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POOLING AND SERVICING AGREEMENT

Pooling and Servicing Agreement

POOLING AND SERVICING AGREEMENT | Document Parties: TBW MORTGAGE-BACKED TRUST SERIES 2007-1 | MORTGAGE ASSET SECURITIZATION TRANSACTIONS, INC., | UBS REAL ESTATE SECURITIES INC., | WELLS FARGO BANK, N.A., You are currently viewing:
This Pooling and Servicing Agreement involves

TBW MORTGAGE-BACKED TRUST SERIES 2007-1 | MORTGAGE ASSET SECURITIZATION TRANSACTIONS, INC., | UBS REAL ESTATE SECURITIES INC., | WELLS FARGO BANK, N.A.,

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Title: POOLING AND SERVICING AGREEMENT
Governing Law: New York     Date: 3/14/2007

POOLING AND SERVICING AGREEMENT, Parties: tbw mortgage-backed trust series 2007-1 , mortgage asset securitization transactions  inc.  , ubs real estate securities inc.  , wells fargo bank  n.a.
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                                                                   Exhibit 4.1

                                                                Execution Copy


               MORTGAGE ASSET SECURITIZATION TRANSACTIONS, INC.,
                                    Depositor



                       UBS REAL ESTATE SECURITIES INC.,
                                  Transferor



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



                              THE BANK OF NEW YORK
                                    Trustee


--------------------------------------------------------------------------------

                        POOLING AND SERVICING AGREEMENT
                         Dated as of February 1, 2007

--------------------------------------------------------------------------------


                       TBW MORTGAGE-BACKED TRUST 2007-1


               MORTGAGE PASS-THROUGH CERTIFICATES, Series 2007-1


<PAGE>

                                TABLE OF CONTENTS

<TABLE>
<S>                                                                                                              <C>
ARTICLE I DEFINITIONS............................................................................................11

     Section 1.01.     Definitions................................................................................11
     Section 1.02.     Certain Calculations.......................................................................44
     Section 1.03.     Rights of the NIMS Insurer.................................................................44

ARTICLE II CONVEYANCE OF MORTGAGE LOANS; REPRESENTATIONS AND WARRANTIES..........................................45

     Section 2.01.     Conveyance of Mortgage Loans...............................................................45
     Section 2.02.     Acceptance by Trustee of the Mortgage Loans................................................49
     Section 2.03.     Remedies for Breaches of Representations and Warranties....................................51
     Section 2.04.     Representations and Warranties of the Depositor as to the Mortgage Loans...................53
     Section 2.05.     [Reserved].................................................................................53
     Section 2.06.     Execution and Delivery of Certificates.....................................................53
     Section 2.07.     REMIC Matters..............................................................................54
     Section 2.08.     Covenants of the Master Servicer...........................................................54
     Section 2.09.     Representations and Warranties of the Master Servicer......................................54

ARTICLE III ADMINISTRATION AND MASTER SERVICING OF MORTGAGE LOANS................................................56

     Section 3.01.     Master Servicing of Mortgage Loans.........................................................56
     Section 3.02.     Monitoring of Servicer.....................................................................56
     Section 3.03.     [Reserved].................................................................................58
     Section 3.04.     Rights of the Depositor and the Trustee in Respect of the Master Servicer..................58
     Section 3.05.     Trustee to Act as Master Servicer..........................................................58
     Section 3.06.     Protected Accounts.........................................................................59
     Section 3.07.     Collection of Mortgage Loan Payments; Collection Account; Distribution Account;
                      Class A-1 Cap Account; Class A-2 Cap Account; Class P Reserve Fund.........................60
     Section 3.08.     Collection of Taxes, Assessments and Similar Items; Escrow Accounts........................64
     Section 3.09.     Access to Certain Documentation and Information Regarding the Mortgage Loans...............64
     Section 3.10.     Permitted Withdrawals from the Collection Account, the Distribution Account the
                      Class A-1 Cap Account and the Class A-2 Cap Account and the Class P Reserve Fund...........65
     Section 3.11.     Maintenance of Hazard Insurance............................................................67
     Section 3.12.     Presentment of Claims and Collection of Proceeds...........................................68
     Section 3.13.     Maintenance of the Primary Insurance Policies..............................................68
     Section 3.14.     Realization upon Defaulted Mortgage Loans..................................................69
     Section 3.15.     REO Property...............................................................................69
      Section 3.16.     Due on Sale Clauses; Assumption Agreements.................................................70
</TABLE>

                                      i
<PAGE>
<TABLE>
<S>           <C>                                                                                                  <C>
     Section 3.17.     Trustee to Cooperate; Release of Mortgage Files............................................70
     Section 3.18.     Documents, Records and Funds in Possession of the Master Servicer and the
                       Custodian to Be Held for the Trustee.......................................................71
     Section 3.19.     Master Servicing Compensation..............................................................72
     Section 3.20.     Access to Certain Documentation............................................................72
     Section 3.21.     Annual Statement as to Compliance..........................................................72
     Section 3.22.     Report on Assessment of Compliance and Attestation.........................................73
     Section 3.23.     Errors and Omissions Insurance; Fidelity Bonds.............................................76
     Section 3.24.     Class A-1 Cap Contract and the Class A-2 Cap Contract......................................76

ARTICLE IV DISTRIBUTIONS AND SERVICING ADVANCES..................................................................76

     Section 4.01.     Advances...................................................................................76
     Section 4.02.     Priorities of Distributions on the Certificates............................................77
     Section 4.03.     No Loss Allocation/Sequential Pay Trigger..................................................81
     Section 4.04.     Distribution Date Statements to Certificateholders.........................................82
     Section 4.05.     [Reserved].................................................................................85
     Section 4.06.     Supplemental Interest Trust................................................................85
     Section 4.07.     Distributions from the Class A-1 Cap Account and the Class A-2 Cap Account.................85
     Section 4.08.     Determination of LIBOR.....................................................................87

ARTICLE V THE CERTIFICATES.......................................................................................89

     Section 5.01.     The Certificates...........................................................................89
     Section 5.02.     Certificate Register; Registration of Transfer and Exchange of Certificates................90
     Section 5.03.     Mutilated, Destroyed, Lost or Stolen Certificates..........................................95
     Section 5.04.     Persons Deemed Owners......................................................................95
     Section 5.05.     Access to List of Certificateholders' Names and Addresses..................................96
     Section 5.06.     Maintenance of Office or Agency............................................................96

ARTICLE VI THE DEPOSITOR AND THE MASTER SERVICER.................................................................96

     Section 6.01.     Respective Liabilities of the Depositor and the Master Servicer............................96
     Section 6.02.     Merger or Consolidation of the Depositor and the Master Servicer...........................96
     Section 6.03.     Limitation on Liability of the Depositor, the NIMS Insurer, the Transferor, the
                      Master Servicer, the Trustee and Others....................................................97
     Section 6.04.     Limitation on Resignation of Master Servicer...............................................98
     Section 6.05.     Sale and Assignment of Master Servicing Rights.............................................98

ARTICLE VII DEFAULT..............................................................................................99

     Section 7.01.     Events of Default..........................................................................99
     Section 7.02.     Trustee to Act; Appointment of Successor..................................................101
     Section 7.03.     Notification to Certificateholders........................................................102

ARTICLE VIII CONCERNING THE TRUSTEE AND THE MASTER SERVICER.....................................................102

     Section 8.01.     Duties of Trustee.........................................................................102
     Section 8.02.     Certain Matters Affecting the Trustee.....................................................104
     Section 8.03.     Trustee Not Liable for Certificates or Mortgage Loans.....................................106
</TABLE>

                                      ii
<PAGE>
<TABLE>
<S>           <C>                                                                                                <C>
     Section 8.04.     Trustee May Own Certificates..............................................................106
     Section 8.05.     Trustee's Fees and Expenses...............................................................106
     Section 8.06.     Eligibility Requirements for Trustee......................................................107
     Section 8.07.     Resignation and Removal of Trustee........................................................107
     Section 8.08.     Successor Trustee.........................................................................108
     Section 8.09.     Merger or Consolidation of Trustee........................................................109
     Section 8.10.     Appointment of Co-Trustee or Separate Trustee.............................................109

ARTICLE IX CONCERNING THE TRUST ADMINISTRATOR...................................................................110

     Section 9.01.     Duties of Trust Administrator.............................................................110
     Section 9.02.     Certain Matters Affecting the Trust Administrator.........................................111
     Section 9.03.     Trust Administrator Not Liable for Certificates or Mortgage Loans.........................113
     Section 9.04.     Trust Administrator May Own Certificates..................................................113
     Section 9.05.     Trust Administrator's Fees and Expenses...................................................113
     Section 9.06.     Eligibility Requirements for Trust Administrator..........................................114
     Section 9.07.     Resignation and Removal of Trust Administrator............................................115
     Section 9.08.     Successor Trust Administrator.............................................................116
     Section 9.09.     Merger or Consolidation of Trust Administrator............................................117
     Section 9.10.     [Reserved]................................................................................117
     Section 9.11.     Tax Matters...............................................................................117
     Section 9.12.     Periodic Filing...........................................................................120

ARTICLE X TERMINATION...........................................................................................127

     Section 10.01.    Termination upon Liquidation or Purchase of Mortgage Loans................................127
     Section 10.02.    Additional Termination Requirements.......................................................131

ARTICLE XI MISCELLANEOUS PROVISIONS.............................................................................132

     Section 11.01.    Amendment.................................................................................132
     Section 11.02.    Recordation of Agreement; Counterparts....................................................134
     Section 11.03.    Governing Law.............................................................................134
     Section 11.04.    Intention of Parties......................................................................134
     Section 11.05.    Notices...................................................................................135
     Section 11.06.    Severability of Provisions................................................................136
     Section 11.07.    Assignment................................................................................136
     Section 11.08.    Limitation on Rights of Certificateholders................................................136
     Section 11.09.    Inspection and Audit Rights...............................................................137
     Section 11.10.    Certificates Nonassessable and Fully Paid.................................................137
     Section 11.11.    Compliance With Regulation AB.............................................................138
     Section 11.12.    Third Party Rights........................................................................138

ARTICLE XII CERTAIN MATTERS REGARDING THE CERTIFICATE INSURER...................................................138

     Section 12.01.    Exercise of Voting Rights of Holder of the Insured Certificates...........................138
     Section 12.02.    Trustee and Trust Administrator to Act Solely with Consent of Class A-7A
                      Certificate Insurer.......................................................................138
     Section 12.03.    Trust Fund and Accounts Held for Benefit of Class A-7A Certificate Insurer................139
</TABLE>


                                  iii
<PAGE>
<TABLE>
<S>                  <C>                                                                                        <C>
     Section 12.04.    Claims Upon the Class A-7A Certificate Insurance Policy; Policy Payments Account..........139
     Section 12.05.    Effect of Payments by Class A-7A Certificate Insurer; Subrogation.........................143
     Section 12.06.    Trust Administrator to Hold the Class A-7A Certificate Insurance Policy...................143
     Section 12.07.    Termination of Certain of Class A-7A Certificate Insurer's Rights.........................144
     Section 12.08.     Survival of Indemnification...............................................................144


                                   SCHEDULES

Schedule I                  Mortgage Loan Schedule
Schedule II                 Representations and Warranties as to the Mortgage Loans
Schedule III-A              Class A-1 Cap Contract Schedule
Schedule III-B              Class A-2 Cap Contract Schedule
Schedule IV                 Class P Prepayment Charges Mortgage Loan Schedule


                                   EXHIBITS

Exhibit A:             Form of Senior Certificate                                                                 A-1
Exhibit B:             Form of Mezzanine Certificate                                                              B-1
Exhibit C:              [Reserved]                                                                                 C-1
Exhibit D-1:           Form of Class C Certificate                                                              D-1-1
Exhibit D-2:           Form of Class P Certificate                                                              D-2-1
Exhibit D-3:           Form of Class R Certificate                                                              D-3-1
Exhibit E-1:           [Reserved]                                                                                E-1-1
Exhibit E-2:           [Reserved]                                                                               E-2-1
Exhibit F:             Form of Reverse of Certificates                                                             F-1
Exhibit G:             [Reserved]                                                                                 G-1
Exhibit H:             [Reserved]                                                                                 H-1
Exhibit I:             Form of Class R Transfer Affidavit                                                         I-1
Exhibit J:             Form of Transferor Certificate                                                             J-1
Exhibit K:             Form of Investment Letter (Non Rule 144A)                                                  K-1
Exhibit L:             Form of Rule 144A Letter                                                                   L-1
Exhibit M:             Form of Request for Release of Documents                                                   M-1
Exhibit N:             Form of Sarbanes-Oxley Certification                                                       N-1
Exhibit O-1:           Form of Class A-1 Cap Contract                                                            O-1-1
Exhibit O-2:           Form of Class A-2 Cap Contract                                                           O-2-1
Exhibit P:             [Reserved]                                                                                  P-1
Exhibit Q:             Form of Assessment of Compliance                                                           Q-1
Exhibit R:             [Reserved]                                                                                 R-1
Exhibit S:             Additional Disclosure Notification                                                         S-1
Exhibit T:             Additional Form 10-D Disclosure                                                            T-1
Exhibit U:             Additional Form 10-K Disclosure                                                            U-1
Exhibit V:             Form 8-K Disclosure Information                                                            V-1
</TABLE>


                                      iv
<PAGE>

<TABLE>
<S>                                                                                                                <C>
Exhibit W:             [Reserved]                                                                                 W-1
Exhibit X:             Assessments of Compliance and Attestation Reports Servicing Criteria                       X-1
</TABLE>

                                      v

<PAGE>

      THIS POOLING AND SERVICING AGREEMENT, dated as of February 1, 2007,
among MORTGAGE ASSET SECURITIZATION TRANSACTIONS, INC., a Delaware
corporation, as depositor (the "Depositor"), UBS REAL ESTATE SECURITIES INC.,
a Delaware corporation, as transferor (the "Transferor"), WELLS FARGO BANK,
N.A., a national banking association ("Wells Fargo"), as master servicer (in
such capacity, the "Master Servicer"), and as trust administrator (in such
capacity, the "Trust Administrator") and THE BANK OF NEW YORK, a New York
banking corporation organized under the laws of New York, as trustee (in such
capacity, the "Trustee").

                          W I T N E S S E T H   T H A T

      In consideration of the mutual agreements herein contained, the parties
hereto agree as follows:

                             PRELIMINARY STATEMENT

      The Depositor is the owner of the Trust Fund that is hereby conveyed to
the Trustee in return for the Certificates. The Trust Fund is being conveyed
to the Trustee to create a trust for the benefit of the Certificateholders. As
provided herein, the Trustee shall elect that the Trust Fund (exclusive of (i)
the right to receive and the obligation to pay Net Rate Carryover to the
extent such amounts would result in the payment of interest reflecting an
interest rate exceeding the REMIC Maximum Rate, (ii) the Class A-1 Cap
Contract and the Class A-2 Cap Contract (iii) the Carryover Reserve Account,
the Class A-1 Cap Account and the Class A-2 Cap Account, and (iv) the
Supplemental Interest Trust (collectively, the "Excluded Trust Assets")) be
treated for federal income tax purposes as comprising two real estate mortgage
investment conduits under Section 860D of the Code (each a "REMIC" or, in the
alternative the "Subsidiary REMIC," and the "Master REMIC"). Any
inconsistencies or ambiguities in this Agreement or in the administration of
this Agreement shall be resolved in a manner that preserves the validity of
such REMIC elections.


      Each Certificate, other than the Class R Certificates, represents
ownership of a regular interest in the Master REMIC for purposes of the REMIC
Provisions. In addition, each Certificate, other than the Class R, Class P and
Class C Certificates, represents the right to receive certain payments
reflecting an interest rate greater than the REMIC Maximum Rate to the extent
provided herein. The Class R Certificate represents ownership of the sole
Class of residual interest in each of the Subsidiary REMIC (the SR-R Interest)
and the Master REMIC (the M-R Interest) for purposes of the REMIC Provisions.

      The Master REMIC shall hold as its assets the uncertificated interests
in the Subsidiary REMIC, other than the SR-R interest. The Subsidiary REMIC
shall hold as its assets the property of the Trust Fund other than the
Excluded Trust Assets.

      The startup day for each REMIC created hereby for purposes of the REMIC
Provisions is the Closing Date. In addition, for purposes of the REMIC
Provisions, the latest possible maturity date for each regular interest in
each REMIC created hereby is the Latest Possible Maturity Date.



                                       6
<PAGE>

Subsidiary REMIC:

      The following table sets forth the designations, principal balances and
interest rates for each interest in the Subsidiary REMIC, each of which (other
than the SR-R interest) is hereby designated as a regular interest in the
Subsidiary REMIC (the "Subsidiary REMIC Regular Interests"):

                                                                   Corresponding
                                               Initial                Class of
Designation         Interest Rate           Principal Amount          Certificates
-----------         -------------           ----------------          ------------
SR-A-1                   (1)                       (2)                     A-1
SR-A-2                   (1)                        (2)                     A-2
SR-A-3                   (1)                       (2)                     A-3
SR-A-4                   (1)                       (2)                     A-4
SR-A-5                   (1)                       (2)                      A-5
SR-A-6                   (1)                       (2)                     A-6
SR-A-7A                  (1)                       (2)                    A-7A
SR-A-7B                  (1)                       (2)                    A-7B
SR-A-8                    (1)                       (2)                     A-8
SR-M-1                   (1)                       (2)                     M-1
SR-M-2                   (1)                       (2)                     M-2
SR-M-3                   (1)                        (2)                     M-3
SR-M-4                   (1)                       (2)                     M-4
SR-M-5                   (1)                       (2)                     M-5
SR-M-6                   (1)                       (2)                      M-6
SR-M-7                   (1)                       (2)                     M-7
SR-M-8                   (1)                       (2)                     M-8
SR-M-9                   (1)                       (2)                     M-9
SR-Q                      (1)                       (3)                     N/A
SR-R                     (4)                       (4)                     N/A
SR-P                     (5)                      $100                      P
____________    __
(1)    The interest rate with respect to any Distribution Date (and the related
      Accrual Period) for each of these Subsidiary REMIC Regular Interests is
      a per annum rate equal to the Net WAC.
(2)    This interest shall have an initial principal balance equal to one half
       of the Original Certificate Principal Balance of its Corresponding Class
      of Certificates.
(3)    This interest shall have an initial principal balance amount equal to
      the excess of (i) the aggregate Pool Balance as of the Cut-off Date,
      over (ii) the aggregate initial class principal amount of each other
      regular interest in the Subsidiary REMIC (other than the Class SR-P
      interest).
(4)    The SR-R Interest is the sole Class of residual interest in the
      Subsidiary REMIC. It does not have an interest rate or a principal
      balance.
(5)    The Class SR-P Interest is entitled to the Class P Prepayment Charges
      collected with respect to the Mortgage Loans.

      On each Distribution Date, interest shall be distributed on the
interests in the Subsidiary REMIC based on the above-described interest rates,
except that interest shall be deferred on the SR-Q Interest to the extent
necessary to make the principal distributions described below.



                                       7
<PAGE>

      On each Distribution Date, principal shall be distributed, and Realized
Losses shall be allocated, among the interests in the Subsidiary REMIC as
follows:

            (i)    first, concurrently to each Subsidiary REMIC Regular
                   Interest with a Corresponding Class of Certificates until
                  the principal balance of each such Subsidiary REMIC Regular
                  Interest equals 50% of the Class Principal Balance of the
                  Corresponding Class of Certificates for immediately after
                  such Distribution Date; and

            (ii)   second, to the SR-Q Interest.

      On each Distribution Date, the Trust Administrator shall distribute the
Class P Prepayment Charges with respect to the Mortgage Loans to the SR-P
Interest.

