     149
   Section 11.08 Severability of Provisions..............................     150
   Section 11.09 Successors and Assigns..................................     150
   Section 11.10 Article and Section Headings............................     150
   Section 11.11 Counterparts............................................     150
   Section 11.12 Notice to Rating Agencies...............................     150
   Section 11.13 Third Party Rights......................................     150

ARTICLE XII PROHIBITED TRANSACTIONS......................................     151
   Section 12.01 [Reserved]..............................................     151
   Section 12.02 Prohibited Transactions and Activities..................     151
   Section 12.03 Indemnification with Respect to Prohibited Transactions
                 or Loss of REMIC Status.................................     151
   Section 12.04 REO Property............................................     151

ARTICLE XIII SERVICING OF MORTGAGE LOANS.................................     152
</TABLE>


                                       iv

<PAGE>

<TABLE>
<S>                                                                           <C>
   Section 13.01 Company to Service Mortgage Loans.......................     152
   Section 13.02 Servicing and Subservicing; Enforcement of the
                 Obligations of Servicers................................     154
   Section 13.03 Rights of the Depositor and the Trustee in Respect of
                 the Servicer............................................     155
   Section 13.04 Master Servicer to Act as Servicer......................     155
   Section 13.05 Collection of Mortgage Loan Payments; Collection
                 Account; Certificate Account............................     156
   Section 13.06 Collection of Taxes, Assessments and Similar Items;
                 Escrow Accounts.........................................     158
   Section 13.07 Access to Certain Documentation and Information
                 Regarding the Mortgage Loans............................     159
   Section 13.08 Permitted Withdrawals from the Collection Account and
                 Certificate Account.....................................     159
   Section 13.09 [Reserved]..............................................     161
   Section 13.10 Maintenance of Hazard Insurance.........................     161
   Section 13.11 Enforcement of Due-On-Sale Clauses; Assumption
                 Agreements..............................................     162
   Section 13.12 Realization Upon Defaulted Mortgage Loans; Determination
                 of Excess Proceeds; Special Loss Mitigation.............     163
   Section 13.13 Release of Mortgage Files...............................     167
   Section 13.14 Documents, Records and Funds in Possession of Servicer
                 to be Held for the Trustee..............................     168
   Section 13.15 Servicing Compensation..................................     168
   Section 13.16 Access to Certain Documentation.........................     169
   Section 13.17 Subordination of Liens..................................     169
   Section 13.18 Information to the Master Servicer......................     170
   Section 13.19 Indemnification.........................................     170
   Section 13.20 Solicitation............................................     170
   Section 13.21 High Cost Mortgage Loans................................     171
   Section 13.22 Advances................................................     171
   Section 13.23 Reduction of Servicing Compensation in Connection with
                 Prepayment Interest Shortfalls..........................     172
   Section 13.24 Special Servicing Agreements............................     173

ARTICLE XIV THE DEPOSITOR AND THE SERVICER...............................     173
   Section 14.01 Respective Liabilities of the Depositor and the
                 Servicer................................................     173
   Section 14.02 Merger or Consolidation of the Depositor or the
                 Servicer................................................     173
   Section 14.03 Limitation on Liability of the Depositor, the Servicers
                 and Others..............................................     173
   Section 14.04 Limitation on Resignation of Servicer...................     174
   Section 14.05 Errors and Omissions Insurance; Fidelity Bonds..........     174

ARTICLE XV DEFAULT; TERMINATION OF A SERVICER............................     175
   Section 15.01 Servicer Events of Default..............................     175
   Section 15.02 Master Servicer to Act; Appointment of Successor........     177
</TABLE>


                                        v

<PAGE>

<TABLE>
<S>                                                                            <C>
ARTICLE XVI Compliance With Regulation AB................................     178
   Section 16.01 Intent of the Parties; Reasonableness...................     178
   Section 16.02 [Reserved]..............................................     178
   Section 16.03 Information to Be Provided by the Servicer..............     178
   Section 16.04 Servicer Compliance Statement...........................     179
   Section 16.05 Report on Assessment of Compliance and Attestation......     180
   Section 16.06 Use of Subservicers and Subcontractors..................     181
   Section 16.07 Indemnification; Remedies...............................     182
</TABLE>


                                       vi

<PAGE>

EXHIBITS

Exhibit A-1 - Form of Senior Certificates and Class M Certificates
Exhibit A-2 - Form of Class B Certificates
Exhibit A-3 - Form of Class R Certificate
Exhibit A-4 - Form of Class P Certificate
Exhibit A-5 - Form of Class C Certificate
Exhibit B    - Mortgage Loan Schedule
Exhibit C    - [Reserved]
Exhibit D    - Request for Release of Documents
Exhibit E-1 - Form of Transferee's Letter
Exhibit E-2 - Form of Transferor Certificate
Exhibit F-1 - Form of Transferor Representation Letter
Exhibit F-2 - Form of Investor Representation Letter
Exhibit F-3 - Form of Rule 144A Letter
Exhibit G    - Form of Custodial Agreement
Exhibit H    - One-Month LIBOR Corridor Table
Exhibit I    - [Reserved]
Exhibit J    - Mortgage Loan Purchase Agreement
Exhibit K    - Servicing Criteria To Be Addressed in Assessment of Compliance
Exhibit L    - Form of Sarbanes-Oxley Certification
Exhibit M    - Form of Back-up Sarbanes-Oxley Certification
Exhibit N    - Form of Corridor Contract
Exhibit O    - Additional Disclosure Notification
Exhibit P    - Form of Item 1123 Certification of Servicer
Exhibit Q-1 - Additional Form 10-D Disclosure
Exhibit Q-2 - Additional Form 10-K Disclosure
Exhibit Q-3 - Form 8-K Disclosure Information
Exhibit R    - Form of Swap Agreement
Exhibit S    - [Reserved]


                                        vii

<PAGE>

     This Pooling and Servicing Agreement, dated as of March 1, 2007 (this
"Agreement" or this "Pooling and Servicing Agreement"), among MERRILL LYNCH
MORTGAGE INVESTORS, INC., as depositor (the "Depositor"), WELLS FARGO BANK,
N.A., as master servicer (in such capacity, the "Master Servicer") and as
securities administrator (in such capacity, the "Securities Administrator"),
WILSHIRE CREDIT CORPORATION, as a servicer (a "Servicer" and the "Company"), and
HSBC BANK USA, NATIONAL ASSOCIATION, as trustee (the "Trustee").

                              PRELIMINARY STATEMENT

     The Depositor has acquired the Mortgage Loans from the Sponsor and at the
Closing Date is the owner of the Mortgage Loans and the other related property
being conveyed by the Depositor to the Trustee hereunder on behalf of the
Issuing Entity for inclusion in the Trust Fund. On the Closing Date, the
Depositor will acquire the Certificates from the Trustee as consideration for
the Depositor's transfer to the Issuing Entity of the Mortgage Loans and the
other related property constituting that portion of the Trust Fund relating to
the Certificates. The Depositor has duly authorized the execution and delivery
of this Agreement to provide for the conveyance to the Issuing Entity of the
Mortgage Loans and the other related property constituting that portion of the
Trust Fund relating to the Certificates. All covenants and agreements made by
the Sponsor in the Mortgage Loan Purchase Agreement and in this Agreement and
all covenants and agreements made by the Depositor, the Trustee, the Securities
Administrator, the Company and the Master Servicer herein with respect to the
Mortgage Loans and the other related property constituting that portion of the
Trust Fund relating to the Certificates are for the benefit of the Holders from
time to time of the Certificates. The Depositor, the Trustee, the Securities
Administrator, the Company and the Master Servicer are entering into this
Agreement, and the Trustee on behalf of the Issuing Entity is accepting the
Trust Fund created hereby, for good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged.

     As provided herein, the Securities Administrator shall elect that the Trust
Fund be treated for federal income tax purposes as consisting of (i) three real
estate mortgage investment conduits, (ii) the right to receive payments
distributable to the Class P Certificates, (iii) the Corridor Contract and the
Corridor Contract Account, (iv) the grantor trusts described in Section 9.12
hereof and (v) the Supplemental Interest Trust, which in turn will hold the Swap
Agreement. The SWAP REMIC will consist of all of the assets constituting the
Trust Fund (other than the assets described in clauses (ii), (iii), (iv) and (v)
above, other than the SWAP REMIC Regular Interests and other than the Lower Tier
REMIC Regular Interests) and will be evidenced by the SWAP REMIC Regular
Interests (which will be uncertificated and will represent the "regular
interests" in the SWAP REMIC) and the Class SWR Interest as the single "residual
interest" in the SWAP REMIC. The Lower Tier REMIC will consist of SWAP REMIC
Regular Interests and will be evidenced by the Lower Tier REMIC Regular
Interests (which will be uncertificated and will represent the "regular
interests" in the Lower Tier REMIC) and the Class LTR Interest as the single
"residual interest" in the Lower Tier REMIC. The Trustee will hold the Lower
Tier REMIC Regular Interests. The Upper Tier REMIC will consist of the Lower
Tier REMIC Regular Interests and will be evidenced by the REMIC Regular
Interests (which will represent the "regular interests" in the Upper Tier REMIC)
and the Residual Interest as the single "residual interest" in the Upper Tier
REMIC. The Class R Certificate will represent beneficial ownership of the Class
SWR Interest, the Class LTR Interest and the

<PAGE>

Residual Interest. The "latest possible maturity date" for federal income tax
purposes of all interests created hereby will be the Latest Possible Maturity
Date.

     THE SWAP REMIC

     The following table sets forth the designations, initial principal balances
and interest rates for each interest in the SWAP REMIC:

<TABLE>
<CAPTION>
Class     Initial Principal Balance    Interest Rate
------    -------------------------    -------------
<S>       <C>                          <C>
SW-Z           $58,332,340.860              (1)
SW-1A          $ 4,566,181.500              (2)
SW-1B          $ 4,566,181.500              (3)
SW-2A          $ 4,449,701.500               (2)
SW-2B          $ 4,449,701.500              (3)
SW-3A          $ 3,915,666.000              (2)
SW-3B          $ 3,915,666.000              (3)
SW-4A          $ 9,590,183.500              (2)
SW-4B          $ 9,590,183.500              (3)
SW-5A           $10,304,546.000              (2)
SW-5B          $10,304,546.000              (3)
SW-6A          $ 9,821,256.500              (2)
SW-6B          $ 9,821,256.500              (3)
SW-7A          $ 9,739,545.000              (2)
SW-7B          $ 9,739,545.000               (3)
SW-8A          $ 9,276,560.000              (2)
SW-8B          $ 9,276,560.000              (3)
SW-9A          $ 8,515,265.000              (2)
SW-9B          $ 8,515,265.000              (3)
SW-10A         $ 7,807,503.000              (2)
SW-10B         $ 7,807,503.000              (3)
SW-11A         $ 6,403,554.000              (2)
SW-11B         $ 6,403,554.000              (3)
SW-12A         $ 5,939,173.500              (2)
SW-12B         $ 5,939,173.500              (3)
SW-13A         $ 5,146,265.500              (2)
SW-13B         $ 5,146,265.500              (3)
SW-14A         $ 4,694,384.500              (2)
SW-14B         $ 4,694,384.500              (3)
SW-15A         $ 3,823,878.000              (2)
SW-15B         $ 3,823,878.000              (3)
SW-16A         $ 3,664,582.000              (2)
SW-16B         $ 3,664,582.000              (3)
SW-17A         $ 4,319,084.500              (2)
SW-17B         $ 4,319,084.500              (3)
SW-18A         $ 4,292,708.500              (2)
</TABLE>


                                       -2-

<PAGE>

<TABLE>
<S>       <C>                          <C>
SW-18B         $ 4,292,708.500              (3)
SW-19A         $ 4,269,984.000              (2)
SW-19B         $ 4,269,984.000              (3)
SW-20A         $ 4,361,661.500              (2)
SW-20B          $ 4,361,661.500              (3)
SW-21A         $ 4,178,017.000              (2)
SW-21B         $ 4,178,017.000              (3)
SW-22A         $ 3,877,524.000              (2)
SW-22B         $ 3,877,524.000              (3)
SW-23A         $ 3,387,625.000               (2)
SW-23B         $ 3,387,625.000              (3)
SW-24A         $ 3,274,633.500              (2)
SW-24B         $ 3,274,633.500              (3)
SW-25A         $ 3,011,330.000              (2)
SW-25B         $ 3,011,330.000              (3)
SW-26A         $ 2,973,627.000              (2)
SW-26B         $ 2,973,627.000              (3)
SW-27A         $ 2,834,251.500              (2)
SW-27B         $ 2,834,251.500              (3)
SW-28A         $ 7,181,402.000              (2)
SW-28B         $ 7,181,402.000              (3)
SW-29A         $ 8,761,772.000              (2)
SW-29B         $ 8,761,772.000              (3)
SW-30A         $ 5,385,917.500              (2)
SW-30B         $ 5,385,917.500              (3)
SW-31A         $ 2,395,490.500              (2)
SW-31B         $ 2,395,490.500              (3)
SW-32A         $ 2,813,250.500              (2)
SW-32B         $ 2,813,250.500              (3)
SW-33A         $ 2,703,228.000              (2)
SW-33B         $ 2,703,228.000              (3)
SW-34A         $ 2,622,339.000              (2)
SW-34B         $ 2,622,339.000              (3)
SW-35A         $ 2,290,389.000              (2)
SW-35B         $ 2,290,389.000              (3)
SW-36A         $ 2,359,552.000              (2)
SW-36B         $ 2,359,552.000              (3)
SW-37A         $ 2,174,401.500              (2)
SW-37B         $ 2,174,401.500              (3)
SW-38A         $ 2,118,726.000              (2)
SW-38B         $ 2,118,726.000              (3)
SW-39A         $ 1,933,236.500              (2)
SW-39B         $ 1,933,236.500              (3)
SW-40A          $ 2,145,706.000              (2)
SW-40B         $ 2,145,706.000              (3)
</TABLE>


                                       -3-

<PAGE>

<TABLE>
<S>       <C>                          <C>
SW-41A         $ 4,851,614.000              (2)
SW-41B         $ 4,851,614.000              (3)
SW-42A         $ 4,556,975.500              (2)
SW-42B         $ 4,556,975.500              (3)
SW-43A         $ 4,505,558.500              (2)
SW-43B         $ 4,505,558.500              (3)
SW-44A         $ 4,481,082.000               (2)
SW-44B         $ 4,481,082.000              (3)
SW-45A         $ 4,196,364.500              (2)
SW-45B         $ 4,196,364.500              (3)
SW-46A         $ 4,084,147.500              (2)
SW-46B         $ 4,084,147.500              (3)
SW-47A         $ 3,775,036.000              (2)
SW-47B         $ 3,775,036.000              (3)
SW-48A         $ 6,225,259.500              (2)
SW-48B         $ 6,225,259.500              (3)
SW-49A         $ 5,852,301.000              (2)
SW-49B         $ 5,852,301.000              (3)
SW-50A         $ 5,668,319.500              (2)
SW-50B         $ 5,668,319.500              (3)
SW-51A         $ 5,046,854.500              (2)
SW-51B         $ 5,046,854.500              (3)
SW-52A         $ 4,324,304.000              (2)
SW-52B         $ 4,324,304.000              (3)
SW-53A         $ 3,864,447.500              (2)
SW-53B         $ 3,864,447.500              (3)
SW-54A         $22,017,459.000              (2)
SW-54B         $22,017,459.000              (3)
SWR                         (4)             (4)
</TABLE>

(1)   The interest rate on the Class SW-Z Interest shall be a per annum rate
     equal to the Net WAC.

(2)   For any Distribution Date, the interest rate on each SWAP REMIC Regular
     Interest ending with the designation "A" shall be a per annum rate equal to
     2 times the Net WAC, subject to a maximum rate of 2 times the REMIC Swap
     Rate for such Distribution Date.

(3)   For any Distribution Date, the interest rate on each SWAP REMIC Regular
     Interest ending with the designation "B" shall be a per annum rate equal to
     the greater of (x) the excess, if any, of (i) 2 times the Net WAC over (ii)
     2 times the REMIC Swap Rate for such Distribution Date and (y) 0.00%.

(4)   The Class SWR Interest shall have no principal amount and shall bear no
     interest.


                                       -4-

<PAGE>

THE LOWER TIER REMIC

The following table sets forth the designations, initial principal balances,
interest rates and Classes of Corresponding Certificates for each interest in
the Lower Tier REMIC:

<TABLE>
<CAPTION>
                                             Class(es) of
             Initial                         Corresponding
Class    Principal Balance    Interest Rate     Certificates
-----    -----------------    -------------    -------------
<S>      <C>                  <C>              <C>
LTA-1           (1)                (3)            A-1, R
LTA-2           (1)                (3)              A-2
LTA-3           (1)                (3)              A-3
LTM-1           (1)                (3)              M-1
LTM-2           (1)                (3)              M-2
LTM-3           (1)                (3)              M-3
LTM-4           (1)                (3)              M-4
LTM-5           (1)                (3)              M-5
LTM-6           (1)                 (3)              M-6
LTB-1           (1)                (3)              B-1
LTB-2           (1)                (3)              B-2
LTB-3           (1)                (3)              B-3
LTX             (2)                (3)              N/A
LT-IO           (4)                (4)              N/A
LTR             (5)                (5)              N/A
</TABLE>

(1)   The initial principal balance of each of these Lower Tier REMIC Regular
     Interests shall equal 1/2 of the initial Class Certificate Balance of its
     Corresponding Certificates.

(2)   The initial principal balance of the Class LTX Interest shall equal the
     excess of (i) the aggregate Cut-off Date Principal Balance of the Mortgage
     Loans over (ii) the initial principal balance of the Lower Tier REMIC
     Marker Interests.

(3)   For each Distribution Date, the interest rate for each of the Lower Tier
     REMIC Regular Interests (other than the Class LT-IO Interest) shall be a
     per annum rate (but not less than zero) equal to the product of (i) the
     weighted average of the interest rates on the SWAP REMIC Regular Interests
     for such Distribution Date and (ii) a fraction the numerator of which is 30
     and the denominator of which is the actual number of days in the Accrual
     Period for the LIBOR Certificates, provided however, that for any
     Distribution Date on which the Class LT-IO Interest is entitled to a
     portion of interest accruals on a SWAP REMIC Regular Interest ending with a
     designation "A" as described in footnote 4 below, such weighted average
     shall be computed by first subjecting the rate on such SWAP REMIC Regular
     Interest to a cap equal to Swap LIBOR for such Distribution Date.

(4)   The Class LT-IO Interest is an interest-only class that does not have a
     principal balance. For only those Distribution Dates listed in the first
     column of the table below, the Class LT-IO Interest shall be entitled to
     interest accrued on the SWAP REMIC Regular Interest listed in the second
     column below at a per annum rate equal to the excess, if any, of (i) the
     interest rate for such SWAP REMIC Regular Interest for such Distribution
     Date over (ii) Swap LIBOR for such Distribution Date.


                                       -5-

<PAGE>

<TABLE>
<CAPTION>
Distribution Date    SWAP REMIC Regular Interest
-----------------    ---------------------------
<S>                  <C>
       7                     Class SW-1A
       7-8                   Class SW-2A
       7-9                   Class SW-3A
       7-10                  Class SW-4A
       7-11                  Class SW-5A
       7-12                  Class SW-6A
       7-13                  Class SW-7A
       7-14                  Class SW-8A
       7-15                  Class SW-9A
       7-16                  Class SW-10A
       7-17                  Class SW-11A
       7-18                  Class SW-12A
       7-19                  Class SW-13A
       7-20                  Class SW-14A
       7-21                  Class SW-15A
       7-22                   Class SW-16A
       7-23                  Class SW-17A
       7-24                  Class SW-18A
       7-25                  Class SW-19A
       7-26                  Class SW-20A
       7-27                  Class SW-21A
       7-28                  Class SW-22A
       7-29                  Class SW-23A
       7-30                  Class SW-24A
       7-31                  Class SW-25A
       7-32                  Class SW-26A
       7-33                  Class SW-27A
       7-34                  Class SW-28A
       7-35                  Class SW-29A
       7-36                  Class SW-30A
       7-37                  Class SW-31A
       7-38                  Class SW-32A
       7-39                  Class SW-33A
       7-40                  Class SW-34A
       7-41                  Class SW-35A
       7-42                  Class SW-36A
       7-43                  Class SW-37A
       7-44                  Class SW-38A
       7-45                  Class SW-39A
       7-46                  Class SW-40A
       7-47                   Class SW-41A
       7-48                  Class SW-42A
       7-49                  Class SW-43A
       7-50                  Class SW-44A
       7-51                  Class SW-45A
       7-52                  Class SW-46A
       7-53                  Class SW-47A
       7-54                  Class SW-48A
       7-55                  Class SW-49A
       7-56                  Class SW-50A
       7-57                  Class SW-51A
       7-58                  Class SW-52A
       7-59                  Class SW-53A
       7-60                  Class SW-54A
</TABLE>

(5)   The Class LTR Interest shall have no principal amount and shall bear no
     interest.


                                       -6-

<PAGE>

UPPER TIER REMIC

The following table sets forth the designation, the initial principal balances,
the interest rates and Classes of Related Certificates for each of the interests
in the Upper Tier REMIC.

<TABLE>
<CAPTION>
                                  Initial    Principal    Class of Related
Class                               Balance       Rate        Certificates
-----                              -------    ---------    ----------------
<S>                                <C>        <C>          <C>
UTA-1                                (1)         (2)              A-1
UTA-2                                (1)         (2)              A-2
UTA-3                                (1)         (2)              A-3
UTM-1                                (1)         (2)              M-1
UTM-2                                (1)         (2)               M-2
UTM-3                                (1)         (2)              M-3
UTM-4                                (1)         (2)              M-4
UTM-5                                (1)         (2)              M-5
UTM-6                                (1)          (2)              M-6
UTB-1                                (1)         (2)              B-1
UTB-2                                (1)         (2)              B-2
UTB-3                                (1)         (2)              B-3
Uncertificated Class C Interest       (3)         (3)              N/A
UT-IO                                (4)         (4)              N/A
Residual Interest                    (1)         (2)              R
</TABLE>

(1)   The initial principal balance of each of these REMIC Regular Interests and
     the Residual Interest shall equal the initial principal balance of its
     Class of Related Certificates.

(2)   The interest rates on each of these REMIC Regular Interests and the
     Residual Interest shall be an annual rate equal to the Certificate Rate for
     the Class of Related Certificates, provided that in lieu of the applicable
     Available Funds Cap set forth in the definition of an applicable
     Certificate Rate, the applicable Upper Tier REMIC Net WAC Cap shall be
     used.

(3)   The Uncertificated Class C Interest shall have an initial principal balance
     equal to the initial Overcollateralization Amount. The Uncertificated Class
     C Interest shall accrue interest on a notional balance set forth in the
     definition of Class C Current Interest at a rate equal to the Class C
     Distributable Interest Rate. The Uncertificated Class C Interest shall be
     represented by the Class C Certificates.

(4)   The Class UT-IO Interest shall have no principal amount and will not have
     an interest rate, but will be entitled to 100% of the interest accrued with
     respect to the Class LT-IO Interest. The Class UT-IO Interest shall be
     represented by the Class C Certificates.

THE CERTIFICATES

     The following table sets forth (or describes) the Class designation,
initial Class Certificate Balance or initial notional amount, integral dollar
multiples in excess thereof (except that one Certificate of each Class may be
issued in a different amount which must be in excess of the applicable minimum
dollar denomination) and minimum denomination for each Class of Certificates
comprising interests in the Trust Fund created hereunder.


                                       -7-

<PAGE>

<TABLE>
<CAPTION>
   Class       Initial Class Certificate Balance    Integral Multiples in     Minimum Denominations
Designation        or Initial Notional Amount         Excess of Minimum      or Percentage Interest
-----------    ---------------------------------    ---------------------    ----------------------
<S>            <C>                                  <C>                      <C>
Class A-1              $345,100,000                          $1.00                 $25,000.00
Class A-2              $143,792,000                          $1.00                 $25,000.00
Class A-3              $ 86,275,000                          $1.00                 $25,000.00
Class R                $         100                            N/A                 $       100
Class M-1              $   8,260,000                          $1.00                 $25,000.00
Class M-2              $   5,200,000                          $1.00                 $25,000.00
Class M-3              $   4,589,000                          $1.00                 $25,000.00
Class M-4              $   3,365,000                           $1.00                 $25,000.00
Class M-5              $   2,447,000                          $1.00                 $25,000.00
Class M-6              $   2,141,000                          $1.00                 $25,000.00
Class B-1              $   2,141,000                          $1.00                 $25,000.00
Class B-2              $   2,141,000                          $1.00                 $25,000.00
Class B-3              $   2,141,000                          $1.00                 $25,000.00
Class P                              (1)                          1%                        10%
Class C                             (2)                          1%                        10%
</TABLE>

----------
(1)   The Class P Certificates shall not have minimum dollar denominations or
     Class Certificate Balance and shall be issued in a minimum percentage
     interest of 10% and an aggregate percentage interest of 100%. The Class P
     Certificates will be entitled to receive Prepayment Charges on the
     Prepayment Charge Mortgage Loans.

(2)   The Class C Certificates shall not have minimum dollar denominations as the
     Class Certificate Balance thereof shall vary over time as described herein
     and shall be issued in a minimum percentage interest of 10% and an
      aggregate percentage interest of 100%.

     As of the Cut-off Date, the Mortgage Loans had an aggregate Stated
Principal Balance of $611,879,991.86.

     In consideration of the mutual agreements herein contained, the Depositor,
the Trustee, the Company, the Securities Administrator and the Master Servicer
hereby agree as follows:


                                       -8-

<PAGE>

                                    ARTICLE I
                                   DEFINITIONS

     Whenever used in this Agreement, the following words and phrases, unless
otherwise expressly provided or unless the context otherwise requires, shall
have the meanings specified in this Article.

     Accepted Master Servicing Practices: With respect to any Mortgage Loan, as
applicable, either (i) those customary mortgage master servicing practices of
prudent mortgage servicing institutions that master service mortgage loans of
the same type and quality as such Mortgage Loan in the jurisdiction where the
related Mortgaged Property is located, to the extent applicable to the Trustee
or the Master Servicer (except in its capacity as successor to a Servicer), or
(ii) as provided herein, but in no event below the standard set forth in clause
(i).

     Accepted Servicing Practices: The Company's normal servicing practices,
which will conform to the mortgage servicing practices of prudent mortgage
lending institutions that service for their own account mortgage loans of the
same type as the Mortgage Loans in the jurisdictions in which the related
Mortgaged Properties are located.

     Account: The Master Servicer Collection Account, Distribution Account and
any Protected Account as the context may require.

     Accountant's Attestation: A report from a nationally or regionally
recognized firm of independent registered public accountants which is a member
of the American Institute of Certified Public Accountants to the effect that (i)
it has obtained a representation regarding certain matters from the management
of the Company, which includes an assertion as to whether the Company has
complied with the relevant Servicing Criteria, and (ii) on the basis of an
examination conducted by such firm in accordance with standards for attestation
engagements issued or adopted by the PCAOB, it is expressing an opinion as to
whether the Company's compliance with the relevant Servicing Criteria was fairly
stated in all material respects, or it cannot express an overall opinion
regarding the Company's assessment of compliance with the Relevant Servicing
Criteria.

     Accrual Period: With respect to the Certificates, their Corresponding REMIC
Regular Interests and the Lower Tier REMIC Interests and a Distribution Date,
the period from and including the preceding Distribution Date (or from the
Closing Date in the case of the first Distribution Date) to and including the
day prior to such Distribution Date and with respect to the SWAP REMIC Regular
Interests and any Distribution Date, the calendar month immediately preceding
the month in which such Distribution Date occurs. All calculations of interest
with respect to the Certificates, their Corresponding REMIC Regular Interests
and the Lower Tier REMIC Interests will be made on the basis of the actual
number of days elapsed in the related Accrual Period and a 360 day year and all
calculations of interest on the SWAP REMIC Regular Interests will be made on the
basis of a 360-day year consisting of twelve 30-day months.

     Additional Disclosure Notification: As defined in Section 3.18(b).

     Additional Form 10-D Disclosure: As defined in Section 3.18(e).


                                       -9-

<PAGE>

     Additional Form 10-K Disclosure: As defined in Section 3.18(h).

     Adjustment Date: With respect to a Mortgage Loan, generally the first day
of the month or months specified in the related mortgage note.

     Advance: The aggregate of the advances required to be made by a Servicer
with respect to any Distribution Date pursuant to Section 13.22 or the Master
Servicer pursuant to Section 6.04, the amount of any such advances being equal
to the sum of the aggregate amount of all payments of principal and interest
(or, with respect to the interest-only Mortgage Loans, payments of scheduled
interest) (net of the Servicing Fee) on the related Mortgage Loans that were due
during the applicable Due Period and not received as of the close of business on
the related Determination Date (based on the Minimum Payment for such Mortgage
Loan), except as provided in Section 13.22 or Section 6.04 hereof, less the
aggregate amount of any such Delinquent payments that a Servicer has determined
would constitute a Non-Recoverable Advance were an advance to be made with
respect thereto; provided, however, that with respect to (i) any Mortgage Loan
that is 150 days delinquent or more (whether or not the Mortgage Loan has been
converted to an REO Property), (ii) shortfalls in principal and interest due to
bankruptcy proceedings or the application of the Relief Act or similar laws and
(iii) the principal portion of any amount paid on a Balloon Loan, there will be
no obligation to make advances and, provided further, however, that with respect
to any Mortgage Loan that has been converted to an REO Property which is less
than 150 days delinquent, the obligation to make Advances shall only be to
payments of interest (subject to the exceptions described above and net of the
Servicing Fees), to be calculated after taking into account rental income.

     Advance Financing Person: A Person to whom the Company's rights under this
Agreement to be reimbursed for any Advances or Servicing Advances have been
assigned pursuant to Section 13.08(ii).

     Adverse REMIC Event: As defined in Section 9.12(g).

     Affiliate: As to any Person, any other Person controlling, controlled by or
under common control with such Person. "Control" means the power to direct the
management and policies of a Person, directly or indirectly, whether through
ownership of voting securities, by contract or otherwise. "Controlled" and
"Controlling" have meanings correlative to the foregoing. The Master Servicer
may conclusively presume that a Person is not an Affiliate of another Person
unless a Responsible Officer of the Master Servicer has actual knowledge to the
contrary.

     Agreement: This Pooling and Servicing Agreement, dated as of March 1, 2007,
by and among the Depositor, the Master Servicer, the Securities Administrator,
the Company and the Trustee, including the exhibits hereto, and all amendments
hereof and supplements hereto.

     Annual Statement of Compliance: The statement of compliance as required by
Section 16.04 hereto.

     Applicable Credit Rating: For any long-term deposit or security, a credit
rating of "AAA" in the case of S&P or "Aaa" in the case of Moody's. For any
short-term deposit or security, a rating of "A-l+" in the case of S&P or "P-1"
in the case of Moody's.


                                      -10-

<PAGE>

     Applicable Servicing Agreement: With respect to (i) IndyMac Bank, F.S.B.,
the Master Seller's Warranties and Servicing Agreement dated as of May 1, 2006
between MLML and IndyMac Bank, F.S.B. as amended by that Assignment, Assumption
and Recognition Agreement dated as of March 1, 2007 among MLML, MLMI, the Master
Servicer and IndyMac Bank, F.S.B., (ii) Countrywide Home Loans, Inc., the Master
Mortgage Loan Purchase and Servicing Agreement dated as of February 1, 2007
between MLML and Countrywide Home Loans, Inc. as amended by that Assignment,
Assumption and Recognition Agreement dated as of March 1, 2007 among MLML, MLMI,
the Master Servicer and Countrywide Home Loans, Inc. and (iii) the Company, this
Agreement.

     Applied Realized Loss Amount: With respect to any class of Subordinate
Certificates and as to any Distribution Date, the sum of the Realized Losses
with respect to the Mortgage Loans which have been applied in reduction of the
Class Certificate Balance of such class.

     Appraised Value: For any Mortgaged Property related to a Mortgage Loan, the
amount set forth as the appraised value of such Mortgaged Property in an
appraisal made for the mortgage originator in connection with its origination of
the related Mortgage Loan.

     Assessment of Compliance: An officer's assessment of its compliance with
the Relevant Servicing Criteria during the preceding calendar year as required
by Rules 13a-18 and 15d-18 of the Exchange Act and Item 1122 of Regulation AB.

