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POOLING AND SERVICING AGREEMENT

Pooling and Servicing Agreement

POOLING AND SERVICING AGREEMENT | Document Parties: MERRILL LYNCH MORTGAGE INVESTORS TRUST SERIES 2006-MLN1 | WILSHIRE CREDIT CORPORATION, | LASALLE BANK NATIONAL ASSOCIATION, You are currently viewing:
This Pooling and Servicing Agreement involves

MERRILL LYNCH MORTGAGE INVESTORS TRUST SERIES 2006-MLN1 | WILSHIRE CREDIT CORPORATION, | LASALLE BANK NATIONAL ASSOCIATION,

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Title: POOLING AND SERVICING AGREEMENT
Governing Law: Delaware     Date: 10/16/2006

POOLING AND SERVICING AGREEMENT, Parties: merrill lynch mortgage investors trust series 2006-mln1 , wilshire credit corporation  , lasalle bank national association
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<PAGE>

                                                                     Exhibit 4.1

                                                                  EXECUTION COPY

                     MERRILL LYNCH MORTGAGE INVESTORS, INC.,
                                     Depositor

                          WILSHIRE CREDIT CORPORATION,
                                    Servicer

                                       and

                       LASALLE BANK NATIONAL ASSOCIATION,
                                      Trustee

                                   ----------

                         POOLING AND SERVICING AGREEMENT
                          Dated as of September 1, 2006

                                   ----------

                     MERRILL LYNCH MORTGAGE INVESTORS TRUST,
            MORTGAGE LOAN ASSET-BACKED CERTIFICATES, SERIES 2006-MLN1

<PAGE>

                                TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                            PAGE
                                                                            ----
<S>                                                                          <C>
ARTICLE I DEFINITIONS....................................................      14

ARTICLE II CONVEYANCE OF MORTGAGE LOANS; REPRESENTATIONS AND
           WARRANTIES....................................................      69
   SECTION 2.01.    Conveyance of Mortgage Loans..........................      69
   SECTION 2.02.    Acceptance by the Trustee of the Mortgage Loans.......      71
   SECTION 2.03.    Representations, Warranties and Covenants of the
                   Depositor.............................................      73
   SECTION 2.04.    Representations and Warranties of the Servicer........      77
   SECTION 2.05.    Substitutions and Repurchases of Mortgage Loans
                   that are not "Qualified Mortgages"....................      78
   SECTION 2.06.    Authentication and Delivery of Certificates...........      78
   SECTION 2.07.    REMIC Elections.......................................      78
   SECTION 2.08.    [RESERVED]............................................      84
   SECTION 2.09.    Covenants of the Servicer.............................      84
   SECTION 2.10.    [RESERVED]............................................      84
   SECTION 2.11.    Permitted Activities of the Trust.....................      84
   SECTION 2.12.    Qualifying Special Purpose Entity.....................      84
   SECTION 2.13.    Depositor Notification of NIM Notes...................      84

ARTICLE III ADMINISTRATION AND SERVICING OF MORTGAGE LOANS...............      84
   SECTION 3.01.    Servicer to Service Mortgage Loans....................      84
   SECTION 3.02.    Servicing and Subservicing; Enforcement of the
                   Obligations of Servicer...............................      86
   SECTION 3.03.    Rights of the Depositor and the Trustee in Respect of
                   the Servicer .........................................      87
   SECTION 3.04.    Trustee to Act as Servicer............................      87
   SECTION 3.05.    Collection of Mortgage Loan Payments; Collection
                   Account; Certificate Account..........................      88
   SECTION 3.06.    Collection of Taxes, Assessments and Similar Items;
                   Escrow Accounts.......................................      92
   SECTION 3.07.    Access to Certain Documentation and Information
                   Regarding the Mortgage Loans..........................      92
   SECTION 3.08.    Permitted Withdrawals from the Collection Account and
                   Certificate Account...................................      92
   SECTION 3.09.    [RESERVED]............................................      95
   SECTION 3.10.    Maintenance of Hazard Insurance.......................      95
   SECTION 3.11.    Enforcement of Due-On-Sale Clauses; Assumption
                   Agreements............................................      96
</TABLE>


                                        -i-

<PAGE>

                                TABLE OF CONTENTS
                                   (continued)

<TABLE>
<CAPTION>
                                                                            PAGE
                                                                             ----
<S>                                                                          <C>
   SECTION 3.12.    Realization Upon Defaulted Mortgage Loans;
                   Determination of Excess Proceeds; Special Loss
                    Mitigation............................................      96
   SECTION 3.13.    Trustee to Cooperate; Release of Mortgage Files.......      99
   SECTION 3.14.    Documents, Records and Funds in Possession of
                   Servicer to be Held for the Trustee...................     100
   SECTION 3.15.    Servicing Compensation................................     101
   SECTION 3.16.    Access to Certain Documentation.......................     101
   SECTION 3.17.    Annual Statement as to Compliance.....................     101
   SECTION 3.18.    Annual Independent Public Accountants' Servicing
                   Statement; Financial Statements.......................     102
   SECTION 3.19.    Rights of the NIMs Insurer............................     104
   SECTION 3.20.    Periodic Filings......................................     104
   SECTION 3.21.    Indemnification by Trustee............................     108
   SECTION 3.22.    Indemnification by Servicer...........................     108
    SECTION 3.23.    Prepayment Charge Reporting Requirements..............     109
   SECTION 3.24.    Information to the Trustee............................     109
   SECTION 3.25.    Indemnification.......................................     109
   SECTION 3.26.    Nonsolicitation.......................................     110
   SECTION 3.27.    High Cost Mortgage Loans..............................     110
   SECTION 3.28.    Subordination of Liens................................     110
   SECTION 3.29.    Interim Servicing Period Responsibilities.............     111

ARTICLE IV DISTRIBUTIONS.................................................     111
   SECTION 4.01.    Advances..............................................     111
   SECTION 4.02.    Reduction of Servicing Compensation in Connection with
                   Prepayment Interest Shortfalls........................     112
   SECTION 4.03.    Distributions on the REMIC Interests..................     112
   SECTION 4.04.    Distributions.........................................     113
   SECTION 4.05.    Monthly Statements to Certificateholders..............     122

ARTICLE V THE CERTIFICATES...............................................     126
   SECTION 5.01.    The Certificates......................................     126
   SECTION 5.02.    Certificate Register; Registration of Transfer and
                   Exchange of Certificates..............................     128
   SECTION 5.03.    Mutilated, Destroyed, Lost or Stolen Certificates.....     132
   SECTION 5.04.    Persons Deemed Owners.................................     133
</TABLE>


                                      -ii-

<PAGE>

                                TABLE OF CONTENTS
                                   (continued)

<TABLE>
<CAPTION>
                                                                             PAGE
                                                                            ----
<S>                                                                          <C>
   SECTION 5.05.    Access to List of Certificateholders' Names and
                   Addresses.............................................     133
   SECTION 5.06.    Book-Entry Certificates...............................     133
   SECTION 5.07.    Notices to Depository.................................     134
   SECTION 5.08.    Definitive Certificates...............................     134
   SECTION 5.09.    Maintenance of Office or Agency.......................     135
   SECTION 5.10.    Authenticating Agents.................................     135

ARTICLE VI THE DEPOSITOR AND THE SERVICER................................     136
   SECTION 6.01.    Respective Liabilities of the Depositor and the
                   Servicer..............................................     136
   SECTION 6.02.    Merger or Consolidation of the Depositor or the
                   Servicer..............................................     136
   SECTION 6.03.    Limitation on Liability of the Depositor, the Servicer
                   and Others............................................     136
   SECTION 6.04.    Limitation on Resignation of Servicer.................     137
   SECTION 6.05.    Errors and Omissions Insurance; Fidelity Bonds........     138

ARTICLE VII DEFAULT; TERMINATION OF SERVICER.............................     138
   SECTION 7.01.    Events of Default.....................................     138
   SECTION 7.02.    Trustee to Act; Appointment of Successor..............     140
   SECTION 7.03.    Notification to Certificateholders....................     141

ARTICLE VIII CONCERNING THE TRUSTEE......................................     141
   SECTION 8.01.    Duties of the Trustee.................................     141
   SECTION 8.02.    Certain Matters Affecting the Trustee.................     142
   SECTION 8.03.    Trustee Not Liable for Certificates or Mortgage
                   Loans.................................................     144
   SECTION 8.04.    Trustee May Own Certificates..........................     144
   SECTION 8.05.    Trustee's Fees and Expenses...........................     144
   SECTION 8.06.    Indemnification and Expenses of Trustee...............     144
   SECTION 8.07.    Eligibility Requirements for Trustee..................     145
   SECTION 8.08.    Resignation and Removal of Trustee....................     146
   SECTION 8.09.    Successor Trustee.....................................     146
   SECTION 8.10.    Merger or Consolidation of Trustee....................     147
   SECTION 8.11.    Appointment of Co-Trustee or Separate Trustee.........     147
   SECTION 8.12.    Tax Matters...........................................     148

ARTICLE IX TERMINATION...................................................     150
   SECTION 9.01.    Termination upon Liquidation or Repurchase of all
                   Mortgage Loans........................................     150
   SECTION 9.02.    Final Distribution on the Certificates................     152
</TABLE>


                                      -iii-

<PAGE>

                                 TABLE OF CONTENTS
                                   (continued)

<TABLE>
<CAPTION>
                                                                            PAGE
                                                                            ----
<S>                                                                          <C>
   SECTION 9.03.    Additional Termination Requirements...................     153

ARTICLE X MISCELLANEOUS PROVISIONS.......................................     154
   SECTION 10.01.   Amendment.............................................     154
   SECTION 10.02.   Counterparts..........................................     156
   SECTION 10.03.   Governing Law.........................................     157
   SECTION 10.04.   Intention of Parties..................................     157
   SECTION 10.05.   Notices...............................................     157
   SECTION 10.06.   Severability of Provisions............................     158
   SECTION 10.07.   Assignment............................................     158
   SECTION 10.08.   Limitation on Rights of Certificateholders............     159
   SECTION 10.09.   Inspection and Audit Rights...........................     160
   SECTION 10.10.   Certificates Nonassessable and Fully Paid.............     160
   SECTION 10.11.   Compliance with Regulation AB.........................     161
   SECTION 10.12.   Third Party Rights....................................     161
   SECTION 10.13.   Additional Rights of the NIMs Insurer.................     161
</TABLE>


                                      -iv-


<PAGE>

EXHIBIT A      FORMS OF CERTIFICATES
EXHIBIT B      MORTGAGE LOAN SCHEDULE
EXHIBIT C      SCHEDULE OF INTERIM SERVICED MORTGAGE LOANS
EXHIBIT D      FORM OF TRUSTEE CERTIFICATION
EXHIBIT E-1    FORM OF CLASS R TRANSFEREE'S LETTER AND AFFIDAVIT
EXHIBIT E-2    FORM OF CLASS R TRANSFEROR'S AFFIDAVIT
EXHIBIT F      FORM OF TRANSFEROR CERTIFICATE
EXHIBIT G      FORM OF INVESTMENT LETTER (ACCREDITED INVESTOR)
EXHIBIT H      FORM OF RULE 144A LETTER (QUALIFIED INSTITUTIONAL BUYER)
EXHIBIT I      FORM OF REQUEST FOR RELEASE
EXHIBIT J      [RESERVED]
EXHIBIT K      FORM OF BACK-UP CERTIFICATION OF TRUSTEE
EXHIBIT L      FORM OF OFFICER'S CERTIFICATE OF SERVICER
EXHIBIT M-1    FORM OF CLASS A-1 CAP CONTRACT
EXHIBIT M-2    FORM OF CLASS A-2 CAP CONTRACT
EXHIBIT M-3    FORM OF SUBORDINATE CERTIFICATES CAP CONTRACT
EXHIBIT N-1    ONE-MONTH LIBOR CAP TABLE -- CLASS A-1 CAP CONTRACT
EXHIBIT N-2    ONE-MONTH LIBOR CAP TABLE -- CLASS A-2 CAP CONTRACT
EXHIBIT N-3    ONE-MONTH LIBOR CAP TABLE -- SUBORDINATE CERTIFICATES CAP
              CONTRACT
EXHIBIT O      FORM OF TRANSFEROR REPRESENTATION LETTER FOR TRANSFER TO
              REGULATION S BOOK-ENTRY CERTIFICATE FROM A HOLDER OF A RULE
              144A   BOOK-ENTRY   CERTIFICATE   OR   DEFINITIVE CERTIFICATE
EXHIBIT P      FORM OF TRANSFEROR REPRESENTATION LETTER FOR TRANSFER
              PURSUANT TO RULE 144A FROM A HOLDER OF A REGULATION S
              BOOK-ENTRY CERTIFICATE OR DEFINITIVE CERTIFICATE
EXHIBIT Q      FORM OF SWAP AGREEMENT
EXHIBIT R      FORM OF ASSESSMENT OF COMPLIANCE
EXHIBIT S      SERVICING CRITERIA TO BE ADDRESSED
EXHIBIT T      FORM OF SARBANES-OXLEY CERTIFICATION
EXHIBIT U      FORM OF ITEM 1123 CERTIFICATION OF SERVICER
SCHEDULE X
SCHEDULE Y
SCHEDULE Z


                                       -i-
<PAGE>

     POOLING AND SERVICING AGREEMENT, dated as of September 1, 2006, among
MERRILL LYNCH MORTGAGE INVESTORS, INC., a Delaware corporation, as depositor
(the "Depositor"), WILSHIRE CREDIT CORPORATION, a Nevada corporation, as
servicer (the "Servicer"), and LASALLE BANK NATIONAL ASSOCIATION, a national
banking association, as trustee (the "Trustee").

     The Depositor is the owner of the Trust Fund that is hereby conveyed to the
Trustee in return for the Certificates. The Trust Fund for federal income tax
purposes will consist of (i) three real estate mortgage investment conduits,
(ii) the right to receive payments distributable to the Class P Certificates
pursuant to Section 4.04(b)(i) hereof, (iii) each Cap Contract and the Cap
Contract Account, (iv) the grantor trusts described in Section 2.07 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 Residual Interest. The "latest possible maturity date" for federal
income tax purposes of all interests created hereby will be the Latest Possible
Maturity Date.

     All covenants and agreements made by the Sponsor in the Sale Agreement and
by the Depositor and the Trustee herein with respect to the Mortgage Loans and
the other property constituting the Trust Fund are for the benefit of the
Holders from time to time of the Certificates and, to the extent provided
herein, the NIMs Insurer.

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>
                Initial
Class      Principal Balance    Interest Rate
-----      -----------------    -------------
<S>        <C>                  <C>
1-SW1       $74,089,779.877          (1)
1-SW1A       $ 7,469,451.121          (2)
1-SW1B      $ 7,469,451.121          (3)
1-SW2A      $ 7,931,993.582          (2)
1-SW2B      $ 7,931,993.582          (3)
1-SW3A      $ 8,046,175.462          (2)
1-SW3B      $ 8,046,175.462          (3)
1-SW4A      $ 8,023,622.361           (2)
1-SW4B      $ 8,023,622.361          (3)
</TABLE>

<PAGE>

<TABLE>
<S>        <C>                  <C>
1-SW5A      $ 7,770,379.321          (2)
1-SW5B      $ 7,770,379.321          (3)
1-SW6A      $ 7,405,827.474          (2)
1-SW6B      $ 7,405,827.474           (3)
1-SW7A      $ 6,948,387.989          (2)
1-SW7B      $ 6,948,387.989          (3)
1-SW8A      $ 6,484,515.850          (2)
1-SW8B      $ 6,484,515.850          (3)
1-SW9A      $ 6,011,692.080          (2)
1-SW9B      $ 6,011,692.080          (3)
1-SW10A     $ 5,611,565.064          (2)
1-SW10B     $ 5,611,565.064          (3)
1-SW11A     $ 5,214,510.973          (2)
1-SW11B     $ 5,214,510.973          (3)
1-SW12A     $ 4,849,848.235          (2)
1-SW12B     $ 4,849,848.235          (3)
1-SW13A     $ 4,620,114.727          (2)
1-SW13B     $ 4,620,114.727          (3)
1-SW14A     $ 4,514,788.710          (2)
1-SW14B     $ 4,514,788.710          (3)
1-SW15A     $ 4,511,055.734          (2)
1-SW15B     $ 4,511,055.734          (3)
1-SW16A     $ 4,462,689.857          (2)
1-SW16B     $ 4,462,689.857          (3)
1-SW17A     $ 4,370,109.437          (2)
1-SW17B     $ 4,370,109.437          (3)
1-SW18A     $ 4,152,041.856          (2)
1-SW18B     $ 4,152,041.856          (3)
1-SW19A     $ 3,910,903.014          (2)
1-SW19B     $ 3,910,903.014          (3)
1-SW20A     $ 3,597,361.781          (2)
1-SW20B     $ 3,597,361.781          (3)
1-SW21A     $ 3,295,269.986          (2)
1-SW21B     $ 3,295,269.986          (3)
1-SW22A     $ 3,009,029.730          (2)
1-SW22B     $ 3,009,029.730          (3)
1-SW23A     $ 2,773,469.685          (2)
1-SW23B     $ 2,773,469.685          (3)
1-SW24A     $ 1,874,604.809          (2)
1-SW24B     $ 1,874,604.809          (3)
1-SW25A     $ 2,025,600.301          (2)
1-SW25B     $ 2,025,600.301          (3)
1-SW26A     $ 1,999,267.096          (2)
1-SW26B     $ 1,999,267.096          (3)
1-SW27A     $ 1,915,903.688          (2)
1-SW27B     $ 1,915,903.688          (3)
</TABLE>


                                       -2-

<PAGE>

<TABLE>
<S>        <C>                  <C>
1-SW28A     $ 1,809,311.504          (2)
1-SW28B     $ 1,809,311.504          (3)
1-SW29A     $ 1,688,677.313          (2)
1-SW29B     $ 1,688,677.313          (3)
1-SW30A     $ 1,565,358.816          (2)
1-SW30B     $ 1,565,358.816          (3)
1-SW31A     $ 1,452,919.681          (2)
1-SW31B     $ 1,452,919.681          (3)
1-SW32A     $ 1,354,441.653          (2)
1-SW32B     $ 1,354,441.653          (3)
1-SW33A     $ 1,268,836.243          (2)
1-SW33B     $ 1,268,836.243          (3)
1-SW34A     $ 1,193,850.861          (2)
1-SW34B     $ 1,193,850.861          (3)
1-SW35A     $ 1,127,361.956          (2)
1-SW35B     $ 1,127,361.956          (3)
1-SW36A     $ 1,066,039.285          (2)
1-SW36B     $ 1,066,039.285          (3)
1-SW37A     $ 1,009,881.841          (2)
1-SW37B     $ 1,009,881.841          (3)
1-SW38A     $    957,421.838           (2)
1-SW38B     $    957,421.838          (3)
1-SW39A     $    908,779.239          (2)
1-SW39B     $    908,779.239          (3)
1-SW40A     $    863,231.491          (2)
1-SW40B     $    863,231.491          (3)
1-SW41A     $    820,285.888          (2)
1-SW41B     $    820,285.888          (3)
1-SW42A     $    779,979.226          (2)
1-SW42B     $    779,979.226          (3)
1-SW43A     $    733,367.938          (2)
1-SW43B     $    733,367.938          (3)
1-SW44A     $    695,960.305          (2)
1-SW44B     $    695,960.305           (3)
1-SW45A     $    672,300.063          (2)
1-SW45B     $    672,300.063          (3)
1-SW46A     $    620,164.666          (2)
1-SW46B     $    620,164.666          (3)
1-SW47A     $    628,055.782          (2)
1-SW47B     $    628,055.782          (3)
1-SW48A     $    588,809.384          (2)
1-SW48B     $    588,809.384          (3)
1-SW49A     $    564,582.845          (2)
1-SW49B     $    564,582.845          (3)
1-SW50A     $    557,385.299          (2)
1-SW50B     $    557,385.299          (3)
</TABLE>


                                        -3-

<PAGE>

<TABLE>
<S>        <C>                  <C>
1-SW51A     $    525,478.840          (2)
1-SW51B     $    525,478.840          (3)
1-SW52A     $    490,216.937          (2)
1-SW52B     $    490,216.937          (3)
1-SW53A     $    449,573.067           (2)
1-SW53B     $    449,573.067          (3)
1-SW54A     $    427,269.722          (2)
1-SW54B     $    427,269.722          (3)
1-SW55A     $    419,096.592          (2)
1-SW55B     $    419,096.592          (3)
1-SW56A     $    399,680.178          (2)
1-SW56B     $    399,680.178          (3)
1-SW57A     $    378,008.908          (2)
1-SW57B     $    378,008.908          (3)
1-SW58A     $    359,831.947          (2)
1-SW58B     $    359,831.947          (3)
1-SW59A     $10,335,882.790          (2)
1-SW59B     $10,335,882.790          (3)
2-SW2       $72,899,899.433          (4)
2-SW1A      $ 7,349,491.879          (5)
2-SW1B      $ 7,349,491.879          (6)
2-SW2A      $ 7,804,605.918          (5)
2-SW2B      $ 7,804,605.918          (6)
2-SW3A      $ 7,916,954.038          (5)
2-SW3B      $ 7,916,954.038          (6)
2-SW4A      $ 7,894,763.139          (5)
2-SW4B      $ 7,894,763.139          (6)
2-SW5A      $ 7,645,587.179          (5)
2-SW5B      $ 7,645,587.179          (6)
2-SW6A      $ 7,286,890.026          (5)
2-SW6B      $ 7,286,890.026          (6)
2-SW7A      $ 6,836,797.011          (5)
2-SW7B      $ 6,836,797.011          (6)
2-SW8A      $ 6,380,374.650          (5)
2-SW8B      $ 6,380,374.650          (6)
2-SW9A      $ 5,915,144.420          (5)
2-SW9B      $ 5,915,144.420          (6)
2-SW10A     $ 5,521,443.436          (5)
2-SW10B     $ 5,521,443.436          (6)
2-SW11A     $ 5,130,766.027          (5)
2-SW11B     $ 5,130,766.027          (6)
2-SW12A     $ 4,771,959.765          (5)
2-SW12B     $ 4,771,959.765          (6)
2-SW13A     $ 4,545,915.773          (5)
2-SW13B      $ 4,545,915.773          (6)
2-SW14A     $ 4,442,281.290          (5)
</TABLE>


                                       -4-

<PAGE>

<TABLE>
<S>        <C>                  <C>
2-SW14B     $ 4,442,281.290          (6)
2-SW15A     $ 4,438,608.266          (5)
2-SW15B     $ 4,438,608.266          (6)
2-SW16A     $ 4,391,019.143          (5)
2-SW16B     $ 4,391,019.143          (6)
2-SW17A     $ 4,299,925.563          (5)
2-SW17B     $ 4,299,925.563          (6)
2-SW18A     $ 4,085,360.144          (5)
2-SW18B     $ 4,085,360.144          (6)
2-SW19A     $ 3,848,093.986          (5)
2-SW19B     $ 3,848,093.986          (6)
2-SW20A     $ 3,539,588.219          (5)
2-SW20B     $ 3,539,588.219          (6)
2-SW21A     $ 3,242,348.014          (5)
2-SW21B     $ 3,242,348.014          (6)
2-SW22A      $ 2,960,704.770          (5)
2-SW22B     $ 2,960,704.770          (6)
2-SW23A     $ 2,728,927.815          (5)
2-SW23B     $ 2,728,927.815          (6)
2-SW24A     $ 1,844,498.691          (5)
2-SW24B     $ 1,844,498.691          (6)
2-SW25A     $ 1,993,069.199           (5)
2-SW25B     $ 1,993,069.199          (6)
2-SW26A     $ 1,967,158.904          (5)
2-SW26B     $ 1,967,158.904          (6)
2-SW27A     $ 1,885,134.312          (5)
2-SW27B     $ 1,885,134.312          (6)
2-SW28A     $ 1,780,253.996          (5)
2-SW28B     $ 1,780,253.996          (6)
2-SW29A     $ 1,661,557.187          (5)
2-SW29B     $ 1,661,557.187          (6)
2-SW30A     $ 1,540,219.184          (5)
2-SW30B     $ 1,540,219.184          (6)
2-SW31A     $ 1,429,585.819          (5)
2-SW31B     $ 1,429,585.819          (6)
2-SW32A     $ 1,332,689.347          (5)
2-SW32B     $ 1,332,689.347          (6)
2-SW33A     $ 1,248,458.757          (5)
2-SW33B     $ 1,248,458.757          (6)
2-SW34A     $ 1,174,677.639          (5)
2-SW34B     $ 1,174,677.639          (6)
2-SW35A     $ 1,109,256.544          (5)
2-SW35B     $ 1,109,256.544          (6)
2-SW36A     $ 1,048,918.715          (5)
2-SW36B     $ 1,048,918.715          (6)
2-SW37A     $    993,663.159          (5)
</TABLE>


                                       -5-

<PAGE>

<TABLE>
<S>        <C>                  <C>
2-SW37B     $    993,663.159          (6)
2-SW38A     $    942,045.662          (5)
2-SW38B     $    942,045.662          (6)
2-SW39A     $    894,184.261          (5)
2-SW39B     $    894,184.261          (6)
2-SW40A     $    849,368.009          (5)
2-SW40B     $    849,368.009          (6)
2-SW41A     $    807,112.112          (5)
2-SW41B     $    807,112.112          (6)
2-SW42A     $    767,452.774          (5)
2-SW42B     $    767,452.774          (6)
2-SW43A     $    721,590.062          (5)
2-SW43B     $    721,590.062          (6)
2-SW44A     $    684,783.195          (5)
2-SW44B     $    684,783.195          (6)
2-SW45A     $    661,502.937          (5)
2-SW45B     $    661,502.937          (6)
2-SW46A     $    610,204.834          (5)
2-SW46B     $    610,204.834          (6)
2-SW47A     $    617,969.218          (5)
2-SW47B     $    617,969.218          (6)
2-SW48A     $    579,353.116          (5)
2-SW48B     $    579,353.116          (6)
2-SW49A     $    555,515.655          (5)
2-SW49B     $    555,515.655          (6)
2-SW50A     $    548,433.701          (5)
2-SW50B     $    548,433.701          (6)
2-SW51A     $    517,039.660          (5)
2-SW51B     $    517,039.660          (6)
2-SW52A     $    482,344.063          (5)
2-SW52B     $    482,344.063          (6)
2-SW53A     $    442,352.933          (5)
2-SW53B     $    442,352.933          (6)
2-SW54A     $    420,407.778          (5)
2-SW54B     $    420,407.778          (6)
2-SW55A     $    412,365.908          (5)
2-SW55B     $    412,365.908          (6)
2-SW56A     $    393,261.322          (5)
2-SW56B     $    393,261.322           (6)
2-SW57A     $    371,938.092          (5)
2-SW57B     $    371,938.092          (6)
2-SW58A     $    354,053.053          (5)
2-SW58B     $    354,053.053          (6)
2-SW59A     $10,169,888.710          (5)
2-SW59B     $10,169,888.710          (6)
SWR                 (7)               (7)
</TABLE>


                                       -6-
<PAGE>

(1)   The interest rate on the Class 1-SW1 Interest shall be a per annum rate
     equal to the Group One Net WAC.