Master REMIC

      The following table sets forth the designations, principal balances and
interest rates for each interest in the Master REMIC, each of which (other
than the MR-R interest) is hereby designated as a regular interest in the
Master REMIC (the "Master REMIC Regular Interests"):

<TABLE>
<CAPTION>
                                                                Initial Aggregate              Latest Possible
      Designation            Pass-Through Rate(6)         Certificate Principal Balance ($)      Maturity Date(1)
      -----------            --------------------         ---------------------------------      ----------------
<S>                            <C>                                  <C>                          <C>
       Class A-1                Variable(2)                          284,586,000                  March 25, 2037
       Class A-2                Variable(2)                           86,219,000                  March 25, 2037
       Class A-3                    5.88%(3)                           70,445,000                  March 25, 2037
       Class A-4                   5.95%(3)                           58,039,000                  March 25, 2037
       Class A-5                   5.95%(3)                            34,583,000                  March 25, 2037
       Class A-6                   6.12%(3)                           38,205,000                  March 25, 2037
      Class A-7A                   6.11%(3)                           38,693,000                   March 25, 2037
      Class A-7B                   6.39%(3)                            7,458,000                  March 25, 2037
       Class A-8                   5.80%(3)                           73,537,000                  March 25, 2037
       Class M-1                   6.17%(3)                           13,303,000                  March 25, 2037
       Class M-2                   6.22%(3)                            7,021,000                  March 25, 2037
       Class M-3                   6.27%(3)                             4,803,000                  March 25, 2037
       Class M-4                   6.40%(3)                            4,434,000                  March 25, 2037
       Class M-5                   6.40%(3)                            2,586,000                   March 25, 2037
       Class M-6                   6.40%(3)                            2,586,000                  March 25, 2037
       Class M-7                   6.40%(3)                            2,586,000                  March 25, 2037
       Class M-8                   6.40%(3)                            2,586,000                  March 25, 2037
       Class M-9                   6.40%(3)                            3,695,000                  March 25, 2037
        Class C                      (4)                                       (4)                 March 25, 2037
        Class P                     N/A(5)                                  $100                  March 25, 2037
       Class M-R                     (7)                                      (7)                  N/A
</TABLE>
___________________
(1)    For purposes of Section 1.860G-1(a)(4)(iii) of the Treasury regulations,
      the Latest Possible Maturity Date has been designated as the "latest
      possible maturity date" for each Class of Certificates.



                                      8
<PAGE>

(2)    The Pass-Through Rate on any Distribution Date with respect to the Class
      A-1 and Class A-2 Certificates will be a per annum rate equal to the
      lesser of (i) One Month LIBOR for the related Accrual Period plus the
      related Certificate Margin for that Distribution Date and (ii) the
      related Net Rate Cap.
(3)    The Pass-Through Rate on any Distribution Date with respect to the Class
      A-3, Class A-4, Class A-5, Class A-6, Class A-7A, Class A-7B, Class A-8,
      Class M-1, Class M-2, Class M-3, Class M-4, Class M-5, Class M-6, Class
      M-7, Class M-8 and Class M-9 Certificates will be a per annum rate equal
      to the lesser of (i) the fixed rate for the related Accrual Period and
      (ii) the related Net Rate Cap. After the first possible optional
      termination date, if the optional termination is not exercised, the
      fixed rate for each class of certificates will increase by 0.50%.
(4)    The Class C Certificates will accrue interest at its variable
      Pass-Through Rate on the Notional Amount of the Class C Certificates
      outstanding from time to time. For purposes of the REMIC Provisions,
      Class C Certificates shall have an initial principal balance of
      $3,700,605.00. For each Distribution Date the Class CF Certificates are
      entitled to an amount equal to a specified portion of the interest
      payable on the Subsidiary REMIC Regular Interests (other than the SR-P
      Interests) equal to the excess of the Net WAC over the product of two
      and the weighted average interest rate of the Subsidiary REMIC Regular
      Interests (other than the SR-P Interests) with each such Class other
      than the SR-Q Subsidiary REMIC Interest, subject to a cap equal to the
      Pass-Through Rate of the Corresponding Master REMIC Class and the SR-Q
      Subsidiary REMIC Regular Interest subject to a cap of 0.00%. The
      Pass-Through Rate of the Class C Certificates shall be a rate sufficient
      to entitle it to an amount equal to all interest accrued on the Mortgage
      Loans less the interest accrued on the other Master REMIC Interests. The
      Class C distribution for any Distribution Date is payable from current
      interest on the Mortgage Loans and any related overcollateralization
      reduction for that Distribution Date.
(5)    The Class P Certificates will not accrue interest. The Class P
      Certificates shall be entitled to all amounts payable with respect to
      the Class SR-P Subsidiary REMIC Interest.
(6)    For purposes of the REMIC Provisions, the maximum rate of interest
      payable on the regular interest evidenced by this Certificate shall not
      exceed the REMIC Maximum Rate.
(7)    The M-R Interest is the sole Class of residual interest in the Master
      REMIC. It does not have an interest rate or a principal balance.

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

      Set forth below are designations of Classes of Certificates to the
categories used herein:

<TABLE>
<S>                                          <C>
Adjustable Rate Certificates............      The Class A-1 and Class A-2 Certificates.
Book-Entry Certificates.................      All Classes of Offered Certificates.
ERISA-Restricted Certificates...........      The Private Certificates, the Residual Certificates and, in
                                             general, any Certificates that do not satisfy the applicable
                                             ratings requirement under the Underwriter's Exemption, upon
                                             its acquisition.

ERISA-Restricted Cap Certificates.......      The Offered Certificates.
Fixed Rate Certificates.................      The Class A-3, Class A-4, Class A-5, Class A-6, Class A-7A,
                                             Class A-7B, Class A-8 Certificates and the Mezzanine
                                              Certificates.
Mezzanine Certificates..................      The Class M-1, Class M-2, Class M-3, Class M-4, Class M-5,
                                             Class M-6, Class M-7, Class M-8 and Class M-9 Certificates.
Offered Certificates....................      The Senior Certificates and Mezzanine Certificates.
</TABLE>

                                      9
<PAGE>
<TABLE>
<S>                                           <C>
Physical Certificates...................      The Class M-5, Class M-6, Class M-7, Class M-8 and Class M-9
                                             Certificates, the Class C Certificates, the Class P
                                             Certificates and the Residual Certificates.
Private Certificates....................      The Class P Certificates and Class C Certificates.
Rating Agencies.........................      Moody's and S&P.
Regular Certificates....................      All Classes of Certificates, other than the Residual
                                              Certificates.
Residual Certificates...................      The Class R Certificates.
Senior Certificates.....................      The Class A-1, Class A-2, Class A-3, Class A-4, Class A-5,
                                              Class A-6, Class A-7A, Class A-7B and Class A-8 Certificates.
Subordinate Certificates................      The Mezzanine Certificates and the Class C Certificates.
</TABLE>

      Defined terms and provisions herein relating to statistical rating
agencies not designated above as Rating Agencies shall be of no force or
effect.




                                      10
<PAGE>




                                  ARTICLE I

                                  DEFINITIONS

Section 1.01. Definitions.

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

          10-K Filing Deadline: As defined in Section 9.12.


          Account Property: All amounts and investments held from time to time
in a Securities Account (whether in the form of deposit accounts, physical
property, book-entry securities, uncertificated securities, securities
entitlements, investment property or otherwise), and all proceeds of the
foregoing.

          Accountant's Attestation: As defined in Section 3.22(b)(i).

          Accrual Period: With respect to any Distribution Date and the Fixed
Rate Certificates, the calendar month preceding the month in which such
Distribution Date occurs (calculated on a 30/360 day basis). With respect to
the first Distribution Date and the Adjustable Rate Certificates, the period
from the Closing Date to (but excluding) the first Distribution Date
(calculated on an actual/360 day basis). With respect to each Distribution
Date thereafter and the Adjustable Rate Certificates, from the prior
Distribution Date to (but excluding) the current Distribution Date (calculated
on an actual/360 day basis).

          Additional Disclosure Notification: As set forth in Exhibit S.

          Additional Form 10-D Disclosure: As defined in Section 9.12(a)(i).

          Additional Form 10-K Disclosure: As defined in Section 9.12(b)(i).

          Adjusted WAC: For any Distribution Date (and the related Accrual
Period), an amount equal to (i) two, multiplied by (ii) the weighted average
of the interest rates for such Distribution Date for the Subsidiary REMIC
Regular Interests (other than any interest only regular interest), weighted in
proportion to their class principal amounts as of the beginning of the related
Accrual Period and computed by subjecting the rate on each Subsidiary REMIC
Regular Interest that does not correspond to a Class of Certificates to a cap
of 0.00%, and by subjecting the rate on each remaining such Subsidiary REMIC
Regular Interest to a cap that corresponds to the Pass-Through Rate for the
Corresponding Class of Certificates, provided, however, that for each Class of
Adjustable Rate Certificates, the Pass-Through Rate shall be multiplied by an
amount equal to (a) the actual number of days in the Accrual Period, divided
by (b) 30.



                                      11
<PAGE>

          Advance: An advance of principal or interest required to be made by
the Servicer pursuant to the Servicing Agreement or required to be made by the
Master Servicer with respect to any Distribution Date pursuant to Section
4.01.

          Affiliate: When used with reference to a specified Person, another
Person that (i) directly or indirectly controls or is controlled by or is
under common control with the specified Person, (ii) is an officer of, partner
in or trustee of, or serves in a similar capacity with respect to, the
specified Person or of which the specified Person is an officer, partner or
trustee, or with respect to which the specified Person serves in a similar
capacity, or (iii) directly or indirectly is the beneficial owner of 10% or
more of any class of equity securities of the specified Person or of which the
specified Person is directly or indirectly the owner of 10% or more of any
class of equity securities.

          Agreement: This Pooling and Servicing Agreement and all amendments
or supplements hereto.

          Allocated Realized Loss Amount: With respect to any Distribution
Date, the amount, if any, by which the aggregate Class Principal Balance of
all Classes of Certificates (after all distributions of principal on such
Distribution Date) exceeds the aggregate Stated Principal Balance of the
Mortgage Loans as of the Due Date in the month of such Distribution Date.

          Amount Held for Future Distribution: As to any related Distribution
Date and any Mortgage Loan, the aggregate amount held in the Collection
Account at the close of business on the related Servicer Remittance Date with
respect to such Mortgage Loan at the close of business on the related Servicer
Remittance Date on account of (i) Principal Prepayments received after the
related Prepayment Period and Liquidation Proceeds and Insurance Proceeds
received in the month of such Distribution Date and (ii) all Scheduled
Payments due after the related Due Date.

          Annual Statement of Compliance: As defined in Section 3.21(a).

          Appraised Value: With respect to any Mortgage Loan, the Appraised
Value of the related Mortgaged Property shall be: (i) with respect to a
Mortgage Loan other than a Refinancing Mortgage Loan, the lesser of (a) the
value of the Mortgaged Property based upon the appraisal made at the time of
the origination of such Mortgage Loan and (b) the sales price of the Mortgaged
Property at the time of the origination of such Mortgage Loan; and (ii) with
respect to a Refinancing Mortgage Loan, the value of the Mortgaged Property
based upon the appraisal made at the time of the origination of such
Refinancing Mortgage Loan as modified by an updated appraisal.

          Assessment of Compliance: As defined in Section 3.22(a)(i).

          Assignment: An individual assignment of a Mortgage, notice of
transfer or equivalent instrument in recordable form, sufficient under the
laws of the jurisdiction wherein the related Mortgaged Property is located to
reflect of record the sale or transfer of the Mortgage Loan.



                                      12
<PAGE>

          Assignment Agreement: The Reconstituted Servicing Agreement, dated
as of February 27, 2007, between TBW and the Depositor, whereby the Servicing
Agreement with respect to the Mortgage Loans was assigned to the Depositor and
the Trustee for the benefit of the Certificateholders and the Class A-7A
Certificate Insurer.

          Assignment of Proprietary Lease: With respect to a Cooperative
Mortgage Loan, the assignment or mortgage of the related Proprietary Lease
from the Mortgagor to the originator of the Cooperative Mortgage Loan.

          Auction Initiator: The Class C Certificateholder; provided, that if
the Class C Certificateholder has not exercised its rights to initiate an
auction under Section 10.01 on any date on which the Class C Certificateholder
is entitled to do so, and the Master Servicer has not exercised its
termination rights under Section 10.01 on any date on which the Master
Servicer is entitled to do so, the Auction Initiator shall be the Class A-7A
Certificate Insurer.

          Auction Date: As defined in Section 10.01(b).

           Auction Purchaser: As defined in Section 10.01(b).

          Auction Sale Price: As defined in Section 10.01(b).

          Available Funds: As to any Distribution Date, the sum of (a) the
Interest Remittance Amount for that Distribution Date and (b) the Principal
Remittance Amount for that Distribution Date.

          Bankruptcy Code: The United States Bankruptcy Reform Act of 1978, as
amended.

          Basic Principal Distribution Amount: With respect to each
Distribution Date, the lesser of:

          (a) the aggregate Class Principal Balance of the Senior and
Mezzanine Certificates immediately prior to such Distribution Date, and

          (b) the excess, if any, of (a) the Principal Remittance Amount for
such Distribution Date over (b) the Overcollateralization Release Amount for
such Distribution Date.

          Book-Entry Certificates: As specified in the Preliminary Statement.

          Business Day: Any day other than (i) a Saturday or a Sunday or (ii)
a day on which banking institutions in the City of New York, New York,
Minnesota, Maryland, or any city in which the Corporate Trust Office of the
Trustee or Trust Administrator is located are authorized or obligated by law
or executive order to be closed.

          Carryover Reserve Fund: The separate Eligible Account created and
initially maintained by the Trust Administrator pursuant to Section 4.09 in
the name of the Trust Administrator for the benefit of the Certificateholders
and designated "Wells Fargo Bank, N.A., for the benefit of The Bank of New
York, in trust for the registered Holders of TBW Mortgage-

                                      13
<PAGE>


Banked Trust 2007-1, Mortgage Pass-Through Certificates, Series 2007-1." Funds
in the Carryover Reserve Fund shall be held in trust for the
Certificateholders for the uses and purposes set forth in this Agreement.

          Certificate: Any one of the Certificates executed by the Trust
Administrator on behalf of the Trust and authenticated by the Trust
Administrator in substantially the forms attached hereto as Exhibits A through
F.

          Certificate Margin: The certificate margin with respect to each
Class of Adjustable Rate Certificates will be as set forth below:

                                                Margin
         Class                        (1)                       (2)
        -----                        ---                       ---
        A-1                          0.09%                    0.18%
        A-2                          0.15%                    0.30%

          (1) For each Distribution Date through and including the Optional
Termination Date.

          (2) For each Distribution Date after the Optional Termination Date.

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

          Certificate Principal Balance: With respect to any Certificate
(other than the Class C Certificates) at any date, the maximum dollar amount
of principal to which the Holder thereof is then entitled under this
Agreement, such amount being equal to the Denomination of that Certificate (A)
plus, with respect to the Mezzanine Certificates, any increase to the
Certificate Principal Balance of such Certificate pursuant to Section 4.02 due
to the receipt of Subsequent Recoveries and (B) minus the sum of (i) all
distributions of principal previously made with respect to that Certificate,
(ii) with respect to the Mezzanine Certificates, any Allocated Realized Loss
Amounts allocated to such Certificate on previous Distribution Dates pursuant
to Section 4.02(c) without duplication and (iii) with respect to the Class
A-7A Certificates, the amount of any payments under the Class A-7A Certificate
Insurance Policy relating to principal; provided, however, that solely for
purposes of determining the Premium Distribution Amount payable to the Class
A-7A Certificate Insurer and the Class A-7A Certificate Insurer's rights as
subrogee to the Holders of the Insured Certificates, the Certificate Principal
Balance of any Insured Certificate shall be deemed not to be reduced by any
principal amounts paid to the Holder thereof from payments made by the Class
A-7A Certificate Insurer under the Class A-7A Certificate Insurance Policy,
unless such amounts have been reimbursed to the Class A-7A Certificate Insurer
pursuant to Section 4.02. With respect to each Class C Certificate as of any
date of determination, an amount equal to the Percentage Interest evidenced by
such Certificate times the excess, if any, of (A) the then aggregate
Uncertificated Balance of the Subsidiary REMIC Regular Interests over (B) the
then aggregate Certificate Principal Balance of the Senior Certificates and
the Mezzanine Certificates then outstanding.

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



                                      14
<PAGE>

          Certificateholder or Holder: The person in whose name a Certificate
is registered in the Certificate Register, except that, solely for the purpose
of giving any consent pursuant to this Agreement, any Certificate registered
in the name of the Master Servicer or the Depositor or any affiliate of the
Master Servicer or the Depositor, as applicable, 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 Master Servicer or 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 Trust Administrator is entitled to rely conclusively on a
certification of the Master Servicer or the Depositor or any affiliate of the
Master Servicer or the Depositor, as applicable, in determining which
Certificates are registered in the name of an affiliate of the Master Servicer
or the Depositor.

          Certification Parties: As defined in Section 9.12(b)(iv).

          Certifying Person: As defined in Section 9.12(b)(iv).

           Class: All Certificates bearing the same class designation as set
forth in the Preliminary Statement.

          Class A-1 Cap Account: A segregated trust account established and
maintained by the Trust Administrator pursuant to 3.07(i) of this agreement in
which payments received under the Class A-1 Cap Contract from the Class A-1
Cap Provider will be deposited.

          Class A-1 Cap Contract: The cap contract between the Class A-1 Cap
Provider and the Trust Administrator relating to the Certificates in the form
attached hereto as Exhibit O-1.

          Class A-1 Cap Contract Termination Date: The Distribution Date in
June 2009.

          Class A-1 Cap Provider: Bear Stearns Financial Products, Inc.

          Class A-2 Cap Account: A segregated trust account established and
maintained by the Trust Administrator pursuant to 3.07(j) of this agreement in
which payments received under the Class A-2 Cap Contract from the Class A-2
Cap Provider will be deposited.

          Class A-2 Cap Contract: The cap contract between the Class A-2 Cap
Provider and the Trust Administrator relating to the Certificates in the form
attached hereto as Exhibit O-2.

          Class A-2 Cap Contract Termination Date: The Distribution Date in
May 2010.

          Class A-2 Cap Provider: Bear Stearns Financial Products, Inc.

                                      15
<PAGE>

          Class A-7A Certificate Insurance Policy: The Financial Guaranty
Insurance Policy No. 492470 issued by the Class A-7A Certificate Insurer in
respect of the Insured Certificates, including any endorsements thereto.

          Class A-7A Certificate Insurer: MBIA Insurance Corporation, a New
York stock insurance company, and its successors in interest.

          Class A-7A Certificate Insurer Default: As defined in Section 12.01.

          Class A-7A Certificate Insurer Fee Rate: 0.07% per annum.

          Class A-7A Certificate Insurer Reimbursement Amount: With respect to
any Distribution Date, any amount owing to the Class A-7A Certificate Insurer
under Section 4.02 or 4.07 for reimbursement, with interest, for claims paid
with respect to the Class A-7A Certificates under the Class A-7A Certificate
Insurance Policy and any other amounts owing to the Class A-7A Certificate
Insurer under the Insurance Agreement and remaining unpaid for such
Distribution Date.

          Class C Certificate: Any one of the Class C Certificates executed,
authenticated and delivered by the Trust Administrator, substantially in the
form annexed hereto as Exhibit D-1.

           Class P Certificate: Any one of the Class P Certificates executed,
authenticated and delivered by the Trust Administrator, substantially in the
form annexed hereto as Exhibit D-2.

          Class P Prepayment Charges: Any prepayment premium, penalty or
charge to which the Trust is entitled with respect to the Mortgage Loans
identified on Schedule IV attached hereto.

          Class P Reserve Fund: The account established and maintained by the
Trust Administrator pursuant to Section 3.07(j).

