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POOLING AND SERVICING AGREEMENT

Pooling and Servicing Agreement

POOLING AND SERVICING AGREEMENT | Document Parties: FIRST FRANKLIN MORTGAGE LOAN TRUST SERIES 2005-FF12 | MERRILL LYNCH MORTGAGE INVESTORS, INC. | LASALLE BANK NATIONAL ASSOCIATION | NATIONAL CITY HOME LOAN SERVICES, INC., | WILSHIRE CREDIT CORPORATION, | CITIBANK, N.A., You are currently viewing:
This Pooling and Servicing Agreement involves

FIRST FRANKLIN MORTGAGE LOAN TRUST SERIES 2005-FF12 | MERRILL LYNCH MORTGAGE INVESTORS, INC. | LASALLE BANK NATIONAL ASSOCIATION | NATIONAL CITY HOME LOAN SERVICES, INC., | WILSHIRE CREDIT CORPORATION, | CITIBANK, N.A.,

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Title: POOLING AND SERVICING AGREEMENT
Governing Law: Delaware     Date: 1/12/2006

POOLING AND SERVICING AGREEMENT, Parties: first franklin mortgage loan trust series 2005-ff12 , merrill lynch mortgage investors  inc. , lasalle bank national association , national city home loan services  inc.  , wilshire credit corporation  , citibank  n.a.
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                                                                     Exhibit 4.1

                     MERRILL LYNCH MORTGAGE INVESTORS, INC.
                                    Depositor

                        LASALLE BANK NATIONAL ASSOCIATION
                  Master Servicer and Securities Administrator

                     NATIONAL CITY HOME LOAN SERVICES, INC.,
                                    Servicer

                          WILSHIRE CREDIT CORPORATION,
                                Special Servicer

                                       and

                                 CITIBANK, N.A.,
                                     Trustee

                                   ----------

                         POOLING AND SERVICING AGREEMENT
                          Dated as of December 1, 2005

                                   ----------

                       FIRST FRANKLIN MORTGAGE LOAN TRUST,
            MORTGAGE LOAN ASSET-BACKED CERTIFICATES, SERIES 2005-FF12

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                                 TABLE OF CONTENTS

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ARTICLE I      DEFINITIONS.......................................................      1

ARTICLE II     CONVEYANCE OF MORTGAGE LOANS; REPRESENTATIONS AND WARRANTIES......     53
              SECTION 2.01.    Conveyance of Mortgage Loans......................     53
              SECTION 2.02.    Acceptance by the Trustee of the Mortgage Loans...     56
              SECTION 2.03.    Representations, Warranties and Covenants of the
                               Depositor.........................................     58
              SECTION 2.04.    Representations and Warranties of the Master
                              Servicer;
                              Representations and Warranties of the Servicer;
                              Representations and Warranties of the Securities
                              Administrator.....................................     62
              SECTION 2.05.    Substitutions and Repurchases of Mortgage Loans
                               that are not "Qualified Mortgages."...............     65
              SECTION 2.06.    Authentication and Delivery of Certificates.......     65
              SECTION 2.07.    REMIC Elections...................................     65
               SECTION 2.08.    [RESERVED]........................................     69
              SECTION 2.09.    Covenants of the Servicer.........................     69
              SECTION 2.10.    [RESERVED]........................................     70
              SECTION 2.11.    Permitted Activities of the Trust.................     70
              SECTION 2.12.    Qualifying Special Purpose Entity.................     70

ARTICLE III    ADMINISTRATION AND SERVICING OF MORTGAGE LOANS....................     70
              SECTION 3.01.    Servicer to Service Mortgage Loans................     70
              SECTION 3.02.    Servicing and Subservicing; Enforcement of the
                              Obligations of Servicer...........................     72
              SECTION 3.03.    Rights of the Depositor, the Securities
                              Administrator and the Trustee in Respect of the
                              Servicer..........................................     73
              SECTION 3.04.    Master Servicer to Act as Servicer................     73
              SECTION 3.05.    Collection of Mortgage Loan Payments; Collection
                              Account; Certificate Account......................     74
              SECTION 3.06.    Collection of Taxes, Assessments and Similar
                              Items; Escrow Accounts............................     77
              SECTION 3.07.    Access to Certain Documentation and Information
                              Regarding the Mortgage Loans......................     78
              SECTION 3.08.    Permitted Withdrawals from the Collection Account
                              and Certificate Account...........................     78
              SECTION 3.09.    [RESERVED]........................................     80
              SECTION 3.10.    Maintenance of Hazard Insurance...................     80
              SECTION 3.11.    Enforcement of Due-On-Sale Clauses; Assumption
                              Agreements........................................     81
              SECTION 3.12.    Realization Upon Defaulted Mortgage Loans;
                              Determination of Excess Proceeds..................     82
              SECTION 3.13.    Trustee to Cooperate; Release of Mortgage Files...     86
              SECTION 3.14.    Documents, Records and Funds in Possession of
                              Servicer to be Held for the Trustee...............     87
              SECTION 3.15.    Servicing Compensation............................     87
              SECTION 3.16.    Access to Certain Documentation...................     88
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              SECTION 3.17.    Annual Statement as to Compliance.................     88
              SECTION 3.18.    Annual Independent Public Accountants' Servicing
                              Statement; Financial Statements...................     88
              SECTION 3.19.    Rights of the NIMs Insurer........................     89
              SECTION 3.20.    [RESERVED]........................................     89
              SECTION 3.21.    Annual Certificate by Securities Administrator....     89
              SECTION 3.22.    Annual Certificate by Servicer....................     89
              SECTION 3.23.    Prepayment Charge Reporting Requirements..........     90
              SECTION 3.24.    Statements to Securities Administrator............     90
              SECTION 3.25.    Indemnification...................................     90
              SECTION 3.26.    Nonsolicitation...................................     92
              SECTION 3.27.    Transfer of Servicing to the Special Servicer.....     92
              SECTION 3.28.    Special Servicer's Annual Statement as to
                              Compliance........................................     92
              SECTION 3.29.    Special Servicer's Annual Independent Public
                              Accountants' Servicing Statement; Financial
                              Statements........................................     93
              SECTION 3.30.    Annual Certificate by Special Servicer............     93
               SECTION 3.31.    High Cost Mortgage Loans..........................     93

ARTICLE IV     DISTRIBUTIONS.....................................................     92
              SECTION 4.01.    Advances..........................................     92
              SECTION 4.02.    Reduction of Servicing Compensation in Connection
                              with Prepayment Interest Shortfalls...............     93
              SECTION 4.03.    Distributions on the REMIC Interests..............     94
              SECTION 4.04.    Distributions.....................................     94
              SECTION 4.05.    Monthly Statements to Certificateholders..........    100

ARTICLE V      THE CERTIFICATES..................................................    104
              SECTION 5.01.    The Certificates..................................    104
              SECTION 5.02.    Certificate Register; Registration of Transfer and
                              Exchange of Certificates..........................     105
              SECTION 5.03.    Mutilated, Destroyed, Lost or Stolen
                              Certificates......................................    113
              SECTION 5.04.    Persons Deemed Owners.............................    113
               SECTION 5.05.    Access to List of Certificateholders' Names and
                              Addresses.........................................    113
              SECTION 5.06.    Book-Entry Certificates...........................    113
              SECTION 5.07.    Notices to Depository.............................    114
              SECTION 5.08.    Definitive Certificates...........................    114
              SECTION 5.09.    Maintenance of Office or Agency...................    115

ARTICLE VI     THE DEPOSITOR, THE MASTER SERVICER, THE SERVICER AND THE
              SECURITIES ADMINISTRATOR..........................................    115
              SECTION 6.01.    Respective Liabilities of the Depositor, the
                              Master Servicer, the Servicer and the Securities
                              Administrator.....................................    115
              SECTION 6.02.    Merger or Consolidation of the Depositor, the
                              Master Servicer, the Servicer or the Securities
                              Administrator.....................................    116
              SECTION 6.03.    Limitation on Liability of the Depositor, the
                              Securities Administrator, the Master Servicer, the
                              Servicer and Others...............................    116
              SECTION 6.04.    Limitation on Resignation of Servicer.............    117
              SECTION 6.05.    Errors and Omissions Insurance; Fidelity Bonds....    118
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              SECTION 6.06.    Limitation on Resignation of the Master Servicer..    118
              SECTION 6.07.    Assignment of Master Servicing....................    118

ARTICLE VII    DEFAULT; TERMINATION OF SERVICER..................................    119
              SECTION 7.01.    Events of Default.................................    119
              SECTION 7.02.    Servicer Trigger Event............................    120
              SECTION 7.03.    Master Servicer to Act; Appointment of Successor..    121
              SECTION 7.04.    Notification to Certificateholders................    123

ARTICLE VIII   CONCERNING THE TRUSTEE AND THE SECURITIES ADMINISTRATOR...........    123
              SECTION 8.01.    Duties of the Trustee and the Securities
                              Administrator.....................................    123
              SECTION 8.02.    Certain Matters Affecting the Trustee and the
                              Securities Administrator..........................    124
              SECTION 8.03.    Trustee and Securities Administrator Not Liable
                              for Certificates or Mortgage Loans................    126
              SECTION 8.04.    Trustee and Securities Administrator May Own
                              Certificates......................................    126
               SECTION 8.05.    Trustee's and Securities Administrator's Fees and
                              Expenses..........................................    126
              SECTION 8.06.    Indemnification and Expenses of Trustee...........    126
               SECTION 8.07.    Eligibility Requirements for Trustee..............    127
              SECTION 8.08.    Resignation and Removal of Trustee................    128
              SECTION 8.09.    Successor Trustee.................................    128
               SECTION 8.10.    Merger or Consolidation of Trustee................    129
              SECTION 8.11.    Appointment of Co-Trustee or Separate Trustee.....    129
              SECTION 8.12.    Tax Matters.......................................    130

ARTICLE IX     TERMINATION.......................................................    132
              SECTION 9.01.    Termination upon Liquidation or Auction of all
                              Mortgage Loans....................................    132
               SECTION 9.02.    Final Distribution on the Certificates............    133
              SECTION 9.03.    Additional Termination Requirements...............    134

ARTICLE X      MISCELLANEOUS PROVISIONS..........................................    135
              SECTION 10.01.   Amendment.........................................    135
              SECTION 10.02.   Counterparts......................................    136
              SECTION 10.03.   Governing Law.....................................    136
              SECTION 10.04.   Intention of Parties..............................    137
              SECTION 10.05.   Notices...........................................    137
              SECTION 10.06.   Severability of Provisions........................    138
              SECTION 10.07.   Assignment........................................    138
              SECTION 10.08.   Limitation on Rights of Certificateholders........    138
              SECTION 10.09.   Inspection and Audit Rights.......................    139
              SECTION 10.10.   Certificates Nonassessable and Fully Paid.........    139
              SECTION 10.11.   Third Party Rights................................    139
              SECTION 10.12.   Additional Rights of the NIMs Insurer.............    139
              SECTION 10.13.   Assignment; Sales; Advance Facilities.............    140

ARTICLE XI     ADMINISTRATION AND MASTER SERVICING OF THE MORTGAGE LOANS.........    142
              SECTION 11.01.   Master Servicer...................................    142
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              SECTION 11.02.   Monitoring of Servicer............................    143
              SECTION 11.03.   Fidelity Bond.....................................    144
              SECTION 11.04.   Power to Act; Procedures..........................    144
              SECTION 11.05.   Documents, Records and Funds in Possession of
                              Master Servicer to Be Held for Trustee............    145
              SECTION 11.06.   Trustee to Retain Possession of Certain Insurance
                              Policies and Documents............................    145
              SECTION 11.07.   Compensation for the Master Servicer and the
                              Securities Administrator..........................    146
              SECTION 11.08.   Annual Statement as to Compliance.................    146
              SECTION 11.09.   Periodic Filings..................................    146
              SECTION 11.10.   Obligation of the Master Servicer in Respect of
                              Prepayment Interest Shortfalls....................    147
</TABLE>


                                       iv

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EXHIBIT A      FORMS OF CERTIFICATES
EXHIBIT B-1    MORTGAGE LOAN SCHEDULE - MORTGAGE POOL
EXHIBIT B-2    MORTGAGE LOAN SCHEDULE - GROUP ONE MORTGAGE LOANS
EXHIBIT B-3    MORTGAGE LOAN SCHEDULE - GROUP TWO MORTGAGE LOANS
EXHIBIT C      [RESERVED]
EXHIBIT D      FORM OF INITIAL 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 OFFICER'S CERTIFICATE OF SECURITIES ADMINISTRATOR
EXHIBIT L-1    FORM OF OFFICER'S CERTIFICATE OF SERVICER
EXHIBIT L-2    FORM OF OFFICER'S CERTIFICATE OF SPECIAL SERVICER
EXHIBIT M-1    FORM OF DELINQUENCY REPORT
EXHIBIT M-2    FORM OF MONTHLY REMITTANCE ADVICE
EXHIBIT M-3    FORM OF REALIZED LOSS REPORT
EXHIBIT N-1    FORM OF CLASS A-1 CAP CONTRACT
EXHIBIT N-2    FORM OF CLASS A-2 CAP CONTRACT
EXHIBIT N-3    FORM OF SUBORDINATED CERTIFICATE CAP CONTRACT
EXHIBIT O-1    ONE-MONTH LIBOR CAP TABLE - CLASS A-1 CAP CONTRACT
EXHIBIT O-2    ONE MONTH LIBOR CAP TABLE - CLASS A-2 CAP CONTRACT
EXHIBIT O-3    ONE MONTH LIBOR CAP TABLE - SUBORDINATED CERTIFICATE CAP CONTRACT


                                        v

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     POOLING AND SERVICING AGREEMENT (the "Agreement"), dated as of December 1,
2005, among MERRILL LYNCH MORTGAGE INVESTORS, INC., a Delaware corporation, as
depositor (the "Depositor"), LASALLE BANK NATIONAL ASSOCIATION, a national
banking association, as master servicer (the "Master Servicer") and securities
administrator (the "Securities Administrator"), NATIONAL CITY HOME LOAN
SERVICES, INC., a Delaware corporation, as servicer (the "Servicer"), WILSHIRE
CREDIT CORPORATION, a Nevada corporation, as special servicer (the "Special
Servicer") and CITIBANK, N.A., 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) two real estate mortgage investment conduits in a
tiered structure, (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 and (iv) the grantor trusts described in Section
2.07 hereof. The Lower Tier REMIC will consist of all of the assets constituting
the Trust Fund (other than the assets described in clauses (ii), (iii) and (iv)
above and the Lower Tier 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 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 Seller 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.