(2)   For any Distribution Date, the interest rate on each SWAP REMIC Regular
     Interest beginning with the designation "1" and ending with the designation
     "A" shall be a per annum rate equal to 2 times the Group One 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 beginning with the designation "1" and 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 Group One Net WAC over (ii) 2 times the REMIC Swap
     Rate for such Distribution Date and (y) 0.00%.

(4)   The interest rate on the Class 2-SW2 Interest shall be a per annum rate
     equal to the Group Two Net WAC.

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

(6)   For any Distribution Date, the interest rate on each SWAP REMIC Regular
     Interest beginning with the designation "2" and 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 Group Two Net WAC over (ii) 2 times the REMIC Swap
     Rate for such Distribution Date and (y) 0.00%.

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

THE LOWER TIER REMIC

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

<TABLE>
<CAPTION>
                                                    Class(es) of
                                                  Corresponding
         Initial Principal                    Certificates or Related
Class         Balance          Interest Rate         Mortgage Group
-----     -----------------    -------------    -----------------------
<S>       <C>                  <C>              <C>
LTA-1            (1)                 (8)                 A-1, R
LTA-2A           (1)                 (8)                  A-2A
LTA-2B            (1)                 (8)                  A-2B
LTA-2C           (1)                 (8)                  A-2C
LTA-2D           (1)                 (8)                  A-2D
LTM-1            (1)                 (8)                   M-1
LTM-2            (1)                  (8)                   M-2
LTM-3            (1)                 (8)                   M-3
LTM-4            (1)                 (8)                   M-4
LTM-5            (1)                 (8)                   M-5
LTM-6            (1)                 (8)                    M-6
LTB-1            (1)                 (8)                   B-1
LTB-2            (1)                 (8)                   B-2
</TABLE>


                                       -7-

<PAGE>

<TABLE>
<S>       <C>                  <C>              <C>
LTB-3            (1)                 (8)                   B-3
LTB-4            (1)                 (8)                   B-4
LTIX             (2)                 (8)                   N/A
LTII1A           (3)                 (8)                Group One
LTII1B            (4)                 (9)                Group One
LTII2A           (5)                 (8)                Group Two
LTII2B           (6)                 (10)               Group Two
LTIIX            (7)                 (8)                   N/A
LT-IO            (11)                (11)                  N/A
LTR              (12)                (12)                  N/A
</TABLE>

(1)   The initial principal balance of each of these Lower Tier REMIC Regular
     Interests shall equal 1/4 of the initial Certificate Principal Balance of
     its Corresponding Certificates.

(2)   The initial principal balance of the Class LTIX Interest shall equal the
     excess of (i) 50% of the aggregate Cut-off Date Principal Balance of the
     Mortgage Loans over (ii) the initial principal balance of the Lower Tier
     REMIC I Marker Interests.

(3)   The initial principal balance of the Class LTII1A Interest shall equal
     0.05% of the excess of (i) the aggregate Cut-off Date Principal Balance of
     the Group One Mortgage Loans over (ii) the aggregate of the initial
     Certificate Principal Balances of Certificate Group One.

(4)   The initial principal balance of the Class LTII1B Interest shall equal
     0.05% of the aggregate Cut-off Date Principal Balance of the Group One
     Mortgage Loans.

(5)   The initial principal balance of the Class LTII2A Interest shall equal
     0.05% of the excess of (i) the aggregate Cut-off Date Principal Balance of
     the Group Two Mortgage Loans over (ii) the aggregate of the initial
     Certificate Principal Balances of Certificate Group Two.

(6)   The initial principal balance of the Class LTII2B Interest shall equal
     0.05% of the aggregate Cut-off Date Principal Balance of the Group Two
     Mortgage Loans.

(7)   The initial principal balance of the Class LTIIX Interest shall equal the
     excess of (i) 50% of the aggregate Cut-off Date Principal Balance of the
     Mortgage Loans over (ii) the initial principal balance of the Lower Tier
     REMIC II Marker Interests.

(8)   For each Distribution Date, the interest rate for each of the Lower Tier
     REMIC Regular Interests (other than the Class LTII1B, the Class LTII2B and
     the Class LT-IO Interests) 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 11 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.

(9)   For each Distribution Date, the interest rate for the Class LTII1B Interest
     shall be a per annum rate equal to the product of (i) the weighted average
     of the interest rates on the SWAP REMIC Regular Interests beginning with
     the designation "1" 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


                                       -8-

<PAGE>

     REMIC Regular Interest ending with a designation "A" as described in
     footnote 11 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.

(10) For each Distribution Date, the interest rate for the Class LTII2B Interest
     shall be a per annum rate equal to the product of (i) the weighted average
      of the interest rates on the SWAP REMIC Regular Interests beginning with
     the designation "2" 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 11 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.

(11) 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 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.

<TABLE>
<CAPTION>
                    SWAP REMIC
Distribution Date    Regular Interest
-----------------    ----------------
<S>                  <C>
7                    Class 1-SW1A
                    Class 2-SW1A
7-8                  Class 1-SW2A
                    Class 2-SW2A
7-9                  Class 1-SW3A
                    Class 2-SW3A
7-10                 Class 1-SW4A
                    Class 2-SW4A
7-11                 Class 1-SW5A
                    Class 2-SW5A
7-12                 Class 1-SW6A
                    Class 2-SW6A
7-13                  Class 1-SW7A
                    Class 2-SW7A
7-14                 Class 1-SW8A
                    Class 2-SW8A
7-15                 Class 1-SW9A
                    Class 2-SW9A
7-16                 Class 1-SW10A
                    Class 2-SW10A
7-17                 Class 1-SW11A
                    Class 2-SW11A
7-18                 Class 1-SW12A
                    Class 2-SW12A
7-19                 Class 1-SW13A
                    Class 2-SW13A
7-20                 Class 1-SW14A
                    Class 2-SW14A
7-21                 Class 1-SW15A
                    Class 2-SW15A
7-22                 Class 1-SW16A
                    Class 2-SW16A
</TABLE>


                                       -9-

<PAGE>

<TABLE>
<CAPTION>
                    SWAP REMIC
Distribution Date    Regular Interest
-----------------    ----------------
<S>                  <C>
7-23                 Class 1-SW17A
                    Class 2-SW17A
7-24                 Class 1-SW18A
                    Class 2-SW18A
7-25                  Class 1-SW19A
                    Class 2-SW19A
7-26                 Class 1-SW20A
                    Class 2-SW20A
7-27                 Class 1-SW21A
                    Class 2-SW21A
7-28                 Class 1-SW22A
                    Class 2-SW22A
7-29                 Class 1-SW23A
                    Class 2-SW23A
7-30                 Class 1-SW24A
                    Class 2-SW24A
7-32                 Class 1-SW25A
                    Class 2-SW25A
7-33                 Class 1-SW26A
                    Class 2-SW26A
7-34                 Class 1-SW27A
                    Class 2-SW27A
7-35                 Class 1-SW28A
                    Class 2-SW28A
7-36                 Class 1-SW29A
                    Class 2-SW29A
7-37                 Class 1-SW30A
                     Class 2-SW30A
7-38                 Class 1-SW31A
                    Class 2-SW31A
7-39                 Class 1-SW32A
                    Class 2-SW32A
7-40                 Class 1-SW33A
                    Class 2-SW33A
7-41                 Class 1-SW34A
                    Class 2-SW34A
7-42                 Class 1-SW35A
                    Class 2-SW35A
7-43                 Class 1-SW36A
                    Class 2-SW36A
7-44                 Class 1-SW37A
                    Class 2-SW37A
7-45                  Class 1-SW38A
                    Class 2-SW38A
7-46                 Class 1-SW39A
                    Class 2-SW39A
7-47                 Class 1-SW40A
                    Class 2-SW40A
7-48                 Class 1-SW41A
                    Class 2-SW41A
7-49                 Class 1-SW42A
                    Class 2-SW42A
</TABLE>


                                      -10-

<PAGE>

<TABLE>
<CAPTION>
                       SWAP REMIC
Distribution Date    Regular Interest
-----------------    ----------------
<S>                  <C>
7-50                 Class 1-SW43A
                    Class 2-SW43A
7-51                 Class 1-SW44A
                    Class 2-SW44A
7-52                 Class 1-SW45A
                    Class 2-SW45A
7-53                  Class 1-SW46A
                    Class 2-SW46A
7-54                 Class 1-SW47A
                    Class 2-SW47A
7-55                 Class 1-SW48A
                    Class 2-SW48A
7-56                 Class 1-SW49A
                    Class 2-SW49A
7-57                 Class 1-SW50A
                    Class 2-SW50A
7-58                 Class 1-SW51A
                    Class 2-SW51A
7-59                 Class 1-SW52A
                    Class 2-SW52A
7-60                 Class 1-SW53A
                     Class 2-SW53A
7-61                 Class 1-SW54A
                    Class 2-SW54A
7-62                 Class 1-SW55A
                    Class 2-SW55A
7-63                 Class 1-SW56A
                    Class 2-SW56A
7-64                 Class 1-SW57A
                     Class 2-SW57A
7-65                 Class 1-SW58A
                    Class 2-SW58A
7-66                 Class 1-SW59A
                    Class 2-SW59A
</TABLE>

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

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-2A                             (1)           (2)          A-2A
UTA-2B                             (1)           (2)          A-2B
</TABLE>


                                       -11-
<PAGE>

<TABLE>
<S>                                <C>          <C>     <C>
UTA-2C                             (1)           (2)          A-2C
UTA-2D                             (1)           (2)          A-2D
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
UTB-4                              (1)           (2)          B-4
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
     shall equal the initial principal balance of its Class of Related
     Certificates.

(2)   The interest rates on each of these REMIC Regular Interests shall be an
     annual rate equal to the Pass-Through Rate for the Class of Related
     Certificates, provided that in lieu of the applicable Available Funds Caps
     set forth in the definition of an applicable Pass-Through 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 the Class designation, interest rate and initial
Class principal amount for each Class of Certificates comprising interests in
the Trust Fund.

<TABLE>
<CAPTION>
Class    Initial Class Principal Amount    Interest Rate
-----    ------------------------------    -------------
<S>      <C>                               <C>
A-1      (1)                               (2)
A-2A     (1)                               (2)
A-2B     (1)                               (2)
A-2C     (1)                               (2)
A-2D     (1)                               (2)
M-1      (1)                               (2)
M-2      (1)                               (2)
M-3      (1)                               (2)
</TABLE>


                                       -12-

<PAGE>

<TABLE>
<S>      <C>                               <C>
M-4      (1)                               (2)
M-5      (1)                               (2)
M-6      (1)                               (2)
B-1      (1)                               (2)
B-2      (1)                               (2)
B-3      (1)                               (2)
B-4      (1)                               (2)
C        (3)                               (3)
P        (4)                               (4)
R        (1)                                (2)(5)
</TABLE>

(1)   Each of these Classes of Certificates shall have initial principal balances
     as set forth in Section 5.01 hereof.

(2)   Each of these Classes of Certificates shall bear interest at a per annum
     rate equal to the Pass-Through Rate for such Certificates set forth in the
     definitions herein.

(3)   For federal income tax purposes, the Class C Certificate shall represent
     (i) the right to receive all distributions with respect to the REMIC
     Regular Interests represented by the Uncertificated Class C Interest and
     the Class UT-IO Interest and (ii) certain rights and obligations with
     respect to notional principal contracts as described in Section 2.07.

(4)   The Class P Certificates shall be entitled to the amounts distributable
     pursuant to Section 4.04(b) hereof and shall not represent a REMIC regular
     interest.

(5)   The Class R Interest represents ownership of the Class SWR Interest, the
     Class LTR Interest and the Residual Interest.

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


                                      -13-
<PAGE>

                                   ARTICLE I

                                   DEFINITIONS

     Whenever used in this Agreement, the following words and phrases, unless
the context otherwise requires, shall have the following meanings:

     Accepted Servicing Practices: The Servicer'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.

     Accountant's Attestation: As defined in Section 3.18.

     Accrual Period: With respect to each Class of Class A-1, Class R, Class
A-2, Class M and Class B Certificates, their Corresponding REMIC Regular
Interests and the Lower Tier REMIC Interests and any Distribution Date, the
period commencing on the immediately preceding Distribution Date (or, in the
case of the first Distribution Date, the Closing Date) and ending on the day
immediately preceding 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 on each Class of Class A-1, Class R, Class A-2, Class M and Class B
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 Form 10-D Disclosure: Has the meaning set forth in Section 3.20.

     Adjustable Rate Mortgage Loan: A Mortgage Loan identified in the Mortgage
Loan Schedule as having a Mortgage Rate that is adjustable.

     Adjustment Date: As to each Adjustable Rate Mortgage Loan, each date on
which the related Mortgage Rate is subject to adjustment, as provided in the
related Mortgage Note.

     Advance: The aggregate of the advances required to be made by the Servicer
with respect to any Distribution Date pursuant to Section 4.01, the amount of
any such advances being equal to the sum of the aggregate of 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, less the
aggregate amount of any such Delinquent payments that the Servicer has
determined would constitute a Non-Recoverable Advance were an advance to be made
with respect thereto; provided, however, that with respect to any Mortgage Loan
that is 150 days delinquent or more (whether or not the Mortgage Loan has been
converted to an REO Property) or any shortfalls due to bankruptcy proceedings or
the application of the Servicemembers Civil Relief Act or similar state
legislation or regulations, or the principal portion of the balloon payment 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, the obligation to make Advances shall only be to payments of
interest (subject to the


                                      -14-

<PAGE>

exceptions described above and net of the related Servicing Fees), to be
calculated after taking into account rental income.

     Advance Facility: A financing or other facility as described in Section
10.07.

     Advancing Person: A Person to whom the Servicer's rights under this
Agreement to be reimbursed for any Advances or Servicing Advances have been
assigned pursuant to Section 10.07.

     Affiliate: With respect to any specified Person, any other Person
controlling, controlled by or under common control with such Person. For the
purposes of this definition, "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; and the terms "controlling" and
"controlled" have meanings correlative to the foregoing.

     Aggregate Certificate Principal Balance: For any date of determination, the
sum of the Class A-1 Certificate Principal Balance, the Class A-2A Certificate
Principal Balance, the Class A-2B Certificate Principal Balance, the Class A-2C
Certificate Principal Balance, the Class A-2D Certificate Principal Balance, the
Class R Certificate Principal Balance, the Class M-1 Certificate Principal
Balance, the Class M-2 Certificate Principal Balance, the Class M-3 Certificate
Principal Balance, the Class M-4 Certificate Principal Balance, the Class M-5
Certificate Principal Balance, the Class M-6 Certificate Principal Balance, the
Class B-1 Certificate Principal Balance, the Class B-2 Certificate Principal
Balance, the Class B-3 Certificate Principal Balance and the B-4 Certificate
Principal Balance, in each case as of such date of determination.

     Agreement: This Pooling and Servicing Agreement and any and all amendments
or supplements hereto made in accordance with the terms herein.

     Applied Realized Loss Amount: With respect to any Distribution Date, the
amount, if any, by which the sum of (i) the Aggregate Certificate Principal
Balance and (ii) the Class C Certificate Principal Balance after distributions
of principal on such Distribution Date exceeds the aggregate Stated Principal
Balance of the Mortgage Loans as of such Distribution Date.

     Appraised Value: With respect to a Mortgage Loan the proceeds of which were
used to purchase the related Mortgaged Property, the "Appraised Value" of a
Mortgaged Property is the lesser of (1) the appraised value based on an
appraisal made for the Sponsor by an independent fee appraiser at the time of
the origination of the related Mortgage Loan, and (2) the sales price of such
Mortgaged Property at such time of origination. With respect to a Mortgage Loan
the proceeds of which were used to refinance an existing mortgage loan, the
"Appraised Value" is the appraised value of the Mortgaged Property based upon
the appraisal obtained at the time of refinancing.

     Assessment of Compliance: As defined in Section 3.18.

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


                                      -15-

<PAGE>

     Auction: The one-time auction conducted by the Trustee, as described in
Section 9.01(b) hereof.

     Auction Date: The date on which the Auction occurs.

     Authenticating Agent: As defined in Section 5.10.

     Available Funds Cap: Any of the Class A-1 Available Funds Cap, the Class
A-2 Available Funds Cap or the Weighted Average Available Funds Cap.

     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- or 40-year amortization schedule, with a
balloon payment of the remaining outstanding principal balance due on such
Mortgage Loan at its stated maturity.

     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 5.06). As of the Closing Date, each of
the Class A, Class M and Class B Certificates constitutes a Class of Book-Entry
Certificates.

     Bring Down Letter: That certain letter agreement, dated as of September 29,
2006 between MLNUSA and the Sponsor, with respect to the Mortgage Loans.

     Business Day: Any day other than (1) a Saturday or a Sunday, or (2) a day
on which banking institutions in the State of Oregon, State of Illinois or in
the City of New York, New York are authorized or obligated by law or executive
order to be closed.

     Cap Contract: Any of the Class A-1 Cap Contract, the Class A-2 Cap Contract
or the Subordinate Certificates Cap Contract.

     Cap Contract Account: The separate Eligible Account created and maintained
by the Trustee pursuant to Section 4.04(k)(i) in the name of the Trustee for the
benefit of the Trust Fund and designated "LaSalle Bank National Association, as
trustee, in trust for registered holders of Merrill Lynch Mortgage Investors
Trust, Mortgage Loan Asset-Backed Certificates, Series 2006-MLN1." Funds in the
Cap Contract Account shall be held in trust for the Trust Fund for the uses and
purposes set forth in this Agreement.

     Cap Contract Counterparty: Bear Stearns Financial Products Inc.

     Cap Contract Notional Balance: Any of the Class A-1 Cap Contract Notional
Balance, the Class A-2 Cap Contract Notional Balance or the Subordinate
Certificates Cap Contract Notional Balance.

     Cap Contract Termination Date: Any of the Class A-1 Cap Contract
Termination Date, the Class A-2 Cap Contract Termination Date or the Subordinate
Certificates Cap Contract Termination Date.

     Certificate: Any one of the certificates of any Class executed by the
Trustee and authenticated by the Authenticating Agent in substantially the forms
attached hereto as Exhibits A.


                                      -16-

<PAGE>

     Certificate Account: The separate Eligible Account created and maintained
by the Trustee pursuant to Section 3.05(e) in the name of the Trustee for the
benefit of the Certificateholders and designated "LaSalle Bank National
Association, as trustee, in trust for registered holders of Merrill Lynch
Mortgage Investors Trust, Mortgage Loan Asset-Backed Certificates, Series
2006-MLN1." Funds in the Certificate Account shall be held in trust for the
Certificateholders for the uses and purposes set forth in this Agreement.

     Certificate Group: Either of Certificate Group One or Certificate Group
Two.

     Certificate Group One: The Class A-1 and Class R Certificates. For purposes
of Section 2.07 hereof, Certificate Group One shall be related to Group One.

     Certificate Group Two: The Class A-2 Certificates. For purposes of Section
2.07 hereof, Certificate Group Two shall be related to Group Two.

     Certificate Owner: With respect to a Book-Entry Certificate, the Person
that is the beneficial owner of such Book-Entry Certificate.

     Certificate Principal Balance: As to any Certificate and as of any
Distribution Date, the Initial Certificate Principal Balance of such Certificate
less the sum of (1) all amounts distributed with respect to such Certificate in
reduction of the Certificate Principal Balance thereof on previous Distribution
Dates pursuant to Section 4.04, and (2) any Applied Realized Loss Amounts
allocated to such Certificate on previous Distribution Dates pursuant to Section
4.04(i). 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 of the Cut-off Date)) will be added to the aggregate
Certificate Principal 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
Servicer, the Certificate Principal Balance of any Class of Certificates then
outstanding for which any Applied 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 Certificate Principal Balance of
any more senior Class of Certificates pursuant to this sentence on such
Distribution Date).

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

     Certificateholder or Holder: The Person in whose name a Certificate is
registered in the Certificate Register (initially, Cede & Co., as nominee for
the Depository) in the case of any Class of Regular Certificates or the Class R
Certificate, except that solely for the purpose of giving any consent pursuant
to this Agreement, any Certificate registered in the name of the Depositor or
any Affiliate of the Depositor shall be deemed not to be Outstanding and the
Percentage Interest evidenced thereby shall not be taken into account in
determining whether the requisite amount of Percentage Interests necessary to


                                      -17-

<PAGE>

effect such consent has been obtained; provided, however, that if any such
Person (including the Depositor) owns 100% of the Percentage Interests evidenced
by a Class of Certificates, such Certificates shall be deemed to be Outstanding
for purposes of any provision hereof that requires the consent of the Holders of
Certificates of a particular Class as a condition to the taking of any action
hereunder. The Trustee is entitled to rely conclusively on a certification of
the Depositor or any Affiliate of the Depositor in determining which
Certificates are registered in the name of an Affiliate of the Depositor.

     Class: All Certificates bearing the same Class designation as set forth in
Section 5.01 hereof.

     Class A Certificate Principal Balance: As of any date of determination, the
sum of the Class A-1 Certificate Principal Balance, the Class A-2A Certificate
Principal Balance, the Class A-2B Certificate Principal Balance, the Class A-2C
Certificate Principal Balance, the Class A-2D Certificate Principal Balance and
the Class R Certificate Principal Balance.

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

     Class A Principal Distribution Amount: With respect to any Distribution
Date (1) prior to the related Stepdown Date or any Distribution Date on which a
Stepdown Trigger Event exists, 100% of the Principal Distribution Amount for
such Distribution Date and (2) on or after the Stepdown Date where a Stepdown
Trigger Event does not exist, the excess of (A) the Class A Certificate
Principal Balance immediately prior to such Distribution Date over (B) the
lesser of (i) 53.40% 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 Class A Principal Distribution Amount with respect to any
Distribution Date exceed the aggregate Certificate Principal Balance of the
Class A Certificates.

     Class A-1 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 in Group One based on the Net Mortgage
Rates, less the pro rata portion (calculated based on the ratio of the Group One
Mortgage Loans to the total pool of Mortgage Loans) allocable to the Group One
Mortgage Loans of any Net Swap Payments or Swap Termination Payments (other than
Defaulted Swap Termination Payments) owed to the Swap Counterparty for such
Distribution Date in effect on the related Due Date and (y) the aggregate Stated
Principal Balance of the Mortgage Loans in Group One 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.

     Class A-1 Cap Contract: The confirmation and agreement between the Trustee
on behalf of the Trust Fund and the Cap Contract Counterparty (in the form of
Exhibit M-1 hereto).

     Class A-1 Cap Contract Notional Balance: With respect to any Distribution
Date, the Class A-1 Cap Contract Notional Balance set forth for such
Distribution Date in the Class A-1 One-Month LIBOR Cap Table attached hereto as
Exhibit N-1.