           Class Principal Balance: With respect to any Class of Certificates
and as to any date of determination, the aggregate of the Certificate
Principal Balances of all Certificates of such Class as of such date.

          Clearstream: Clearstream Banking Luxembourg, formerly known as
Cedelbank SA.

          Closing Date: February 27, 2007.

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

          Collection Account: The separate Eligible Account or Accounts
created and maintained by the Master Servicer pursuant to Section 3.07(b) with
a depository institution in the name of the Master Servicer for the benefit of
the Trustee on behalf of Certificateholders and the




                                       16
<PAGE>

Class A-7A Certificate Insurer and designated "Wells Fargo Bank, N.A., for the
benefit of The Bank of New York, in trust for the registered Holders of TBW
Mortgage-Banked Trust 2007-1, Mortgage Pass-Through Certificates, Series
2007-1." The Collection Account may be deemed to be a sub-account of the
Distribution Account.

          Commission: The U.S. Securities and Exchange Commission.

          Compensating Interest: With respect to any Distribution Date, the
amount required to be paid by the Servicer under the Servicing Agreement in
connection with Prepayment Interest Shortfalls that occur on the Mortgage
Loans for the related Distribution Date.

          Control Person: As defined in Section 8.05.

          Cooperative Corporation: With respect to any Cooperative Mortgage
Loan, the cooperative apartment corporation that holds legal title to the
related Cooperative Property and grants occupancy rights to units therein to
stockholders through Proprietary Leases or similar arrangements.

           Cooperative Lien Search: A search for (a) federal tax liens,
mechanics' liens, lis pendens, judgments of record or otherwise against (i)
the Cooperative Corporation and (ii) the seller of the Cooperative Unit, (b)
filings of Financing Statements and (c) the deed of the Cooperative Property
into the Cooperative Corporation.

          Cooperative Mortgage Loan: A Mortgage Loan that is secured by a
second lien on and a perfected security interest in Cooperative Shares and the
related Proprietary Lease granting exclusive rights to occupy the related
Cooperative Unit in the building owned by the related Cooperative Corporation.

          Cooperative Property: With respect to any Cooperative Mortgage Loan,
all real property and improvements thereto and rights therein and thereto
owned by a Cooperative Corporation including without limitation the land,
separate dwelling units and all common elements.

          Cooperative Shares: With respect to any Cooperative Mortgage Loan,
the shares of stock issued by a Cooperative Corporation and allocated to a
Cooperative Unit and represented by stock certificates.

          Cooperative Unit: With respect to any Cooperative Mortgage Loan, a
specific unit in a Cooperative Property.

          Corporate Trust Office: With respect to the Trustee, the designated
office of the Trustee at which at any particular time its corporate trust
business with respect to this Agreement shall be administered, which office at
the date of execution of this Agreement is located at 101 Barclay Street, 4W,
New York, New York 10286, Attention: Structured Finance-- TBW Mortgage-Backed
Trust 2007-1, which is the address to which appropriate notices to and
correspondence with the Trustee should be directed.



                                       17
<PAGE>

          With respect to the Trust Administrator, the designated office of
the Trust Administrator at which at any particular time its corporate trust
business with respect to this Agreement shall be administered, which office at
the date of execution of this Agreement is located for certificate transfer
purposes at Wells Fargo Center, Sixth Street and Marquette Avenue,
Minneapolis, Minnesota 55479, Attention: Corporate Trust Services--TBW 2007-1,
and for all other purposes at 9062 Old Annapolis Road, Columbia Maryland
21045, Attention: Corporate Trust Services--TBW 2007-1.

          Corresponding Class: With respect to any interest in the Subsidiary
REMIC, the Corresponding Class of Certificates identified in the table for the
Subsidiary REMIC in the Preliminary Statement.

          Covered Mortgage Loan: A Mortgage Loan categorized as Covered
pursuant to Appendix E of Standard & Poor's Glossary.

          Cumulative Loss Trigger Event: A Cumulative Loss Trigger Event is in
effect with respect to a Distribution Date on or after the Stepdown Date if
the aggregate amount of Realized Losses on the Mortgage Loans from (and
including) the Cut-off Date for each such Mortgage Loan to (and including) the
related Due Date (reduced by the aggregate amount of Subsequent Recoveries
received from the Cut-off Date through the Prepayment Period related to that
Due Date) exceeds the applicable percentage, for such Distribution Date, of
the aggregate Stated Principal Balance of the Mortgage Loans as of the Cut-off
Date, as set forth below:

<TABLE>
<CAPTION>
Distribution Date                           Percentage
-----------------                           ----------
<S>                                     <C>
March 2009 - February 2010                  0.25% with respect to March 2009, plus an additional 1/12th of 0.35% for
                                           each month thereafter through February 2010.
March 2010 - February 2011                  0.60% with respect to March 2010, plus an additional 1/12th of 0.45% for
                                           each month thereafter through February 2011.
March 2011 - February 2012                  1.05% with respect to March 2011, plus an additional 1/12th of 0.45% for
                                            each month thereafter through February 2012.
March 2012 - February 2013                  1.50% with respect to March 2012, plus an additional 1/12th of 0.25% for
                                           each month thereafter through February 2013.
March 2013 and thereafter                   1.75%.
</TABLE>

          Current Interest: With respect to each Class of Offered Certificates
and each Distribution Date, the interest accrued at the applicable
Pass-Through Rate for the applicable Accrual Period on the Class Principal
Balance of such Class immediately prior to such Distribution Date, reduced by
any Prepayment Interest Shortfalls not covered by Compensating Interest
Payments and Relief Act Reductions (allocated to each such Certificate based
on its respective entitlements to interest irrespective of any Prepayment
Interest Shortfalls and Relief Act Reductions for such Distribution Date).

          Custodian: Colonial Bank, N.A., and its successor and assigns or any
successor Custodian under the Custodial Agreement.

          Custodial Agreement: The Custodial Agreement, dated as of February
1, 2007, among the Trustee, the Trust Administrator and the Custodian.

                                      18
<PAGE>

          Cut-off Date: February 1, 2007.

          Cut-off Date Principal Balance: The aggregate Principal Balance of
the Mortgage Loans as of the close of business on the Cut-off Date, which
amount is equal to $739,065,704.84

          Deficient Valuation: With respect to any Mortgage Loan, a valuation
by a court of competent jurisdiction of the Mortgaged Property in an amount
less than the then outstanding indebtedness under the Mortgage Loan, or any
reduction in the amount of principal to be paid in connection with any
Scheduled Payment that results in a permanent forgiveness of principal, which
valuation or reduction results from an order of such court which is final and
non-appealable in a proceeding under the Bankruptcy Code.

          Definitive Certificates: Any Physical Certificate issued pursuant to
Section 5.02(e).

          Deleted Mortgage Loan: Any Mortgage Loan that is replaced or
required to be replaced pursuant to Section 2.02 or 2.03.

          Delinquency Trigger Event: A Delinquency Trigger Event is in effect
with respect to a Distribution Date if the Rolling Sixty Day Delinquency Rate
for the outstanding Mortgage Loans equals or exceeds the product of 49.30% and
the Senior Enhancement Percentage for such Distribution Date.

          Delinquent: With respect to any Mortgage Loan, means that any
monthly payment with respect to such Mortgage Loan that is due on a Due Date
is not made by the close of business on the next scheduled Due Date for such
Mortgage Loan. A Mortgage Loan is "30 days Delinquent" if such monthly payment
has not been received by the close of business on the corresponding day of the
month immediately succeeding the month in which such monthly payment was due
or, if there was 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; and
similarly for "60 days Delinquent" and "90 days Delinquent," etc. (in each
case, after giving effect to scheduled payments of principal due during the
related Due Period, to the extent received or advanced, and unscheduled
collections of principal received during the related Prepayment Period).

          Denomination: With respect to each Certificate, the amount set forth
on the face thereof as the "Initial Certificate Principal Balance of this
Certificate" or the "Initial Notional Amount of this Certificate" or, if
neither of the foregoing, the Percentage Interest appearing on the face
thereof.

          Depositor: Mortgage Asset Securitization Transactions, Inc., a
Delaware corporation, or its successor in interest.

          Depository: The initial Depository shall be The Depository Trust
Company, the nominee of which is CEDE & Co., as the registered Holder of the
Book-Entry Certificates. The Depository shall at all times be a "clearing
corporation" as defined in Section 8-102(a)(5) of the Uniform Commercial Code
of the State of New York.



                                      19
<PAGE>

          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.

          Determination Date: The date on which the Servicer is required to
determine the amount it is required to advance pursuant to the Servicing
Agreement.

          Distribution Account: The separate Eligible Account created and
maintained by the Trust Administrator pursuant to Section 3.07(d) in the name
of the Trustee for the benefit of the Certificateholders and the Class A-7A
Certificate Insurer and designated "The Bank of New York in trust for
registered holders of TBW Mortgage-Backed Trust 2007-1, Mortgage Pass-Through
Certificates, Series 2007-1." Funds in the Distribution Account shall be held
in trust for the Certificateholders and the Class A-7A Certificate Insurer for
the uses and purposes set forth in this Agreement.

          Distribution Account Deposit Date: As to any Distribution Date, one
Business Day prior to such Distribution Date.

          Distribution Date: Commencing in March 2007, the Distribution Date
shall be the 25th day of each calendar month after the initial issuance of the
Certificates, or if such 25th day is not a Business Day, the next succeeding
Business Day.

          Distribution Date Statement: The statement delivered to the
Certificateholders pursuant to Section 4.04.

          DTC: The Depository Trust Company.

          Due Date: With respect to each Mortgage Loan, the date on which the
Scheduled Payment is due each month.

          Due Period: With respect to each Distribution Date, the period
commencing on the second day of the month preceding the month of the
Distribution Date and ending on the first day of the month of the Distribution
Date.

          Eligible Account: Any of (i) an account or accounts maintained with
a federal or state chartered depository institution or trust company the short
term unsecured debt obligations of which (or, in the case of a depository
institution or trust company that is the principal subsidiary of a holding
company, the debt obligations of such holding company) have either (a) a
rating of at least "A-2" by S&P at the time any amounts are held on deposit
therein, if the amounts on deposit are to be held in the account for no more
than 30 days and are not intended to be used as credit enhancement (provided,
that if such rating falls below "A-2" by S&P, funds in such account shall
immediately be transferred to an otherwise Eligible Account) or (b) the
highest short term ratings of each Rating Agency at the time any amounts are
held on deposit therein, if the amounts on deposit are to be held in the
account for more than 30 days or are intended to be used as credit
enhancement, or (ii) an account or accounts in a depository institution or
trust company in which such accounts are insured by the FDIC (to the limits
established by the FDIC) and the uninsured deposits in which accounts are
otherwise secured such that, as evidenced by an Opinion of Counsel delivered
to the Trustee, the Trust


                                      20
<PAGE>

Administrator, the Class A-7A Certificate Insurer and the NIMS Insurer and to
each Rating Agency, the Certificateholders have a claim with respect to the
funds in such account or a perfected first priority 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 or trust company in which such account is maintained,
or (iii) a non interest bearing segregated trust account or accounts
maintained with (a) the trust department of a federal or state chartered
depository institution or (b) a trust company, acting in its fiduciary
capacity or (iv) any other account acceptable to each Rating Agency. Eligible
Accounts may bear interest, and may include, if otherwise qualified under this
definition, accounts maintained with the Trust Administrator.

          Eligible Substitute Mortgage Loan: With respect to a Mortgage Loan
substituted by the Transferor for a Deleted Mortgage Loan, a Mortgage Loan
which must, on the date of such substitution, (i) have a Principal Balance,
(or, in the case of a substitution of more than one mortgage loan for a
Deleted Mortgage Loan, an aggregate Principal Balance), not in excess of, and
not more than 10% less than the Principal Balance of the Deleted Mortgage
Loan; (ii) be accruing interest at a rate no lower than and not more than 1%
per annum higher than, that of the Deleted Mortgage Loan; (iii) have a
Loan-to-Value Ratio no higher than that of the Deleted Mortgage Loan; (iv)
have a remaining term to maturity no greater than (and not more than one year
less than that of) the Deleted Mortgage Loan; (v) comply with each
representation and warranty set forth in Section 2.03 hereof; (vi) be the same
credit grade category as the Deleted Mortgage Loan; (vii) have the same
prepayment penalty term; and (viii) not be a Cooperative Mortgage Loan unless
the Deleted Mortgage Loan was a Cooperative Mortgage Loan.

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

          ERISA Qualifying Underwriting: A best efforts or firm commitment
underwriting or private placement that meets the requirements (without regard
to the ratings requirements) of an Underwriter's Exemption.

          ERISA-Restricted Certificate: As specified in the Preliminary
Statement.

          Euroclear: The Euroclear System.

          Excess Proceeds: With respect to any Liquidated Mortgage Loan, the
amount, if any, by which the sum of any Liquidation Proceeds of such Mortgage
Loan received in the calendar month in which such Mortgage Loan became a
Liquidated Mortgage Loan, exceeds (i) the Principal Balance of such Liquidated
Mortgage Loan as of the Due Date in the month in which such Mortgage Loan
became a Liquidated Mortgage Loan plus (ii) accrued interest at the Mortgage
Rate from the Due Date as to which interest was last paid or advanced (and not
reimbursed) to Certificateholders up to the Due Date applicable to the
Distribution Date immediately following the calendar month during which such
liquidation occurred.

          Exchange Act: The Securities Exchange Act of 1934, as amended from
time to time, and the rules and regulations thereunder.

                                      21
<PAGE>

          Excluded Interest Payments: The excess of the amount of interest
that accrues on the Adjustable Rate Certificates for the first Accrual Period
over the amount of interest that would have accrued on such Certificates had
the first Accrual Period started on the Closing Date.

          Fannie Mae: 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.

          Final Certification: With respect to the Custodian, the
certification required to be delivered by the Custodian not later than 90 days
after the Closing Date to the Depositor, the Depositor, the Class A-7A
Certificate Insurer, the Trustee, the Trust Administrator and the Transferor
pursuant to Section 6 of the Custodial Agreement in the form annexed thereto
as Exhibit 2.

          Financing Statement: A financing statement in the form of a UCC-1 or
UCC-3, as applicable, filed pursuant to the Uniform Commercial Code to perfect
a security interest in the Cooperative Shares and Pledge Instruments.

          Fixed Rate: With respect to any Class of Fixed Rate Certificates,
the Pass Through Rate as set forth in the Preliminary Statement.

          Fixed Rate Certificates: As defined in the Preliminary Statement.

          Form 8-K Disclosure Information: As defined in Section 9.12(c)(i).

          Freddie Mac: 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.

          High Cost Mortgage Loan: A Mortgage Loan classified as (a) a "high
cost" loan under the Home Ownership and Equity Protection Act of 1994, (b) a
"high cost home," "threshold," "covered," (excluding New Jersey "Covered Home
Mortgage Loans" as that term is defined in clause (1) of the definition of
that term in the New Jersey Home Ownership Security Act of 2002), "high risk
home," "predatory" or similar loan under any other applicable state, federal
or local law (or a similarly classified loan using different terminology under
a law imposing heightened regulatory scrutiny or additional legal liability
for residential mortgage loans having high interest rates, points and/or fees)
or (c) a Mortgage Loan categorized as High Cost pursuant to Appendix E of
Standard and Poor's Glossary.

          Highest Priority: As of any date of determination, the Class of
Mezzanine Certificates then outstanding with a Class Principal Balance greater
than zero, with the highest priority for payments pursuant to Section 4.01, in
the following order of descending priority: Class M-1, Class M-2, Class M-3,
Class M-4, Class M-5, Class M-6, Class M-7, Class M-8 and Class M-9
Certificates.

                                      22
<PAGE>

          Home Loan: A Mortgage Loan categorized as a Home Loan pursuant to
Appendix E of Standard & Poor's Glossary.

          Homeownership Act: The federal Truth-in-Lending Act as amended by
the Home Ownership and Equity Protection Act of 1994.

          Indenture: Any indenture pursuant to which notes are issued as to
which the NIMS Insurer guaranteed payment.

          Independent: When used with respect to any accountants, a Person who
is "independent" within the meaning of Rule 2-01(B) of the Commission's
Regulation S-X. Independent means when used with respect to any other Person,
a Person who (a) is in fact independent of another specified Person and any
affiliate of such other Person, (b) does not have any material direct or
indirect financial interest in such other Person or any affiliate of such
other Person, (c) is not connected with such other Person or any affiliate of
such other Person as an officer, employee, promoter, underwriter, trust
administrator, trustee, partner, director or Person performing similar
functions and (d) is not a member of the immediate family of a Person defined
clause (b) or (c) above.

          Indirect Participant: A broker, dealer, bank or other financial
institution or other Person that clears through or maintains a custodial
relationship with a Depository Participant.

           Initial Certification: With respect to the Custodian, the
certification required to be executed by the Custodian and delivered on the
Closing Date to the Depositor, the Trust Administrator and the Trustee
pursuant to Section 4 of the Custodial Agreement in the form annexed thereto
as Exhibit 1.

          Initial LIBOR Rate: 5.320% per annum.

          Insolvency Proceeding: With respect to any Person: (i) any case,
action, or proceeding with respect to such Person before any court or other
governmental authority relating to bankruptcy, reorganization, insolvency,
liquidation, receivership, dissolution, winding up, or relief of debtors; or
(ii) any general assignment for the benefit of creditors, composition,
marshaling of assets for creditors, or other, similar arrangement in respect
of the creditors generally of such Person or any substantial portion of such
Person's creditors, in any case undertaken under federal, state or foreign
law, including the Bankruptcy Code.

          Insurance Agreement: The Insurance Agreement, dated as of February
1, 2007, among the Class A-7A Certificate Insurer, the Master Servicer, the
Trust Administrator, the Servicer, the Transferor, the Depositor and the
Trustee.

          Insurance Policy: With respect to any Mortgage Loan included in the
Trust Fund, any insurance policy (other than the Class A-7A Certificate
Insurance Policy), including all riders and endorsements thereto in effect,
including any replacement policy or policies for any Insurance Policies.

          Insurance Proceeds: Proceeds paid by an insurer pursuant to any
title policy, hazard policy or other Insurance Policy covering a Mortgage Loan
to the extent such proceeds


                                      23
<PAGE>

are not to be applied to the restoration of the related Mortgaged Property or
released to the Mortgagor in accordance with the procedures that the Servicer
would follow in servicing mortgage loans held for its own account, subject to
the terms and conditions of the related Mortgage Note and Mortgage.

          Insured Certificates: The Class A-7A Certificates.

          Insured Expenses: Expenses covered by an Insurance Policy or any
other insurance policy with respect to the Mortgage Loans.

          Interest Carryforward Amount: With respect to each Class of Senior
Certificates and Mezzanine Certificates and each Distribution Date, the sum of
(A) the excess of (i) the sum of the Current Interest for such Class with
respect to prior Distribution Dates and any unpaid Interest Carryforward
Amount from the immediately preceding Distribution Date over (ii) the amount
actually distributed to such Class with respect to interest on such prior
Distribution Dates and (B) interest on such amount in (A) for the related
Accrual Period at the applicable Pass-Through Rate.

          Interest Remittance Amount: With respect to the Mortgage Loans and
any Distribution Date, (x) the sum, without duplication, of (i) all scheduled
interest on the Mortgage Loans due on the related Due Date and received on or
prior to the related Determination Date, less the related Servicing Fees and
any payments made in respect of premiums on lender paid insurance mortgage
loans, (ii) all interest on Principal Prepayments on the Mortgage Loans, (iii)
all Advances relating to interest with respect to the Mortgage Loans, (iv) all
Compensating Interest with respect to such Mortgage Loans and (v) Liquidation
Proceeds with respect to the Mortgage Loans during the related Prepayment
Period (to the extent such Liquidation Proceeds relate to interest), less (y)
all reimbursements to the Master Servicer since the immediately preceding Due
Date for Nonrecoverable Advances of interest previously made.