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

                                    ARTICLE I

                                   DEFINITIONS

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

     Accepted Master Servicing Practices: With respect to any Mortgage Loan, as
applicable, either (x) those customary mortgage master servicing practices of
prudent master servicing institutions that master service mortgage loans of the
same type and quality as such Mortgage Loan in the jurisdiction where the
related Mortgaged Property is located, to the extent applicable to the Master
Servicer (except in its capacity as successor to the Servicer), or (y) as
provided in Section 11.01 hereof, but in no event below the standard set forth
in clause (x) of this definition.

     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 Mortgages Loans in the jurisdictions in which the related
Mortgaged Properties (or Underlying Mortgaged Properties in the case of Co-op
Loans) are located.

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     Accrual Period: With respect to each Class of Certificates 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. All calculations of interest on each Class of
Certificates 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.

     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
or the Special Servicer, as applicable, 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 amount of all payments of principal and interest (net of the
Servicing Fee) on the Mortgage Loans that were due during the applicable Due
Period and not received as of the close of business on the related Determination
Date (other than the principal portion of any Balloon Amount), 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 has been converted to an REO Property, the obligation to make advances
shall be limited to payments of interest.

     Advance Facility: A financing or other facility as described in Section
10.13.

     Advance Facility Notice: As defined in Section 10.13(b).

     Advance Financing Person: As defined in Section 10.13(a).

     Advance Reimbursement Amount: As defined in Section 10.13(b).

     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 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 and the Class B-3 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


                                       -2-

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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 (or the related residential
dwelling unit in the Underlying Mortgaged Property in the case of a Co-op Loan),
the "Appraised Value" of a Mortgaged Property (or the related residential
dwelling unit in the Underlying Mortgaged Property in the case of a Co-op Loan)
is the lesser of (1) the appraised value based on an appraisal made for the
Seller 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 (or
the related residential dwelling unit in the Underlying Mortgaged Property in
the case of a Co-op Loan) 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 (or
the related residential dwelling unit in the Underlying Mortgaged Property in
the case of a Co-op Loan) based upon the appraisal obtained at the time of
refinancing.

     Assignment of Mortgage: An assignment of the Mortgage, notice of transfer
(or UCC-3 assignment (or equivalent instrument) with respect to each Co-op Loan)
or equivalent instrument, in recordable form (except in the case of a Co-op
Loan) (except for the name of the assignee if such Mortgage Loan is endorsed in
blank), sufficient under the laws of the jurisdiction where the related
Mortgaged Property (or Underlying Mortgaged Property, in the case of a Co-op
Loan) 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.

     Available Funds Cap: Any of the Class A-1 Available Funds Cap, the Class
A-2 Available Funds Cap or the Subordinated Certificate Available Funds Cap.

     Balloon Loan: A Mortgage Loan having an original term to stated maturity of
approximately 10 years which provides for level monthly payments of principal
and interest based on a 30-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 (other than the Class R Certificate), Class M and Class B
Certificates constitutes a Class of Book-Entry Certificates.

     Business Day: Any day other than (1) a Saturday or a Sunday, or (2) a day
on which banking institutions in the State of California, State of Illinois,
State of Oregon and 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 Subordinated Certificate Cap Contract.

     Cap Contract Account: The separate Eligible Account created and maintained
by the Securities Administrator 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 securities administrator for Citibank, N.A., as
trustee, in trust for registered holders of First Franklin Mortgage Loan Trust,
Mortgage Loan Asset-


                                       -3-

<PAGE>

Backed Certificates, Series 2005-FF12." 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: The Royal Bank of Scotland plc.

     Cap Contract Notional Balance: Any of the Class A-1 Cap Contract Notional
Balance, the Class A-2 Cap Contract Notional Balance or the Subordinated
Certificate 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
Subordinated Certificate Cap Contract Termination Date.

     Certificate: Any one of the certificates of any Class executed by the
Securities Administrator and authenticated by the Securities Administrator in
substantially the forms attached hereto as Exhibit A.

     Certificate Account: The separate Eligible Account or Accounts created and
maintained by the Securities Administrator 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 securities administrator for Citibank,
N.A., as trustee, in trust for registered holders of First Franklin Mortgage
Loan Trust, Mortgage Loan Asset-Backed Certificates, Series 2005-FF12." 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-2A, Class A-2B and Class A-2C
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) will be added to the aggregate Certificate
Principal Balance of the Class C Certificates (on a pro rata basis).
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.


                                       -4-

<PAGE>

     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
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 Securities Administrator and the Trustee are 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 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) 55.90% 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 in effect on the related Due Date divided by (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 Trust
Fund or the Securities Administrator and the Cap Contract Counterparty (in the
form of Exhibit N-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 O-1.

     Class A-1 Cap Contract Termination Date: The Distribution Date in October
2008.


                                       -5-

<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, 0.240% per annum and, as of any Distribution
Date after the Initial Optional Termination Date, 0.480% per annum.

     Class A-1 Maximum Rate Cap: With respect to a Distribution Date, the per
annum rate, adjusted to reflect the length of the related Accrual Period, equal
to the weighted average of the maximum lifetime Net Mortgage Rates on the
Adjustable Rate Mortgage Loans in Group One and the Net Mortgage Rates on the
Fixed Rate Mortgage Loans in Group One. The Class A-1 Maximum Rate Cap shall
relate to the Class A-1 and Class R Certificates.

     Class A-1 Pass-Through Rate: For the first Distribution Date, 4.6203% per
annum. As of any Distribution Date thereafter, the lesser of (1) One-Month LIBOR
plus the Class A-1 Margin and (2) the Class A-1 Available Funds 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 9.260% 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 Mortgage Loans in Group Two based on the Net Mortgage
Rates in effect on the related Due Date divided by (y) the aggregate Stated
Principal Balance of the Mortgage Loans in Group Two 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-2 Cap Contract: The confirmation and agreement between the Trust
Fund or the Securities Administrator and the Cap Contract Counterparty (in the
form of Exhibit N-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 O-2.


                                       -6-

<PAGE>

     Class A-2 Cap Contract Termination Date: The Distribution Date in October
2008.

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

     Class A-2 Maximum Rate Cap: With respect to a Distribution Date, the per
annum rate, adjusted to reflect the length of the related Accrual Period, equal
to the weighted average of the maximum lifetime Net Mortgage Rates on the
Adjustable Rate Mortgage Loans in Group Two and the Net Mortgage Rates on the
Fixed Rate Mortgage Loans in Group Two. The Class A-2 Maximum Rate Cap shall
relate to the Class A-2 Certificates.

     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 9.920% 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 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, 0.090% per annum and, as of any Distribution
Date after the Initial Optional Termination Date, 0.180% per annum.

     Class A-2A Pass-Through Rate: For the first Distribution Date, 4.4703% per
annum. As of any Distribution Date thereafter, the lesser of (1) One-Month LIBOR
plus the Class A-2A Margin and (2) the Class A-2 Available Funds 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


                                       -7-

<PAGE>

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, 0.260% per annum and, as of any Distribution
Date after the Initial Optional Termination Date, 0.520% per annum.

     Class A-2B Pass-Through Rate: For the first Distribution Date, 4.6403% per
annum. As of any Distribution Date thereafter, the lesser of (1) One-Month LIBOR
plus the Class A-2B Margin and (2) the Class A-2 Available Funds Cap for such
Distribution Date.

     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, 0.330% per annum and, as of any Distribution
Date after the Initial Optional Termination Date, 0.660% per annum.

     Class A-2C Pass-Through Rate: For the first Distribution Date, 4.7103% per
annum. As of any Distribution Date thereafter, the lesser of (1) One-Month LIBOR
plus the Class A-2C Margin and (2) the Class A-2 Available Funds Cap for such
Distribution Date.

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


                                       -8-

<PAGE>

     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 a "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 a 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, 1.650% per annum and, as of any Distribution
Date after the Initial Optional Termination Date, 2.475% per annum.

     Class B-1 Pass-Through Rate: For the first Distribution Date, 6.0303% per
annum. As of any Distribution Date thereafter, the lesser of (1) One-Month LIBOR
plus the Class B-1 Margin and (2) the Subordinated Certificate Available Funds
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 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) 86.60% 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


                                       -9-

<PAGE>

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 a 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. For
purposes of calculating interest, principal distributions on a Distribution Date
will be deemed to have been made on the first day of the Accrual Period in which
such Distribution Date occurs.

     Class B-2 Interest Carry Forward Amount: As of any Distribution Date, the
sum of (1) the excess of (A) the Class B-2 Current Interest with respect to
prior Distribution Dates over (B) the amount actually distributed to the Class
B-2 Certificates with respect to interest on such prior Distribution Dates and
(2) interest on such excess (to the extent permitted by applicable law) at the
Class B-2 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, 1.750% per annum and, as of any Distribution
Date after the Initial Optional Termination Date, 2.625% per annum.

     Class B-2 Pass-Through Rate: For the first Distribution Date, 6.1303% per
annum. As of any Distribution Date thereafter, the lesser of (1) One-Month LIBOR
plus the Class B-2 Margin and (2) the Subordinated Certificate Available Funds
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


                                      -10-

<PAGE>

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) 88.80% 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 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 a 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. For
purposes of calculating interest, principal distributions on a Distribution Date
will be deemed to have been made on the first day of the Accrual Period in which
such Distribution Date occurs.

     Class B-3 Interest Carry Forward Amount: As of any Distribution Date, the
sum of (1) the excess of (A) the Class B-3 Current Interest with respect to
prior Distribution Dates over (B) the amount actually


                                      -11-

<PAGE>

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, 1.750% per annum and, as of any Distribution
Date after the Initial Optional Termination Date, 2.625% per annum.

     Class B-3 Pass-Through Rate: For the first Distribution Date, 6.1303% per
annum. As of any Distribution Date thereafter, the lesser of (1) One-Month LIBOR
plus the Class B-3 Margin and (2) the Subordinated Certificate Available Funds
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-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) 90.80% 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, 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".


                                      -12-

<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
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 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 on such prior
Distribution Dates in accordance with the definition of "Certificate Principal
Balance".

     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."

     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.

     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.


                                      -13-

<PAGE>

     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 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 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% the aggregate Cut-off
Date Principal Balance of the Group One Mortgage Loans, and with an interest
rate equal to the Class A-1 Available Funds Cap.

     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 Class A-2 Available Funds Cap.

     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.


                                      -14-

<PAGE>

     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 or 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.

     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.


                                       -15-

<PAGE>

     Class M-1 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-1 Pass-Through Rate: For the first Distribution Date, 4.8303% per
annum. As of any Distribution Date thereafter, the lesser of (1) One-Month LIBOR
plus the Class M-1 Margin and (2) the Subordinated Certificate Available Funds
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) 63.20% 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.

     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


                                      -16-

<PAGE>

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, 0.470% per annum and, as of any Distribution
Date after the Initial Optional Termination Date, 0.705% per annum.

     Class M-2 Pass-Through Rate: For the first Distribution Date, 4.8503% per
annum. As of any Distribution Date thereafter, the lesser of (1) One-Month LIBOR
plus the Class M-2 Margin and (2) the Subordinated Certificate Available Funds
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)
69.80% 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 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 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


                                       -17-

<PAGE>

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, 0.500% per annum and, as of any Distribution
Date after the Initial Optional Termination Date, 0.750% per annum.

     Class M-3 Pass-Through Rate: For the first Distribution Date, 4.8803% per
annum. As of any Distribution Date thereafter, the lesser of (1) One-Month LIBOR
plus the Class M-3 Margin and (2) the Subordinated Certificate Available Funds
Cap for such Distribution Date.

     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) 74.20% 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.


                                       -18-

<PAGE>

     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 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, 0.630% per annum and, as of any Distribution
Date after the Initial Optional Termination Date, 0.945% per annum.

     Class M-4 Pass-Through Rate: For the first Distribution Date, 5.0103% per
annum. As of any Distribution Date thereafter, the lesser of (1) One-Month LIBOR
plus the Class M-4 Margin and (2) the Subordinated Certificate Available Funds
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) 77.50% 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


                                      -19-

<PAGE>

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.

     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, 0.670% per annum and, as of any Distribution
Date after the Initial Optional Termination Date, 1.005% per annum.

     Class M-5 Pass-Through Rate: For the first Distribution Date, 5.0503% per
annum. As of any Distribution Date thereafter, the lesser of (1) One-Month LIBOR
plus the Class M-5 Margin and (2) the Subordinated Certificate Available Funds
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) 80.80% 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.


                                      -20-

<PAGE>

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) 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, 0.740% per annum and, as of any Distribution
Date after the Initial Optional Termination Date, 1.110% per annum.

     Class M-6 Pass-Through Rate: For the first Distribution Date, 5.1203% per
annum. As of any Distribution Date thereafter, the lesser of (1) One-Month LIBOR
plus the Class M-6 Margin and (2) the Subordinated Certificate Available Funds
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


                                      -21-

<PAGE>

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), and (G) the Class M-6
Certificate Principal Balance immediately prior to such Distribution Date over
(2) the lesser of (A) 83.60% 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 Securities Administrator and authenticated by
the Securities Administrator in substantially the form set forth in Exhibit A,
representing the right to distributions as set forth herein.