     Assignment: An assignment of the Mortgage, notice of transfer or equivalent
instrument, in recordable form, sufficient under the laws of the jurisdiction
wherein the related Mortgaged Property is located to reflect of record the sale
of the Mortgage Loan to the Trustee for the benefit of Certificateholders, which
assignment, notice of transfer or equivalent instrument may be in the form of
one or more blanket assignments covering Mortgages secured by Mortgaged
Properties located in the same county, if permitted by law and accompanied by an
Opinion of Counsel to that effect.

     Auction: The one-time auction conducted by the Securities Administrator, as
described in Section 10.01(b) hereof.

     Available Funds Cap: With respect to a Distribution Date, the per annum
rate equal to the product of (i) 12, (ii) the quotient of (x) the total
scheduled interest on the Mortgage Loans based on the Net Mortgage Rates in
effect on the related Due Date, less any Net Swap Payments or Swap Termination
Payments (other than Defaulted Swap Termination Payments) owed to the Swap
Counterparty for such Distribution Date and (y) the aggregate Stated Principal
Balance of the Mortgage Loans as of the first day of the related Accrual Period
(or, in the case of the first Distribution Date, as of the Cut-off Date) and
(iii) a fraction, the numerator of which is 30, and the denominator of which is
the actual number of days in the related Accrual Period.

     Back-Up Certification: As defined in Section 3.18(k).

     Balloon Loan: A Mortgage Loan having an original term to stated maturity of
approximately 15 or 30 years which provides for level monthly payments of
principal and interest based on a 30-, 40- or 50-year amortization schedule,
with a balloon payment of the remaining outstanding principal balance due on
such Mortgage Loan at its stated maturity.


                                      -11-

<PAGE>

     Bankruptcy Code: The United States Bankruptcy Code, as amended as codified
in 11 U.S.C. Sections 101-1330.

     Book-Entry Certificates: Any of the Certificates that shall be registered
in the name of the Depository or its nominee, the ownership of which is
reflected on the books of the Depository or on the books of a Person maintaining
an account with the Depository (directly, as a Depository Participant, or
indirectly, as an indirect participant in accordance with the rules of the
Depository and as described in Section 5.02 hereof). On the Closing Date, the
Certificates (other than the Class R Certificate) shall be Book-Entry
Certificates.

     Business Day: Any day other than (i) a Saturday or a Sunday, or (ii) a day
on which the New York Stock Exchange or Federal Reserve is closed or on which
banking institutions in the jurisdiction in which the Trustee, the Master
Servicer, the Servicers or the Securities Administrator are authorized or
obligated by law or executive order to be closed.

     Cap Contract Counterparty: The Royal Bank of Scotland plc with whom the
Supplemental Interest Trust Trustee, on behalf of the Supplemental Interest
Trust, entered into the Corridor Contract.

     Certificate: Any mortgage pass-through certificate issued pursuant to this
Agreement evidencing a beneficial ownership interest in that portion of the
Trust Fund related to the Mortgage Loans, signed and countersigned by the
Securities Administrator.

     Certificate Margin: Any of the Class A-1 Certificate Margin, the Class A-2
Certificate Margin, the Class A-3 Certificate Margin, the Class M-1 Certificate
Margin, the Class M-2 Certificate Margin, the Class M-3 Certificate Margin, the
Class M-4 Certificate Margin, the Class M-5 Certificate Margin, the Class M-6
Certificate Margin, the Class B-1 Certificate Margin, the Class B-2 Certificate
Margin, the Class B-3 Certificate Margin or the Class R Certificate Margin.

     Certificate Owner: With respect to each Book-Entry Certificate, any
beneficial owner thereof.

     Certificate Rate: With respect to any class of the LIBOR Certificates on
any Distribution Date, the lesser of (1) One-Month LIBOR plus the related
Certificate Margin for such class of Certificates, (2) the Available Funds Cap
and (3) the Maximum Rate Cap.

     Certificate Register: The register maintained pursuant to Section 5.02
hereof.

     Certificateholder or Holder: The Person in whose name a Regular Certificate
is registered in the Certificate Register, except that a Disqualified
Organization or non-U.S. Person shall not be a Holder of the Class R Certificate
for any purpose hereof.

     Certification Parties: As defined in Section 3.18(k).

     Certifying Person: As defined in Section 3.18(k).


                                      -12-

<PAGE>

     Class: Collectively, Certificates which have the same priority of payment
and bear the same class designation and the form of which is identical except
for variation in the Percentage Interest evidenced thereby.

     Class A-1 Certificate: Any Certificate designated as a "Class A-1
Certificate" on the face thereof substantially in the form annexed hereto as
Exhibit A-1, executed by the Securities Administrator and authenticated and
delivered by the Securities Administrator, representing the right to
distributions as set forth herein and therein.

     Class A-1 Certificate Rate: For the first Distribution Date, 5.5000% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class A-1 Margin, (2) the Available Funds Cap for such Distribution
Date and (3) the Maximum Rate Cap for such Distribution Date.

     Class A-1 Class Certificate Balance: As of any date of determination, the
aggregate Class Certificate Balance of the Class A-1 Certificates.

     Class A-1 Current Interest: As of any Distribution Date, the interest
accrued during the related Accrual Period at the Class A-1 Certificate Rate on
the Class A-1 Class Certificate Balance as of such Distribution Date plus the
portion of any previous distributions on such Class in respect of Current
Interest or a Class A-1 Interest Carry Forward Amount that is recovered as a
voidable preference by a trustee in bankruptcy, less any Prepayment Interest
Shortfalls allocated on such Distribution Date to the Class A-1 Certificates and
less any Deferred Interest allocated on such Distribution Date to the Class A-1
Certificates. For purposes of calculating interest, principal distributions on a
Distribution Date will be deemed to have been made on the first day of the
Accrual Period in which such Distribution Date occurs.

     Class A-1 Interest Carry Forward Amount: As of any Distribution Date, the
sum of (1) the excess of (A) the Class A-1 Current Interest with respect to
prior Distribution Dates over (B) the amount actually distributed to the Class
A-1 Certificates with respect to interest on such prior Distribution Dates and
(2) interest on such excess (to the extent permitted by applicable law) at the
Class A-1 Certificate Rate for the related Accrual Period. The Class A-1
Interest Carry Forward Amount shall not include any amounts attributable to an
allocation of Deferred Interest.

     Class A-1 Margin: As of any Distribution Date, (i) on or before the Initial
Optional Termination Date, 0.180% per annum, and (ii) after the Initial Optional
Termination Date, 0.360% per annum.

     Class A-2 Certificate: Any Certificate designated as a "Class A-2
Certificate" on the face thereof, in the form of Exhibit A-1 hereto,
representing the right to distributions as set forth herein.

     Class A-2 Certificate Rate: For the first Distribution Date, 5.5300% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class A-2 Margin, (2) the Available Funds Cap for such Distribution
Date and (3) the Maximum Rate Cap for such Distribution Date.


                                      -13-

<PAGE>

     Class A-2 Current Interest: As of any Distribution Date, the interest
accrued during the related Accrual Period at the Class A-2 Certificate Rate on
the Class A-2 Class Certificate Balance as of such Distribution Date plus the
portion of any previous distributions on such Class in respect of Current
Interest or a Class A-2 Interest Carry Forward Amount that is recovered as a
voidable preference by a trustee in bankruptcy, less any Prepayment Interest
Shortfalls allocated on such Distribution Date to the Class A-2 Certificates and
less any Deferred Interest allocated on such Distribution Date to the Class A-2
Certificates. For purposes of calculating interest, principal distributions on a
Distribution Date will be deemed to have been made on the first day of the
Accrual Period in which such Distribution Date occurs.

     Class A-2 Interest Carry Forward Amount: As of any Distribution Date, the
sum of (1) the excess of (A) the Class A-2 Current Interest with respect to
prior Distribution Dates over (B) the amount actually distributed to the Class
A-2 Certificates with respect to interest on such prior Distribution Dates and
(2) interest on such excess (to the extent permitted by applicable law) at the
Class A-2 Certificate Rate for the related Accrual Period. The Class A-2
Interest Carry Forward Amount shall not include any amounts attributable to an
allocation of Deferred Interest.

     Class A-2 Margin: As of any Distribution Date, (i) on or before the Initial
Optional Termination Date, 0.210% per annum, and (ii) after the Initial Optional
Termination Date, 0.420% per annum.

     Class A-3 Certificate: Any Certificate designated as a "Class A-3
Certificate" on the face thereof, in the form of Exhibit A-1 hereto,
representing the right to distributions as set forth herein.

     Class A-3 Certificate Rate: For the first Distribution Date, 5.5800% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class A-3 Margin, (2) the Available Funds Cap for such Distribution
Date and (3) the Maximum Rate Cap for such Distribution Date.

     Class A-3 Current Interest: As of any Distribution Date, the interest
accrued during the related Accrual Period at the Class A-3 Certificate Rate on
the Class A-3 Class Certificate Balance as of such Distribution Date plus the
portion of any previous distributions on such Class in respect of Current
Interest or a Class A-3 Interest Carry Forward Amount that is recovered as a
voidable preference by a trustee in bankruptcy, less any Prepayment Interest
Shortfalls allocated on such Distribution Date to the Class A-3 Certificates and
less any Deferred Interest allocated on such Distribution Date to the Class A-3
Certificates. For purposes of calculating interest, principal distributions on a
Distribution Date will be deemed to have been made on the first day of the
Accrual Period in which such Distribution Date occurs.

     Class A-3 Interest Carry Forward Amount: As of any Distribution Date, the
sum of (1) the excess of (A) the Class A-3 Current Interest with respect to
prior Distribution Dates over (B) the amount actually distributed to the Class
A-3 Certificates with respect to interest on such prior Distribution Dates and
(2) interest on such excess (to the extent permitted by applicable law) at the
Class A-3 Certificate Rate for the related Accrual Period. The Class A-3
Interest Carry Forward Amount shall not include any amounts attributable to an
allocation of Deferred Interest.


                                      -14-

<PAGE>

     Class A-3 Margin: As of any Distribution Date, (i) on or before the Initial
Optional Termination Date, 0.260% per annum, and (ii) after the Initial Optional
Termination Date, 0.520% per annum.

     Class B Certificate: Any one of the Class B-1, Class B-2 or Class B-3
Certificates as designated on the face thereof substantially in the form annexed
hereto as Exhibit A-2, executed by the Securities Administrator and
authenticated and delivered by the Securities Administrator, representing the
right to distributions as set forth herein and therein.

     Class B Certificateholder: Any Holder of a Class B Certificate.

     Class B-1 Certificate: Any Certificate designated as "Class B-1 Certificate
"on the face thereof in the form of Exhibit A-2 hereto, representing the right
to distributions as set forth herein.

     Class B-1 Certificate Rate: For the first Distribution Date, 6.3200% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class B-1 Margin, (2) the Available Funds Cap for such Distribution
Date and (3) the Maximum Rate Cap for such Distribution Date.

     Class B-1 Class Certificate Balance: As of any date of determination, the
aggregate Class Certificate Balance of the Class B-1 Certificates.

     Class B-1 Current Interest: As of any Distribution Date, the interest
accrued during the related Accrual Period at the Class B-1 Certificate Rate on
the Class B-1 Class Certificate Balance as of such Distribution Date plus the
portion of any previous distributions on such Class in respect of Current
Interest or Class B-1 Interest Carry Forward Amount that is recovered as a
voidable preference by a trustee in bankruptcy, less any Prepayment Interest
Shortfalls allocated on such Distribution Date to the Class B-1 Certificates and
less any Deferred Interest allocated on such Distribution Date to the Class B-1
Certificates. For purposes of calculating interest, principal distributions on a
Distribution Date will be deemed to have been made on the first day of the
Accrual Period in which such Distribution Date occurs.

     Class B-1 Interest Carry Forward Amount: As of any Distribution Date, the
sum of (1) the excess of (A) the Class B-1 Current Interest with respect to
prior Distribution Dates over (B) the amount actually distributed to the Class
B-1 Certificates with respect to interest on such prior Distribution Dates and
(2) interest on such excess (to the extent permitted by applicable law) at the
Class B-1 Certificate Rate for the related Accrual Period. The Class B-1
Interest Carry Forward Amount shall not include any amounts attributable to an
allocation of Deferred Interest.

     Class B-1 Margin: As of any Distribution Date, (i) on or before the Initial
Optional Termination Date, 1.000% per annum, and (ii) after the Initial Optional
Termination Date, 1.500% per annum.

     Class B-1 Principal Distribution Amount: With respect to any Distribution
Date on or after the Stepdown Date, 100% of the Principal Distribution Amount if
the aggregate Class Certificate Balance of the Senior Certificates and Class M
Certificates has been reduced to zero and a Stepdown Trigger Event exists, or,
as long as a Stepdown Trigger Event does not exist, the


                                       -15-

<PAGE>

excess of (1) the sum of (A) the Class Certificate Balance of the Senior
Certificates and the Class Certificate Balance of the Class M-1, Class M-2,
Class M-3, Class M-4, Class M-5 and Class M-6 Certificates (after taking into
account distributions of the related Principal Distribution Amount for such
Distribution Date and after the allocation of Deferred Interest, if any, for
each Distribution Date) and (B) the Class Certificate Balance of the Class B-1
Certificates immediately prior to such Distribution Date over (2) the lesser of
(A) (i) for any Distribution Date on or prior to March 2013, 96.500% of the
aggregate Stated Principal Balance of the Mortgage Loans as of such Distribution
Date and (ii) for any Distribution Date after March 2013, 97.200% of the
aggregate Stated Principal Balance of the Mortgage Loans as of such Distribution
Date and (B) the excess of the aggregate Stated Principal Balance of the
Mortgage Loans as of such Distribution Date over the Minimum Required
Overcollateralization Amount. Notwithstanding the above, (1) on any Distribution
Date prior to the Stepdown Date on which the aggregate Class Certificate Balance
of the Senior Certificates and Class M Certificates has been reduced to zero,
the Class B-1 Principal Distribution Amount will equal the lesser of (A) the
outstanding Class Certificate Balance of the Class B-1 Certificates and (B) 100%
of the Principal Distribution Amount remaining after any distributions on the
Senior Certificates and Class M Certificates and (2) in no event will the Class
B-1 Principal Distribution Amount with respect to any Distribution Date exceed
the Class Certificate Balance of the Class B-1 Certificates.

     Class B-2 Certificate: Any Certificate designated as "Class B-2 Certificate
"on the face thereof in the form of Exhibit A-2 hereto, representing the right
to distributions as set forth herein.

     Class B-2 Certificate Rate: For the first Distribution Date, 6.4200% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class B-2 Margin, (2) the Available Funds Cap for such Distribution
Date and (3) the Maximum Rate Cap for such Distribution Date.

     Class B-2 Class Certificate Balance: As of any date of determination, the
aggregate Class Certificate Balance of the Class B-2 Certificates.

     Class B-2 Current Interest: As of any Distribution Date, the interest
accrued during the related Accrual Period at the Class B-2 Certificate Rate on
the Class B-2 Class Certificate Balance as of such Distribution Date plus the
portion of any previous distributions on such Class in respect of Current
Interest or Class B-2 Interest Carry Forward Amount that is recovered as a
voidable preference by a trustee in bankruptcy, less any Prepayment Interest
Shortfalls allocated on such Distribution Date to the Class B-2 Certificates and
less any Deferred Interest allocated on such Distribution Date to the Class B-2
Certificates. For purposes of calculating interest, principal distributions on a
Distribution Date will be deemed to have been made on the first day of the
Accrual Period in which such Distribution Date occurs.

     Class B-2 Interest Carry Forward Amount: As of any Distribution Date, the
sum of (1) the excess of (A) the Class B-2 Current Interest with respect to
prior Distribution Dates over (B) the amount actually distributed to the Class
B-2 Certificates with respect to interest on such prior Distribution Dates and
(2) interest on such excess (to the extent permitted by applicable law) at the
Class B-2 Certificate Rate for the related Accrual Period. The Class B-2
Interest


                                      -16-

<PAGE>

Carry Forward Amount shall not include any amounts attributable to an allocation
of Deferred Interest.

     Class B-2 Margin: As of any Distribution Date, (i) on or before the Initial
Optional Termination Date, 1.100% per annum, and (ii) after the Initial Optional
Termination Date, 1.650% per annum.

     Class B-2 Principal Distribution Amount: With respect to any Distribution
Date on or after the Stepdown Date, 100% of the Principal Distribution Amount if
the aggregate Class Certificate Balance of the Class A, Class M and Class B-1
Certificates has been reduced to zero and a Stepdown Trigger Event exists, or,
as long as a Stepdown Trigger Event does not exist, the excess of (1) the sum of
(A) the Class Certificate Balance of the Senior Certificates and the Class
Certificate Balance of the Class M-1, Class M-2, Class M-3, Class M-4, Class
M-5, Class M-6 and Class B-1 Certificates (after taking into account
distributions of the related Principal Distribution Amount for such Distribution
Date and after the allocation of Deferred Interest, if any, for each
Distribution Date) and (B) the Class Certificate Balance of the Class B-2
Certificates immediately prior to such Distribution Date over (2) the lesser of
(A) (i) for any Distribution Date on or prior to March 2013, 97.375% of the
aggregate Stated Principal Balance of the Mortgage Loans as of such Distribution
Date and (ii) for any Distribution Date after March 2013, 97.900% of the
aggregate Stated Principal Balance of the Mortgage Loans as of such Distribution
Date and (B) the excess of the aggregate Stated Principal Balance of the
Mortgage Loans as of such Distribution Date over the Minimum Required
Overcollateralization Amount. Notwithstanding the above, (1) on any Distribution
Date prior to the Stepdown Date on which the aggregate Class Certificate Balance
of the Class A, Class M and Class B-1 Certificates has been reduced to zero, the
Class B-2 Principal Distribution Amount will equal the lesser of (A) the
outstanding Class Certificate Balance of the Class B-2 Certificates and (B) 100%
of the Principal Distribution Amount remaining after any distributions on the
Class A, Class M and Class B-1 Certificates and (2) in no event will the Class
B-2 Principal Distribution Amount with respect to any Distribution Date exceed
the Class Certificate Balance of the Class B-2 Certificates.

     Class B-3 Certificate: Any Certificate designated as "Class B-3 Certificate
"on the face thereof in the form of Exhibit A-2 hereto, representing the right
to distributions as set forth herein.

     Class B-3 Certificate Rate: For the first Distribution Date, 6.7200% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class B-3 Margin, (2) the Available Funds Cap for such Distribution
Date and (3) the Maximum Rate Cap for such Distribution Date.

     Class B-3 Class Certificate Balance: As of any date of determination, the
aggregate Class Certificate Balance of the Class B-3 Certificates.

     Class B-3 Current Interest: As of any Distribution Date, the interest
accrued during the related Accrual Period at the Class B-3 Certificate Rate on
the Class B-3 Class Certificate Balance as of such Distribution Date plus the
portion of any previous distributions on such Class in respect of Current
Interest or Class B-3 Interest Carry Forward Amount that is recovered as a
voidable preference by a trustee in bankruptcy, less any Prepayment Interest
Shortfalls allocated


                                      -17-

<PAGE>

on such Distribution Date to the Class B-3 Certificates and less any Deferred
Interest allocated on such Distribution Date to the Class B-3 Certificates. For
purposes of calculating interest, principal distributions on a Distribution Date
will be deemed to have been made on the first day of the Accrual Period in which
such Distribution Date occurs.

     Class B-3 Interest Carry Forward Amount: As of any Distribution Date, the
sum of (1) the excess of (A) the Class B-3 Current Interest with respect to
prior Distribution Dates over (B) the amount actually distributed to the Class
B-3 Certificates with respect to interest on such prior Distribution Dates and
(2) interest on such excess (to the extent permitted by applicable law) at the
Class B-3 Certificate Rate for the related Accrual Period. The Class B-3
Interest Carry Forward Amount shall not include any amounts attributable to an
allocation of Deferred Interest.

     Class B-3 Margin: As of any Distribution Date, (i) on or before the Initial
Optional Termination Date, 1.400% per annum, and (ii) after the Initial Optional
Termination Date, 2.100% per annum.

     Class B-3 Principal Distribution Amount: With respect to any Distribution
Date on or after the Stepdown Date, 100% of the Principal Distribution Amount if
the aggregate Class Certificate Balance of the Class A, Class M, Class B-1 and
Class B-2 Certificates has been reduced to zero and a Stepdown Trigger Event
exists, or, as long as a Stepdown Trigger Event does not exist, the excess of
(1) the sum of (A) the Class Certificate Balance of the Senior Certificates and
the Class Certificate Balance of the Class M-1, Class M-2, Class M-3, Class M-4,
Class M-5, Class M-6, Class B-1 and Class B-2 Certificates (after taking into
account distributions of the related Principal Distribution Amount for such
Distribution Date and after the allocation of Deferred Interest, if any, for
each Distribution Date) and (B) the Class Certificate Balance of the Class B-3
Certificates immediately prior to such Distribution Date over (2) the lesser of
(A) (i) for any Distribution Date on or prior to March 2013, 98.250% of the
aggregate Stated Principal Balance of the Mortgage Loans as of such Distribution
Date and (ii) for any Distribution Date after March 2013, 98.600% of the
aggregate Stated Principal Balance of the Mortgage Loans as of such Distribution
Date and (B) the excess of the aggregate Stated Principal Balance of the
Mortgage Loans as of such Distribution Date over the Minimum Required
Overcollateralization Amount. Notwithstanding the above, (1) on any Distribution
Date prior to the Stepdown Date on which the aggregate Class Certificate Balance
of the Class A, Class M, Class B-1 and Class B-2 Certificates has been reduced
to zero, the Class B-3 Principal Distribution Amount will equal the lesser of
(A) the outstanding Class Certificate Balance of the Class B-3 Certificates and
(B) 100% of the Principal Distribution Amount remaining after any distributions
on the Class A, Class M, Class B-1 and Class B-2 Certificates and (2) in no
event will the Class B-3 Principal Distribution Amount with respect to any
Distribution Date exceed the Class Certificate Balance of the Class B-3
Certificates.

     Class C Applied Realized Loss Amount: As of any Distribution Date, the sum
of all Realized Loss Amounts with respect to the Mortgage Loans which have been
applied to the reduction of the Class Certificate Balance of the Class C
Certificates.

     Class C Certificate: Any Certificate designated as a "Class C Certificate"
on the face thereof, in the form of Exhibit A-5 hereto, representing the right
to distributions as set forth herein.


                                       -18-

<PAGE>

     Class C Class Certificate Balance: As of any date of determination, the
aggregate Class Certificate Balance of the Class C Certificates.

     Class C Current Interest: As of any Distribution Date, the interest accrued
during the related Accrual Period at the Class C Distributable Interest Rate on
a notional amount equal to the aggregate principal balance of the Lower Tier
REMIC Regular Interests immediately prior to such Distribution Date, plus the
interest portion of any previous distributions on such Class that is recovered
as a voidable preference by a trustee in bankruptcy, less any Prepayment
Interest Shortfalls allocated on such Distribution Date to the Class C
Certificates and less any Deferred Interest allocated on such Distribution Date
to the Class C Certificates.

     Class C Distributable Interest Rate: The excess, if any, of (a) the
weighted average of the interest rates on the Lower Tier REMIC Regular Interests
(other than the Class LT-IO Interest) over (b) two times the weighted average of
the interest rates on the Lower Tier REMIC Regular Interests (other than the
Class LT-IO Interest) (treating for purposes of this clause (b) the interest
rate on each of the Lower Tier REMIC Marker Interests as being subject to a cap
equal to the interest rate of the Corresponding REMIC Regular Interest of the
Corresponding Certificates (as adjusted, if necessary, to reflect the length of
the Accrual Period for the LIBOR Certificates) and treating the Class LTX
Interest as being capped at zero). The averages described in the preceding
sentence shall be weighted on the basis of the respective principal balances of
the Lower Tier REMIC Regular Interests immediately prior to any date of
determination.

     Class C Interest Carry Forward Amount: As of any Distribution Date, the
excess of (A) the Class C Current Interest with respect to prior Distribution
Dates over (B) the amount actually distributed to the Class C Certificates with
respect to interest on such prior Distribution Dates or added to the aggregate
Class Certificate Balance of the Class C Certificates (other than amounts so
added attributable to Subsequent Recoveries or proceeds of the Swap Agreement).
The Class C Interest Carry Forward Amount shall not include any amounts
attributable to an allocation of Deferred Interest.

     Class C Unpaid Realized Loss Amount: As of any Distribution Date, the
excess of (1) the Class C Applied Realized Loss Amount over (2) the sum of (x)
all distributions in reduction of the Class C Unpaid Realized Loss Amounts on
all previous Distribution Dates and (y) all increases in the Class Certificate
Balance of such Class C Certificates (A) pursuant to the last sentence of the
definition of "Class Certificate Balance" or (B) attributable to distributions
of proceeds of the Swap Agreement.

     Class Certificate Balance: As to any Certificate and as of any Distribution
Date, the Initial Class Certificate Balance of such Certificate (a) less the sum
of (1) all amounts distributed with respect to such Certificate in reduction of
the Class Certificate Balance thereof on previous Distribution Dates pursuant to
Section 6.01, and (2) any Realized Loss Amounts allocated to such Certificate on
previous Distribution Dates pursuant to Section 6.01(j), and (b) plus any
Deferred Interest allocated to such Certificate on previous Distribution Dates.
On each Distribution Date, after all distributions of principal on such
Distribution Date, a portion of the Class C Interest Carry Forward Amount in an
amount equal to the excess of the Overcollateralization Amount on such
Distribution Date over the Overcollateralization Amount as of the preceding
Distribution Date (or, in the case of the first Distribution Date, the initial
Overcollateralization Amount (based on the Stated Principal Balance of the
Mortgage Loans as


                                      -19-

<PAGE>

of the Cut-Off Date)) will be added to the aggregate Class Certificate Balance
of the Class C Certificates (on a pro rata basis). Notwithstanding the
immediately preceding sentence, however, to the extent any excess referred to in
the immediately preceding sentence is attributable to distributions of proceeds
of the Swap Agreement, such sentence shall be applied by substituting "Class C
Unpaid Realized Loss Amount" for "Class C Interest Carry Forward Amount".
Notwithstanding the foregoing on any Distribution Date relating to a Due Period
in which a Subsequent Recovery has been received by the applicable Servicer, the
Class Certificate Balance of any Class of Certificates then outstanding for
which any Realized Loss Amount has been allocated will be increased, in order of
seniority, by an amount equal to the lesser of (i) the Unpaid Realized Loss
Amount for such Class of Certificates and (ii) the total of any Subsequent
Recovery distributed on such date to the Certificateholders (reduced by the
amount of the increase in the Class Certificate Balance of any more senior Class
of Certificates pursuant to this sentence on such Distribution Date).

     Class LT-IO Interest: An uncertificated regular interest in the Lower Tier
REMIC with the characteristics set forth in the description of the Lower Tier
REMIC in the Preliminary Statement.

     Class LTA-1 Interest: An uncertificated regular interest in the Lower Tier
REMIC with an initial principal balance equal to 1/2 of the initial principal
balance of its Corresponding Certificates and an interest rate equal to the Net
Rate.

     Class LTA-2 Interest: An uncertificated regular interest in the Lower Tier
REMIC with an initial principal balance equal to 1/2 of the initial principal
balance of its Corresponding Certificate and an interest rate equal to the Net
Rate.

     Class LTA-3 Interest: An uncertificated regular interest in the Lower Tier
REMIC with an initial principal balance equal to 1/2 of the initial principal
balance of its Corresponding Certificate and an interest rate equal to the Net
Rate.

     Class LTB-1 Interest: An uncertificated regular interest in the Lower Tier
REMIC with an initial principal balance equal to 1/2 of the initial principal
balance of its Corresponding Certificate and an interest rate equal to the Net
Rate.

     Class LTB-2 Interest: An uncertificated regular interest in the Lower Tier
REMIC with an initial principal balance equal to 1/2 of the initial principal
balance of its Corresponding Certificate and an interest rate equal to the Net
Rate.

     Class LTB-3 Interest: An uncertificated regular interest in the Lower Tier
REMIC with an initial principal balance equal to 1/2 of the initial principal
balance of its Corresponding Certificate and an interest rate equal to the Net
Rate.

     Class LTX Interest: An uncertificated regular interest in the Lower Tier
REMIC with an initial principal balance equal to the excess of (i) the aggregate
Stated Principal Balance of the Mortgage Loans as of the Cut-off Date over (ii)
the aggregate initial principal balance of the Lower Tier REMIC Marker
Interests, and with an interest rate equal to the Net Rate.


                                       -20-

<PAGE>

     Class LTM-1 Interest: An uncertificated regular interest in the Lower Tier
REMIC with an initial principal balance equal to 1/2 of the initial principal
balance of its Corresponding Certificate and an interest rate equal to the Net
Rate.

     Class LTM-2 Interest: An uncertificated regular interest in the Lower Tier
REMIC with an initial principal balance equal to 1/2 of the initial principal
balance of its Corresponding Certificate and an interest rate equal to the Net
Rate.

     Class LTM-3 Interest: An uncertificated regular interest in the Lower Tier
REMIC with an initial principal balance equal to 1/2 of the initial principal
balance of its Corresponding Certificate and an interest rate equal to the Net
Rate.

     Class LTM-4 Interest: An uncertificated regular interest in the Lower Tier
REMIC with an initial principal balance equal to 1/2 of the initial principal
balance of its Corresponding Certificate and an interest rate equal to the Net
Rate.

     Class LTM-5 Interest: An uncertificated regular interest in the Lower Tier
REMIC with an initial principal balance equal to 1/2 of the initial principal
balance of its Corresponding Certificate and an interest rate equal to the Net
Rate.

     Class LTM-6 Interest: An uncertificated regular interest in the Lower Tier
REMIC with an initial principal balance equal to 1/2 of the initial principal
balance of its Corresponding Certificate and an interest rate equal to the Net
Rate.

     Class LTR Interest: The sole class of "residual interest" in the Lower Tier
REMIC.

     Class M Certificate: Any one of the Class M-1, Class M-2, Class M-3, Class
M-4, Class M-5 and Class M-6 Certificates as designated on the face thereof
substantially in the form annexed hereto as Exhibit A-1, executed by the
Securities Administrator and authenticated and delivered by the Securities
Administrator, representing the right to distributions as set forth herein and
therein.

     Class M Certificateholder: Any Holder of a Class M Certificate.

      Class M-1 Certificate: Any Certificate designated as a "Class M-1
Certificate" on the face thereof, in the form of Exhibit A hereto, representing
the right to distributions as set forth herein.

     Class M-1 Certificate Rate: For the first Distribution Date, 5.7700% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class M-1 Margin, (2) the Available Funds Cap for such Distribution
Date and (3) the Maximum Rate Cap for such Distribution Date.

     Class M-1 Class Certificate Balance: As of any date of determination, the
aggregate Class Certificate Balance of the Class M-1 Certificates.

     Class M-1 Current Interest: As of any Distribution Date, the interest
accrued during the related Accrual Period at the Class M-1 Certificate Rate on
the Class M-1 Class Certificate Balance as of such Distribution Date plus the
portion of any previous distributions on such Class


                                      -21-

<PAGE>

in respect of Current Interest or Class M-1 Interest Carry Forward Amount that
is recovered as a voidable preference by a trustee in bankruptcy, less any
Prepayment Interest Shortfalls allocated on such Distribution Date to the Class
M-1 Certificates and less any Deferred Interest allocated on such Distribution
Date to the Class M-1 Certificates. For purposes of calculating interest,
principal distributions on a Distribution Date will be deemed to have been made
on the first day of the Accrual Period in which such Distribution Date occurs.

     Class M-1 Interest Carry Forward Amount: As of any Distribution Date, the
sum of (1) the excess of (A) the Class M-1 Current Interest with respect to
prior Distribution Dates over (B) the amount actually distributed to the Class
M-1 Certificates with respect to interest on such prior Distribution Dates and
(2) interest on such excess (to the extent permitted by applicable law) at the
Class M-1 Certificate Rate for the related Accrual Period. The Class M-1
Interest Carry Forward Amount shall not include any amounts attributable to an
allocation of Deferred Interest.

     Class M-1 Margin: As of any Distribution Date, (i) on or before the Initial
Optional Termination Date, 0.450% per annum, and (ii) after the Initial Optional
Termination Date, 0.675% per annum.