          Last Scheduled Distribution Date: The Distribution Date occurring in
March, 2037.

          Late Payment Rate: As defined in the Insurance Agreement.

          Latest Possible Maturity Date: The Distribution Date following the
third anniversary of the scheduled maturity date of the Mortgage Loan having
the latest scheduled maturity date as of the Cut-off Date.

          LIBOR: As to any Distribution Date, the arithmetic mean of the
London Interbank offered rate quotations for one month U.S. Dollar deposits,
as determined by the Trust Administrator in accordance with Section 4.08.

          LIBOR Business Day: Any day other than (i) a Saturday or a Sunday or
(ii) a day on which banking institutions in the State of New York or in the
City of London, England are required or authorized by law to be closed.



                                       24
<PAGE>

          LIBOR Determination Date: As to any Distribution Date, other than
the first Distribution Date, and any Class of LIBOR Certificates, the second
LIBOR Business Day prior to the beginning of the applicable Accrual Period for
such Class and such Distribution Date.

          Liquidated Mortgage Loan: With respect to any Distribution Date, (i)
a defaulted Mortgage Loan (including any REO Property) which was liquidated in
the calendar month preceding the month of such Distribution Date and as to
which the Servicer or the Master Servicer, as the case may be, has determined
(in accordance with the Servicing Agreement and this Agreement) that it has
received all amounts it expects to receive in connection with the liquidation
of such Mortgage Loan, including the final disposition of an REO Property or
(ii) any Mortgage Loan that becomes 180 days or more delinquent in the
calendar month preceding the month of such Distribution Date.

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

          Loan-to-Value Ratio: With respect to any Mortgage Loan and as to any
date of determination, the fraction (expressed as a percentage) the numerator
of which is the principal balance of the related Mortgage Loan at such date of
determination and the denominator of which is the Appraised Value of the
related Mortgaged Property. For purposes of representation (xxxiii) of
Schedule II, the Loan-to-Value Ratio will be the loan-to-value ratio
calculated in accordance with applicable state laws regarding primary mortgage
insurance.

          Lost Mortgage Note: Any Mortgage Note the original of which was
permanently lost or destroyed and has not been replaced.

          Majority Holder: As to any Class of Regular Certificates, the Holder
of Certificates of such Class evidencing, in the aggregate, at least 51% of
the Percentage Interests evidenced by all Certificates of such Class.

          Majority in Interest: As to any Class of Regular Certificates, the
Holders of Certificates of such Class evidencing, in the aggregate, at least
51% of the Percentage Interests evidenced by all Certificates of such Class.

          Master REMIC: As specified in the Preliminary Statement.

          Master Servicer: Wells Fargo Bank, N.A., a national banking
association, and its successors and assigns, in its capacity as Master
Servicer hereunder, or any successor Master Servicer hereunder.

          Master Servicer Compensation: All investment earnings on amounts on
deposit in the Collection Account.

          Master Servicer Event of Termination: As defined in Section 7.01
hereof.

                                       25
<PAGE>

          Master Servicing Officer: Any officer of the Master Servicer
involved in, or responsible for, the administration and master servicing of
the Mortgage Loans.

          MERS: As defined in Section 2.01.

          Mezzanine Certificates: As defined in the Preliminary Statement.

          Mezzanine Principal Distribution Amount: For any Class of Mezzanine
Certificates and Distribution Date, the excess, if any, of:

     (a)   the sum of:

          (i) the aggregate Class Principal Balance of the Senior Certificates
(after taking into account the distribution of the Senior Principal
Distribution Amount for such Distribution Date),

          (ii) the aggregate Class Principal Balance of any Class(es) of
Mezzanine Certificates that are senior to the subject Class (in each case,
after taking into account the distribution of the applicable Mezzanine
Principal Distribution Amount(s) for such more senior Class(es) of
Certificates for such Distribution Date), and

          (iii) the Class Principal Balance of such Class of Mezzanine
Certificates immediately prior to such Distribution Date, over

          (b) the lesser of (a) the product of (x) 100% minus the applicable
Stepdown Target Subordination Percentage for the subject Class of Mezzanine
Certificates for that Distribution Date and (y) the aggregate Stated Principal
Balance of the Mortgage Loans as of the Due Date in the month of that
Distribution Date (after giving effect to principal prepayments received in
the related Prepayment Period) and (b) the aggregate Stated Principal Balance
of the Mortgage Loans as of the Due Date in the month of that Distribution
Date (after giving effect to principal prepayments received in the related
Prepayment Period) minus the OC Floor; provided, however, that if the Class
Principal Balance of each Class of Senior Certificates has been reduced to
zero, and such Class of Mezzanine Certificates is the only Class of Mezzanine
Certificates outstanding on such Distribution Date, that Class will be
entitled to receive the entire remaining Principal Distribution Amount until
its Class Principal Balance is reduced to zero.

          Moody's: Moody's Investors Service, Inc., or any successor thereto.
If Moody's is designated as a Rating Agency in the Preliminary Statement, for
purposes of Section 11.05(b), the address for notices to Moody's shall be
Moody's Investors Service, Inc., 99 Church Street, New York, New York 10007,
Attention: Residential Mortgage Monitoring Group, or such other address as
Moody's may hereafter furnish to each other party to this Agreement.

          Mortgage: The mortgage, deed of trust or other instrument creating a
second lien on an estate in fee simple or leasehold interest in real property
securing a Mortgage Note.

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



                                       26
<PAGE>

          Mortgage Loan Purchase Agreement: The Mortgage Loan Purchase and
Servicing Agreement, dated as of February 1, 2007, between the Transferor and
the Depositor.

          Mortgage Loan Schedule: The list of Mortgage Loans (as from time to
time amended by the Custodian to reflect the addition of Eligible Substitute
Mortgage Loans and the deletion of Deleted Mortgage Loans pursuant to the
provisions of this Agreement) transferred to the Custodian on behalf of the
Trustee as part of the Trust Fund and from time to time subject to this
Agreement, attached hereto as Schedule I, setting forth the following
information with respect to each Mortgage Loan: (1) the Mortgage Loan
identifying number; (2) the Mortgagor's first and last name; (3) the street
address of the Mortgaged Property including the city, state and zip code; (4)
the original principal balance of the Mortgage Loan; (5) the Scheduled
Principal Balance of the Mortgage Loan as of the close of business on the Cut
off Date; (6) the unpaid principal balance of the Mortgage Loan as of the
close of business on the Cut off Date; (7) the last scheduled Due Date on
which a Scheduled Payment was applied to the Scheduled Principal Balance; (8)
the last Due Date on which a Scheduled Payment was actually applied to the
unpaid principal balance; (9) the Mortgage Rate in effect immediately
following origination; (10) the Mortgage Rate in effect immediately following
the Cut off Date (if different from (9)); (11) the amount of the Scheduled
Payment at origination; (12) the amount of the Scheduled Payment as of the Cut
off Date (if different from (11)); (13) a code indicating whether the
Mortgaged Property is owner occupied, a second home or an investor property;
(14) a code indicating whether the Mortgaged Property is a single family
residence, a two family residence, a three family residence, a four family
residence, a planned unit development, a condominium or a Cooperative Unit;
(15) a code indicating the loan purpose (i.e., purchase, rate/term refinance,
cash out refinance); (16) the stated maturity date; (17) the original months
to maturity; (18) the remaining months to maturity from the Cut off Date based
on the original amortization Schedule and, if different, the remaining months
to maturity expressed in the same manner but based on the actual amortization
schedule; (19) the origination date of the Mortgage Loan; (20) the
Loan-to-Value Ratio at origination; (21) the date on which the first Scheduled
Payment was due on the Mortgage Loan after the origination date; (22) a code
indicating the documentation style of the Mortgage Loan; (23) a code
indicating if the Mortgage Loan is subject to a Primary Insurance Policy and,
if so, the name of the Qualified Mortgage Insurer, the certificate number and
the coverage amount of the Primary Insurance Policy; (24) the Servicing Fee
Rate, and if such rate is subject to change, the date such rate will change
and the Servicing Fee Rate applicable thereafter; (25) a code indicating
whether the Mortgage Loan is subject to a prepayment penalty and, if so, the
term of such prepayment penalty and whether the same shall be a Class P
Prepayment Charge; (26) the credit score (or mortgage score) of the Mortgagor;
(27) the debt to income ratio of the Mortgage Loan; (28) the next Adjustment
Date; (29) the lifetime mortgage rate cap; (30) the Periodic Rate Cap; (31)
the maximum interest rate; (32) the minimum interest rate; (33) [reserved];
(34) the date on which the Mortgage Loan was transferred to the Transferor;
(35) [reserved]; (36) the initial Servicer; (37) a code indicating the
originator of the Mortgage Loan; (38) a code indicating whether the Mortgage
Loan is a Cooperative Mortgage Loan; (39) a code indicating the Custodian; and
(40) a code indicating whether such Mortgage Loan is a Home Loan.

          Mortgage Loans: Such of the mortgage loans and cooperative loans
transferred and assigned to the Trustee pursuant to the provisions hereof as
from time to time are held as a part of the Trust Fund (including any REO
Property), the mortgage loans so held being identified




                                      27
<PAGE>

in the Mortgage Loan Schedule, notwithstanding foreclosure or other
acquisition of title of the related Mortgaged Property. With respect to each
Mortgage Loan that is a Cooperative Mortgage Loan, if any, "Mortgage Loan"
shall include, but not be limited to, the related Mortgage Note, Security
Agreement, Assignment of Proprietary Lease, Recognition Agreement, Cooperative
Shares and Proprietary Lease and, with respect to each Mortgage Loan other
than a Cooperative Mortgage Loan, "Mortgage Loan" shall include, but not be
limited to the related Mortgage and the related Mortgage Note.

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

          Mortgage Pool: The pool of Mortgage Loans included in the Trust.

          Mortgage Rate: With respect to any Mortgage Loan, the per annum
interest rate at which such Mortgage Loan accrues interest.

          Mortgaged Property: The property securing a Mortgage Loan which will
consist of one- to four-family residential properties consisting of attached
or detached one- to four-family dwelling units and individual condominium
units.

           Mortgagor: Each obligor on a Mortgage Note.

          Net Monthly Excess Cashflow: With respect to any Distribution Date,
the sum for such Distribution Date of (a) any Overcollateralization Release
Amount and (b) the excess of (x) the aggregate Available Funds for such
Distribution Date over (y) the sum for such Distribution Date of (A) the
Current Interest for the Senior Certificates and Mezzanine Certificates, (B)
the Interest Carryforward Amount for the Senior Certificates and Mezzanine
Certificates, (C) the Principal Remittance Amount, (D) the Premium
Distribution Amount and (E) the Class A-7A Certificate Insurer Reimbursement
Amount.

          Net Mortgage Rate: As to each Mortgage Loan, the applicable Mortgage
Rate thereof as of the due date occurring in the month preceding the month of
the Distribution Date (after giving effect to principal prepayments in the
prepayment period related to that prior due date) minus the related Servicing
Fee Rate and any lender paid mortgage insurance premiums for such Mortgage
Loan (expressed as a per annum percentage of its Stated Principal Balance).

          Net Rate Cap: For each Distribution Date and the following Classes
of Certificates is:

          (a) with respect to the Fixed Rate Certificates (other than the
Class A-7A Certificates), the Net WAC;

          (b) With respect to the Class A-7A Certificates, the excess, if any
of the Net WAC over the Class A-7A Certificate Insurer Fee Rate; and

          (c) with respect to the Adjustable Rate Certificates:

               (i) the Net WAC, multiplied by a fraction,

                                      28
<PAGE>

                    (1)   the numerator of which is 30, and

                    (2)   the denominator of which is the actual number of days
                          in the immediately preceding Accrual Period

          Net Rate Carryover: For each Class of Senior Certificates and
Mezzanine Certificates on any Distribution Date is equal to the sum of:

      (a) the excess, if any, of:

           (i) the amount of interest that such Class would have accrued for
such Distribution Date had the Pass-Through Rate for that Class and the
related Accrual Period not been calculated based on the related Net Rate Cap,
over

          (ii) the amount of interest such Class accrued on such Distribution
Date based on the related Net Rate Cap, and

      (b) 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 related Net Rate Cap).

          Net WAC: For any Distribution Date, the weighted average of the Net
Mortgage Rate of each Mortgage Loan, weighted on the basis of its Stated
Principal Balance as of the Due Date occurring in the month preceding the
month of that Distribution Date (after giving effect to principal prepayments
in the Prepayment Period related to that prior Due Date).

          NIMS Insurer: Any insurer that is guaranteeing certain payments
under notes secured by collateral which includes all or a portion of the Class
C Certificates, Class P Certificates and/or the Residual Certificates.

          NIMS Insurer Default: The continuance of any failure by the NIMS
Insurer, if any, to make a required payment under the policy insuring the net
interest margin securities.

          Nonrecoverable Advance: Any portion of an Advance previously made or
proposed to be made by the Servicer or the Master Servicer, as the case may
be, that, in the good faith judgment of the Servicer or the Master Servicer,
as applicable, will not be ultimately recoverable by the Servicer or the
Master Servicer from the related Mortgagor, related Liquidation Proceeds or
otherwise.

          Notice of Final Distribution: The notice to be provided pursuant to
Section 10.02 to the effect that final distribution on any of the Certificates
shall be made only upon presentation and surrender thereof.

          Notional Amount: With respect to the Class C Certificates and any
Distribution Date, the aggregate Uncertificated Balance of the Subsidiary
REMIC Regular Interests for such Distribution Date.



                                      29
<PAGE>

          OC Floor: An amount equal to 0.35% of the aggregate Stated Principal
Balance of the Mortgage Loans as of the Cut-off Date.

          Offered Certificates: As specified in the Preliminary Statement.

          Officer's Certificate: A certificate (i) signed by the Chairman of
the Board, the Vice Chairman of the Board, the President, a Managing Director,
a Vice President (however denominated), an Assistant Vice President, the
Treasurer, the Secretary, or one of the Assistant Treasurers or Assistant
Secretaries of the Depositor or the Master Servicer, or (ii) if provided for
in this Agreement, signed by a Master Servicing Officer, as the case may be,
and delivered to the Depositor, the Trustee, the Class A-7A Certificate
Insurer and the Trust Administrator, as the case may be, as required by this
Agreement.

          Opinion of Counsel: A written opinion of counsel, who may be counsel
for the Depositor or the Master Servicer, including in house counsel,
reasonably acceptable to the Trustee, the Class A-7A Certificate Insurer or
the Trust Administrator, as applicable; provided, however, that, with respect
to the interpretation or application of the REMIC Provisions, such counsel
must (i) in fact be independent of the Depositor and the Master Servicer, (ii)
not have any direct financial interest in the Depositor or the Master Servicer
or in any affiliate of either, and (iii) not be connected with the Depositor
or the Master Servicer as an officer, employee, promoter, underwriter,
trustee, partner, director or person performing similar functions.

          Optional Termination: The termination of the Trust created hereunder
in connection with the auction or purchase of the Mortgage Loans pursuant to
Section 10.01 hereof.

          Optional Termination Date: As specified in Section 10.01(a) hereof.

          Order: A final nonappealable order of a court or other body
exercising jurisdiction in an Insolvency Proceeding by or against the Trust,
to the effect that a Holder or the Trust Administrator is required to return
or repay all or a portion of a Preference Amount.

          Originator: Taylor, Bean & Whitaker Mortgage Corp.

          Original Certificate Principal Balance: The Certificate Principal
Balance of the Senior Certificates or the Mezzanine Certificates on the
Closing Date.

          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:

      (a) Certificates theretofore canceled by the Trust Administrator or
delivered to the Trust Administrator for cancellation; and

      (b) Certificates in exchange for which or in lieu of which other
Certificates have been executed and delivered by the Trust Administrator
pursuant to this Agreement.


                                      30
<PAGE>

          Outstanding Mortgage Loan: As of any Due Date, a Mortgage Loan with
a Principal Balance greater than zero that was not the subject of a Principal
Prepayment in Full prior to such Due Date and that did not become a Liquidated
Mortgage Loan prior to such Due Date.

          Overcollateralization Amount: With respect to any Distribution Date,
an amount equal to the excess, if any, of (i) the aggregate Stated Principal
Balance of the Mortgage Loans as of the Due Date in the month of that
Distribution Date (after giving effect to Principal Prepayments received in
the related Prepayment Period) over (ii) the sum of the aggregate Class
Principal Balance of the Senior Certificates, the Mezzanine Certificates and
the Class P Certificates as of such Distribution Date (after giving effect to
distributions of the Principal Distribution Amount to be made on such
Distribution Date).

          Overcollateralization Deficiency Amount: With respect to any
Distribution Date, the amount, if any, by which the Overcollateralization
Target Amount for such Distribution Date exceeds the Overcollateralization
Amount for such Distribution Date (after giving effect to distributions in
respect of the Principal Remittance Amount on such Distribution Date but
before giving effect to any other distributions on the Certificates in
reduction of their respective Class Principal Balances on such Distribution
Date).

          Overcollateralization Maintenance Amount: With respect to any
Distribution Date, the lesser of (a) the Net Monthly Excess Cashflow for such
Distribution Date and (b) the Overcollateralization Deficiency Amount for such
Distribution Date.

          Overcollateralization Release Amount: With respect to any
Distribution Date, the lesser of (x) the Principal Remittance Amount for such
Distribution Date and (y) the excess, if any, of (i) the Overcollateralization
Amount for such Distribution Date (assuming that 100% of the Principal
Remittance Amount is applied as a principal payment on such Distribution Date
and without giving effect to any other distributions on the Certificates in
reduction of their respective Class Principal Balances on such Distribution
Date) over (ii) the Overcollateralization Target Amount for such Distribution
Date.

          Overcollateralization Target Amount: With respect to any
Distribution Date (a) prior to the Stepdown Date, an amount equal to 1.20% of
the aggregate Stated Principal Balance of the Mortgage Loans as of the Cut-off
Date and (b) on or after the Stepdown Date, the greater of (i) 2.40% of the
aggregate Stated Principal Balance of the Mortgage Loans as of the Due Date in
the month of that Distribution Date (after giving effect to principal
prepayments received in the related Prepayment Period) and (ii) the OC Floor;
provided, however, that if a Trigger Event is in effect on any Distribution
Date, the Overcollateralization Target Amount will be the
Overcollateralization Target Amount as in effect for the prior Distribution
Date.

          Ownership Interest: As to any Residual 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.

          Par Value: As defined in Section 10.01.


                                       31
<PAGE>

          Pass-Through Rate: For any interest bearing Class of Certificates,
the per annum rate set forth or calculated in the manner described in the
Preliminary Statement.

          PCAOB: The Public Company Accounting Oversight Board.

          Percentage Interest: As to any Certificate, the percentage interest
evidenced thereby in distributions required to be made on the related Class,
such percentage interest being set forth on the face thereof or equal to the
percentage obtained by dividing the Denomination of such Certificate by the
aggregate of the Denominations of all Certificates of the same Class.