     Class R Certificate: The Class R Certificate executed by the Securities
Administrator and authenticated by the Securities Administrator 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.

     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


                                       -22-

<PAGE>

(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, 0.240% per annum and, as of any
Distribution Date after the Initial Optional Termination Date, 0.480% per annum.

     Class R Pass-Through Rate: For the first Distribution Date, 4.6203% per
annum. As of any Distribution Date thereafter, the lesser of (1) One-Month LIBOR
plus the Class R Margin and (2) the Class A-1 Available Funds Cap for such
Distribution Date.

     Closing Date: December 28, 2005.

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

     Collection Account: The separate Eligible Account 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 "National City
Home Loan Services, Inc., as servicer for Citibank, N.A., as trustee, in trust
for registered holders of First Franklin Mortgage Loan Trust, Mortgage Loan
Asset-Backed Certificates, Series 2005-FF12." Funds in the Collection Account
shall be held in trust for the Certificateholders for the uses and purposes set
forth in this Agreement.

     Compensating Interest: With respect to any Mortgage Loan and any
Distribution Date, an amount equal to the portion of any Prepayment Interest
Shortfalls required to be deposited in the Collection Account by the Servicer
pursuant to Section 4.02 hereof.

     Condemnation Proceeds: All awards or settlements in respect of a Mortgaged
Property (or Underlying Mortgaged Property, in the case of a Co-op Loan),
whether permanent or temporary, partial or entire, by exercise of the power of
eminent domain or condemnation, to the extent not required to be released either
to a Mortgagor in accordance with the terms of the related mortgage loan
documents or to the holder of a senior lien on the Mortgaged Property (or
Underlying Mortgaged Property, in the case of a Co-op Loan).

     Co-op Lease: With respect to a Co-op Loan, the lease with respect to a
dwelling unit occupied by the Mortgagor and relating to the stock allocated to
the related dwelling unit.

     Co-op Loan: A Mortgage Loan secured by the pledge of stock allocated to a
dwelling unit in a residential cooperative housing corporation and a collateral
assignment of the related Co-op Lease.

     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 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.


                                      -23-

<PAGE>

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

     Custodian: LaSalle Bank National Association.

     Cut-off Date: December 1, 2005.

     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.

     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-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.
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 Securities Administrator 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


                                      -24-

<PAGE>

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, or if such 25th day
is not a Business Day, the next succeeding Business Day, commencing in January
2006.

     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 (i) 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 (ii) 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 Securities
Administrator, 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 or Prime-1 by Moody's at the time any deposits are held on deposit therein,
or (vii) otherwise acceptable to each Rating Agency, as evidenced by a letter
from each Rating Agency to the Securities Administrator and 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 of
Prohibited Transaction Exemption 90-29, Exemption


                                      -25-

<PAGE>

Application No. D-8012, 55 Fed. Reg. 21459 (1990), as amended, granted to the
Underwriter by the United States Department of Labor (or any other applicable
underwriter's exemption granted by the United States Department of Labor),
except, in relevant part, for the requirement that the certificates have
received a rating at the time of acquisition that is in one of the three (or
four, in the case of a "designated transaction") highest generic rating
categories by at least one of the Rating Agencies.

     ERISA Restricted Certificates: The Class C 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 the 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)
$90,397,250 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) 9.20% 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 which is fixed.


                                      -26-

<PAGE>

     Floating Rate Certificate Carryover: With respect to a Distribution Date,
in the event that the Pass-Through Rate for a class of Class A, Class M or Class
B Certificates is based upon the related Available Funds Cap, 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, up to but not exceeding
greater of (x) the related Maximum Rate Cap or (y) the sum of (i) the related
Available Funds Cap and (ii) the product of (A) 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 (B) 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 over (2) the amount of interest such class
was entitled to receive on such Distribution Date based on the related Available
Funds Cap, together with (i) the unpaid portion of any such excess from prior
Distribution Dates (and interest accrued thereon at the then applicable
Pass-Through Rate, without giving effect to the applicable Available Funds Cap)
and (ii) 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 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 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.


                                      -27-

<PAGE>

     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 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 have been reduced to zero, 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 (or the related Underlying Mortgaged Property, in the case of
a Co-op Loan) 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 (or related Underlying Mortgage Property, in the case of a
Co-op Loan), including any replacement policy or policies for any insurance
policies.

     Insurance Proceeds: Proceeds paid in respect of a Mortgage Loan or the
related Mortgaged Property (or the related Underlying Mortgaged Property, in the
case of a Co-op Loan) pursuant to any Insurance Policy or any other insurance
policy covering such Mortgage Loan or Mortgaged Property (or Underlying
Mortgaged Property, in the case of a Co-op Loan), 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 the related Underlying Mortgaged Property, in the case of
a Co-op Loan) or released either to the Mortgagor or to the holder of a senior
lien on the related Mortgaged Property (or the related Underlying Mortgaged
Property in the case of a Co-op Loan) 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 (or the related Underlying Mortgaged Property, in the case of a Co-op
Loan).


                                      -28-

<PAGE>

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

     Interest Determination Date: With respect to the 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, December 27, 2005.

     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 and such Distribution
Date, (3) all Compensating Interest with respect to the Mortgage Loans and such
Distribution Date, (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 to the Servicer, the Master Servicer, the
Securities Administrator and the Trustee pursuant to this Agreement.

     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
and New York City, U.S.A. are open and conducting transactions in foreign
currency and exchange.

     Liquidated Loan: With respect to any Distribution Date, a defaulted
Mortgage Loan that either (a) pursuant to Section 3.12 has been realized upon or
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, the Servicer has certified in a
certificate of an officer of the Servicer delivered to the Depositor and the
Master Servicer 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 Condemnation Proceeds, Insurance
Proceeds, received in connection with the partial or complete liquidation of a
Mortgage Loan, 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 the final sale of a related REO
Property, less the sum of related unreimbursed Advances, Servicing Fees,
Servicing Advances and any other expenses related to such Mortgage Loan.


                                      -29-

<PAGE>

     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 (or applicable
dwelling unit, in the case of a Co-op Loan) and (Y) the sales price of the
related Mortgaged Property (or applicable dwelling unit, in the case of a Co-op
Loan) 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
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
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 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.

     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.

     Master Servicer: LaSalle Bank National Association, a national banking
association, or any successor in interest.

     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 Subordinated Certificate 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.


                                      -30-

<PAGE>

     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.

     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.

     Mortgage: With respect to a Mortgage Loan that is not a Co-op Loan, the
mortgage, deed of trust or other instrument with all riders attached thereto
creating a first lien or a first priority ownership interest in an estate in fee
simple in real property securing a Mortgage Note. With respect to a Co-op Loan,
the security agreement with all riders attached thereto creating a security
interest in the stock allocated to a dwelling unit in a residential cooperative
housing corporation and pledged to secure such Co-op Loan and the related Co-op
Lease.

     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 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 Properties), 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 Loan Schedule: The list of Mortgage Loans (as from time to time
amended by the Custodian on behalf of 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) the 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;


                                      -31-

<PAGE>

          (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;

          (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;

               (A)   the frequency of each Adjustment Date;

               (B)   the next Adjustment Date;

               (C)   the Maximum Mortgage Rate;

               (D)   the Minimum Mortgage Rate;

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

               (F)   the related Periodic Rate Cap;

               (G)   the Gross Margin;

               (H)   the lifetime rate cap;

          (xiii) location of the related Mortgaged Property (or Underlying
     Mortgaged Property, in the case of a Co-op Loan);

          (xiv) a code indicating whether a Prepayment Charge is applicable and,
     if so, the term of such Prepayment Charge;

          (xv) the Credit Score and date obtained; and

          (xvi) the MIN.

     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.


                                      -32-

<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: With respect to any Distribution Date, the product of (x) the
weighted average Net Mortgage Rate for the Mortgage Loans calculated based on
the respective Net Mortgage Rates and the Stated Principal Balances of such
Mortgage Loans as of the preceding Distribution Date (or, in the case of the
first Distribution Date, as of the Cut-off Date) and (y) a fraction, the
numerator of which is 30 and the denominator of which is the actual number of
days in the related Accrual Period.

     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 10.12.

     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 with respect to the related Mortgage Loan.

     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 with respect to the related
Mortgage Loan.

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

     Offered Certificates: The Class A, Class M, Class B and Class R
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, the
Master Servicer, the Servicer or the Securities Administrator (or any other
officer customarily performing functions similar to those performed by any of
the above designated officers and also 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 provided for in this
Agreement, signed by a Servicing Officer, as the case may be, and delivered to
the Depositor, the Master Servicer, the Servicer, the Securities Administrator
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 Securities Administrator on the related Interest Determination Date on the
basis of (a) the offered rates for one-month United States dollar deposits, as
such rates appear on Telerate page 3750, as of 11:00 a.m. (London time) on such
Interest Determination Date or (b) if such rate does not appear on Telerate Page
3750 as of 11:00 a.m. (London time), the offered rates of the Reference Banks
for one-month United States dollar deposits, as such rates appear on the Reuters
Screen LIBO Page, as of 11:00 a.m. (London time) on such Interest Determination
Date. If One-Month LIBOR is determined pursuant to clause (b) above, on each
Interest Determination Date, One-Month LIBOR for the related Accrual Period will
be established by the Securities Administrator as follows:


                                      -33-

<PAGE>

          (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, the Master Servicer, the Servicer, the Trustee or the Securities
Administrator, 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, the Master Servicer, the Servicer or the
Securities Administrator, (2) not have any direct financial interest in the
Depositor, the Master Servicer, the Servicer, the Trustee or the Securities
Administrator or in any affiliate of any such party and (3) not be connected
with the Depositor, the Master Servicer, the Servicer, the Trustee or the
Securities Administrator 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 (b) of Section 9.01 hereof.

     Optional Termination Amount: The amount received by the Securities
Administrator in connection with any purchase of all of the Mortgage Loans and
REO Properties pursuant to Section 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 Optional Termination Price is to be distributed to the
Certificateholders; (ii) any unreimbursed out-of-pocket costs and expenses owed
to the Trustee, the Master Servicer, the Securities Administrator or the
Servicer, any unpaid or unreimbursed Servicing Fees, Securities Administrator
Fees and all unreimbursed Advances and Servicing Advances, in each case incurred
by such party in the performance of its obligations and (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.

     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 Securities
Administrator or delivered to the Securities Administrator for cancellation; and
(2) Certificates in exchange for which or in lieu of which other Certificates
have been executed by the Securities Administrator and delivered by the
Securities Administrator 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.


                                      -34-

<PAGE>

     Overcollateralization Amount: As of any date of determination, the excess
of (1) the sum of (x) 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 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) receiving collections on the Mortgage Loans and the Cap
     Contracts 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
     such obligations are backed by the full faith and credit of the United
     States;


                                      -35-

<PAGE>

           (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 Securities Administrator
     or any of its 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 Securities
     Administrator 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;

          (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 Securities Administrator 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 offered by
     the Securities Administrator, the Trustee or their respective 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 Securities Administrator 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


                                      -36-

<PAGE>

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 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 Securities Administrator 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 or rates of prepayment, as described in the
Prospectus Supplement in the definition of "Modeling Assumptions," relating to
the Offered Certificates.

     Prepayment Charges: Any prepayment fees, premiums or charges to be paid by
a Mortgagor on a Mortgage Loan in connection with any Principal Prepayment
pursuant to the terms of the related Mortgage Note or Mortgage, as applicable,
as identified on the Mortgage Loan Schedule.


                                      -37-

<PAGE>

     Prepayment Interest Excesses: With respect to any Servicer Remittance Date,
for each Mortgage Loan that was the subject of a partial Principal Prepayment or
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), 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 or
in the case of a partial Principal Prepayment, on the amount of such prepayment,
exceeds (ii) the amount of interest paid or collected in connection with such
Principal Prepayment.

     Prepayment Period: As 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.

     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) all 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) Principal
Prepayments collected in the related Prepayment Period, (3) the Stated Principal
Balance of each Mortgage Loan that was purchased by the Depositor or the
Servicer during the related Prepayment Period or, in the case of a purchase
pursuant to Section 9.01, on any 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 Seller 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 related to principal), (6) all Subsequent Recoveries
received during the related Due Period, and (7) all other collections and
recoveries in respect of principal during the related Prepayment Period less (A)
all Non-Recoverable Advances relating to principal with respect to the Mortgage
Loans and (B) other amounts reimbursable to the Servicer, the Master Servicer,
the Securities Administrator and the Trustee pursuant to this Agreement and
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, 3.12 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.


                                      -38-

<PAGE>

     Prospectus Supplement: The Prospectus Supplement dated December 22, 2005
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 Seller pursuant to Section 2.02 or 2.03 hereof or purchased
by the Servicer pursuant to Section 3.12(c) hereof, an amount equal to the sum
of (i) 100% of the unpaid principal balance of the Mortgage Loan as of the date
of such purchase together with any unreimbursed Servicing Advances, (ii) accrued
interest on such unpaid principal balance 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 (or the Securities Administrator, the Master Servicer
or the Trustee on behalf of the Trust Fund) in connection with any violation
relating to such Mortgage Loan of any predatory or abusive lending law. With
respect to any REO Property purchased by the Servicer pursuant to Section
3.12(c) hereof, an amount equal to the fair market value of such REO Property,
as determined in good faith by the Servicer

     Rating Agency: Either 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.

     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) 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 any Distribution Date, the close of business
on the last Business Day of the month preceding the month in which the
applicable Distribution Date occurs (or, in the case of the first Distribution
Date, the Closing Date).

     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 Securities Administrator 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 Securities Administrator.

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

     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, 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.


                                       -39-

<PAGE>

     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 Securities Administrator, as custodian
for DTC and registered in the name of a nominee of DTC.

     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 either of (or, as the context requires, both of) the Lower Tier REMIC and
the Upper Tier REMIC.