     Class M-1 Principal Distribution Amount: With respect to any Distribution
Date on or after the Stepdown Date, 100% of the Principal Distribution Amount if
the aggregate Class Certificate Balance of the Senior Certificates has been
reduced to zero and a Stepdown Trigger Event exists, or, as long as a Stepdown
Trigger Event does not exist, the excess of (1) the sum of (A) the Class
Certificate Balance of the Senior Certificates (after taking into account
distributions of the Senior Principal Distribution Amount to the Senior
Certificates for such Distribution Date and after the allocation of Deferred
Interest, if any, for each Distribution Date) and (B) the Class Certificate
Balance of the Class M-1 Certificates immediately prior to such Distribution
Date over (2) the lesser of (A) (i) for any Distribution Date on or prior to
March 2013, 88.375% of the aggregate Stated Principal Balance of the Mortgage
Loans as of such Distribution Date and (ii) for any Distribution Date after
March 2013, 90.700% of the aggregate Stated Principal Balance of the Mortgage
Loans as of such Distribution Date and (B) the excess of the aggregate Stated
Principal Balance of the Mortgage Loans as of such Distribution Date over the
Minimum Required Overcollateralization Amount. Notwithstanding the above, (1) on
any Distribution Date prior to the Stepdown Date on which the aggregate Class
Certificate Balance of the Senior Certificates has been reduced to zero, the
Class M-1 Principal Distribution Amount will equal the lesser of (A) the
outstanding Class Certificate Balance of the Class M-1 Certificates and (B) 100%
of the Principal Distribution Amount remaining after any distributions on the
Senior Certificates and (2) in no event will the Class M-1 Principal
Distribution Amount with respect to any Distribution Date exceed the Class
Certificate Balance of the Class M-1 Certificates.

     Class M-2 Certificate: Any Certificate designated as a "Class M-2
Certificate" on the face thereof, in the form of Exhibit A hereto, representing
the right to distributions as set forth herein.

     Class M-2 Certificate Rate: For the first Distribution Date, 5.8200% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class M-2 Margin,


                                       -22-

<PAGE>

(2) the Available Funds Cap for such Distribution Date and (3) the Maximum Rate
Cap for such Distribution Date.

     Class M-2 Class Certificate Balance: As of any date of determination, the
aggregate Class Certificate Balance of the Class M-2 Certificates.

     Class M-2 Current Interest: As of any Distribution Date, the interest
accrued during the related Accrual Period at the Class M-2 Certificate Rate on
the Class M-2 Class Certificate Balance as of such Distribution Date plus the
portion of any previous distributions on such Class in respect of Current
Interest or Class M-2 Interest Carry Forward Amount that is recovered as a
voidable preference by a trustee in bankruptcy, less any Prepayment Interest
Shortfalls allocated on such Distribution Date to the Class M-2 Certificates and
less any Deferred Interest allocated on such Distribution Date to the Class M-2
Certificates. For purposes of calculating interest, principal distributions on a
Distribution Date will be deemed to have been made on the first day of the
Accrual Period in which such Distribution Date occurs.

     Class M-2 Interest Carry Forward Amount: As of any Distribution Date, the
sum of (1) the excess of (A) the Class M-2 Current Interest with respect to
prior Distribution Dates over (B) the amount actually distributed to the Class
M-2 Certificates with respect to interest on such prior Distribution Dates and
(2) interest on such excess (to the extent permitted by applicable law) at the
Class M-2 Certificate Rate for the related Accrual Period. The Class M-2
Interest Carry Forward Amount shall not include any amounts attributable to an
allocation of Deferred Interest.

     Class M-2 Margin: As of any Distribution Date, (i) on or before the Initial
Optional Termination Date, 0.500% per annum, and (ii) after the Initial Optional
Termination Date, 0.750% per annum.

     Class M-2 Principal Distribution Amount: With respect to any Distribution
Date on or after the Stepdown Date, 100% of the Principal Distribution Amount if
the Class Certificate Balance of each class of Senior Certificates and Class M-1
Certificates has been reduced to zero and a Stepdown Trigger Event exists, or,
as long as a Stepdown Trigger Event does not exist, the excess of (1) the sum of
(A) the Class Certificate Balance of the Senior Certificates and the Class
Certificate Balance of the Class M-1 Certificates (after taking into account
distributions of the related Principal Distribution Amount for such Distribution
Date and after the allocation of Deferred Interest, if any, for each
Distribution Date) and (B) the Class Certificate Balance of the Class M-2
Certificates immediately prior to such Distribution Date over (2) the lesser of
(A) (i) for any Distribution Date on or prior to March 2013, 90.500% of the
aggregate Stated Principal Balance of the Mortgage Loans as of such Distribution
Date and (ii) for any Distribution Date after March 2013, 92.400% of the
aggregate Stated Principal Balance of the Mortgage Loans as of such Distribution
Date and (B) the excess of the aggregate Stated Principal Balance of the
Mortgage Loans as of such Distribution Date over the Minimum Required
Overcollateralization Amount. Notwithstanding the above, (1) on any Distribution
Date prior to the Stepdown Date on which the aggregate Class Certificate Balance
of the Senior Certificates and the Class M-1 Certificates has been reduced to
zero, the Class M-2 Principal Distribution Amount will equal the lesser of (A)
the outstanding Class Certificate Balance of the Class M-2 Certificates and (B)
100% of the Principal Distribution Amount remaining after any distributions on
the Senior Certificates and Class M-1 Certificates and (2) in no event will the
Class M-2 Principal


                                      -23-

<PAGE>

Distribution Amount with respect to any Distribution Date exceed the Class
Certificate Balance of the Class M-2 Certificates

     Class M-3 Certificate: Any Certificate designated as a "Class M-3
Certificate" on the face thereof, in the form of Exhibit A hereto, representing
the right to distributions as set forth herein.

     Class M-3 Certificate Rate: For the first Distribution Date, 5.9200% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class M-3 Margin, (2) the Available Funds Cap for such Distribution
Date and (3) the Maximum Rate Cap for such Distribution Date.

     Class M-3 Class Certificate Balance: As of any date of determination, the
aggregate Class Certificate Balance of the Class M-3 Certificates.

     Class M-3 Current Interest: As of any Distribution Date, the interest
accrued during the related Accrual Period at the Class M-3 Certificate Rate on
the Class M-3 Class Certificate Balance as of such Distribution Date plus the
portion of any previous distributions on such Class in respect of Current
Interest or Class M-3 Interest Carry Forward Amount that is recovered as a
voidable preference by a trustee in bankruptcy, less any Prepayment Interest
Shortfalls allocated on such Distribution Date to the Class M-3 Certificates and
less any Deferred Interest allocated on such Distribution Date to the Class M-3
Certificates. For purposes of calculating interest, principal distributions on a
Distribution Date will be deemed to have been made on the first day of the
Accrual Period in which such Distribution Date occurs.

     Class M-3 Interest Carry Forward Amount: As of any Distribution Date, the
sum of (1) the excess of (A) the Class M-3 Current Interest with respect to
prior Distribution Dates over (B) the amount actually distributed to the Class
M-3 Certificates with respect to interest on such prior Distribution Dates and
(2) interest on such excess (to the extent permitted by applicable law) at the
Class M-3 Certificate Rate for the related Accrual Period. The Class M-3
Interest Carry Forward Amount shall not include any amounts attributable to an
allocation of Deferred Interest.

     Class M-3 Margin: As of any Distribution Date, (i) on or before the Initial
Optional Termination Date, 0.600% per annum, and (ii) after the Initial Optional
Termination Date, 0.900% per annum.

     Class M-3 Principal Distribution Amount: With respect to any Distribution
Date on or after the Stepdown Date, 100% of the Principal Distribution Amount if
the Class Certificate Balance of each class of Class A, Class M-1 and Class M-2
Certificates has been reduced to zero and a Stepdown Trigger Event exists, or,
as long as a Stepdown Trigger Event does not exist, the excess of (1) the sum of
(A) the Class Certificate Balance of the Senior Certificates and the Class
Certificate Balance of the Class M-1 and Class M-2 Certificates (after taking
into account distributions of the related Principal Distribution Amount for such
Distribution Date and after the allocation of Deferred Interest, if any, for
each Distribution Date) and (B) the Class Certificate Balance of the Class M-3
Certificates immediately prior to such Distribution Date over (2) the lesser of
(A) (i) for any Distribution Date on or prior to March 2013, 92.375% of the
aggregate Stated Principal Balance of the Mortgage Loans as of such Distribution
Date and (ii) for any


                                      -24-

<PAGE>

Distribution Date after March 2013, 93.900% of the aggregate Stated Principal
Balance of the Mortgage Loans as of such Distribution Date and (B) the excess of
the aggregate Stated Principal Balance of the Mortgage Loans as of such
Distribution Date over the Minimum Required Overcollateralization Amount.
Notwithstanding the above, (1) on any Distribution Date prior to the Stepdown
Date on which the aggregate Class Certificate Balance of the Class A, Class M-1
and Class M-2 Certificates has been reduced to zero, the Class M-3 Principal
Distribution Amount will equal the lesser of (A) the outstanding Class
Certificate Balance of the Class M-3 Certificates and (B) 100% of the Principal
Distribution Amount remaining after any distributions on the Class A, Class M-1
and Class M-2 Certificates and (2) in no event will the Class M-3 Principal
Distribution Amount with respect to any Distribution Date exceed the Class
Certificate Balance of the Class M-3 Certificates.

     Class M-4 Certificate: Any Certificate designated as a "Class M-4
Certificate" on the face thereof, in the form of Exhibit A hereto, representing
the right to distributions as set forth herein.

     Class M-4 Certificate Rate: For the first Distribution Date, 6.0200% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class M-4 Margin, (2) the Available Funds Cap for such Distribution
Date and (3) the Maximum Rate Cap for such Distribution Date.

     Class M-4 Class Certificate Balance: As of any date of determination, the
aggregate Class Certificate Balance of the Class M-4 Certificates.

     Class M-4 Current Interest: As of any Distribution Date, the interest
accrued during the related Accrual Period at the Class M-4 Certificate Rate on
the Class M-4 Class Certificate Balance as of such Distribution Date plus the
portion of any previous distributions on such Class in respect of Current
Interest or Class M-4 Interest Carry Forward Amount that is recovered as a
voidable preference by a trustee in bankruptcy, less any Prepayment Interest
Shortfalls allocated on such Distribution Date to the Class M-4 Certificates and
less any Deferred Interest allocated on such Distribution Date to the Class M-4
Certificates. For purposes of calculating interest, principal distributions on a
Distribution Date will be deemed to have been made on the first day of the
Accrual Period in which such Distribution Date occurs.

     Class M-4 Interest Carry Forward Amount: As of any Distribution Date, the
sum of (1) the excess of (A) the Class M-4 Current Interest with respect to
prior Distribution Dates over (B) the amount actually distributed to the Class
M-4 Certificates with respect to interest on such prior Distribution Dates and
(2) interest on such excess (to the extent permitted by applicable law) at the
Class M-4 Certificate Rate for the related Accrual Period. The Class M-4
Interest Carry Forward Amount shall not include any amounts attributable to an
allocation of Deferred Interest.

     Class M-4 Margin: As of any Distribution Date, (i) on or before the Initial
Optional Termination Date, 0.700% per annum, and (ii) after the Initial Optional
Termination Date, 1.050% per annum.

     Class M-4 Principal Distribution Amount: With respect to any Distribution
Date on or after the Stepdown Date, 100% of the Principal Distribution Amount if
the Class Certificate


                                       -25-

<PAGE>

Balance of each class of Class A, Class M-1, Class M-2 and Class M-3
Certificates has been reduced to zero and a Stepdown Trigger Event exists, or,
as long as a Stepdown Trigger Event does not exist, the excess of (1) the sum of
(A) the Class Certificate Balance of the Senior Certificates and the Class
Certificate Balance of the Class M-1, Class M-2 and Class M-3 Certificates
(after taking into account distributions of the related Principal Distribution
Amount for such Distribution Date and after the allocation of Deferred Interest,
if any, for each Distribution Date) and (B) the Class Certificate Balance of the
Class M-4 Certificates immediately prior to such Distribution Date over (2) the
lesser of (A) (i) for any Distribution Date on or prior to March 2013, 93.750%
of the aggregate Stated Principal Balance of the Mortgage Loans as of such
Distribution Date and (ii) for any Distribution Date after March 2013, 95.000%
of the aggregate Stated Principal Balance of the Mortgage Loans as of such
Distribution Date and (B) the excess of the aggregate Stated Principal Balance
of the Mortgage Loans as of such Distribution Date over the Minimum Required
Overcollateralization Amount. Notwithstanding the above, (1) on any Distribution
Date prior to the Stepdown Date on which the aggregate Class Certificate Balance
of the Class A, Class M-1, Class M-2 and Class M-3 Certificates has been reduced
to zero, the Class M-4 Principal Distribution Amount will equal the lesser of
(A) the outstanding Class Certificate Balance of the Class M-4 Certificates and
(B) 100% of the Principal Distribution Amount remaining after any distributions
on the Class A, Class M-1, Class M-2 and Class M-3 Certificates and (2) in no
event will the Class M-4 Principal Distribution Amount with respect to any
Distribution Date exceed the Class Certificate Balance of the Class M-4
Certificates.

     Class M-5 Certificate: Any Certificate designated as a "Class M-5
Certificate" on the face thereof, in the form of Exhibit A hereto, representing
the right to distributions as set forth herein.

     Class M-5 Certificate Rate: For the first Distribution Date, 6.0700% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class M-5 Margin, (2) the Available Funds Cap for such Distribution
Date and (3) the Maximum Rate Cap for such Distribution Date.

     Class M-5 Class Certificate Balance: As of any date of determination, the
aggregate Class Certificate Balance of the Class M-5 Certificates.

     Class M-5 Current Interest: As of any Distribution Date, the interest
accrued during the related Accrual Period at the Class M-5 Certificate Rate on
the Class M-5 Class Certificate Balance as of such Distribution Date plus the
portion of any previous distributions on such Class in respect of Current
Interest or Class M-5 Interest Carry Forward Amount that is recovered as a
voidable preference by a trustee in bankruptcy, less any Prepayment Interest
Shortfalls allocated on such Distribution Date to the Class M-5 Certificates and
less any Deferred Interest allocated on such Distribution Date to the Class M-5
Certificates. For purposes of calculating interest, principal distributions on a
Distribution Date will be deemed to have been made on the first day of the
Accrual Period in which such Distribution Date occurs.

     Class M-5 Interest Carry Forward Amount: As of any Distribution Date, the
sum of (1) the excess of (A) the Class M-5 Current Interest with respect to
prior Distribution Dates over (B) the amount actually distributed to the Class
M-5 Certificates with respect to interest on such prior Distribution Dates and
(2) interest on such excess (to the extent permitted by applicable


                                      -26-

<PAGE>

law) at the Class M-5 Certificate Rate for the related Accrual Period. The Class
M-5 Interest Carry Forward Amount shall not include any amounts attributable to
an allocation of Deferred Interest.

     Class M-5 Margin: As of any Distribution Date, (i) on or before the Initial
Optional Termination Date, 0.750% per annum, and (ii) after the Initial Optional
Termination Date, 1.125% per annum.

     Class M-5 Principal Distribution Amount: With respect to any Distribution
Date on or after the Stepdown Date, 100% of the Principal Distribution Amount if
the Class Certificate Balance of each class of Class A, Class M-1, Class M-2,
Class M-3 and Class M-4 Certificates has been reduced to zero and a Stepdown
Trigger Event exists, or, as long as a Stepdown Trigger Event does not exist,
the excess of (1) the sum of (A) the Class Certificate Balance of the Senior
Certificates and the Class Certificate Balance of the Class M-1, Class M-2,
Class M-3 and Class M-4 Certificates (after taking into account distributions of
the related Principal Distribution Amount for such Distribution Date and after
the allocation of Deferred Interest, if any, for each Distribution Date) and (B)
the Class Certificate Balance of the Class M-5 Certificates immediately prior to
such Distribution Date over (2) the lesser of (A) (i) for any Distribution Date
on or prior to March 2013, 94.750% of the aggregate Stated Principal Balance of
the Mortgage Loans as of such Distribution Date and (ii) for any Distribution
Date after March 2013, 95.800% of the aggregate Stated Principal Balance of the
Mortgage Loans as of such Distribution Date and (B) the excess of the aggregate
Stated Principal Balance of the Mortgage Loans as of such Distribution Date over
the Minimum Required Overcollateralization Amount. Notwithstanding the above,
(1) on any Distribution Date prior to the Stepdown Date on which the aggregate
Class Certificate Balance of the Class A, Class M-1, Class M-2, Class M-3 and
Class M-4 Certificates has been reduced to zero, the Class M-5 Principal
Distribution Amount will equal the lesser of (A) the outstanding Class
Certificate Balance of the Class M-5 Certificates and (B) 100% of the Principal
Distribution Amount remaining after any distributions on the Class A, Class M-1,
Class M-2, Class M-3 and Class M-4 Certificates and (2) in no event will the
Class M-5 Principal Distribution Amount with respect to any Distribution Date
exceed the Class Certificate Balance of the Class M-5 Certificates.

     Class M-6 Certificate: Any Certificate designated as a "Class M-6
Certificate" on the face thereof, in the form of Exhibit A hereto, representing
the right to distributions as set forth herein.

     Class M-6 Certificate Rate: For the first Distribution Date, 6.1200% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class M-6 Margin, (2) the Available Funds Cap for such Distribution
Date and (3) the Maximum Rate Cap for such Distribution Date.

     Class M-6 Class Certificate Balance: As of any date of determination, the
aggregate Class Certificate Balance of the Class M-6 Certificates.

     Class M-6 Current Interest: As of any Distribution Date, the interest
accrued during the related Accrual Period at the Class M-6 Certificate Rate on
the Class M-6 Class Certificate Balance as of such Distribution Date plus the
portion of any previous distributions on such Class in respect of Current
Interest or Class M-6 Interest Carry Forward Amount that is recovered as a


                                      -27-

<PAGE>

voidable preference by a trustee in bankruptcy, less any Prepayment Interest
Shortfalls allocated on such Distribution Date to the Class M-6 Certificates and
less any Deferred Interest allocated on such Distribution Date to the Class M-6
Certificates. For purposes of calculating interest, principal distributions on a
Distribution Date will be deemed to have been made on the first day of the
Accrual Period in which such Distribution Date occurs.

     Class M-6 Interest Carry Forward Amount: As of any Distribution Date, the
sum of (1) the excess of (A) the Class M-6 Current Interest with respect to
prior Distribution Dates over (B) the amount actually distributed to the Class
M-6 Certificates with respect to interest on such prior Distribution Dates and
(2) interest on such excess (to the extent permitted by applicable law) at the
Class M-6 Certificate Rate for the related Accrual Period. The Class M-6
Interest Carry Forward Amount shall not include any amounts attributable to an
allocation of Deferred Interest.

     Class M-6 Margin: As of any Distribution Date, (i) on or before the Initial
Optional Termination Date, 0.800% per annum, and (ii) after the Initial Optional
Termination Date, 1.200% per annum.

     Class M-6 Principal Distribution Amount: With respect to any Distribution
Date on or after the Stepdown Date, 100% of the Principal Distribution Amount if
the Class Certificate Balance of each class of Class A, Class M-1, Class M-2,
Class M-3, Class M-4 and Class M-5 Certificates has been reduced to zero and a
Stepdown Trigger Event exists, or, as long as a Stepdown Trigger Event does not
exist, the excess of (1) the sum of (A) the Class Certificate Balance of the
Senior Certificates and the Class Certificate Balance of the Class M-1, Class
M-2, Class M-3, Class M-4 and Class M-5 Certificates (after taking into account
distributions of the related Principal Distribution Amount for such Distribution
Date and after the allocation of Deferred Interest, if any, for each
Distribution Date) and (B) the Class Certificate Balance of the Class M-6
Certificates immediately prior to such Distribution Date over (2) the lesser of
(A) (i) for any Distribution Date on or prior to March 2013, 95.625% of the
aggregate Stated Principal Balance of the Mortgage Loans as of such Distribution
Date and (ii) for any Distribution Date after March 2013, 96.500% of the
aggregate Stated Principal Balance of the Mortgage Loans as of such Distribution
Date and (B) the excess of the aggregate Stated Principal Balance of the
Mortgage Loans as of such Distribution Date over the Minimum Required
Overcollateralization Amount. Notwithstanding the above, (1) on any Distribution
Date prior to the Stepdown Date on which the aggregate Class Certificate Balance
of the Class A, Class M-1, Class M-2, Class M-3, Class M-4 and Class M-5
Certificates has been reduced to zero, the Class M-6 Principal Distribution
Amount will equal the lesser of (A) the outstanding Class Certificate Balance of
the Class M-6 Certificates and (B) 100% of the Principal Distribution Amount
remaining after any distributions on the Class A, Class M-1, Class M-2, Class
M-3, Class M-4 and Class M-5 Certificates and (2) in no event will the Class M-6
Principal Distribution Amount with respect to any Distribution Date exceed the
Class Certificate Balance of the Class M-6 Certificates.

     Class P Certificate: Any one of the Class P Certificates as designated on
the face thereof substantially in the forum of annexed hereto as Exhibit A-4,
executed by the Securities Administrator and authenticated and delivered by the
Securities Administrator representing the right to distributions of Prepayment
Charges received on the Prepayment Charge Mortgage Loans as set forth herein.


                                      -28-

<PAGE>

     Class R Certificate: The Class R Certificate executed, authenticated and
delivered by the Securities Administrator substantially in the form annexed
hereto as Exhibit A-3 and evidencing the ownership of the residual interest in
each REMIC.

     Class R Certificate Rate: For the first Distribution Date, 5.5010% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class R Margin, (2) the Available Funds Cap for such Distribution Date
and (3) the Maximum Rate Cap for such Distribution Date.

     Class R Class Certificate Balance: As of any date of determination, the
aggregate Class Certificate Balance of the Class R Certificate.

     Class R Current Interest: As of any Distribution Date, the interest accrued
during the related Accrual Period at the Class R Certificate Rate on the Class R
Class Certificate Balance as of such Distribution Date plus the portion of any
previous distributions on such Class in respect of Current Interest or a Class R
Interest Carry Forward Amount that is recovered as a voidable preference by a
trustee in bankruptcy, less any Prepayment Interest Shortfalls allocated on such
Distribution Date to the Class R Certificate and less any Deferred Interest
allocated on such Distribution Date to the Class R Certificates. For purposes of
calculating interest, principal distributions on a Distribution Date will be
deemed to have been made on the first day of the Accrual Period in which such
Distribution Date occurs.

     Class R Interest Carry Forward Amount: As of any Distribution Date, the sum
of (1) the excess of (A) the Class R Current Interest with respect to prior
Distribution Dates over (B) the amount actually distributed to the Class R
Certificate with respect to interest on such prior Distribution Dates and (2)
interest on such excess (to the extent permitted by applicable law) at the Class
R Certificate Rate for the related Accrual Period. The Class R Interest Carry
Forward Amount shall not include amounts attributable to an allocation of
Deferred Interest.

     Class R Margin: With respect to any Distribution Date, (i) on or before the
Initial Optional Termination Date, 0.180%, and (ii) after the Initial Optional
Termination Date, 0.360%.

     Class Subordination Percentage: With respect to any Distribution Date and
each Class of Subordinate Certificates, the fraction (expressed as a percentage)
the numerator of which is the Class Certificate Balance of such Class of
Subordinate Certificates immediately prior to such Distribution Date and the
denominator of which is the aggregate of the Class Certificate Balances of all
Classes of Certificates immediately prior to such Distribution Date.

     Class SWR Interest: The sole class of "residual interest" in the SWAP
REMIC.

     Closing Date: March 29, 2007.

     Code: The Internal Revenue Code of 1986, as amended.

     Commission: The Securities and Exchange Commission.

     Company: Wilshire.


                                      -29-

<PAGE>

     Compensating Interest: For any Distribution Date and all Principal
Prepayments in respect of a Mortgage Loan that are received during the period
from the first day of the related Prepayment Period through the last day of the
calendar month preceding such Distribution Date, a payment made by the
applicable Servicer in an amount equal to the interest accrued at the Net
Mortgage Rate for that Mortgage Loan from the date of prepayment through the
30th day of the preceding calendar month; provided, however, that such amount
shall not exceed (i) with respect to the Company and any Principal Prepayment in
Full, the product of (a) 50% of the Servicing Fee Rate and (b) the aggregate
Stated Principal Balance of the Mortgage Loans for such Distribution Date or
(ii) with respect to any Servicer other than the Company and a Principal
Prepayment in Full or a Curtailment, the product of (a) the Servicing Fee Rate
and (b) the aggregate Stated Principal Balance of the Mortgage Loans for such
Distribution Date; and provided further, however, that any month consisting of
less than 30 days shall be deemed to consist of 30 days.

     Compensating Interest Payment: As defined in Section 6.05.

     Cooperative: A corporation that has been formed for the purpose of
cooperative apartment ownership.

     Cooperative Assets: Shares issued by Cooperatives, the related Cooperative
Lease and any other collateral securing the Cooperative Loans.

     Cooperative Lease: With respect to a Cooperative Loan, the proprietary
lease or occupancy agreement with respect to the cooperative apartment occupied
by the Mortgagor and relating to the related Cooperative Assets, which lease or
agreement confers an exclusive right to the holder of such Cooperative Assets to
occupy such apartment.

     Cooperative Loan: The indebtedness of a Mortgagor evidenced by a Mortgage
Note which is secured by Cooperative Assets and which is being sold to the
Depositor pursuant to this Agreement, the Mortgage Loans so sold being
identified in the Mortgage Loan Schedule.

     Cooperative Stock: With respect to a Cooperative Loan, the single
outstanding class of stock, partnership interest or other ownership instrument
in the related Cooperative.

     Corporate Trust Office: With respect to the Trustee, the principal
corporate trust office of the Trustee at which at any particular time its
corporate trust business in connection with this Agreement shall be
administered, which office at the date of the execution of this instrument is
located at HSBC Bank USA, National Association, 452 Fifth Avenue, New York, New
York 10018, Attention: Issuer Services - Merrill Lynch Mortgage Investors, Inc.,
MANA Series 2007-OAR2, or at such other address as the Trustee may designate
from time to time by notice to the Certificateholders, the Depositor and the
Master Servicer and with respect to the Securities Administrator, for
Certificate transfer purposes, Wells Fargo Center, Sixth Street and Marquette
Avenue, Minneapolis, Minnesota 55479, Attn: Corporate Trust Services - MANA
2007-OAR2, and for all other purposes, 9062 Old Annapolis Road, Columbia,
Maryland, 21045, Attn: Client Service Manager - MANA 2007-OAR2.

     Corresponding Certificates: With respect to the Class LTA-1 Interest, the
Class A-1 and Class R Certificates. With respect to the Class LTA-2 Interest,
the Class A-2 Certificates. With


                                      -30-

<PAGE>

respect to the Class LTA-3 Interest, the Class A-3 Certificates. With respect to
the Class LTM-1 Interest, the Class M-1 Certificates. With respect to the Class
LTM-2 Interest, the Class M-2 Certificates. With respect to the Class LTM-3
Interest, the Class M-3 Certificates. With respect to the Class LTM-4 Interest,
the Class M-4 Certificates. With respect to the Class LTM-5 Interest, the Class
M-5 Certificates. With respect to the Class LTM-6 Interest, the Class M-6
Certificates. With respect to the Class LTB-1 Interest, the Class B-1
Certificates. With respect to the Class LTB-2 Interest, the Class B-2
Certificates. With respect to the Class LTB-3 Interest, the Class B-3
Certificates.

     Corresponding REMIC Regular Interest: For each Class of Certificates, the
interest in the Upper Tier REMIC listed on the same row in the table entitled
"Upper Tier REMIC" in the Preliminary Statement.

     Corridor Contract: The confirmation and agreement, including the schedule
thereto and the related credit support annex, between the Supplemental Interest
Trust Trustee on behalf of the Supplemental Interest Trust and the Cap Contract
Counterparty (in the form of Exhibit N-1 hereto).

     Corridor Contract Account: The separate Eligible Account created and
maintained by the Supplemental Interest Trust Trustee pursuant to Section
6.01(l) in the name of the Supplemental Interest Trust Trustee for the benefit
of the Issuing Entity and designated "Wells Fargo Bank, National Association, as
Supplemental Interest Trust Trustee for Merrill Lynch Mortgage Investors, Inc.,
Mortgage Pass-Through Certificates, MANA Series 2007-OAR2 - Corridor Contract
Account." Funds in the Corridor Contract Account shall be held in trust for the
Issuing Entity for the uses and purposes set forth in this Agreement.

     Corridor Posted Collateral Account: The segregated Eligible Account created
and maintained by the Supplemental Interest Trust Trustee pursuant to Section
6.01(m) in the name of the Supplemental Interest Trust Trustee for the benefit
of the Supplemental Interest Trust and designated "Wells Fargo Bank, N.A., as
supplemental interest trust trustee, in trust for registered holders of Merrill
Lynch Alternative Note Asset Trust, Series 2007-OAR2." Funds in the Corridor
Posted Collateral Account shall be held in trust for the Supplemental Interest
Trust for the uses and purposes set forth in the Corridor Contract.

     Corridor Contract Notional Balance: With respect to any Distribution Date,
the Corridor Contract Notional Balance set forth for such Distribution Date in
the One-Month LIBOR Corridor Table attached hereto as Exhibit H.

     Corridor Contract Termination Date: The Distribution Date in September
2007.

     Current Interest: Any of the Class A-1 Current Interest, the Class A-2
Current Interest, the Class A-3 Current Interest, the Class R Current Interest,
the Class M-1 Current Interest, the Class M-2 Current Interest, the Class M-3
Current Interest, the Class M-4 Current Interest, the Class M-5 Current
Interest, the Class M-6 Current Interest, the Class B-1 Current Interest, the
Class B-2 Current Interest, the Class B-3 Current Interest and the Class C
Current Interest.

     Curtailment: Any Principal Prepayment made by a Mortgagor which is not a
Principal Prepayment in Full.


                                      -31-

<PAGE>

     Custodial Agreement: An agreement, dated as of the Closing Date among the
Depositor, the Master Servicer, the Securities Administrator, the Trustee and
the Custodian in substantially the form of Exhibit G hereto.

     Custodian: Wells Fargo Bank, N.A., including any successors in interest, or
any successor custodian appointed pursuant to the provisions hereof and of the
Custodial Agreement.

     Cut-off Date: March 1, 2007.

     Cut-off Date Principal Balance: As to any Mortgage Loan, the unpaid
principal balance thereof as of the close of business on the calendar day
immediately preceding the Cut-off Date after application of all payments of
principal due on or prior to the Cut-off Date, whether or not received, and all
principal prepayments received prior to the Cut-off Date, but without giving
effect to any installments of principal received in respect of Due Dates after
the Cut-off Date.

     Debt Service Reduction: Any reduction of the Monthly Payments which a
Mortgagor is obligated to pay with respect to a Mortgage Loan as a result of any
proceeding under the Bankruptcy Code or any other similar state law or other
proceeding.

     Defaulted Swap Termination Payment: Any payment required to be made by the
Supplemental Interest Trust to the Swap Counterparty pursuant to the Swap
Agreement as a result of an event of default under the Swap Agreement with
respect to which the Swap Counterparty is the defaulting party or a termination
event under that agreement (other than illegality or a tax event) with respect
to which the Swap Counterparty is the sole Affected Party (as defined in the
Swap Agreement).

     Defective Mortgage Loan: A Mortgage Loan replaced or to be replaced by one
or more Substitute Mortgage Loans.

     Deferred Interest: Any interest shortfall resulting from Net Negative
Amortization.

     Deficient Valuation: With respect to any Mortgage Loan, a valuation of the
related Mortgaged Property by a court of competent jurisdiction in an amount
less than the then outstanding principal balance of the Mortgage Loan, which
valuation results from a proceeding initiated under the Bankruptcy Code.

     Definitive Certificates: As defined in Section 5.06.

     Delinquent: A Mortgage Loan is "delinquent" if any payment due thereon is
not made pursuant to the terms of such Mortgage Loan by the close of business on
the day such payment is scheduled to be due. A Mortgage Loan is "30 days
delinquent" if such payment has not been received by the close of business on
the corresponding day of the month immediately succeeding the month in which
such payment was due, or, if there is no such corresponding day (e.g., as when a
30-day month follows a 31-day month in which a payment was due on the 31st day
of such month), then on the last day of such immediately succeeding month. With
respect to any Mortgage Loan due on any day other than the first day of the
month, such Mortgage Loan shall be deemed to be due on the first day of the
immediately succeeding month. Similarly for "60 days delinquent," "90 days
delinquent" and so on.