          Permitted Investments: At any time, any one or more of the following
obligations and securities, which may include investments for which the Master
Servicer or Trust Administrator serves as investment manager or advisor:

      (a) obligations of the United States or any agency thereof, provided
such obligations are backed by the full faith and credit of the United States;

      (b) 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, or such lower rating as will not result in
the downgrading or withdrawal of the ratings, by any Rating Agency, then
assigned to any of the Certificates (determined without regard to the Class
A-7A Certificate Insurance Policy);

      (c) commercial or finance company paper which is then receiving the
highest commercial or finance company paper rating of any Rating Agency, or
such lower rating as will not result in the downgrading or withdrawal of the
ratings, by any Rating Agency, then assigned to any of the Certificates
(determined without regard to the Class A-7A Certificate Insurance Policy);

      (d) certificates of deposit, demand or time deposits, or bankers'
acceptances 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 in one of the
two highest long term and the highest short term ratings of each Rating Agency
for such securities, or such lower ratings as will not result in the
downgrading or withdrawal of the ratings, by any Rating Agency, then assigned
to any of the Certificates (determined without regard to the Class A-7A
Certificate Insurance Policy);

      (e) 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 and are then rated in the highest long term and
the highest short term ratings of each Rating Agency for such securities, or
such lower ratings as will not result in the downgrading or withdrawal of the
ratings, by any Rating Agency, to any of the Certificates (determined without
regard to the Class A-7A Certificate Insurance Policy);

      (f) guaranteed reinvestment agreements issued by any bank, insurance
company or other corporation containing, at the time of the issuance of such
agreements, such terms and


                                       32
<PAGE>

conditions as will not result in the downgrading or withdrawal of the ratings,
by any Rating Agency, then assigned to any of the Certificates (determined
without regard to the Class A-7A Certificate Insurance Policy);

      (g) repurchase obligations with respect to any security described in
subclauses (a) and (b) above, in either case entered into with a depository
institution or trust company (acting as principal) described in subclause (d)
above;

      (h) 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
incorporated under the laws of the United States or any state thereof which,
at the time of such investment, have the highest rating of each Rating Agency,
or such lower rating as will not result in the downgrading or withdrawal of
the ratings, by any Rating Agency, then assigned to the of the Certificates
(determined without regard to the Class A-7A Certificate Insurance Policy), as
evidenced by a signed writing delivered by each Rating Agency;

      (i) units of a taxable money market portfolio having the highest
available long-term rating assigned by each Rating Agency at the time of such
investment and restricted to obligations issued or guaranteed by the United
States of America or entities whose obligations are backed by the full faith
and credit of the United States of America and repurchase agreements
collateralized by such obligations;

      (j) any mutual fund, money market fund, common trust fund or other
pooled investment vehicle, the assets of which are limited to instruments that
otherwise would constitute Permitted Investments hereunder, including any such
fund that is managed by the Trust Administrator or Master Servicer or any
Affiliate of the Trust Administrator or Master Servicer or for which the Trust
Administrator or Master Servicer or any Affiliate of the Trust Administrator
or Master Servicer acts as an adviser as long as such fund is rated in at
least the highest rating category by each Rating Agency (if so rated by such
Rating Agency); and

      (k) such other investments bearing interest or sold at a discount
acceptable to each Rating Agency as will not result in the downgrading or
withdrawal of the ratings, by any Rating Agency, then assigned to any of the
Certificates (determined without regard to the Class A-7A Certificate
Insurance Policy), as evidenced by a signed writing delivered by each Rating
Agency;

provided that no such instrument shall be a Permitted Investment if such
instrument evidences the right to receive interest only payments with respect
to the obligations underlying such instrument.

          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) which 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)(l) of the
Code) with respect to any Residual Certificate,



                                      33
<PAGE>

(iv) rural electric and telephone cooperatives described in section
1381(a)(2)(C) of the Code, (v) a Person that is not a citizen or resident of
the United States, a corporation, partnership (except as provided in
applicable Treasury Regulations), or other entity created or organized in or
under the laws of the United States, any state thereof or the District of
Columbia, an estate whose income is subject to United States federal income
tax regardless of its source or a trust if a court within the United States is
able to exercise primary supervision over the administration of the Trust and
one or more Persons described in this clause (v) have the authority to control
all substantial decisions of the Trust (or, to the extent provided in
applicable Treasury Regulations, certain trusts in existence on August 20,
1996 which are eligible to elect to be treated as United States persons)
unless such Person has furnished the transferor and the Trust Administrator
with a duly completed Internal Revenue Service Form W-8ECI or any applicable
successor form, (vi) any Person with respect to whom income on any Residual
Certificate is attributable to a foreign permanent establishment or fixed
base, within the meaning of an applicable income tax treaty, of such Person or
any other Person and (vii) any other Person so designated by the Depositor
based upon an Opinion of Counsel that the Transfer of an Ownership Interest in
a Residual Certificate to such Person may cause any REMIC hereunder to fail to
qualify as a REMIC at any time that the Certificates are outstanding. The
terms "United States," "State" and "international organization" shall have the
meanings set forth in section 7701 of the Code or successor provisions. A
corporation will not be treated as an instrumentality of the United States or
of any State or political subdivision thereof for these purposes if all of its
activities are subject to tax and, with the exception of Freddie Mac, 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.

          Physical Certificate: As specified in the Preliminary Statement.

          Pledge Instruments: With respect to each Cooperative Mortgage Loan,
the Stock Power, the Assignment of Proprietary Lease and the Security
Agreement.

          Policy Payments Account: The account created and maintained by the
Trust Administrator pursuant to Section 12.04 hereof, which shall be entitled
"The Bank of New York in trust for registered holders of TBW Mortgage-Backed
Trust 2007-1, Mortgage Pass-Through Certificates, Series 2007-1, Class A-7A
Certificates." The Policy Payments Account must be an Eligible Account.

          Pool Balance: The aggregate of the Principal Balances of the
Mortgage Loans.

          Premium Distribution Amount: With respect to any Distribution Date,
the sum of (A) the product of (x) the Class A-7A Certificate Insurer Fee Rate
multiplied by (y) the aggregate Class Principal Balance of the Insured
Certificates immediately preceding such Distribution Date, not taking into
account any payments made under the Class A-7A Certificate Insurance Policy,
divided by 12 and (B) the Premium Distribution Amount for any prior
Distribution Date, plus interest thereon at the Late Payment Rate.

                                      34
<PAGE>

          Prepayment Interest Shortfall: As to any Distribution Date, Mortgage
Loan and Principal Prepayment received or, in the case of partial Principal
Prepayments, applied, during the applicable Prepayment Period, the amount, if
any, by which one month's interest at the related Net Mortgage Rate on such
Principal Prepayment exceeds the amount of interest at the Net Mortgage Rate
paid in connection with such Principal Prepayment.

          Prepayment Period: With respect to any Distribution Date, the
calendar month preceding the month in which such Distribution Date occurs.

          Primary Insurance Policy: Each policy of primary mortgage guaranty
insurance or any replacement policy therefor with respect to any Mortgage
Loan.

          Principal Balance: As to any Mortgage Loan and any Distribution
Date, the unpaid principal balance of such Mortgage Loan as of the Due Date in
the month preceding the month in which such Distribution Date occurs, as
specified in the amortization schedule at the time relating thereto (before
any adjustment to such amortization schedule by reason of any moratorium or
similar waiver or grace period) after giving effect to any previous partial
Principal Prepayments and Liquidation Proceeds allocable to principal received
during the Prepayment Period for the prior Distribution Date (other than with
respect to any Liquidated Mortgage Loan), and to the payment of principal due
on such Due Date and irrespective of any delinquency in payment by the related
Mortgagor. The Principal Balance of any Mortgage Loan that has been prepaid in
full or has become a Liquidated Mortgage Loan during the related Prepayment
Period shall be zero.

          Principal Distribution Amount: With respect to any Distribution
Date, the sum of (i) the Basic Principal Distribution Amount for such
Distribution Date and (ii) the Overcollateralization Maintenance Amount for
such Distribution Date.

          Principal Prepayment: Any payment of principal by a Mortgagor on a
Mortgage Loan that is received in advance of its scheduled Due Date and is not
accompanied by an amount representing scheduled interest due on any date or
dates in any month or months subsequent to the month of prepayment, excluding
any prepayment penalty or premium thereon. Partial Principal Prepayments will
be applied by the Servicer in accordance with the terms of the Servicing
Agreement and in accordance with the terms of the related Mortgage Note, and
to the extent the Mortgage Note does not provide otherwise, shall be applied
in the Prepayment Period preceding the receipt thereof.

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

          Principal Remittance Amount: With respect to any Distribution Date,
the sum of (i) all scheduled payments of principal collected on the Mortgage
Loans that were due during the related Due Period and the principal portion of
any Advances made with respect to such Distribution Date, (ii) the principal
portion of all partial and full principal prepayments of the Mortgage Loans
applied during such Prepayment Period, (iii) the principal portion of all
related Net Liquidation Proceeds, Insurance Proceeds and Subsequent Recoveries
(net of unreimbursed advances, servicing advances and other expenses, to the
extent allocable to principal) received


                                      35
<PAGE>

during such Prepayment Period with respect to the Mortgage Loans, (iv) that
portion of the Purchase Price, representing principal of any repurchased
Mortgage Loan, deposited to the collection account during such Prepayment
Period, (v) the principal portion of any related Substitution Adjustment
Amount deposited in the Collection Account during such Prepayment Period with
respect to the Mortgage Loans and (vi) on the Distribution Date on which the
Trust is to be terminated in accordance with Section 10.01 of this Agreement,
that portion of the Termination Price representing principal with respect to
the Mortgage Loans.

          Private Certificate: As specified in the Preliminary Statement.

          Proprietary Lease: The lease on a Cooperative Unit evidencing the
possessory interest of the owner of the Cooperative Shares in such Cooperative
Unit.

          Prospectus Supplement: The Prospectus Supplement dated February 26,
2007 relating to the Offered Certificates.

          Protected Account: An account established and maintained for the
benefit of Certificateholders and the Class A-7A Certificate Insurer by the
Servicer with respect to the related Mortgage Loans and with respect to REO
Property pursuant to the Servicing Agreement. Each Protected Account is
required to be an Eligible Account.

          Purchase Price: With respect to any Mortgage Loan that is purchased
by the Transferor pursuant to Section 2.02 or 2.03 hereof, a price equal to
the outstanding Principal Balance of such Mortgage Loan as of the date of
purchase, plus all accrued and unpaid interest thereon, computed at the
Mortgage Rate through the end of the calendar month in which the purchase is
effected, plus any costs and damages incurred by the Trust in connection with
any violation by such Mortgage Loan of any predatory or abusive lending law.

          Qualified Insurer: A mortgage guaranty insurance company duly
qualified as such under the laws of the state of its principal place of
business and each state having jurisdiction over such insurer in connection
with the insurance policy issued by such insurer, duly authorized and licensed
in such states to transact a mortgage guaranty insurance business in such
states and to write the insurance provided by the insurance policy issued by
it, approved as a Fannie Mae approved mortgage insurer and having a claims
paying ability rating of at least "AA" or equivalent rating by a nationally
recognized statistical rating organization. Any replacement insurer with
respect to a Mortgage Loan must have at least as high a claims paying ability
rating as the insurer it replaces had on the Closing Date.

          Qualified Mortgage Insurer: Any mortgage insurer that is Fannie Mae
and Freddie Mac approved.

          Rating Agency: Each of the rating agencies specified in the
Preliminary Statement. If any such organization or a successor is no longer in
existence, "Rating Agency" shall be such nationally recognized statistical
rating organization, or other comparable Person, as is designated by the
Depositor, notice of which designation shall be given to the Trustee, the
Class A-7A Certificate Insurer and the Trust Administrator. References herein
to a given rating category of a Rating Agency shall mean such rating category
without giving effect to any modifiers.

                                      36
<PAGE>

          Realized Loss: With respect to each Mortgage Loan that is a
Liquidated Mortgage Loan, an amount (not less than zero or more than the
Principal Balance of the Mortgage Loan) as of the date of such liquidation,
equal to (i) the unpaid Principal Balance of the Liquidated Mortgage Loan as
of the date of such liquidation, plus (ii) interest at the Net Mortgage Rate
from the Due Date as to which interest was last paid or advanced (and not
reimbursed) to Certificateholders up to the Due Date in the month in which
Liquidation Proceeds are required to be distributed on the Principal Balance
of such Liquidated Mortgage Loan from time to time, minus (iii) the
Liquidation Proceeds, if any, received during the month in which such
liquidation occurred, to the extent applied as recoveries of interest at the
Net Mortgage Rate and to principal of the Liquidated Mortgage Loan. With
respect to each Mortgage Loan which has become the subject of a Deficient
Valuation, if the principal amount due under the related Mortgage Note has
been reduced, the difference between the principal balance of the Mortgage
Loan outstanding immediately prior to such Deficient Valuation and the
principal balance of the Mortgage Loan as reduced by the Deficient Valuation.

          Recognition Agreement: An Agreement among a Cooperative Corporation,
a lender and a Mortgagor with respect to a Cooperative Mortgage Loan whereby
such parties (i) acknowledge that such lender may make, or intends to make,
such Cooperative Mortgage Loan and (ii) make certain agreements with respect
to such Cooperative Mortgage Loan.

          Record Date: With respect to any Distribution Date and any Class of
Fixed Rate Certificates or Physical Certificates, the close of business on the
last Business Day of the month preceding the month in which such Distribution
Date occurs. With respect to any Distribution Date and any Class of Adjustable
Rate Certificates held in Book-Entry Form, the last Business Day immediately
preceding such Distribution Date.

          Refinancing Mortgage Loan: Any Mortgage Loan originated in
connection with the refinancing of an existing mortgage loan.

          Regular Certificates: Each Class of Certificates, other than the
Residual Certificates.

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

          Relevant Servicing Criteria: The Servicing Criteria applicable to
each party, as set forth on Exhibit X attached hereto. Multiple parties can
have responsibility for the same Relevant Servicing Criteria. With respect to
a Servicing Function Participant engaged by any of the Master Servicer, the
Trust Administrator or the Servicer, the term Relevant Servicing Criteria may
refer to a portion of the Relevant Servicing Criteria applicable to such
parties.



                                      37
<PAGE>

           Relief Act: The Servicemembers Civil Relief Act, as amended, or any
comparable state or local statute (including the comparable provisions under
the California Military and Veterans Code, as amended).

          Relief Act Reduction: With respect to any Distribution Date and any
Mortgage Loan as to which there has been a reduction in the amount of interest
collectible thereon for the most recently ended calendar month as a result of
the application of the Relief Act, the amount, if any, by which (i) interest
collectible on such Mortgage Loan for the most recently ended calendar month
is less than (ii) interest accrued thereon for such month pursuant to the
Mortgage Note.

          REMIC: A "real estate mortgage investment conduit" within the
meaning of section 860D of the Code.

          REMIC Change of Law: Any proposed, temporary or final regulation,
revenue ruling, revenue procedure or other official announcement or
interpretation relating to REMICs and the REMIC Provisions issued after the
Closing Date.

          REMIC Maximum Rate: For each Class of Certificates (other than the
Class C, Class P and Class R Certificates) and the REMIC regular interest
represented thereby, the Net Rate Cap of such Class of 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 regulations promulgated thereunder, as foregoing may be in effect from
time to time as well as provisions of applicable state laws.

          REO Property: A Mortgaged Property acquired by the Trust Fund
through foreclosure, deed-in-lieu of foreclosure, repossession or otherwise in
connection with a defaulted Mortgage Loan.

          Reportable Event: As defined in Section 9.12.

          Reporting Servicer: As defined in Section 9.12(b)(i).

          Required Carryover Reserve Fund Deposit: With respect to any
Distribution Date, an amount equal to the excess of (i) $1,000 over (ii) the
amount of funds on deposit in the Carryover Reserve Fund after all other
deposits and withdrawals from such account on such Distribution Date.

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

          Residual Certificates: As specified in the Preliminary Statement.

          Residual Interests: As specified in the Preliminary Statement.



                                      38
<PAGE>

          Responsible Officer: When used with respect to the Trustee or the
Trust Administrator, any Director, any Managing Director, any Associate, any
Vice President, any Assistant Vice President, the Secretary, any Assistant
Secretary, any Trust Officer or any other officer of the Trustee or Trust
Administrator, as applicable, customarily performing functions similar to
those performed by any of the above designated officers having direct
responsibility for the administration of this Agreement and also 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.

          Rolling Sixty-Day Delinquency Rate: With respect to any Distribution
Date on or after the Stepdown Date, the average of the Sixty-Day Delinquency
Rates for the two immediately preceding Distribution Dates.

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

          Sarbanes-Oxley Certification: A written certification signed by a
Master Servicer Officer that complies with (i) the Sarbanes-Oxley Act, and
(ii) Exchange Act Rules 13a-14(d) and 15d-14(d), as in effect from time to
time; provided that if, after the Closing Date (a) the Sarbanes-Oxley Act is
amended, (b) the Rules referred to in clause (ii) are modified or superseded
by any subsequent statement, rule or regulation of the Commission or any
statement of a division thereof, or (c) any future releases, rules and
regulations are published by the Commission from time to time pursuant to the
Sarbanes-Oxley Act, which in any such case affects the form or substance of
the required certification and results in the required certification being, in
the reasonable judgment of the Master Servicer, materially more onerous than
the form of certification required as of the Closing Date, the Sarbanes-Oxley
Certification shall be as agreed to by the Master Servicer and the Depositor
following a negotiation in good faith to determine how to comply with any such
new requirements.

          S&P: Standard and Poor's Ratings Services, a division of The
McGraw-Hill Companies, Inc., or any successor thereto. If S&P is designated as
a Rating Agency in the Preliminary Statement, for purposes of Section
11.05(b), the address for notices to S&P shall be Standard and Poor's Ratings
Services, a division of The McGraw-Hill Companies, Inc., 55 Water Street, New
York, New York 10041, Attention: Residential Mortgage Monitoring Group, or
such other address as S&P may hereafter furnish to each other party to this
Agreement.

          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 which, unless otherwise specified herein, shall give effect to any
related Debt Service Reduction and any Deficient Valuation that affects the
amount of the monthly payment due on such Mortgage Loan.

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

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


                                      39
<PAGE>

          Senior Certificates: As specified in the Preliminary Statement.

          Senior Enhancement Percentage: With respect to any Distribution Date
on or after the Stepdown Date, a fraction (expressed as a percentage):

      (a) the numerator of which is the sum of:

          (i) the aggregate Class Principal Balance of the Mezzanine
      Certificates immediately prior to that Distribution Date and

          (ii) the Overcollateralization Amount, and,

      (b) the denominator of which is the aggregate Stated Principal
Balance of the Mortgage Loans as of the last day of the related Due Period.

          Senior Principal Distribution Amount:   For any Distribution Date,
the excess of:

      (a) the aggregate Class Principal Balance of the Senior Certificates
immediately prior to such Distribution Date, over

      (b) the lesser of (A) 85.80% of the aggregate Stated Principal
Balance of the Mortgage Loans as of the Due Date in the month of that
Distribution Date (after giving effect to principal prepayments received in
the related Prepayment Period) and (B) the aggregate Stated Principal Balance
of the Mortgage Loans as of the Due Date in the month of that Distribution
Date (after giving effect to principal prepayments received in the related
Prepayment Period) minus the OC Floor.

          Servicer: Taylor, Bean & Whitaker Mortgage Corp.

          Servicer Remittance Date: With respect to any Distribution Date, the
18th day of the month in which such Distribution Date occurs, or if such 18th
day is not a Business Day, the first Business Day immediately preceding such
18th day.

          Servicing Advances: All customary, reasonable and necessary "out of
pocket" costs and expenses incurred in the performance by the Master Servicer
of its master servicing obligations or the Servicer, as the case may be, of
its servicing obligations.

          Servicing Agreement: The Mortgage Loan Purchase and Servicing
Agreement, dated as of February 1, 2007, between TBW and the Transferor.

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

           Servicing Fee: As to each Mortgage Loan and any Distribution Date,
an amount payable out of each full payment of interest received on such
Mortgage Loan and equal to one twelfth of the Servicing Fee Rate multiplied by
the Principal Balance of such Mortgage Loan as of the Due Date in the month
immediately preceding the month in which such Distribution Date


                                      40
<PAGE>

occurs (after giving effect to any Scheduled Payments due on such Mortgage
Loan on such Due Date).

          Servicing Fee Rate: With respect to each Mortgage Loan, the per
annum rate set forth on the Mortgage Loan Schedule.