     Class A-1 Cap Contract Termination Date: The Distribution Date in March
2007.


                                      -18-

<PAGE>

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

     Class A-1 Certificate Principal Balance: As of any date of determination,
the aggregate Certificate Principal 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 Pass-Through Rate on
the Class A-1 Certificate Principal 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 Non-Supported Interest
Shortfall allocated on such Distribution Date to the Class A-1 Certificates.

     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 Pass-Through Rate for the related Accrual Period.

     Class A-1 Margin: As of any Distribution Date up to and including the
Initial Optional Termination Date, 0.140% per annum and, as of any Distribution
Date after the Initial Optional Termination Date, 0.280% per annum.

     Class A-1 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 Group One Mortgage Loans had
the Adjustable Rate Mortgage Loans provided for interest at their maximum
lifetime Net Mortgage Rates and the Fixed Rate Mortgage Loans provided for
interest at their Net Mortgage Rates less the pro rata portion (calculated based
on the ratio of the Group One Mortgage Loans to the total pool of Mortgage
Loans) allocable to the Group One Mortgage Loans of 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 Group One Mortgage Loans as of the first day of
the related Accrual Period 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.

     Class A-1 Pass-Through Rate: For the first Distribution Date, 5.46438% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class A-1 Margin, (2) the Class A-1 Available Funds Cap for such
Distribution Date and (3) the Class A-1 Maximum Rate Cap for such Distribution
Date.

     Class A-1 Upper Collar: With respect to each Distribution Date with respect
to which payments are received on the Class A-1 Cap Contract, a rate equal to
the lesser of One-Month LIBOR and 10.860% per annum.

     Class A-2 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 Group Two Mortgage


                                      -19-

<PAGE>

Loans based on the Net Mortgage Rates in effect on the related Due Date, less
the pro rata portion (calculated based on the ratio of the Group Two Mortgage
Loans to the total pool of Mortgage Loans) allocable to the Group Two Mortgage
Loans of 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 Group
Two Mortgage Loans as of the first day of the related Accrual Period 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.

     Class A-2 Cap Contract: The confirmation and agreement between the Trustee
on behalf of the Trust Fund and the Cap Contract Counterparty (in the form of
Exhibit M-2 hereto).

     Class A-2 Cap Contract Notional Balance: With respect to any Distribution
Date, the Class A-2 Cap Contract Notional Balance set forth for such
Distribution Date in the Class A-2 One-Month LIBOR Cap Table attached hereto as
Exhibit N-2.

     Class A-2 Cap Contract Termination Date: The Distribution Date in March
2007.

     Class A-2 Certificates: Any of the Class A-2A, Class A-2B, Class A-2C and
Class A-2D Certificates.

     Class A-2 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 Group Two Mortgage Loans had
the Adjustable Rate Mortgage Loans provided for interest at their maximum
lifetime Net Mortgage Rates and the Fixed Rate Mortgage Loans provided for
interest at their Net Mortgage Rates less the pro rata portion (calculated based
on the ratio of the Group Two Mortgage Loans to the total pool of Mortgage
Loans) allocable to the Group Two Mortgage Loans of 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 Group Two Mortgage Loans as of the first day of
the related Accrual Period 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.

     Class A-2 Upper Collar: With respect to each Distribution Date with respect
to which payments are received on the Class A-2 Cap Contract, a rate equal to
the lesser of One-Month LIBOR and 9.350% per annum.

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

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

     Class A-2A Current Interest: As of any Distribution Date, the interest
accrued during the related Accrual Period at the Class A-2A Pass-Through Rate on
the Class A-2A Certificate Principal 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-2A Interest Carry Forward Amount that is recovered as a
voidable preference by a trustee in bankruptcy, less any Non-Supported Interest
Shortfall allocated on such Distribution Date to the Class A-2A Certificates.
For purposes of calculating interest, principal


                                      -20-

<PAGE>

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-2A Interest Carry Forward Amount: As of any Distribution Date, the
sum of (1) the excess of (A) the Class A-2A Current Interest with respect to
prior Distribution Dates over (B) the amount actually distributed to the Class
A-2A 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-2A Pass-Through Rate for the related Accrual Period.

     Class A-2A Margin: As of any Distribution Date up to and including the
Initial Optional Termination Date, 0.070% per annum and, as of any Distribution
Date after the Initial Optional Termination Date, 0.140 per annum.

     Class A-2A Pass-Through Rate: For the first Distribution Date, 5.39438% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class A-2A Margin, (2) the Class A-2 Available Funds Cap for such
Distribution Date and (3) the Class A-2 Maximum Rate Cap for such Distribution
Date.

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

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

     Class A-2B Current Interest: As of any Distribution Date, the interest
accrued during the related Accrual Period at the Class A-2B Pass-Through Rate on
the Class A-2B Certificate Principal 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-2B Interest Carry Forward Amount that is recovered as a
voidable preference by a trustee in bankruptcy, less any Non-Supported Interest
Shortfall allocated on such Distribution Date to the Class A-2B 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-2B Interest Carry Forward Amount: As of any Distribution Date, the
sum of (1) the excess of (A) the Class A-2B Current Interest with respect to
prior Distribution Dates over (B) the amount actually distributed to the Class
A-2B 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-2B Pass-Through Rate for the related Accrual Period.

     Class A-2B Margin: As of any Distribution Date up to and including the
Initial Optional Termination Date, 0.110% per annum and, as of any Distribution
Date after the Initial Optional Termination Date, 0.220% per annum.

     Class A-2B Pass-Through Rate: For the first Distribution Date, 5.43438% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class A-2B Margin, (2) the Class A-2 Available Funds Cap for such
Distribution Date and (3) the Class A-2 Maximum Rate Cap for such Distribution
Date.


                                      -21-

<PAGE>

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

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

     Class A-2C Current Interest: As of any Distribution Date, the interest
accrued during the related Accrual Period at the Class A-2C Pass-Through Rate on
the Class A-2C Certificate Principal 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-2C Interest Carry Forward Amount that is recovered as a
voidable preference by a trustee in bankruptcy, less any Non-Supported Interest
Shortfall allocated on such Distribution Date to the Class A-2C 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-2C Interest Carry Forward Amount: As of any Distribution Date, the
sum of (1) the excess of (A) the Class A-2C Current Interest with respect to
prior Distribution Dates over (B) the amount actually distributed to the Class
A-2C 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-2C Pass-Through Rate for the related Accrual Period.

     Class A-2C Margin: As of any Distribution Date up to and including the
Initial Optional Termination Date, 0.170% per annum and, as of any Distribution
Date after the Initial Optional Termination Date, 0.340 per annum.

     Class A-2C Pass-Through Rate: For the first Distribution Date, 5.49438% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class A-2C Margin, (2) the Class A-2 Available Funds Cap for such
Distribution Date and (3) the Class A-2 Maximum Rate Cap for such Distribution
Date.

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

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

     Class A-2D Current Interest: As of any Distribution Date, the interest
accrued during the related Accrual Period at the Class A-2D Pass-Through Rate on
the Class A-2D Certificate Principal 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-2D Interest Carry Forward Amount that is recovered as a
voidable preference by a trustee in bankruptcy, less any Non-Supported Interest
Shortfall allocated on such Distribution Date to the Class A-2D 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-2D Interest Carry Forward Amount: As of any Distribution Date, the
sum of (1) the excess of (A) the Class A-2D Current Interest with respect to
prior Distribution Dates over (B) the amount actually distributed to the Class
A-2D Certificates with respect to interest on such prior


                                      -22-

<PAGE>

Distribution Dates and (2) interest on such excess (to the extent permitted by
applicable law) at the Class A-2D Pass-Through Rate for the related Accrual
Period.

     Class A-2D Margin: As of any Distribution Date up to and including the
Initial Optional Termination Date, 0.260% per annum and, as of any Distribution
Date after the Initial Optional Termination Date, 0.520 per annum.

     Class A-2D Pass-Through Rate: For the first Distribution Date, 5.58438% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class A-2D Margin, (2) the Class A-2 Available Funds Cap for such
Distribution Date and (3) the Class A-2 Maximum Rate Cap for such Distribution
Date.

     Class B Certificates: Any of the Class B-1, Class B-2, Class B-3 and Class
B-4 Certificates.

     Class B-1 Applied Realized Loss Amount: As of any Distribution Date, the
sum of all Applied Realized Loss Amounts with respect to the Mortgage Loans
which have been applied to the reduction of the Certificate Principal Balance of
the Class B-1 Certificates.

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

     Class B-1 Certificate Principal Balance: As of any date of determination,
the aggregate Certificate Principal 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 Pass-Through Rate on
the Class B-1 Certificate Principal 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 Non-Supported Interest
Shortfall allocated on such Distribution Date to the Class B-1 Certificates.

     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 Pass-Through Rate for the related Accrual Period.

     Class B-1 Margin: As of any Distribution Date up to and including the
Initial Optional Termination Date, 0.800% per annum and, as of any Distribution
Date after the Initial Optional Termination Date, 1.200% per annum.

     Class B-1 Pass-Through Rate: For the first Distribution Date, 6.12438% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class B-1 Margin, (2) the related Weighted Average Available Funds Cap
for such Distribution Date and (3) the related Weighted Average Maximum Rate Cap
for such Distribution Date.

     Class B-1 Principal Distribution Amount: With respect to any Distribution
Date on or after the Stepdown Date, 100% of the Principal Distribution Amount
for such Distribution Date if the Class A


                                       -23-

<PAGE>

Certificate Principal Balance and the Class M Certificate Principal Balance,
have 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 A Certificate Principal Balance (after taking into account distributions
of the Class A Principal Distribution Amount on such Distribution Date), (B) the
Class M-1 Certificate Principal Balance (after taking into account distributions
of the Class M-1 Principal Distribution Amount on such Distribution Date), (C)
the Class M-2 Certificate Principal Balance (after taking into account
distributions of the Class M-2 Principal Distribution Amount on such
Distribution Date), (D) the Class M-3 Certificate Principal Balance (after
taking into account distributions of the Class M-3 Principal Distribution Amount
on such Distribution Date), (E) the Class M-4 Certificate Principal Balance
(after taking into account distributions of the Class M-4 Principal Distribution
Amount on such Distribution Date, (F) the Class M-5 Certificate Principal
Balance (after taking into account distributions of the Class M-5 Principal
Distribution Amount on such Distribution Date, (G) the Class M-6 Certificate
Principal Balance (after taking into account distributions of the Class M-6
Principal Distribution Amount on such Distribution Date and (H) the Class B-1
Certificate Principal Balance immediately prior to such Distribution Date over
(2) the lesser of (A) 87.00% of the Stated Principal Balance of the Mortgage
Loans as of such Distribution Date and (B) the excess of the Stated Principal
Balance of the Mortgage Loans as of such Distribution Date over the Minimum
Required Overcollateralization Amount. Notwithstanding the foregoing, (I) on any
Distribution Date prior to the Stepdown Date on which the Certificate Principal
Balance of each Class of Class A Certificates and Class M Certificates has been
reduced to zero, the Class B-1 Principal Distribution Amount will equal the
lesser of (x) the outstanding Certificate Principal Balance of the Class B-1
Certificates and (y) 100% of the Principal Distribution Amount remaining after
any distributions on such Class A and Class M Certificates and (II) in no event
will the Class B-1 Principal Distribution Amount with respect to any
Distribution Date exceed the Class B-1 Certificate Principal Balance.

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

     Class B-2 Applied Realized Loss Amount: As of any Distribution Date, the
sum of all Applied Realized Loss Amounts with respect to the Mortgage Loans
which have been applied to the reduction of the Certificate Principal Balance of
the Class B-2 Certificates.

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

     Class B-2 Certificate Principal Balance: As of any date of determination,
the aggregate Certificate Principal 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 Pass-Through Rate on
the Class B-2 Certificate Principal 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 Non-Supported Interest
Shortfall allocated on such Distribution Date to the Class B-2 Certificates.


                                      -24-

<PAGE>

     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 Pass-Through Rate for the related Accrual Period.

     Class B-2 Margin: As of any Distribution Date up to and including the
Initial Optional Termination Date, 1.050% per annum and, as of any Distribution
Date after the Initial Optional Termination Date, 1.575% per annum.

     Class B-2 Pass-Through Rate: For the first Distribution Date, 6.37438% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class B-2 Margin, (2) the related Weighted Average Available Funds Cap
for such Distribution Date and (3) the related Weighted Average Maximum Rate Cap
for such Distribution Date.

     Class B-2 Principal Distribution Amount: With respect to any Distribution
Date on or after the Stepdown Date, 100% of the Principal Distribution Amount
for such Distribution Date if the Class A Certificate Principal Balance, the
Class M Certificate Principal Balance and the Class B-1 Certificate Principal
Balance have 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 A Certificate Principal Balance (after taking into account
distributions of the Class A Principal Distribution Amount on such Distribution
Date), (B) the Class M-1 Certificate Principal Balance (after taking into
account distributions of the Class M-1 Principal Distribution Amount on such
Distribution Date), (C) the Class M-2 Certificate Principal Balance (after
taking into account distributions of the Class M-2 Principal Distribution Amount
on such Distribution Date), (D) the Class M-3 Certificate Principal Balance
(after taking into account distributions of the Class M-3 Principal Distribution
Amount on such Distribution Date), (E) the Class M-4 Certificate Principal
Balance (after taking into account distributions of the Class M-4 Principal
Distribution Amount on such Distribution Date), (F) the Class M-5 Certificate
Principal Balance (after taking into account distributions of the Class M-5
Principal Distribution Amount on such Distribution Date), (G) the Class M-6
Certificate Principal Balance (after taking into account distributions of the
Class M-6 Principal Distribution Amount on such Distribution Date), (H) the
Class B-1 Certificate Principal Balance (after taking into account distributions
of the Class B-1 Principal Distribution Amount on such Distribution Date) and
(I) the Class B-2 Certificate Principal Balance immediately prior to such
Distribution Date over (2) the lesser of (A) 89.80% of the Stated Principal
Balance of the Mortgage Loans as of such Distribution Date and (B) the excess of
the Stated Principal Balance of the Mortgage Loans as of such Distribution Date
over the Minimum Required Overcollateralization Amount. Notwithstanding the
foregoing, (I) on any Distribution Date prior to the Stepdown Date on which the
Certificate Principal Balance of each Class of 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 (x) the outstanding Certificate Principal
Balance of the Class B-2 Certificates and (y) 100% of the Principal Distribution
Amount remaining after any distributions on such Class A, Class M and Class B-1
Certificates and (II) in no event will the Class B-2 Principal Distribution
Amount with respect to any Distribution Date exceed the Class B-2 Certificate
Principal Balance.

     Class B-2 Unpaid Realized Loss Amount: As of any Distribution Date, the
excess of (1) the Class B-2 Applied Realized Loss Amount over (2) the sum of (x)
all distributions in reduction of the Class B-2 Unpaid Realized Loss Amounts on
all previous Distribution Dates and (y) all increases in the


                                      -25-

<PAGE>

Certificate Principal Balance of the Class B-2 Certificates pursuant to the last
sentence of the definition of "Certificate Principal Balance."

     Class B-3 Applied Realized Loss Amount: As of any Distribution Date, the
sum of all Applied Realized Loss Amounts with respect to the Mortgage Loans
which have been applied to the reduction of the Certificate Principal Balance of
the Class B-3 Certificates.

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

     Class B-3 Certificate Principal Balance: As of any date of determination,
the aggregate Certificate Principal 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 Pass-Through Rate on
the Class B-3 Certificate Principal 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 Non-Supported Interest
Shortfall allocated on such Distribution Date to the Class B-3 Certificates.

     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 Pass-Through Rate for the related Accrual Period.

     Class B-3 Margin: As of any Distribution Date up to and including the
Initial Optional Termination Date, 2.000% per annum and, as of any Distribution
Date after the Initial Optional Termination Date, 3.000% per annum.

     Class B-3 Pass-Through Rate: For the first Distribution Date, 7.32438% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class B-3 Margin, (2) the related Weighted Average Available Funds Cap
for such Distribution Date and (3) the related Weighted Average Maximum Rate Cap
for such Distribution Date.

     Class B-3 Principal Distribution Amount: With respect to any Distribution
Date on or after the Stepdown Date, 100% of the Principal Distribution Amount
for such Distribution Date if the Class A Certificate Principal Balance, the
Class M Certificate Principal Balance, the Class B-1 Certificate Principal
Balance and the Class B-2 Certificate Principal Balance have 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 A Certificate
Principal Balance (after taking into account distributions of the Class A
Principal Distribution Amount on such Distribution Date), (B) the Class M-1
Certificate Principal Balance (after taking into account distributions of the
Class M-1 Principal Distribution Amount on such Distribution Date), (C) the
Class M-2 Certificate Principal Balance (after taking into account distributions
of the Class M-2 Principal Distribution Amount on such Distribution Date), (D)
the Class M-3 Certificate Principal Balance (after taking into account
distributions of the Class M-3 Principal Distribution Amount on such
Distribution Date), (E) the Class M-4 Certificate Principal Balance (after
taking into account distributions of the Class M-4 Principal Distribution Amount
on such Distribution Date), (F) the Class M-


                                      -26-

<PAGE>

5 Certificate Principal Balance (after taking into account distributions of the
Class M-5 Principal Distribution Amount on such Distribution Date), (G) the
Class M-6 Certificate Principal Balance (after taking into account distributions
of the Class M-6 Principal Distribution Amount on such Distribution Date), (H)
the Class B-1 Certificate Principal Balance (after taking into account
distributions of the Class B-1 Principal Distribution Amount on such
Distribution Date), (I) the Class B-2 Certificate Principal Balance (after
taking into account distributions of the Class B-2 Principal Distribution Amount
on such Distribution Date) and (J) the Class B-3 Certificate Principal Balance
immediately prior to such Distribution Date over (2) the lesser of (A) 92.10% of
the Stated Principal Balance of the Mortgage Loans as of such Distribution Date
and (B) the excess of the Stated Principal Balance of the Mortgage Loans as of
such Distribution Date over the Minimum Required Overcollateralization Amount.
Notwithstanding the foregoing, (I) on any Distribution Date prior to the
Stepdown Date on which the Certificate Principal Balance of each Class of 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 (x) the
outstanding Certificate Principal Balance of the Class B-3 Certificates and (y)
100% of the Principal Distribution Amount remaining after any distributions on
such Class A, Class M, Class B-1 and Class B-2 Certificates and (II) in no event
will the Class B-3 Principal Distribution Amount with respect to any
Distribution Date exceed the Class B-3 Certificate Principal Balance.

     Class B-3 Unpaid Realized Loss Amount: As of any Distribution Date, the
excess of (1) the Class B-3 Applied Realized Loss Amount over (2) the sum of (x)
all distributions in reduction of the Class B-3 Unpaid Realized Loss Amounts on
all previous Distribution Dates and (y) all increases in the Certificate
Principal Balance of the Class B-3 Certificates pursuant to the last sentence of
the definition of "Certificate Principal Balance".

     Class B-4 Applied Realized Loss Amount: As of any Distribution Date, the
sum of all Applied Realized Loss Amounts with respect to the Mortgage Loans
which have been applied to the reduction of the Certificate Principal Balance of
the Class B-4 Certificates.

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

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

     Class B-4 Current Interest: As of any Distribution Date, the interest
accrued during the related Accrual Period at the Class B-4 Pass-Through Rate on
the Class B-4 Certificate Principal Balance as of such Distribution Date plus
the portion of any previous distributions on such Class in respect of Current
Interest or Class B-4 Interest Carry Forward Amount that is recovered as a
voidable preference by a trustee in bankruptcy, less any Non-Supported Interest
Shortfall allocated on such Distribution Date to the Class B-4 Certificates.

     Class B-4 Interest Carry Forward Amount: As of any Distribution Date, the
sum of (1) the excess of (A) the Class B-4 Current Interest with respect to
prior Distribution Dates over (B) the amount actually distributed to the Class
B-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 B-4 Pass-Through Rate for the related Accrual Period.


                                      -27-

<PAGE>

     Class B-4 Margin: As of any Distribution Date up to and including the
Initial Optional Termination Date, 2.500% per annum and, as of any Distribution
Date after the Initial Optional Termination Date, 3.750% per annum.

     Class B-4 Pass-Through Rate: For the first Distribution Date, 7.82438% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class B-4 Margin, (2) the related Weighted Average Available Funds Cap
for such Distribution Date and (3) the related Weighted Average Maximum Rate Cap
for such Distribution Date.

     Class B-4 Principal Distribution Amount: With respect to any Distribution
Date on or after the Stepdown Date, 100% of the Principal Distribution Amount
for such Distribution Date if the Class A Certificate Principal Balance, the
Class M Certificate Principal Balance, the Class B-1 Certificate Principal
Balance, the Class B-2 Certificate Principal Balance and the Class B-3
Certificate Principal Balance have 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 A Certificate Principal Balance (after taking
into account distributions of the Class A Principal Distribution Amount on such
Distribution Date), (B) the Class M-1 Certificate Principal Balance (after
taking into account distributions of the Class M-1 Principal Distribution Amount
on such Distribution Date), (C) the Class M-2 Certificate Principal Balance
(after taking into account distributions of the Class M-2 Principal Distribution
Amount on such Distribution Date), (D) the Class M-3 Certificate Principal
Balance (after taking into account distributions of the Class M-3 Principal
Distribution Amount on such Distribution Date), (E) the Class M-4 Certificate
Principal Balance (after taking into account distributions of the Class M-4
Principal Distribution Amount on such Distribution Date), (F) the Class M-5
Certificate Principal Balance (after taking into account distributions of the
Class M-5 Principal Distribution Amount on such Distribution Date), (G) the
Class M-6 Certificate Principal Balance (after taking into account distributions
of the Class M-6 Principal Distribution Amount on such Distribution Date), (H)
the Class B-1 Certificate Principal Balance (after taking into account
distributions of the Class B-1 Principal Distribution Amount on such
Distribution Date), (I) the Class B-2 Certificate Principal Balance (after
taking into account distributions of the Class B-2 Principal Distribution Amount
on such Distribution Date), (J) the Class B-3 Certificate Principal Balance
(after taking into account distributions of the Class B-3 Principal Distribution
Amount on such Distribution Date) and (K) the Class B-4 Certificate Principal
Balance immediately prior to such Distribution Date over (2) the lesser of (A)
94.60% of the Stated Principal Balance of the Mortgage Loans as of such
Distribution Date and (B) the excess of the Stated Principal Balance of the
Mortgage Loans as of such Distribution Date over the Minimum Required
Overcollateralization Amount. Notwithstanding the foregoing, (I) on any
Distribution Date prior to the Stepdown Date on which the Certificate Principal
Balance of each Class of Class A, Class M, Class B-1, Class B-2 and Class B-3
Certificates has been reduced to zero, the Class B-4 Principal Distribution
Amount will equal the lesser of (x) the outstanding Certificate Principal
Balance of the Class B-4 Certificates and (y) 100% of the Principal Distribution
Amount remaining after any distributions on such Class A, Class M, Class B-1,
Class B-2 and Class B-3 Certificates and (II) in no event will the Class B-4
Principal Distribution Amount with respect to any Distribution Date exceed the
Class B-4 Certificate Principal Balance.

     Class B-4 Unpaid Realized Loss Amount: As of any Distribution Date, the
excess of (1) the Class B-4 Applied Realized Loss Amount over (2) the sum of (x)
all distributions in reduction of the Class B-4 Unpaid Realized Loss Amounts on
all previous Distribution Dates and (y) all increases in the Certificate
Principal Balance of the Class B-4 Certificates pursuant to the last sentence of
the definition of "Certificate Principal Balance".


                                      -28-
<PAGE>

     Class C Applied Realized Loss Amount: As of any Distribution Date, the sum
of all Applied Realized Loss Amounts with respect to the Mortgage Loans which
have been applied to the reduction of the Certificate Principal 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 hereto, representing the right to
distributions as set forth herein.

     Class C Certificate Principal Balance: As of any date of determination, the
aggregate Certificate Principal 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 Non-Supported
Interest Shortfall 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 I Marker Interests and the Class LTIX
Interest (treating for purposes of this clause (b) the interest rate on each of
the Lower Tier REMIC I Marker Interests as being subject to a cap and a floor
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 LTIX
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
Certificate Principal Balance of the Class C Certificates (other than amounts so
added attributable to Subsequent Recoveries or proceeds of the Swap Agreement).

     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 Certificate
Principal Balance of such Class C Certificates pursuant to the last sentence of
the definition of "Certificate Principal Balance" or (B) attributable to
distributions of proceeds of the Swap Agreement.

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

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


                                      -29-

<PAGE>

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

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

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

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

     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 LTIX Interest: An uncertificated regular interest in the Lower Tier
REMIC with an initial principal balance equal to the excess of (i) 50% of the
aggregate Cut-off Date Principal Balance of the Mortgage Loans over (ii) the
initial principal balance of the Lower Tier REMIC I Marker Interests, and with
an interest rate equal to the Net Rate.