     REMIC Pass-Through Rate: The Class A-1 Available Funds Cap (in the case of
a Class included in Certificate Group One), the Class A-2 Available Funds Cap
(in the case of a Class included in Certificate Group Two) or the Subordinated
Certificate Available Funds Cap (in the case of the Subordinated Certificates).

     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: (i) any of the rights under any of the
Certificates (other than the Class P Certificates, the Class R Certificate and
the Class C Certificates) other than the rights in interest rate cap contracts
described in Section 2.07 and (ii) the Uncertificated Class C Interest.

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

     REO Property: A Mortgaged Property acquired by the Servicer, on behalf of
the Trustee for the benefit of the Certificateholders, through foreclosure or
deed-in-lieu of foreclosure in connection with a defaulted Mortgage Loan.

     Replacement Mortgage Loan: A Mortgage Loan substituted by the Seller 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 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


                                      -40-

<PAGE>

score or credit grade than that of the Deleted Mortgage Loan; (4) have a
Loan-to-Value Ratio 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 (or its custodian), 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.

     Reserve Interest Rate: With respect to any Interest Determination Date, the
rate per annum that the Securities Administrator 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 Securities Administrator are quoting on the relevant
Interest Determination Date to the principal London offices of leading banks in
the London interbank market or (2) in the event that the Securities
Administrator can determine no such arithmetic mean, the lowest one-month United
States dollar lending rate which New York City banks selected by the Securities
Administrator are quoting on such Interest Determination Date to leading
European banks.

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

     Responsible Officer: When used with respect to the Securities
Administrator, the Master Servicer or the Servicer, any officer of the
Securities Administrator, the Master Servicer 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. When
used with respect to the Trustee, any officer of the Trustee with direct
responsibility for the administration of this Agreement and also means 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.

     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
December 1, 2005 between the Depositor and the Seller.


                                      -41-

<PAGE>

     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.

     Section 302 Requirements: Any rules or regulations promulgated pursuant to
the Sarbanes-Oxley Act of 2002 (as such may be amended from time to time).

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

     Securities Administrator: LaSalle Bank National Association, a national
banking association, or any successor in interest.

     Securities Administrator Fee: The Securities Administrator is entitled to
the investment income earned on amounts on deposit in the Certificate Account as
set forth in Section 3.05(g) hereof.

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

     Servicer: National City Home Loan Services, Inc., a Delaware 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 18th
day (or if such day is not a Business Day, the next succeeding Business Day) of
the month in which the related Distribution Date occurs.

     Servicer Trigger Event: As defined in Section 7.02 hereof.

     Servicer's Assignee: As defined in Section 10.14(a).

     Servicing Advances: All customary, reasonable and necessary "out of pocket"
costs and expenses incurred in the performance of the Servicer's servicing
obligations hereunder, including, but not limited to, the cost of (1) the
preservation, inspection, restoration and protection of a Mortgaged Property (or
Underlying Mortgaged Property, in the case of a Co-op Loan), 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, substitutions of trustees on trust deeds, deeds of
reconveyance or Assignments of Mortgage to the extent not otherwise recovered
from the related Mortgagors or payable under this Agreement, (5) correcting
errors of prior servicers; costs and expenses charged to the Servicer by the
Trustee or Securities Administrator; 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; provided that
such amounts are required to be advanced only to the extent such advances
constitute "unanticipated expenses" within the meaning of Treasury Regulation
Section 1.860G-1(b)(3)(ii).

     Servicing Fee: As to each Mortgage Loan and any Distribution Date, an
amount equal to the product of (x) one-twelfth of 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


                                      -42-

<PAGE>

the Stated Principal 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.

     Servicing Officer: Any officer of the Servicer or the Special Servicer, as
applicable, involved in, or responsible for, the administration and servicing of
the Mortgage Loans whose name appears on a list of servicing officers furnished
to the Master Servicer, the Securities Administrator and the Trustee by the
Servicer on the Closing Date or by the Special Servicer upon a servicing
transfer of any Mortgage Loans pursuant to this Agreement, as such lists may
from time to time be amended.

     Servicing Rights Pledgee: One or more lenders, selected by the Servicer, to
which the Servicer may pledge and assign all of its right, title and interest
in, to and under this Agreement (other than rights with respect to Advances and
Servicing Advances herein), including JPMorgan Chase Bank, N.A., as the
representative of certain lenders.

     Servicing Transfer Costs: In the event that the Servicer does not reimburse
the Master Servicer 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 manipulation, completion or correction of such servicing data as
may be required by the Master Servicer or any successor servicer to correct any
errors or insufficiencies in the servicing data or otherwise to enable the
Master Servicer or successor servicer to service the Mortgage Loans properly and
effectively.

     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.

     Special Servicer: Wilshire Credit Corporation, a Nevada 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 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 later to occur of (1) the Distribution Date in January
2009 or (2) the first Distribution Date on which (A) the Class A Certificate
Principal Balance (reduced by the Principal Funds with respect to such
Distribution Date) is less than or equal to (B) 55.90% of the Stated Principal
Balances of the Mortgage Loans as of such Distribution Date.


                                      -43-

<PAGE>

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

<TABLE>
<CAPTION>
DISTRIBUTION DATE OCCURRING IN    STEPDOWN REQUIRED LOSS PERCENTAGE
------------------------------    ---------------------------------
<S>                               <C>
January 2009 -- December 2009     2.85% with respect to January 2009, plus an
                                  additional 1/12th of 1.40% for each month
                                 thereafter

January 2010 -- December 2010     4.25% with respect to January 2010, plus an
                                 additional 1/12th of 0.50% for each month
                                 thereafter

January 2011 -- December 2011     4.75% with respect to January 2011, plus an
                                 additional 1/12th of 0.25% for each month
                                 thereafter

January 2012 and thereafter       5.00%
</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 which 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) 35.00%
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.

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

     Subordinated Certificate Available Funds Cap: With respect to a
Distribution Date, the per annum rate equal to the weighted average (weighted in
proportion to the results of subtracting the current Certificate Principal
Balance of the Class A-1 and Class R Certificates, in the case of Group One, or
the Class A-2 Certificates, in the case of Group Two, from the aggregate Stated
Principal Balance of the Mortgage Loans in each Mortgage Group as of the
immediately preceding Distribution Date (or, in the case of the first
Distribution Date, as of the Cut-off Date)) of the Class A-1 Available Funds Cap
and the Class A-2 Available Funds Cap.

     Subordinated Certificate Cap Contract: The confirmation and agreement
between the Trust Fund or the Securities Administrator and the Cap Contract
Counterparty (in the form of Exhibit N-3 hereto).

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

     Subordinated Certificate Cap Contract Termination Date: The Distribution
Date in October 2008.

     Subordinated Certificate 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 the
Mortgage Loans in each Mortgage Group as of the immediately preceding
Distribution Date (or, in the case of the first Distribution Date, as of the
Cut-off Date) the current


                                      -44-

<PAGE>

Certificate Principal Balance of the Class A-1 and Class R Certificates, in the
case of Group One, or the Class A-2 Certificates, in the case of Group Two) of
the Class A-1 Maximum Rate Cap and the Class A-2 Maximum Rate Cap.

     Subordinated Certificate Upper Collar: With respect to each Distribution
Date with respect to which payments are received on the Subordinated Certificate
Cap Contract, a rate equal to the lesser of One-Month LIBOR and 8.730% per
annum.

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

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

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

     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.

     Transferor: First Franklin Financial Corporation.

     Trust Fund: The corpus of the trust (the "First Franklin Mortgage Loan
Trust, Series 2005-FF12") 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, 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; and (vi) the Cap Contracts and Cap Contract
Account.

     Trustee: Citibank, N.A., 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.

     Uncertificated Class C Interest: An uncertificated interest with an initial
principal amount equal to the initial Overcollateralization Amount and having
(i) the same rights to payments as the Class C Certificates, other than the
rights to payments of amounts with respect to the Cap Contracts, and (ii) the
rights to the payments treated as distributed to the Class C Certificates under
Section 2.07(d), provided, however, that such interest shall have no obligation
to make any payments treated as paid by the Class C Certificates pursuant to
interest rate cap agreements under Section 2.07(d).

     Underlying Mortgaged Property: With respect to each Co-op Loan, the
underlying real property owned by the related residential cooperative housing
corporation.


                                      -45-

<PAGE>

     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 and
Class C Unpaid Realized Loss Amount, collectively.

     Upper Collar: Any of the Class A-1 Upper Collar, the Class A-2 Upper Collar
or the Subordinated Certificate Upper Collar.

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

     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 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.

                                   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 Master Servicer, the
Servicer, the Special Servicer, the Securities Administrator and the Trustee
that it is not intended that any Mortgage Loan be included in the Trust that is,
without limitation, a "High-Cost Home Loan" as defined by the Home Ownership and
Equity Protection Act of 1994 or any other applicable anti-predatory lending
laws, including but not limited to (i) a "High-Cost Home Loan" as defined in the
New Jersey Home Ownership Act effective November 27, 2003; (ii) a "High-Cost
Home Loan" as defined in the New Mexico Home Loan Protection Act effective
January 1, 2004; or (iii) a "High-Cost Home 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.

     (i) In connection with such assignment, the Depositor does hereby deliver
to, and deposit with, the Trustee or the Custodian on its behalf, the following
documents or instruments with respect to each Mortgage Loan so assigned that is
not a Co-op Loan:


                                       -46-

<PAGE>

          (A) The original Mortgage Note endorsed in blank or, "Pay to the order
     of Citibank, N.A., 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 with together 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 by the Transferor to be
     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 endorsed either in blank or, to
     "Citibank, N.A., 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);

          (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; and

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

     (ii) In connection with such assignment, the Depositor does hereby deliver
to, and deposit with, the Trustee or the Custodian on its behalf, the following
documents or instruments with respect to each Mortgage Loan so assigned that is
a Co-op Loan:

          (A) (i) The original Mortgage Note (or a lost note affidavit
     (including a copy of the original Mortgage Note)) or (ii) original
     consolidation, extension and modification agreement (or a lost note
     affidavit (including a copy of the original consolidation, extension and
     modification agreement)), in either case endorsed either in blank or, "Pay
     to the order of Citibank, N.A., as trustee, without recourse;"

          (B) The original Mortgage entered into by the Mortgagor with respect
     to such Co-Op Loan;

          (C) The original Assignment of Mortgage endorsed either in blank or to
     "Citibank, N.A., as trustee;"

          (D) Original assignments of Mortgage showing a complete chain of
     assignment from the originator of the related Co-Op Loan to the last
     endorsee on the Mortgage Note;


                                      -47-

<PAGE>

          (E) Original Form UCC-1 and any continuation statements with evidence
     of filing thereon entered into by the Mortgagor with respect to such Co-Op
     Loan (or a recorded copy thereof);

          (F) Form UCC-3 (or copy thereof) by the Transferor or its agent
     assigning the security interest covered by such Form UCC-1 to "Citibank,
     N.A., as trustee," together with all Forms UCC-3 (or copies thereof)
     showing a complete chain of assignment from the originator of the related
     Co-op Loan to the Transferor, with evidence of recording thereon;

          (G) Original stock certificate representing the stock allocated to the
     related dwelling unit in the related residential cooperative housing
     corporation and pledged by the related Mortgagor to the originator of such
     Co-op Loan with a stock power in blank attached;

          (H) Original proprietary lease;

          (I) Original assignment of proprietary lease or a copy thereof, to the
     Trustee or in blank, and all intervening assignments thereof;

          (J) Original recognition agreement or a copy thereof of the interests
     of the mortgagee with respect to the Co-op Loan by the residential
     cooperative housing corporation, the stock of which was pledged by the
     related Mortgagor to the originator of such Co-op Loan; and

          (K) Originals of any assumption, consolidation or modification
     agreements relating to any of the items specified in (A) through (F) above
     with respect to such Co-op Loan.

     If in connection with any Mortgage Loan that is not a Co-op 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 or the Custodian on its behalf 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 such endorsement to be made.

     With respect to any Mortgage Loan that is not a Co-op Loan, none of the
Depositor, the Master Servicer, the Servicer, the Special Servicer, the
Securities Administrator or the Trustee shall be obligated to cause to be
recorded the Assignment of Mortgage referred to in this Section 2.01. With
respect to any Co-op Loan, none of the Depositor, the Servicer, the Master
Servicer, the Securities Administrator or the Trustee shall be obligated to
cause to be filed the Form UCC-3 referred to in this Section 2.01. In the event
that any Assignment of Mortgage referred to in this Section 2.01 is not recorded
or is improperly recorded, the Servicer, the Master Servicer, the Securities
Administrator and the Trustee shall have no liability for any failure to receive
or 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. None of the Depositor, the Master Servicer, the Servicer or
the Securities Administrator shall take any action inconsistent with such


                                      -48-

<PAGE>

ownership and shall not claim any ownership interest therein. The Depositor, the
Master Servicer, the Servicer and Securities Administrator 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 Seller 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 Seller 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 obligations of the
Seller 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 and the benefit
of the repurchase obligations and the obligation of the Seller 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 Seller, or any other Person in connection with the Mortgage Loans
or any other agreement or instrument relating thereto except as specifically set
forth herein.

     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 or the Custodian on its behalf in trust for the
use and benefit of all present and future Certificateholders. The


                                      -49-

<PAGE>

Depositor will cause the Seller to repurchase any Mortgage Loan to which a
material exception was taken in the Exception Report unless such exception is
cured within 45 Business Days of the Closing Date.

        The Securities Administrator acknowledges receipt of the three Cap
Contracts (forms of which are attached hereto as Exhibits N-1, N-2 and N-3) and
the Sale Agreement.
       