          Servicing Function Participant: Any Sub-Servicer or Subcontractor of
the Servicer, the Master Servicer, the Custodian or the Trust Administrator,
respectively.

          Sixty-Day Delinquency Rate: With respect to any Distribution Date on
or after the Stepdown Date, a fraction, expressed as a percentage, the
numerator of which is the aggregate Stated Principal Balance for such
Distribution Date of all Mortgage Loans that were 60 or more days Delinquent
as of the close of business on the last day of the calendar month preceding
such Distribution Date (including Mortgage Loans in foreclosure, bankruptcy
and REO Properties) and the denominator of which is the aggregate Stated
Principal Balance for such Distribution Date of the Mortgage Loans as of the
related Due Date (after giving effect to principal prepayments in the
Prepayment Period related to that prior Due Date).

           Standard & Poor's Glossary: The Standard & Poor's LEVELS(R)
Glossary.

          Startup Day: The Closing Date.

          Stated Principal Balance: For any Mortgage Loan and date of
determination, the unpaid principal balance of the Mortgage Loan as of the
most recent Due Date, as specified in its amortization schedule at that time
(before any adjustment to the amortization schedule for any moratorium or
similar waiver or grace period), after giving effect to (i) the payment of
principal due on that Due Date, irrespective of any delinquency in payment by
the related mortgagor and (ii) prepayments of principal and the principal
portion of liquidation proceeds received with respect to that Mortgage Loan
through the last day of the related Prepayment Period. The Stated Principal
Balance of a Liquidated Mortgage Loan is zero.

          Stepdown Date: The earlier to occur of:

      (a) the first Distribution Date following the Distribution Date on
which the aggregate Class Principal Balance of the Senior Certificates is
reduced to zero, and

      (b) the later to occur of (x) the Distribution Date in March 2010 and
(y) the first Distribution Date on which the Senior Enhancement Percentage
(calculated for this purpose after giving effect to payments or other
recoveries in respect of the Mortgage Loans during the related collection
period but before giving effect to payments on the Certificates on such
Distribution Date) is greater than or equal to 14.20%.

          Stepdown Target Subordination Percentage: With respect to each Class
of Mezzanine Certificates, the respective percentages indicated in the
following table:

                                   Stepdown Target Subordination Percentage
                                   ----------------------------------------
   Class M-1................                         10.60%
   Class M-2................                          8.70%


                                      41
<PAGE>


   Class M-3................                          7.40%
   Class M-4................                          6.20%
   Class M-5................                          5.50%
   Class M-6................                          4.80%
   Class M-7................                          4.10%
   Class M-8................                           3.40%
   Class M-9................                          2.40%
------------------

          Stock Power: With respect to a Cooperative Mortgage Loan, an
assignment of the stock certificate or an assignment of the Cooperative Shares
issued by the Cooperative Corporation.

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

          Subservicer: Any Person that services Mortgage Loans on behalf of
the Servicer, and is responsible for the performance (whether directly or
through subservicers or Subcontractors) of servicing functions required to be
performed under this Agreement, the Servicing Agreement or any sub-servicing
agreement that are identified in Item 1122(d) of Regulation AB.

          Subsequent Recoveries: Unanticipated amounts received on a
Liquidated Mortgage Loan the absence of which resulted in a Realized Loss in a
prior month.

          Subsidiary REMIC: As specified in the Preliminary Statement.

          Subsidiary REMIC Regular Interest: As specified in the Preliminary
Statement.

          Substitution Adjustment Amount: With respect to any Mortgage Loan
that is purchased by the originator is an amount equal to the excess of the
Principal Balance of the related Deleted Mortgage Loan over the Principal
Balance of such Eligible Substitute Mortgage Loan, pursuant to Section 2.03.

          Supplemental Interest Trust: A trust created pursuant to Section
4.06 of this Agreement, separate from the Trust, the corpus of which shall be
held by the Trust Administrator, in trust, for the benefit of the holders of
the Senior Certificates and the Mezzanine Certificates.

          Tax Matters Person: In the case of each REMIC created by this
Agreement, the person designated as "tax matters person" in the manner
provided under Treasury Regulations Section 1.860F-4(d) and Treasury
Regulations Section 301.6231(a)(7)-1 for such REMIC.

          TBW: Taylor Bean & Whitaker Mortgage Corp.


                                      42
<PAGE>

          Termination Price: As defined in Section 10.01(c).

          The Bank of New York: The Bank of New York, a New York banking
corporation organized under the laws of New York, and its successors and
assigns.

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

          Transferor: UBS Real Estate Securities Inc., a Delaware corporation,
seller of the Mortgage Loans to the Depositor pursuant to the Mortgage Loan
Purchase Agreement.

          Trigger Event: A Trigger Event is in effect with respect to any
Distribution Date on or after the Stepdown Date if either a Delinquency
Trigger Event is in effect with respect to that Distribution Date or a
Cumulative Loss Trigger Event is in effect with respect to that Distribution
Date.

          Trust: As defined in Section 2.01(c).

          Trust Administrator: Wells Fargo in its capacity as Trust
Administrator hereunder, and its successors and assigns, or any successor
trust administrator appointed hereunder. For purposes of the Supplemental
Interest Trust, Wells Fargo will act, not in its individual capacity, but
solely in its capacity as trustee of the Supplemental Interest Trust for the
benefit of the Holders of the Certificates under this Agreement, and any
successor thereto.

          Trust Administrator Compensation: All investment earnings on amounts
on deposit in the Distribution Account.

          Trust Collateral: As defined in Section 10.01(a).

          Trust Fund: The corpus of the trust created hereunder consisting of:
(a) the Mortgage Loan Purchase Agreement, the Assignment Agreement and the
Servicing Agreement solely as the Servicing Agreement relates to the Mortgage
Loans (other than those rights under the Servicing Agreement that do not
relate to servicing of the Mortgage Loans (including, without limitation, the
representations and warranties made by the Servicer (with respect to the
Mortgage Loans sold to the Transferor) and the document delivery requirements
of the Servicer and the remedies (including indemnification) available for
breaches thereto), which rights were retained by the Transferor pursuant to
the Assignment Agreement); (b) the Mortgage Loans and all interest and
principal received on or with respect thereto after the Cut-off Date to the
extent not applied in computing the Cut-off Date Principal Balance thereof;
(c) the Collection Account, the Policy Payments Account, the Distribution
Account, the Class A-1 Cap Account, the Class A-2 Cap Account, the Carryover
Reserve Fund and all amounts deposited therein pursuant to the applicable
provisions of this Agreement (other than, in the case of the Collection
Account, any prepayment penalties (exclusive of the Class P Prepayment
Charges) deposited therein which shall be retained by the Transferor); (d)
property that secured a Mortgage Loan and has been acquired by foreclosure,
deed-in-lieu of foreclosure or otherwise; (e) all proceeds of the conversion,
voluntary or involuntary, of any of the foregoing; and (f) with respect to the
Class A-7A Certificates only, the Class A-7A Certificate Insurance Policy.


                                      43
<PAGE>

          Trustee: The Bank of New York, and, if a successor trustee is
appointed hereunder, such successor.

          Underwriter's Exemption: Prohibited Transaction Exemption 2002-41,
67 Fed. Reg. 54487 (2002), as amended (or any successor thereto), or any
substantially similar administrative exemption granted by the U.S. Department
of Labor.

          Unpaid Realized Loss Amount: For any Class of Mezzanine
Certificates, (x) the portion of the aggregate Realized Loss Amount previously
allocated to that Class remaining unpaid from prior Distribution Dates minus
(y) any increase in the Class Principal Balance of that Class due to the
allocation of Subsequent Recoveries to the Class Principal Balance of that
Class.

          Voting Rights: The portion of the voting rights of all of the
Certificates which is allocated to any Certificate. With respect to any date
of determination, 98% of all Voting Rights will be allocated among the holders
of the Senior Certificates, the Mezzanine Certificates and the Class C
Certificates in proportion to the then outstanding Certificate Principal
Balances of their respective Certificates, 1% of all Voting Rights will be
allocated among the holders of the Class P Certificates and 1% of all Voting
Rights will be allocated among the holders of the Residual Certificates. The
Voting Rights allocated to each Class of Certificate shall be allocated among
Holders of each such Class in accordance with their respective Percentage
Interests as of the most recent Record Date; provided, however, that the
Voting Rights allocated to the Class A-7A Certificateholders are subject to
Section 12.01.

          Wells Fargo: Wells Fargo Bank, N.A. and its successors and assigns.

Section 1.02. Certain Calculations.

          Unless otherwise specified herein, for purposes of determining
amounts with respect to the Certificates and the rights and obligations of the
parties hereto, all calculations of interest for the Fixed Rate Certificates
(other than as provided in the Mortgage Loan documents) provided for herein
shall be made on the basis of a 360-day year consisting of twelve 30 day
months and all calculations of interest for the Adjustable Rate Certificates
(other than as provided in the Mortgage Loan documents) provided for herein
shall be made on the basis of the actual number of days in a year assumed to
consist of 360 days.

Section 1.03. Rights of the NIMS Insurer.

          Each of the rights of the NIMS Insurer set forth in this Agreement
shall exist so long as (i) the NIMS Insurer has undertaken to guarantee
certain payments of notes issued pursuant to the Indenture and (ii) the notes
issued pursuant to the Indenture remain outstanding or the NIMS Insurer is
owed amounts in respect of its guarantee of payment on such notes; provided,
however, the NIMS Insurer shall not have any rights hereunder (except pursuant
to Section 11.01 and any rights to indemnification hereunder in the case of
clause (ii) below) so long as (i) the NIMS Insurer has not undertaken to
guarantee certain payments of notes issued pursuant to the Indenture or (ii)
any default has occurred and is continuing under the insurance policy issued
by the NIMS Insurer with respect to such notes.



                                      44
<PAGE>

                                  ARTICLE II

                         CONVEYANCE OF MORTGAGE LOANS;
                        REPRESENTATIONS AND WARRANTIES

Section 2.01. Conveyance of Mortgage Loans.

          (a) The Depositor, concurrently with the execution and delivery
hereof, hereby sells, transfers, assigns, sets over and otherwise conveys to
the Trustee for the benefit of the Certificateholders and the Class A-7A
Certificate Insurer, without recourse, all the right, title and interest of
the Depositor in and to the Trust Fund together with all rights assigned by
the Transferor to the Depositor, pursuant to the Mortgage Loan Purchase
Agreement, solely with respect to the Mortgage Loans, and, solely with respect
to the Mortgage Loans, all of the Transferor's right, title and interest in
and to the Servicing Agreement solely as the Servicing Agreement relates to
the Mortgage Loans (other than those rights under the Servicing Agreement that
do not relate to servicing of the Mortgage Loans (including, without
limitation, the representations and warranties made by the Servicer (in its
capacity as loan seller to the Transferor) and the document delivery
requirements of the Servicer and the remedies (including indemnification)
available for breaches thereto), which rights were retained by the Transferor
pursuant to the Assignment Agreement). In connection with the foregoing
assignments, the Transferor has caused the Servicer to enter into the
Assignment Agreement.

          (b) (i) In connection with the transfer and assignment set forth in
clause (a) above, the Depositor has delivered or caused to be delivered to the
Custodian, on behalf of the Trustee, for the benefit of the Certificateholders
and the Class A-7A Certificate Insurer the following documents or instruments
with respect to each Mortgage Loan that is not a Cooperative Mortgage Loan so
assigned:

               (A) the riginal Mortgage Note endorsed by manual or facsimile
          signature in blank in the following form: "Pay to the order of
          ___________ without recourse," with all intervening endorsements
          showing a complete chain of endorsement from the originator to the
          Person endorsing the Mortgage Note (each such endorsement being
          sufficient to transfer all right, title and interest of the party so
          endorsing, as noteholder or assignee thereof, in and to that
          Mortgage Note); or, with respect to any Lost Mortgage Note, a lost
          note affidavit from the related originator or the Transferor stating
          that the original Mortgage Note was lost or destroyed, together with
           a copy of such Mortgage Note;

               (B) except as provided below, the original recorded Mortgage or
          a copy of such Mortgage certified by the related originator as being
          a true and complete copy of the Mortgage;

                (C) a duly executed assignment of the Mortgage (which may be
          included in a blanket assignment or assignments), endorsed in blank
          (except with respect to MERS designated Mortgage Loans) together
          with, except as provided below, all interim recorded assignments of
          such mortgage (each such assignment, when duly and validly
          completed, to be in recordable form and sufficient to effect




                                      45
<PAGE>

          the assignment of and transfer to the assignee thereof, under the
          Mortgage to which the assignment relates); provided that, if the
          related Mortgage has not been returned from the applicable public
          recording office, such assignment of the Mortgage may exclude the
          information to be provided by the recording office;

               (D) the original or copies of each assumption, modification,
          written assurance or substitution agreement, if any; and

               (E) except as provided below, the original or duplicate
          original lender's title policy and all riders thereto.

          (ii) In connection with the transfer and assignment set forth in
clause (a) above, the Depositor has delivered or caused to be delivered to the
Custodian, on behalf of the Trustee, for the benefit of the Certificateholders
and the Class A-7A Certificate Insurer the following documents or instruments
with respect to each Cooperative Mortgage Loan so assigned:

               (A) the Cooperative Shares, together with the Stock Power in
          blank;

               (B) the executed Security Agreement;

               (C) the executed Proprietary Lease and the Assignment of
          Proprietary Lease to the originator of the Cooperative Mortgage
          Loan;

               (D) the executed Recognition Agreement, if any;

               (E) copies of the original Financing Statement, and any
          continuation statements, filed by the originator of such Cooperative
          Mortgage Loan as secured party, each with evidence of recording
          thereof, evidencing the interest of the originator under the
          Security Agreement and the Assignment of Proprietary Lease;

               (F) copies of the filed UCC assignments or amendments of the
          security interest referenced in clause (E) above showing an unbroken
          chain of title from the originator to the Trust, each with evidence
          of recording thereof, evidencing the interest of the assignee under
          the Security Agreement and the Assignment of Proprietary Lease;

               (G) an executed assignment of the interest of the originator in
          the Security Agreement, the Assignment of Proprietary Lease and the
          Recognition Agreement, showing an unbroken chain of title from the
          originator to the Trust; and

               (H) for any Cooperative Mortgage Loan that has been modified or
          amended, the original instrument or instruments effecting such
          modification or amendment.

          Notwithstanding the foregoing, if any Mortgage has been recorded in
the name of Mortgage Electronic Registration System, Inc. ("MERS") or its
designee, no assignment of



                                      46
<PAGE>

Mortgage in favor of the Trustee will be required to be prepared or delivered
and instead, the Master Servicer shall enforce the obligations of the Servicer
under the Servicing Agreement to cause the Trustee to be shown as the owner of
the related Mortgage Loan on the records of MERS for the purpose of the system
of recording transfers of beneficial ownership of mortgages maintained by
MERS.

          If in connection with any Mortgage Loan the Depositor cannot deliver
(a) the original recorded Mortgage, (b) all interim recorded assignments or
(c) the lender's title policy (together with all riders thereto) satisfying
the requirements of clause (b)(i)(B), (C) or (E) above, respectively,
concurrently with the execution and delivery hereof because such document or
documents have not been returned from the applicable public recording office
in the case of clause (b)(i)(B) or (C) above, or because the title policy has
not been delivered to either the Custodian or the Depositor by the applicable
title insurer in the case of clause (b)(i)(E) above, the Depositor shall
promptly deliver to the Custodian, in the case of clause (b)(i)(B) or (C)
above, such original Mortgage or such interim assignment, as the case may be,
with evidence of recording indicated thereon upon receipt thereof from the
public recording office, or a copy thereof, certified, if appropriate, by the
relevant recording office, but in no event shall any such delivery of the
original Mortgage and each such interim assignment or a copy thereof,
certified, if appropriate, by the relevant recording office, be made later
than one year following the Closing Date, or, in the case of clause (b)(i)(E)
above, no later than 120 days following the Closing Date; provided, however,
in the event the Depositor is unable to deliver by such date each Mortgage and
each such interim assignment by reason of the fact that any such documents
have not been returned by the appropriate recording office, or, in the case of
each such interim assignment, because the related Mortgage has not been
returned by the appropriate recording office, the Depositor shall deliver such
documents to the Custodian as promptly as possible upon receipt thereof and,
in any event, within 720 days following the Closing Date. The Depositor shall
forward or cause to be forwarded to the Custodian (a) from time to time
additional original documents evidencing an assumption or modification of a
Mortgage Loan and (b) any other documents required to be delivered by the
Depositor to the Custodian. In the event that the original Mortgage is not
delivered and in connection with the payment in full of the related Mortgage
Loan and the public recording office requires the presentation of a "lost
instruments affidavit and indemnity" or any equivalent document, because only
a copy of the Mortgage can be delivered with the instrument of satisfaction or
reconveyance, the Custodian shall execute and deliver or cause to be executed
and delivered such a document to the public recording office. In the case
where a public recording office retains the original recorded Mortgage or in
the case where a Mortgage is lost after recordation in a public recording
office, the Transferor shall deliver to the Custodian a copy of such Mortgage
certified by such public recording office to be a true and complete copy of
the original recorded Mortgage.

          If an assignment of Mortgage is to be recorded, the Depositor shall
cause the Mortgage to be assigned to "The Bank of New York, in trust for the
TBW Mortgage-Backed Trust 2007-1 for the benefit of the Holders of the
Mortgage Pass Through Certificates, Series 2007-1" and, subject to Section
2.02, the Master Servicer shall enforce the obligations of the Servicer
pursuant to the Servicing Agreement to (i) cause such assignment to be in
proper form for recording in the appropriate public office for real property
records and (ii) cause to be delivered for recording in the appropriate public
office for real property records the assignments of the Mortgages to the
Trustee, except that, with respect to any assignments of Mortgage as to


                                      47
<PAGE>

which the Servicer has not received the information required to prepare such
assignment in recordable form, the Servicer's obligation to do so and to
deliver the same for such recording shall be as soon as practicable after
receipt of such information and in any event within ninety (90) days after
receipt thereof and except that the Servicer need not cause to be recorded any
assignment which relates to a Mortgage Loan (a) in any state where, in an
Opinion of Counsel addressed to the Trustee and the Class A-7A Certificate
Insurer, such recording is not required to protect the Trustee's interests in
the Mortgage Loan against the claim of any subsequent transferee or any
successor to or creditor of the Depositor or the Transferor, (b) in any state
where recordation is not required by either Rating Agency to obtain the
initial ratings on the Certificates set forth in the Prospectus Supplement or
(c) with respect to any Mortgage which has been recorded in the name of MERS,
or its designee. As of the date hereof, recordation is not required in any
state by either Rating Agency to obtain the initial rating on the Certificates
(upon which statement the Master Servicer, the Trustee and the Custodian may
conclusively rely).

          In the case of Mortgage Loans that have been prepaid in full as of
the Closing Date, the Depositor, in lieu of delivering the above documents to
the Custodian on behalf of the Trustee, will deposit in the Collection Account
the portion of such payment that is required to be deposited in the Collection
Account pursuant to Section 3.07 hereof.

      (c) The Depositor does hereby establish, pursuant to the further
provisions of this Agreement and the laws of the State of New York, an express
trust (the "Trust") to be known, for convenience, as "TBW Mortgage-Backed
Trust 2007-1" and The Bank of New York, is hereby appointed as Trustee in
accordance with the provisions of this Agreement.