                                      -32-

<PAGE>

     Depositor: Merrill Lynch Mortgage Investors, Inc., a Delaware corporation,
or any successor in interest.

     Depository: The Depository Trust Company, the nominee of which is Cede &
Co., or any successor thereto.

     Depository Participant: A broker, dealer, bank or other financial
institution or other Person for whom from time to time the Depository effects
book-entry transfers and pledges of securities deposited with the Depository.

     Designated Depository Institution: A depository institution (commercial
bank, federal savings bank, mutual savings bank or savings and loan association)
or trust company (which may include the Trustee), the deposits of which are
fully insured by the FDIC to the extent provided by law.

     Determination Date: With respect to any Distribution Date, the 15th day of
the month of such Distribution Date or, if such 15th day is not a Business Day,
the immediately preceding Business Day.

     Disqualified Organization: A "disqualified organization" as defined in
Section 860 E(e)(5) of the Code.

     Distribution Account: The trust account or accounts created and maintained
pursuant to Section 4.04, which shall be denominated "Wells Fargo Bank, National
Association, as Securities Administrator for HSBC Bank USA, National
Association, as Trustee f/b/o holders of Merrill Lynch Mortgage Investors, Inc.,
Mortgage Pass-Through Certificates, MANA Series 2007-OAR2 - Distribution
Account." The Distribution Account shall be an Eligible Account.

     Distribution Account Deposit Date: The Business Day prior to each
Distribution Date.

     Distribution Date: The 25th day of any month, beginning in April 2007, or,
if such 25th day is not a Business Day, the Business Day immediately following.

     Due Date: With respect to any Distribution Date and any Mortgage Loan, the
day during the related Due Period on which a Scheduled Payment is due.

     Due Period: With respect to any Distribution Date and each Mortgage Loan,
the period commencing on the second day of the month preceding the month in
which the Distribution Date occurs and ending at the close of business on the
first day of the month in which the Distribution Date occurs.

     Eligible Account: Any of (i) a segregated account maintained with a federal
or state chartered depository institution (A) the short-term obligations of
which are rated A-1 or better by S&P and P-1 by Moody's at the time of any
deposit therein or (B) insured by the FDIC (to the limits established by such
Corporation), the uninsured deposits (as evidenced in writing by the Rating
Agencies that use of any such account as the Distribution Account will not have
an adverse effect on the then-current ratings assigned to the Classes of
Certificates then rated by the Rating Agencies) in which account are otherwise
secured such that, as evidenced by an Opinion of Counsel (obtained by the Person
requesting that the account be held pursuant to this clause (i))


                                      -33-

<PAGE>

delivered to the Securities Administrator prior to the establishment of such
account, the Certificateholders will have a claim with respect to the funds in
such account and a perfected first priority security interest against any
collateral (which shall be limited to Permitted Investments, each of which shall
mature not later than the Business Day immediately preceding the Distribution
Date next following the date of investment in such collateral or the
Distribution Date if such Permitted Investment is an obligation of the
institution that maintains the Distribution Account) securing such funds that is
superior to claims of any other depositors or general creditors of the
depository institution with which such account is maintained, (ii) a segregated
trust account or accounts maintained with a federal or state chartered
depository institution or trust company with trust powers acting in its
fiduciary capacity or (iii) a segregated account or accounts of a depository
institution acceptable to the Rating Agencies (as evidenced in writing by the
Rating Agencies that use of any such account as the Distribution Account will
not have an adverse effect on the then-current ratings assigned to the Classes
of the Certificates then rated by the Rating Agencies). Eligible Accounts may
bear interest.

     ERISA: The Employee Retirement Income Security Act of 1974, as amended.

     ERISA Restricted Certificates: The Class C and the Class P Certificates and
any other Certificate, as long as the acquisition and holding of such
Certificate is not covered by and exempt under an underwriter's exemption.

     ERISA-Qualifying Underwriting: A best efforts or firm commitment
underwriting or private placement that would satisfy the requirements of
Prohibited Transaction Exemption 90-29, Exemption Application No. D-8012, 55
Fed. Reg. 21459 (1990), as amended, granted to the underwriter by the United
States Department of Labor (or any other applicable underwriter's exemption
granted by the United States Department of Labor), except, in relevant part, for
the requirement that the certificates have received a rating at the time of
acquisition that is in one of the three (or four, in the case of a "designated
transaction") highest generic rating categories by at least one of the Rating
Agencies.

     Escrow Account: As defined in Section 13.06 hereof.

     Event of Default: An event of default described in Section 8.01.

     Excess Interest: On any Distribution Date, for the Senior Certificates,
Class M and Class B Certificates, the excess, if any, of (1) the amount of
interest such Class of Certificates is entitled to receive on such Distribution
Date over (2) the amount of interest such Class of Certificates would have been
entitled to receive on such Distribution Date at an interest rate equal to the
REMIC Pass-Through Rate.

     Excess Liquidation Proceeds: To the extent that such amount is not required
by law to be paid to the related Mortgagor, the amount, if any, by which
Liquidation Proceeds with respect to a Liquidated Mortgage Loan exceed the sum
of (i) the Outstanding Principal Balance of such Mortgage Loan and accrued but
unpaid interest at the related Mortgage Interest Rate through the last day of
the month in which the related Liquidation Date occurs, plus (ii) related
Liquidation Expenses.


                                      -34-

<PAGE>

     Excess Proceeds: With respect to any Liquidated Loan, any Liquidation
Proceeds that are in excess of the sum of (1) the unpaid principal balance of
such Liquidated Loan as of the date of such liquidation plus (2) interest at the
Mortgage Interest Rate from the Due Date as to which interest was last paid or
advanced to Certificateholders (and not reimbursed to the Company) up to the Due
Date in the month in which such Liquidation Proceeds are required to be
distributed on the unpaid principal balance of such Liquidated Loan outstanding
during each Due Period as to which such interest was not paid or advanced.

     Exchange Act: The Securities Exchange Act of 1934, as amended.

     Extra Principal Distribution Amount: With respect to any Distribution Date,
(1) prior to the Stepdown Date, the excess, if any, of (A) the sum of (x) the
aggregate Class Certificate Balance of the Certificates (other than the Class C
Certificates) reduced by the Principal Funds with respect to such Distribution
Date and (y) $4,283,160 over (B) the aggregate Stated Principal Balance of the
Mortgage Loans as of such Distribution Date and (2) on and after the Stepdown
Date, the excess, if any, of (A) the sum of (x) the aggregate Class Certificate
Balance of the Certificates (other than the Class C Certificates) reduced by the
Principal Funds with respect to such Distribution Date and (y) the greater of
(a) (I) on or prior to the Distribution Date in March 2013, 1.75% of the
aggregate Stated Principal Balance of the Mortgage Loans as of such Distribution
Date and (II) after the Distribution Date in March 2013, 1.40% of the aggregate
Stated Principal Balance of the Mortgage Loans as of such Distribution Date and
(b) the Minimum Required Overcollateralization Amount less (B) the aggregate
Stated Principal Balance of the Mortgage Loans; provided, however, that if on
any Distribution Date a Stepdown Trigger Event is in effect, the Extra Principal
Distribution Amount will not be reduced to the applicable percentage of
then-current aggregate Stated Principal Balance of the Mortgage Loans (and will
remain fixed at the applicable percentage of the aggregate Stated Principal
Balance of the Mortgage Loans as of the Due Date immediately prior to the
Stepdown Trigger Event) until the next Distribution Date on which the Stepdown
Trigger Event is not in effect.

     Extraordinary Trust Fund Expenses: Any amounts reimbursable to the Master
Servicer, the Servicers or the Depositor pursuant to this Agreement, including
but not limited to Sections 4.03, 4.05 and 7.04, any amounts reimbursable to the
Trustee and the Securities Administrator from the Trust Fund pursuant to this
Agreement, including but not limited to Section 9.05, and any other costs,
expenses, liabilities and losses borne by the Trust Fund (exclusive of any cost,
expense, liability or loss that is specific to a particular Mortgage Loan or REO
Property and is taken into account in calculating a Realized Loss in respect
thereof) for which the Trust Fund has not and, in the reasonable good faith
judgment of the Securities Administrator, shall not, obtain reimbursement or
indemnification from any other Person.

     Fannie Mae: Federal National Mortgage Association or any successor thereto.

     FDIC: Federal Deposit Insurance Corporation or any successor thereto.

     Final Certification: The certification substantially in the form of Exhibit
Two to the Custodial Agreement.

     Fitch: Fitch Ratings or its successor in interest.


                                      -35-

<PAGE>

     Floating Rate Certificate Carryover: With respect to a Distribution Date,
in the event that the Certificate Rate for a class of Senior, Class M or Class B
Certificates is based upon the Available Funds Cap or the Maximum Rate Cap, the
sum of (A) the excess of (1) the amount of interest that such Class would have
been entitled to receive on such Distribution Date had the Certificate Rate for
that Class not been calculated based on the Available Funds Cap or the Maximum
Rate Cap, up to but not exceeding the greater of (a) the Maximum Rate Cap or (b)
the sum of (i) the Available Funds Cap and (ii) the product of (AA) a fraction,
the numerator of which is 360 and the denominator of which is the actual number
of days in the related Accrual Period and (BB) the sum of (x) the quotient
obtained by dividing (I) an amount equal to the proceeds, if any, payable under
the Corridor Contract with respect to such Distribution Date and (II) the
aggregate Class Certificate Balance of each of the Classes of Certificates to
which such Corridor Contract relates for such Distribution Date and (y) the
quotient obtained by dividing (I) an amount equal to any Net Swap Payments owed
by the Swap Counterparty for such Distribution Date by (II) the aggregate Stated
Principal Balance of the Mortgage Loans as of the immediately preceding
Distribution Date over (2) the amount of interest such Class was entitled to
receive on such Distribution Date based on the Available Funds Cap, (B) the
unpaid portion of any such excess from prior Distribution Dates (and interest
accrued thereon at the then applicable Certificate Rate for such class, without
giving effect to the Available Funds Cap or the Maximum Rate Cap) and (C) any
amount previously distributed with respect to Floating Rate Certificate
Carryover for such Class that is recovered as a voidable preference by a trustee
in bankruptcy.

     Form 8-K Disclosure Information: As defined in Section 3.18(a).

     Freddie Mac: Freddie Mac, formerly the Federal Home Loan Mortgage
Corporation, or any successor thereto.

     Gross Margin: As to each Mortgage Loan, the fixed percentage set forth in
the related Mortgage Note and indicated on the Mortgage Loan Schedule which
percentage is added to the related Index on each Interest Adjustment Date to
determine (subject to rounding, the minimum and maximum Mortgage Interest Rate
and the Periodic Rate Cap) the Mortgage Interest Rate until the next Interest
Adjustment Date.

     Indemnified Party: As defined in Section 16.07.

     Indemnified Persons: The Trustee, the Master Servicer, the Depositor, the
Company and the Securities Administrator and their officers, directors, agents
and employees and, with respect to the Trustee, any separate co-trustee and its
officers, directors, agents and employees.

     Independent: When used with respect to any specified Person, any such
Person who (a) is in fact independent of the Depositor, the Master Servicer and
their respective Affiliates, (b) does not have any direct financial interest in
or any material indirect financial interest in the Depositor or the Master
Servicer or any Affiliate thereof, and (c) is not connected with the Depositor
or the Master Servicer or any Affiliate thereof as an officer, employee,
promoter, underwriter, trustee, partner, director or Person performing similar
functions; provided, however, that a Person shall not fail to be Independent of
the Depositor or the Master Servicer or any Affiliate thereof merely because
such Person is the beneficial owner of 1% or less of any class of


                                      -36-

<PAGE>

securities issued by the Depositor or the Master Servicer or any Affiliate
thereof, as the case may be.

     Index: The index, if any, specified in a Mortgage Note by reference to
which the related Mortgage Interest Rate will be adjusted from time to time.

     Initial Certification: The certification substantially in the form of
Exhibit One to the Custodial Agreement.

     Initial Class Certificate Balance: With respect to any Regular Certificate,
the amount designated "Initial Class Certificate Balance" on the face thereof.

     Initial Optional Termination Date: The first Distribution Date following
the date on which the aggregate Stated Principal Balance of the Mortgage Loans
is less than 10% of the aggregate Stated Principal Balance of the Mortgage Loans
as of the Cut-off Date.

     Insurance Policy: With respect to any Mortgage Loan, any standard hazard
insurance policy, flood insurance policy or title insurance policy.

     Insurance Proceeds: Amounts paid by the insurer under any Insurance Policy
covering any Mortgage Loan or Mortgaged Property other than amounts required to
be paid over to the Mortgagor pursuant to law or the related Mortgage Note or
Security Instrument and other than amounts used to repair or restore the
Mortgaged Property or to reimburse insured expenses.

     Interest Adjustment Date: With respect to a Mortgage Loan, the date, if
any, specified in the related Mortgage Note on which the Mortgage Interest Rate
is subject to adjustment.

     Interest Carry Forward Amount: Any of the Class A-1 Interest Carry Forward
Amount, the Class A-2 Interest Carry Forward Amount, the Class A-3 Interest
Carry Forward Amount, the Class R Interest Carry Forward Amount, the Class M-1
Interest Carry Forward Amount, the Class M-2 Interest Carry Forward Amount, the
Class M-3 Interest Carry Forward Amount, the Class M-4 Interest Carry Forward
Amount, the Class M-5 Interest Carry Forward Amount, the Class M-6 Interest
Carry Forward Amount, the Class B-1 Interest Carry Forward Amount, the Class B-2
Interest Carry Forward Amount, the Class B-3 Interest Carry Forward Amount or
the Class C Interest Carry Forward Amount, as the case may be.

     Interest Determination Date: Each date that is the second LIBOR Business
Day preceding the commencement of each Accrual Period for the Certificates.

     Interest Funds: With respect to any Distribution Date and the Mortgage
Loans, the sum, without duplication, of (1) all interest due during the related
Due Period that is received before the related Servicer Remittance Date less the
Servicing Fee, (2) all Advances relating to interest, (3) all Compensating
Interest Payments, (4) Liquidation Proceeds collected during the related
Prepayment Period (to the extent such liquidation proceeds relate to interest),
(5) proceeds of any Mortgage Loan purchased by the Depositor or any transferor
under the Pooling and Servicing Agreement during the related Prepayment Period
for document defects, breach of a representation or warranty, realization upon
default or optional termination (to the extent such proceeds relate to
interest), (6) Prepayment Charges received with respect to the related


                                      -37-

<PAGE>

Mortgage Loans, less all non-recoverable Advances and Servicing Advances
relating to interest and certain indemnification amounts, expenses reimbursed to
the Trustee, Securities Administrator, Master Servicer and the Servicers (not
limited to such Advances, Servicing Advances, interest, amounts and expenses set
forth in this clause (6)) and (7) as increased by the lesser of (x) the
aggregate amount of items (2), (3), (4) and (5) of the definition of Principal
Funds collected during the related Prepayment Period and (y) the aggregate
amount of Negative Amortization during the related Prepayment Period.

     Investor Representation Letter: As defined in Section 5.02(b).

     Issuing Entity: Merrill Lynch Alternative Note Asset Trust, Series
2007-OAR2.

     Latest Possible Maturity Date: With respect to the Certificates, the
Distribution Date in April 2037.

     LIBOR Business Day: Any day on which banks in the City of London, England
and New York City, U.S.A. are open and conducting transactions in foreign
currency and exchange.

     LIBOR Certificates: Any of the Certificates (other than the Class C and
Class P Certificates).

     Liquidated Mortgage Loan: Any defaulted Mortgage Loan (including any REO
Property) as to which the applicable Servicer has determined that all amounts it
expects to recover from or on account of such Mortgage Loan have been recovered.

     Liquidation Date: With respect to any Liquidated Mortgage Loan, the date on
which the applicable Servicer has certified that such Mortgage Loan has become a
Liquidated Mortgage Loan.

     Liquidation Expenses: With respect to a Mortgage Loan in liquidation,
unreimbursed expenses paid or incurred by or for the account of the Master
Servicer or the applicable Servicer in connection with the liquidation of such
Mortgage Loan and the related Mortgaged Property, such expenses including (a)
property protection expenses, (b) property sales expenses, (c) foreclosure and
sale costs, including court costs and reasonable attorneys' fees, and (d)
similar expenses reasonably paid or incurred in connection with liquidation.

     Liquidation Proceeds: With respect to any Mortgage Loan, cash received in
connection with the liquidation of a defaulted Mortgage Loan, whether through
trustee's sale, foreclosure sale or otherwise, and amounts received through
Insurance Proceeds and condemnation proceeds.

     Loan-to-Value Ratio: With respect to any Mortgage Loan, the fraction,
expressed as a percentage, the numerator of which is the original principal
balance of the related Mortgage Loan and the denominator of which is the
Original Value of the related Mortgaged Property.

     Lower Collar: With respect to each Distribution Date, the applicable per
annum rate set forth under the heading "1ML Strike Lower Collar" in the
One-Month LIBOR Corridor Table (set forth on Exhibit H).


                                       -38-

<PAGE>

     Lower Tier REMIC: As described in the Preliminary Statement and Section
9.12.

     Lower Tier REMIC Interests: Each of the Class LTA-1 Interest, the Class
LTA-2 Interest, the Class LTA-3 Interest, the Class LTM-1 Interest, the Class
LTM-2 Interest, the Class LTM-3 Interest, the Class LTM-4 Interest, the Class
LTM-5 Interest, the Class LTM-6 Interest, the Class LTB-1 Interest, the Class
LTB-2 Interest, the Class LTB-3 Interest, the Class LTX Interest, the Class
LT-IO Interest and the Class LTR Interest.

     Lower Tier REMIC Marker Interests: Each of the classes of Lower Tier REMIC
Regular Interests other than the Class LTX Interest and the Class LT-IO
Interest.

     Lower Tier REMIC Regular Interests: Each of the Lower Tier REMIC Interests
other than the Class LTR Interest.

     Lower Tier REMIC Subordinated Balance Ratio: Not applicable.

     Master Servicer: Wells Fargo Bank, N.A. including any successors in
interest who meet the qualifications for a master servicer set forth in this
Agreement, and any successor master servicer appointed hereunder.

     Master Servicer Collection Account: The trust account or accounts created
and maintained pursuant to Section 4.02, which shall be denominated "Wells Fargo
Bank, National Association as Master Servicer for HSBC Bank USA, National
Association, as Trustee f/b/o holders of Merrill Lynch Mortgage Investors, Inc.,
Mortgage Pass-Through Certificates, MANA Series 2007-OAR2 - Master Servicer
Collection Account." The Master Servicer Collection Account shall be an Eligible
Account.

     Master Servicing Compensation: The meaning specified in Section 3.14.

     Maximum Lifetime Mortgage Rate: The maximum level to which a Mortgage
Interest Rate can adjust in accordance with its terms, regardless of changes in
the applicable Index.

     Maximum Rate Cap: With respect to a Distribution Date, the per annum rate
equal to the product of (i) 12, (ii) the quotient of (x) the total scheduled
interest that would have been due on the Mortgage Loans had the Mortgage Loans
provided for interest at their maximum lifetime Net Mortgage Rates less any Net
Swap Payments or Swap Termination Payments owed to the Swap Counterparty for
such Distribution Date (other than Defaulted Swap Termination Payments), and (y)
the aggregate Stated Principal Balance of the Mortgage Loans as of the first day
of the related Accrual Period (or, in the case of the first Distribution Date,
as of the Cut-off Date) and (iii) a fraction, the numerator of which is 30 and
the denominator of which is the actual number of days in the related Accrual
Period.

     MERS: Mortgage Electronic Registration Systems, Inc., a corporation
organized and existing under the laws of the State of Delaware, or any successor
thereto.

     MERS Loan: Any Mortgage Loan registered with MERS on the MERS System.

     MERS System: The system of recording transfers of mortgage electronically
maintained by MERS.


                                      -39-

<PAGE>

     MIN: The loan number for any MERS Loan.

     Minimum Lifetime Mortgage Rate: The minimum level to which a Mortgage
Interest Rate can adjust in accordance with its terms, regardless of changes in
the applicable Index.

     Minimum Payment: The minimum Monthly Payment required to be paid by a
Mortgagor.

     Minimum Required Overcollateralization Amount: An amount equal to (i) on or
prior to the Distribution Date in March 2027, 0.50% of the aggregate Stated
Principal Balance of the Mortgage Loans as of the Cut-off Date or (ii) after the
Distribution Date in March 2027, the greater of (A) 0.50% of the aggregate
Stated Principal Balance of the Mortgage Loans as of the Cut-off Date and (B)
the aggregate Stated Principal Balance of the Mortgage Loans that have a
maturity term greater than 30 years plus 0.10% of the aggregate Stated Principal
Balance of the Mortgage Loans as of the Cut-off Date.

     MLML: Merrill Lynch Mortgage Lending, Inc., a Delaware corporation, or any
successor in interest.

     Monthly Payment: With respect to any Mortgage Loan, the scheduled monthly
payment of principal and interest on such Mortgage Loan which is payable by the
related Mortgagor from time to time under the related Mortgage Note, determined:
(a) after giving effect to the Mortgagor's choice of payment to the extent
permitted by the Mortgage Note, (b) after giving effect to (i) any Deficient
Valuation and/or Debt Service Reduction with respect to such Mortgage Loan and
(ii) any reduction in the amount of interest collectible from the related
Mortgagor pursuant to the Relief Act; (c) without giving effect to any extension
granted or agreed to by the applicable Servicer pursuant to this Agreement; and
(d) on the assumption that all other amounts, if any, due under such Mortgage
Loan are paid when due.

     Monthly Statement: The statement distributed to Certificateholders pursuant
to Section 6.03.

     Moody's: Moody's Investors Service, Inc. or its successor in interest.

     Mortgage: The mortgage, deed of trust or other instrument creating a first
lien on, or first priority security interest in, a Mortgaged Property securing a
Mortgage Note.

     Mortgage File: The mortgage documents listed in Section 2.01(b) pertaining
to a particular Mortgage Loan and any additional documents required to be added
to the Mortgage File pursuant to this Agreement.

     Mortgage Interest Rate: The annual rate at which interest accrues from time
to time on any Mortgage Loan pursuant to the related Mortgage Note.

     Mortgage Loan: A mortgage loan transferred and assigned to the Trustee
pursuant to Section 2.01 or Section 2.04 and held as a part of the Trust Fund,
as identified in the Mortgage Loan Schedule, including a mortgage loan the
property securing which has become an REO Property.


                                       -40-

<PAGE>

     Mortgage Loan Purchase Agreement: The Mortgage Loan Purchase Agreement,
dated as of March 1, 2007, between the Sponsor, as seller, and the Depositor, as
purchaser, and all amendments thereof and supplements thereto, attached hereto
as Exhibit J.

     Mortgage Loan Schedule: The Mortgage Loan Schedule, attached hereto as
Exhibit B, with respect to the Mortgage Loans and as amended from time to time
to reflect the repurchase or substitution of Mortgage Loans pursuant to this
Agreement.

     Mortgage Note: The originally executed note or other evidence of the
indebtedness of a Mortgagor under the related Mortgage Loan.

     Mortgage Pool: The pool of Mortgage Loans, identified on Exhibit B from
time to time, and any REO Properties acquired in respect thereof.

     Mortgaged Property: Land and improvements securing the indebtedness of a
Mortgagor under the related Mortgage Loan or, in the case of REO Property, such
REO Property.

     Mortgagor: The obligor on a Mortgage Note.

     Negative Amortization: With respect to each Distribution Date, the amount
of interest on the Mortgage Loans that the related Mortgagors are not obligated
to pay as interest (and which shall be added to the Stated Principal Balance of
each such Mortgage Loan) due to the negative amortization feature of such
Mortgage Loans, in each case during the related Due Period.

     Negative Amortization Certificate: Any Certificate other than the Class P
Certificate.

     Net Excess Cashflow: Any Interest Funds and Principal Funds not otherwise
required to be distributed with respect to principal of and interest on the
Certificates and not otherwise required to be distributed to the Class P
Certificates.

     Net Liquidation Proceeds: As to any Liquidated Mortgage Loan, Liquidation
Proceeds net of (i) Liquidation Expenses which are payable therefrom by the
applicable Servicer or the Master Servicer in accordance with this Agreement and
(ii) unreimbursed advances by the applicable Servicer or the Master Servicer and
Advances.

     Net Mortgage Rate: With respect to each Mortgage Loan, the Mortgage
Interest Rate in effect from time to time less the Servicing Fee Rate (expressed
as a per annum rate).

     Net Negative Amortization: For any Distribution Date, the excess, if any,
of (i) the Negative Amortization with respect to the Mortgage Loans for the
related calendar month prior to that Distribution Date, over (ii) the aggregate
amount of items (2), (3), (4) and (5) of the definition of Principal Funds
collected during the related Prepayment Period.

     Net Rate: The per annum rate set forth in footnote 3 to the description of
the Lower Tier REMIC in the Preliminary Statement hereto (such rate being based
on the weighted average of the interest rates on the SWAP REMIC Regular
Interests as adjusted and as set forth in such footnote).


                                      -41-

<PAGE>

     Net Swap Payment: With respect to any Distribution Date, any net payment
(other than a Swap Termination Payment or Defaulted Swap Termination Payment)
made by the Supplemental Interest Trust to the Swap Counterparty on the related
Fixed Rate Payer Payment Date (as defined in the Swap Agreement) or made by the
Swap Counterparty to the Supplemental Interest Trust on the related Floating
Rate Payer Payment Date (as defined in the Swap Agreement). In each case, the
Net Swap Payment shall not be less than zero.

     Net WAC: With respect to any Distribution Date, the weighted average Net
Mortgage Rate for the Mortgage Loans calculated based on the respective Net
Mortgage Rates and the Stated Principal Balances of such Mortgage Loans as of
the preceding Distribution Date (or, in the case of the first Distribution Date,
as of the Cut-off Date).

     NIM Notes: The net interest margin or excess cashflow securities to be
issued pursuant to an indenture.

     Non-Recoverable Advance: Any portion of an Advance previously made or
proposed to be made by a Servicer that, in the good faith judgment of such
Servicer, will not or, in the case of a current delinquency, would not, be
ultimately recoverable by such Servicer from the related Mortgagor, related
Liquidation Proceeds or otherwise related to the Mortgage Loans.

     Non-Recoverable Servicing Advance: Any portion of a Servicing Advance
previously made or proposed to be made by a Servicer that, in the good faith
judgment of such Servicer, will not or, in the case of a current Servicing
Advance, would not, be ultimately recoverable by such Servicer from the related
Mortgagor, related Liquidation Proceeds or otherwise related to the Mortgage
Loans.

     Non-Supported Interest Shortfall: As defined in Section 13.23.

     Offered Certificate: Any Senior Certificate or Subordinate Certificate
issued hereunder.

     Officer's Certificate: A certificate signed by the Chairman of the Board,
the Vice Chairman of the Board, the President or a Vice President or Assistant
Vice President or other authorized officer of the Servicers, the Master Servicer
or the Depositor, as applicable, and delivered to the Trustee, as required by
this Agreement.

     One-Month LIBOR: With respect to any Accrual Period, the rate determined by
the Securities Administrator on the related Interest Determination Date on the
basis of (a) the offered rates for one-month United States dollar deposits, as
such rates appear on Telerate page 3750, as of 11:00 a.m. (London time) on such
Interest Determination Date or (b) if such rate does not appear on Telerate Page
3750 as of 11:00 a.m. (London time), the offered rates of the Reference Banks
for one-month United States dollar deposits, as such rates appear on the Reuters
Screen LIBO Page, as of 11:00 a.m. (London time) on such Interest Determination
Date. If One-Month LIBOR is determined pursuant to clause (b) above, on each
Interest Determination Date, One-Month LIBOR for the related Accrual Period will
be established by the Securities Administrator as follows:

          (i) If on such Interest Determination Date two or more Reference Banks
     provide such offered quotations, One-Month LIBOR for the related Accrual
     Period shall


                                      -42-

<PAGE>

     be the arithmetic mean of such offered quotations (rounded upwards if
     necessary to the nearest whole multiple of 0.03125%).

          (ii) If on such Interest Determination Date fewer than two Reference
     Banks provide such offered quotations, One-Month LIBOR for the related
     Accrual Period shall be the higher of (i) One-Month LIBOR as determined on
     the previous Interest Determination Date and (ii) the Reserve Interest
     Rate.

     Opinion of Counsel: A written opinion of counsel who is or are acceptable
to the Trustee and who, unless required to be Independent (an "Opinion of
Independent Counsel"), may be internal counsel for the Master Servicer or the
Depositor.

     Optional Termination: The termination hereunder of that portion of the
Trust Fund related to the Certificates pursuant to Section 10.01(a) hereof.

     Optional Termination Amount: The amount received by the Securities
Administrator in connection with any purchase of all of the Mortgage Loans and
REO Properties pursuant to Section 10.01(b) hereof.

     Optional Termination Price: On any date after the Initial Optional
Termination Date, an amount equal to the sum of (A) the aggregate Stated
Principal Balance of each Mortgage Loan (other than any Mortgage Loan that has
become an REO Property) as of the Distribution Date on which the proceeds of the
Optional Termination are distributed to the Certificateholders, plus accrued
interest thereon at the applicable Mortgage Interest Rate as of the Due Date
preceding the Distribution Date on which the proceeds of the Optional
Termination are distributed to Certificateholders and the fair market value of
any REO Property, plus accrued interest thereon as of the Distribution Date on
which the proceeds of the Optional Termination are distributed to
Certificateholders, (B) any unreimbursed out-of-pocket costs and expenses, fees
and indemnity amounts owed to the Master Servicer, the Trustee or the Securities
Administrator (including any amounts incurred by the Securities Administrator in
connection with conducting the Auction), or the Company and any unpaid or
unreimbursed Servicing Fees, Advances and Servicing Advances, (C) any
unreimbursed costs, penalties and/or damages incurred by the Trust Fund in
connection with any violation relating to any of the Mortgage Loans of any
predatory or abusive lending law, (D) in the event an Auction has been
conducted, all reasonable fees and expenses incurred by the Securities
Administrator to conduct the Auction and (E) any unpaid Net Swap Payments, any
Swap Termination Payment and any other amounts owed to the Swap Counterparty and
determined in accordance with the Swap Agreement.

     Original Value: The lesser of (i) the Appraised Value or (ii) the sales
price of a Mortgaged Property at the time of origination of a Mortgage Loan,
except in instances where either clauses (i) or (ii) is unavailable, the other
may be used to determine the Original Value, or if both clauses (i) and (ii) are
unavailable, Original Value may be determined from other sources reasonably
acceptable to the Depositor.

     OTS: The Office of Thrift Supervision.


                                      -43-

<PAGE>

     Outstanding Mortgage Loan: With respect to any Due Date, a Mortgage Loan
which, prior to such Due Date, was not the subject of a Principal Prepayment in
Full, did not become a Liquidated Mortgage Loan and was not purchased or
replaced.

     Outstanding Principal Balance: As of the time of any determination, the
principal balance of a Mortgage Loan remaining to be paid by the Mortgagor, or,
in the case of an REO Property, the principal balance of the related Mortgage
Loan remaining to be paid by the Mortgagor at the time such property was
acquired by the Trust Fund less any Net Liquidation Proceeds with respect
thereto to the extent applied to principal.

     Overcollateralization Amount: As of any date of determination, the excess
of (1) the Stated Principal Balance of the Mortgage Loans over (2) the Class
Certificate Balance of the Certificates (other than the Class P Certificates and
the Class C Certificates).

     Ownership Interest: As to any Certificate, any ownership or security
interest in such Certificate, including any interest in such Certificate as the
Holder thereof and any other interest therein, whether direct or indirect, legal
or beneficial, as owner or as pledgee.

     Percentage Interest: With respect to any Certificate (other than the Class
R and Class P Certificates), a fraction, expressed as a percentage, the
numerator of which is the Initial Class Certificate Balance represented by such
Certificate and the denominator of which is the Initial Class Certificate
Balance of the related Class. With respect to the Class R and Class P
Certificates, the Percentage Interest evidenced thereby shall be as specified on
the face thereof, or otherwise, be equal to 100%.

     Periodic Rate Cap: With respect to each Mortgage Loan, the maximum
adjustment that can be made to the Mortgage Interest Rate on each Interest
Adjustment Date in accordance with its terms, regardless of changes in the
applicable Index.