     Class LTIIX Interest: An uncertificated regular interest in the Lower Tier
REMIC with an initial principal balance equal to the excess of (i) 50% of the
aggregate Cut-off Date Principal Balance of the Mortgage Loans over (ii) the
initial principal balance of the Lower Tier REMIC II Marker Interests, and with
an interest rate equal to the Net Rate.

     Class LTII1A Interest: An uncertificated regular interest in the Lower Tier
REMIC with an initial principal balance equal to 0.05% of the excess of (i) the
aggregate Cut-off Date Principal Balance of the Group One Mortgage Loans over
(ii) the aggregate of the initial Certificate Principal Balances of Certificate
Group One, and with an interest rate equal to the Net Rate.

     Class LTII1B Interest: An uncertificated regular interest in the Lower Tier
REMIC with an initial principal balance equal to 0.05% of the aggregate Cut-off
Date Principal Balance of the Group One


                                      -30-

<PAGE>

Mortgage Loans, and with an interest rate equal to the rate set forth in
footnote 9 to the description of the Lower Tier REMIC in the Preliminary
Statement.

     Class LTII2A Interest: An uncertificated regular interest in the Lower Tier
REMIC with an initial principal balance equal to 0.05% of the excess of (i) the
aggregate Cut-off Date Principal Balance of the Group Two Mortgage Loans over
(ii) the aggregate of the initial Certificate Principal Balances of Certificate
Group Two, and with an interest rate equal to the Net Rate.

     Class LTII2B Interest: An uncertificated regular interest in the Lower Tier
REMIC with an initial principal balance equal to 0.05% of the aggregate Cut-off
Date Principal Balance of the Group Two Mortgage Loans and with an interest rate
equal to the rate set forth in footnote 10 to the description of the Lower Tier
REMIC in the Preliminary Statement.

     Class LTM-1 Interest: An uncertificated regular interest in the Lower Tier
REMIC with an initial principal balance equal to 1/4 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 1/4 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 1/4 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 1/4 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 1/4 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 1/4 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 Certificates: Any of the Class M-1, Class M-2, Class M-3, Class
M-4, Class M-5 and Class M-6 Certificates.

     Class M Certificate Principal Balance: For any date of determination, the
sum of the Class M-1 Certificate Principal Balance, Class M-2 Certificate
Principal Balance, Class M-3 Certificate Principal Balance, Class M-4
Certificate Principal Balance, Class M-5 Certificate Principal Balance and Class
M-6 Certificate Principal Balance.


                                       -31-

<PAGE>

     Class M-1 Applied Realized Loss Amount: As of any Distribution Date, the
sum of all Applied Realized Loss Amounts with respect to the Mortgage Loans
which have been applied to the reduction of the Certificate Principal Balance of
the Class M-1 Certificates.

     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 Principal Balance: As of any date of determination,
the aggregate Certificate Principal 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 Pass-Through Rate on
the Class M-1 Certificate Principal Balance as of such Distribution Date plus
the portion of any previous distributions on such Class 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 Non-Supported Interest
Shortfall allocated on such Distribution Date to the Class M-1 Certificates.

     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 Pass-Through Rate for the related Accrual Period.

     Class M-1 Margin: As of any Distribution Date up to and including the
Initial Optional Termination Date, 0.300% per annum and, as of any Distribution
Date after the Initial Optional Termination Date, 0.450% per annum.

     Class M-1 Pass-Through Rate: For the first Distribution Date, 5.62438% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class M-1 Margin, (2) the related Weighted Average Available Funds Cap
for such Distribution Date and (3) the related Weighted Average Maximum Rate Cap
for such Distribution Date.

     Class M-1 Principal Distribution Amount: With respect to any Distribution
Date on or after the Stepdown Date, 100% of the Principal Distribution Amount
for such Distribution Date if the Class A Certificate Principal Balance 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 A
Certificate Principal Balance (after taking into account distributions of the
Class A Principal Distribution Amount on such Distribution Date) and (B) the
Class M-1 Certificate Principal Balance immediately prior to such Distribution
Date over (2) the lesser of (A) 61.30% of the Stated Principal Balances of the
Mortgage Loans as of such Distribution Date and (B) the excess of the Stated
Principal Balances for the Mortgage Loans as of such Distribution Date over the
Minimum Required Overcollateralization Amount. Notwithstanding the foregoing,
(I) on any Distribution Date prior to the Stepdown Date on which the Certificate
Principal Balance of each Class of Class A Certificates has been reduced to
zero, the Class M-1 Principal Distribution Amount will equal the lesser of (x)
the outstanding Certificate Principal Balance of the Class M-1 Certificates and
(y) 100% of the Principal Distribution Amount remaining after any distributions
on such Class A Certificates and (II) in no event will the Class M-1 Principal
Distribution Amount with respect to any Distribution Date exceed the Class M-1
Certificate Principal Balance.


                                      -32-

<PAGE>

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

     Class M-2 Applied Realized Loss Amount: As of any Distribution Date, the
sum of all Applied Realized Loss Amounts with respect to the Mortgage Loans
which have been applied to the reduction of the Certificate Principal Balance of
the Class M-2 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 Principal Balance: As of any date of determination,
the aggregate Certificate Principal 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 Pass-Through Rate on
the Class M-2 Certificate Principal 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 Non-Supported Interest
Shortfall allocated on such Distribution Date to the Class M-2 Certificates.

     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 Pass-Through Rate for the related Accrual Period.

     Class M-2 Margin: As of any Distribution Date up to and including the
Initial Optional Termination Date, 0.310% per annum and, as of any Distribution
Date after the Initial Optional Termination Date, 0.465% per annum.

     Class M-2 Pass-Through Rate: For the first Distribution Date, 5.63438% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class M-2 Margin, (2) the related Weighted Average Available Funds Cap
for such Distribution Date and (3) the related Weighted Average Maximum Rate Cap
for such Distribution Date.

     Class M-2 Principal Distribution Amount: With respect to any Distribution
Date on or after the Stepdown Date, 100% of the Principal Distribution Amount
for such Distribution Date if the Class A Certificate Principal Balance and the
Class M-1 Certificate Principal Balance have 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 A Certificate Principal Balance (after
taking into account distributions of the Class A Principal Distribution Amount
on such Distribution Date), (B) the Class M-1 Certificate Principal Balance
(after taking into account distributions of the Class M-1 Principal Distribution
Amount on such Distribution Date) and (C) the Class M-2 Certificate Principal
Balance immediately prior to such Distribution Date over (2) the lesser of (A)
68.60% of the Stated Principal Balances of the Mortgage Loans as of such
Distribution Date and (B) the excess of the Stated Principal Balances of the
Mortgage


                                      -33-

<PAGE>

Loans as of the end of such Distribution Date over the Minimum Required
Overcollateralization Amount. Notwithstanding the foregoing, (I) on any
Distribution Date prior to the Stepdown Date on which the Certificate Principal
Balance of each Class of Class A Certificates and the Class M-1 Certificates has
been reduced to zero, the Class M-2 Principal Distribution Amount will equal the
lesser of (x) the outstanding Certificate Principal Balance of the Class M-2
Certificates and (y) 100% of the Principal Distribution Amount remaining after
any distributions on such Class A and Class M-1 Certificates and (II) in no
event will the Class M-2 Principal Distribution Amount with respect to any
Distribution Date exceed the Class M-2 Certificate Principal Balance.

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

     Class M-3 Applied Realized Loss Amount: As of any Distribution Date, the
sum of all Applied Realized Loss Amounts with respect to the Mortgage Loans
which have been applied to the reduction of the Certificate Principal Balance of
the Class M-3 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 Principal Balance: As of any date of determination,
the aggregate Certificate Principal 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 Pass-Through Rate on
the Class M-3 Certificate Principal 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 Non-Supported Interest
Shortfall allocated on such Distribution Date to the Class M-3 Certificates.

     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 Pass-Through Rate for the related Accrual Period.

     Class M-3 Margin: As of any Distribution Date up to and including the
Initial Optional Termination Date, 0.330% per annum and, as of any Distribution
Date after the Initial Optional Termination Date, 0.495% per annum.

     Class M-3 Pass-Through Rate: For the first Distribution Date, 5.65438% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class M-3 Margin, (2) the related Weighted Average Available Funds Cap
for such Distribution Date and (3) the related Weighted Average Maximum Rate Cap
for such Distribution Date.


                                      -34-

<PAGE>

     Class M-3 Principal Distribution Amount: With respect to any Distribution
Date on or after the Stepdown Date, 100% of the Principal Distribution Amount
for such Distribution Date if the Class A Certificate Principal Balance, Class
M-1 Certificate Principal Balance and Class M-2 Certificate Principal Balance
have 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 A Certificate Principal Balance (after taking into account distributions
of the Class A Principal Distribution Amount on such Distribution Date), (B) the
Class M-1 Certificate Principal Balance (after taking into account distributions
of the Class M-1 Principal Distribution Amount on such Distribution Date), (C)
the Class M-2 Certificate Principal Balance (after taking into account
distributions of the Class M-2 Principal Distribution Amount on such
Distribution Date) and (D) the Class M-3 Certificate Principal Balance
immediately prior to such Distribution Date over (2) the lesser of (A) 73.00% of
the Stated Principal Balances of the Mortgage Loans as of such Distribution Date
and (B) the excess of the Stated Principal Balances for the Mortgage Loans as of
such Distribution Date over the Minimum Required Overcollateralization Amount.
Notwithstanding the foregoing, (I) on any Distribution Date prior to the
Stepdown Date on which the Certificate Principal Balance of each Class of Class
A Certificates, the Class M-1 Certificates and the Class M-2 Certificates has
been reduced to zero, the Class M-3 Principal Distribution Amount will equal the
lesser of (x) the outstanding Certificate Principal Balance of the Class M-3
Certificates and (y) 100% of the Principal Distribution Amount remaining after
any distributions on such Class A, Class M-1 and Class M-2 Certificates and (II)
in no event will the Class M-3 Principal Distribution Amount with respect to any
Distribution Date exceed the Class M-3 Certificate Principal Balance.

     Class M-3 Unpaid Realized Loss Amount: As of any Distribution Date, the
excess of (1) the Class M-3 Applied Realized Loss Amount over (2) the sum of (x)
all distributions in reduction of the Class M-3 Unpaid Realized Loss Amounts on
all previous Distribution Dates and (y) all increases in the Certificate
Principal Balance of such Class M-3 Certificates pursuant to the last sentence
of the definition of "Certificate Principal Balance."

     Class M-4 Applied Realized Loss Amount: As of any Distribution Date, the
sum of all Applied Realized Loss Amounts with respect to the Mortgage Loans
which have been applied to the reduction of the Certificate Principal Balance of
the Class M-4 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 Principal Balance: As of any date of determination,
the aggregate Certificate Principal 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 Pass-Through Rate on
the Class M-4 Certificate Principal 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 Non-Supported Interest
Shortfall allocated on such Distribution Date to the Class M-4 Certificates.

     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


                                      -35-

<PAGE>

and (2) interest on such excess (to the extent permitted by applicable law) at
the Class M-4 Pass-Through Rate for the related Accrual Period.

     Class M-4 Margin: As of any Distribution Date up to and including the
Initial Optional Termination Date, 0.360% per annum and, as of any Distribution
Date after the Initial Optional Termination Date, 0.540% per annum.

     Class M-4 Pass-Through Rate: For the first Distribution Date, 5.68438% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class M-4 Margin, (2) the related Weighted Average Available Funds Cap
for such Distribution Date and (3) the related Weighted Average Maximum Rate Cap
for such Distribution Date.

     Class M-4 Principal Distribution Amount: With respect to any Distribution
Date on or after the Stepdown Date, 100% of the Principal Distribution Amount
for such Distribution Date if the Class A Certificate Principal Balance, Class
M-1 Certificate Principal Balance, Class M-2 Certificate Principal Balance and
Class M-3 Certificate Principal Balance have 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 A Certificate Principal Balance (after
taking into account distributions of the Class A Principal Distribution Amount
on such Distribution Date), (B) the Class M-1 Certificate Principal Balance
(after taking into account distributions of the Class M-1 Principal Distribution
Amount on such Distribution Date), (C) the Class M-2 Certificate Principal
Balance (after taking into account distributions of the Class M-2 Principal
Distribution Amount on such Distribution Date), (C) the Class M-3 Certificate
Principal Balance (after taking into account distributions of the Class M-3
Principal Distribution Amount on such Distribution Date) and (D) the Class M-4
Certificate Principal Balance immediately prior to such Distribution Date over
(2) the lesser of (A) 76.80% of the Stated Principal Balances of the Mortgage
Loans as of such Distribution Date and (B) the excess of the Stated Principal
Balances for the Mortgage Loans as of such Distribution Date over the Minimum
Required Overcollateralization Amount. Notwithstanding the foregoing, (I) on any
Distribution Date prior to the Stepdown Date on which the Certificate Principal
Balance of each Class of Class A Certificates, the Class M-1 Certificates, the
Class M-2 Certificates and the Class M-3 Certificates has been reduced to zero,
the Class M-4 Principal Distribution Amount will equal the lesser of (x) the
outstanding Certificate Principal Balance of the Class M-4 Certificates and (y)
100% of the Principal Distribution Amount remaining after any distributions on
such Class A, Class M-1, Class M-2 and Class M-3 Certificates and (II) in no
event will the Class M-4 Principal Distribution Amount with respect to any
Distribution Date exceed the Class M-4 Certificate Principal Balance.

     Class M-4 Unpaid Realized Loss Amount: As of any Distribution Date, the
excess of (1) the Class M-4 Applied Realized Loss Amount over (2) the sum of (x)
all distributions in reduction of the Class M-4 Unpaid Realized Loss Amounts on
all previous Distribution Dates and (y) all increases in the Certificate
Principal Balance of such Class M-4 Certificates pursuant to the last sentence
of the definition of "Certificate Principal Balance."

     Class M-5 Applied Realized Loss Amount: As of any Distribution Date, the
sum of all Applied Realized Loss Amounts with respect to the Mortgage Loans
which have been applied to the reduction of the Certificate Principal Balance of
the Class M-5 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.


                                      -36-

<PAGE>

     Class M-5 Certificate Principal Balance: As of any date of determination,
the aggregate Certificate Principal 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 Pass-Through Rate on
the Class M-5 Certificate Principal 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 Non-Supported Interest
Shortfall allocated on such Distribution Date to the Class M-5 Certificates.

     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 law) at the
Class M-5 Pass-Through Rate for the related Accrual Period.

     Class M-5 Margin: As of any Distribution Date up to and including the
Initial Optional Termination Date, 0.390% per annum and, as of any Distribution
Date after the Initial Optional Termination Date, 0.585% per annum.

     Class M-5 Pass-Through Rate: For the first Distribution Date, 5.71438% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class M-5 Margin, (2) the related Weighted Average Available Funds Cap
for such Distribution Date and (3) the related Weighted Average Maximum Rate Cap
for such Distribution Date.

     Class M-5 Principal Distribution Amount: With respect to any Distribution
Date on or after the Stepdown Date, 100% of the Principal Distribution Amount
for such Distribution Date if the Class A Certificate Principal Balance, Class
M-1 Certificate Principal Balance, Class M-2 Certificate Principal Balance,
Class M-3 Certificate Principal Balance and Class M-4 Certificate Principal
Balance have 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 A Certificate Principal Balance (after taking into account
distributions of the Class A Principal Distribution Amount on such Distribution
Date), (B) the Class M-1 Certificate Principal Balance (after taking into
account distributions of the Class M-1 Principal Distribution Amount on such
Distribution Date), (C) the Class M-2 Certificate Principal Balance (after
taking into account distributions of the Class M-2 Principal Distribution Amount
on such Distribution Date), (D) the Class M-3 Certificate Principal Balance
(after taking into account distributions of the Class M-3 Principal Distribution
Amount on such Distribution Date), (E) the Class M-4 Certificate Principal
Balance (after taking into account distributions of the Class M-4 Principal
Distribution Amount on such Distribution Date) and (F) the Class M-5 Certificate
Principal Balance immediately prior to such Distribution Date over (2) the
lesser of (A) 84.40% of the Stated Principal Balances of the Mortgage Loans as
of such Distribution Date and (B) the excess of the Stated Principal Balances
for the Mortgage Loans as of such Distribution Date over the Minimum Required
Overcollateralization Amount. Notwithstanding the foregoing, (I) on any
Distribution Date prior to the Stepdown Date on which the Certificate Principal
Balance of each Class of Class A Certificates, the Class M-1 Certificates, the
Class M-2 Certificates, the Class M-3 Certificates an the Class M-4 Certificates
has been reduced to zero, the Class M-5 Principal Distribution Amount will equal
the lesser of (x) the outstanding Certificate Principal Balance of the Class M-5
Certificates and (y) 100% of the Principal Distribution Amount remaining after
any distributions on such Class A, Class M-1, Class M-2, Class M-3 and Class M-4
Certificates and (II)


                                       -37-

<PAGE>

in no event will the Class M-5 Principal Distribution Amount with respect to any
Distribution Date exceed the Class M-5 Certificate Principal Balance.

     Class M-5 Unpaid Realized Loss Amount: As of any Distribution Date, the
excess of (1) the Class M-5 Applied Realized Loss Amount over (2) the sum of (x)
all distributions in reduction of the Class M-5 Unpaid Realized Loss Amounts on
all previous Distribution Dates and (y) all increases in the Certificate
Principal Balance of such Class M-5 Certificates pursuant to the last sentence
of the definition of "Certificate Principal Balance."

     Class M-6 Applied Realized Loss Amount: As of any Distribution Date, the
sum of all Applied Realized Loss Amounts with respect to the Mortgage Loans
which have been applied to the reduction of the Certificate Principal Balance of
the Class M-6 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 Principal Balance: As of any date of determination,
the aggregate Certificate Principal 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 Pass-Through Rate on
the Class M-6 Certificate Principal 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
voidable preference by a trustee in bankruptcy, less any Non-Supported Interest
Shortfall allocated on such Distribution Date to the Class M-6 Certificates.

     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 Pass-Through Rate for the related Accrual Period.

     Class M-6 Margin: As of any Distribution Date up to and including the
Initial Optional Termination Date, 0.450% per annum and, as of any Distribution
Date after the Initial Optional Termination Date, 0.675% per annum.

     Class M-6 Pass-Through Rate: For the first Distribution Date, 5.77438% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class M-6 Margin, (2) the related Weighted Average Available Funds Cap
for such Distribution Date and (3) the related Weighted Average Maximum Rate Cap
for such Distribution Date.

     Class M-6 Principal Distribution Amount: With respect to any Distribution
Date on or after the Stepdown Date, 100% of the Principal Distribution Amount
for such Distribution Date if the Class A Certificate Principal Balance, Class
M-1 Certificate Principal Balance, Class M-2 Certificate Principal Balance,
Class M-3 Certificate Principal Balance, Class M-4 Certificate Principal Balance
and Class M-5 Certificate Principal Balance have 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 A Certificate Principal
Balance (after taking into account distributions of the Class A Principal
Distribution Amount on


                                      -38-

<PAGE>

such Distribution Date), (B) the Class M-1 Certificate Principal Balance (after
taking into account distributions of the Class M-1 Principal Distribution Amount
on such Distribution Date), (C) the Class M-2 Certificate Principal Balance
(after taking into account distributions of the Class M-2 Principal Distribution
Amount on such Distribution Date), (D) the Class M-3 Certificate Principal
Balance (after taking into account distributions of the Class M-3 Principal
Distribution Amount on such Distribution Date), (E) the Class M-4 Certificate
Principal Balance (after taking into account distributions of the Class M-4
Principal Distribution Amount on such Distribution Date), (F) the Class M-5
Certificate Principal Balance (after taking into account distributions of the
Class M-5 Principal Distribution Amount on such Distribution Date), and (G) the
Class M-6 Certificate Principal Balance immediately prior to such Distribution
Date over (2) the lesser of (A) 83.80% of the Stated Principal Balances of the
Mortgage Loans as of such Distribution Date and (B) the excess of the Stated
Principal Balances for the Mortgage Loans as of such Distribution Date over the
Minimum Required Overcollateralization Amount. Notwithstanding the foregoing,
(I) on any Distribution Date prior to the Stepdown Date on which the Certificate
Principal Balance of each Class of Class A Certificates, the Class M-1
Certificates, the Class M-2 Certificates, the Class M-3 Certificates, the Class
M-4 Certificates and the Class M-5 Certificates has been reduced to zero, the
Class M-6 Principal Distribution Amount will equal the lesser of (x) the
outstanding Certificate Principal Balance of the Class M-6 Certificates and (y)
100% of the Principal Distribution Amount remaining after any distributions on
such Class A, Class M-1, Class M-2, Class M-3, Class M-4 and Class M-5
Certificates and (II) in no event will the Class M-6 Principal Distribution
Amount with respect to any Distribution Date exceed the Class M-6 Certificate
Principal Balance.

     Class M-6 Unpaid Realized Loss Amount: As of any Distribution Date, the
excess of (1) the Class M-6 Applied Realized Loss Amount over (2) the sum of (x)
all distributions in reduction of the Class M-6 Unpaid Realized Loss Amounts on
all previous Distribution Dates and (y) all increases in the Certificate
Principal Balance of such Class M-6 Certificates pursuant to the last sentence
of the definition of "Certificate Principal Balance."

     Class P Certificate: Any Certificate designated as a Class P Certificate on
the face thereof, executed by the Trustee and authenticated by the Trustee in
substantially the form set forth in Exhibit A, representing the right to
distributions as set forth herein.

     Class Payment Shortfall: As defined in Section 2.07(d)(ii) herein.

     Class R Certificate: The Class R Certificate executed by the Trustee and
authenticated by the Trustee in substantially the form set forth in Exhibit A.

     Class R Certificate Principal Balance: As of any date of determination, the
aggregate Certificate Principal 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 Pass-Through Rate on the Class
R Certificate Principal 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 Non-Supported Interest Shortfall allocated
on such Distribution Date to the Class R Certificate. 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.


                                      -39-

<PAGE>

     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 Pass-Through Rate for the related Accrual Period.

     Class R Margin: As of any Distribution Date up to and including the Initial
Optional Termination Date for the Certificates, 0.140% per annum and, as of any
Distribution Date after the Initial Optional Termination Date, 0.280% per annum.

     Class R Pass-Through Rate: For the first Distribution Date, 5.46438% per
annum. As of any Distribution Date thereafter, the least of (1) One-Month LIBOR
plus the Class R Margin, (2) the Class A-1 Available Funds Cap for such
Distribution Date and (3) the Class A-1 Maximum Rate Cap for such Distribution
Date.

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

     Closing Date: September 29, 2006.

     Code: The Internal Revenue Code of 1986, including any successor or
amendatory provisions.

     Collection Account: The separate Eligible Accounts created and initially
maintained by the Servicer pursuant to Section 3.05(d) in the name of the
Trustee for the benefit of the Certificateholders and designated, "Wilshire
Credit Corporation, as servicer for LaSalle Bank National Association, as
trustee, in trust for registered holders of Merrill Lynch Mortgage Investors
Trust, Mortgage Loan Asset-Backed Certificates, Series 2006-MLN1". Funds in the
Collection Account shall be held in trust for the Certificateholders for the
uses and purposes set forth in this Agreement.

     Combined Loan-to-Value Ratio: The fraction, expressed as a percentage, the
numerator of which is the sum of (1) the original principal balance of the
related Mortgage Loan and (2) any outstanding principal balances of Mortgage
Loans the liens on which are senior to the lien on such related Mortgage Loan
(such sum calculated at the date of origination of such related Mortgage Loan)
and the denominator of which is the lesser of (A) the Appraised Value of the
related Mortgaged Property and (B) the sales price of the related Mortgaged
Property at time of origination.

     Commission: The Securities and Exchange Commission.

     Compensating Interest: For any Distribution Date and all Principal
Prepayments in full 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
Servicer (or, prior to the Servicing Transfer Date, the Interim Servicer with
respect to the Interim Serviced Mortgage Loans) in an amount not to exceed the
product of (a) one-twelfth of 0.25% and (b) the aggregate Stated Principal
Balance of the Mortgage Loans for such Distribution Date, equal to the amount of
interest at the Net Mortgage Rate for that Mortgage Loan from the date of
prepayment through the 30th day of such preceding calendar month; provided that
any month consisting of less than 30 days shall be deemed to consist of 30 days.


                                      -40-

<PAGE>

     Corresponding Certificates: With respect to the Class LTA-1 Interest, the
Class A-1 and Class R Certificates. With respect to the Class LTA-2A Interest,
the Class A-2A Certificates. With respect to the Class LTA-2B Interest, the
Class A-2B Certificates. With respect to the Class LTA-2C Interest, the Class
A-2C Certificates. With respect to the Class LTA-2D Interest, the Class A-2D
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. With respect to the Class LTB-4 Interest, the Class B-4
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.