      (d) The Depositor and the Trustee on behalf of the Trust agree and
understand that it is not intended that any Mortgage Loan be included in the
Trust Fund that is (i) a "High Cost Home Loan" as defined in the New Jersey
Home Ownership Act effective November 27, 2003, (ii) a "High Cost Home Loan"
as defined in the New Mexico Home Loan Protection Act effective January 1,
2004, (iii) a "High Cost Home Mortgage Loan" as defined in the Massachusetts
Predatory Home Loan Practices Act effective November 7, 2004, (iv) a "high
risk home loan" under the Illinois High Risk Home Loan Act, effective as of
January 1, 2004, or (v) a "high cost home loan" under the Indiana High Cost
Home Loan Law, effective January 1, 2005. The Trustee shall be entitled to
indemnification from the Depositor and the Trust Fund for any loss, liability
or expense arising out of, or in connection with, the provisions of the
preceding sentence, including, without limitation, all costs, liabilities and
expenses (including reasonable legal fees and expenses) of investigating and
defending itself against any claim, action or proceeding, pending or
threatened, relating to such provisions.

      (e) Each of the Collection Account and Distribution Account shall at
all times be an Eligible Account, provided that the Collection Account may be
deemed to be a sub-account of the Distribution Account. If at any time either
the Collection Account or the Distribution Account ceases to be an Eligible
Account, the Master Servicer or the Trust Administrator, as applicable, shall
immediately establish and maintain a new Collection Account or Distribution
Account, as applicable, that is an Eligible Account, and shall immediately
transfer all funds on deposit in the former Collection Account or Distribution
Account, as applicable, to the new Collection Account or Distribution Account,
as applicable.



                                      48
<PAGE>

      (f) The Depositor hereby directs the Trust Administrator to execute,
deliver and perform its obligations under the Class A-1 Cap Contract and the
Class A-2 Cap Contract. The Transferor, the Depositor, the Master Servicer,
the Trustee and the Holders of the Class A-1 and Class A-2 Certificates,
respectively, by their acceptance of such Certificates acknowledge and agree
that the Trust Administrator shall execute, deliver and perform its
obligations under the Class A-1 Cap Contract and the Class A-2 Cap Contract
and shall do so solely in its capacity as Trust Administrator, and not in its
individual capacity. Every provision of this Agreement relating to the conduct
or affecting the liability of or affording protection to the Trust
Administrator shall apply to the Trust Administrator's execution of the Class
A-1 Cap Contract and the Class A-2 Cap Contract, and the performance of its
duties and satisfaction of its obligations thereunder.

Section 2.02. Acceptance by Trustee of the Mortgage Loans.

          The Custodian, on behalf of the Trustee, will acknowledge receipt of
the documents identified in the Initial Certification issued by it in the form
annexed to the Custodial Agreement as Exhibit 1 and will declare that it holds
and will hold such related documents and the other documents delivered to it
constituting the Mortgage Files, and the Custodian and Trustee together
declare that it holds or will hold such other assets as are included in the
Trust Fund, in trust for the exclusive use and benefit of all present and
future Certificateholders and the Class A-7A Certificate Insurer. The
Custodian acknowledges that it will maintain possession of the Mortgage Notes
held by it in the State of Florida, unless otherwise permitted by the Rating
Agencies, the Trustee and the Class A-7A Certificate Insurer.

          The Custodian has agreed to execute and deliver on the Closing Date
to the Depositor, the Trust Administrator and the Trustee an Initial
Certification in the form annexed to the Custodial Agreement as Exhibit 1.
Based on its review and examination, and only as to the documents identified
in such Initial Certification, the Custodian acknowledges, subject to any
applicable exceptions noted on Exhibit 1, that such documents appear regular
on their face and relate to such Mortgage Loan. The Custodian shall be under
no duty or obligation to (i) inspect, review or examine said documents,
instruments, certificates or other papers to determine that the same are
genuine, enforceable or appropriate for the represented purpose or that they
have actually been recorded in the real estate records or that they are other
than what they purport to be on their face or (ii) determine whether the
Mortgage File should include any of the documents specified in Section
2.01(b)(i)(D) with respect to each Mortgage Loan that is not a Cooperative
Mortgage Loan and Section 2.01(b)(ii)(H) with respect to each Cooperative
Mortgage Loan, unless the Mortgage Loan Schedule indicates that such documents
are applicable.

          Not later than 90 days after the Closing Date, the Custodian shall
deliver to the Depositor, the Class A-7A Certificate Insurer, the Trustee, the
Trust Administrator and the Transferor a Final Certification in the form
annexed to the Custodial Agreement as Exhibit 2, with any applicable
exceptions noted thereon. Upon receipt of written request from the Depositor,
the Master Servicer, the Trust Administrator or the Trustee, the Custodian
shall as soon as practicable supply such Person with a list of all of the
documents relating to the Mortgage Loans missing from the Mortgage Files, in
accordance with the Custodial Agreement.

                                       49
<PAGE>

          If, in the course of such review, the Custodian finds any document
constituting a part of a related Mortgage File which does not meet the
requirements of Section 2.01, the Custodian shall list such as an exception in
the Final Certification; provided, however, that the Custodian shall not make
any determination as to whether (i) any endorsement is sufficient to transfer
all right, title and interest of the party so endorsing, as noteholder or
assignee thereof, in and to that Mortgage Note, (ii) any assignment is in
recordable form or is sufficient to effect the assignment of and transfer to
the assignee thereof under the mortgage to which the assignment relates or
(iii) the Mortgage File should include any of the documents specified in
Section 2.01(b)(i)(D) with respect to each Mortgage Loan that is not a
Cooperative Mortgage Loan and Section 2.01(b)(ii)(H) with respect to each
Cooperative Mortgage Loan, unless the Mortgage Loan Schedule indicates that
such documents are applicable.

          The Transferor shall promptly correct or cure such document defects,
and if the Transferor fails to correct or cure the defect within ninety (90)
days of the earlier of its discovery or its receipt of written notice of any
document constituting a part of a Mortgage File that does not meet the
requirements of Section 2.01, and such defect materially and adversely affects
the interests of the Certificateholders or the Class A-7A Certificate Insurer
in the related Mortgage Loan, the Transferor shall repurchase the affected
Mortgage Loan from the Trustee at the Purchase Price. In each case, such
Deleted Mortgage Loan will be removed from the Trust. Any such purchase of a
Deleted Mortgage Loan shall not be effected prior to the delivery to the
Custodian of a Request for Release substantially in the form of Exhibit M. The
Purchase Price for any such Deleted Mortgage Loan shall be paid by the
Transferor to the Master Servicer for deposit in the Collection Account on or
prior to the Distribution Account Deposit Date for the Distribution Date in
the month following the month of repurchase and, upon receipt of such deposit,
the Master Servicer shall instruct the Custodian to release, and the Custodian
shall release, the related Mortgage File to the Transferor and the Trustee
shall execute and deliver at the Transferor's written request such instruments
of transfer or assignment prepared by the Transferor, in each case without
recourse, representation or warranty, as shall be necessary to vest in the
Transferor, or a designee, the Trustee's interest in any Deleted Mortgage Loan
released pursuant hereto. The Transferor shall promptly reimburse the Master
Servicer and the Trustee for any expenses reasonably incurred by the Master
Servicer or the Trustee in respect of enforcing such repurchase by the
Transferor.

          The Custodian shall retain possession and custody of each related
Mortgage File in accordance with and subject to the terms and conditions of
the Custodial Agreement. Pursuant to the terms of the Servicing Agreement, the
Master Servicer shall cause the Servicer to promptly deliver to the Custodian,
who shall thereupon promptly deposit within each Mortgage File, upon the
execution or receipt thereof, the originals of such other documents or
instruments constituting the Mortgage File as come into the possession of the
Servicer from time to time.

          It is understood and agreed that the obligations of the Transferor
hereunder to purchase any Mortgage Loan which does not meet the requirements
of Section 2.01 above or substitute for the related Mortgage Loan an Eligible
Substitute Mortgage Loan shall constitute the sole remedies respecting such
defect available to the Trustee, the Master Servicer, the Depositor and any
Certificateholder.

                                      50
<PAGE>

Section 2.03. Remedies for Breaches of Representations and Warranties.

          The Transferor hereby makes the representations and warranties set
forth in Schedule II hereto, and by this reference incorporated herein, to the
Depositor, the Class A-7A Certificate Insurer and the Trustee, as of the
Closing Date, or if so specified therein, as of the Cut-off Date. With respect
to any representation and warranties set forth on Schedule II hereto which are
made to the best of the Transferor's knowledge if it is discovered by any of
the Depositor, the Class A-7A Certificate Insurer, the Master Servicer, the
Transferor, the Servicer, the Trustee or the Trust Administrator that the
substance of such representation and warranty is inaccurate and such
inaccuracy materially and adversely affects the value of the related Mortgage
Loan or the interests of the Certificateholders or the Class A-7A Certificate
Insurer therein, notwithstanding the Transferor's lack of knowledge with
respect to the substance of such representation or warranty, such inaccuracy
shall be deemed a breach of the applicable representation or warranty.

          Upon discovery by any of the Depositor, the Class A-7A Certificate
Insurer, the Transferor, the Master Servicer, the Trust Administrator or the
Custodian of a breach of a representation or warranty made by the Transferor
pursuant to this Section 2.03 that materially and adversely affects the
interests of the Certificateholders or the Class A-7A Certificate Insurer in
any Mortgage Loan, the party discovering such breach shall give prompt notice
thereof to the other parties and the Trustee. Notwithstanding the foregoing, a
breach which causes a Mortgage Loan not to constitute a "qualified mortgage"
within the meaning of Section 860G(a)(3) of the Code will be deemed
automatically to materially and adversely affect the interests of the
Certificateholders in such Mortgage Loan. Upon receiving notice of a breach,
the Trustee shall in turn notify the Transferor of such breach. The Trustee
shall enforce the obligations of the Transferor in accordance with this
Section 2.03 to correct or cure any such breach of a representation or
warranty made herein, and if the Transferor fails to correct or cure the
defect within such period, and such defect materially and adversely affects
the interests of the Certificateholders or the Class A-7A Certificate Insurer
in the related Mortgage Loan, the Trustee shall enforce the Transferor's
obligations hereunder to (i) purchase such Mortgage Loan at the Purchase Price
or (ii) substitute for the related Mortgage Loan an Eligible Substitute
Mortgage Loan. In each case, such Deleted Mortgage Loan will be removed from
the Trust Fund.

          The Transferor hereby covenants that within ninety (90) days of the
earlier of its discovery or its receipt of written notice from any party of a
breach of any representation or warranty made pursuant to this Section 2.03
which materially and adversely affects the interest of the Certificateholders
or the Class A-7A Certificate Insurer in any Mortgage Loan, it shall cure such
breach in all material respects, and if such breach is not so cured, shall,
(i) if such ninety (90) day period expires prior to the second anniversary of
the Closing Date, remove such Deleted Mortgage Loan from the Trust Fund and
substitute in its place an Eligible Substitute Mortgage Loan or Mortgage Loans
into the Trust Fund, in the manner and subject to the conditions set forth in
this Section; or (ii) repurchase the affected Mortgage Loan or Mortgage Loans
from the Trustee at the Purchase Price in the manner set forth below. The
Transferor shall promptly reimburse the Master Servicer, the NIMS Insurer, the
Class A-7A Certificate Insurer and the Trustee for any expenses reasonably
incurred by the Master Servicer, the NIMS Insurer,




                                      51
<PAGE>

the Class A-7A Certificate Insurer or the Trustee in respect of enforcing the
remedies for such breach by the Transferor.

          With respect to any Eligible Substitute Mortgage Loan or Mortgage
Loans, the Transferor shall deliver to the Custodian on behalf of the Trustee,
for the benefit of the Certificateholders and the Class A-7A Certificate
Insurer, the Mortgage Note, the Mortgage, the related assignment of the
Mortgage, and such other documents and agreements as are required by Section
2.01, with the Mortgage Note endorsed and the Mortgage assigned as required by
Section 2.01. No substitution is permitted to be made on any day in any
calendar month after the Determination Date for such month.

          With respect to substitutions made by the Transferor, Scheduled
Payments due with respect to Eligible Substitute Mortgage Loans in the month
of substitution shall not be part of the Trust Fund and will be retained by
the Transferor on the next succeeding Distribution Date. For the month of
substitution, distributions to Certificateholders will include the monthly
payment due on any Deleted Mortgage Loan for such month and thereafter the
Transferor shall be entitled to retain all amounts received in respect of such
Deleted Mortgage Loan. The Custodian shall amend the Mortgage Loan Schedule
for the benefit of the Certificateholders and the Class A-7A Certificate
Insurer to reflect the removal of such Deleted Mortgage Loan and the
substitution of the Eligible Substitute Mortgage Loan or Mortgage Loans and
the Custodian shall deliver the amended Mortgage Loan Schedule to the Trustee.
Upon such substitution, the Eligible Substitute Mortgage Loan or Mortgage
Loans shall be subject to the terms of this Agreement in all respects, and the
Transferor shall be deemed to have made with respect to such Eligible
Substitute Mortgage Loan or Mortgage Loans, as of the date of substitution,
the representations and warranties made pursuant to this Section 2.03 with
respect to such Mortgage Loan. Upon any such substitution and the deposit to
the Collection Account of the amount required to be deposited therein in
connection with such substitution as described in the following paragraph, the
Custodian shall release the Mortgage File held for the benefit of the
Certificateholders relating to such Deleted Mortgage Loan to the Transferor
and the Trustee shall execute and deliver at the Transferor's direction such
instruments of transfer or assignment prepared by the Transferor, without
recourse, representation or warranty, as shall be necessary to vest title in
the Transferor, as applicable, or its designee, the Trustee's interest in any
Deleted Mortgage Loan substituted for pursuant to this Section 2.03.

          For any month in which the Transferor substitutes one or more
Eligible Substitute Mortgage Loans for one or more Deleted Mortgage Loans, the
Master Servicer will determine the amount (if any) by which the aggregate
principal balance of all such Eligible Substitute Mortgage Loans as of the
date of substitution is less than the aggregate Principal Balance of all such
Deleted Mortgage Loans (after application of the scheduled principal portion
of the monthly payments received in the month of substitution). The amount of
such shortage (the "Substitution Adjustment Amount") plus an amount equal to
the aggregate of any unreimbursed Advances with respect to such Deleted
Mortgage Loans shall be remitted by the Transferor to the Master Servicer, and
the Master Servicer shall deposit such amounts received from the Transferor
into the Collection Account on or before the Distribution Account Deposit Date
for the Distribution Date in the month succeeding the calendar month during
which the related Mortgage Loan became required to be purchased or replaced
hereunder.



                                      52
<PAGE>

          In the event that the Transferor shall have repurchased a Mortgage
Loan, the Purchase Price therefor shall be deposited in the Collection Account
pursuant to Section 3.07 on or before the Distribution Account Deposit Date
for the Distribution Date in the month following the month during which the
Transferor became obligated hereunder to repurchase or replace such Mortgage
Loan and upon such deposit of the Purchase Price and receipt of a Request for
Release in the form of Exhibit M hereto, the Custodian shall release the
related Mortgage File held for the benefit of the Certificateholders and the
Class A-7A Certificate Insurer to the Transferor, and the Trustee shall
execute and deliver at the Transferor's direction such instruments of transfer
or assignment prepared by the Transferor, in each case without recourse,
representation or warranty, as shall be necessary to transfer title from the
Trustee. It is understood and agreed that the obligation under this Agreement
of the Transferor to cure, repurchase or replace any Mortgage Loan as to which
a breach has occurred and is continuing shall constitute the sole remedies
against the Transferor respecting such matters available to
Certificateholders, the Master Servicer, the NIMS Insurer, the Depositor, the
Trust Administrator or the Trustee on their behalf.

          The provisions of this Section 2.03 shall survive the conveyance and
assignment of the Mortgage Files to the Trustee and the delivery of the
respective Mortgage Files to the Custodian for the benefit of the Trustee, the
Certificateholders and the Class A-7A Certificate Insurer.

Section 2.04. Representations and Warranties of the Depositor as to the
Mortgage Loans.

          The Depositor hereby represents and warrants to the Trustee, the
Trust Administrator, the NIMS Insurer, the Class A-7A Certificate Insurer and
the Master Servicer with respect to each Mortgage Loan as of the date hereof
or such other date set forth herein that as of the Closing Date, and following
the transfer of the Mortgage Loans to it by the Transferor, the Depositor had
good title to the Mortgage Loans and the Mortgage Notes were subject to no
offsets, liens, defenses or counterclaims.

          It is understood and agreed that the representations and warranties
set forth in this Section 2.04 shall survive delivery of the Mortgage Files to
the Custodian. Upon discovery by the Depositor, the Transferor, the Master
Servicer, the Class A-7A Certificate Insurer, the Trust Administrator, the
NIMS Insurer or the Trustee of a breach of any of the foregoing
representations and warranties set forth in this Section 2.04 (referred to
herein as a "breach"), which breach materially and adversely affects the
interest of the Certificateholders or the Class A-7A Certificate Insurer, the
party discovering such breach shall give prompt written notice to the other
parties hereto and to each Rating Agency.

Section 2.05. [Reserved].

Section 2.06. Execution and Delivery of Certificates.

          The Trustee acknowledges the transfer and assignment to it of the
Trust Fund and acknowledges the issuance of the Subsidiary REMIC Regular
Interests, all as described in the Preliminary Statement and the Residual
Certificates in exchange therefor. The Trustee further acknowledges the
transfer and assignment to it of the Subsidiary REMIC Regular Interests and,



                                       53
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concurrently with such transfer and assignment, the Trust Administrator, on
its behalf, has executed, authenticated and delivered to or upon the order of
the Depositor, the Certificates in authorized denominations evidencing
directly or indirectly the entire ownership of the Trust Fund. The Trustee
agrees to hold the Trust Fund and the Subsidiary REMIC Regular Interests and
to exercise the rights referred to above for the benefit of all present and
future Holders of the Certificates and the Class A-7A Certificate Insurer and
to perform the duties set forth in this Agreement to the best of its ability,
to the end that the interests of the Holders of the Certificates and the Class
A-7A Certificate Insurer may be adequately and effectively protected.

Section 2.07. REMIC Matters.

          The Preliminary Statement sets forth the designations as "regular
interests" or "residual interests" 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
shall have the calendar year as its fiscal year and shall use the accrual
method of accounting.

Section 2.08. Covenants of the Master Servicer.

          The Master Servicer hereby covenants to the Depositor and the
Trustee as follows:

               (i) subject to Section 3.01, the Master Servicer shall cause
          the Servicer to perform its obligations under the Servicing
          Agreement; and

                (ii) no written information, certificate of an officer,
          statement furnished in writing or written report delivered to the
          Depositor, any affiliate of the Depositor or the Trustee and
          prepared by the Master Servicer pursuant to this Agreement will
          contain any untrue statement of a material fact or omit to state a
          material fact necessary to make such information, certificate,
          statement or report not misleading at the time provided.

Section 2.09. Representations and Warranties of the Master Servicer.

          The Master Servicer hereby represents and warrants to the Depositor,
the Trustee and the Class A-7A Certificate Insurer, as of the Closing Date, or
if so specified herein, as of the Cut-off Date:

      (a) The Master Servicer is duly organized as a national banking
association and is validly existing and in good standing under the laws of the
United States of America and is duly authorized and qualified to transact any
and all business contemplated by this Agreement to be conducted by the Master
Servicer in any state in which a Mortgaged Property is located or is otherwise
not required under applicable law to effect such qualification and, in any
event, is in compliance with the doing business laws of any such state, to
master service the Mortgage Loans in accordance with the terms of this
Agreement and to perform any of its other obligations under this Agreement in
accordance with the terms hereof.

      (b) The Master Servicer has the full power and authority to master
service each Mortgage Loan, and to execute, deliver and perform, and to enter
into and consummate the


                                      54
<PAGE>

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 (i) the enforceability hereof may be limited by bankruptcy, insolvency,
moratorium, receivership and other similar laws relating to creditors' rights
generally and (ii) 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 relating thereto may be
brought.

      (c) The execution and delivery of this Agreement by the Master
Servicer, and the master servicing of the Mortgage Loans by the Master
Servicer 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 (i) result in a material breach of any term or
provision of the articles of incorporation or by-laws of the Master Servicer,
(ii) 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 (iii) 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.