     Permitted Investments: Any one or more of the following obligations or
securities held in the name of the Trustee for the benefit of the
Certificateholders (provided that such obligation or security must be a
"permitted investment" within the meaning of such term as provided for in
Section 860G(a)(5) of the Code):

          (i) direct obligations of, and obligations the timely payment of which
     are fully guaranteed by the United States of America or any agency or
     instrumentality of the United States of America the obligations of which
     are backed by the full faith and credit of the United States of America;

          (ii) (a) demand or time deposits, federal funds or bankers'
     acceptances issued by any depository institution or trust company
     incorporated under the laws of the United States of America or any state
     thereof (including the Trustee or the Master Servicer or its Affiliates
     acting in its commercial banking capacity) and subject to supervision and
     examination by federal and/or state banking authorities, provided that the
     commercial paper and/or the short-term debt rating and/or the long-term
     unsecured debt obligations of such depository institution or trust company
     at the time of such investment or contractual commitment providing for such
     investment have the Applicable Credit Rating or better


                                      -44-

<PAGE>

     from each Rating Agency and (b) any other demand or time deposit or
     certificate of deposit that is fully insured by the Federal Deposit
     Insurance Corporation;

          (iii) repurchase obligations with respect to (a) any security
     described in clause (i) above or (b) any other security issued or
     guaranteed by an agency or instrumentality of the United States of America,
     the obligations of which are backed by the full faith and credit of the
     United States of America, in either case entered into with a depository
     institution or trust company (acting as principal) described in clause
     (ii)(a) above where the Trustee holds the security therefor;

           (iv) securities bearing interest or sold at a discount issued by any
     corporation (including the Trustee, the Securities Administrator or the
     Master Servicer or its Affiliates) incorporated under the laws of the
     United States of America or any state thereof that have the Applicable
     Credit Rating or better from each Rating Agency at the time of such
     investment or contractual commitment providing for such investment;
     provided, however, that securities issued by any particular corporation
     will not be Permitted Investments to the extent that investments therein
     will cause the then outstanding principal amount of securities issued by
     such corporation and held as part of the Issuing Entity to exceed 10% of
     the aggregate Outstanding Principal Balances of all the Mortgage Loans and
     Permitted Investments held as part of the Issuing Entity;

          (v) commercial paper (including both non-interest-bearing discount
     obligations and interest-bearing obligations payable on demand or on a
     specified date not more than one year after the date of issuance thereof)
     having the Applicable Credit Rating or better from each Rating Agency at
     the time of such investment;

          (vi) a Reinvestment Agreement issued by any bank, insurance company or
     other corporation or entity;

          (vii) any other demand, money market or time deposit, obligation,
     security or investment as may be acceptable to either Rating Agency as
     evidenced in writing by each Rating Agency to the Trustee, the Securities
     Administrator or Master Servicer;

          (viii) any money market or common trust fund having the Applicable
     Credit Rating or better from each Rating Agency (if such fund is rated by
      each such Rating Agency), including any such fund for which the Trustee,
     Securities Administrator or Master Servicer or any affiliate of the
     Trustee, Securities Administrator or Master Servicer acts as a manager or
     an advisor; provided, however, that no instrument or security shall be a
     Permitted Investment if such instrument or security evidences a right to
     receive only interest payments with respect to the obligations underlying
     such instrument or if such security provides for payment of both principal
     and interest with a yield to maturity in excess of 120% of the yield to
     maturity at par or if such instrument or security is purchased at a price
     greater than par; and

          (ix) units of a taxable money-market portfolio having the highest
     rating assigned by each Rating Agency (except if S&P is a Rating Agency,
     "AAAm" or "AAAM-G" by S&P) and restricted to obligations issued or
     guaranteed by the United States of America or entities whose obligations
     are backed by the full faith and credit of


                                      -45-

<PAGE>

     the United States of America and repurchase agreements collateralized by
     such obligations.

     Permitted Transferee: Any Person other than a Disqualified Organization or
an "electing large partnership" (as defined by Section 775 of the Code).

     Person: Any individual, corporation, partnership, joint venture,
association, limited liability company, joint-stock company, trust,
unincorporated organization or government or any agency or political subdivision
thereof.

     Physical Certificate: The Residual Certificate.

     Pooling and Servicing Agreement: The Pooling and Servicing Agreement
relating to the Mortgage Pass-Through Certificates, MANA Series 2007-OAR2.

     Posted Collateral: Collateral posted pursuant to and in accordance with the
terms and provisions of the Swap Agreement or Corridor Contract, as applicable.

     Prepayment Charge: Any prepayment premium or fee payable by a Mortgagor in
connection with any Principal Prepayment on a Mortgage Loan pursuant to the
terms of the related Mortgage Note or Mortgage, as applicable.

     Prepayment Charge Mortgage Loans: Any of the Mortgage Loans that are
subject to existing prepayment charges.

     Prepayment Interest Excess: With respect to any Servicer Remittance Date,
for each Mortgage Loan that was the subject of a Principal Prepayment in Full
during the portion of the related Prepayment Period occurring between the first
day of the calendar month in which such Servicer Remittance Date occurs and the
last day of the related Prepayment Period, an amount equal to interest (to the
extent received) at the applicable Net Mortgage Rate on the amount of such
Principal Prepayment for the number of days commencing on the first day of the
calendar month in which such Servicer Remittance Date occurs and ending on the
date on which such Principal Prepayment is so applied.

     Prepayment Interest Shortfall: As to any Distribution Date and any Mortgage
Loan (other than a Mortgage Loan relating to an REO Property) that was the
subject of (a) a Principal Prepayment in Full during the related Prepayment
Period, an amount equal to the excess of one month's interest at the Net
Mortgage Rate on the Stated Principal Balance of such Mortgage Loan over the
amount of interest (adjusted to the Net Mortgage Rate) paid by the Mortgagor for
such Prepayment Period to the date of such Principal Prepayment in Full or (b) a
Curtailment during the prior calendar month, an amount equal to one month's
interest at the Net Mortgage Rate on the amount of such Curtailment. The
obligations of the Master Servicer and the Servicers in respect of any
Prepayment Interest Shortfall are set forth in Section 6.05 and Section 13.23.

     Prepayment Period: With respect to any Mortgage Loan and any Distribution
Date, with respect to prepayments and other payments received in connection
therewith, and (i) with respect to IndyMac Bank, F.S.B., the period from and
including the 2nd day of the calendar


                                      -46-

<PAGE>

month preceding the month in which such Distribution Date occurs (or, in the
case of the first Distribution Date, beginning on the Cut-off Date) and
including the 1st day of the calendar month in which such Distribution Date
occurs, (ii) with respect to Countrywide Home Loans, Inc. for Principal
Prepayments in Full and Curtailments and with respect to the Company for
Curtailments, the calendar month preceding the month in which such Distribution
Date occurs (or, in the case of the first Distribution Date, beginning on the
Cut-off Date), or (iii) with respect to the Company for Principal Prepayments in
Full, the period from and including the 15th day of the calendar month preceding
the month in which such Distribution Date occurs (or, in the case of the first
Distribution Date, beginning on the Cut-off Date) and including the 14th day of
the calendar month in which such Distribution Date occurs.

     Primary Mortgage Insurance Policy: Any primary mortgage guaranty insurance
policy issued in connection with a Mortgage Loan which provides compensation to
a Mortgage Note holder in the event of default by the obligor under such
Mortgage Note or the related Security Instrument, if any or any replacement
policy therefor through the related Accrual Period for such Class relating to a
Distribution Date.

     Principal Distribution Amount: with respect to each Distribution Date, the
sum of (1) the Principal Funds for such Distribution Date and (2) any Extra
Principal Distribution Amount for such Distribution Date.

     Principal Funds: With respect to any Distribution Date and the Mortgage
Loans, the sum, without duplication, of (1) the principal due during the related
Due Period and received before the related Servicer Remittance Date or advanced
by the Servicers as an Advance on or before the related Servicer Remittance
Date, (2) Principal Prepayments in Full collected in the related Prepayment
Period, (3) the Stated Principal Balance of each Mortgage Loan that was
purchased by the Depositor or the applicable Servicer during the related
Prepayment Period or, in the case of a purchase in connection with an optional
termination, on the Business Day prior to such Distribution Date, (4) the
amount, if any, by which the aggregate unpaid principal balance of any
replacement Mortgage Loans is less than the aggregate unpaid principal balance
of any Mortgage Loans delivered by the Sponsor during the related Prepayment
Period in connection with a substitution of a Mortgage Loan, (5) all Liquidation
Proceeds applicable to the related Prepayment Period (to the extent such
Liquidation Proceeds related to principal), (6) all Subsequent Recoveries
received applicable to the related Prepayment Period and (7) all other
collections and recoveries in respect of principal applicable to the related
Prepayment Period and less (A) all non-recoverable Advances relating to
principal and all non-recoverable Servicing Advances reimbursed during the
applicable reimbursement period, (B) indemnification amounts and expenses
reimbursable to the Trustee, Securities Administrator, Master Servicer and the
Servicers hereunder and (C) the lesser of (i) the aggregate amount of items (2),
(3), (4) and (5) above collected during the related Prepayment Period and (ii)
the aggregate amount of Negative Amortization during the related Prepayment
Period.

     Principal Prepayment: Any Principal Prepayment in Full or Curtailment or
other recovery of principal on a Mortgage Loan which is received in advance of
its scheduled Due Date to the extent that it is not accompanied by an amount as
to interest representing scheduled interest due on any date or dates in any
month or months subsequent to the month of prepayment, including Insurance
Proceeds and Repurchase Proceeds, but excluding the principal portion of Net
Liquidation Proceeds.


                                      -47-


<PAGE>

     Principal Prepayment in Full: Any Principal Prepayment made by a Mortgagor
of the entire unpaid principal balance of the Mortgage Loan.

     Prospectus Supplement: The Prospectus Supplement dated March 28, 2007,
relating to the public offering of the Offered Certificates.

     Protected Account: An account established and maintained for the benefit of
Certificateholders by each Servicer with respect to the related Mortgage Loans
and with respect to REO Property pursuant to this Agreement and designated
"[Name of Servicer], as servicer for Wells Fargo Bank, N.A., in trust for
registered holders of Merrill Lynch Alternative Note Asset Trust, Mortgage
Pass-Through Certificates, Series 2007-OAR2." The Protected Account shall be an
Eligible Account. Funds in a Protected Account shall be held in trust for the
Certificateholders for the uses and purposes set forth in this Agreement and the
Applicable Servicing Agreements.

     PUD: A Planned Unit Development.

     Purchase Price: With respect to any Mortgage Loan or REO Property to be
purchased pursuant to or as contemplated by Section 2.03 or 10.01, and as
confirmed by an Officers' Certificate from the Master Servicer to the Trustee,
an amount equal to the sum of (i) 100% of the Stated Principal Balance thereof
as of the date of purchase (or such other price as provided in Section 10.01),
(ii) accrued interest on such Stated Principal Balance at the applicable
Mortgage Interest Rate in effect from time to time from the Due Date as to which
interest was last covered by a payment by the Mortgagor or an advance by the
applicable Servicer or Master Servicer, which payment or advance had as of the
date of purchase been distributed to Certificateholders, through the end of the
calendar month in which the purchase is to be effected less any unreimbursed
Advances and any unpaid Servicing Fees payable to the purchaser of the Mortgage
Loan and (iii) any costs and damages incurred by the Issuing Entity in
connection with any violation by such Mortgage Loan or REO Property of any
predatory or abusive-lending law.

     Qualified Servicer: Any servicer with a servicer rating by each of the
Rating Agencies equal to or better than the servicer rating of the Company at
the time of any such servicing transfer.

     Rating Agencies: Moody's, and S&P.

     Rating Agency Condition: As defined in the Swap Agreement.

     Realized Loss: With respect to a Liquidated Mortgage Loan, the amount by
which the remaining unpaid principal balance of the Mortgage Loan exceeds the
amount of Net Liquidation Proceeds applied to the principal balance of the
related Mortgage Loan. To the extent the Master Servicer receives Subsequent
Recoveries with respect to any Mortgage Loan, the amount of the Realized Loss
with respect to that Mortgage Loan will be reduced to the extent such recoveries
are applied to reduce the Class Certificate Balance of any Class of Certificates
on any Distribution Date.

     Realized Loss Amount: With respect to any Distribution Date, the amount, if
any, by which the aggregate Class Certificate Balance of the Certificates after
distributions of principal


                                       -48-

<PAGE>

on such Distribution Date exceeds the aggregate Stated Principal Balance of the
Mortgage Loans as of such Distribution Date.

     Record Date: With respect to each Distribution Date and each class of
Offered Certificates, the close of business on the last Business Day of the
month immediately preceding the month in which the related Distribution Date
occurs (or the Closing Date in the case of the first Distribution Date).

     Regular Certificates: Any of the Class A-1, Class A-2, Class A-3, Class
M-1, Class M-2, Class M-3, Class M-4, Class M-5, Class M-6, Class B-1, Class B-2
or Class B-3 Certificates.

     Regulation AB: Subpart 22.1100 - Asset Backed Securities (Regulation AB),
17 C.F.R. Sections 229.1100-229.1123, as such may be amended from time to time,
and subject to such clarification and interpretation as have been provided by
the Commission in the adopting release (Asset-Backed Securities, Securities Act
Release No. 33-8518, 70 Fed Reg. 1,506-1,631 (January 7, 2005) or by the staff
of the Commission, or as may be provided by the Commission or its staff from
time to time.

     Reinvestment Agreements: One or more reinvestment agreements, acceptable to
each of the Rating Agencies, from a bank, insurance company or other corporation
or entity (including the Trustee).

     Related Certificates: For each interest in the Upper Tier REMIC, the Class
of Certificates listed on the same row in the table entitled "Upper Tier REMIC"
in the Preliminary Statement.

     Relevant Servicing Criteria: The Servicing Criteria applicable to the
various parties, as set forth on Exhibit K hereto. For clarification purposes,
multiple parties can have responsibility for the same Relevant Servicing
Criteria. With respect to a Servicing Function Participant engaged by the Master
Servicer, the Securities Administrator, the Trustee, the Custodian or a
Servicer, the term "Relevant Servicing Criteria" may refer to one or more
discrete functions specified in the Relevant Servicing Criteria applicable to
such parties.

     Relief Act: The Servicemembers Civil Relief Act, as amended, or similar
state statute.

     Relief Act Mortgage Loan: Any Mortgage Loan as to which the Monthly Payment
or portion thereof has been reduced or postponed due to the application of the
Relief Act.

     Relief Act Shortfall: With respect to any Distribution Date and any
Mortgage Loan, any reduction in the amount of interest or principal collectible
on such Mortgage Loan for the most recently ended calendar month as a result of
the application of the Relief Act.

     REMIC: Each pool of assets in the Trust Fund designated as a REMIC as
described in the Preliminary Statement and Section 9.12.

     REMIC 1: Not applicable.

     REMIC 1 Interest: Not applicable.


                                       -49-

<PAGE>

     REMIC 1 Regular Interest: Not applicable.

     REMIC 1 Subordinate Balance Ratio: Not applicable.

     REMIC 2: Not applicable.

     REMIC 2 Interest: Not applicable.

     REMIC 2 Regular Interest: Not applicable.

     REMIC Opinion: An Opinion of Counsel to the effect that a contemplated
action will neither adversely affect the status as a REMIC of any REMIC created
hereunder nor subject any such REMIC to any tax under the REMIC Provisions.

     REMIC Pass-Through Rate: In the case of a Class of the Senior Certificates,
Class M Certificates and Class B Certificates, the Upper Tier REMIC Net WAC Cap
for the Corresponding REMIC Regular Interest.

     REMIC Provisions: The provisions of the federal income tax law relating to
real estate mortgage investment conduits, which appear at Sections 860A through
860G of Subchapter M of Chapter 1 of the Code, and related provisions, and
regulations, including proposed regulations and rulings, and administrative
pronouncements promulgated thereunder, as the foregoing may be in effect from
time to time.

     REMIC Regular Interests: Each of the interests in the Upper Tier REMIC as
set forth in the Preliminary Statement other than the Residual Interest.

     REMIC Swap Rate: For each Distribution Date (and the related Accrual
Period), a per annum rate equal to the Fixed Rate under the Swap Agreement for
such Distribution Date, as set forth in the Prospectus Supplement.

     REO Property: A Mortgaged Property acquired by a Servicer or Master
Servicer on behalf of the Trust Fund through foreclosure or deed-in-lieu of
foreclosure, as described in Section 3.15 in connection with a defaulted
Mortgage Loan.

     Reportable Event: As defined in Section 3.18(a).

     Reporting Servicer: As defined in Section 3.18(h).

     Repurchase Proceeds: The Repurchase Price in connection with any repurchase
of a Mortgage Loan by the Sponsor and any cash deposit in connection with the
substitution of a Mortgage Loan.

     Request for Release: A request for release in the form attached hereto as
Exhibit D.

     Required Insurance Policy: With respect to any Mortgage Loan, any insurance
policy which is required to be maintained from time to time under this Agreement
with respect to such Mortgage Loan.


                                      -50-

<PAGE>

     Required Percentage: With respect to a Distribution Date, the quotient of
(x) the excess of (1) the aggregate Stated Principal Balance of the Mortgage
Loans, prior to giving effect to distributions to be made on such Distribution
Date over (2) the Class Certificate Balance of the most senior class of
Certificates outstanding as of such Distribution Date, prior to giving effect to
distributions to be made on such Distribution Date, and (y) the Stated Principal
Balances of the Mortgage Loans, prior to giving effect to distributions to be
made on such Distribution Date. As used herein, the Class Certificate Balance of
the most senior class of Certificates will equal the aggregate Class Certificate
Balance of the Senior Certificates as of such date of calculation.

     Reserve Interest Rate: The rate per annum that the Securities Administrator
determines to be either (1) the arithmetic mean (rounded upwards if necessary to
the nearest whole multiple of 0.03125%) of the one-month United States dollar
lending rates which New York City banks selected by the Securities Administrator
are quoting on the relevant Interest Determination Date to the principal London
offices of leading banks in the London interbank market or (2) in the event that
the Securities Administrator can determine no such arithmetic mean, the lowest
one-month United States dollar lending rate which New York City banks selected
by the Securities Administrator are quoting on such Interest Determination Date
to leading European banks.

     Residual Certificate: The Class R Certificate.

     Residual Interest: An interest in the Upper Tier REMIC that is entitled to
all distributions of principal and interest on the Class R Certificate other
than (i) distributions in respect of the Class SWR Interest and the Class LTR
Interest and (ii) distributions on the Class R Certificate in respect of Excess
Interest.

     Responsible Officer: Any officer assigned to the Corporate Trust Office (or
any successor thereto), including any Vice President, Assistant Vice President,
Trust Officer, any Assistant Secretary, any trust officer or any other officer
of the Trustee or Securities Administrator customarily performing functions
similar to those performed by any of the above designated officers and having
direct responsibility for the administration of this Agreement, and any other
officer of the Trustee or Securities Administrator to whom a matter arising
hereunder may be referred because of such officers familiarity with the subject
matter thereof.

     Reuter's Screen LIBO Page: The display designated as page "LIBO" on the
Reuters Monitor Money Rates Service (or such other page as may replace the LIBO
page on that service for the purpose of displaying London interbank offered
rates of major banks).

     Sarbanes-Oxley Act: The Sarbanes-Oxley Act of 2002 and the rules and
regulations of the Commission promulgated thereunder (including any
interpretations thereof by the Commission's staff).

      Sarbanes-Oxley Certification: A written certification signed by an officer
of the Master Servicer that complies with (i) the Sarbanes-Oxley Act, and (ii)
Exchange Act Rules 13a-14(d) and 15d-14(d), as in effect from time to time;
provided that if, after the Closing Date (a) the Sarbanes-Oxley Act is amended,
(b) the Rules referred to in clause (ii) are modified or superseded by any
subsequent statement, rule or regulation of the Commission or any statement of a
division thereof, or (c) any future releases, rules and regulations are
published by the Commission from time to time pursuant to the Sarbanes-Oxley
Act, which in any such case


                                      -51-

<PAGE>

affects the form or substance of the required certification and results in the
required certification being, in the reasonable judgment of the Master Servicer,
materially more onerous that then form of the required certification as of the
Closing Date, the Sarbanes-Oxley Certification shall be as agreed to by the
Master Servicer and the Depositor following a negotiation in good faith to
determine how to comply with any such new requirements.

     S&P: Standard and Poor's, a division of The McGraw-Hill Companies, Inc. or
its successor in interest.

     Scheduled Payment: With respect to any Mortgage Loan and any month, the
scheduled payment or payments of principal and interest due during such month on
such Mortgage Loan which either is payable by a Mortgagor in such month under
the related Mortgage Note or, in the case of REO Property, would otherwise have
been payable under the related Mortgage Note as a Minimum Payment.

     Scheduled Principal: The principal portion of any Scheduled Payment.

     Securities Act: The Securities Act of 1933, as amended.

     Securities Administrator: Wells Fargo Bank, N.A., or any successor in
interest, or any successor securities administrator appointed as herein
provided.

     Security Agreement: With respect to a Cooperative Loan, the agreement
creating a security interest in favor of the originator in the related
Cooperative Stock.

     Security Instrument: A written instrument creating a valid first lien on a
Mortgaged Property securing a Mortgage Note, which may be any applicable form of
mortgage, deed of trust, deed to secure debt or security deed, including any
riders or addenda thereto.

     Senior Class Certificate Balance: As of any date of determination, the sum
of the Class A-1 Class Certificate Balance, the Class A-2 Class Certificate
Balance, the Class A-3 Class Certificate Balance and the Class R Class
Certificate Balance.

     Senior Certificates: Any of the Class A-1 Certificates, the Class A-2
Certificates, the Class A-3 Certificates and the Class R Certificates.

     Senior Principal Distribution Amount: (1) With respect to any Distribution
Date prior to the related Stepdown Date or as to which a Stepdown Trigger Event
exists, 100% of the Principal Distribution Amount for such Distribution Date and
(2) with respect to any Distribution Date on or after the Stepdown Date and as
to which a Stepdown Trigger Event does not exist, the excess of (A) the Class
Certificate Balance of the Senior Certificates after the allocation of Deferred
Interest, if any, for each Distribution Date and immediately prior to such
Distribution Date over (B) the lesser of (i) (a) for each Distribution Date on
or prior to March 2013, 85.000% of the aggregate Stated Principal Balance of the
Mortgage Loans as of such Distribution Date and (b) for each Distribution Date
after March 2013, 88.000% of the aggregate Stated Principal Balance of the
Mortgage Loans as of such Distribution Date and (ii) the excess of the aggregate
Stated Principal Balance of the Mortgage Loans as of such Distribution Date over
the Minimum Required Overcollateralization Amount; provided, however, that in no
event will the Senior


                                      -52-

<PAGE>

Principal Distribution Amount with respect to any Distribution Date exceed the
aggregate Class Certificate Balance of the Senior Certificates.

     Servicer: With respect to (i) each Mortgage Loan serviced by the Company as
specified on the Mortgage Loan Schedule, the Company, (ii) each Mortgage Loan
serviced by IndyMac Bank, F.S.B. as specified on the Mortgage Loan Schedule,
IndyMac Bank F.S.B. and (iii) each Mortgage Loan serviced by Countrywide Home
Loans, Inc. as specified on the Mortgage Loan Schedule, Countrywide Home Loans,
Inc., and their respective successors and assigns.

     Servicer Event of Default: As defined in Section 15.01.

     Servicer Remittance Date: With respect to (A) the Company, the later of (x)
two Business Days after the 15th day of the month in which such Distribution
Date occurs and (y) the 18th day (or if such 18th is not a Business Day, the
immediately preceding Business Day) of the month in which the related
Distribution occurs or (B) IndyMac Bank, F.S.B. or Countrywide Home Loans, Inc.,
the 18th day of each month or, if such 18th day is not a Business Day, on the
immediately preceding Business Day of the month in which the related
Distribution Date occurs.

     Servicing Advances: All customary, reasonable and necessary "out of pocket"
costs and expenses incurred in the performance by a Servicer of its servicing
obligations hereunder, including, but not limited to, the cost of (1) the
preservation, inspection, restoration and protection of a Mortgaged Property,
including without limitation advances in respect of prior liens, real estate
taxes and assessments, (2) any collection, enforcement or judicial proceedings,
including without limitation foreclosures, collections and liquidations, (3) the
conservation, management, sale and liquidation of any REO Property, (4)
executing and recording instruments of satisfaction, deeds of reconveyance,
substitutions of trustees on deeds of trust or Assignments of Mortgage to the
extent not otherwise recovered from the related Mortgagors or payable under this
Agreement, (5) correcting errors of prior servicers; costs and expenses charged
to such Servicer by the Trustee; tax tracking; title research; flood
certifications; and lender paid mortgage insurance, (6) obtaining or correcting
any legal documentation required to be included in the Mortgage Files and
reasonably necessary for the Servicer to perform its obligations under this
Agreement and (7) compliance with the obligations under Sections 13.01 and
13.10.

     Servicing Criteria: The "servicing criteria" set forth in Item 1122(d) of
Regulation AB, as such may be amended from time to time.

     Servicing Fee: As to any Mortgage Loan and Distribution Date, an amount
equal to the product of (i) the Stated Principal Balance of such Mortgage Loan
as of the preceding Distribution Date and (ii) the applicable Servicing Fee
Rate. Such fee shall be payable monthly, computed on the basis of the same
principal amount and period respectively which any related interest payment on a
Mortgage Loan is computed. If the Index and/or Gross Margin are adjusted as
provided in the related Mortgage Note, the Servicing Fee shall be the rate per
annum in effect immediately prior to such adjustment.

     Servicing Fee Rate: 0.375% per annum.

     Servicing Function Participant: Any Subservicer, Subcontractor or any other
Person engaged by a Servicer, the Custodian, the Master Servicer, the Paying
Agent, the Securities


                                      -53-

<PAGE>

Administrator or the Trustee required by Regulation AB to provide an Assessment
of Compliance and an Accountant's Attestation.

     Servicing Officer: Any officer of the Master Servicer involved in, or
responsible for, the administration and servicing of the Mortgage Loans whose
names and specimen signatures appear on a list of servicing officers furnished
to the Trustee by the Master Servicer, as such list may be amended from time to
time.

     Servicing Rights Owner: With respect to each Mortgage Loan serviced by the
Company as specified on the Mortgage Loan Schedule, MLML, or its transferee or
assignee, in its capacity as owner of the servicing rights.

     Significance Estimate: With respect to any Distribution Date, and in
accordance with Item 1115 of Regulation AB, shall be an amount determined based
on the reasonable good-faith estimate by the Depositor or its affiliate (and
reported to the Securities Administrator) of the aggregate maximum probable
exposure of the outstanding Certificates to the Swap Agreement and the Corridor
Contract, as applicable.

     Significance Percentage: With respect to any Distribution Date, and in
accordance with Item 1115 of Regulation AB, shall be a percentage equal to the
Significance Estimate divided by the aggregate outstanding Stated Principal
Balance of the Mortgage Loans, prior to the distribution of the Principal
Distribution Amount on such Distribution Date.

     Sponsor: Merrill Lynch Mortgage Lending, Inc., a Delaware corporation, or
any successor in interest.

     Startup Day: The Closing Date.

     Stated Principal Balance: With respect to any Mortgage Loan and
Distribution Date, the unpaid principal balance of such Mortgage Loan as of the
Due Date in the related Due Period, as specified in the amortization schedule at
the time relating thereto (before any adjustment to such amortization schedule
by reason of any moratorium or similar waiver or grace period), after giving
effect to any previous partial prepayments and Net Liquidation Proceeds received
and to the payment of principal due on such Due Date and irrespective of any
delinquency in payment by the related Mortgagor and as increased by the amounts
of any Negative Amortization with respect to such Mortgage Loan after the
Cut-off Date through the Due Date in the related Due Period. With respect to any
Mortgage Loan and the Cut-off Date, the Cut-off Date Principal Balance thereof.

     Stepdown Date: The earlier of: (A) the first Distribution Date on which the
aggregate Class Certificate Balance of the Senior Certificates has been reduced
to zero and (B) the first Distribution Date on which the aggregate Class
Certificate Balance of the Senior Certificates (after giving effect to
distributions of the Principal Funds amount for such Distribution Date) is less
than or equal to (i) 85.000% of the aggregate Stated Principal Balance of the
Mortgage Loans (if such Distribution Date is on or prior to March 2013) or (ii)
88.000% of the aggregate Stated Principal Balance of the Mortgage Loans (if such
Distribution Date is on or after March 2013); notwithstanding the foregoing, the
Stepdown Date calculated pursuant to clause (B) shall not occur prior to April
2010.


                                       -54-

<PAGE>

     Stepdown Required Loss Percentage: For any Distribution Date, the
applicable percentage for such Distribution Date set forth in the following
table:

<TABLE>
<CAPTION>
DISTRIBUTION DATE            STEPDOWN REQUIRED
OCCURRING IN                  LOSS PERCENTAGE
-----------------            ----------------
<S>                          <C>
April 2009 - March 2010      0.15% with respect to April 2009, plus an additional
                            1/12th of 0.25% for each month thereafter

April 2010 - March 2011      0.40% with respect to April 2010, plus an additional
                            1/12th of 0.30% for each month thereafter

April 2011 - March 2012      0.70% with respect to April 2011, plus an additional
                             1/12th of 0.25% for each month thereafter

April 2012 - March 2013      0.95% with respect to April 2012, plus an additional
                            1/12th of 0.40% for each month thereafter

April 2013 - March 2014      1.35% with respect to April 2013, plus an additional
                            1/12th of 0.10% for each month thereafter

April 2014 and thereafter    1.45%
</TABLE>

     Stepdown Trigger Event: The situation that exists with respect to any
Distribution Date on or after the Stepdown Date, if (a) the quotient of (1) the
aggregate Stated Principal Balance of all Mortgage Loans 60 or more days
delinquent, measured on a rolling three-month basis (including Mortgage Loans in
foreclosure, REO Properties and Mortgage Loans with respect to which the
applicable mortgagor is in bankruptcy) and (2) the Stated Principal Balance of
all of the Mortgage Loans as of the preceding Servicer Remittance Date, equals
or exceeds the product of 40.00% and (ii) the Required Percentage or (b) the
quotient (expressed as a percentage) of (1) the aggregate Realized Losses
incurred from the Cut-off Date through the last day of the calendar month
preceding such Distribution Date and (2) the aggregate principal balance of the
Mortgage Loans as of the Cut-off Date exceeds the Stepdown Required Loss
Percentage.

     Subcontractor: Any vendor, subcontractor or other Person that is not
responsible for the overall servicing of Mortgage Loans but performs one or more
discrete functions identified in Item 1122(d) of Regulation AB with respect to
Mortgage Loans under the direction or authority of any Servicer (or a
Subservicer of any Servicer), the Master Servicer, the Custodian or the
Securities Administrator.

     Subsequent Recoveries: Any amount recovered by a Servicer or the Master
Servicer (net of reimbursable expenses) with respect to a Liquidated Mortgage
Loan with respect to which a Realized Loss was incurred after the liquidation or
disposition of such Mortgage Loan.

     Subservicer: Any Person that services Mortgage Loans on behalf of a
Servicer, and is responsible for the performance (whether directly or through
subservicers or Subcontractors) of


                                      -55-

<PAGE>

servicing functions required to be performed under this Agreement or any
subservicing agreement that are identified in Item 1122(d) of Regulation AB.

     Subservicing Agreement: As defined in Section 13.02(a).

     Substitute Mortgage Loan: With respect to any Mortgage Loan, which is
tendered to the Trustee pursuant to this Agreement, the related Mortgage Loan
Purchase Agreement or Section 2.04 of this Agreement, as applicable, in each
case, (i) which has an Outstanding Principal Balance not greater nor materially
less than the Mortgage Loan for which it is to be substituted; (ii) which has a
Mortgage Interest Rate and Net Rate not less than, and not materially greater
than, such Mortgage Loan; (iii) which has a maturity date not materially earlier
or later than such Mortgage Loan and not later than the latest maturity date of
any Mortgage Loan; (iv) which is of the same property type and occupancy type as
such Mortgage Loan; (v) which has a Loan-to-Value Ratio not greater than the
Loan-to-Value Ratio of such Mortgage Loan; (vi) which is current in payment of
principal and interest as of the date of substitution; (vii) as to which the
payment terms do not vary in any material respect from the payment terms of the
Mortgage Loan for which it is to be substituted and (viii) which has a Gross
Margin, Periodic Rate Cap and Maximum Lifetime Mortgage Rate no less than those
of such Mortgage Loan, has the same Index and interval between Interest
Adjustment Dates as such Mortgage Loan, and a Minimum Lifetime Mortgage Rate no
lower than that of such Mortgage Loan.