     Current Interest: Any of the Class A-1 Current Interest, the Class A-2A
Current Interest, the Class A-2B Current Interest, the Class A-2C Current
Interest, the Class A-2D 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, the Class B-4
Current Interest and the Class C Current Interest.

     Cut-off Date: September 1, 2006.

     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.

     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 (including a Downgrade 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).

     Definitive Certificates: As defined in Section 5.06.

     Deleted Mortgage Loan: A Mortgage Loan replaced or to be replaced by a
Replacement Mortgage Loan.

     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-


                                      -41-

<PAGE>

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.

     Denomination: With respect to each Certificate, the amount set forth on the
face thereof as the "Initial Principal Balance of this Certificate."

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

     Depository: The initial Depository shall be The Depository Trust Company
("DTC"), the nominee of which is Cede & Co., or any other organization
registered as a "clearing agency" pursuant to Section 17A of the Securities
Exchange Act of 1934, as amended. The Depository shall initially be the
registered Holder of the Book-Entry Certificates. The Depository shall at all
times be a "clearing corporation" as defined in Section 8-102(3) of the Uniform
Commercial Code of the State of New York.

     Depository Agreement: With respect to Classes of Book-Entry Certificates,
the agreement between the Trustee and the initial Depository.

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

     Designated Transaction: A transaction in which the assets underlying the
Certificates consist of single-family residential, multi-family residential,
home equity, manufactured housing and/or commercial mortgage obligations that
are secured by single-family residential, multi-family residential, commercial
real property or leasehold interests therein.

     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: (1) the United States, any state or political
subdivision thereof, any foreign government, any international organization, or
any agency or instrumentality of any of the foregoing, (2) any organization
(other than a cooperative described in Section 521 of the Code) which is exempt
from tax under Chapter 1 of Subtitle A of the Code unless such organization is
subject to the tax imposed by Section 511 of the Code and (3) any organization
described in Section 1381(a)(2)(C) of the Code.

     Distribution Date: The 25th day of each calendar month after the initial
issuance of the Certificates, or if such 25th day is not a Business Day, the
next succeeding Business Day, commencing in October 2006.

     Downgrade Termination Event: An event whereby (x) the Swap Counterparty (or
its guarantor) ceases to have short term unsecured and/or long term debt ratings
at least equal to the levels specified in the Swap Agreement, and (y) at least
one of the following events has not occurred (except to the extent otherwise
approved by the Rating Agencies) within the time period specified in the Swap
Agreement with respect to such downgrade: (i) the Swap Counterparty transfers
the Swap Agreement, in whole, but not in


                                      -42-

<PAGE>

part, to a substitute swap counterparty that satisfies the requirements set
forth in the Swap Agreement, subject to the satisfaction of the Rating Agency
Condition, (ii) the Swap Counterparty collateralizes its exposure to the Trust
Fund pursuant to an ISDA Credit Support Annex, subject to the satisfaction of
the Rating Agency Condition; provided that such ISDA Credit Support Annex shall
be made a credit support document for the Swap Counterparty pursuant to an
amendment to the Swap Agreement, (iii) the Swap Counterparty obtains a guaranty
of an entity that satisfies the required levels specified in the Swap Agreement
or (iv) the Swap Counterparty takes such other action that satisfies the Rating
Agency Condition.

     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, the period beginning on
the second day of the calendar month preceding the calendar month in which such
Distribution Date occurs and ending on the first day of the month in which such
Distribution Date occurs.

     Eligible Account: An account that is (1) maintained with a depository
institution the long-term unsecured debt obligations of which are rated by each
Rating Agency in one of its two highest rating categories, or (2) maintained
with the corporate trust department of a bank which (A) has a rating of at least
Baa3 or P-3 by Moody's and (B) is either the Depositor or the corporate trust
department of a national bank or banking corporation which has a rating of at
least A-1 by S&P or F1 by Fitch, or (iii) an account or accounts the deposits in
which are fully insured by the FDIC, or (iv) an account or accounts, acceptable
to each Rating Agency without reduction or withdrawal of the rating of any Class
of Certificates, as evidenced in writing, by a depository institution in which
such accounts are insured by the FDIC (to the limit established by the FDIC),
the uninsured deposits in which accounts are otherwise secured such that, as
evidenced by an Opinion of Counsel delivered to and acceptable to the Trustee
and each Rating Agency, the Certificateholders have a claim with respect to the
funds in such account and a perfected first security interest against any
collateral (which shall be limited to Permitted Investments) securing such funds
that is superior to claims of any other depositors or creditors of the
depository institution with which such account is maintained, or (v) maintained
at an eligible institution whose commercial paper, short-term debt or other
short-term deposits are rated at least A-1+ by S&P and F-1+ by Fitch, or (vi)
maintained with a federal or state chartered depository institution the deposits
in which are insured by the FDIC to the applicable limits and the short-term
unsecured debt obligations of which (or, in the case of a depository institution
that is a subsidiary of a holding company, the short-term unsecured debt
obligations of such holding company) are rated A-1 by S&P, F-1 by Fitch or
Prime-1 by Moody's at the time any deposits are held on deposit therein, (vii) a
trust account or accounts maintained with the corporate trust department of a
federal or state chartered depository institution or trust company having
capital and surplus of not less than $50,000,000 or (viii) otherwise acceptable
to each Rating Agency, as evidenced by a letter from each Rating Agency to the
Trustee.

     ERISA: The Employee Retirement Income Security Act of 1974, including any
successor or amendatory provisions.

     ERISA-Qualifying Underwriting: A best efforts or firm commitment
underwriting or private placement that would satisfy the requirements would
satisfy the requirements of Prohibited Transaction Exemption 90-29, Exemption
Application No. D-8012, 55 Fed. Reg. 21459 (1990), as amended, granted 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


                                       -43-

<PAGE>

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 S&P, Moody's or Fitch.

     ERISA Restricted Certificates: The Class B-4 Certificates, Class C
Certificates and 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.

     Event of Default: As defined in Section 7.01 hereof.

     Excess Interest: On any Distribution Date, for each Class of the Class A,
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 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 Rate from the Due Date as to which interest was last paid or advanced
to Certificateholders (and not reimbursed to the Servicer) 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 of (A) the sum of (i) the Aggregate
Certificate Principal Balance immediately preceding such Distribution Date
reduced by the Principal Funds with respect to such Distribution Date and (ii)
$22,129,034 and over (B) the aggregate Stated Principal Balance of the Mortgage
Loans as of such Distribution Date and (2) on and after the Stepdown Date, (A)
the sum of (x) the Aggregate Certificate Principal Balance immediately preceding
such Distribution Date, reduced by the Principal Funds with respect to such
Distribution Date and (y) the greater of (a) 5.40% of the aggregate Stated
Principal Balance of the Mortgage Loans and (b) the Minimum Required
Overcollateralization Amount less (B) the aggregate Stated Principal Balance of
the Mortgage Loans as of such Distribution Date; 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 the
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.

     Fannie Mae: A federally chartered and privately owned corporation organized
and existing under the Federal National Mortgage Association Charter Act, or any
successor thereto.

     FDIC: The Federal Deposit Insurance Corporation, or any successor thereto.

     Fitch: Fitch, Inc., or any successor in interest.

     Fixed Rate Mortgage Loan: A Mortgage Loan identified in the Mortgage Loan
Schedule as having a Mortgage Rate that is fixed.


                                      -44-

<PAGE>

     Floating Rate Certificate Carryover: With respect to a Distribution Date,
in the event that the Pass-Through Rate for a class of LIBOR Certificates is
based upon the related Available Funds Cap or the related 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 Pass-Through Rate for
that class not been calculated based on the related Available Funds Cap or the
related Maximum Rate Cap, up to but not exceeding the greater of (a) the related
Maximum Rate Cap or (b) the sum of (i) the related 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 related Cap Contract with respect to
such Distribution Date by (II) the aggregate Certificate Principal Balance of
each of the Classes of Certificates to which such Cap 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 related
Available Funds Cap, (B) the unpaid portion of any such excess from prior
Distribution Dates (and interest accrued thereon at the then applicable
Pass-Through Rate for such class, without giving effect to the related Available
Funds Cap or the related 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.

     Freddie Mac: A corporate instrumentality of the United States created and
existing under Title III of the Emergency Home Finance Act of 1970, as amended,
or any successor thereto.

     Grantor Trusts: The grantor trusts described in Section 2.07 hereof.

     Gross Margin: The percentage set forth in the related Mortgage Note for
each of the Adjustable Rate Mortgage Loans which is to be added to the
applicable index for use in determining the Mortgage Rate on each Adjustment
Date, and which is set forth in the Mortgage Loan Schedule for each Adjustable
Rate Mortgage Loan.

     Group One: The portion of the Mortgage Pool identified as "Group One" in
the Prospectus Supplement.

     Group One Mortgage Loan: Any Mortgage Loan at any time identified in the
Group One Mortgage Loan Schedule attached hereto as Exhibit B-2.

     Group One Net WAC: The Net WAC of Group One.

     Group One Principal Distribution Amount: As of any Distribution Date, the
amount equal to the lesser of (i) the aggregate Certificate Principal Balance of
the Class A-1 and Class R Certificates and (ii) the product of (x) the Group One
Principal Distribution Percentage and (y) the Class A Principal Distribution
Amount; provided, however, that with respect to any Distribution Date on which
the Class A-1 and Class R Certificates are outstanding and the Certificate
Principal Balance of the Class A-2 Certificates has been reduced to zero, the
Group One Principal Distribution Amount will equal the Class A Principal
Distribution Amount.

     Group One Principal Distribution Percentage: With respect to any
Distribution Date, a fraction expressed as a percentage, the numerator of which
is the amount of Principal Funds received with respect


                                      -45-

<PAGE>

to Mortgage Loans in Group One and the denominator of which is the amount of
Principal Funds received from all of the Mortgage Loans in the mortgage pool.

     Group Two: The portion of the Mortgage Pool identified as "Group Two" in
the Prospectus Supplement.

     Group Two Mortgage Loan: Any Mortgage Loan at any time identified in the
Group Two Mortgage Loan Schedule attached hereto as Exhibit B-3.

     Group Two Net WAC: The Net WAC of Group Two.

     Group Two Principal Distribution Amount: As of any Distribution Date, the
amount equal to the lesser of (i) the aggregate Certificate Principal Balance of
the Class A-2 Certificates and (ii) the product of (x) the Group Two Principal
Distribution Percentage and (y) the Class A Principal Distribution Amount;
provided, however, that (A) with respect to any Distribution Date on which the
Class A 2 Certificates are outstanding and the Certificate Principal Balances of
the Class A-1 and Class R Certificates is reduced to zero, the Group One
Principal Distribution Amount in excess of the amount necessary to reduce the
Certificate Principal Balance of the Class A-1 Certificates and Class R
Certificates to zero will be applied to increase the Group Two Principal
Distribution Amount and (B) with respect to any Distribution Date thereafter,
the Group Two Principal Distribution Amount will equal the Class A Principal
Distribution Amount.

     Group Two Principal Distribution Percentage: With respect to any
Distribution Date, a fraction expressed as a percentage, the numerator of which
is the amount of Principal Funds received with respect to Mortgage Loans in
Group Two and the denominator of which is the amount of Principal Funds received
from all of the Mortgage Loans in the mortgage pool.

     Indenture: An indenture relating to the issuance of notes guaranteed by the
NIMs Insurer.

     Initial Adjustment Date: As to any Adjustable Rate Mortgage Loan, the first
Adjustment Date following the origination of such Mortgage Loan.

     Initial Certificate Principal Balance: With respect to any Certificate, the
Certificate Principal Balance of such Certificate or any predecessor Certificate
on the Closing Date as set forth in Section 5.01 hereof.

     Initial Mortgage Rate: As to each Mortgage Loan, the Mortgage Rate in
effect prior to the Initial Adjustment Date.

     Initial Optional Termination Date: The first Distribution Date on which the
aggregate Stated Principal Balance of the Mortgage Loans (or if such Mortgage
Loan is an REO Property, the fair market value of such REO Property) is equal to
or 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 or the related
Mortgaged Property included in the Trust Fund, any insurance policy, including
all riders and endorsements thereto in effect with respect to such Mortgage Loan
or Mortgaged Property, including any replacement policy or policies for any
insurance policies.


                                      -46-

<PAGE>

     Insurance Proceeds: Proceeds paid in respect of a Mortgage Loan or the
related Mortgaged Property pursuant to any Insurance Policy or any other
insurance policy covering such Mortgage Loan or Mortgaged Property, to the
extent such proceeds are payable to the mortgagee under the Mortgage, the
Servicer or the Trustee under the deed of trust and are not applied to the
restoration of the related Mortgaged Property or released either to the
Mortgagor or to the holder of a senior lien on the related Mortgaged Property in
accordance with the procedures that the Servicer would follow in servicing
mortgage loans held for its own account, in each case other than any amount
included in such Insurance Proceeds in respect of Insured Expenses.

     Insured Expenses: Expenses covered by an Insurance Policy or any other
insurance policy with respect to a Mortgage Loan or the related Mortgaged
Property.

     Interest Carry Forward Amount: Any of the Class A-1 Interest Carry Forward
Amount, the Class A-2A Interest Carry Forward Amount, the Class A-2B Interest
Carry Forward Amount, the Class A-2C Interest Carry Forward Amount, the Class
A-2D 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, the Class B-4 Interest Carry Forward Amount or the Class C
Interest Carry Forward Amount, as the case may be.

     Interest Determination Date: With respect to the LIBOR Certificates, (i)
for any Accrual Period other than the first Accrual Period, the second LIBOR
Business Day preceding the commencement of such Accrual Period and (ii) for the
first Accrual Period, September 27, 2006.

     Interest Funds: With respect to any Distribution Date, the sum, without
duplication, of (1) all scheduled interest due during the related Due Period and
received before the related Servicer Remittance Date or advanced on or before
the related Servicer Remittance Date less the Servicing Fee, (2) all Advances
relating to interest with respect to the Mortgage Loans, (3) all Compensating
Interest with respect to the Mortgage Loans, (4) Liquidation Proceeds with
respect to the Mortgage Loans (to the extent such Liquidation Proceeds relate to
interest) collected during the related Prepayment Period, (5) all proceeds of
any purchase pursuant to Section 2.02 or 2.03 during the related Prepayment
Period or pursuant to Section 9.01 not later than the related Determination Date
(to the extent that such proceeds relate to interest) less the Servicing Fee and
(6) all Prepayment Charges received with respect to the Mortgage Loans during
the related Prepayment Period, less (A) all Non-Recoverable Advances relating to
interest and (B) other amounts reimbursable (including without limitation
indemnity payments) to the Servicer and the Trustee pursuant to this Agreement
allocable to interest.

     Interim Serviced Mortgage Loans: Those loans identified on Exhibit C hereto
which shall be serviced from the Closing Date to the Servicing Transfer Date by
the Interim Servicer.

     Interim Servicer: Mortgage Lenders Network USA, Inc.

     Interim Servicing Period: The period from the Closing Date until the
Servicing Transfer Date.

     Issuing Entity: Merrill Lynch Mortgage Investors Trust, Series 2006-MLN1.


                                      -47-

<PAGE>

     Latest Possible Maturity Date: The latest maturity date for any Mortgage
Loan in the Trust Fund plus one year.

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

     LIBOR Certificates: The Class A, Class M and Class B Certificates.

     Liquidated Loan: With respect to any Distribution Date, a defaulted
Mortgage Loan that either (a) has been liquidated through deed-in-lieu of
foreclosure, foreclosure sale, trustee's sale or other realization as provided
by applicable law governing the real property subject to the related Mortgage
and any security agreements and as to which the Servicer has certified (in
accordance with Section 3.12) in the related Prepayment Period that it has
received all amounts it expects to receive in connection with such liquidation
or (b) as to which is not a first lien Mortgage Loan and is delinquent 180 days
or longer, Servicer has certified in a certificate of an officer of the Servicer
delivered to the Trustee that it does not believe that there is a reasonable
likelihood that any further net proceeds will be received or recovered with
respect to such Mortgage Loan.

      Liquidation Proceeds: Amounts, including Insurance Proceeds, received in
connection with the partial or complete liquidation of Mortgage Loans, whether
through trustee's sale, foreclosure sale, sale by the Servicer pursuant to this
Agreement or otherwise or amounts received in connection with any condemnation
or partial release of a Mortgaged Property and any other proceeds received in
connection with an REO Property, less the sum of related unreimbursed Advances,
Servicing Fees, Servicing Advances and any other expenses related to such
Mortgage Loan.

     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 lesser
of (X) the Appraised Value of the related Mortgaged Property and (Y) the sales
price of the related Mortgaged Property at the time of origination.

     Losses: Any losses, claims, damages, liabilities or expenses collectively.

      Lower Tier REMIC: As described in the Preliminary Statement and Section
2.07.

     Lower Tier REMIC Interests: Each of the Class LTA-1 Interest, the Class
LTA-2A Interest, the Class LTA-2B Interest, the Class LTA-2C Interest, the Class
LTA-2D 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 LTB-4 Interest, the Class LTIX Interest, the Class
LTIIX Interest, the Class LTII1A Interest, the Class LTII1B Interest, the Class
LTII2A Interest, the Class LTII2B Interest, the Class LT-IO Interest and the
Class LTR Interest.

     Lower Tier REMIC I Marker Interests: Each of the classes of Lower Tier
REMIC Regular Interests other than the Class LTIX Interest, the Class LTIIX
Interest, the Class LTII1A Interest, the Class LTII1B Interest, the Class LTII2A
Interest, the Class LTII2B Interest and the Class LT-IO Interest.


                                      -48-

<PAGE>

     Lower Tier REMIC II Marker Interests: Each of the Class LTII1A Interest,
the Class LTII1B Interest, the Class LTII2A Interest and the Class LTII2B
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: The ratio of (i) the principal
balance of the Class LTII1A Interest to (ii) the principal balance of the Class
LTII2A Interest that is equal to the ratio of (i) the excess of (A) the
aggregate Stated Principal Balance of Group One over (B) the current Certificate
Principal Balance of the Class A-1 and Class R Certificates to (ii) the excess
of (A) the aggregate Stated Principal Balance of Group Two over (B) the current
Certificate Principal Balance of the Class A-2 Certificates.

     Maximum Mortgage Rate: With respect to each Adjustable Rate Mortgage Loan,
the maximum rate of interest set forth as such in the related Mortgage Note and
with respect to each Fixed Rate Mortgage Loan, the rate of interest set forth in
the related Mortgage Note.

     Maximum Rate Cap: Any of the Class A-1 Maximum Rate Cap, the Class A-2
Maximum Rate Cap or the Weighted Average Maximum Rate Cap.

      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.

     MIN: The loan number for any MERS Loan.

     Minimum Mortgage Rate: With respect to each Adjustable Rate Mortgage Loan,
the minimum rate of interest set forth as such in the related Mortgage Note.

     Minimum Required Overcollateralization Amount: An amount equal to the
product of (x) 0.50% and (y) the Stated Principal Balance of the Mortgage Loans
as of the Cut-off Date.

     MLML: Merrill Lynch Mortgage Lending, Inc., a Delaware corporation, or its
successors in interest.

     MLNUSA: Mortgage Lenders Network USA, Inc.

     MOM Loan: Any Mortgage Loan as to which MERS is acting as mortgagee, solely
as nominee for the originator of such Mortgage Loan and its successors and
assigns.

     Monthly Statement: The statement delivered to the Certificateholders
pursuant to Section 4.05.

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


                                      -49-

<PAGE>

     Mortgage: With respect to a Mortgage Loan, the mortgage, deed of trust or
other instrument with all riders thereto creating a first or second lien or a
first or second priority ownership interest in an estate in fee simple in real
property securing a Mortgage Note.

     Mortgage File: The mortgage documents listed in Section 2.01 hereof
pertaining to a particular Mortgage Loan and any additional documents delivered
to the Trustee to be added to the Mortgage File pursuant to this Agreement.

     Mortgage Group: Either of Group One or Group Two.

     Mortgage Loan Schedule: The list of Mortgage Loans (as from time to time
amended by the Trustee to reflect the deletion of Deleted Mortgage Loans and the
addition of Replacement Mortgage Loans pursuant to the provisions of this
Agreement) transferred to the Trustee as part of the Trust Fund and from time to
time subject to this Agreement, attached hereto as Exhibits B-1, B-2 and B-3,
setting forth the following information with respect to each Mortgage Loan:

           (i)   the loan number;

          (ii) borrower name and address;

          (iii) the unpaid principal balance of the Mortgage Loans;

          (iv) the Initial Mortgage Rate;

          (v)   the original maturity date and the months remaining before
               maturity date;

          (vi) the original principal balance;

          (vii) the Cut-off Date Principal Balance;

          (viii) the first payment due date of the Mortgage Loan;

          (ix) the Loan-to-Value Ratio at origination with respect to a first
               lien Mortgage Loan or the Combined Loan-to-Value Ratio with
               respect to a second lien Mortgage Loan;

          (x)   a code indicating whether the residential dwelling at the time of
               origination was represented to be owner-occupied;

          (xi) a code indicating the property type;

          (xii) with respect to each Adjustable Rate Mortgage Loan;

               (i)   the frequency of each Adjustment Date;

               (ii) the next Adjustment Date;

               (iii) the Maximum Mortgage Rate;


                                      -50-

<PAGE>

               (iv) the Minimum Mortgage Rate;

               (v)   the Mortgage Rate as of the Cut-off Date;

               (vi) the related Periodic Rate Cap;

               (vii) the Gross Margin;

               (viii) the lifetime rate cap;

          (xiii) location of the related Mortgaged Property;

          (xiv) a code indicating whether a Prepayment Charge is applicable;

                (i)   the period during which such Prepayment Charge is in effect;

               (ii) the amount of such Prepayment Charge;

               (iii) any limitations or other conditions on the enforceability
                    of such Prepayment Charge; and

               (iv) any other information pertaining to the Prepayment Charge
                    specified in the related Mortgage Note;

          (xv) the Credit Score and date obtained; and

          (xvi) the MIN.

     Mortgage Loans: Such of the mortgage loans transferred and assigned to the
Trustee pursuant to the provisions hereof as from time to time are held as a
part of the Trust Fund (including any REO Property), the mortgage loans so held
being identified in the Mortgage Loan Schedule, notwithstanding foreclosure or
other acquisition of title of the related Mortgaged Property. Any mortgage loan
that was intended by the parties hereto to be transferred to the Trust Fund as
indicated by such Mortgage Loan Schedule which is in fact not so transferred for
any reason shall continue to be a Mortgage Loan hereunder until the Purchase
Price with respect thereto has been paid to the Trust Fund.

     Mortgage Note: The original executed note or other evidence of indebtedness
evidencing the indebtedness of a Mortgagor under a Mortgage Loan and all
amendments, modifications and attachments thereto with all riders attached
thereto.

     Mortgage Pool: The aggregate of the Mortgage Loans identified in the
Mortgage Loan Schedule.

     Mortgaged Property: The underlying property securing a Mortgage Loan.

     Mortgage Rate: The annual rate of interest borne by a Mortgage Note from
time to time.

     Mortgagor: The obligor on a Mortgage Note.


                                      -51-

<PAGE>

     Net Mortgage Rate: As to each Mortgage Loan, and at any time, the per annum
rate equal to the then current Mortgage Rate less the Servicing Fee Rate.

     Net Rate: The per annum rate set forth in footnote 8 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).

     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 and for any Mortgage Group,
the weighted average Net Mortgage Rate for the Mortgage Loans in such Mortgage
Group 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 notes to be issued pursuant to the Indenture.

     NIMs Insurer: Any of the one or more insurers, if any, that is guaranteeing
certain payments under any NIM Notes; provided, that upon the payment in full of
the NIM Notes, all rights of the NIMs Insurer hereunder shall terminate.

     NIMs Insurer Default: As defined in Section 10.13.

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

     Non-Supported Interest Shortfall: As defined in Section 4.02.

     Offered Certificates: The Class A, Class M and Class B-1, Class B-2 and
Class B-3 Certificates.

     Officer's Certificate: A certificate (1) signed by the Chairman of the
Board, the Vice Chairman of the Board, the President, a vice president (however
denominated), an Assistant Vice President, the Treasurer, the Secretary, or one
of the assistant treasurers or assistant secretaries of the Depositor, or
Trustee, the Servicer (or any other officer customarily performing functions
similar to those performed by any of the above designated officers and to whom,
with respect to a particular matter, such matter is referred because of such
officer's knowledge of and familiarity with a particular subject) or (2), if


                                      -52-

<PAGE>

provided for in this Agreement, signed by a Servicing Officer, as the case may
be, and delivered to the Depositor, the Servicer or the Trustee, as the case may
be, as required by this Agreement.