        The Trustee or the Custodian on its behalf 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 to ascertain and to certify, within
70 days of the Closing Date, to the NIMs Insurer, the Depositor, the Master
Servicer and the Servicer that all documents required by Section 2.01 have been
executed and received, and that such documents relate to the Mortgage Loans
identified in Exhibit B that have been conveyed to it. If the Trustee or the
Custodian on its behalf 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 or the Custodian on its
behalf shall promptly (and in any event within no more than five Business Days)
after such finding so notify the NIMs Insurer, the Servicer, the Special
Servicer, the Master Servicer, the Seller and the Depositor. In addition, the
Trustee or the Custodian on its behalf shall also notify the NIMs Insurer, the
Master Servicer, the Servicer, the Special Servicer, the Seller 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 or the Custodian on its
behalf 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 Seller correct or cure such omission, defect or other
irregularity, or substitute a Mortgage Loan pursuant to the provisions of
Section 2.03, within 90 days from the date the Seller was notified of such
omission or defect and, if the Seller does not correct or cure such omission or
defect within such period, that the Seller purchase such Mortgage Loan from the
Trust Fund within 90 days from the date the Trustee or the Custodian on its
behalf notified the Seller 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, the Trustee or the
Custodian on its behalf, upon receipt of a Request for Release, shall promptly
release to the Seller 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 Seller and necessary to vest in the Seller 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 Seller 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. Neither
the Trustee nor the Custodian on its behalf shall be under any duty or
obligation to inspect, review and examine such documents, instruments,
certificates or other papers to determine that they are genuine, enforceable,
recordable 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, the Special Servicer, the Master Servicer, the Securities
Administrator and the Trustee shall keep confidential the name of each Mortgagor
except as required by this Agreement and the Servicer, the Special Servicer, the
Master Servicer, the Securities Administrator 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


                                      -50-

<PAGE>

information that is or becomes publicly known, or information obtained by the
Trustee, the Servicer, the Special Servicer, the Master Servicer or the
Securities Administrator from sources other than the other parties hereto, (ii)
disclosure of any and all information (A) if required 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 Trustee's business
or that of its affiliates, (C) pursuant to any subpoena, civil investigation
demand or similar demand or request of any court, regulatory authority,
arbitrator or arbitration to which Trustee 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, the
Servicer, the Special Servicer, the Master Servicer or the Securities
Administrator having a need to know the same, provided that the Trustee, the
Servicer, the Special Servicer, the Master Servicer or the Securities
Administrator, as applicable, advises such recipient of the confidential nature
of the information being disclosed, or (iii) any other disclosure authorized by
the Depositor. It is understood and agreed that all rights and benefits relating
to the solicitation of any Mortgagors and the attendant rights, title and
interest in and to the list of Mortgagors and data relating to their Mortgages
shall be retained by the Servicer.

     Within 70 days of the Closing Date, the Trustee (or the custodian on its
behalf) shall deliver to the NIMs Insurer, the Depositor, the Master Servicer
and the Servicer the Initial 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 Servicer, the
Special Servicer, the Master Servicer, the Securities Administrator, the NIMs
Insurer 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,


                                       -51-

<PAGE>

     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 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 Seller, 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 Seller 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 Seller under
the Sale Agreement, the only right or remedy of the Trustee, the NIMs Insurer or
of any Certificateholder shall be the Trustee's right to enforce the obligations
of the Seller under such applicable representation or warranty made by it. 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.

          (c) Upon discovery by any of the Depositor, the Master Servicer, the
Securities Administrator, the Servicer, the Special Servicer, the NIMs Insurer
or the Trustee 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 Seller 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 Seller, the Trustee shall enforce its rights
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 Sale
Agreement exists solely due to the unenforceability of a Prepayment Charge, the
Trustee shall notify the NIMs Insurer thereof and not seek to enforce the
repurchase remedy provided for herein unless directed in writing to do so by the
NIMs Insurer. In the event of a breach of the representations and warranties
with respect to the Mortgage Loans set forth in the Sale Agreement, the Trustee
shall, at the request of the NIMs Insurer, enforce the right of the Trust Fund
and the NIMs Insurer to be indemnified for such breach of representation and
warranty. In the event that such breach


                                      -52-

<PAGE>

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 Seller substitutes for a Mortgage Loan for which there is a breach of any
representations and warranties in the Sale 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 Seller 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 or the Custodian on its behalf 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. As provided in the
Sale Agreement, the Seller indemnifies and holds the Trust Fund, the Trustee,
the Depositor, the NIMs Insurer, the Master Servicer, the Securities
Administrator, the Servicer 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, the Depositor, the NIMs Insurer, the Master Servicer,
the Securities Administrator, the Servicer and any Certificateholder may sustain
in connection with any actions of the Seller 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 Seller is not a member of
MERS and repurchases a Mortgage Loan which is registered on the MERS System, the
Seller, 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 Seller 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 Depositor pursuant to
this Agreement, by the Seller 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
by the Servicer in the Collection Account pursuant to Section 3.05 and the
Servicer shall notify the Securities Administrator of its receipt of the same.
The Trustee or the Custodian on its behalf, upon receipt of notice from the
Servicer of its receipt of the full amount of the Purchase Price for a Deleted
Mortgage Loan, or upon receipt of the Mortgage File for a Replacement Mortgage
Loan substituted for a Deleted Mortgage Loan, shall release or cause to be
released and reassign to the Depositor or the Seller, as applicable, 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 Trustee
(or the custodian on its behalf), and neither the Trustee, the Custodian on its
behalf nor the Securities Administrator shall have any 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 (or the custodian on its behalf) pursuant to the terms of this Article
II in exchange for a Deleted Mortgage Loan: (i) the Depositor or the Seller, as
applicable, must deliver to the Trustee (or the custodian on its behalf) 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
delivery of such Mortgage File and containing the granting language set forth in
Section 2.01; and (ii) the Depositor will be deemed to have made, with


                                      -53-

<PAGE>

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 (or the custodian on its behalf) shall review the Mortgage File with
respect to each Replacement Mortgage Loan and certify to the NIMs Insurer and
the Depositor that all documents required by Section 2.01 have been executed and
received.

     For any month in which the Seller substitutes one or more Replacement
Mortgage Loans for one or more Deleted Mortgage Loans, the Seller 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 Seller to the Servicer for deposit into the
Collection Account 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, the NIMs Insurer and the
Securities Administrator 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 Trustee or the Custodian on its behalf shall cause the Mortgage Loan
Schedule to be amended in accordance with the terms of this Agreement.

     The Seller shall give or cause to be given written notice to the
Certificateholders and the NIMs Insurer that such substitution has taken place,
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 and shall deliver a copy
of such amended Mortgage Loan Schedule to the NIMs Insurer, the Servicer, the
Special Servicer, the Master Servicer, the Securities Administrator and the
Trustee. Upon such substitution by the Seller, 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 Sale
Agreement, including all applicable representations and warranties thereof
included in the 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 and (ii) of the Seller
and the Depositor set forth in 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 or the Custodian
on its behalf 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.

     SECTION 2.04. Representations and Warranties of the Master Servicer;
Representations and Warranties of the Servicer; Representations and Warranties
of the Securities Administrator.


                                      -54-

<PAGE>

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

               (i) The Master Servicer is duly organized and is validly existing
as a national banking association and is duly authorized and qualified to
transact any and all business contemplated by this Agreement to be conducted by
the Master Servicer.

               (ii) The Master Servicer has the power and authority to master
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 action on the part of the Master 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 Master
Servicer, enforceable against the Master 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
hereunder may be brought.

               (iii) The execution and delivery of this Agreement by the Master
Servicer, the master 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 Master Servicer and will not (A) result in a material
breach of any term or provision of the charter or by-laws of the Master 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 Master 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 Master Servicer of any court, regulatory
body, administrative agency or governmental body having jurisdiction over the
Master Servicer; and the Master 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 Master Servicer's ability to perform or meet
any of its obligations under this Agreement.

               (iv) The Master Servicer, or an affiliate thereof, is an approved
servicer of mortgage loans for Fannie Mae and for Freddie Mac.

               (v) No litigation is pending or, to the best of the Master
Servicer's knowledge, threatened, against the Master Servicer that would
materially and adversely affect the execution, delivery or enforceability of
this Agreement or its performance of 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 Master Servicer of, or compliance by the Master Servicer
with, this Agreement or the consummation of the transactions contemplated
hereby, or if any such consent, approval, authorization or order is required,
the Master Servicer has obtained the same.

          (b) The Servicer hereby represents and warrants to the Depositor, the
Master Servicer, the Special Servicer, the Securities Administrator and the
Trustee as follows, as of the date hereof:


                                       -55-

<PAGE>

               (i) The Servicer is a corporation duly organized, validly
existing and in good standing under the laws of Delaware and is an operating
subsidiary of National City Bank of Indiana. As a national bank operating
subsidiary, it is regulated by the Office of the Comptroller of the Currency and
is subject to applicable laws and regulations. The Servicer is authorized to
carry on its business as now being conducted as an operating subsidiary of a
national bank.

                (ii) The Servicer has the full corporate power and authority to
execute and deliver this Agreement and to perform in accordance herewith; the
execution, delivery and performance of this Agreement (including all instruments
or transfer to be delivered pursuant to this Agreement) by the Servicer and the
consummation of the transactions contemplated hereby have been duly and validly
authorized; this Agreement evidences the valid, binding and enforceable
obligation of the Servicer, regardless of whether such enforcement is sought in
equity or at law; and all requisite corporate action has been taken by the
Servicer to make this Agreement valid and binding upon the Servicer in
accordance with its terms, subject to (1) bankruptcy, reorganization,
insolvency, moratorium or other similar laws now or hereafter in effect relating
to creditors' rights generally, including, without limitation, the effect of
statutory or other laws regarding fraudulent conveyances or preferential
transfers, and (2) general principles of equity upon the specific enforceability
of any of the remedies, covenants or other provisions of the Agreement and upon
the availability of injunctive relief or other equitable remedies and the
application of principles of equity (regardless of whether such enforceability
is considered in a proceeding in equity or at law) as such principles relate to,
limit or affect the enforcement of creditors' rights generally and the
discretion of the court before which any proceeding for such enforcement 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) [Reserved].

               (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.


                                      -56-

<PAGE>

               (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.

               (viii) Notwithstanding any state or federal law to the contrary,
the Servicer shall not impose or collect a Prepayment Charge in any instance
when the mortgage debt is accelerated as the result of the Mortgagor's default
in making the Mortgage Loan payments.

          (c) The Securities Administrator hereby represents and warrants to the
Depositor, the Master Servicer, the Servicer, the Special Servicer and the
Trustee as of the date hereof:

                (i) The Securities Administrator is duly organized and is validly
existing as a national banking association and is duly authorized and qualified
to transact any and all business contemplated by this Agreement to be conducted
by the Securities Administrator.

               (ii) The Securities Administrator has the full corporate power
and authority to execute, deliver and perform, and to enter into and consummate,
the transactions contemplated by this Agreement and has duly authorized by all
necessary corporate action on the part of the Securities Administrator 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
Securities Administrator, enforceable against the Securities Administrator 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 hereunder may be brought.

               (iii) The execution and delivery of this Agreement by the
Securities Administrator, 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 Securities
Administrator and will not (A) result in a material breach of any term or
provision of the charter or by-laws of the Securities Administrator 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 Securities Administrator 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 Securities Administrator of any court,
regulatory body, administrative agency or governmental body having jurisdiction
over the Securities Administrator; and the Securities Administrator 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 Securities
Administrator's ability to perform or meet any of its obligations under this
Agreement.

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

               (v) No consent, approval, authorization or order of any court or
governmental agency or body is required for the execution, delivery and
performance by the Securities Administrator of, or compliance by the Securities
Administrator with, this Agreement or the


                                      -57-

<PAGE>

consummation of the transactions contemplated hereby, or if any such consent,
approval, authorization or order is required, the Securities Administrator has
obtained the same.

          (d) The Special Servicer hereby represents and warrants to the
Depositor, the Master Servicer, the Servicer, the Securities Administrator and
the Trustee as of the date hereof:

               (i) The Special 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 Special Servicer.

                (ii) The Special Servicer has the full corporate power and
authority to execute, deliver and perform, and to enter into and consummate, the
transactions contemplated by this Agreement and has duly authorized by all
necessary corporate action on the part of the Special 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 Special Servicer,
enforceable against the Special 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 hereunder may be brought.

               (iii) The execution and delivery of this Agreement by the Special
Servicer, 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 Special Servicer and will not (A) result in a
material breach of any term or provision of the charter or by-laws of the
Special 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 Special 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 Special Servicer of any court,
regulatory body, administrative agency or governmental body having jurisdiction
over the Special Servicer; and the Special 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 Special Servicer's ability
to perform or meet any of its obligations under this Agreement.

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

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

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

     Upon discovery by the Depositor, the Master Servicer, the Servicer, the
Special Servicer, the Securities Administrator or the Trustee that any Mortgage
Loan does not constitute a "qualified


                                      -58-

<PAGE>

mortgage" within the meaning of section 860G(a)(3) of the Code, the party
discovering such fact shall promptly (and in any event within 5 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 request 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 Securities
Administrator 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 Securities Administrator 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 to the best of
its abilities, to the end that the interests of the Holders may be adequately
and effectively protected.

     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 and the Lower Tier
REMIC as a REMIC. The Trustee, upon written direction of the Securities
Administrator, shall sign the returns providing for such elections and such
other tax or information returns which are required to be signed by the Trustee
under applicable law. This Agreement shall be construed so as to carry out the
intention of the parties that each of the Upper Tier REMIC and the Lower Tier
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 Lower Tier 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 Lower Tier REMIC,
(iii) the grantor trusts described in Section 2.07 hereof and (iv) each Cap
Contract and the Cap Contract Account. 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 that 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.

     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, (i) the pass-through rate on the REMIC Regular Interests
represented by the Class A-1 Certificates and on the sole class of residual
interest in the Upper Tier REMIC shall be subject to a cap equal to the Class
A-1 Available Funds Cap; (ii) the pass-through rate on the REMIC Regular


                                      -59-

<PAGE>

Interests represented by the Class A-2 Certificates shall be subject to a cap
equal to the Class A-2 Available Funds Cap; and (iii) the pass-through rate on
the REMIC Regular Interests represented by the Subordinated Certificates shall
be subject to a cap equal to the Subordinated Certificate Available Funds Cap.