     Subordinate Certificates: Any of the Class M and the Class B Certificates.

     Supplemental Interest Trust: The separate trust, established pursuant to
Section 6.01(m) of this Agreement and held by the Securities Administrator for
the benefit of the holders of the Certificates as a segregated subtrust of the
Trust Fund, (i) in which the Corridor Contract and the Swap Agreement will be
held, any Swap Termination Payments or Net Swap Payments received from the Swap
Counterparty will be deposited and any payments received from the Cap Contract
Counterparty pursuant to the Corridor Contract will be deposited as set forth in
Section 6.01 hereof and (ii) out of which certain distributions to the
Certificateholders will be made and any Swap Termination Payments or Net Swap
Payments owed to the Swap Counterparty will be paid.

     Supplemental Interest Trust Trustee: Wells Fargo Bank, N.A., a national
banking association, not in its individual capacity, but solely in its capacity
as trustee of the Supplemental Interest Trust for the benefit of the
Certificateholders under this Agreement, and any successor thereto, and any
corporation or national banking association resulting from or surviving any
consolidation or merger to which it or its successors may be a party and any
successor trustee as may from time to time be serving as successor trustee
hereunder.

     Swap Account: The separate Eligible Account created and maintained by the
Supplemental Interest Trust Trustee pursuant to Section 6.01(m) in the name of
the Supplemental Interest Trust Trustee for the benefit of the Supplemental
Interest Trust and designated "Wells Fargo Bank, N.A., as supplemental interest
trust trustee, in trust for registered holders of Merrill Lynch Alternative Note
Asset Trust, Series 2007-OAR2." Funds in the Swap Account shall be held in trust
for the Supplemental Interest Trust for the uses and purposes set forth in this
Agreement.


                                      -56-

<PAGE>

     Swap Agreement: The confirmation and agreement, including the schedule
thereto and the related credit support annex, between the Swap Counterparty and
the trustee of the Supplemental Interest Trust for the benefit of the
Certificateholders (attached as Exhibit R hereto) or any other swap agreement
(including any related schedules) held by the Supplemental Interest Trust
pursuant to Section 6.01(m) hereof.

     Swap Agreement Notional Balance: As defined in the Swap Agreement.

     Swap Counterparty: The Royal Bank of Scotland plc, or any successor
counterparty who meets the requirements set forth in the Swap Agreement.

     Swap LIBOR: With respect to any Distribution Date (and the related Accrual
Period) the product of (i) the Floating Rate Option (as defined in the Swap
Agreement for the related Swap Payment Date), (ii) two and (iii) the quotient of
(a) the actual number of days in the Accrual Period for the Lower Tier REMIC
Interests divided by (b) 30.

     Swap Payment Date: For so long as the Swap Agreement is in effect or
amounts remain unpaid thereunder, the Business Day (as defined in the Swap
Agreement) immediately preceding each Distribution Date.

     Swap Posted Collateral Account: The segregated Eligible Account created and
maintained by the Supplemental Interest Trust Trustee pursuant to Section
6.01(m) in the name of the Supplemental Interest Trust Trustee for the benefit
of the Supplemental Interest Trust and designated "Wells Fargo Bank, N.A., as
supplemental interest trust trustee, in trust for registered holders of Merrill
Lynch Alternative Note Asset Trust, Series 2007-OAR2." Funds in the Swap Posted
Collateral Account shall be held in trust for the Supplemental Interest Trust
for the uses and purposes set forth in the Swap Agreement.

     SWAP REMIC: As described in the Preliminary Statement.

     SWAP REMIC Interests: Each of the interests in the SWAP REMIC as set forth
in the Preliminary Statement.

     SWAP REMIC Regular Interests: Each of the SWAP REMIC Interests other than
the Class SWR Interest.

     Swap Termination Payment: Any payment payable by the Supplemental Interest
Trust or the Swap Counterparty upon termination of the Swap Agreement determined
in accordance with the Swap Agreement.

     Tax Matters Person: The Securities Administrator or any successor thereto
or assignee thereof shall serve as tax administrator hereunder and as agent for
the Tax Matters Person. The Holder of the Residual Certificates shall be the Tax
Matters Person for the related REMIC, as more particularly set forth in Section
9.12 hereof.

     Transfer: Any direct or indirect transfer or sale of any Ownership Interest
in a certificate.

     Transferor Representation Letter: As defined in Section 5.02(b).


                                      -57-

<PAGE>

     Trust Fund: The corpus of the Issuing Entity created pursuant to Article II
of this Agreement.

     Trustee: HSBC Bank USA, National Association, or its successor in interest,
or any successor trustee appointed as herein provided.

     Uncertificated Class C Interest: An uncertificated REMIC Regular Interest
having the characteristics described in the Preliminary Statement.

     Uninsured Cause: Any cause of damage to a Mortgaged Property or related REO
Property such that the complete restoration of such Mortgaged Property or
related REO Property is not fully reimbursable by the hazard insurance policies
required to be maintained pursuant to this Agreement, without regard to whether
or not such policy is maintained.

     United States Person: A citizen or resident of the United States, a
corporation or partnership (including an entity treated as a corporation or
partnership for federal income tax purposes) created or organized in, or under
the laws of, the United States or any state thereof or the District of Columbia
(except, in the case of a partnership, to the extent provided in regulations),
provided that, for purposes solely of the Class R Certificate, no partnership or
other entity treated as a partnership for United States federal income tax
purposes shall be treated as a United States Person unless all persons that own
an interest in such partnership either directly or through any entity that is
not a corporation for United States federal income tax purposes are United
States Persons, or an estate whose income is subject to United States federal
income tax regardless of its source, or a trust if a court within the United
States is able to exercise primary supervision over the administration of the
trust and one or more such United States Persons have the authority to control
all substantial decisions of the trust. To the extent prescribed in regulations
by the Secretary of the Treasury, which have not yet been issued, a trust which
was in existence on August 20, 1996 (other than a trust treated as owned by the
grantor under subpart E of part I of subchapter J of chapter 1 of the Code), and
which was treated as a United States person on August 20, 1996 may elect to
continue to be treated as a United States person notwithstanding the previous
sentence.

     Unpaid Realized Loss Amount: With respect to any class of the Subordinate
Certificates and as to any Distribution Date, the excess of (1) Applied Realized
Loss Amounts with respect to such class over (2) the sum of (x) all
distributions in reduction of the Unpaid Applied Realized Loss Amounts on all
previous Distribution Dates and (y) all increases in the Class Certificate
Balance of such class pursuant to the last sentence of the definition of "Class
Certificate Balance." Any amounts distributed to a class of Subordinate
Certificates in respect of any Unpaid Realized Loss Amount will not be applied
to reduce the Class Certificate Balance of such class.

     Upper Collar: With respect to each Distribution Date with respect to which
payments are received on the Corridor Contract, a rate equal to the lesser of
One-Month LIBOR and 10.261% per annum.

     Upper Tier REMIC: As described in the Preliminary Statement and Section
9.12.

     Upper Tier REMIC Net WAC Cap: For any Distribution Date, the Net Rate.


                                      -58-

<PAGE>

     Voting Rights: The portion of the voting rights of all of the Certificates
which is allocated to any Certificate. The Voting Rights allocated among Holders
of such Certificates outstanding shall be the fraction, expressed as a
percentage, the numerator of which is the aggregate Class Certificate Balance of
all the Certificates of such Class then outstanding and the denominator of which
is the aggregate Class Certificate Balance of all the Certificates then
outstanding (other than the Class R Certificate). 99.00% of all Voting Rights
will be allocated among all holders of the Certificates (other than the Class R
Certificate) in proportion to their then outstanding Class Certificate Balances,
and 1.00% of the Voting Rights shall be allocated to the Class R Certificate;
provided, however, that any Certificate registered in the name of the Master
Servicer, the Depositor or the Securities Administrator or any of their
respective affiliates shall not be included in the calculation of Voting Rights.
The Class P Certificates shall have no voting rights.

     Wells Fargo: Wells Fargo Bank, N.A., or any successor thereto.

     Wilshire: Wilshire Credit Corporation.

     Section 1.02 Accounting.

     Unless otherwise specified herein, for the purpose of any definition or
calculation, whenever amounts are required to be netted, subtracted or added or
any distributions are taken into account such definition or calculation and any
related definitions or calculations shall be determined without duplication of
such functions.

                                   ARTICLE II
                             CONVEYANCE OF MORTGAGE
                    LOANS; ORIGINAL ISSUANCE OF CERTIFICATES

     Section 2.01 Conveyance of Mortgage Loans to Trustee.

     (a) The Depositor concurrently with the execution and delivery of this
Agreement, sells, transfers and assigns to the Issuing Entity without recourse
all its right, title and interest in and to (i) the Mortgage Loans identified in
the Mortgage Loan Schedule, including all interest and principal due with
respect to the Mortgage Loans after the Cut-off Date, but excluding any payments
of principal and interest due on or prior to the Cut-off Date; (ii) such assets
as shall from time to time be credited or are required by the terms of this
Agreement or the Applicable Servicing Agreements to be credited to the Master
Servicer Collection Account, (iii) such assets relating to the Mortgage Loans as
from time to time may be held by the Servicers in Protected Accounts, the Master
Servicer in the Master Servicer Collection Account and the Securities
Administrator in the Distribution Account for the benefit of the Trustee on
behalf of the Certificateholders, (iv) any REO Property, (v) the Required
Insurance Policies and any amounts paid or payable by the insurer under any
Insurance Policy (to the extent the mortgagee has a claim thereto), (vi) the
Mortgage Loan Purchase Agreement to the extent provided in Section 2.03(a),
(vii) the Corridor Contract and Corridor Contract Account, (viii) the Swap
Agreement and Swap Account and (ix) any proceeds of the foregoing. Although it
is the intent of the parties to this Agreement that the conveyance of the
Depositor's right, title and interest in and to the Mortgage Loans and other
assets in the Trust Fund pursuant to this Agreement shall constitute a purchase
and sale and not a loan, in the event that such conveyance is deemed to be a
loan, it is


                                      -59-

<PAGE>

the intent of the parties to this Agreement that the Depositor shall be deemed
to have granted to the Trustee a first priority perfected security interest in
all of the Depositor's right, title and interest in, to and under the Mortgage
Loans and other assets in the Trust Fund, and that this Agreement shall
constitute a security agreement under applicable law.

     (b) In connection with the above transfer and assignment, the Depositor
hereby deposits with the Trustee or the Custodian, as its agent, the following
documents or instruments

(I) with respect to each Mortgage Loan, other than a Cooperative Loan:

          (i) the original Mortgage Note, endorsed in the following form: "Pay
     to the order of HSBC Bank USA, National Association, as Trustee for the
     registered holders of the Merrill Lynch Mortgage Investors, Inc., Mortgage
     Pass-Through Certificates, Series 2007-OAR2, without recourse," with all
     prior and intervening endorsements showing a complete chain of endorsement
     from the originator to the Person so endorsing to the Trustee;

          (ii) the original recorded Mortgage or a copy of the Mortgage
     certified by the public recording office in which such Mortgage has been
     recorded;

          (iii) an original Assignment of the Mortgage executed in the following
     form: "HSBC Bank USA, National Association, as Trustee for the registered
     holders of the Merrill Lynch Mortgage Investors, Inc., Mortgage
     Pass-Through Certificates, Series 2007-OAR2.

          (iv) the original recorded Assignment or Assignments of the Mortgage
     showing a complete chain of assignment from the originator to the Person
     assigning the Mortgage to the Trustee as contemplated by the immediately
     preceding clause (iii), if applicable and only to the extent available to
     the Depositor with evidence of recording thereon;

          (v) the originals of all assumption, modification, consolidation or
     extension agreements, with evidence of recording thereon, if any;

          (vi) the original of any guarantee executed in connection with the
     Mortgage Note;

          (vii) the original mortgagee title insurance policy;

          (viii) the original of any security agreement, chattel mortgage or
     equivalent document executed in connection with the Mortgage; and

          (ix) the original power of attorney, if applicable.

and (II) with respect to each Mortgage Loan that is a Cooperative Loan:

          (x) the original Mortgage Note, endorsed in the following form: "Pay
     to the order of HSBC Bank USA, National Association, as Trustee for the
     registered holders of the Merrill Lynch Mortgage Investors, Inc., Mortgage
     Pass-Through Certificates, Series


                                      -60-

<PAGE>

     2007-OAR2, without recourse," with all prior and intervening endorsements
     showing a complete chain of endorsement from the originator to the Person
     so endorsing to the Trustee;

          (xi) the original duly executed assignment of Security Agreement to
     the Trustee;

          (xii) the acknowledgment copy of the original executed Form UCC-1 (or
     certified copy thereof) with respect to the Security Agreement, and any
     required continuation statements;

          (xiii) the acknowledgment copy of the original executed Form UCC-3
     with respect to the Security Agreement, indicating the Trustee as the
     assignee of the secured party;

          (xiv) the stock certificate representing the Cooperative Assets
     allocated to the cooperative unit, with a stock power in blank attached;

          (xv) the original collateral assignment of the proprietary lease by
     Mortgagor to the originator;

          (xvi) a copy of the recognition agreement;

          (xvii) if applicable and to the extent available, the original
     intervening assignments, including warehousing assignments, if any,
     showing, to the extent available, an unbroken chain of the related Mortgage
     Loan to the Trustee, together with a copy of the related Form UCC-3 with
     evidence of filing thereon; and

          (xviii) the originals of each assumption, modification or substitution
     agreement, if any, relating to the Mortgage Loan;

provided, however, that in lieu of the foregoing, the Depositor may deliver the
following documents, under the circumstances set forth below: (w) the Depositor
may deliver a Mortgage Note pursuant to (a)(i) and (b)(i) endorsed in blank,
provided that the endorsement is completed within 60 days of the Closing Date;
(x) in lieu of the original Mortgage, assignments to the Trustee or its
Custodian, as applicable, or intervening assignments thereof which have been
delivered, are being delivered or will, upon receipt of recording information
relating to the Mortgage required to be included thereon, be delivered to
recording offices for recording and have not been returned to the Depositor in
time to permit their delivery as specified above, the Depositor may deliver a
true copy thereof with a certification by the Depositor on the face of such
copy, substantially as follows: "Certified to be a true and correct copy of the
original, which has been transmitted for recording"; and (y) in lieu of the
Mortgage, assignment to the Trustee or intervening assignments thereof, if the
applicable jurisdiction retains the originals of such documents (as evidenced by
a certification from the Depositor or the Master Servicer, to such effect) the
Depositor may deliver photocopies of such documents containing an original
certification by the judicial or other governmental authority of the
jurisdiction where such documents were recorded; and provided, further, however,
that in the case of Mortgage Loans which have been prepaid in full after the
Cut-off Date and prior to the Closing Date, the


                                       -61-

<PAGE>

Depositor, in lieu of delivering the above documents, may deliver to the Trustee
or its Custodian, as applicable, a certification to such effect and shall
deposit all amounts paid in respect of such Mortgage Loans in the Distribution
Account on the Closing Date. The Depositor shall deliver such original documents
(including any original documents as to which certified copies had previously
been delivered) to the Trustee or its Custodian, as applicable, promptly after
they are received. As of the date hereof, recordation of the assignment of the
Mortgage Loans to the Trustee or the Custodian, as applicable, is not required
in any state by either Rating Agency to obtain the initial rating on the
Certificates (upon which statement the Master Servicer, the Trustee and the
Custodian may each conclusively rely).

     If any original Mortgage Note referred to in Section 2.01(b)(I)(i) or
2.01(b)(II)(i) above cannot be located, the obligations of the Depositor to
deliver such documents shall be deemed to be satisfied upon delivery to the
Trustee or its Custodian, as applicable, of a photocopy of such Mortgage Note,
if available, with a lost note affidavit. If any of the original Mortgage Notes
for which a lost note affidavit was delivered to the Trustee or its Custodian,
as applicable, is subsequently located, such original Mortgage Note shall be
delivered to the Trustee or its Custodian, as applicable, within three Business
Days.

     (c) The parties hereto agree that it is not intended that any mortgage loan
be included in the Trust Fund that is, without limitation, a "High Cost Loan" as
defined by the Home Ownership and Equity Protection Act of 1994 or any other
applicable anti-predatory lending laws, including but not limited to (i) a
"High-Cost Home Loan" as defined in the New Jersey Home Ownership Act effective
November 27, 2003, (ii) a "High-Cost Home Loan" as defined in the New Mexico
Home Loan Protection Act effective January 1, 2004, (iii) a "High Cost Home
Mortgage Loan" as defined in the Massachusetts Predatory Home Loan Practices Act
effective November 7, 2004 or (iv) a "High-Cost Home Loan" as defined by the
Indiana High Cost Home Loan Law effective January 1, 2005.

     (d) Notwithstanding anything to the contrary contained herein, the parties
hereto acknowledge that the functions of the Trustee with respect to the
custody, acceptance, inspection and release of Mortgage Files, including but not
limited to certain insurance policies and documents contemplated by Section 3.12
of this Agreement, and preparation and delivery of the certifications shall be
performed by the Custodian(s) pursuant to the terms and conditions of the
Custodial Agreement(s).

     Section 2.02 Acceptance of Mortgage Loans by Trustee.

     (a) The Trustee acknowledges the sale, transfer and assignment of the Trust
Fund to it by the Depositor and its receipt thereof, subject to further review
and the exceptions which may be noted pursuant to the procedures described
below, and declares that it, or the Custodian on its behalf, holds the documents
(or certified copies thereof) delivered to it pursuant to Section 2.01,
including a Corridor Contract (the form of which are attached hereto as Exhibit
N), and declares that it will continue to hold those documents and any
amendments, replacements or supplements thereto and all other assets of the
Trust Fund delivered to it as Trustee in trust for the use and benefit of all
present and future Holders of the Certificates. On or before the Closing Date
(or, with respect to any Substitute Mortgage Loan, within five Business Days
after the receipt by the Trustee or Custodian thereof), the Trustee agrees, for
the benefit of the Certificateholders, to review or cause to be reviewed by the
Custodian on its behalf (under the


                                       -62-

<PAGE>

Custodial Agreement), each Mortgage File delivered to it and to execute and
deliver, or cause to be executed and delivered, to the Depositor on the Closing
Date a Initial Certification. In conducting such review, the Trustee or
Custodian will certify as to each Mortgage Loan listed in the Mortgage Loan
Schedule (other than any Mortgage Loan paid in full or any Mortgage Loan
specifically identified in the exception report annexed thereto as not being
covered by such certification), (i) all documents constituting part of such
Mortgage File (other than such documents described in Section 2.01(b)(I)(iii))
required to be delivered to it pursuant to this Agreement are in its possession,
provided that with respect to the documents described in Section 2.01(b)(I)(v),
(vi), (viii) and (ix) and 2.01(b)(II)(viii) and (ix) to the extent the Trustee
or the Custodian on its behalf has actual knowledge that such documents exist,
(ii) such documents have been reviewed by it and are not torn, mutilated,
defaced or otherwise altered (except if initialed by the obligor) and appear to
relate on their face to such Mortgage Loan, (iii) based on its examination and
only as to the foregoing, the information set forth in the Mortgage Loan
Schedule corresponding to the loan number for the Mortgage Loan, the Mortgagor's
name, including the street address but excluding the zip code, the Mortgage
Interest Rate and the original principal balance of the Mortgage Loan accurately
reflects information set forth in the Mortgage File and (iv) with respect to
Mortgage Loans with a Mortgage Interest Rate subject to adjustment, the Gross
Margin, the lifetime cap and the periodic cap for such Mortgage Loan. In
performing any such review, the Trustee, or the Custodian, as its agent, may
conclusively rely on the purported due execution and genuineness of any such
document and on the purported genuineness of any signature thereon.
Notwithstanding anything to the contrary in this Agreement, it is herein
acknowledged that, in conducting such review, the Trustee or the Custodian on
its behalf is under no duty or obligation to inspect, review or examine any such
documents, instruments, certificates or other papers to determine whether they
are genuine, enforceable, or appropriate for the represented purpose or whether
they have actually been recorded or that they are other than what they purport
to be on their face, or to determine whether any Person executing any documents
is authorized to do so or whether any signature is genuine.

     If the Trustee or the Custodian, as its agent, finds any document
constituting part of the Mortgage File not to have been executed or received, or
to be unrelated to the Mortgage Loans identified in Exhibit B or to appear to be
defective on its face, the Trustee or the Custodian, as its agent, shall
promptly notify the Sponsor. In accordance with the Mortgage Loan Purchase
Agreement, the Sponsor shall correct or cure any such defect within ninety (90)
days from the date of notice from the Trustee or the Custodian, as its agent, of
the defect and if the Sponsor fails to correct or cure the defect within such
period, and such defect materially and adversely affects the interests of the
Certificateholders in the related Mortgage Loan, the Trustee, shall enforce the
Sponsor's obligation pursuant to the Mortgage Loan Purchase Agreement, within 90
days from the Trustee's or the Custodian's notification, to purchase such
Mortgage Loan at the Purchase Price; provided that, if such defect would cause
the Mortgage Loan to be other than a "qualified mortgage" as defined in Section
860G(a)(3) of the Code, any such cure or repurchase must occur within 90 days
from the date such breach was discovered; provided, however, that if such defect
relates solely to the inability of the Sponsor to deliver the original Security
Instrument or intervening assignments thereof, or a certified copy because the
originals of such documents, or a certified copy have not been returned by the
applicable jurisdiction, the Sponsor shall not be required to purchase such
Mortgage Loan if the Sponsor delivers such original documents or certified copy
promptly upon receipt, but in no event later than 360 days after the Closing
Date. The foregoing repurchase obligation shall not apply in the event that the
Sponsor


                                      -63-

<PAGE>

cannot deliver such original or copy of any document submitted for recording to
the appropriate recording office in the applicable jurisdiction because such
document has not been returned by such office; provided that the Sponsor shall
instead deliver a recording receipt of such recording office or, if such receipt
is not available, a certificate confirming that such documents have been
accepted for recording, and delivery to the Trustee or the Custodian, as its
agent, shall be effected by the Sponsor within thirty days of its receipt of the
original recorded document.

     (b) No later than 180 days after the Closing Date, the Trustee or the
Custodian, as its agent, will review, for the benefit of the Certificateholders,
the Mortgage Files delivered to it and will execute and deliver or cause to be
executed and delivered to the Depositor a Final Certification. In conducting
such review, the Trustee or the Custodian, as its agent, will certify as to each
Mortgage Loan listed in the Mortgage Loan Schedule (other than any Mortgage Loan
paid in full or any Mortgage Loan specifically identified in the exception
report annexed thereto as not being covered by such certification), that (i) all
documents constituting part of such Mortgage File (other than such documents
described in Section 2.01(b)(I)(v) and (ix)) required to be delivered to it
pursuant to this Agreement are in its possession, provided that with respect to
the documents described in Section 2.01(b)(I)(v), (vi), (viii) and (ix) and
2.01(b)(II)(viii) and (ix) to the extent the Trustee or the Custodian on its
behalf has actual knowledge that such documents exist, (ii) such documents have
been reviewed by it and are not torn, mutilated, defaced or otherwise altered
(except if initialed by the obligor) and appear regular on their face and relate
to such Mortgage Loan, (iii) based on its examination and only as to the
foregoing, the information set forth in the Mortgage Loan Schedule corresponding
to the loan number for the Mortgage Loan, the Mortgagor's name, including the
street address but excluding the zip code, the Mortgage Interest Rate and the
original principal balance of the Mortgage Loan accurately reflects information
set forth in the Mortgage File. In performing any such review, the Trustee, or
the Custodian, as its agent, may conclusively rely on the purported due
execution and genuineness of any such document and on the purported genuineness
of any signature thereon. Notwithstanding anything to the contrary in this
Agreement, it is herein acknowledged that, in conducting such review, the
Trustee or the Custodian on its behalf is under no duty or obligation (i) to
inspect, review or examine any such documents, instruments, certificates or
other papers to determine whether they are genuine, enforceable, or appropriate
for the represented purpose or whether they have actually been recorded or that
they are other than what they purport to be on their face, or to determine
whether any Person executing any documents is authorized to do so or whether any
signature is genuine. If the Trustee or the Custodian, as its agent, finds any
document constituting part of the Mortgage File not to have been executed or
received, or to be unrelated to the Mortgage Loans identified in Exhibit B or to
appear to be defective on its face, the Trustee or the Custodian, as its agent,
shall promptly notify the Sponsor. In accordance with the Mortgage Loan Purchase
Agreement, the Sponsor shall correct or cure any such defect within 90 days from
the date of notice from the Trustee of the defect and if the Sponsor is unable
to cure such defect within such period, and if such defect materially and
adversely affects the interests of the Certificateholders in the related
Mortgage Loan, the Trustee shall enforce the Sponsor's obligation under the
Mortgage Loan Purchase Agreement to purchase such Mortgage Loan at the Purchase
Price, provided, however, that if such defect relates solely to the inability of
the Sponsor to deliver the original Security Instrument or intervening
assignments thereof, or a certified copy, because the originals of such
documents, or a certified copy, have not been returned by the applicable
jurisdiction, the Sponsor shall not be required to purchase such


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<PAGE>

Mortgage Loan, if the Sponsor delivers such original documents or certified copy
promptly upon receipt, but in no event later than 360 days after the Closing
Date.

     (c) In the event that a Mortgage Loan is purchased by the Sponsor in
accordance with Sections 2.02(a) or (b) above, the Sponsor shall remit to the
Master Servicer the Purchase Price for deposit in the Master Servicer Collection
Account and the Sponsor shall provide to the Trustee written notification
detailing the components of the Purchase Price. Upon deposit of the Purchase
Price in the Master Servicer Collection Account, the Depositor shall give
written notice thereof to the Trustee and the Custodian and the Trustee or the
Custodian, as its agent (upon receipt of a Request for Release in the form of
Exhibit D attached hereto with respect to such Mortgage Loan), shall release to
the Sponsor the related Mortgage File and the Trustee shall execute and deliver
all instruments of transfer or assignment, without recourse, furnished to it by
the Sponsor as are necessary to vest in the Sponsor title to and rights under
the Mortgage Loan. Such purchase shall be deemed to have occurred on the date on
which the Purchase Price in available funds is received by the Trustee. The
Depositor or Master Servicer shall amend the Mortgage Loan Schedule, to reflect
such repurchase and shall promptly notify the Rating Agencies and the Master
Servicer of such amendment. The obligation of the Sponsor to repurchase any
Mortgage Loan as to which such a defect in a constituent document exists shall
be the sole remedy respecting such defect available to the Certificateholders or
to the Trustee on their behalf.

     Section 2.03 Assignment of Interest in the Mortgage Loan Purchase
Agreement.

     (a) The Depositor hereby assigns to the Trustee, on behalf of the
Certificateholders, all of its right, title and interest in the Mortgage Loan
Purchase Agreement, including but not limited to Depositor's rights pursuant to
this Agreement (noting that the Sponsor has retained the right in the event of
breach of the representations, warranties and covenants, if any, with respect to
the related Mortgage Loans of the applicable Servicer under this Agreement to
enforce the provisions thereof and to seek all or any available remedies). The
obligations of the Sponsor to substitute or repurchase, as applicable, a
Mortgage Loan shall be the Trustee's and the Certificateholders' sole remedy for
any breach thereof. At the request of the Trustee, the Depositor shall take such
actions as may be necessary to enforce the above right, title and interest on
behalf of the Trustee and the Certificateholders or shall execute such further
documents as the Trustee may reasonably require in order to enable the Trustee
to carry out such enforcement. With respect to the representations and
warranties described in the Mortgage Loan Purchase Agreement that are made to
the best of the Sponsor's knowledge, if it is discovered by any of the
Depositor, the Sponsor, the Master Servicer, a Servicer, the Securities
Administrator or the Trustee that the substance of such representation and
warranty is inaccurate and such inaccuracy materially and adversely affects the
value of the related Mortgage Loan, then notwithstanding the Sponsor's lack of
knowledge with respect to the substance of such representation and warranty,
such inaccuracy shall be deemed a breach of the applicable representation or
warranty.

     (b) If the Depositor, the Master Servicer, Securities Administrator or the
Trustee discovers a breach of any of the representations and warranties set
forth in the Mortgage Loan Purchase Agreement, which breach materially and
adversely affects the value of the interests of Certificateholders or the
Trustee in the related Mortgage Loan, the party discovering the breach shall
give prompt written notice of the breach to the other parties. The Sponsor,
within 90 days


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<PAGE>

of its discovery or receipt of notice that such breach has occurred (whichever
occurs earlier), shall cure the breach in all material respects or, subject to
the Mortgage Loan Purchase Agreement or Section 2.04 of this Agreement, as
applicable, shall purchase the Mortgage Loan or any property acquired with
respect thereto from the Trustee; provided, however, that if there is a breach
of any representation set forth in the Mortgage Loan Purchase Agreement or
Section 2.04 of this Agreement, as applicable, and the Mortgage Loan or the
related property acquired with respect thereto has been sold, then the Sponsor
shall pay, in lieu of the Purchase Price, any excess of the Purchase Price over
the Net Liquidation Proceeds received upon such sale. (If the Net Liquidation
Proceeds exceed the Purchase Price, any excess shall be paid to the Sponsor to
the extent not required by law to be paid to the borrower.) Any such purchase by
the Sponsor shall be made by providing an amount equal to the Purchase Price to
the Master Servicer for deposit in the Master Servicer Collection Account and
written notification detailing the components of such Purchase Price. The
Depositor shall notify the Trustee in writing of the deposit of the Purchase
Price and submit to the Trustee or the Custodian, as its agent, a Request for
Release, and the Trustee shall release, or the Trustee shall cause the Custodian
to release, to the Sponsor the related Mortgage File and the Trustee shall
execute and deliver all instruments of transfer or assignment furnished to it by
the Sponsor, without recourse, as are necessary to vest in the Sponsor title to
and rights under the Mortgage Loan or any property acquired with respect
thereto. Such purchase shall be deemed to have occurred on the date on which the
Purchase Price in available funds is received by the Master Servicer. The
Depositor or the Master Servicer shall amend the Mortgage Loan Schedule to
reflect such repurchase and shall promptly notify the Master Servicer and the
Rating Agencies of such amendment. Enforcement of the obligation of the Sponsor
to purchase (or substitute a Substitute Mortgage Loan for) any Mortgage Loan or
any property acquired with respect thereto (or pay the Purchase Price as set
forth in the above proviso) as to which a breach has occurred and is continuing
shall constitute the sole remedy respecting such breach available to the
Certificateholders or the Trustee on their behalf.