     One-Month LIBOR: With respect to any Accrual Period, the rate determined by
the Trustee 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 Trustee 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 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 may be counsel for
the Depositor or the Servicer reasonably acceptable to each addressee of such
opinion; provided, however, that with respect to Section 6.04 or 10.01, or the
interpretation or application of the REMIC Provisions, such counsel must (1) in
fact be independent of the Depositor or the Servicer, (2) not have any direct
financial interest in the Depositor or the Servicer or in any Affiliate of
either such party, and (3) not be connected with the Depositor or the Servicer
as an officer, employee, promoter, underwriter, trustee, partner, director or
person performing similar functions.

     Optional Termination: The termination of the Trust Fund hereunder pursuant
to clause (a) of Section 9.01 hereof.

     Optional Termination Amount: The amount received by the Trustee in
connection with any purchase of all of the Mortgage Loans and REO Properties
pursuant to Section 9.01(b).

     Optional Termination Price: On any date after the Initial Optional
Termination Date an amount equal to the sum of (i) the then aggregate
outstanding Stated Principal Balance of the Mortgage Loans (or, if such Mortgage
Loan is an REO Property, the fair market value of such REO Property) plus
accrued interest thereon at the applicable Mortgage Rate through the Due Date in
the month in which the proceeds of the auction will be distributed on the
Certificates; (ii) any unreimbursed fees, indemnity amounts or out-of-pocket
costs and expenses owed to the Trustee or the Servicer and all unreimbursed
Advances and Servicing Advances, in each case incurred by such party in the
performance of its obligations; (iii) 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; and (iv) any
unpaid Net Swap Payments and any Swap Termination Payment owed to the Swap
Counterparty; such Swap


                                      -53-

<PAGE>

Termination Payment shall include any payment to the Swap Counterparty resulting
from the Optional Termination of the Trust.

     OTS: The Office of Thrift Supervision.

     Outstanding: With respect to the Certificates as of any date of
determination, all Certificates theretofore executed and authenticated under
this Agreement except: (1) Certificates theretofore canceled by the Trustee or
delivered to the Trustee for cancellation; and (2) Certificates in exchange for
which or in lieu of which other Certificates have been executed by the Trustee
and delivered by the Trustee pursuant to this Agreement.

     Outstanding Mortgage Loan: As of any Distribution Date, a Mortgage Loan
with a Stated Principal Balance greater than zero that was not the subject of a
Principal Prepayment in full, and that did not become a Liquidated Loan, prior
to the end of the related Due Period.

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

     Ownership Interest: As to any Certificate, any ownership 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.

     Pass-Through Rate: With respect to any Class of Certificates, the
corresponding Pass-Through Rate for such Class of Certificates.

     Percentage Interest: With respect to:

          (i)   any Class, the percentage interest in the undivided beneficial
               ownership interest evidenced by such Class which shall be equal
               to the Certificate Principal Balance of such Class divided by the
               aggregate Certificate Principal Balance of all Classes; and

          (ii) any Certificate, the Percentage Interest evidenced thereby of the
               related Class shall equal the percentage obtained by dividing the
               Denomination of such Certificate by the aggregate of the
                Denominations of all Certificates of such Class; except that in
               the case of any Class P Certificates, the Percentage Interest
               with respect to such Certificate shown on the face of such
               Certificate.

      Periodic Rate Cap: As to each Adjustable Rate Mortgage Loan and the related
Mortgage Note, the provision therein that limits permissible increases and
decreases in the Mortgage Rate on any Adjustment Date.

     Permitted Activities: The primary activities of the Trust Fund created
pursuant to this Agreement which shall be:

          (i)   holding Mortgage Loans transferred from the Depositor and other
               assets of the Trust Fund, including the Cap Contracts and the
               Supplemental Interest Trust


                                      -54-

<PAGE>

               subtrust, which in turn holds the Swap Agreement, and any credit
               enhancement and passive derivative financial instruments that
               pertain to beneficial interests issued or sold to parties other
               than the Depositor, its Affiliates, or its agents;

          (ii) issuing Certificates and other interests in the assets of the
               Trust Fund;

          (iii) through the appropriate subtrust, as applicable, receiving
               collections on the Mortgage Loans and the Swap Agreement and
               making payments on such Certificates and interests in accordance
               with the terms of this Agreement; and

           (iv) engaging in other activities that are necessary or incidental to
               accomplish these limited purposes, which activities cannot be
               contrary to the status of the Trust Fund as a qualified special
               purpose entity under existing accounting literature.

     Permitted Investments: At any time, any one or more of the following
     obligations and securities:

          (i)   obligations of the United States or any agency thereof, provided
               the timely payment of such obligations is backed by the full
               faith and credit of the United States;

          (ii) general obligations of or obligations guaranteed by any state of
               the United States or the District of Columbia receiving the
               highest long-term debt rating of each Rating Agency rating the
               Certificates;

          (iii) commercial or finance company paper, other than commercial or
               finance company paper issued by the Depositor, the Trustee or any
               of their Affiliates, which is then receiving the highest
               commercial or finance company paper rating of each such Rating
               Agency;

          (iv) certificates of deposit, demand or time deposits, or bankers'
               acceptances (other than banker's acceptances issued by the
               Trustee or any of its Affiliates) issued by any depository
               institution or trust company incorporated under the laws of the
               United States or of any state thereof and subject to supervision
               and examination by federal and/or state banking authorities,
               provided that the commercial paper and/or long term unsecured
               debt obligations of such depository institution or trust company
               are then rated one of the two highest long-term and the highest
               short-term ratings of each such Rating Agency for such
               securities;

          (v)   demand or time deposits or certificates of deposit issued by any
               bank or trust company or savings institution to the extent that
               such deposits are fully insured by the FDIC;

          (vi) guaranteed reinvestment agreements issued by any bank, insurance
               company or other corporation rated in the two highest long-term
               or the highest short-term ratings of each Rating Agency
               containing, at the time of the issuance of such agreements, such
               terms and conditions as will not result in the downgrading or
               withdrawal of the rating then assigned to the Certificates by any
               such Rating Agency as evidenced by a letter from each Rating
               Agency;


                                       -55-

<PAGE>

          (vii) repurchase obligations with respect to any security described in
               clauses (i) and (ii) above, in either case entered into with a
               depository institution or trust company (acting as principal)
               described in clause (v) above;

          (viii) securities (other than stripped bonds, stripped coupons or
               instruments sold at a purchase price in excess of 115% of the
               face amount thereof) bearing interest or sold at a discount
               issued by any corporation, other than the Trustee or any of its
               Affiliates, incorporated under the laws of the United States or
               any state thereof which, at the time of such investment, have one
               of the two highest long term ratings of each Rating Agency;

          (ix) interests in any money market fund (including those managed or
               advised by the Trustee or its Affiliates), which at the date of
                acquisition of the interests in such fund and throughout the time
               such interests are held in such fund has the highest applicable
               long term rating by each Rating Agency rating such fund; and

          (x)   short term investment funds sponsored by any trust company or
               national banking association incorporated under the laws of the
               United States or any state thereof, other than the Trustee or any
               of its Affiliates, which on the date of acquisition has been
               rated by each such Rating Agency in their respective highest
               applicable rating category;

provided, that no such instrument shall be a Permitted Investment if such
instrument (i) evidences the right to receive interest only payments with
respect to the obligations underlying such instrument, (ii) is purchased at a
premium or above par or (iii) is purchased at a deep discount; provided,
further, that no such instrument shall be a Permitted Investment (A) if such
instrument evidences principal and interest payments derived from obligations
underlying such instrument and the interest payments with respect to such
instrument provide a yield to maturity of greater than 120% of the yield to
maturity at par of such underlying obligations, or (B) if it may be redeemed at
a price below the purchase price (the foregoing clause (B) not to apply to
investments in units of money market funds pursuant to clause (ix) above); and
provided, further, (I) that no amount beneficially owned by any REMIC
(including, without limitation, any amounts collected by the Servicer but not
yet deposited in the Collection Account) may be invested in investments (other
than money market funds) treated as equity interests for Federal income tax
purposes, unless the Servicer shall receive an Opinion of Counsel, at the
expense of the party requesting that such investment be made, to the effect that
such investment will not adversely affect the status of the any REMIC provided
for herein as a REMIC under the Code or result in imposition of a tax on the
Trust Fund or any REMIC provided for herein and (II) each such investment must
be a "permitted investment" within the meaning of Section 860G(a)(5) of the
Code. Permitted Investments that are subject to prepayment or call may not be
purchased at a price in excess of par.

     Permitted Transferee: Any Person other than (i) the United States, any
State or political subdivision thereof, or any agency or instrumentality of any
of the foregoing, (ii) a foreign government, International Organization or any
agency or instrumentality of either of the foregoing, (iii) an organization
(except certain farmers' cooperatives described in Section 521 of the Code) that
is exempt from tax imposed by Chapter 1 of the Code (including the tax imposed
by Section 511 of the Code on unrelated business taxable income) on any excess
inclusions (as defined in Section 860E(c)(1) of the Code) with respect to the
Class R Certificate, (iv) rural electric and telephone cooperatives described in
Section 1381(a)(2)(C) of the Code, and (v) a Person that is not a citizen or
resident of the United States, a


                                      -56-

<PAGE>

corporation or partnership (or other entity treated as a corporation or
partnership for United States 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 or an estate whose income from sources without the United States is
includable in gross income for United States federal income tax purposes
regardless of its connection with the conduct of a trade or business within the
United States, 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 United States persons have authority to control all substantial decisions
of the trust, unless, in the case of this clause (v), such Person has furnished
the transferor and the Trustee with a duly completed Internal Revenue Service
Form W-8ECI or applicable successor form. The terms "United States," "State" and
"International Organization" shall have the meanings set forth in Section 7701
of the Code. A corporation will not be treated as an instrumentality of the
United States or of any State thereof for these purposes if all of its
activities are subject to tax and, with the exception of the Federal Home Loan
Mortgage Corporation, a majority of its board of directors is not selected by
such government unit.

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

     Pool Stated Principal Balance: As to any Distribution Date, the aggregate
of the Stated Principal Balances, as of such Distribution Date, of the Mortgage
Loans that were Outstanding Mortgage Loans as of such date.

     Preference Claim: The meaning set forth in Section 4.04(j) hereof.

     Prepayment Assumption: A rate of prepayment, as described in the Prospectus
Supplement in the definition of "Modeling Assumptions," relating to the Offered
Certificates or as described in the Private Placement Memorandum relating to the
Class B-4 Certificates.

     Prepayment Charges: Any prepayment premium or charge 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 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: With respect to any Distribution Date, for
each Mortgage Loan that was the subject of a Principal Prepayment in full (other
than a Principal Prepayment in full resulting from the purchase of a Mortgage
Loan pursuant to Section 2.02, 2.03 or 9.01 hereof and other than a Principal
Prepayment in full on a Mortgage Loan received during the period from and
including the first day to and including the 14th day of the month of such
Distribution Date), the amount, if any, by which (i) one month's interest at the
applicable Net Mortgage Rate on the Stated Principal Balance of such Mortgage
Loan as of the preceding Distribution Date exceeds (ii) the amount of interest
paid or collected in connection with such Principal Prepayment.


                                      -57-

<PAGE>

     Prepayment Period: With respect to any Distribution Date, the period
beginning with the opening of business on 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 with the opening of business on the
Cut-off Date) and ending on the close of business on the 14th day of the month
in which such Distribution Date occurs; provided, however, with respect to the
Interim Serviced Mortgage Loans, the Prepayment Period means, with respect to
any Distribution Date until the Servicing Transfer Date, the period beginning
with the opening of business on the 1st day of the calendar month preceding the
month in which such Distribution Date occurs (or in the case of the first
Distribution Date, beginning with the opening of business on the Cut-off Date)
and ending on the close of business on the last day of the calendar month
preceding the month in which such Distribution Date occurs.

     Principal Distribution Amount: With respect to each Distribution Date, the
sum of (i) the Principal Funds for such Distribution Date and (ii) any Extra
Principal Distribution Amount for such Distribution Date.

     Principal Funds: With respect to the Mortgage Loans and any Distribution
Date, the sum, without duplication, of (1) the scheduled principal due during
the related Due Period and received before the related Servicer Remittance Date
or advanced on or before the related Servicer Remittance Date, (2) prepayments
in full collected in the related Prepayment Period, (3) the Stated Principal
Balance of each Mortgage Loan that was purchased by the Depositor during the
related Prepayment Period or, in the case of a purchase pursuant to Section
9.01, 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
Loan is less than the aggregate unpaid principal of the related Deleted Mortgage
Loans delivered by the Sponsor in connection with a substitution of a Mortgage
Loan pursuant to Section 2.03(c), (5) all Liquidation Proceeds collected during
the related Prepayment Period (to the extent such Liquidation Proceeds relate to
principal and represent payment in full), (6) all Subsequent Recoveries received
during the related Due Period and (7) all other collections and recoveries in
respect of principal during the related Due Period, less (A) all Non-Recoverable
Advances relating to principal with respect to the Mortgage Loans and (B) other
amounts reimbursable (including without limitation indemnity payments) to the
Servicer and the Trustee pursuant to this Agreement allocable to principal.

     Principal Prepayment: Any Mortgagor payment or other recovery of (or
proceeds with respect to) principal on a Mortgage Loan (including Mortgage Loans
purchased or repurchased under Sections 2.02, 2.03 and 9.01 hereof) that is
received or recovered in advance of its scheduled Due Date and 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.
Partial Principal Prepayments shall be applied by the Servicer in accordance
with the terms of the related Mortgage Note.

     Private Placement Memorandum: The Private Placement Memorandum dated
September 29, 2006 relating to the private placement of the Class B-4
Certificates.

     Prospectus Supplement: The Prospectus Supplement dated September 27, 2006,
relating to the public offering of the Offered Certificates.

     PUD: A Planned Unit Development.

     Purchase Price: With respect to any Mortgage Loan required to be
repurchased by the Sponsor or the Transferor pursuant to Section 2.02 or 2.03
hereof, an amount equal to the sum of (i) 100% of the


                                      -58-

<PAGE>

unpaid principal balance of the Mortgage Loan as of the date of such purchase
together with any unreimbursed Servicing Advances, (ii) accrued interest thereon
at the applicable Mortgage Rate from (a) the date through which interest was
last paid by the Mortgagor to (b) the Due Date in the month in which the
Purchase Price is to be distributed to Certificateholders and (iii) any
unreimbursed costs, penalties and/or damages incurred by the Trust Fund in
connection with any violation relating to such Mortgage Loan of any predatory or
abusive lending law.

     QIB: A "qualified institutional buyer" within the meaning of Rule 144A.

     Rating Agency: Either of S&P or Moody's. If any such organization or its
successor is no longer in existence, "Rating Agency" shall be a nationally
recognized statistical rating organization, or other comparable Person,
designated by the Depositor, notice of which designation shall be given to the
Trustee. References herein to a given rating category of a Rating Agency shall
mean such rating category without giving effect to any modifiers.

     Rating Agency Condition: As defined in the Swap Agreement.

     Realized Loss: With respect to (1) a Liquidated Loan, the amount, if any,
by which the Stated Principal Balance and accrued interest thereon at the Net
Mortgage Rate exceeds the amount actually recovered by the Servicer with respect
thereto (net of reimbursement of Advances and Servicing Advances) at the time
such Mortgage Loan became a Liquidated Loan or (2) with respect to a Mortgage
Loan which is not a Liquidated Loan, any amount of principal that the Mortgagor
is no longer legally required to pay (except for the extinguishment of debt that
results from the exercise of remedies due to default by the Mortgagor).

     Record Date: With respect to the first Distribution Date, the Closing Date.
With respect to any other Distribution Date, the close of business on the last
Business Day of the month preceding the month in which the applicable
Distribution Date occurs.

     Reference Banks: Barclays Bank PLC, JPMorgan Chase Bank, N.A., Citibank,
N.A., Wells Fargo Bank, N.A. and NatWest, N.A.; provided that if any of the
foregoing banks are not suitable to serve as a Reference Bank, then any leading
banks selected by the Trustee which are engaged in transactions in Eurodollar
deposits in the international Eurocurrency market (i) with an established place
of business in London, England, (ii) whose quotations appear on the Reuters
Screen LIBO Page on the relevant Interest Determination Date and (iii) which
have been designated as such by the Servicer.

     Regular Certificate: Any one of the Class A, Class M and Class B
Certificates.

     Regulation AB: Subpart 229.1100 - 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, 1.531 (Jan. 7, 2005)) or by the staff of
the Commission, or as may be provided by the Commission or its staff from time
to time.

     Regulation S: Regulation S promulgated under the Securities Act or any
successor provision thereto, in each case as the same may be amended from time
to time; and all references to any rule, section or subsection of, or definition
or term contained in, Regulation S means such rule, section,


                                      -59-

<PAGE>

subsection, definition or term, as the case may be, or any successor thereto, in
each case as the same may be amended from time to time.

     Regulation S Book-Entry Certificates: Certificates sold in offshore
transactions in reliance on Regulation S in the form of one or more permanent
global Certificates in definitive, fully registered form without interest
coupons, which shall be deposited on behalf of the subscribers for such
Certificates represented thereby with the Trustee, as custodian for DTC and
registered in the name of a nominee of DTC.

     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.

     Relief Act: The Servicemembers Civil Relief Act or any similar state or
local law.

     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: A "real estate mortgage investment conduit" within the meaning of
section 860D of the Code. References herein to "the REMICs" or "a REMIC" shall
mean any of (or, as the context requires, all of) the SWAP REMIC, the Lower Tier
REMIC and the Upper Tier REMIC.

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

     REMIC Provisions: 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 proposed,
temporary and final regulations and published rulings, notices and announcements
promulgated thereunder, as the foregoing may be in effect from time to time as
well as provisions of applicable state laws.

     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.

     Remittance Report: As defined in Section 4.04(j) hereof.

     REO Property: A Mortgaged Property acquired by the Servicer through
foreclosure or deed-in-lieu of foreclosure in connection with a defaulted
Mortgage Loan.

     Replacement Mortgage Loan: A Mortgage Loan substituted by the Depositor for
a Deleted Mortgage Loan, which must, on the date of such substitution, as
confirmed in a Request for Release, substantially in the form of Exhibit I (1)
have a Stated Principal Balance, after deduction of the principal portion of the
Scheduled Payment due in the month of substitution, not in excess of, and not
less than 90% of the Stated Principal Balance of the Deleted Mortgage Loan; (2)
with respect to any Fixed Rate Mortgage Loan, have a Mortgage Rate not less than
or no more than 1% per annum higher than the


                                      -60-

<PAGE>

Mortgage Rate of the Deleted Mortgage Loan and, with respect to any Adjustable
Rate Mortgage Loan: (A) have a Maximum Mortgage Rate no more than 1% per annum
higher or lower than the Maximum Mortgage Rate of the Deleted Mortgage Loan; (B)
have a Minimum Mortgage Rate no more than 1% per annum higher or lower than the
Minimum Mortgage Rate of the Deleted Mortgage Loan; (C) have the same index and
Periodic Rate Cap as that of the Deleted Mortgage Loan and a Gross Margin not
more than 1% per annum higher or lower than that of the Deleted Mortgage Loan;
(D) not permit conversion of the related Mortgage Rate to a fixed Mortgage Rate
and (F) currently be accruing interest at a rate not more than 1% per annum
higher or lower than that of the Deleted Mortgage Loan; (3) have a similar or
higher FICO score or credit grade than that of the Deleted Mortgage Loan; (4)
have a Loan-to-Value Ratio (or Combined Loan-to-Value Ratio, in the case of a
Mortgage Loan in a second lien position) no higher than that of the Deleted
Mortgage Loan; (5) have a remaining term to maturity no greater than (and not
more than one year less than) that of the Deleted Mortgage Loan; (6) provide for
a Prepayment Charge on terms substantially similar to those of the Prepayment
Charge, if any, of the Deleted Mortgage Loan; (7) have the same lien priority as
the Deleted Mortgage Loan; (8) constitute the same occupancy type as the Deleted
Mortgage Loan; and (9) comply with each representation and warranty set forth in
Section 2.03 hereof.

     Request for Release: The Request for Release of Documents submitted by the
Servicer to the Trustee, substantially in the form of Exhibit I hereto.

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

     Required Percentage: As of any Distribution Date following the Stepdown
Date, the quotient of (1) the excess of (A) the Stated Principal Balances of the
Mortgage Loans as of such Distribution Date, over (B) the Certificate Principal
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 (2) the Stated Principal Balance of the Mortgage Loans as
of such Distribution Date.

     Requirements: Any rules or regulations promulgated pursuant to the
Sarbanes-Oxley Act of 2002 (as such may be amended from time to time).

     Reserve Interest Rate: With respect to any Interest Determination Date, the
rate per annum that the Trustee determines to be (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 Trustee 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 Trustee can determine no such arithmetic mean, the lowest
one-month United States dollar lending rate which New York City banks selected
by the Trustee are quoting on such Interest Determination Date to leading
European banks.

     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 distributions in respect of the Class SWR Interest and Class LTR Interest
and distributions on the Class R Certificate in respect of Excess Interest.

     Responsible Officer: When used with respect to the Trustee or the Servicer,
any officer of the Trustee or the Servicer with direct responsibility for the
administration of this Agreement and any other officer to whom, with respect to
a particular matter, such matter is referred because of such officer's knowledge
of and familiarity with the particular subject.


                                      -61-

<PAGE>

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

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

     Sale Agreement: The Mortgage Loan Sale and Assignment Agreement dated as of
September 1, 2006, between the Depositor and the Sponsor.

     Sarbanes-Oxley Certification: Has the meaning set forth in Section 3.20.

     Scheduled Payment: The scheduled monthly payment on a Mortgage Loan due on
any Due Date allocable to principal and/or interest on such Mortgage Loan.

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

     Servicer: Wilshire Credit Corporation, a Nevada corporation, or its
successor in interest.

     Servicer Advance Date: As to any Distribution Date, the related Servicer
Remittance Date.

     Servicer Remittance Date: With respect to any Distribution Date, the later
of two Business Days after the 15th day of the month in which such Distribution
Date occurs and the 18th day (or if such day is not a Business Day, the next
preceding Business Day) of the month in which such Distribution Date occurs.

     Servicing Advances: All customary, reasonable and necessary "out of pocket"
costs and expenses incurred in the performance by the Servicer of its servicing
obligations hereunder, including, but not limited to, the cost of (1) the
preservation, inspection, prior liens, restoration and protection of a Mortgaged
Property, including without limitation advances in respect of 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 Mortgages or payable under this
Agreement, (5) correcting errors of prior servicers; costs and expenses charged
to the Servicer by the Trustee; tax tracking; title research; flood
certifications; 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 3.01 and 3.10.

     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 each Mortgage Loan and any Distribution Date, an
amount equal to the product of (x) the Servicing Fee Rate and (y) the Stated
Principal Balance of such Mortgage Loan as of the preceding Distribution Date
or, in the event of any payment of interest that accompanies a Principal
Prepayment in full made by the Mortgagor, interest at the Servicing Fee Rate on
the Stated Principal


                                      -62-

<PAGE>

Balance of such Mortgage Loan as of the preceding Distribution Date for the
period covered by such payment of interest.

      Servicing Fee Rate: 0.50% per annum for each Mortgage Loan.

     Servicing Officer: Any officer of the Servicer involved in, or responsible
for, the administration and servicing of the Mortgage Loans whose name and
facsimile signature appear on a list of servicing officers furnished to the
Trustee by the Servicer on the Closing Date pursuant to this Agreement, as such
lists may from time to time be amended.

     Servicing Side Agreement: The letter agreement, dated as of September 29,
2006, by and between the Interim Servicer and the Trustee, and acknowledged and
agreed to by MLML, pursuant to which the Interim Servicer shall service the
Interim Serviced Loans until the Servicing Transfer Date.

     Servicing Transfer Costs: In the event that the Servicer does not reimburse
the Trustee under this Agreement, all costs associated with the transfer of
servicing from the predecessor Servicer, including, without limitation, any
costs or expenses associated with the termination of the predecessor Servicer,
the appointment of a successor servicer, the complete transfer of all servicing
data and the completion, correction or manipulation of such servicing data as
may be required by the Trustee or any successor servicer to correct any errors
or insufficiencies in the servicing data or otherwise to enable the Trustee or
successor servicer to service the Mortgage Loans properly and effectively.

     Servicing Transfer Date: The date, which is expected to be November 1,
2006, on which the servicing of the Interim Serviced Mortgage Loans will be
transferred from the Interim Servicer to the Servicer.

     SFAS 140: Statement of Financial Accounting Standard No. 140, Accounting
for Transfers and Servicing of Financial Assets and Extinguishments of
Liabilities dated September 2000, published by the Financial Accounting
Standards Board of the Financial Accounting Foundation.

     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 Trustee) of the aggregate maximum probable exposure of the
outstanding Certificates to the Swap Agreement.

     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 Certificate Principal
Balance of the Certificates, prior to the distribution of the Principal
Distribution Amount on such Distribution Date.

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

     Startup Day: As defined in Section 2.07 hereof.