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

           (c) The "tax matters person" with respect to the Lower Tier REMIC and
the Upper Tier 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
Securities Administrator 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) 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, 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 (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, 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.

          (e) The parties intend that the portion of the Trust Fund consisting
of the Uncertificated Class C Interest, 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 Securities Administrator 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 of the Class P Certificates, and


                                      -60-

<PAGE>

the provisions hereof shall be interpreted consistently with this intention. In
furtherance of such intention, the Securities Administrator shall (i) furnish or
cause to be furnished to the holders of the Class P Certificates information
regarding their allocable share of the income with respect to such grantor trust
and (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.

          (g) [RESERVED]

          (h) All payments of principal and interest at the Net Mortgage Rate on
each of the Mortgage Loans (other than amounts distributable to the Class P
Certificates pursuant to Section 4.04(b)(i) hereof) received from the Mortgage
Loans shall be paid to the Lower Tier REMIC Regular Interests until the
principal balance of all such interests have been reduced to zero and any losses
allocated to such interests have been reimbursed. Any excess amounts shall be
distributed to the Class LTR Interest. On each Distribution Date, payments and
losses shall be allocated among the Lower Tier REMIC Regular Interests so that
(i) each of the Lower Tier REMIC I Marker Interests shall have a principal
balance equal to 25% of the principal balance of the Corresponding Certificates,
(ii) the Class LTIX Interest has a principal balance equal to the excess of (x)
50% of the remaining principal balance of the Mortgage Loans over (y) the
aggregate principal balance of the Lower Tier REMIC I Marker Interests (if
necessary to reflect an increase in overcollateralization, accrued and unpaid
interest on the Class LTIX interest may be added to its principal amount to
achieve this result) and (iii) the aggregate principal amount of the Class
LTII1A Interest, Class LTII1B Interest, Class LTII2A Interest, Class LTII2B
Interest and the Class LTIIX Interest shall equal 50% of the remaining principal
balance of the Mortgage Loans. Distributions and losses allocated to the Lower
Tier REMIC Regular Interests described in clause (iii) of the preceding sentence
will be allocated among such Lower Tier REMIC Regular Interests in the following
manner: (x) such distributions shall be deemed made to such Lower Tier REMIC
Regular Interests first, so as to keep the principal balance of the each such
Lower Tier REMIC Regular Interest with "B" at the end of its designation equal
to 0.05% of the aggregate scheduled principal balance of the Mortgage Loans in
the related Mortgage Group and second, to such Lower Tier REMIC Regular
Interests with "A" at the end of its designation so that the uncertificated
principal balance of each such Lower Tier REMIC Regular Interest is equal to
0.05% of the excess of (I) the aggregate scheduled principal balance of the
Mortgage Loans in the related Mortgage Group over (II) the aggregate principal
balance of Certificate Group One, in the case of the Class LTII1A Interest, or
Certificate Group Two, in the case of the Class LTII2A Interest (except that if
0.05% of any such excess is greater than the principal amount of the related
Lower Tier REMIC II Marker Interest with "A" at the end of its designation, the
least amount of principal shall be distributed to each Lower Tier REMIC II
Marker Interest with "A" at the end of its designation such that the Lower Tier
REMIC Subordinated Balance Ratio is maintained) and finally, any remaining
distributions of principal to the Class LTIIX Interest and (y) such losses shall
be allocated among the Lower Tier REMIC Regular Interests described in clause
(iii) of the preceding sentence first, so as to keep the principal balance of
the each such Lower Tier REMIC Regular Interest with "B" at the end of its
designation equal to 0.05% of the aggregate scheduled principal balance of the
Mortgage Loans in the related Mortgage Group; second, to such Lower Tier REMIC
Regular Interests with "A" at the end of its designation so that the
uncertificated principal balance of each such Lower Tier REMIC Regular Interest
is equal to 0.05% of the excess of (I) the aggregate scheduled principal balance
of the Mortgage Loans in the related Mortgage Group over (II) the aggregate
principal balance of Certificate Group One, in the case of the Class LTII1A
Interest, or Certificate Group Two, in the case of the Class LTII2A Interest
(except that if 0.05% of any such excess is greater than the principal amount of
the related Lower Tier REMIC II Marker Interest with "A" at the end of its
designation, the least amount of losses shall be allocated to each Lower REMIC
II Marker Interest with "A" at the end of its designation such that the Lower
Tier REMIC Subordinated Balance Ratio is maintained) and finally, any remaining
losses to the Class LTIIX Interest. Notwithstanding the preceding two sentences,
however, losses not allocated to any Class of Certificates will not be allocated


                                      -61-

<PAGE>

to any Lower Tier REMIC Regular Interests. All computations with respect to the
Lower Tier REMIC Regular Interests shall be taken out to ten decimal places.

     Any available funds remaining in the Lower Tier REMIC on a Distribution
Date after distributions to the Lower Tier REMIC Regular Interests shall be
distributed to the Class R Certificates in respect of the Class LTR Interest.

     If on any Distribution Date the Certificate Principal Balance of any Class
of Certificates is increased pursuant to the last sentence of the definition of
"Certificate Principal Balance", then there shall be an equivalent increase in
the principal amounts of the Lower Tier REMIC Regular Interests, with such
increase allocated (before the making of distributions and the allocation of
losses on the Lower Tier REMIC Regular Interests on such Distribution Date)
among the Lower Tier REMIC Regular Interests so that, to the greatest extent
possible, (i) each of the Lower Tier REMIC I Marker Interests has a principal
balance equal to 25% of the principal balance of the Corresponding Certificates,
(ii) the Class LTIX Interest has a principal balance equal to the excess of (x)
50% of the remaining principal balance of the Mortgage Loans over (y) the
aggregate principal balance of the Lower Tier REMIC I Marker Interests and (iii)
the aggregate principal amount of the Lower Tier REMIC II Marker Interests and
the Class LTIIX Interest shall equal 50% of the remaining principal balance of
the Mortgage Loans. Allocations in connection with clause (iii) shall be made so
that, to the greatest extent possible, (a) the principal balance of each Lower
Tier REMIC II Marker Interest with "B" at the end of its designation equals
0.05% of the aggregate scheduled principal balance of the Mortgage Loans in
related Mortgage Group, (b) the principal balance of each Lower Tier REMIC II
Marker Interest with "A" at the end of its designation equals 0.05% of the
excess of (x) the aggregate scheduled principal balance of the Mortgage Loans in
related Mortgage Group over (y) the aggregate principal balance of Certificate
Group One in the case of the Class LTII1A Interest, or Certificate Group Two in
the case of the Class LTII2A Interest and (c) any remaining allocations are made
to the Class LTIIX Interest.

     For purposes of this Section 2.07, (i) the Class LTII1A Interest and Class
LTII1B Interest shall be related to Group One, and (ii) the Class LTII2A
Interest and Class LTII2B Interest shall be related to Group Two.

          (i) In the event that any REMIC provided for herein fails to qualify
as a REMIC, loses its status as a REMIC or incurs federal, state or local taxes
as a result of a prohibited transaction or prohibited contribution under the
REMIC Provisions due to the negligent performance by the Servicer or the Special
Servicer, as applicable, of its duties and obligations set forth herein, the
Servicer, or the Special Servicer (as the case may be), shall indemnify the NIMs
Insurer, the Trustee, the Securities Administrator, the Master Servicer and the
Trust Fund against any and all Losses resulting from such negligence; provided,
however, that the Servicer, or the Special Servicer (as the case may be), shall
not be liable for any such Losses attributable to the action or inaction of the
Trustee, the Securities Administrator, the Master Servicer, the Depositor or the
Holder of the residual interest in such REMIC, as applicable, nor for any such
Losses resulting from misinformation provided by the Holder of the residual
interest in such REMIC on which the Servicer has relied. The foregoing shall not
be deemed to limit or restrict the rights and remedies of the Holder of the
residual interest in such REMIC now or hereafter existing at law or in equity.
Notwithstanding the foregoing, however, in no event shall the Servicer, or the
Special Servicer (as the case may be), have any liability (1) for any action or
omission that is taken in accordance with and in compliance with the express
terms of, or which is expressly permitted by the terms of, this Agreement, (2)
for any Losses other than those arising out of a negligent performance by the
Servicer, or the Special Servicer (as the case may be), of its duties and
obligations set forth herein, and (3) for any special or consequential damages
to Certificateholders (in addition to payment of principal and interest on the
Certificates).


                                       -62-

<PAGE>

          (j) In the event that any REMIC provided for herein fails to qualify
as a REMIC, loses its status as a REMIC, or incurs federal, state or local taxes
as a result of a prohibited transaction or prohibited contribution under the
REMIC Provisions due to the negligent performance by the Securities
Administrator of its duties and obligations set forth herein, the Securities
Administrator shall indemnify the NIMs Insurer, the Trustee and the Trust Fund
against any and all Losses resulting from such negligence; provided, however,
that the Securities Administrator shall not be liable for any such Losses
attributable to the action or inaction of the Servicer, the Special Servicer,
the Master Servicer, the Depositor, the Trustee or the Holder of the residual
interest in such REMIC, as applicable, nor for any such Losses resulting from
misinformation provided by the Holder of the residual interest in such REMIC on
which the Securities Administrator has relied. The foregoing shall not be deemed
to limit or restrict the rights and remedies of the Holder of the residual
interest in such REMIC now or hereafter existing at law or in equity.
Notwithstanding the foregoing, however, in no event shall the Securities
Administrator have any liability (1) for any action or omission that is taken in
accordance with and in compliance with the express terms of, or which is
expressly permitted by the terms of, this Agreement, (2) for any Losses other
than those arising out of a negligent performance by the Securities
Administrator of its duties and obligations set forth herein, and (3) for any
special or consequential damages to Certificateholders (in addition to payment
of principal and interest on the Certificates).

     SECTION 2.08. [RESERVED]

     SECTION 2.09. Covenants of the Servicer.

     The Servicer hereby covenants to each of the other parties to this
Agreement as follows:

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

          (b) no written information, certificate of an officer, statement
furnished in writing or written report delivered to the Depositor, the Master
Servicer, the Securities Administrator, the NIMs Insurer or the Trustee, any
affiliate of the Depositor, the Master Servicer, the Securities Administrator,
the NIMs Insurer or the Trustee and prepared by the Servicer pursuant to this
Agreement is inaccurate in any material respect, provided, however, that the
Servicer shall not be responsible for inaccurate information provided to it by
third parties.

     SECTION 2.10. [RESERVED]

     SECTION 2.11. Permitted Activities of the Trust. The Trust is created for
the object and purpose of engaging in the Permitted Activities. In furtherance
of the foregoing, the Securities Administrator is hereby authorized and directed
to execute and deliver on behalf of the Trust, and to perform the duties and
obligations of the Trustee under, the Cap Contracts, an insurance and indemnity
agreement with a NIMs Insurer and any other agreement or instrument related
thereto, in each case in such form as the Depositor shall direct or shall
approve, the execution and delivery of any such agreement by the Depositor to be
conclusive evidence of its approval thereof.

     SECTION 2.12. Qualifying Special Purpose Entity. For purposes of SFAS 140,
the parties hereto intend that the Trust Fund shall be treated as a "qualifying
special purpose entity" as such term is used in SFAS 140 and any successor rule
thereto and its power and authority as stated in Section 2.11 of this Agreement
shall be limited in accordance with paragraph 35 thereof.


                                      -63-

<PAGE>

                                    ARTICLE III

                          ADMINISTRATION AND SERVICING
                                OF MORTGAGE LOANS

     SECTION 3.01. Servicer to Service Mortgage Loans.

     For and on behalf of the Certificateholders, the Servicer shall service and
administer the Mortgage Loans, including without limitation, any powers of
attorney, in accordance with Accepted Servicing Practices. In connection with
such servicing and administration, the Servicer shall have full power and
authority, acting alone and/or through subservicers as provided in Section 3.02
hereof, to do or cause to be done any and all things that it may deem necessary
or desirable in connection with such servicing and administration, including but
not limited to, the power and authority, subject to the terms hereof (i) to
execute and deliver, on behalf of the Certificateholders and the Trustee,
customary consents or waivers and other instruments and documents, (ii) to
consent to transfers of any Mortgaged Property (or the stock allocated to a
dwelling unit related to a Co-op Loan) and assumptions of the Mortgage Notes and
related Mortgages (but only in the manner provided in this Agreement), (iii) to
collect any Insurance Proceeds and other Liquidation Proceeds and (iv) subject
to Section 3.12(a), to effectuate foreclosure or other conversion of the
ownership of the Mortgaged Property (or the stock allocated to a dwelling unit
related to a Co-op Loan) securing any Mortgage Loan; provided that, subject to
Section 6.03, the Servicer shall not take any action that is inconsistent with
or prejudices the interests of the Trust Fund or the Certificateholders in any
Mortgage Loan serviced by it under this Agreement or the rights and interests of
the other parties to this Agreement except as otherwise required by this
Agreement or by law. The Servicer shall not make or permit any modification,
waiver or amendment of any term of any Mortgage Loan which would cause any of
the REMICs provided for herein to fail to qualify as a REMIC or result in the
imposition of any tax under Section 860G(a) or 860G(d) of the Code. The Servicer
shall represent and protect the interest of the Trust Fund in the same manner as
it currently protects its own interest in mortgage loans in its own portfolio in
any claim, proceeding or litigation regarding a Mortgage Loan, but in any case
not in any manner that is a lesser standard than that provided in the first
sentence of this Section 3.01. Without limiting the generality of the foregoing,
the Servicer, in its own name or in the name of the Depositor and the Trustee,
is hereby authorized and empowered by the Depositor and the Trustee, when the
Servicer believes it appropriate in its reasonable judgment, to execute and
deliver, on behalf of the Trustee, the Depositor, the Certificateholders or any
of them, any and all instruments of satisfaction or cancellation, or of partial
or full release or discharge, subordinations and all other comparable
instruments, with respect to the Mortgage Loans, and with respect to the
Mortgaged Properties held for the benefit of the Certificateholders. The
Servicer shall prepare and deliver to the Depositor, the Securities
Administrator and/or the Trustee such documents requiring execution and delivery
by any or all of them as are necessary or appropriate to enable the Servicer to
service and administer the Mortgage Loans, including without limitation, any
powers of attorney. Upon receipt of such documents, the Depositor, the
Securities Administrator and/or the Trustee shall execute such documents and
deliver them to the Servicer. For purposes of this Section 3.01, the Trustee
hereby grants to the Servicer a limited power of attorney to execute and file
any and all documents necessary to fulfill the obligations of the Servicer under
this Section 3.01.