     Section 2.04 Substitution of Mortgage Loans. Notwithstanding anything to
the contrary in this Agreement, in lieu of purchasing a Mortgage Loan pursuant
to the Mortgage Loan Purchase Agreement or Sections 2.02 or 2.03 of this
Agreement, the Sponsor may, no later than the date by which such purchase by the
Sponsor would otherwise be required, tender to the Trustee a Substitute Mortgage
Loan accompanied by a certificate of an authorized officer of the Sponsor that
such Substitute Mortgage Loan conforms to the requirements set forth in the
definition of "Substitute Mortgage Loan" in the Mortgage Loan Purchase Agreement
or this Agreement, as applicable; provided, however, that substitution pursuant
to the Mortgage Loan Purchase Agreement or Section 2.04 of this Agreement, as
applicable, in lieu of purchase shall not be permitted after the termination of
the two-year period beginning on the Startup Day; provided, further, that if the
breach would cause the Mortgage Loan to be other than a "qualified mortgage" as
defined in Section 860G(a)(3) of the Code, any such cure or substitution must
occur within 90 days from the date the breach was discovered. The Trustee or the
Custodian, as its agent, shall examine the Mortgage File for any Substitute
Mortgage Loan in the manner set forth in Section 2.02(a) and the Trustee or the
Custodian, as its agent, shall notify the Sponsor, in writing, within five
Business Days after receipt, whether or not the documents relating to the
Substitute Mortgage Loan satisfy the requirements of the fourth sentence of
Section 2.02(a). Within two Business Days after such notification, the Sponsor
shall provide to the Securities Administrator for deposit in the Distribution
Account the amount, if any, by which the Outstanding Principal Balance as of the
next preceding Due Date of the Mortgage Loan for


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<PAGE>

which substitution is being made, after giving effect to Scheduled Principal due
on such date, exceeds the Outstanding Principal Balance as of such date of the
Substitute Mortgage Loan, after giving effect to Scheduled Principal due on such
date, which amount shall be treated for the purposes of this Agreement as if it
were the payment by the Sponsor of the Purchase Price for the purchase of a
Mortgage Loan by the Sponsor. After such notification to the Sponsor and, if any
such excess exists, upon written notification of the receipt of such deposit,
the Trustee shall accept such Substitute Mortgage Loan which shall thereafter be
deemed to be a Mortgage Loan hereunder. In the event of such a substitution,
accrued interest on the Substitute Mortgage Loan for the month in which the
substitution occurs and any Principal Prepayments made thereon during such month
shall be the property of the Issuing Entity and accrued interest for such month
on the Mortgage Loan for which the substitution is made and any Principal
Prepayments made thereon during such month shall be the property of the Sponsor.
The Scheduled Principal on a Substitute Mortgage Loan due on the Due Date in the
month of substitution shall be the property of the Sponsor and the Scheduled
Principal on the Mortgage Loan for which the substitution is made due on such
Due Date shall be the property of the Issuing Entity. Upon acceptance of the
Substitute Mortgage Loan (and delivery to the Trustee or Custodian of a Request
for Release for such Mortgage Loan), the Trustee shall release to the Sponsor
the related Mortgage File related to any Mortgage Loan released pursuant to the
Mortgage Loan Purchase Agreement or Section 2.04 of this Agreement, as
applicable, and shall execute and deliver all instruments of transfer or
assignment, without recourse, in form as provided to it as are necessary to vest
in the Sponsor title to and rights under any Mortgage Loan released pursuant to
the Mortgage Loan Purchase Agreement or Section 2.04 of this Agreement, as
applicable. The Sponsor shall deliver the documents related to the Substitute
Mortgage Loan in accordance with the provisions of the Mortgage Loan Purchase
Agreement or Sections 2.01(b) and 2.02(b) of this Agreement, as applicable, with
the date of acceptance of the Substitute Mortgage Loan deemed to be the Closing
Date for purposes of the time periods set forth in those Sections. The
representations and warranties set forth in the Mortgage Loan Purchase Agreement
shall be deemed to have been made by the Sponsor with respect to each Substitute
Mortgage Loan as of the date of acceptance of such Mortgage Loan by the Trustee.
The Master Servicer shall amend the Mortgage Loan Schedule to reflect such
substitution and shall provide a copy of such amended Mortgage Loan Schedule to
the Trustee and the Rating Agencies.

     Notwithstanding any other provision of this Agreement, the right to
substitute Mortgage Loans pursuant to this Article II shall be subject to the
additional limitations that no substitution of a Mortgage Loan shall be made
unless the Securities Administrator and the Trustee shall have received an
Opinion of Counsel (at the expense of the party seeking to make the
substitution) that, under current law, such substitution will not (A) affect
adversely the status of any REMIC established hereunder as a REMIC, or of the
related "regular interests" as "regular interests" in any such REMIC, or (B)
cause any such REMIC to engage in a "prohibited transaction" or prohibited
contribution pursuant to the REMIC provisions.

     Section 2.05 Issuance of Certificates. The Trustee acknowledges the
assignment to it on behalf of the Issuing Entity of the Mortgage Loans and the
other assets comprising the Trust Fund and, concurrently therewith, the
Securities Administrator has signed, and countersigned and delivered to the
Depositor, in exchange therefor, Certificates in such authorized denominations
representing such Percentage Interests as the Depositor has requested. The
Trustee agrees that it will hold the Mortgage Loans and such other assets as may
from time to


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<PAGE>

time be delivered to it segregated on the books of the Trustee in trust for the
benefit of the Certificateholders.

     Section 2.06 Representations and Warranties Concerning the Depositor. The
Depositor hereby represents and warrants to the Trustee, the Master Servicer,
the Company and the Securities Administrator as follows:

          (i) the Depositor (a) is a corporation duly organized, validly
     existing and in good standing under the laws of the State of Delaware and
     (b) is qualified and in good standing as a foreign corporation to do
     business in each jurisdiction where such qualification is necessary, except
     where the failure so to qualify would not reasonably be expected to have a
     material adverse effect on the Depositor's business as presently conducted
     or on the Depositor's ability to enter into this Agreement and to
     consummate the transactions contemplated hereby;

           (ii) the Depositor has full corporate power to own its property, to
     carry on its business as presently conducted and to enter into and perform
     its obligations under this Agreement;

          (iii) the execution and delivery by the Depositor of this Agreement
     have been duly authorized by all necessary corporate action on the part of
     the Depositor; and neither the execution and delivery of this Agreement,
     nor the consummation of the transactions herein contemplated, nor
     compliance with the provisions hereof, will conflict with or result in a
     breach of, or constitute a default under, any of the provisions of any law,
     governmental rule, regulation, judgment, decree or order binding on the
     Depositor or its properties or the articles of incorporation or by-laws of
     the Depositor, except those conflicts, breaches or defaults which would not
     reasonably be expected to have a material adverse effect on the Depositor's
     ability to enter into this Agreement and to consummate the transactions
     contemplated hereby;

          (iv) the execution, delivery and performance by the Depositor of this
     Agreement and the consummation of the transactions contemplated hereby do
     not require the consent or approval of, the giving of notice to, the
     registration with, or the taking of any other action in respect of, any
     state, federal or other governmental authority or agency, except those
     consents, approvals, notices, registrations or other actions as have
     already been obtained, given or made;

          (v) this Agreement has been duly executed and delivered by the
     Depositor and, assuming due authorization, execution and delivery by the
     other parties hereto, constitutes a valid and binding obligation of the
     Depositor enforceable against it in accordance with its terms (subject to
     applicable bankruptcy and insolvency laws and other similar laws affecting
     the enforcement of the rights of creditors generally);

           (vi) there are no actions, suits or proceedings pending or, to the
     knowledge of the Depositor, threatened against the Depositor, before or by
     any court, administrative agency, arbitrator or governmental body (i) with
     respect to any of the transactions contemplated by this Agreement or (ii)
     with respect to any other matter which in the judgment of the Depositor
     will be determined adversely to the Depositor and will if


                                      -68-

<PAGE>

     determined adversely to the Depositor materially and adversely affect the
     Depositor's ability to enter into this Agreement or perform its obligations
     under this Agreement; and the Depositor is not in default with respect to
     any order of any court, administrative agency, arbitrator or governmental
     body so as to materially and adversely affect the transactions contemplated
     by this Agreement; and

          (vii) immediately prior to the transfer and assignment to the Trustee,
     each Mortgage Note and each Mortgage were not subject to an assignment or
     pledge, and the Depositor had good and marketable title to and was the sole
     owner thereof and had full right to transfer and sell such Mortgage Loan to
     the Trustee free and clear of any encumbrance, equity, lien, pledge,
     charge, claim or security interest.

     Section 2.07 Representations and Warranties Concerning the Master Servicer
and Securities Administrator. Wells Fargo Bank, N.A., in its capacity as Master
Servicer and Securities Administrator hereby represents and warrants to the
Sponsor, the Depositor, the Company and the Trustee as follows, as of the
Closing Date:

          (i) It is a national banking association duly formed, validly existing
     and in good standing under the laws of the United States of America and is
     duly authorized and qualified to transact any and all business contemplated
     by this Agreement to be conducted by the Master Servicer and the Securities
     Administrator, to the extent necessary to ensure its ability to master
     service the Mortgage Loans in accordance with the terms of this Agreement
     and to perform any of its other obligations under this Agreement in
     accordance with the terms hereof;

          (ii) It has the full corporate power and authority to execute, deliver
     and perform, and to enter into and consummate the transactions contemplated
     by this Agreement and has duly authorized by all necessary corporate action
     on its part the execution, delivery and performance of this Agreement; and
     this Agreement, assuming the due authorization, execution and delivery
     hereof by the other parties hereto, constitutes its legal, valid and
     binding obligation, enforceable against it in accordance with its terms,
     except that (a) the enforceability hereof may be limited by bankruptcy,
     insolvency, moratorium, receivership and other similar laws relating to
     creditors' rights generally and (b) the remedy of specific performance and
      injunctive and other forms of equitable relief may be subject to equitable
     defenses and to the discretion of the court before which any proceeding
     therefor may be brought.

          (iii) The execution and delivery of this Agreement by it, the
     consummation of any other of the transactions contemplated by this
     Agreement, and the fulfillment of or compliance with the terms hereof are
     in its ordinary course of business and will not (A) result in a material
     breach of any term or provision of its charter or by-laws or (B) materially
     conflict with, result in a material breach, violation or acceleration of,
     or result in a material default under, the terms of any other material
     agreement or instrument to which it is a party or by which it may be bound,
     or (C) constitute a material violation of any statute, order or regulation
     applicable to it of any court, regulatory body, administrative agency or
     governmental body having jurisdiction over it; and it is not in


                                      -69-

<PAGE>

     breach or violation of any material indenture or other material agreement
     or instrument, or in violation of any statute, order or regulation of any
     court, regulatory body, administrative agency or governmental body having
     jurisdiction over it which breach or violation may materially impair its
     ability to perform or meet any of its obligations under this Agreement.

          (iv) No litigation is pending or, to the best of its knowledge,
     threatened, against it that would materially and adversely affect the
     execution, delivery or enforceability of this Agreement or its ability to
     perform any of its other obligations under this Agreement in accordance
     with the terms hereof.

          (v) No consent, approval, authorization or order of any court or
     governmental agency or body is required for its execution, delivery and
     performance of, or compliance with, this Agreement or the consummation of
     the transactions contemplated hereby, or if any such consent, approval,
     authorization or order is required, it has obtained the same.

     Section 2.08 Representations, Warranties and Covenants of the Servicers.

     I. The Company in its capacity as a Servicer hereby represents and warrants
to the Sponsor, the Master Servicer, the Securities Administrator, the Depositor
and the Trustee as follows, as of the Closing Date:

          (i) It is duly authorized and qualified to transact any and all
      business contemplated by this Agreement to be conducted by a Servicer, to
     the extent necessary to ensure its ability to service the Mortgage Loans in
     accordance with the terms of this Agreement and to perform any of its other
     obligations under this Agreement in accordance with the terms hereof;


                                      -70-

<PAGE>

          (ii) It has the full corporate power and authority to execute, deliver
     and perform, and to enter into and consummate the transactions contemplated
     by this Agreement and has duly authorized by all necessary corporate action
     on its part the execution, delivery and performance of this Agreement; and
     this Agreement, assuming the due authorization, execution and delivery
      hereof by the other parties hereto, constitutes its legal, valid and
     binding obligation, enforceable against it in accordance with its terms,
     except that (a) the enforceability hereof may be limited by bankruptcy,
     insolvency, moratorium, receivership and other similar laws relating to
     creditors' rights generally and (b) the remedy of specific performance and
     injunctive and other forms of equitable relief may be subject to equitable
     defenses and to the discretion of the court before which any proceeding
     therefor may be brought.

          (iii) The execution and delivery of this Agreement by it, the
     consummation of any other of the transactions contemplated by this
     Agreement, and the fulfillment of or compliance with the terms hereof are
     in its ordinary course of business and will not (A) result in a material
     breach of any term or provision of its charter or by-laws or (B) materially
     conflict with, result in a material breach, violation or acceleration of,
     or result in a material default under, the terms of any other material
     agreement or instrument to which it is a party or by which it may be bound,
     or (C) constitute a material violation of any statute, order or regulation
     applicable to it of any court, regulatory body, administrative agency or
     governmental body having jurisdiction over it; and it is not in breach or
     violation of any material indenture or other material agreement or
     instrument, or in violation of any statute, order or regulation of any
     court, regulatory body, administrative agency or governmental body having
     jurisdiction over it which breach or violation may materially impair its
     ability to perform or meet any of its obligations under this Agreement.

          (iv) No litigation is pending or, to the best of its knowledge,
     threatened, against it that would materially and adversely affect the
     execution, delivery or enforceability of this Agreement or its ability to
     perform any of its other obligations under this Agreement in accordance
     with the terms hereof.

          (v) No consent, approval, authorization or order of any court or
     governmental agency or body is required for its execution, delivery and
     performance of, or compliance with, this Agreement or the consummation of
     the transactions contemplated hereby, or if any such consent, approval,
     authorization or order is required, it has obtained the same.

     II. The Company hereby covenants to each of the other parties to this
Agreement as follows:

     (a) it shall comply in the performance of its obligations under this
Agreement with all reasonable rules and requirements of the insurer under each
Required Insurance Policy;

     (b) no written information, certificate of an officer, statement furnished
in writing or written report delivered to the Depositor, the Master Servicer or
the Trustee or any Affiliate of the Depositor, the Master Servicer or the
Trustee and prepared by it pursuant to this Agreement will be inaccurate in any
material respect; provided, however, that the Company shall be responsible for
inaccurate information provided to it by third parties; provided further,
however,


                                      -71-

<PAGE>

that the covenant referred to in this Section 2.08(b) shall not be breached if
the Company corrects such material inaccuracy to the reasonable satisfaction of
the Depositor, Master Servicer or the Trustee or any affiliate thereof, as
applicable, within five (5) Business Days of receiving written notice of or the
General Counsel or Senior Vice President of Operation's actual knowledge of such
inaccuracy, and the Company shall be responsible only for any direct damages,
costs, liabilities or expenses arising from a breach that occurs prior to the
Company's correction thereof.

     Section 2.09 Depositor Notification of NIM Notes. The Depositor shall
notify the Servicers in writing when NIM Notes are issued and when all
previously issued NIM Notes are no longer outstanding.

                                   ARTICLE III
                        ADMINISTRATION OF MORTGAGE LOANS

     Section 3.01 Master Servicer. The Master Servicer shall supervise, monitor
and oversee the obligation of the Servicers to service and administer their
respective Mortgage Loans in accordance with the terms of the Applicable
Servicing Agreement and shall have full power and authority to do any and all
things which it may deem necessary or desirable in connection with such master
servicing and administration. In performing its obligations hereunder, the
Master Servicer shall act in a manner consistent with Accepted Master Servicing
Practices. Furthermore, the Master Servicer shall oversee and consult with each
Servicer as necessary from time-to-time to carry out the Master Servicer's
obligations hereunder, shall receive, review and evaluate all reports,
information and other data provided to the Master Servicer by each Servicer and
shall cause each Servicer to perform and observe the covenants, obligations and
conditions to be performed or observed by such Servicer under the Applicable
Servicing Agreement. The Master Servicer shall independently and separately
monitor each Servicer's servicing activities with respect to each related
Mortgage Loan, reconcile the results of such monitoring with such information
provided in the previous sentence on a monthly basis and coordinate corrective
adjustments to the Servicers' and Master Servicer's records, and based on such
reconciled and corrected information, the Master Servicer shall provide such
information to the Securities Administrator as shall be necessary in order for
it to prepare the statements specified in Section 6.03, and prepare any other
information and statements required to be forwarded by the Master Servicer
hereunder. The Master Servicer shall reconcile the results of its monitoring
with the actual remittances of the Servicers to the Master Servicer Collection
Account pursuant to this Agreement.

     If the Master Servicer and the Securities Administrator are the same
entity, then at any time the Master Servicer is terminated as Master Servicer,
the Securities Administrator shall likewise be removed as securities
administrator.

     The Trustee shall furnish the Servicers and the Master Servicer with any
limited powers of attorney and other documents in form acceptable to it
necessary or appropriate to enable the Servicers and the Master Servicer to
service and administer the related Mortgage Loans and REO Property. The Trustee
shall have no liability with respect to the use of any such limited power of
attorney.


                                      -72-

<PAGE>

     The Trustee or the Custodian shall provide access to the records and
documentation in possession of the Trustee or the Custodian regarding the
related Mortgage Loans and REO Property and the servicing thereof to the
Certificateholders, the FDIC, and the supervisory agents and examiners of the
FDIC, such access being afforded only upon reasonable prior written request and
during normal business hours at the office of the Trustee or the Custodian;
provided, however, that, unless otherwise required by law, the Trustee or the
Custodian shall not be required to provide access to such records and
documentation if the provision thereof would violate the legal right to privacy
of any Mortgagor. The Trustee or the Custodian shall allow representatives of
the above entities to photocopy any of the records and documentation and shall
provide equipment for that purpose at a charge that covers the Trustee's or the
Custodian's actual costs.

     The Trustee shall execute and deliver to the applicable Servicer and the
Master Servicer upon request any court pleadings, requests for trustee's sale or
other documents necessary or desirable to (i) the foreclosure or trustee's sale
with respect to a Mortgaged Property; (ii) any legal action brought to obtain
judgment against any Mortgagor on the Mortgage Note or Security Instrument;
(iii) obtain a deficiency judgment against the Mortgagor; or (iv) enforce any
other rights or remedies provided by the Mortgage Note or Security Instrument or
otherwise available at law or equity.

     Section 3.02 REMIC-Related Covenants. For as long as each REMIC shall
exist, the Trustee and the Securities Administrator shall act in accordance
herewith to assure continuing treatment of such REMIC as a REMIC, and the
Trustee and the Securities Administrator shall comply with any directions of the
Depositor, the applicable Servicer or the Master Servicer to assure such
continuing treatment. In particular, the Trustee shall not (a) sell or permit
the sale of all or any portion of the Mortgage Loans or of any investment of
deposits in an Account unless such sale is as a result of a repurchase of the
Mortgage Loans pursuant to this Agreement or the Trustee and Securities
Administrator have received a REMIC Opinion prepared at the expense of the
Issuing Entity; and (b) other than with respect to a substitution pursuant to
the Mortgage Loan Purchase Agreement or Section 2.04 of this Agreement, as
applicable, accept any contribution to any REMIC after the Startup Day without
receipt of a REMIC Opinion.

     Section 3.03 Monitoring of Servicers.

     (a) The Master Servicer shall be responsible for reporting to the Trustee,
Securities Administrator and the Depositor the compliance by each Servicer with
its duties under the Applicable Servicing Agreement. In the review of each
Servicer's activities, the Master Servicer may rely upon an Officer's
Certificate of the Servicer with regard to such Servicer's compliance with the
terms of the Applicable Servicing Agreement. In the event that the Master
Servicer, in its judgment, determines that a Servicer should be terminated in
accordance with the Applicable Servicing Agreement, or that a notice should be
sent pursuant to the Applicable Servicing Agreement with respect to the
occurrence of an event that, unless cured, would constitute grounds for such
termination, the Master Servicer shall notify the Depositor, Securities
Administrator and the Trustee thereof and the Master Servicer shall issue such
notice or take such other action as it deems appropriate.

     (b) The Master Servicer, for the benefit of the Trustee and the
Certificateholders, shall enforce the obligations of each Servicer under the
Applicable Servicing Agreement, and


                                      -73-

<PAGE>

shall, in the event that a Servicer fails to perform its obligations in
accordance with the Applicable Servicing Agreement, subject to the preceding
paragraph, terminate the rights and obligations of such Servicer thereunder and
act as servicer of the related Mortgage Loans or, if the Master Servicer is
unwilling or unable to act as a Servicer, the Master Servicer shall cause the
Trustee to appoint a successor servicer selected by the Master Servicer that is
eligible in accordance with the criteria specified in this Agreement; provided,
however, it is understood and acknowledged by the parties hereto that there will
be a period of transition (not to exceed 90 days) before the actual servicing
functions can be fully transferred to such successor servicer. In either event,
such enforcement, including, without limitation, the legal prosecution of claims
and the pursuit of other appropriate remedies, shall be in such form and carried
out to such an extent and at such time as the Master Servicer, in its good faith
business judgment, would require were it the owner of the related Mortgage
Loans. The Master Servicer shall pay the costs of such enforcement at its own
expense subject to Section 3.03(c), provided that the Master Servicer shall not
be required to prosecute or defend any legal action except to the extent that
the Master Servicer shall have received reasonable indemnity for its costs and
expenses in pursuing such action.

     (c) To the extent that the costs and expenses of the Master Servicer
related to any termination of a Servicer, appointment of a successor Servicer or
the transfer and assumption of servicing by the Master Servicer (including,
without limitation, (i) all legal costs and expenses and all due diligence costs
and expenses associated with an evaluation of the potential termination of a
Servicer as a result of an event of default by such Servicer and (ii) all costs
and expenses associated with the complete transfer of servicing, including all
servicing files and all servicing data and the completion, correction or
manipulation of such servicing data as may be required by the successor servicer
to correct any errors or insufficiencies in the servicing data or otherwise to
enable the successor service to service the Mortgage Loans in accordance with
this Agreement) are not fully and timely reimbursed by the terminated Servicer,
the Master Servicer shall be entitled to reimbursement of such costs and
expenses from the Master Servicer Collection Account pursuant to Section
4.03(b).

     (d) The Master Servicer shall require each Servicer to comply with the
remittance requirements and other obligations set forth in the Applicable
Servicing Agreement.

     (e) If the Master Servicer acts as Servicer, it will not assume liability
for the representations and warranties of such Servicer, if any, that it
replaces.

     Section 3.04 Fidelity Bond. The Master Servicer, at its expense, shall
maintain in effect a blanket fidelity bond and an errors and omissions insurance
policy, affording coverage with respect to all directors, officers, employees
and other Persons acting on such Master Servicer's behalf, and covering errors
and omissions in the performance of the Master Servicer's obligations hereunder.
The errors and omissions insurance policy and the fidelity bond shall be in such
form and amount generally acceptable for entities serving as master servicers or
trustees.

     Section 3.05 Power to Act; Procedures. The Master Servicer shall master
service the Mortgage Loans and shall have full power and authority, subject to
the REMIC Provisions and the provisions of Article X hereof, to do any and all
things that it may deem necessary or desirable in connection with the master
servicing and administration of the Mortgage Loans, including but not limited to
the power and authority (i) to execute and deliver, on behalf of the


                                      -74-

<PAGE>

Certificateholders and the Trustee, customary consents or waivers and other
instruments and documents, (ii) to consent to transfers of any Mortgaged
Property and assumptions of the Mortgage Notes and related Mortgages, (iii) to
collect any Insurance Proceeds and Liquidation Proceeds, and (iv) to effectuate
foreclosure or other conversion of the ownership of the Mortgaged Property
securing any Mortgage Loan, in each case, in accordance with the provisions of
this Agreement; provided, however, that the Master Servicer shall not (and,
consistent with its responsibilities under Section 3.03, shall not permit any
Servicer to) knowingly or intentionally take any action, or fail to take (or
fail to cause to be taken) any action reasonably within its control and the
scope of duties more specifically set forth herein, that, under the REMIC
Provisions, if taken or not taken, as the case may be, would cause any REMIC
created hereunder to fail to qualify as a REMIC or result in the imposition of a
tax upon the Issuing Entity (including but not limited to the tax on prohibited
transactions as defined in Section 860F(a)(2) of the Code and the tax on
contributions to a REMIC set forth in Section 860G(d) of the Code) unless the
Master Servicer has received an Opinion of Counsel (but not at the expense of
the Master Servicer) to the effect that the contemplated action will not would
cause any REMIC created hereunder to fail to qualify as a REMIC or result in the
imposition of a tax upon any REMIC created hereunder. The Trustee shall furnish
the Master Servicer, upon written request from a Servicing Officer, with any
limited powers of attorney (in form acceptable to the Trustee) empowering the
Master Servicer or any Servicer to execute and deliver instruments of
satisfaction or cancellation, or of partial or full release or discharge, and to
foreclose upon or otherwise liquidate Mortgaged Property, and to appeal,
prosecute or defend in any court action relating to the Mortgage Loans or the
Mortgaged Property, in accordance with this Agreement, and the Trustee shall
execute and deliver such other documents, as the Master Servicer may request, to
enable the Master Servicer to master service and administer the Mortgage Loans
and carry out its duties hereunder, in each case in accordance with Accepted
Master Servicing Practices (and the Trustee shall have no liability for misuse
of any such powers of attorney by the Master Servicer or any Servicer). If the
Master Servicer or the Trustee has been advised that it is likely that the laws
of the state in which action is to be taken prohibit such action if taken in the
name of the Trustee or that the Trustee would be adversely affected under the
"doing business" or tax laws of such state if such action is taken in its name,
the Master Servicer shall join with the Trustee in the appointment of a
co-trustee pursuant to Section 9.11 hereof. In the performance of its duties
hereunder, the Master Servicer shall be an independent contractor and shall not,
except in those instances where it is taking action in the name of the Trustee,
be deemed to be the agent of the Trustee.

     Section 3.06 Due-on-Sale Clauses; Assumption Agreements. To the extent
provided in this Agreement, to the extent Mortgage Loans contain enforceable
due-on-sale clauses, the Master Servicer shall cause the Servicers to enforce
such clauses in accordance with the Applicable Servicing Agreement. If
applicable law prohibits the enforcement of a due-on-sale clause or such clause
is otherwise not enforced in accordance with the Applicable Servicing Agreement,
and, as a consequence, a Mortgage Loan is assumed, the original Mortgagor may be
released from liability in accordance with the Applicable Servicing Agreement.

     Section 3.07 [Reserved].

     Section 3.08 Documents, Records and Funds in Possession of Master Servicer
To Be Held for Trustee.


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<PAGE>

     (a) The Master Servicer shall transmit to the Trustee or Custodian such
documents and instruments coming into the possession of the Master Servicer from
time to time as are required by the terms hereof, to be delivered to the Trustee
or Custodian. Any funds received by the Master Servicer in respect of any
Mortgage Loan or which otherwise are collected by the Master Servicer as
Liquidation Proceeds or Insurance Proceeds in respect of any Mortgage Loan shall
be held for the benefit of the Trustee and the Certificateholders subject to the
Master Servicer's right to retain or withdraw from the Master Servicer
Collection Account the Master Servicing Compensation and other amounts provided
in this Agreement. The Master Servicer shall, and (to the extent provided in
this Agreement) shall cause each Servicer to, provide access to information and
documentation regarding the Mortgage Loans to the Trustee, its agents and
accountants at any time upon reasonable request and during normal business
hours, and to Certificateholders that are savings and loan associations, banks
or insurance companies, the Office of Thrift Supervision, the FDIC and the
supervisory agents and examiners of such Office and Corporation or examiners of
any other federal or state banking or insurance regulatory authority if so
required by applicable regulations of the Office of Thrift Supervision or other
regulatory authority, such access to be afforded without charge but only upon
reasonable request in writing and during normal business hours at the offices of
the Master Servicer designated by it. In fulfilling such a request, the Master
Servicer shall not be responsible for determining the sufficiency of such
information.

     (b) All Mortgage Files and funds collected or held by, or under the control
of, the Master Servicer, in respect of any Mortgage Loans, whether from the
collection of principal and interest payments or from Liquidation Proceeds or
Insurance Proceeds, shall be held by the Master Servicer for and on behalf of
the Trustee and the Certificateholders and shall be and remain the sole and
exclusive property of the Trustee; provided, however, that the Master Servicer
and the Company shall be entitled to setoff against, and deduct from, any such
funds any amounts that are properly due and payable to the Master Servicer or
the Company under this Agreement.

     Section 3.09 Standard Hazard Insurance and Flood Insurance Policies.

      (a) For each Mortgage Loan, the Master Servicer shall enforce any
obligation of the Servicers under the Applicable Servicing Agreement to maintain
or cause to be maintained standard fire and casualty insurance and, where
applicable, flood insurance, all in accordance with the provisions of this
Agreement and the Applicable Servicing Agreements. It is understood and agreed
that such insurance shall be with insurers meeting the eligibility requirements
set forth in the Applicable Servicing Agreements and that no earthquake or other
additional insurance is to be required of any Mortgagor or to be maintained on
property acquired in respect of a defaulted loan, other than pursuant to such
applicable laws and regulations as shall at any time be in force and as shall
require such additional insurance.

     (b) Pursuant to Sections 4.01 and 4.02, any amounts collected by Master
Servicer, under any insurance policies (other than amounts to be applied to the
restoration or repair of the property subject to the related Mortgage or
released to the Mortgagor in accordance with this Agreement) shall be deposited
into the Master Servicer Collection Account, subject to withdrawal pursuant to
Sections 4.02 and 4.03. Any cost incurred by the Master Servicer or any
Servicers in maintaining any such insurance if the Mortgagor defaults in its
obligation to do so shall be added to the amount owing under the Mortgage Loan
where the terms of the Mortgage


                                      -76-

<PAGE>

Loan so permit; provided, however, that the addition of any such cost shall not
be taken into account for purposes of calculating the distributions to be made
to Certificateholders and shall be recoverable by the Master Servicer or such
Servicer pursuant to Sections 4.02 and 4.03.

     Section 3.10 Presentment of Claims and Collection of Proceeds. The Master
Servicer shall (to the extent provided in this Agreement) cause the Servicers
to, prepare and present on behalf of the Trustee and the Certificateholders all
claims under the Insurance Policies and take such actions (including the
negotiation, settlement, compromise or enforcement of the insured's claim) as
shall be necessary to realize recovery under such policies. Any proceeds
disbursed to the Master Servicer (or disbursed to a Servicer and remitted to the
Master Servicer) in respect of such policies, bonds or contracts shall be
promptly deposited in the Master Servicer Collection Account upon receipt,
except that any amounts realized that are to be applied to the repair or
restoration of the related Mortgaged Property as a condition precedent to the
presentation of claims on the related Mortgage Loan to the insurer under any
applicable Insurance Policy need not be so deposited (or remitted).

     Section 3.11 Maintenance of the Primary Mortgage Insurance Policies.

     (a) The Master Servicer shall not take, or permit any Servicer (to the
extent such action is prohibited under this Agreement or the Applicable
Servicing Agreement, as applicable) to take, any action that would result in
noncoverage under any applicable Primary Mortgage Insurance Policy of any loss
which, but for the actions of such Master Servicer or Servicer, would have been
covered thereunder. The Master Servicer shall use its best reasonable efforts to
cause each Servicer (to the extent required under the Applicable Servicing
Agreement) to keep in force and effect (to the extent that the Mortgage Loan
requires the Mortgagor to maintain such insurance), primary mortgage insurance
applicable to each Mortgage Loan in accordance with the provisions of the
Applicable Servicing Agreement. The Master Servicer shall not, and shall not
permit any Servicer (to the extent required under this Agreement or the
Applicable Servicing Agreement, as applicable) to, cancel or refuse to renew any
such Primary Mortgage Insurance Policy that is in effect at the date of the
initial issuance of the Mortgage Note and is required to be kept in force
hereunder except in accordance with the provisions of this Agreement or the
Applicable Servicing Agreement, as applicable.

     (b) The Master Servicer agrees to present, or to cause each Servicer (to
the extent required under this Agreement or the Applicable Servicing Agreement,
as applicable) to present, on behalf of the Trustee and the Certificateholders,
claims to the insurer under any Primary Mortgage Insurance Policies and, in this
regard, to take such reasonable action as shall be necessary to permit recovery
under any Primary Mortgage Insurance Policies respecting defaulted Mortgage
Loans. Pursuant to Section 4.01 and 4.02, any amounts collected by the Master
Servicer under any Primary Mortgage Insurance Policies shall be deposited in the
Master Servicer Collection Account, subject to withdrawal pursuant to Section
4.03.

     Section 3.12 Trustee to Retain Possession of Certain Insurance Policies and
Documents. The Trustee or the Custodian shall retain possession and custody of
the originals (to the extent available) of any Primary Mortgage Insurance
Policies, or certificate of insurance if applicable, and any certificates of
renewal as to the foregoing as may be issued from time to time as contemplated
by this Agreement. Until all amounts distributable in respect of the
Certificates have been distributed in full and the Master Servicer otherwise has
fulfilled its obligations under


                                      -77-

<PAGE>

this Agreement, the Trustee or its Custodian shall also retain possession and
custody of each Mortgage File in accordance with and subject to the terms and
conditions of this Agreement and the Custodial Agreement. The Master Servicer
shall promptly deliver or cause to be delivered to the Trustee or the Custodian
upon the execution or receipt thereof the originals of any Primary Mortgage
Insurance Policies, any certificates of renewal, and such other documents or
instruments that constitute portions of the Mortgage File that come into the
possession of the Master Servicer from time to time.

     Section 3.13 Realization Upon Defaulted Mortgage Loans. The Master Servicer
shall cause each Servicer (to the extent required under the Applicable Servicing
Agreement) to foreclose upon, repossess or otherwise comparably convert the
ownership of Mortgaged Properties securing such of the Mortgage Loans as come
into and continue in default and as to which no satisfactory arrangements can be
made for collection of Delinquent payments, all in accordance with the terms and
conditions of the Applicable Servicing Agreement.