     Stated Principal Balance: With respect to any Mortgage Loan or related REO
Property (1) as of the Cut-off Date, the Cut-off Date Principal Balance thereof,
and (2) as of any Distribution Date, such Cut-off Date Principal Balance, minus
the sum of (A) the principal portion of the Scheduled Payments (x) due with
respect to such Mortgage Loan during each Due Period ending prior to such
Distribution Date and (y) that were received by the Servicer as of the close of
business on the Determination Date related to such Distribution Date or with
respect to which Advances were made on the Servicer Advance Date prior to such
Distribution Date and (B) all Principal Prepayments with respect to such
Mortgage Loan received


                                      -63-

<PAGE>

on or prior to the last day of the related Prepayment Period, and all
Liquidation Proceeds to the extent applied by the Servicer as recoveries of
principal in accordance with Section 3.12 with respect to such Mortgage Loan,
that were received by the Servicer as of the close of business on the last day
of the related Due Period. Notwithstanding the foregoing, the Stated Principal
Balance of a Liquidated Loan shall be deemed to be zero.

     Stepdown Date: The earlier of: (A) the first Distribution Date on which the
aggregate Certificate Principal Balance of the Class A Certificates has been
reduced to zero; and (B) the later to occur of (1) the Distribution Date in
October 2009 or (2) the first Distribution Date on which the aggregate Class A
Certificate Principal Balance (reduced by the Principal Funds with respect to
such Distribution Date) is less than or equal to 53.40% of the aggregate Stated
Principal Balances of the Mortgage Loans as of the end of the immediately
preceding Due Period.

     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 OCCURRING IN     STEPDOWN REQUIRED LOSS PERCENTAGE
------------------------------     ---------------------------------
<S>                               <C>
October 2008 -- September 2009    1.70% with respect to October 2008,
                                 plus an additional 1/12th of 2.15%
                                 for each month thereafter

October 2009 -- September 2010    3.85% with respect to October 2009,
                                 plus an additional 1/12th of 2.20%
                                 for each month thereafter

October 2010 -- September 2011    6.05% with respect to October 2010,
                                  plus an additional 1/12th of 1.75%
                                 for each month thereafter

October 2011 -- September 2012    7.80% with respect to October 2011,
                                 plus an additional 1/12th of 0.70%
                                 for each month thereafter

October 2012 and thereafter       8.50%
</TABLE>

     Stepdown Trigger Event: With respect to the Certificates on or after the
Stepdown Date, a Distribution Date on which (1) the quotient of (A) the
aggregate Stated Principal Balance of all Mortgage Loans that are 60 or more
days Delinquent measured on a rolling three month basis (including, for the
purposes of this calculation, Mortgage Loans in foreclosure and REO Properties
and Mortgage Loans with respect to which the applicable Mortgagor is in
bankruptcy) and (B) the Stated Principal Balance of the Mortgage Loans as of the
preceding Servicer Remittance Date, equals or exceeds the product of (i) 34.30%
and (ii) the Required Percentage or (2) the quotient (expressed as a percentage)
of (A) the aggregate Realized Losses incurred from the Cut-off Date through the
last day of the calendar month preceding such Distribution Date and (B) the
aggregate principal balance of the Mortgage Loans as of the Cut-off Date exceeds
the Stepdown Required Loss Percentage.

     Subcontractor: Any outsourcer that performs one or more discrete functions
identified in Item 1122(d) of Regulation AB with respect to 5% or more of the
Mortgage Loans under the direction or authority of a Servicer (measured by
aggregate Stated Principal Balance of the Mortgage Loans, annually at the
commencement of the calendar year prior to the year in which an Assessment of
Compliance is required to be delivered, multiplied by a fraction, the numerator
of which is the number of months during


                                      -64-

<PAGE>

which such Subcontractor performs such discrete functions and the denominator of
which is 12, or, in the case of the year in which the Closing Date occurs, the
number of months elapsed in such calendar year).

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

     Subordinate Certificates Cap Contract: The confirmation and agreement
between the Trustee on behalf of the Trust Fund and the Cap Contract
Counterparty (in the form of Exhibit M-3 hereto).

     Subordinate Certificates Cap Contract Notional Balance: With respect to any
Distribution Date, the Subordinate Certificates Cap Contract Notional Balance
set forth for such Distribution Date in the Subordinate Certificates One-Month
LIBOR Cap Table attached hereto as Exhibit N-3.

     Subordinate Certificates Cap Contract Termination Date: The Distribution
Date in March 2007.

     Subordinate Certificate Upper Collar: With respect to each Distribution
Date with respect to which payments are received on the Subordinate Cap
Contract, a rate equal to the lesser of One-Month LIBOR and 8.880% per annum.

     Subsequent Recovery: Any amount received on a Mortgage Loan (net of amounts
reimbursed to the Servicer related to Liquidated Mortgage Loans) subsequent to
such Mortgage Loan being determined to be a Liquidated Mortgage Loan.

     Sub-Servicer: Any Person that services Mortgage Loans on behalf of the
Servicer pursuant to a subservicing agreement and is responsible for the
performance of the material servicing functions required to be performed by the
Servicer under this Agreement that are identified in Item 1122(d) of Regulation
AB with respect to 10% or more of the Mortgage Loans under the direction or
authority of the Servicer (measured by aggregate Stated Principal Balance of the
Mortgage Loans, annually at the commencement of the calendar year prior to the
year in which an Assessment of Compliance is required to be delivered,
multiplied by a fraction, the numerator of which is the number of months during
which such Subservicer services the related Mortgage Loans and the denominator
of which is 12, or, in the case of the year in which the Closing Date occurs,
the number of months elapsed in such calendar year). Any subservicer shall meet
the qualifications set forth in Section 3.02.

     Subservicing Agreement: As defined in Section 3.02(a).

     Substitution Adjustment Amount: The meaning ascribed to such term pursuant
to Section 2.03(c).

     Supplemental Interest Trust: The separate trust, established pursuant to
Section 4.04(l) of this Agreement and held by the Trustee for the benefit of the
holders of the Certificates as a segregated subtrust of the Trust Fund, in which
the Swap Agreement will be held, out of which any Swap Termination Payments or
Net Swap Payments owed to the Swap Counterparty will be paid, certain
distributions to Certificateholders will be made, and into which any Swap
Termination Payments or Net Swap Payments received from the Swap Counterparty
will be deposited as set forth in Section 4.04 hereof.

     Swap Agreement: The agreement, dated as of September 29, 2006, between the
Swap Counterparty and the trustee of the Supplemental Interest Trust for the
benefit of the Issuing Entity or any


                                      -65-

<PAGE>

other swap agreement (including any related schedules) held by the Supplemental
Interest Trust pursuant to Section 4.04(l) hereof.

     Swap Counterparty: Bear Stearns Financial Products Inc. 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: With respect to each Distribution Date with respect to
which Net Swap Payments are made, one business day (as defined in the Swap
Agreement) prior to such Distribution Date.

     SWAP REMIC: As described in the Preliminary Statement and Section 2.07.

     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.

     Tax Matters Person: The Person designated as "tax matters person" in the
manner provided under Treasury regulation Section 1.860F-4(d) and Treasury
regulation Section 301.6231(a)(7)-1.

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

     Transfer Agreement: The Master Mortgage Loan Purchase and Interim Servicing
Agreement, dated as of June 1, 2006, as amended, between Merrill Lynch Bank USA,
as purchaser, and MLNUSA, as seller and interim servicer, and the related
assignment, assumption and recognition agreement, as supplemented by the Bring
Down Letter.

     Transferor: MLNUSA.

     Trust Fund: The corpus of the trust (the "Merrill Lynch Mortgage Investors
Trust, Series 2006-MLN1") created hereunder consisting of (i) the Mortgage Loans
and all interest and principal received on or with respect thereto on and after
the Cut-off Date to the extent not applied in computing the Cut-off Date
Principal Balance thereof, exclusive of interest not required to be deposited in
the Collection Account; (ii) the Collection Account and the Certificate Account
and all amounts deposited therein pursuant to the applicable provisions of this
Agreement; (iii) property that secured a Mortgage Loan and has been acquired by
foreclosure, deed in lieu of foreclosure or otherwise; (iv) the mortgagee's
rights under the Insurance Policies with respect to the Mortgage Loans; (v) all
proceeds of the conversion, voluntary or involuntary, of any of the foregoing
into cash or other liquid property; (vi) the Cap Contracts and Cap Contract
Account and (vii) the Supplemental Interest Trust, which in turn holds the Swap
Agreement.


                                       -66-

<PAGE>

     Trustee: LaSalle Bank National Association, a national banking association,
not in its individual capacity, but solely in its capacity as trustee 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; it being understood that certain duties of the Trustee under
Sections 2.01, 2.02 and 3.13 with respect to the possession and administration
of the Mortgage Files generally may be carried out by a custodian engaged by the
Trustee.

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

     United States Person: (i) A citizen or resident of the United States, (ii)
a corporation, partnership or other entity treated as a corporation or
partnership for federal income tax purposes organized in or under the laws of
the United States or any state thereof or the District of Columbia (unless, in
the case of a partnership, Treasury regulations provide otherwise), (iii) an
estate the income of which is includible in gross income for United States tax
purposes regardless of its source or (iv) 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 United States persons have authority to control all
substantial decisions of the trust. Notwithstanding the preceding sentence, to
the extent provided in Treasury regulations, certain trusts in existence on
August 20, 1996, and treated as United States persons prior to such date, that
elect to continue to be treated as United States persons will also be United
States Persons.

     Unpaid Realized Loss Amount: The Class M-1 Unpaid Realized Loss Amount,
Class M-2 Unpaid Realized Loss Amount, Class M-3 Unpaid Realized Loss Amount,
Class M-4 Unpaid Realized Loss Amount, Class M-5 Unpaid Realized Loss Amount,
Class M-6 Unpaid Realized Loss Amount, Class B-1 Unpaid Realized Loss Amount,
Class B-2 Unpaid Realized Loss Amount, Class B-3 Unpaid Realized Loss Amount,
Class B-4 Unpaid Realized Loss Amount and Class C Unpaid Realized Loss Amount,
collectively.

     Upper Tier REMIC: As described in the Preliminary Statement and Section
2.07.

     Upper Tier REMIC Net WAC Cap: In the case of the Class UTA-1 Interest and
the Residual Interest, a per annum rate equal to the weighted average of the
interest rate of the Class LTII1B Interest for such Distribution Date. In the
case of the Class UTA-2A, Class UTA-2B, Class UTA-2C and Class UTA-2D Interests,
a per annum rate equal to the weighted average of the interest rate for the
Class LTII2B for such Distribution Date. In the case of the Class UTM-1, Class
UTM-2, Class UTM-3, Class UTM-4, Class UTM-5, Class UTM-6, Class UTB-1, Class
UTB-2, Class UTB-3 and Class UTB-4 Interests, a per annum rate equal to the
weighted average of the interest rates of Class LTII1B and Class LTII2B
Interests for such Distribution weighted, respectively, on the basis of the
uncertificated principal balances of the Class LTII1A and the Class LTII2A
Interests.

     USAP Report: A report in compliance with the Uniform Single Attestation
Program for Mortgage Bankers delivered in accordance with Section 3.18.

     Voting Rights: The portion of the voting rights of all the Certificates
that is allocated to any of the Certificates for purposes of the voting
provisions hereunder. Voting Rights allocated to each Class of Certificates
shall be allocated as follows: (1) 98% to the Class A, Class M and Class B
Certificates, with the allocation among such Certificates to be in proportion to
the Certificate Principal Balance of each


                                      -67-

<PAGE>

Class relative to the Certificate Principal Balance of all other Classes and (2)
each Class of the Class C and Class P will be allocated 1% of the Voting Rights.
Voting Rights will be allocated among the Certificates of each such Class in
accordance with their respective Percentage Interests.

     Weighted Average Available Funds Cap: With respect to a Distribution Date,
the per annum rate equal to the weighted average of the Class A-1 Available
Funds Cap and the Class A-2 Available Funds Cap (weighted in proportion to the
results of subtracting from the aggregate Stated Principal Balance of each
Mortgage Group, the current Certificate Principal Balance of the Class A-1 and
Class R Certificates, in the case of Group One, or the Class A-2A, Class A-2B,
Class A-2C and Class A-2D Certificates, in the case of Group Two).

     Weighted Average Maximum Rate Cap: With respect to a Distribution Date, the
per annum rate equal to the weighted average (weighted in proportion to the
results of subtracting from the aggregate Stated Principal Balance of each
Mortgage Group, the current Certificate Principal Balance of the Class A-1 and
Class R Certificates, in the case of Group One, or the Class A-2A, Class A-2B,
Class A-2C and Class A-2D Certificates, in the case of Group Two) of the Class
A-1 Maximum Rate Cap and the Class A-2 Maximum Rate Cap.


                                      -68-
<PAGE>

                                   ARTICLE II

                          CONVEYANCE OF MORTGAGE LOANS;
                         REPRESENTATIONS AND WARRANTIES

     SECTION 2.01. Conveyance of Mortgage Loans

     The Depositor, concurrently with the execution and delivery hereof, does
hereby sell, transfer, assign, set over and convey to the Trustee without
recourse all the right, title and interest of the Depositor in and to the assets
of the Trust Fund. Such assignment includes all interest and principal received
on or with respect to the Mortgage Loans on or after the Cut-off Date (other
than Scheduled Payments due on the Mortgage Loans on or before the Cut-off
Date).

     It is agreed and understood by the Depositor, the Servicer and the Trustee
that it is not intended that any Mortgage Loan be included in the Trust that is,
without limitation, either (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; (iv) a "High-Cost
Home Loan" as defined by the Indiana High Cost Home Loan Law effective January
1, 2005 or (v) a "High-Cost Home Loan" as defined by the Illinois High Risk Home
Loan Act effective January 1, 2004.

     In connection with such assignment, the Depositor does hereby deliver to,
and deposit with the Trustee the following documents or instruments with respect
to each Mortgage Loan:

          (A) The original Mortgage Note endorsed in blank or, "Pay to the order
     of LaSalle Bank National Association, as trustee, without recourse"
     together with all riders thereto. The Mortgage Note shall include all
     intervening endorsements showing a complete chain of the title from the
     Transferor to [_______________].

          (B) Except as provided below and for each Mortgage Loan that is not a
     MERS Loan, the original recorded Mortgage together with all riders thereto,
     with evidence of recording thereon, or, if the original Mortgage has not
     yet been returned from the recording office, a copy of the original
     Mortgage together with all riders thereto certified to be a true copy of
     the original of the Mortgage that has been delivered for recording in the
     appropriate recording office of the jurisdiction in which the Mortgaged
     Property is located and in the case of each MERS Loan, the original
     Mortgage together with all riders thereto, noting the presence of the MIN
     of the Loan and either language indicating that the Mortgage Loan is a MOM
     Loan or if the Mortgage Loan was not a MOM Loan at origination, the
     original Mortgage and the assignment thereof to MERS, with evidence of
     recording indicated thereon, or a copy of the Mortgage certified by the
     public recording office in which such Mortgage has been recorded.

          (C) In the case of each Mortgage Loan that is not a MERS Loan, the
     original Assignment of each Mortgage in blank or, to "LaSalle Bank National
     Association, as trustee."

          (D) The original policy of title insurance (or a preliminary title
     report, commitment or binder if the original title insurance policy has not
     been received from the title insurance company).


                                      -69-

<PAGE>

          (E) Originals of any intervening assignments of the Mortgage, with
     evidence of recording thereon or, if the original intervening assignment
     has not yet been returned from the recording office, a copy of such
     assignment certified to be a true copy of the original of the assignment
     which has been sent for recording in the appropriate jurisdiction in which
     the Mortgaged Property is located.

          (F) Originals of all assumption and modification agreements, if any.

          (G) If in connection with any Mortgage Loan, the Depositor cannot
     deliver the Mortgage, Assignments of Mortgage or assumption, consolidation
     or modification, as the case may be, with evidence of recording thereon, if
     applicable, concurrently with the execution and delivery of this Agreement
     solely because of a delay caused by the public recording office where such
     Mortgage, Assignments of Mortgage or assumption, consolidation or
     modification, as the case may be, has been delivered for recordation, the
     Depositor shall deliver or cause to be delivered to the Trustee written
     notice stating that such Mortgage or assumption, consolidation or
     modification, as the case may be, has been delivered to the appropriate
     public recording office for recordation. Thereafter, the Depositor shall
     deliver or cause to be delivered to the Trustee such Mortgage, Assignments
     of Mortgage or assumption, consolidation or modification, as the case may
     be, with evidence of recording indicated thereon, if applicable, upon
     receipt thereof from the public recording office. To the extent any
     required endorsement is not contained on a Mortgage Note or an Assignment
     of Mortgage, the Depositor shall make or cause to be made such endorsement.

          (H) With respect to any Mortgage Loan, none of the Depositor, the
     Servicer or the Trustee shall be obligated to cause to be recorded the
     Assignment of Mortgage referred to in this Section 2.01. In the event an
     Assignment of Mortgage is not recorded, the Servicer shall have no
      liability for its failure to receive and act on notices related to such
     Assignment of Mortgage.

     The ownership of each Mortgage Note, the Mortgage and the contents of the
related Mortgage File is vested in the Trustee on behalf of the
Certificateholders. Neither the Depositor nor the Servicer shall take any action
inconsistent with such ownership and shall not claim any ownership interest
therein. The Depositor and the Servicer shall respond to any third party
inquiries with respect to ownership of the Mortgage Loans by stating that such
ownership is held by the Trustee on behalf of the Certificateholders. Mortgage
documents relating to the Mortgage Loans not delivered to the Trustee are and
shall be held in trust by the Servicer, for the benefit of the Trustee as the
owner thereof, and the Servicer's possession of the contents of each Mortgage
File so retained is for the sole purpose of servicing the related Mortgage Loan,
and such retention and possession by the Servicer, is in a custodial capacity
only. The Depositor agrees to take no action inconsistent with the Trustee's
ownership of the Mortgage Loans, to promptly indicate to all inquiring parties
that the Mortgage Loans have been sold and to claim no ownership interest in the
Mortgage Loans.

     It is the intention of this Agreement that the conveyance of the
Depositor's right, title and interest in and to the Trust Fund pursuant to this
Agreement shall constitute a purchase and sale and not a loan. If a conveyance
of Mortgage Loans from the Sponsor to the Depositor is characterized as a pledge
and not a sale, then the Depositor shall be deemed to have transferred to the
Trustee all of the Depositor's right, title and interest in, to and under the
obligations of the Sponsor deemed to be secured by said pledge; and it is the
intention of this Agreement that the Depositor shall also be deemed to have
granted to the Trustee a first priority security interest in all of the
Depositor's right, title, and interest in, to and under the


                                       -70-

<PAGE>

obligations of the Sponsor to the Depositor deemed to be secured by said pledge
and that the Trustee shall be deemed to be an independent custodian for purposes
of perfection of the security interest granted to the Depositor. If the
conveyance of the Mortgage Loans from the Depositor to the Trustee is
characterized as a pledge, it is the intention of this Agreement that this
Agreement shall constitute a security agreement under applicable law, and that
the Depositor shall be deemed to have granted to the Trustee a first priority
security interest in all of the Depositor's right, title and interest in, to and
under the Mortgage Loans, all payments of principal of or interest on such
Mortgage Loans, all other rights relating to and payments made in respect of the
Trust Fund, and all proceeds of any thereof. If the trust created by this
Agreement terminates prior to the satisfaction of the claims of any Person in
any Certificates, the security interest created hereby shall continue in full
force and effect and the Trustee shall be deemed to be the collateral agent for
the benefit of such Person.

     In addition to the conveyance made in the first paragraph of this Section
2.01, the Depositor does hereby convey, assign and set over to the Trustee for
the benefit of the Certificateholders its rights and interests under the Sale
Agreement, including the Depositor's right, title and interest in the
representations and warranties contained in the Sale Agreement, the rights in
the Transfer Agreements described therein, and the benefit of the repurchase
obligations and the obligation of the Sponsor contained in the Sale Agreement to
take, at the request of the Depositor or the Trustee, all action on its part
which is reasonably necessary to ensure the enforceability of a Mortgage Loan.
The Trustee hereby accepts such assignment, and shall be entitled to exercise
all rights of the Depositor under the Sale Agreement as if, for such purpose, it
were the Depositor. The foregoing sale, transfer, assignment, set-over, deposit
and conveyance does not and is not intended to result in creation or assumption
by the Trustee of any obligation of the Depositor, the Sponsor, or any other
Person in connection with the Mortgage Loans or any other agreement or
instrument relating thereto.

     SECTION 2.02. Acceptance by the Trustee of the Mortgage Loans

     Except as set forth in the exception report delivered contemporaneously
herewith (the "Exception Report"), the Trustee acknowledges receipt of the
Mortgage Note for each Mortgage Loan and delivery of a Mortgage File (but does
not acknowledge receipt of all documents required to be included in such
Mortgage File) with respect to each Mortgage Loan and declares that it holds and
will hold such documents and any other documents constituting a part of the
Mortgage Files delivered to it in trust for the use and benefit of all present
and future Certificateholders. The Depositor will cause the Sponsor to
repurchase any Mortgage Loan to which a material exception was taken in the
Exception Report unless such exception is cured to the satisfaction of the
Trustee within 45 Business Days of the Closing Date.

     The Trustee acknowledges receipt of the three Cap Contracts (forms of which
are attached hereto as Exhibits N-1, N-2 and N-3), the Transfer Agreement, the
Bring Down Letter and the Sale Agreement.

     The Trustee acknowledges receipt of the Swap Agreement that will be held in
the Supplemental Interest Trust and is hereby instructed to enter into the Swap
Agreement, not in its individual capacity, but solely as Trustee for the Issuing
Entity and for the Supplemental Interest Trust.

     The Trustee agrees, for the benefit of Certificateholders, and the NIMs
insurer, to review each Mortgage File delivered to it within 60 days after the
Closing Date. The Trustee will ascertain and to certify, within 70 days of the
Closing Date, to the NIMs Insurer, the Depositor and the Servicer that all
documents required by Section 2.01 (A)-(B), (C) (if applicable), and (D)-(E),
and the documents if actually received by it, under Section 2.01(F), have been
executed and received, and that such documents


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<PAGE>

relate to the Mortgage Loans identified in Exhibit B-1 that have been conveyed
to it. It is herein acknowledged that, in conducting such review, the Trustee
shall not be under any duty or obligation to inspect, review or examine any such
documents, instruments, certificates or other papers to determine that they are
genuine, enforceable or appropriate for the represented purpose, that they have
actually been recorded or that they are other than what they purport to be on
their face. If the Trustee finds any document or documents constituting a part
of a Mortgage File to be missing or defective (that is, mutilated, damaged,
defaced or unexecuted) in any material respect, the Trustee shall promptly (and
in any event within no more than five Business Days) after such finding so
notify the NIMs Insurer, the Servicer, the Sponsor and the Depositor. In
addition, the Trustee shall also notify the NIMs Insurer, the Servicer, the
Sponsor and the Depositor if the original Mortgage with evidence of recording
thereon with respect to a Mortgage Loan is not received within 70 days of the
Closing Date; if it has not been received because of a delay caused by the
public recording office where such Mortgage has been delivered for recordation,
the Depositor shall deliver or cause to be delivered to the Trustee written
notice stating that such Mortgage has been delivered to the appropriate public
recording office for recordation and thereafter the Depositor shall deliver or
cause to be delivered such Mortgage with evidence of recording thereon upon
receipt thereof from the public recording office. The Trustee shall request that
the Sponsor correct or cure such omission, defect or other irregularity, or
substitute a Mortgage Loan pursuant to the provisions of Section 2.03(c), within
90 days from the date the Sponsor was notified of such omission or defect and,
if the Sponsor does not correct or cure such omission or defect within such
period, that the Sponsor purchase such Mortgage Loan from the Trust Fund within
90 days from the date the Trustee notified the Sponsor of such omission, defect
or other irregularity at the Purchase Price of such Mortgage Loan. The Purchase
Price for any Mortgage Loan purchased pursuant to this Section 2.02 shall be
paid to the Servicer and deposited by the Servicer in the Certificate Account or
Collection Account, as appropriate, promptly upon receipt, and upon receipt by
the Trustee of written notification of such deposit signed by a Servicing
Officer or receipt of such deposit by the Trustee, the Trustee, upon receipt of
a Request for Release and certification of the Servicer of such required
deposit, shall promptly release to the Sponsor the related Mortgage File and the
Trustee shall execute and deliver such instruments of transfer or assignment,
without recourse, as shall be requested by the Sponsor and necessary to vest in
the Sponsor or its designee, as the case may be, any Mortgage Loan released
pursuant hereto, and the Trustee shall have no further responsibility with
regard to such Mortgage Loan. It is understood and agreed that the obligation of
the Sponsor to purchase, cure or substitute any Mortgage Loan as to which a
material defect in or omission of a constituent document exists shall constitute
the sole remedy respecting such defect or omission available to the Trustee on
behalf of Certificateholders and the NIMs Insurer. The preceding sentence shall
not, however, limit any remedies available to the Certificateholders, the NIMs
Insurer, the Depositor or the Trustee pursuant to the Sale Agreement, the
Transfer Agreement or the Bring Down Letter. The Trustee shall be under no duty
or obligation to inspect, review and examine such documents, instruments,
certificates or other papers to determine that they are genuine, enforceable,
recordable, duly authorized, sufficient, legal, valid or appropriate to the
represented purpose, or that they have actually been recorded, or that they are
other than what they purport to be on their face. The Servicer and the Trustee
shall keep confidential the name of each Mortgagor except as required for
performance of this Agreement and the Servicer and the Trustee shall not solicit
any such Mortgagor for the purpose of refinancing the related Mortgage Loan;
notwithstanding anything herein to the contrary, the foregoing shall not be
construed to prohibit (i) disclosure of any and all information that is or
becomes publicly known, or information obtained by the Trustee or the Servicer
from sources other than the other parties hereto, (ii) disclosure of any and all
information (A) if required to do so by any applicable law, rule or regulation,
(B) to any government agency or regulatory body having or claiming authority to
regulate or oversee any aspects of the business of the Trustee or the Servicer
or that of any Affiliate, (C) pursuant to any subpoena, civil investigation
demand or similar demand or request of any court,


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<PAGE>

regulatory authority, arbitrator or arbitration to which the Trustee or the
Servicer or any Affiliate or an officer, director, employer or shareholder
thereof is a party or (D) to any Affiliate, independent or internal auditor,
agent, employee or attorney of the Trustee or the Servicer having a need to know
the same, provided that the Trustee or the Servicer, as applicable, advises such
recipient of the confidential nature of the information being disclosed, or
(iii) any other disclosure authorized by the Depositor.