     The Trustee shall deliver Powers of Attorney to the Servicer promptly after
the Closing Date and additional Powers of Attorney promptly after request
therefor by the Servicer.

     In accordance with the standards of the preceding paragraph, the Servicer
shall advance or cause to be advanced funds as necessary for the purpose of
effecting the payment of taxes and assessments on the Mortgaged Properties if
making such advances is reasonably likely to increase net collections for the
Trust after reimbursement of such advances, which advances shall be reimbursable
in the first instance


                                      -64-

<PAGE>

from related collections from the Mortgagors pursuant to Section 3.06, and
further as provided in Section 3.08. To the extent that a Mortgage does not
provide for escrow payments, (i) the Servicer shall determine whether any such
payments are made by the Mortgagor in a manner and at a time that is necessary
to avoid the loss of the Mortgaged Property due to a tax sale or to foreclosure
as a result of a tax lien and (ii) the Servicer shall ensure that all insurance
required to be maintained on the Mortgaged Property pursuant to this Agreement
is maintained. If any such payment has not been made and the Servicer receives
notice of a tax lien being imposed with respect to the Mortgage Loan, the
Servicer will, to the extent required to avoid loss of the Mortgaged Property,
advance or cause to be advanced funds necessary to discharge such lien on the
Mortgaged Property if making such advances is reasonably likely to increase net
collections for the Trust after reimbursement of such advances.

     All costs incurred by the Servicer, if any, in effecting the timely
payments of taxes and assessments on the Mortgaged Properties and related
insurance premiums shall not, for the purpose of calculating monthly
distributions to the Certificateholders, be added to the Stated Principal
Balance under the related Mortgage Loans, notwithstanding that the terms of such
Mortgage Loans so permit.

     In the event that the Mortgage Loan Documents relating to any Mortgage Loan
contain provisions requiring the related Mortgagor to submit to binding
arbitration any disputes arising in connection with such Mortgage Loan, the
Servicer shall be entitled to waive any such provisions on behalf of the Trust
and to send written notice of such waiver to the related Mortgagor, although the
Mortgagor may still require arbitration of such disputes at its option.

     The Servicer shall not be required to make any Servicing Advance with
respect to a Mortgage Loan that is 150 days or more delinquent.

     The Servicer shall have at least 30 days' notice of the appointment of a
NIMs Insurer prior to being required to deliver any notices pursuant to this
Agreement to such NIMs Insurer.

     The Servicer shall deliver a list of Servicing Officers to the Master
Servicer and the Trustee by the Closing Date.

     The Servicer will transmit full-file credit reporting data for each
Mortgage Loan pursuant to Fannie Mae Guide Announcement 97-02 and for each
Mortgage Loan, the Servicer agrees that it shall report one of the following
statuses each month as follows: current, delinquent (30-, 60-, 90-days, etc.),
foreclosed or charged-off.

     The Servicer further is authorized and empowered by the Trustee, on behalf
of the Certificateholders and the Trustee, in its own name or in the name of the
Sub-Servicer, when the Servicer or the Sub-Servicer, as the case may be,
believes it is appropriate in its best judgment to register any Mortgage Loan on
the MERS System, or cause the removal from the registration of any Mortgage Loan
on the MERS System, to execute and deliver, on behalf of the Trustee and the
Certificateholders or any of them, any and all instruments of assignment,
release and other comparable instruments with respect to such assignment,
release or re-recording of a Mortgage in the name of MERS, solely as nominee for
the Trustee and its successors and assigns. Any reasonable expenses incurred in
connection with the actions described in the preceding sentence or as a result
of MERS discontinuing or becoming unable to continue operations in connection
with the MERS System, shall be subject to withdrawal by the Servicer from the
Collection Account (provided that such expenses constitute "unanticipated
expenses" within the meaning of Treasury Regulation Section 1.860G-1(b)(3)(ii)).


                                      -65-

<PAGE>

     In connection with any modification pursuant to this Section and to the
extent there are any unreimbursed Advances or Servicing Advances, the Servicer
shall reimburse itself for such amounts from the Collection Account.

     SECTION 3.02. Servicing and Subservicing; Enforcement of the Obligations of
Servicer.

           (a) The Servicer may arrange for the subservicing of any Mortgage Loan
by a subservicer, which may be an affiliate (each, a "subservicer") pursuant to
a Subservicing Agreement (each, a "Subservicing Agreement"); provided, however,
that (i) such subservicing arrangement and the terms of the related Subservicing
Agreement must provide for the servicing of such Mortgage Loans in a manner
consistent with the servicing arrangements contemplated hereunder, (ii) that
such agreement would not result in a withdrawal or downgrading by any Rating
Agency of the ratings of any Certificates or any of the NIM Notes evidenced by a
letter to that effect delivered by each Rating Agency to the Depositor and the
NIMs Insurer and (iii) the NIMs Insurer shall have consented to such
Subservicing Agreement, which consent shall not be unreasonably withheld.
Notwithstanding the provisions of any Subservicing Agreement, any of the
provisions of this Agreement relating to agreements or arrangements between the
Servicer and a subservicer or reference to actions taken through a subservicer
or otherwise, the Servicer shall remain obligated and liable to the Depositor,
the Securities Administrator, the Master Servicer, the Trustee and the
Certificateholders for the servicing and administration of the Mortgage Loans in
accordance with the provisions of this Agreement without diminution of such
obligation or liability by virtue of such Subservicing Agreements or
arrangements or by virtue of indemnification from the subservicer and to the
same extent and under the same terms and conditions as if the Servicer alone
were servicing and administering the Mortgage Loans. Every Subservicing
Agreement entered into by the Servicer shall contain a provision giving any
successor servicer the option to terminate such agreement, with the consent of
the NIMs Insurer (which consent shall not be unreasonably withheld), in the
event a successor servicer is appointed. All actions of the each subservicer
performed pursuant to the related Subservicing Agreement shall be performed as
an agent of the Servicer with the same force and effect as if performed directly
by the Servicer. The Servicer shall deliver to the NIMs Insurer and the Master
Servicer copies of all Subservicing Agreements. The Trustee, the Master Servicer
and the Securities Administrator shall have no obligations, duties or
liabilities with respect to a subservicer, including, without limitation, any
obligation, duty or liability to monitor such subservicer or to pay a
subservicer's fees and expenses.

          (b) For purposes of this Agreement, the Servicer shall be deemed to
have received any collections, recoveries or payments with respect to the
Mortgage Loans that are received by a subservicer regardless of whether such
payments are remitted by the subservicer to the Servicer.

     SECTION 3.03. Rights of the Depositor, the Securities Administrator, the
Master Servicer and the Trustee in Respect of the Servicer.

     None of the Securities Administrator, the Master Servicer, the Trustee or
the Depositor shall have any responsibility or liability for any action or
failure to act by the Servicer or the Special Servicer, and none of them is
obligated to supervise the performance of the Servicer or the Special Servicer
hereunder or otherwise except, with respect to the Master Servicer, as otherwise
expressly provided herein.

     SECTION 3.04. Master Servicer to Act as Servicer.

     Subject to Sections 6.04, 7.03 and 11.02, in the event that the Servicer
shall, for any reason, no longer be the servicer hereunder (including by reason
of an Event of Default), the Master Servicer or its designee shall, within a
period of time not to exceed ninety (90) days from the date of notice of
termination or resignation, thereupon assume all of the rights and obligations
of the Servicer hereunder


                                      -66-

<PAGE>

        arising thereafter (except that the Master Servicer shall not be (i)
liable for losses of the Servicer pursuant to Section 3.10 hereof or any acts or
omissions of any predecessor servicer hereunder, (ii) obligated to make Advances
if it is prohibited from doing so by applicable law, (iii) obligated to
effectuate repurchases or substitutions of Mortgage Loans hereunder, including
pursuant to Section 2.02 or 2.03 hereof, (iv) responsible for any expenses of
the Servicer pursuant to Section 2.03 or (v) deemed to have made any
representations and warranties hereunder, including pursuant to Section 2.04 or
the first paragraph of Section 6.02 hereof; provided, however that the Master
Servicer (subject to clause (ii) above) or its designee, in its capacity as the
successor servicer, shall immediately assume the Servicer's obligation to make
Advances and Servicing Advances). No such termination or resignation shall
affect any obligation of the Servicer to pay amounts owed under this Agreement
and to perform its duties under this Agreement until its successor assumes all
of its rights and obligations hereunder. If the Servicer shall for any reason no
longer be the servicer (including by reason of any Event of Default), the Master
Servicer (or any other successor servicer) may, at its option, succeed to any
rights and obligations of the Servicer under any subservicing agreement in
accordance with the terms thereof; provided, however, that the Master Servicer
(or any other successor servicer) shall not incur any liability or have any
obligations in its capacity as servicer under a subservicing agreement arising
prior to the date of such succession unless it expressly elects to succeed to
the rights and obligations of the Servicer thereunder; and the Servicer shall
not thereby be relieved of any liability or obligations under the subservicing
agreement arising prior to the date of such succession. To the extent any costs
or expenses, including without limitation Servicing Transfer Costs incurred by
the Master Servicer in connection with this Section 3.04, Article VII or
Section 11.02, are not paid by the Servicer or the Special Servicer, as
applicable, pursuant to this Agreement within 30 days of the date of the
Master Servicer's invoice thereof, such amounts shall be payable out of the
Certificate Account; provided that the terminated servicer shall reimburse the
Trust Fund for any such expense incurred by the Trust Fund upon receipt of a
reasonably detailed invoice evidencing such expenses. If the Master Servicer
is unwilling or unable to act as servicer, the Master Servicer shall seek to
appoint a successor servicer that is eligible in accordance with the criteria
specified in this Agreement and reasonably acceptable to the NIMs Insurer.

     The Servicer shall, upon request of the Master Servicer, but at the expense
of the Servicer, deliver to the assuming party all documents and records
relating to each subservicing agreement and the Mortgage Loans then being
serviced and otherwise use its best efforts to effect the orderly and efficient
transfer of the subservicing agreement to the assuming party.

     Notwithstanding anything to the contrary above, the Trustee and the
Depositor hereby agree that within 10 Business Days of delivery to the Master
Servicer by the Servicing Rights Pledgee of a letter signed by the Servicer
whereby the Servicer shall resign as Servicer under this Agreement, the
Servicing Rights Pledgee or its designee shall be appointed as successor
servicer (provided that at the time of such appointment the Servicing Rights
Pledgee or such designee meets the requirements of a successor servicer set
forth in Section 7.03 of this Agreement and the other requirements of Section
7.03 have been met) and the Servicing Rights Pledgee agrees to be subject to the
terms of this Agreement.

     SECTION 3.05. Collection of Mortgage Loan Payments; Collection Account;
Certificate Account.

          (a) The Servicer shall make reasonable efforts in accordance with
Accepted Servicing Practices to collect all payments called for under the terms
and provisions of the Mortgage Loans to the extent such procedures shall be
consistent with this Agreement and the terms and provisions of any related
Required Insurance Policy. Consistent with the foregoing and subject to Section
3.01, the Servicer may in its discretion (i) waive any late payment charge or,
if applicable, any default interest charge, or (ii) extend the due dates for
payments due on a Mortgage Note for a period not greater than 180 days;
provided, however, that any extension pursuant to clause (ii) above shall not


                                      -67-

<PAGE>

affect the amortization schedule of any Mortgage Loan for purposes of any
computation hereunder, except as provided below; provided, further, that the
NIMs Insurer's prior written consent shall be required for any modification,
waiver or amendment after the Cut-off Date if the aggregate number of
outstanding Mortgage Loans which have been modified, waived or amended exceeds
5% of the number of Mortgage Loans as of the Cut-Off Date. In the event that
servicing of any Mortgage Loan has been transferred from the Servicer to the
Special Servicer pursuant to Section 3.27(a), each of the Servicer and the
Special Servicer will notify the other party with respect to the aggregate
number of Mortgage Loans that have been modified, waived or amended after the
Cut-off Date. In the event of any such arrangement pursuant to clause (ii)
above, subject to Section 4.01, the Servicer shall make any Advances on the
related Mortgage Loan during the scheduled period in accordance with the
amortization schedule of such Mortgage Loan without modification thereof by
reason of such arrangements. Notwithstanding the foregoing, in the event that
any Mortgage Loan is in default or, in the judgment of the Servicer, such
default is reasonably foreseeable, the Servicer, consistent with the standards
set forth in Section 3.01, may also waive, modify or vary any term of such
Mortgage Loan (including modifications that would change the Mortgage Rate,
forgive the payment of principal or interest or extend the final maturity date
of such Mortgage Loan), accept payment from the related Mortgagor of an amount
less than the Stated Principal Balance in final satisfaction of such Mortgage
Loan, or consent to the postponement of strict compliance with any such term or
otherwise grant indulgence to any Mortgagor (any and all such waivers,
modifications, variances, forgiveness of principal or interest, postponements,
or indulgences collectively referred to herein as "forbearance"), provided,
however, that in no event shall the Servicer grant any such forbearance (other
than as permitted by the second sentence of this Section) with respect to any
one Mortgage Loan more than once in any 12 month period or more than three times
over the life of such Mortgage Loan, and provided, further, that in determining
which course of action permitted by this sentence it shall pursue, the Servicer
shall adhere to the standards of Section 3.01. In connection with any
modification pursuant to this Section 3.05(a) and to the extent there are any
unreimbursed Advances, the Servicer shall reimburse itself for such amounts from
the Collection Account.