     Section 3.14 Compensation for the Master Servicer. The Master Servicer will
be entitled to all income and gain realized from any investment of funds in the
Master Servicer Collection Account, pursuant to Article IV, for the performance
of its activities hereunder. Servicing compensation in the form of assumption
fees, if any, late payment charges, as collected, if any, or otherwise (but not
including any prepayment premium or penalty) shall be retained by the applicable
Servicer and need not be deposited in the Protected Account. The Master Servicer
shall be required to pay all expenses incurred by it in connection with its
activities hereunder and shall not be entitled to reimbursement therefor except
as provided in this Agreement.

     Section 3.15 REO Property.

     (a) In the event the Issuing Entity acquires ownership of any REO Property
in respect of any related Mortgage Loan, the deed or certificate of sale shall
be issued to the Trustee, or to its nominee, on behalf of the related
Certificateholders, which nominee shall not be a Servicer. The Master Servicer
shall, to the extent provided in this Agreement and the Applicable Servicing
Agreement, cause the applicable Servicer to comply with its obligations
hereunder and thereunder, as applicable, regarding any REO Property. Pursuant to
its efforts to sell such REO Property, the Master Servicer shall cause the
applicable Servicer to comply in the manner and to the extent required by this
Agreement and the Applicable Servicing Agreement, as applicable, in accordance
with the REMIC Provisions and in a manner that does not result in a tax on "net
income from foreclosure property" or cause such REO Property to fail to qualify
as "foreclosure property" within the meaning of Section 860G(a)(8) of the Code.

     (b) The Master Servicer shall, to the extent required by the Applicable
Servicing Agreement, cause the applicable Servicer to deposit all funds
collected and received in connection with the operation of any REO Property in a
Protected Account.

     (c) The Master Servicer and the applicable Servicer, upon the final
disposition of any REO Property, shall be entitled to reimbursement for any
related unreimbursed Advances and other unreimbursed advances as well as any
unpaid Servicing Fees from Liquidation Proceeds received in connection with the
final disposition of such REO Property; provided, that any such unreimbursed
Advances as well as any unpaid Servicing Fees may be reimbursed or paid, as the


                                      -78-

<PAGE>

case may be, prior to final disposition, out of any net rental income or other
net amounts derived from such REO Property.

     (d) To the extent provided in this Agreement, the Liquidation Proceeds from
the final disposition of the REO Property, net of any payment to the Master
Servicer and the applicable Servicer as provided above shall be deposited in a
Protected Account on or prior to the Determination Date in the month following
receipt thereof and be remitted by wire transfer in immediately available funds
to the Master Servicer for deposit into the related Master Servicer Collection
Account on the next succeeding Servicer Remittance Date.

     Section 3.16 Annual Statement as to Compliance.

     The Master Servicer and the Securities Administrator shall deliver (or
otherwise make available) (and the Master Servicer and Securities Administrator
shall cause any Servicing Function Participant engaged by it to deliver) to the
Depositor and the Securities Administrator on or before March 1 (with a
ten-calendar day cure period) of each year, commencing in March 2008, an
Officer's Certificate stating, as to the signer thereof, that (A) a review of
such party's activities during the preceding calendar year or portion thereof
and of such party's performance under this Agreement, or such other applicable
agreement in the case of a Servicing Function Participant, has been made under
such officer's supervision and (B) to the best of such officer's knowledge,
based on such review, such party has fulfilled all its obligations under this
Agreement, or such other applicable agreement in the case of a Servicing
Function Participant, in all material respects throughout such year or portion
thereof, or, if there has been a failure to fulfill any such obligation in any
material respect, specifying each such failure known to such officer and the
nature and status thereof.

     The Master Servicer shall include all annual statements of compliance
received by it from each Servicer with its own annual statement of compliance to
be submitted to the Securities Administrator pursuant to this Section.

     In the event the Master Servicer, the Securities Administrator or any
Servicing Function Participant engaged by any such party is terminated, assigns
its rights and obligations under or resigns pursuant to the terms of this
Agreement, or such other applicable agreement in the case of a Servicing
Function Participant, as the case may be, such party shall provide, an annual
statement of compliance pursuant to this Section 3.16 or to such applicable
agreement, as the case may be, notwithstanding any such termination, assignment
or resignation

     Section 3.17 Reports on Assessment of Compliance and Attestation.

     (a) By March 1 (with a ten-calendar day cure period) of each year,
commencing in March 2008, the Master Servicer, the Securities Administrator and
the Custodian each at its own expense, shall furnish or otherwise make
available, and each such party shall cause any Servicing Function Participant
engaged by it to furnish, each at its own expense, to the Securities
Administrator and the Depositor, a report on an assessment of compliance with
the Relevant Servicing Criteria that contains (A) a statement by such party of
its responsibility for assessing compliance with the Relevant Servicing
Criteria, (B) a statement that such party used the Relevant Servicing Criteria
to assess compliance with the Relevant Servicing Criteria, (C) such party's
assessment of compliance with the Relevant Servicing Criteria as of and for the
fiscal


                                      -79-

<PAGE>

year covered by the Form 10-K required to be filed pursuant to Sections 3.18(h),
(i), (j) and (k), including, if there has been any material instance of
noncompliance with the Relevant Servicing Criteria, a discussion of each such
failure and the nature and status thereof, and (D) a statement that a registered
public accounting firm has issued an attestation report on such party's
assessment of compliance with the Relevant Servicing Criteria as of and for such
period.

     No later than the end of each fiscal year for the Issuing Entity for which
a 10-K is required to be filed, the Master Servicer and the Custodian shall each
forward to the Securities Administrator and the Depositor the name of each
Servicing Function Participant engaged by it and what Relevant Servicing
Criteria will be addressed in the report on assessment of compliance prepared by
such Servicing Function Participant (provided, however, that the Master Servicer
need not provide such information to the Securities Administrator so long as the
Master Servicer and the Securities Administrator are the same Person). When the
Master Servicer, and the Securities Administrator (or any Servicing Function
Participant engaged by them) submit their assessments to the Securities
Administrator, such parties will also at such time include the assessment and
attestation pursuant to this Section 3.17 of each Servicing Function Participant
engaged by it.

     Promptly after receipt of each report on assessment of compliance, (i) the
Depositor shall review each such report and, if applicable, consult with such
Servicer, the Master Servicer, the Securities Administrator and any Servicing
Function Participant engaged by any such party as to the nature of any material
instance of noncompliance with the Relevant Servicing Criteria by such Servicer
by each such party, and (ii) the Securities Administrator shall confirm that the
assessments individually address the Relevant Servicing Criteria for each party
as set forth on Exhibit K in respect of each Servicer and notify the Depositor
of any exceptions.

     The Master Servicer shall include all annual reports on assessment of
compliance received by it from the Servicers with its own assessment of
compliance to be submitted to the Securities Administrator pursuant to this
Section.

     In the event the Master Servicer, the Securities Administrator or any
Servicing Function Participant engaged by any such party is terminated, assigns
its rights and obligations under or resigns pursuant to the terms of this
Agreement, or any other applicable agreement, as the case may be, such party
shall provide, an assessment of compliance pursuant to this Section 3.17,
coupled with an attestation as required in this Section 3.17, or such applicable
agreement notwithstanding any such termination, assignment or resignation.

     (b) By March 1 (with a ten-calendar day cure period) of each year,
commencing in March 2008, the Master Servicer, the Securities Administrator and
the Custodian, each at its own expense, shall cause, and each such party shall
cause any Servicing Function Participant engaged by it to cause, each at its own
expense, a registered public accounting firm (which may also render other
services to the Master Servicer, the Trustee, the Securities Administrator, or
such other Servicing Function Participants, as the case may be) and that is a
member of the American Institute of Certified Public Accountants to furnish an
attestation report to the Securities Administrator and the Depositor, to the
effect that (i) it has obtained a representation regarding certain matters from
the management of such party, which includes an assertion that such party has
complied with the Relevant Servicing Criteria, and (ii) on the basis of an
examination conducted by such firm in accordance with standards for attestation
engagements issued or


                                      -80-

<PAGE>

adopted by the Public Company Accounting Oversight Board, it is expressing an
opinion as to whether such party's compliance with the Relevant Servicing
Criteria was fairly stated in all material respects, or it cannot express an
overall opinion regarding such party's assessment of compliance with the
Relevant Servicing Criteria. In the event that an overall opinion cannot be
expressed, such registered public accounting firm shall state in such report why
it was unable to express such an opinion. Such report must be available for
general use and not contain restricted use language.

     (c) Promptly after receipt of each assessment of compliance and attestation
report, the Securities Administrator shall confirm that each assessment
submitted pursuant to Section 3.17(a) is coupled with an attestation meeting the
requirements of Section 3.17(b) and notify the Depositor of any exceptions.

     The Master Servicer shall include each such attestation furnished to it by
the Servicers with its own attestation to be submitted to the Securities
Administrator pursuant to this Section.

     In the event the Master Servicer, the Securities Administrator, the
Custodian or any Servicing Function Participant engaged by any such party, is
terminated, assigns its rights and duties under, or resigns pursuant to the
terms of, this Agreement, or any applicable Custodial Agreement or Subservicing
Agreement, as the case may be, such party shall cause a registered public
accounting firm to provide an attestation pursuant to this Section 3.17, or such
other applicable agreement, notwithstanding any such termination, assignment or
resignation.

     Section 3.18 Periodic Filings.

     (a) Within four (4) Business Days after the occurrence of an event
requiring disclosure on Form 8-K (each such event, a "Reportable Event"), and if
requested by the Depositor, the Securities Administrator shall prepare and file
on behalf of the Issuing Entity a Form 8-K, as required by the Exchange Act,
provided that the Depositor shall file the initial Form 8-K in connection with
the issuance of the Certificates. Any disclosure or information related to a
Reportable Event or that is otherwise required to be included on Form 8-K (other
than the initial Form 8-K) ("Form 8-K Disclosure Information") shall be reported
by the parties set forth on Exhibit Q-3 to the Depositor and the Securities
Administrator and directed and approved by the Depositor, and the Securities
Administrator will have no duty or liability for any failure hereunder to
determine or prepare any Form 8-K Disclosure Information or any Form 8-K except
as set forth in the next paragraph.

     (b) For so long as the Issuing Entity is subject to the reporting
requirements of the Exchange Act, following the occurrence of a Reportable Event
(A) each party listed on Exhibit Q-3 hereto shall use commercially reasonable
best efforts to provide prompt notice to the Master Servicer, the Securities
Administrator and the Depositor, by fax and by phone or by e-mail and by phone,
(B) each such party shall be required to provide to the Securities Administrator
and the Depositor, to the extent known, in EDGAR-compatible format or in such
other format as agreed upon by the Securities Administrator and such party, the
form and substance of any Form 8-K Disclosure Information if applicable,
together with the form set forth on Exhibit O (the "Additional Disclosure
Notification") by the close of business New York City time on the 2nd Business
Day following the occurrence of such Reportable Event and (C) the Depositor,
shall approve, as to form and substance, or disapprove, as the case may be, the
inclusion of the Form


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<PAGE>

8-K Disclosure Information on Form 8-K. The Securities Administrator has no duty
under this Agreement to monitor or enforce the performance by the parties listed
on Exhibit Q-3 of their duties under this paragraph or proactively solicit or
procure from such parties any Form 8-K Disclosure Information. The Depositor
will be responsible for any reasonable fees and expenses assessed or incurred by
the Securities Administrator in connection with including any Form 8-K
Disclosure Information on Form 8-K pursuant to this paragraph.

     (c) After preparing the Form 8-K, the Securities Administrator shall, upon
request, forward electronically a copy of the Form 8-K to the Depositor.
Promptly, but no later than the close of business on the third Business Day
after the Reportable Event, the Depositor shall notify the Securities
Administrator in writing (which may be furnished electronically) of any changes
to or approval of such Form 8-K. In the absence of receipt of any written
changes or approval, or if the Depositor does not request a copy of a Form 8-K,
the Securities Administrator shall be entitled to assume that such Form 8-K is
in final form and the Securities Administrator may proceed with the process for
execution and filing of the Form 8-K. A duly authorized representative of the
Master Servicer shall sign each Form 8-K. If a Form 8-K cannot be filed on time
or if a previously filed Form 8-K needs to be amended, the Securities
Administrator will follow the procedures set forth in Section 3.18(n).

     (d) Promptly (but no later than one Business Day) after filing with the
Commission, the Securities Administrator will make available on its internet
website a final executed copy of each Form 8-K prepared and filed by the
Securities Administrator. The parties to this Agreement acknowledge that the
performance by the Master Servicer and the Securities Administrator of its
duties under this Section 3.18 related to the timely preparation, execution and
filing of Form 8-K is contingent upon the other parties hereto strictly
observing all applicable deadlines in the performance of their duties under this
Section 3.18. The Depositor acknowledges that the performance by the Master
Servicer and the Securities Administrator of its duties under this Section 3.18
related to the timely preparation, execution and filing of Form 8-K is also
contingent upon the Servicers, the Custodian and any Servicing Function
Participant strictly observing deadlines no later than those set forth in this
paragraph that are applicable to the parties to this Agreement in the delivery
to the Securities Administrator of any necessary Form 8-K Disclosure Information
pursuant to this Agreement, the Custodial Agreement or any other applicable
agreement. Neither the Master Servicer nor the Securities Administrator shall
have any liability for any loss, expense, damage or claim arising out of or with
respect to any failure to properly prepare, execute and/or timely file such Form
8-K, where such failure results from the Securities Administrator's inability or
failure to obtain or receive, on a timely basis, any information from any other
party hereto or any Servicer, Custodian or Servicing Function Participant needed
to prepare, arrange for execution or file such Form 8-K.

     (e) Within fifteen (15) days after each Distribution Date (subject to
permitted extensions under the Exchange Act), the Securities Administrator
shall, on behalf of the Issuing Entity and in accordance with industry
standards, prepare and file with the Commission via the Electronic Data
Gathering and Retrieval System (EDGAR), a Form 10-D with a copy of the Monthly
Statement for such Distribution Date as an exhibit thereto. Any disclosure in
addition to the Monthly Statement that is required to be included on Form 10-D
("Additional Form 10-D Disclosure") shall be reported by the parties set forth
on Exhibit Q-1 to the Depositor and the Securities Administrator and directed
and approved by the Depositor pursuant to the following


                                      -82-

<PAGE>

paragraph, and the Securities Administrator will have no duty or liability for
any failure hereunder to determine or prepare any Additional Form 10-D
Disclosure except as set forth in the next paragraph.

     (f) As set forth in Exhibit Q-1 hereto, for so long as the Issuing Entity
is subject to the reporting requirements of the Exchange Act, within five (5)
calendar days after the related Distribution Date (i) each party listed on
Exhibit Q-1 hereto shall be required to provide to the Depositor and the
Securities Administrator, to the extent known, in EDGAR-compatible format or in
such other format as agreed upon by the Securities Administrator and such party,
the form and substance of any Additional Form 10-D Disclosure if applicable
together with an Additional Disclosure Notification, and (ii) the Depositor will
approve, as to form and substance, or disapprove, as the case may be, the
inclusion of the Additional Form 10-D Disclosure on Form 10-D. The Securities
Administrator has no duty under this Agreement to monitor or enforce the
performance by the parties listed on Exhibit Q-1 of their duties under this
paragraph or proactively solicit or procure from such parties any Additional
Form 10-D Disclosure Information. The Depositor will be responsible for any
reasonable fees and expenses incurred by the Securities Administrator in
connection with including any Additional Form 10-D Disclosure on Form 10-D
pursuant to this paragraph.

     (g) After preparing the Form 10-D, the Securities Administrator shall, upon
request, forward electronically a copy of the Form 10-D to the Depositor
(provided that such Form 10-D includes any Additional Form 10-D Disclosure).
Within two Business Days after receipt of such copy, but no later than the 12th
calendar day after the Distribution Date, the Depositor shall notify the
Securities Administrator in writing (which may be furnished electronically) of
any changes to or approval of such Form 10-D. In the absence of receipt of any
written changes or approval, or if the Depositor does not request a copy of a
Form 10-D, the Securities Administrator shall be entitled to assume that such
Form 10-D is in final form and the Securities Administrator may proceed with the
process for execution and filing of the Form 10-D. A duly authorized
representative of the Master Servicer shall sign each Form 10-D. If a Form 10-D
cannot be filed on time or if a previously filed Form 10-D needs to be amended,
the Securities Administrator will follow the procedures set forth in Section
3.18(n). Promptly (but not later than one Business Day) after filing with the
Commission, the Securities Administrator will make available on its internet
website a final executed copy of each Form 10-D prepared and filed by the
Securities Administrator. Form 10-D requires the registrant to indicate (by
checking "yes" or "no") that it "(1) has filed all reports required to be filed
by Section 13 or 15(d) of the Exchange Act during the preceding 12 months (or
for such shorter period that the registrant was required to file such reports),
and (2) has been subject to such filing requirements for the past 90 days." The
Depositor hereby represents to the Securities Administrator that the Depositor
has filed all such required reports during the preceding 12 months and that it
has been subject to such filing requirement for the past 90 days. The Depositor
shall notify the Securities Administrator in writing, no later than the fifth
calendar day after the related Distribution Date with respect to the filing of a
report on Form 10-D, if the answer to the questions should be "no." The
Securities Administrator shall be entitled to rely on such representations in
preparing, executing and/or filing any such Form 10-D. The parties to this
Agreement acknowledge that the performance by the Master Servicer and the
Securities Administrator of its respective duties under this Section 3.18
related to the timely preparation, execution and filing of Form 10-D is
contingent upon the other parties hereto strictly observing all applicable
deadlines in the performance of their duties


                                      -83-

<PAGE>

under this Section 3.18. The Depositor acknowledges that the performance by the
Master Servicer and the Securities Administrator of its duties under this
Section 3.18 related to the timely preparation, execution and filing of Form
10-D is also contingent upon the Servicers, the Custodian and any Servicing
Function Participant strictly observing deadlines no later than those set forth
in this paragraph that are applicable to the parties to this Agreement in the
delivery to the Securities Administrator of any necessary Additional Form 10-D
Disclosure pursuant to this Agreement, the Custodial Agreement or any other
applicable agreement. Neither the Master Servicer nor the Securities
Administrator will have any liability for any loss, expense, damage or claim
arising out of or with respect to any failure to properly prepare, execute
and/or timely file such Form 10-D resulting from the Securities Administrator's
inability or failure to obtain or receive any information needed to prepare,
arrange for execution or file such Form 10-D on a timely basis.

     (h) On or prior to the 90th calendar day after the end of the fiscal year
for the Issuing Entity or such earlier date as may be required by the Exchange
Act (the "10-K Filing Deadline") (it being understood that the fiscal year for
the Issuing Entity ends on December 31st of each year) commencing in March 2008,
the Securities Administrator shall, on behalf of the Issuing Entity and in
accordance with industry standards, prepare and file with the Commission via
EDGAR a Form 10-K with respect to the Issuing Entity. Such Form 10-K shall
include the following items, in each case, as applicable, to the extent they
have been delivered to the Securities Administrator within the applicable time
frames set forth in this Agreement and Custodial Agreement: (i) an annual
compliance statement for the Master Servicer, each Servicer, the Securities
Administrator and any Servicing Function Participant engaged by any such party
(together with the Custodian, each a "Reporting Servicer"), as described in
Section 3.16 or Section 16.04 of this Agreement, as applicable, and the
Custodial Agreement; provided, however, that the Securities Administrator, at
its discretion, may omit from the Form 10-K any annual compliance statement that
is not required to be filed with such Form 10-K pursuant to Regulation AB;
(ii)(A) the annual reports on assessment of compliance with Servicing Criteria
for each Reporting Servicer (unless the Depositor has determined that such
compliance statement is not required by Regulation AB), as described in Section
3.17 or Section 16.05 of this Agreement, as applicable, and the Custodial
Agreement, and (B) if any Reporting Servicer's report on assessment of
compliance with Servicing Criteria described in Section 3.17 or Section 16.05,
as applicable, identifies any material instance of noncompliance, disclosure
identifying such instance of noncompliance, or if any Reporting Servicer's
report on assessment of compliance with Servicing Criteria described in Section
3.17 or Section 16.05 of this Agreement, as applicable, is not included as an
exhibit to such Form 10-K, disclosure that such report is not included and an
explanation why such report is not included; provided, however, that the
Securities Administrator, at its discretion, may omit from the Form 10-K any
assessment of compliance or attestation report described in clause (iii) below
that is not required to be filed with such Form 10-K pursuant to Regulation AB;
(iii)(A) the registered public accounting firm attestation report for each
Reporting Servicer, as described in Section 3.17 and Section 16.05 of this
Agreement and the Custodial Agreement, and (B) if any registered public
accounting firm attestation report described under Section 3.17 or Section
16.05, as applicable, of this Agreement identifies any material instance of
noncompliance, disclosure identifying such instance of noncompliance, or if any
such registered public accounting firm attestation report is not included as an
exhibit to such Form 10-K, disclosure that such report is not included and an
explanation why such report is not included, and (iv) a Sarbanes-Oxley
Certification in the form attached


                                       -84-

<PAGE>

hereto as Exhibit L, executed by the senior officer in charge of securitizations
of the Master Servicer. Any disclosure or information in addition to (i) through
(iv) above that is required to be included on Form 10-K ("Additional Form 10-K
Disclosure") shall be reported by the parties as set forth in Exhibit Q-2 to the
Depositor and the Securities Administrator and directed and approved by the
Depositor pursuant to the following paragraph and the Securities Administrator
will have no duty or liability for any failure hereunder to determine or prepare
any Additional Form 10-K Disclosure except or set forth in the next paragraph.

     (i) As set forth in Exhibit Q-2 hereto, no later than March 1 (with a ten
calendar day cure period) of each year that the Issuing Entity is subject to the
Exchange Act reporting requirements, commencing in March 2008, (i) the parties
listed on Exhibit Q-2 hereto shall be required to provide to the Depositor and
the Securities Administrator, to the extent known, in EDGAR-compatible format or
in such other format as agreed upon by the Securities Administrator and such
party, the form and substance of any Additional Form 10-K Disclosure, if
applicable together with an Additional Disclosure Notification, and (ii) the
Depositor will approve, as to form and substance, or disapprove, as the case may
be, the inclusion of the Additional Form 10-K Disclosure and shall forward such
Additional Form 10-K Disclosure. The Securities Administrator has no duty under
this Agreement to monitor or enforce the performance by the parties listed on
Exhibit Q-2 of their duties under this paragraph or proactively solicit or
procure from such parties any Additional Form 10-K Disclosure Information. The
Depositor will be responsible for any reasonable fees and expenses incurred by
the Securities Administrator in connection with including any Additional Form
10-K Disclosure on Form 10-K pursuant to this paragraph.

     (j) After preparing the Form 10-K, the Securities Administrator shall, upon
request, forward electronically a copy of the Form 10-K to the Depositor. Within
three Business Days after receipt of such copy, but no later than March 25th,
the Depositor shall notify the Securities Administrator in writing (which may be
furnished electronically) of any changes to or approval of such Form 10-K. In
the absence of receipt of any written changes or approval, or if the Depositor
does not request a copy of a Form 10-K, the Securities Administrator shall be
entitled to assume that such Form 10-K is in final form and the Securities
Administrator may proceed with the process for execution and filing of the Form
10-K. A senior officer of the Master Servicer in charge of the master servicing
function shall sign the Form 10-K. If a Form 10-K cannot be filed on time or if
a previously filed Form 10-K needs to be amended, the Securities Administrator
will follow the procedures set forth in Section 3.18(n). Promptly (but no later
than one Business Day) after filing with the Commission, the Securities
Administrator will make available on its internet website a final executed copy
of each Form 10-K prepared and filed by the Securities Administrator. Form 10-K
requires the registrant to indicate (by checking "yes" or "no") that it "(1) has
filed all reports required to be filed by Section 13 or 15(d) of the Exchange
Act during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days." The Depositor hereby represents to
the Securities Administrator that the Depositor has filed all such required
reports during the preceding 12 months and that it has been subject to such
filing requirement for the past 90 days. The Depositor shall notify the
Securities Administrator in writing, no later than the 15th calendar day of
March in any year in which the Trust is subject to the reporting requirements of
the Exchange Act, if the answer to the questions should be "no." The Securities
Administrator shall be entitled to rely on such representations in preparing,


                                      -85-

<PAGE>

executing and/or filing any such Form 10-K. The parties to this Agreement
acknowledge that the performance by the Master Servicer and the Securities
Administrator of its duties under this Section 3.18 related to the timely
preparation, execution and filing of Form 10-K is contingent upon such parties
(and any Servicing Function Participant) strictly observing all applicable
deadlines in the performance of their duties under this Section 3.18, Section
3.16 and Section 3.17. The Depositor acknowledges that the performance by the
Master Servicer and the Securities Administrator of its duties under this
Section 3.18 related to the timely preparation, execution and filing of Form
10-K is also contingent upon the Servicers, the Custodian and any Servicing
Function Participant strictly observing deadlines no later than those set forth
in this paragraph that are applicable to the parties to this Agreement in the
delivery to the Securities Administrator of any necessary Additional Form 10-K
Disclosure, any annual statement of compliance and any assessment of compliance
and attestation pursuant to this Agreement, the Custodial Agreement or any other
applicable agreement. Neither the Master Servicer nor the Securities
Administrator shall have any liability for any loss, expense, damage or claim
arising out of or with respect to any failure to properly prepare, execute
and/or timely file such Form 10-K resulting from the Securities Administrator's
inability or failure to obtain or receive any information from any other party
hereto or any Servicer, Custodian or Servicing Function Participant needed to
prepare, execute or file such Form 10-K.

     (k) Each Form 10-K shall include a Sarbanes-Oxley Certification, which
shall be in the form attached hereto as Exhibit L. The Company (with respect to
any year that it acted as a Servicer hereunder) shall sign and provide and cause
each subcontractor and subservicer determined by the Company to be
"participating in the servicing function" within the meaning of Item 1122 of
Regulation AB, if any, to provide a Sarbanes Certification as defined in Section
16.05 hereof pursuant to and in accordance with the time frames set forth in
Section 16.05 hereof, and each of the Master Servicer and the Securities
Administrator shall cause any Servicing Function Participant engaged by it to
sign and provide, to the person who signs the Sarbanes-Oxley Certification (the
"Certifying Person") by March 1 (with a ten day cure period) of each year in
which the Issuing Entity is subject to the reporting requirements of the
Exchange Act and otherwise within a reasonable period of time upon request, a
certification (a "Back-Up Certification") (in the form attached hereto as
Exhibit M) upon which the Certifying Person, the entity for which the Certifying
Person acts as an officer and such entity's officers, directors and affiliates
(collectively, with the Certifying Person, the "Certification Parties") can
reasonably rely. The senior officer of the Master Servicer in charge of the
master servicing function shall serve as the Certifying Person on behalf of the
Issuing Entity. Such officer of the Certifying Person can be contacted by e-mail
at cts.sec.notifications@wellsfargo.com or by facsimile at 410-715-2380. In the
event any such party or Servicing Function Participant engaged by any such party
is terminated or resigns pursuant to the terms of this Agreement, or any other
applicable agreement, as the case may be, such party shall provide a Back-Up
Certification to the Master Servicer pursuant to this Section 3.18 with respect
to the period of time it was subject to this Agreement or any other applicable
agreement, as the case may be. Notwithstanding the foregoing, (i) the Master
Servicer and the Securities Administrator shall not be required to deliver a
Back-Up Certification to each other if both are the same Person and the Master
Servicer is the Certifying Person and (ii) the Master Servicer shall not be
obligated to sign the Sarbanes-Oxley Certification in the event that it does not
receive any Back-Up Certification required to be furnished to it pursuant to the
Applicable Servicing Agreement or Custodial Agreement.


                                      -86-

<PAGE>

     (l) The Securities Administrator shall have no responsibility to file any
items with the Commission other than those specified in this Section and the
Master Servicer shall execute any and all Form 10-Ds, 8-Ks and 10-Ks required
hereunder.

     (m) On or prior to January 30 of the first year in which the Securities
Administrator is able to do so under applicable law, the Securities
Administrator shall prepare and file a Form 15 Suspension Notification relating
to the automatic suspension of reporting in respect of the Issuing Entity under
the Exchange Act.

     (n) In the event that the Securities Administrator is unable to timely file
with the Commission all or any required portion of any Form 8-K, 10-D or 10-K
required to be filed by this Agreement because required disclosure information
was either not delivered to it or delivered to it after the delivery deadlines
set forth in this Agreement or for any other reason, the Securities
Administrator will promptly notify electronically the Depositor of such
inability to make a timely filing with the Commission. In the case of Form 10-D
and 10-K, the parties to this Agreement will cooperate to prepare and file a
Form 12b-25 and a 10-D/A and 10K/A, as applicable, pursuant to Rule 12b-25 of
the Exchange Act. In the case of Form 8-K, the Securities Administrator will,
upon receipt of all required Form 8-K Disclosure Information and upon the
approval and direction of the Depositor, include such disclosure information on
the next succeeding Form 10-D to be filed for the Issuing Entity. In the event
that any previously filed Form 8-K, 10-D or 10-K needs to be amended, in
connection with any Additional Form 10-D Disclosure (other than, in the case of
Form 10-D, for the purpose of restating any Monthly Statement), Additional Form
10-K Disclosure or Form 8-K Disclosure Information, the Securities Administrator
will electronically notify the Depositor and such other parties to the
transaction as are affected by such amendment, and such parties will cooperate
to prepare any necessary 8-K/A, 10-D/A or 10-K/A. Any Form 15, Form 12b-25 or
any amendment to Form 8-K, 10-D or 10-K shall be signed by duly authorized
representative or a senior officer in charge of master servicing, as applicable,
of the Master Servicer. The parties to this Agreement acknowledge that the
performance by the Master Servicer of its duties under this Section 3.18 related
to the timely preparation, execution and filing of Form 15, a Form 12b-25 or any
amendment to Form 8-K, 10-D or 10-K is contingent upon each such party
performing its duties under this Section. Neither the Master Servicer nor the
Securities Administrator shall have any liability for any loss, expense, damage
or claim arising out of or with respect to any failure to properly prepare,
execute and/or timely file any such Form 15, Form 12b-25 or any amendments to
Forms 8-K, 10-D or 10-K, where such failure results from the Securities
Administrator's inability or failure to receive, on a timely basis, any
information from any other party hereto or any Servicer, any Custodian or any
Servicing Function Participant needed to prepare, arrange for execution or file
such Form 15, Form 12b-25 or any amendments to Forms 8-K, 10-D or 10-K.

     (o) The Depositor and the Securities Administrator agree to use their good
faith efforts to cooperate in complying with the requirements of this Section
3.18.

     (p) Each of the parties agrees to provide to the Securities Administrator
such additional information related to such party as the Securities
Administrator may reasonably request, including evidence of the authorization of
the person signing any certificate or statement, financial information and
reports, and such other information related to such party or its performance
hereunder.


                                      -87-

<PAGE>

     (q) Any notice or notification required to be delivered by the Securities
Administrator or Master Servicer to the Depositor pursuant to this Section 3.18,
may be delivered via facsimile to (212) 449-2700, via email to paul_park@ml.com
or telephonically by calling Paul Park at (212) 449-6380.

     Section 3.19 Compliance with Regulation AB. Each of the parties hereto
acknowledges and agrees that the purpose of Sections 3.16, 3.17 and 3.18 is to
facilitate compliance by the Depositor with the provisions of Regulation AB, as
such may be amended or clarified from time to time. Therefore, each of the
parties agrees that the parties' obligations hereunder will be supplemented and
modified as necessary to be consistent with any such amendments, interpretive
advice or guidance, convention or consensus among active participants in the
asset-backed securities markets, advice of counsel, or otherwise in respect of
the requirements of Regulation AB and the parties shall comply with requests
made by the Depositor (consistent with any such amendments, interpretive advice
or guidance, convention, consensus or advice of counsel) for delivery of
additional or different information as the Depositor may determine in good faith
is necessary to comply with the provisions of Regulation AB. Any such
supplementation or modification shall be made in accordance with Section 11.02
without the consent of the Certificateholders, and may result in a change in the
reports filed by the Securities Administrator on behalf of the Issuing Entity
under the Exchange Act.

     Section 3.20 Servicing Rights Owner.

     At the Servicing Rights Owner's request, the Company shall resign as
Servicer with respect to those Mortgage Loans it is servicing hereunder upon the
selection and appointment of a successor servicer by the Servicing Rights Owner;
provided that the Servicing Rights Owner delivers to the Master Servicer, the
Trustee, the Securities Administrator and the Company a letter indicating that
such successor servicer designated by the Servicing Rights Owner meets the
eligibility requirements for a successor servicer, including that such succes