     Within 70 days of the Closing Date, the Trustee shall deliver to the NIMs
Insurer, the Depositor and the Servicer the Trustee's Certification,
substantially in the form of Exhibit D attached hereto, evidencing the
completeness of the Mortgage Files, with any exceptions noted thereto.

     SECTION 2.03. Representations, Warranties and Covenants of the Depositor

          (a) The Depositor hereby represents and warrants to the NIMs Insurer,
the Servicer and the Trustee as follows, as of the date hereof:

          (i) The Depositor is duly organized and is validly existing as a
     corporation in good standing under the laws of the State of Delaware and
     has full power and authority (corporate and other) necessary to own or hold
     its properties and to conduct its business as now conducted by it and to
     enter into and perform its obligations under this Agreement and the Sale
     Agreement.

          (ii) The Depositor 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 the Sale Agreement and has
     duly authorized, by all necessary corporate action on its part, the
     execution, delivery and performance of this Agreement and the Sale
     Agreement; and this Agreement and the Sale Agreement, assuming the due
     authorization, execution and delivery hereof by the other parties hereto,
     constitutes a legal, valid and binding obligation of the Depositor,
     enforceable against the Depositor in accordance with its terms, subject, as
     to enforceability, to (i) bankruptcy, insolvency, reorganization,
     moratorium and other similar laws affecting creditors' rights generally and
     (ii) general principles of equity, regardless of whether enforcement is
     sought in a proceeding in equity or at law.

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

          (iv) No litigation is pending, or, to the best of the Depositor's
     knowledge, threatened, against the Depositor that would materially and
     adversely affect the execution, delivery or


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<PAGE>

     enforceability of this Agreement and the Sale Agreement or the ability of
     the Depositor to perform its obligations under this Agreement and the Sale
     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 the execution, delivery and
     performance by the Depositor of, or compliance by the Depositor with, this
     Agreement and the Sale Agreement or the consummation of the transactions
     contemplated hereby, or if any such consent, approval, authorization or
     order is required, the Depositor has obtained the same. The Depositor
     hereby represents and warrants to the Trustee with respect to each Mortgage
     Loan as of the Closing Date, and following the transfer of the Mortgage
     Loans to it by the Sponsor, the Depositor had good title to the Mortgage
     Loans and the Mortgage Notes were subject to no offsets, claims, liens,
     mortgage, pledge, charge, security interest, defenses or counterclaims.

          (b) The representations and warranties of the Transferor with respect
to the related Mortgage Loans in the Transfer Agreement, which have been
assigned to the Trustee hereunder, were made as of the date specified in the
Transfer Agreement and brought forward to the Closing Date pursuant to the Bring
Down Letter. The representations and warranties of the Transferor with respect
to the Mortgage Loans contained in the Bring Down Letter were made as of the
Closing Date. The representations and warranties of the Sponsor with respect to
the Mortgage Loans contained in the Sale Agreement were made as of the Closing
Date. To the extent that any fact, condition or event with respect to a Mortgage
Loan constitutes a breach of a representation or warranty of the Sponsor under
the Sale Agreement, the obligations of the Sponsor under the Sale Agreement
shall be enforced against the Sponsor, as set forth in the Sale Agreement. The
Trustee acknowledges that the Depositor shall have no obligation or liability
with respect to any breach of any representation or warranty with respect to the
Mortgage Loans (except as set forth in Section 2.03(a)(v)) under any
circumstances.

     In addition to the representations and warranties of the Transferor in the
Transfer Agreement that were brought forward to the Closing Date pursuant to the
Bring Down Letter, with respect to each Mortgage Loan, the Transferor made
certain additional covenants regarding such Mortgage Loan, as set forth in the
Transfer Agreement. With respect to any breach of such additional covenants that
materially and adversely affects the interests of the Certificateholders in such
Mortgage Loan, the Sponsor shall repurchase such Mortgage Loan in accordance
with this Section 2.03.

          (c) Upon discovery by any of the NIMs Insurer, the Depositor, the
Servicer or the Trustee (or its custodian) of a breach of any of such
representations and warranties that adversely and materially affects the value
of the related Mortgage Loan, Prepayment Charges or the interests of the
Certificateholders, the party discovering such breach shall give prompt written
notice to the other parties. Within 90 days of the discovery of such breach of
any representation or warranty, the Sponsor shall either (a) cure such breach in
all material respects, (b) repurchase such Mortgage Loan or any property
acquired in respect thereof from the Trustee at the Purchase Price or (c) within
the two year period following the Closing Date, substitute a Replacement
Mortgage Loan for the affected Mortgage Loan. In the event of discovery of a
breach of any representation and warranty of the Sponsor, the Trustee's rights
shall be enforced under the Sale Agreement for the benefit of Certificateholders
and the NIMs Insurer. If a breach of the representations and warranties set
forth in the Transfer Agreement hereof exists solely due to the unenforceability
of a Prepayment Charge, the Trustee or the other party having notice thereof
shall notify the Servicer thereof and not seek to enforce the repurchase remedy
provided for herein unless such Mortgage Loan is not current. In the event of a
breach of the representations and warranties with respect


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<PAGE>

to the Mortgage Loans set forth in the Transfer Agreement, the Trustee shall
enforce the right of the Trust Fund to be indemnified for such breach of
representation and warranty. In the event that such breach relates solely to the
unenforceability of a Prepayment Charge, amounts received in respect of such
indemnity up to the amount of such Prepayment Charge shall be distributed
pursuant to Section 4.04(b)(i). As provided in the Sale Agreement, if the
Sponsor substitutes for a Mortgage Loan for which there is a breach of any
representations and warranties in the Transfer Agreement which adversely and
materially affects the value of such Mortgage Loan and such substitute mortgage
loan is not a Replacement Mortgage Loan, under the terms of the Sale Agreement,
the Sponsor will, in exchange for such substitute Mortgage Loan, (i) provide the
applicable Purchase Price for the affected Mortgage Loan or (ii) within two
years of the Closing Date, substitute such affected Mortgage Loan with a
Replacement Mortgage Loan. Any such substitution shall not be effected prior to
the additional delivery to the Trustee of a Request for Release substantially in
the form of Exhibit I and shall not be effected unless it is within two years of
the Startup Day. The Sponsor indemnifies and holds the Trust Fund, the Trustee
(or its custodian, as applicable), the Depositor, the Servicer, the NIMs Insurer
and each Certificateholder harmless against any and all taxes, claims, losses,
penalties, fines, forfeitures, reasonable legal fees and related costs,
judgments, and any other costs, fees and expenses that the Trust Fund, the
Trustee (or its custodian, as applicable), the Depositor, the Servicer, the NIMs
Insurer and any Certificateholder may sustain in connection with any actions of
the Sponsor relating to a repurchase of a Mortgage Loan other than in compliance
with the terms of this Section 2.03 and the Sale Agreement, to the extent that
any such action causes (i) any federal or state tax to be imposed on the Trust
Fund or any REMIC provided for herein, including without limitation, any federal
tax imposed on "prohibited transactions" under Section 860F(a)(1) of the Code or
on "contributions after the startup day" under Section 860G(d)(1) of the Code,
or (ii) any REMIC created hereunder to fail to qualify as a REMIC at any time
that any Certificate is outstanding. In furtherance of the foregoing, if the
Sponsor is not a member of MERS and repurchases a Mortgage Loan which is
registered on the MERS System, the Sponsor, at its own expense and without any
right of reimbursement, shall cause MERS to execute and deliver an assignment of
the Mortgage in recordable form to transfer the Mortgage from MERS to the
Sponsor and shall cause such Mortgage to be removed from registration on the
MERS System in accordance with MERS' rules and regulations.

     With respect to any Mortgage Loan repurchased by the Sponsor pursuant to
the Sale Agreement, the principal portion of the funds received by the Servicer
in respect of such repurchase of a Mortgage Loan will be considered a Principal
Prepayment and shall be deposited in the Certificate Account pursuant to Section
3.05. Upon receipt by the Trustee of notice from the Servicer of receipt by the
Servicer of the full amount of the Purchase Price for a Deleted Mortgage Loan,
and upon receipt by the Trustee of the Mortgage File for a Replacement Mortgage
Loan substituted for a Deleted Mortgage Loan and a Request for Release, the
Trustee shall release and reassign to the Sponsor the related Mortgage File for
the Deleted Mortgage Loan and shall execute and deliver such instruments of
transfer or assignment, in each case without recourse, representation or
warranty, as shall be necessary to vest in such party or its designee or
assignee title to any Deleted Mortgage Loan released pursuant hereto, free and
clear of all security interests, liens and other encumbrances created by this
Agreement, which instruments shall be prepared by the Depositor or the Sponsor,
and the Trustee (and its custodian) shall have no further responsibility with
respect to the Mortgage File relating to such Deleted Mortgage Loan.

     With respect to each Replacement Mortgage Loan to be delivered to the
Trustee pursuant to the terms of this Article II in exchange for a Deleted
Mortgage Loan: (i) the Sponsor must deliver to the Trustee the Mortgage File for
the Replacement Mortgage Loan containing the documents set forth in Section 2.01
along with a written certification certifying as to the Mortgage Loan satisfying
all requirements under the definition of Replacement Mortgage Loan and the
delivery of such Mortgage File


                                      -75-

<PAGE>

and containing the granting language set forth in Section 2.01; and (ii) the
Depositor will be deemed to have made, with respect to such Replacement Mortgage
Loan, each of the representations and warranties made by it with respect to the
related Deleted Mortgage Loan. The Trustee shall review the Mortgage File with
respect to each Replacement Mortgage Loan and certify to the Depositor that all
documents required by Section 2.01(A)-(B), (C) (if applicable), and (D)-(E) have
been executed and received.

     For any month in which the Sponsor substitutes one or more Replacement
Mortgage Loans for one or more Deleted Mortgage Loans, the Sponsor will
determine the amount (if any) by which the aggregate principal balance of all
such Replacement Mortgage Loans as of the date of substitution and the aggregate
Prepayment Charges with respect to such Replacement Mortgage Loans is less than
the aggregate Stated Principal Balance (after application of the principal
portion of the Scheduled Payment due in the month of substitution) and aggregate
Prepayment Charges of all such Deleted Mortgage Loans. An amount equal to the
aggregate of the deficiencies described in the preceding sentence (such amount,
the "Substitution Adjustment Amount") plus an amount equal to any unreimbursed
costs, penalties and/or damages incurred by the Trust Fund in connection with
any violation relating to such Deleted Mortgage Loan of any predatory or abusive
lending law shall be remitted by the Sponsor to the Trustee for deposit into the
Certificate Account by the Sponsor on the Determination Date for the
Distribution Date relating to the Prepayment Period during which the related
Mortgage Loan became required to be purchased or replaced hereunder.

     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 Replacement Mortgage Loan for a
Deleted Mortgage Loan shall be made unless the Trustee and the NIMs Insurer
shall each 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.

     The Depositor shall amend the Mortgage Loan Schedule to reflect the removal
of such Deleted Mortgage Loan from the terms of this Agreement and the
substitution of the Replacement Mortgage Loan or Replacement Mortgage Loans.
Upon such substitution by the Sponsor, such Replacement Mortgage Loan or
Replacement Mortgage Loans shall constitute part of the Mortgage Pool and shall
be subject in all respects to the terms of this Agreement and the applicable
Sale Agreement, including all applicable representations and warranties thereof
included in the applicable Sale Agreement as of the date of substitution.

          (d) It is understood and agreed that the representations, warranties
and indemnification (i) set forth in this Section 2.03, (ii) of the Sponsor and
the Depositor set forth in the Sale Agreement and assigned to the Trustee by the
Depositor hereunder and (iii) of each Transferor, assigned by the Sponsor to the
Depositor pursuant to the Sale Agreement and assigned to the Trustee by the
Depositor hereunder shall each survive delivery of the Mortgage Files and the
Assignment of Mortgage of each Mortgage Loan to the Trustee and shall continue
throughout the term of this Agreement.

          (e) The Depositor shall deliver a copy of the Mortgage Loan Schedule
to the Servicer on the Closing Date.


                                      -76-

<PAGE>

          (f) The Depositor shall notify the Servicer and the Trustee when any
NIM Notes are issued and when such NIM Notes are no longer outstanding.

     SECTION 2.04. Representations and Warranties of the Servicer

          (a) The Servicer hereby represents and warrants to the Depositor and
the Trustee as follows, as of the date hereof:

          (i) The Servicer is duly organized and is validly existing as a
     corporation in good standing under the laws of the State of Nevada and is
     duly authorized and qualified to transact any and all business contemplated
      by this Agreement to be conducted by the Servicer in any state in which a
     Mortgaged Property is located or is otherwise not required under applicable
     law to effect such qualification and, in any event, is in compliance with
     the doing business laws of any such state, to the extent necessary to
     ensure its ability to enforce each Mortgage Loan, 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.

          (ii) The Servicer has the corporate power and authority and to service
     each Mortgage Loan, and 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 the part of the Servicer
     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 a legal, valid and binding obligation
     of the Servicer, enforceable against the Servicer 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 the Servicer,
     the servicing of the Mortgage Loans under this Agreement, the consummation
     of any other of the transactions contemplated by this Agreement, and the
     fulfillment of or compliance with the terms hereof are in the ordinary
     course of business of the Servicer and will not (A) result in a material
     breach of any term or provision of the charter or by-laws of the Servicer
     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 the Servicer is a party or
     by which it may be bound, or (C) constitute a material violation of any
     statute, order or regulation applicable to the Servicer of any court,
     regulatory body, administrative agency or governmental body having
     jurisdiction over the Servicer; and the Servicer 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 the
     Servicer's ability to perform or meet any of its obligations under this
     Agreement.

          (iv) The Servicer is an approved servicer of mortgage loans for Fannie
     Mae and is an approved servicer of mortgage loans for Freddie Mac.


                                      -77-

<PAGE>

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

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

          (vii) The Servicer has fully furnished and will fully furnish (for the
     period it serviced the Mortgage Loans), in accordance with the Fair Credit
     Reporting Act and its implementing regulations, accurate and complete
     information (e.g., favorable and unfavorable) on its borrower credit files
     to Equifax, Experian and Trans Union Credit Information Company on a
     monthly basis.

     SECTION 2.05. Substitutions and Repurchases of Mortgage Loans that are not
"Qualified Mortgages"

     Upon discovery by the Depositor, the Servicer or the Trustee that any
Mortgage Loan does not constitute a "qualified mortgage" within the meaning of
section 860G(a)(3) of the Code, the party discovering such fact shall promptly
(and in any event within five Business Days of discovery) give written notice
thereof to the other parties. In connection therewith, the Depositor shall, at
the Depositor's option, either (i) substitute, if the conditions in Section
2.03(c) with respect to substitutions are satisfied, a Replacement Mortgage Loan
for the affected Mortgage Loan, or (ii) repurchase the affected Mortgage Loan
within 90 days of such discovery in the same manner as it would a Mortgage Loan
for a breach of representation or warranty contained in Section 2.03. The
Trustee, upon the written direction of the Depositor, shall reconvey to the
Depositor the Mortgage Loan to be released pursuant hereto in the same manner,
and on the same terms and conditions, as it would a Mortgage Loan repurchased
for breach of a representation or warranty contained in Section 2.03.

     SECTION 2.06. Authentication and Delivery of Certificates

     The Trustee acknowledges the transfer and assignment to it of the Trust
Fund and, concurrently with such transfer and assignment, the Trustee has caused
to be authenticated and delivered to or upon the order of the Depositor, in
exchange for the Mortgage Loans, Certificates duly authenticated by the
Authenticating Agent in authorized denominations evidencing ownership of the
entire Trust Fund. The Trustee agrees to hold the Trust Fund and exercise the
rights referred to above for the benefit of all present and future Holders of
the Certificates and to perform its duties set forth in this Agreement in
accordance with the provisions hereof.

     SECTION 2.07. REMIC Elections

          (a) The Depositor hereby instructs and authorizes the Trustee to make
an appropriate election to treat each of the Upper Tier REMIC, the Lower Tier
REMIC and the SWAP REMIC as a REMIC. The Trustee shall sign the returns
providing for such elections and such other tax or information returns that are
required to be signed by the Trustee under applicable law. This Agreement shall
be


                                      -78-

<PAGE>

construed so as to carry out the intention of the parties that each of the Upper
Tier REMIC, the Lower Tier REMIC and the SWAP REMIC be treated as a REMIC at all
times prior to the date on which the Trust Fund is terminated.

          (b) The Preliminary Statement sets forth the designations and "latest
possible maturity date" for federal income tax purposes of all interests created
hereby. The "Startup Day" for purposes of the REMIC Provisions shall be the
Closing Date. Each REMIC's fiscal year shall be the calendar year.

     The SWAP REMIC shall consist of all of the assets of the Trust Fund, other
than (i) amounts distributable to the Class P Certificates pursuant to Section
4.04(b)(i) hereof, (ii) the interests issued by the SWAP REMIC and the interests
issued by the Lower Tier REMIC, (iii) the grantor trusts described in Section
2.07 hereof, (iv) each Cap Contract and the Cap Contract Account and (v) the
Swap Agreement and the Supplemental Interest Trust. The SWAP REMIC shall issue
the SWAP REMIC Regular Interests, which shall be designated as regular interests
of such REMIC, and shall issue the Class SWR Interest, which shall be designated
as the sole class of residual interest in the SWAP REMIC. Each of the SWAP REMIC
Regular Interests shall have the characteristics set forth in the Preliminary
Statement and this Section 2.07.

     The Lower Tier REMIC shall consist of the SWAP REMIC Regular Interests. The
Lower Tier REMIC shall issue the Lower Tier REMIC Regular Interests, which shall
be designated as regular interests of such REMIC and shall issue the Class LTR
Interest, which shall be designated as the sole class of residual interest in
the Lower Tier REMIC. Each of the Lower Tier REMIC Regular Interests shall have
the characteristics set forth in its definition and the Preliminary Statement.

      The assets of the Upper Tier REMIC shall be the Lower Tier REMIC Regular
Interests. The REMIC Regular Interests shall be designated as the regular
interests in the Upper Tier REMIC and the Residual Interest shall be designated
as the sole class of residual interest in the Upper Tier REMIC. For federal
income tax purposes, the pass-through rate on each REMIC Regular Interest (other
than the Uncertificated Class C Interest and the Class UT-IO Interest) and on
the sole class of residual interest in the Upper Tier REMIC shall be subject to
a cap equal to the Upper Tier REMIC Net WAC Cap.

     The beneficial ownership of the Class SWR Interest, Class LTR Interest and
the Residual Interest shall be represented by the Class R Certificate. The Class
SWR Interest and Class LTR Interest shall not have a principal balance or bear
interest.

          (c) The "tax matters person" with respect to each REMIC for purposes
of the REMIC Provisions shall be the beneficial owner of the Class R
Certificate; provided, however, that the Holder of the Class R Certificate, by
its acceptance thereof, irrevocably appoints the Trustee as its agent and
attorney-in-fact to act as "tax matters person" with respect to each such REMIC
for purposes of the REMIC Provisions. If there is more than one beneficial owner
of the Class R Certificate, the "tax matters person" shall be the Person with
the greatest percentage interest in the Class R Certificate and, if there is
more than one such Person, shall be determined under Treasury regulation Section
1.860F-4(d) and Treasury regulation Section 301.6231(a)(7)-1.

          (d) (i) It is intended that the rights of each Class of the Class A,
Class M and Class B Certificates to receive payments in respect of Excess
Interest shall be treated as a right in interest rate cap contracts written by
the Class C Certificateholders in favor of the holders of each Class of the
Class A,


                                      -79-

<PAGE>

Class M and Class B Certificates and such shall be accounted for as property
held separate and apart from the regular interests in the Upper Tier REMIC held
by the holders of the Class A Certificates (other than the Class R Certificate),
Class M Certificates, Class B Certificates and the residual interest in the
Upper Tier REMIC held by the holder of the Class R Certificate. For information
reporting requirements, the rights of the Class A, Class M and Class B
Certificates to receive payments in respect of Excess Interest shall be assumed
to have zero or a de minimis value. This provision is intended to satisfy the
requirements of Treasury Regulations Section 1.860G-2(i) for the treatment of
property rights coupled with REMIC interests to be separately respected and
shall be interpreted consistently with such regulation. On each Distribution
Date, to the extent that any of the Class A, Class M and Class B Certificates
receive payments in respect of Excess Interest, such amounts, to the extent not
derived from payments on the Cap Contracts or the Swap Agreement, will be
treated as distributed by the Upper Tier REMIC to the Class C Certificates pro
rata in payment of the amounts specified in Section 4.04(g) and then paid to the
relevant Class of Certificates pursuant to the related interest rate cap
agreement.

          (ii) It is intended that the beneficial owners of the Certificates
(other than the Class P and Class C Certificates) shall be treated as having
entered into a notional principal contract with respect to the beneficial owners
of the Class C Certificates. Pursuant to each such notional principal contract,
all beneficial owners of each Class of Certificates (other than the Class P and
Class C Certificates) shall be treated as having agreed to pay, on each
Distribution Date, to the beneficial owners of the Class C Certificates an
aggregate amount equal to the excess, if any, of (i) the amount payable on such
Distribution Date on the Corresponding REMIC Regular Interest of such Class of
Certificates over (ii) the amount payable on such Class of Certificates on such
Distribution Date (such excess, a "Class Payment Shortfall"). A Class Payment
Shortfall shall be allocated to each Class of Certificates to the extent that
interest accrued on such Class for the related Accrual Period at the
Pass-Through Rate for a Class, computed by substituting "Upper Tier REMIC Net
WAC Cap" for the Available Funds Cap set forth in the definition thereof,
exceeds the amount of interest accrued on such Certificate at the Pass-Through
Rate (without such substitution) for the related Accrual Period, and a Class
Payment Shortfall payable from principal collections shall be allocated to the
most subordinate Class of Certificates with an outstanding principal balance to
the extent of such balance.

          (e) The parties intend that the portion of the Trust Fund consisting
of the Uncertificated Class C Interest, the uncertificated Class UT-IO Interest,
the rights to receive payments deemed made by the Class A, Class M and Class B
Certificates in respect of notional principal contracts described in Section
2.07(d)(ii), the Supplemental Interest Trust which holds the Swap Agreement, the
Cap Contracts, the Cap Contract Account and the obligation of the holders of the
Class C Certificates to pay amounts in respect of Excess Interest to the holders
of the Class A, Class M and Class B Certificates shall be treated as a "grantor
trust" under the Code, for the benefit of the holders of the Class C
Certificates, and the provisions hereof shall be interpreted consistently with
this intention. In furtherance of such intention, the Trustee shall (i) furnish
or cause to be furnished to the holders of the Class C Certificates information
regarding their allocable share, if any, of the income with respect to such
grantor trust, (ii) file or cause to be filed with the Internal Revenue Service
Form 1041 (together with any necessary attachments) and such other forms as may
be applicable and (iii) comply with such information reporting obligations with
respect to payments from such grantor trust to the holders of Class A, Class M,
Class B and Class C Certificates as may be applicable under the Code.

          (f) The parties intend that the portion of the Trust Fund consisting
of the right to receive amounts distributable to the Class P Certificates
pursuant to Section 4.04(b)(i) hereof shall be treated as a "grantor trust"
under the Code, for the benefit of the holders