          (b) The Servicer will not waive any Prepayment Charge or portion
thereof unless, (i) the enforceability thereof shall have been limited by
bankruptcy, insolvency, moratorium, receivership and other similar laws relating
to creditors' rights generally or is otherwise prohibited by law, or (ii) the
collectability thereof shall have been limited due to acceleration in connection
with a foreclosure or other involuntary payment, or (iii) in the Servicer's
reasonable judgment as described in Section 3.01 hereof, (x) such waiver relates
to a default or a reasonably foreseeable default, (y) such waiver would maximize
recovery of total proceeds taking into account the value of such Prepayment
Charge and related Mortgage Loan and (z) doing so is standard and customary in
servicing similar Mortgage Loans (including any waiver of a Prepayment Charge in
connection with a refinancing of a Mortgage Loan that is related to a default or
a reasonably foreseeable default), or (iv) sufficient information is not made
available to enable it to collect the Prepayment Charge. Except as provided in
the preceding sentence, in no event will the Servicer waive a Prepayment Charge
in connection with a refinancing of a Mortgage Loan that is not related to a
default or a reasonably foreseeable default. If the Servicer waives or does not
collect all or a portion of a Prepayment Charge relating to a Principal
Prepayment in full or in part due to any action or omission of the Servicer,
other than as provided above, the Servicer shall deposit the amount of such
Prepayment Charge (or such portion thereof as had been waived for deposit) into
the Collection Account for distribution in accordance with the terms of this
Agreement.

          (c) The Servicer shall not be required to institute or join in
litigation with respect to collection of any payment (whether under a Mortgage,
Mortgage Note or otherwise or against any public or governmental authority with
respect to a taking or condemnation) if it reasonably believes that enforcing
the provision of the Mortgage or other instrument pursuant to which such payment
is required is prohibited by applicable law.


                                      -68-

<PAGE>

          (d) The Servicer shall establish and maintain so long as it is acting
as servicer hereunder, on behalf of the Trustee for the benefit of the
Certificateholders, the Collection Account. The Servicer shall deposit into the
Collection Account, within two Business Days of receipt thereof, in immediately
available funds, the following payments and collections received or made by it
on and after the Cut-Off Date with respect to the Mortgage Loans:

               (i) all payments on account of principal, including Principal
Prepayments, on the Mortgage Loans, other than principal due on the Mortgage
Loans on or prior to the Cut-off Date;

               (ii) all payments on account of interest on the Mortgage Loans
net of the related Servicing Fee permitted under Section 3.15, other than (x)
interest due on the Mortgage Loans on or prior to the Cut-off Date and (y)
Prepayment Interest Excess;

               (iii) all Liquidation Proceeds, other than proceeds to be applied
to the restoration or repair of the Mortgaged Property (or Underlying Mortgaged
Property, in the case of a Co-op Loan) or released to either the Mortgagor or
the holder of a senior lien on the Mortgaged Property (or Underlying Mortgaged
Property, in the case of a Co-op Loan) in accordance with the Servicer's normal
servicing procedures;

                (iv) all Subsequent Recoveries;

               (v) all Compensating Interest;

               (vi) any amount required to be deposited by the Servicer pursuant
to Section 3.05(f) in connection with any losses on Permitted Investments;

                (vii) any amounts required to be deposited by the Servicer
pursuant to Section 3.10 hereof;

               (viii) all Purchase Prices and Substitution Adjustment Amounts;

               (ix) all Advances made by the Servicer pursuant to Section 4.01;

               (x) all Prepayment Charges;

               (xi) all net monthly rental income from REO Properties required
to be deposited by the Servicer pursuant to Section 3.12; and

               (xii) any other amounts required to be deposited hereunder.

     The foregoing requirements for remittance by the Servicer into the
Collection Account shall be exclusive, it being understood and agreed that,
without limiting the generality of the foregoing, all servicing-related fees,
including all late payment charges, insufficient funds charges, customary real
estate referral fees and payments in the nature of assumption fees (i.e. fees
related to the assumption of a Mortgage Loan upon the purchase of the related
Mortgaged Property or stock allocated to a dwelling unit in the case of a Co-op
Loan), modification fees, extension fees and other similar ancillary fees and
charges (other than Prepayment Charges) if collected, and any Prepayment
Interest Excess need not be remitted by the Servicer. Rather, such fees and
charges and similar amounts may be retained by the Servicer as additional
servicing compensation. In the event that the Servicer shall remit any amount
not required to be remitted and not otherwise subject to withdrawal pursuant to
Section 3.08 hereof, it may at any time withdraw or direct the Trustee, or such
other institution maintaining the Collection Account, to


                                      -69-

<PAGE>

withdraw such amount from the Collection Account, any provision herein to the
contrary notwithstanding. The Servicer shall maintain adequate records with
respect to all withdrawals made pursuant to this Section. All funds deposited in
the Collection Account shall be held in trust for the Certificateholders until
withdrawn in accordance with Section 3.08. In no event shall the Trustee, the
Securities Administrator or the Master Servicer incur liability for withdrawals
from the Collection Account at the direction of the Servicer.

     The Servicer shall give notice to the NIMs Insurer, the Master Servicer,
the Securities Administrator and the Trustee of the location of the Collection
Account maintained by it when established and prior to any change thereof. Upon
request, the Servicer shall forward to the NIMs Insurer, and upon request, to
the Securities Administrator, the Master Servicer, the Trustee and the Depositor
the most current available bank statement for the Collection Account. Copies of
such statement shall be provided by the Securities Administrator to any
Certificateholder and to any Person identified to the Securities Administrator
as a prospective transferee of a Certificate, upon request at the expense of the
requesting party, provided such statement is delivered by the Servicer to the
Securities Administrator.

           (e) The Securities Administrator shall establish and maintain, on
behalf of the Certificateholders, the Certificate Account (which may consist of
one or more sub-accounts). The Securities Administrator shall, promptly upon
receipt, deposit or cause to be deposited in the Certificate Account and retain
therein the following:

               (i) the aggregate amount withdrawn by the Servicer from the
Collection Account and required to be deposited in the Certificate Account;

               (ii) any amount required to be deposited by the Securities
Administrator pursuant to Section 3.05(g) in connection with any losses on
Permitted Investments; and

               (iii) the Optional Termination Amount received by the Securities
Administrator pursuant to Section 9.01.

     Any amounts received by the Securities Administrator prior to 1:00 p.m. New
York City time (or such earlier deadline for investment in the Permitted
Investments designated by the Securities Administrator) which are required to be
deposited in the Certificate Account by the Servicer or Master Servicer may be
invested in Permitted Investments on the Business Day on which they were
received. The foregoing requirements for remittance by the Servicer and Master
Servicer and deposit by the Servicer and Master Servicer into the Certificate
Account shall be exclusive. In the event that the Servicer or the Master
Servicer shall remit any amount not required to be remitted and not otherwise
subject to withdrawal pursuant to Section 3.08 hereof, it may at any time
withdraw such amount from the Certificate Account, any provision herein to the
contrary notwithstanding. All funds deposited in the Certificate Account shall
be held by the Securities Administrator in trust for the Certificateholders
until disbursed in accordance with this Agreement or withdrawn in accordance
with Section 3.08. In no event shall the Securities Administrator incur
liability for withdrawals from the Certificate Account at the direction of the
Servicer or the Master Servicer. The Securities Administrator shall give notice
to the NIMs Insurer, the Master Servicer and the Servicer of the location of the
Certificate Account maintained by it when established and prior to any change
thereof.

          (f) Each institution that maintains the Collection Account or the
Certificate Account shall invest the funds in each such account as directed by
the Servicer or the Securities Administrator, as applicable, in writing, in
Permitted Investments, which shall mature not later than (i) in the case of the
Collection Account the Business Day preceding the related Servicer Remittance
Date (except that if such Permitted Investment is an obligation of the
institution that maintains such


                                      -70-

<PAGE>

Collection Account or is otherwise immediately available, then such Permitted
Investment shall mature not later than the Servicer Remittance Date) and (ii) in
the case of the Certificate Account, the Business Day immediately preceding the
first Distribution Date that follows the date of such investment (except that if
such Permitted Investment is an obligation of the institution that maintains
such Certificate Account or is otherwise immediately available, then such
Permitted Investment shall mature not later than such Distribution Date) and, in
each case, shall not be sold or disposed of prior to its maturity. All such
Permitted Investments shall be made in the name of the Servicer, or the
Securities Administrator, as applicable, for the benefit of the
Certificateholders. All income and gain net of any losses realized from amounts
on deposit in the Collection Account shall be for the benefit of the Servicer as
servicing compensation and shall be remitted to it or withdrawn by it monthly as
provided herein. The amount of any losses incurred in the Collection Account in
respect of any such investments shall be deposited by the Servicer in the
Collection Account out of the Servicer's own funds immediately as realized.

          (g) All income and gain net of any losses realized from amounts on
deposit in the Certificate Account shall be for the benefit of the Securities
Administrator. The amount of any losses incurred in the Certificate Account in
respect of any such investments shall be deposited by the Securities
Administrator in the Certificate Account out of the Securities Administrator's
own funds immediately as realized.

     SECTION 3.06. Collection of Taxes, Assessments and Similar Items; Escrow
Accounts.

     To the extent required by the related first lien Mortgage Note, the
Servicer shall establish and maintain one or more accounts (each, an "Escrow
Account") and deposit and retain therein all collections from the Mortgagors (or
advances by the Servicer) for the payment of taxes, assessments, hazard
insurance premiums or comparable items for the account of the Mortgagors.
Nothing herein shall require the Servicer to compel a Mortgagor to establish an
Escrow Account in violation of applicable law.

     Withdrawals of amounts so collected from the Escrow Accounts may be made
only to effect timely payment of taxes, assessments, insurance premiums,
condominium or PUD association dues, or comparable items, to reimburse the
Servicer out of related collections for any payments made pursuant to Sections
3.01 hereof (with respect to taxes, assessments, dues or comparable items and
insurance premiums) and 3.10 hereof (with respect to hazard insurance), to
refund to any Mortgagors any sums as may be determined to be overages, to pay
interest, if required by law or the terms of the related Mortgage or Mortgage
Note, to Mortgagors on balances in the Escrow Account to withdraw funds
deposited in error or amounts previously deposited but returned as unpaid due to
a "not sufficient funds" or other denial by the related Mortgagor's banking
institution or to clear and terminate the Escrow Account at the termination of
this Agreement in accordance with Section 9.01 hereof. The Escrow Accounts shall
not be a part of the Trust Fund.

     SECTION 3.07. Access to Certain Documentation and Information Regarding the
Mortgage Loans.

     Upon reasonable advance notice in writing if required by federal
regulation, the Servicer will provide to each Certificateholder that is a
savings and loan association, bank or insurance company certain reports and
reasonable access to information and documentation regarding the Mortgage Loans
sufficient to permit such Certificateholder to comply with applicable
regulations of the OTS or other regulatory authorities with respect to
investment in the Certificates; provided, that the Servicer shall be entitled to
be reimbursed by each such Certificateholder for actual expenses incurred by the
Servicer in providing such reports and access.


                                      -71-

<PAGE>

     The Special Servicer may from time to time provide the Depositor, and any
person designated by the Depositor, with reports and information regarding the
Mortgage Loans, including without limitation, information requested by the
Depositor or an originator of the Mortgage Loans for required institutional risk
control.

     SECTION 3.08. Permitted Withdrawals from the Collection Account and
Certificate Account.

          (a) The Servicer may from time to time, make withdrawals from the
Collection Account for the following purposes (the order below not constituting
an order of priority):

               (i) to pay to the Servicer (to the extent not previously paid to
or withheld by the Servicer), as servicing compensation in accordance with
Section 3.15, that portion of any payment or recovery of interest on a Mortgage
Loan that equals the Servicing Fee for the period with respect to which such
interest payment or recovery was made or allocated, and, as additional servicing
compensation, those other amounts set forth in Section 3.15;

               (ii) to reimburse the Servicer for Advances made by it (or to
reimburse the Advance Financing Person for Advances made by it) with respect to
the Mortgage Loans, such right of reimbursement pursuant to this subclause (ii)
being limited to amounts received on particular Mortgage Loan(s) (including, for
this purpose, Condemnation Proceeds, Insurance Proceeds, Liquidation Proceeds)
that represent late recoveries of payments of principal and/or interest on such
particular Mortgage Loan(s) in respect of which any such Advance was made;

               (iii) to reimburse the Servicer and the Master Servicer (in its
capacity as successor Servicer) for any Non-Recoverable Advance previously made
and any Non-Recoverable Servicing Advances previously made to the extent that,
in the case of Non-Recoverable Servicing Advances, reimbursement therefor
constitutes "unanticipated expenses" within the meaning of Treasury Regulation
Section 1.860G-1(b)(3)(ii);

               (iv) to pay to the Servicer earnings on or investment income with
respect to funds in or credited to the Collection Account;

               (v) to reimburse the Servicer from Insurance Proceeds for Insured
Expenses covered by the related Insurance Policy;

               (vi) to pay the Servicer any unpaid Servicing Fees and to
reimburse it for any unreimbursed Servicing Advances (to the extent that
reimbursement for Servicing Advances would constitute an "unanticipated expense"
within the meaning of Treasury Regulation Section 1.860G-1(b)(3)(ii)), the
Servicer's ri


 
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