      (d) The Master Servicer or an affiliate thereof is an approved
servicer of conventional mortgage loans for Fannie Mae or Freddie Mac and is a
mortgagee approved by the Secretary of Housing and Urban Development pursuant
to Sections 203 and 211 of the National Housing Act.

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

      (f) No consent, approval, authorization or, to the knowledge of the
Master Servicer, 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 thereby, or if any such consent, approval,
authorization or order is required, the Master Servicer has obtained the same.



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                                 ARTICLE III

                           ADMINISTRATION AND MASTER
                          SERVICING OF MORTGAGE LOANS

Section 3.01. Master Servicing of Mortgage Loans.

          For and on behalf of the Certificateholders and the Class A-7A
Certificate Insurer, the Master Servicer shall supervise, monitor and oversee
the obligation of the Servicer to service and administer the Mortgage Loans in
accordance with the terms of the Servicing Agreement and shall have full power
and authority to do any and all things which it may deem necessary or
desirable in connection with such master servicing and administration. In
performing its obligations hereunder, the Master Servicer shall act in a
manner consistent with this Agreement, subject to the prior sentence, and with
customary and usual standards of practice of prudent mortgage loan master
servicers. Furthermore, the Master Servicer shall oversee and consult with the
Servicer as necessary from time to time to carry out the Master Servicer's
obligations hereunder, shall receive, review and evaluate all reports,
information and other data provided to the Master Servicer by the Servicer and
shall cause the Servicer to perform and observe the covenants, obligations and
conditions to be performed or observed by the Servicer under the Servicing
Agreement. The Master Servicer shall independently and separately monitor the
Servicer's servicing activities with respect to each related Mortgage Loan,
reconcile the results of such monitoring with such information provided in the
previous sentence on a monthly basis and coordinate corrective adjustments to
the Servicer's and Master Servicer's records, and based on such reconciled and
corrected information, prepare the statements specified in Section 4.04 and
any other information and statements required hereunder. The Master Servicer
shall reconcile the results of its Mortgage Loan monitoring with the actual
remittances of the Servicer to the Collection Account pursuant to the
Servicing Agreement.

          In accordance with the standards of the preceding paragraph and to
the extent the Servicer does not make such advance, the Master 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,
which advances shall be reimbursable in the first instance from related
collections from the Mortgagors pursuant to Section 3.07, and further as
provided in Section 3.10. The costs incurred by the Master Servicer, if any,
in effecting the timely payment 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
Scheduled Principal Balances of the related Mortgage Loans, notwithstanding
that the terms of such Mortgage Loans so permit.

Section 3.02. Monitoring of Servicer.

      (a) The Master Servicer shall be responsible for reporting to the
Trustee, the Trust Administrator and the Depositor the compliance by the
Servicer with its duties under the Servicing Agreement. In the review of the
Servicer's activities, the Master Servicer may rely upon an officer's
certificate of the Servicer with regard to the Servicer's compliance with the
terms of the Servicing Agreement. In the event that the Master Servicer, in
its judgment, determines that the Servicer should be terminated in accordance
with the Servicing Agreement,



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<PAGE>

or that a notice should be sent pursuant to the Servicing Agreement with
respect to the occurrence of an event that, unless cured, would constitute
grounds for such termination, the Master Servicer shall notify the Depositor,
the Trust Administrator, the Class A-7A Certificate Insurer and the Trustee
thereof and the Master Servicer shall issue such notice or take such other
action as it deems appropriate.

      (b) The Master Servicer, for the benefit of the Trustee, the Trust
Administrator, the Certificateholders and the Class A-7A Certificate Insurer,
shall enforce the obligations of the Servicer under the Servicing Agreement,
and shall, in the event that the Servicer fails to perform its obligations in
accordance with the Servicing Agreement, subject to the preceding paragraph,
terminate the rights and obligations of the Servicer thereunder and act as
successor Servicer of the related Mortgage Loans or cause the Trustee to enter
into a new Servicing Agreement with a successor Servicer selected by the
Master Servicer and acceptable to the Class A-7A Certificate Insurer;
provided, however, it is understood and acknowledged by the parties hereto
that there will be a period of transition (not to exceed 90 days) before the
actual servicing functions can be fully transferred to such successor
Servicer. Such enforcement, including, without limitation, the legal
prosecution of claims, termination of the Servicing Agreement and the pursuit
of other appropriate remedies, shall be in such form and carried out to such
an extent and at such time as the Master Servicer, in its good faith business
judgment, would require were it the owner of the related Mortgage Loans. The
Master Servicer shall pay the costs of such enforcement at its own expense,
provided that the Master Servicer shall not be required to prosecute or defend
any legal action except to the extent that the Master Servicer shall have
received reasonable indemnity for its costs and expenses in pursuing such
action.

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

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

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

      (f) If the Servicer fails to make its required payment of
Compensating Interest on any Distribution Date, the Master Servicer will be
required to make such payment of Compensating Interest to the same extent that
the Servicer was required to make such payment of Compensating Interest.

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<PAGE>

      (g) To the extent the Servicer requests the consent of the Trust or
the Master Servicer with respect to any servicing related matter for which the
Servicer is required to seek consent under the Servicing Agreement or
Assignment Agreement, the Master Servicer shall promptly or within the time
frame specified in the Servicing Agreement, if any, evaluate such request for
consent in the best interest of the Trust and the Certificateholders, and
grant or withhold such consent accordingly.

      (h) To the extent the Servicer is obligated under the Servicing
Agreement to procure the consent of the Master Servicer in connection with the
Servicer's engagement of a Subservicer to perform any servicing
responsibilities under the Servicing Agreement with respect to the related
Mortgage Loans, the Master Servicer will only give such consent if that
Subservicer first agrees in writing with the Servicer and the Master Servicer
to deliver an Annual Statement of Compliance, an Assessment of Compliance and
an Accountant's Attestation in such manner and at such times that permit the
Servicer and the Master Servicer to comply with Sections 3.21 and 3.22 of this
Agreement.

      (i) The Master Servicer shall enforce any negative covenant in the
Servicing Agreement which prohibits the Servicer from outsourcing one or more
separate servicing functions under the Servicing Agreement with respect to the
Mortgage Loans to any Subcontractor unless that Subcontractor first agrees in
writing with the Servicer and the Master Servicer to deliver an Assessment of
Compliance and an Accountant's Attestation in such manner and at such times
that permits the Servicer and the Master Servicer to comply with Section 3.22
of this Agreement.

Section 3.03. [Reserved].

Section 3.04. Rights of the Depositor and the Trustee in Respect of the Master
Servicer.

          The Depositor may, but is not obligated to, enforce the obligations
of the Master Servicer hereunder and may, but is not obligated to, perform, or
cause a designee to perform, any defaulted obligation of the Master Servicer
hereunder and in connection with any such defaulted obligation to exercise the
related rights of the Master Servicer hereunder; provided that the Master
Servicer shall not be relieved of any of its obligations hereunder by virtue
of such performance by the Depositor or its designee. Neither the Trustee nor
the Depositor shall have any responsibility or liability for any action or
failure to act by the Master Servicer or the Servicer nor shall the Trustee or
the Depositor be obligated to supervise the performance of the Master Servicer
hereunder or the Servicer under the Servicing Agreement or otherwise.

Section 3.05. Trustee to Act as Master Servicer.

          In the event that the Master Servicer shall for any reason no longer
be the Master Servicer hereunder (including by reason of a Master Servicer
Event of Termination), the Trustee or its successor shall in accordance with
Section 7.02 thereupon assume all of the rights and obligations of the Master
Servicer hereunder arising thereafter (except that the Trustee shall not be
(i) liable for losses of the predecessor Master Servicer pursuant to Section
3.07 hereof (or any acts or omissions of the predecessor Master Servicer
hereunder), (ii) obligated to make Advances if it is prohibited from doing so
by applicable law, (iii) obligated to effectuate repurchases or


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<PAGE>

substitutions of Mortgage Loans hereunder including, but not limited to,
repurchases or substitutions of Mortgage Loans pursuant to Section 2.02 or
2.03 hereof, (iv) responsible for expenses of the Master Servicer pursuant to
Section 2.03 hereof, (v) deemed to have made any representations and
warranties of the Master Servicer pursuant to Section 2.09 hereunder or (vi)
obligated to perform any obligation of the Master Servicer under Section 3.21
or 3.22 with respect to any period of time the Trustee was not the Master
Servicer). Any such assumption shall be subject to Section 7.02 hereof. If the
Master Servicer shall for any reason no longer be the Master Servicer
(including by reason of any Master Servicer Event of Termination), the Trustee
or its successor may, but shall not be obligated to, succeed to any rights and
obligations of the Master Servicer under each subservicing agreement.

          The Master Servicer shall, upon request of the Trustee, but at the
expense of the Master Servicer, deliver to the assuming party all documents
and records relating to each subservicing agreement or substitute subservicing
agreement and the Mortgage Loans then being serviced thereunder and an
accounting of amounts collected or held by it and otherwise use its best
efforts to effect the orderly and efficient transfer of each subservicing
agreement or substitute subservicing agreement to the assuming party.

          The Trustee or successor master servicer shall be entitled to be
reimbursed from the Master Servicer for all costs associated with the transfer
of master servicing from the Master Servicer, including, without limitation,
any costs or expenses associated with the complete transfer of all master
servicing data and the completion, correction or manipulation of such master
servicing data as may be required by the Trustee or successor master servicer
to correct any errors or insufficiencies in the master servicing data or
otherwise to enable the Trustee or successor master servicer to master service
the Mortgage Loans properly and effectively.

          If the Master Servicer does not pay such reimbursement within thirty
(30) days of its receipt of an invoice therefor, such reimbursement shall be
an expense of the Trust and the Trustee shall be entitled to withdraw such
reimbursement from amounts on deposit in the Distribution Account pursuant to
Section 3.10(b)(iii); provided that the Master Servicer shall reimburse the
Trust for any such expense incurred by the Trust.

Section 3.06.   Protected Accounts.

      (a) The Master Servicer shall enforce the obligation of the Servicer
to establish and maintain a Protected Account in accordance with the Servicing
Agreement, with records to be kept with respect thereto on a Mortgage Loan by
Mortgage Loan basis, into which accounts shall be deposited within 48 hours
(or as of such other time specified in the Servicing Agreement) of receipt all
collections of principal and interest on any Mortgage Loan or amounts received
with respect to any REO Property, including Principal Prepayments, Insurance
Proceeds, Liquidation Proceeds, and Advances made from the Servicer's own
funds (less servicing compensation as permitted by the Servicing Agreement in
the case of the Servicer) and all other amounts to be deposited in the
Protected Account. The Master Servicer is hereby authorized to make
withdrawals from and deposits to the related Protected Account for purposes
required or permitted by this Agreement.



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<PAGE>

      (b) In accordance with the terms of the Servicing Agreement, amounts
on deposit in a Protected Account are required to be invested by the Servicer
in Permitted Investments. The income earned from investments made pursuant to
this Section 3.06 shall be paid to the Servicer under the Servicing Agreement,
and the risk of loss of moneys required to be distributed to the
Certificateholders resulting from such investments shall be borne by and be
the risk of the Servicer. The Servicer (to the extent provided in the
Servicing Agreement) shall deposit the amount of any such loss in the
Protected Account within two Business Days of receipt of notification of such
loss but not later than the second Business Day prior to the Distribution Date
on which the moneys so invested are required to be distributed to the
Certificateholders.

Section 3.07.   Collection of Mortgage Loan Payments; Collection Account;
Distribution Account; Class A-1 Cap Account; Class A-2 Cap Account; Class P
Reserve Fund.

          (a) The Master Servicer shall enforce the obligation of the Servicer
to collect all payments called for under the terms and provisions of the
Mortgage Loans to the extent such procedures shall be consistent with the
Servicing Agreement and the terms and provisions of any related Required
Insurance Policy.

          (b) The Master Servicer shall establish and maintain a Collection
Account, which may be deemed to be a sub account of the Distribution Account,
into which the Master Servicer shall deposit or cause to be deposited within
two Business Days of receipt, except as otherwise specifically provided
herein, the following payments and collections remitted by the Servicer, or
received by it in respect of Mortgage Loans subsequent to the Cut off Date
(other than in respect of principal and interest due on the Mortgage Loans on
or before the Cut off Date) and the following amounts required to be deposited
hereunder:

                (i) all payments on account of principal on the Mortgage Loans,
          including Principal Prepayments;

               (ii) all payments on account of interest on the Mortgage Loans,
          net of the related Servicing Fee;

                (iii) all Liquidation Proceeds (including Insurance Proceeds),
          other than proceeds to be applied to the restoration or repair of
          the Mortgaged Property or released to the Mortgagor in accordance
          with the Servicer's or Master Servicer's normal servicing
          procedures, and all Recoveries;

               (iv) any amount required to be deposited by the Master Servicer
          pursuant to Section 3.07(e) in connection with any losses on
          Permitted Investments;

               (v) any amounts required to be deposited by the Master Servicer
          pursuant to Section 3.15(b) and 3.15(d), and in respect of net
          monthly rental income from REO Property pursuant to Section 3.15
          hereof;

                (vi) all Substitution Adjustment Amounts;

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



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<PAGE>

               (viii) any Class P Prepayment Charges;

                (ix) any Compensating Interest payments;

               (x) any amounts deposited by the Master Servicer in connection
          with a deductible clause in any blanket hazard insurance policy in
          respect of the Mortgage Loans;

                (xi) all proceeds of a primary mortgage guaranty insurance
          policy in respect of the Mortgage Loans; and

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

          In the event that the Master Servicer shall deposit into the
Collection Account any amount not required to be deposited, it may at any time
withdraw such amount from the Collection Account, any provision herein to the
contrary notwithstanding. The Master 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 and the Class A-7A Certificate Insurer until withdrawn in
accordance with Section 3.10.

     (c) [Reserved].

     (d) The Trust Administrator shall establish and maintain, on behalf
of the Certificateholders and the Class A-7A Certificate Insurer, the
Distribution Account. The Trust Administrator shall, promptly upon receipt but
no later than on the Distribution Account Deposit Date, deposit in the
Distribution Account and retain therein the following:

               (i) the aggregate amount remitted by the Master Servicer to the
          Trust Administrator pursuant to Section 3.10(a)(ix)(A);

                (ii) any amount deposited by the Master Servicer or the Trust
          Administrator pursuant to Section 3.07(e) in connection with any
          losses on Permitted Investments; and

               (iii) any other amounts described hereunder which are required
          to be deposited in the Distribution Account.

In the event that the Master Servicer shall remit any amount not required to
be remitted, it may at any time direct the Trust Administrator in writing to
withdraw such amount from the Distribution Account, any provision herein to
the contrary notwithstanding. Such direction may be accomplished by delivering
an Officer's Certificate to the Trust Administrator which describes the
amounts deposited in error in the Distribution Account. All funds deposited in
the Distribution Account shall be held by the Trust Administrator in trust for
the Certificateholders and the Class A-7A Certificate Insurer until disbursed
in accordance with this Agreement or withdrawn in accordance with Section
3.10(b). In no event shall the Trust Administrator incur liability for
withdrawals from the Distribution Account at the direction of the Master
Servicer.

(e) Each institution at which the Collection Account or Distribution Account
is maintained shall invest the funds on deposit in the Collection Account, as
directed in writing by the Master


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<PAGE>

Servicer, or the Distribution Account, as directed in writing by the Trust
Administrator, in Permitted Investments. Funds invested in the Collection
Account shall mature not later than the Business Day next preceding the
related Distribution Account Deposit Date (except that if such Permitted
Investment is an obligation of or is managed by the institution that
maintains, or is the custodian for, such account, then such Permitted
Investment shall mature not later than such Distribution Account Deposit
Date). Funds invested in the Distribution Account shall mature not later than
the related Distribution Account Deposit Date (except that if such Permitted
Investment is an obligation of or is managed by the institution that
maintains, or is the custodian for, such account, then such Permitted
Investment shall mature not later than such related Distribution Date).
Permitted Investments in respect of the Collection Account or the Distribution
Account shall not be sold or disposed of prior to their maturity. All such
Permitted Investments shall be made in the name of the Trustee, for the
benefit of the Certificateholders and the Class A-7A Certificate Insurer. All
income and gain net of any losses realized from any such investment of funds
on deposit in the Collection Account shall be for the benefit of the Master
Servicer as Master Servicing Compensation and shall be remitted to it monthly
as provided herein. The amount of any realized losses in the Collection
Account incurred in any such account in respect of any such investments shall
promptly be deposited by the Master Servicer (from its own funds without any
right of reimbursement) in the Collection Account or paid to the Trust
Administrator by wire transfer of immediately available funds for deposit into
the Distribution Account. All income and gain (net of any losses realized from
any such investment of funds on deposit in the Distribution Account) shall be
for the benefit of the Trust Administrator as compensation and shall be
remitted to it monthly as provided herein. The amount of any realized losses
in the Distribution Account incurred in any such account in respect of any
such investments shall promptly be deposited by the Trust Administrator, in
the Distribution Account. The Trust Administrator shall not be liable for the
amount of any loss incurred in respect of any investment or lack of investment
of funds held in the Collection Account (except to the extent the Trust
Administrator is the obligor and has defaulted thereon), or the Distribution
Account, and made in accordance with this Section 3.07. In the absence of
written instructions by the Trust Administrator, all funds on deposit therein
shall remain uninvested.

      (e) The Master Servicer shall give notice to the Trustee, the Trust
Administrator, each Rating Agency, the Class A-7A Certificate Insurer and the
Depositor of any proposed change of the location of the Collection Account
prior to any change thereof. The Trust Administrator shall give notice to the
Trustee, the Master Servicer, the Class A-7A Certificate Insurer, each Rating
Agency and the Depositor of any proposed change of the location of the
Distribution Account or the Carryover Reserve Fund prior to any change
thereof.

      (f) Each of the Collection Account and Distribution Account, shall
at all times be an Eligible Account, provided, that the Collection Account may
be deemed to be a sub account of the Distribution Account. If at any time
either the Collection Account, or Distribution Account, as applicable, ceases
to be an Eligible Account, the Master Servicer or the Trust Administrator, as
applicable, shall immediately establish and maintain a new Collection Account
or Distribution Account, as applicable, that is an Eligible Account, and shall
immediately transfer all funds on deposit in the former Collection Account or
Distribution Account, as applicable, to the new Collection Account or
Distribution Account, as applicable.



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      (g) [Reserved].

      (h) On the Closing Date, the Trust Administrator shall establish and
maintain in its name, in trust for the benefit of the Supplemental Interest
Trust on behalf of the Holders of the Offered Certificates, the Class A-1 Cap
Account, and the Depositor shall deposit $1,000 therein upon receipt from or
on behalf of the Depositor of such amount. All funds on deposit in the Class
A-1 Cap Account shall be held separate and apart from, and shall not be
commingled with, any other moneys, including without limitation, other moneys
held by the Trust Administrator pursuant to this Agreement.

      (i) On the Closing Date, the Trust Administrator shall establish and
maintain in its name, in trust for the benefit of the Supplemental Interest
Trust on behalf of the Holders of the Offered Certificates, the Class A-2 Cap
Account, and shall deposit $1,000 therein upon receipt from or on behalf of
the Depositor of such amount. All funds on deposit in the Class A-2 Cap
Account shall be held separate and apart from, and shall not be commingled
with, any other moneys, including without limitation, other moneys held by the
Trust Administrator pursuant to this Agreement.

          On each Distribution Date, the Trust Administrator shall deposit
into the Class A-1 Cap Account and the Class A-2 Cap Account all amounts
received in respect of the Class A-1 Cap Contract and the Class A-2 Cap
Contract, respectively, for the related Accrual Period. The Trust
Administrator shall make withdrawals from the Class A-1 Cap Account and the
Class A-2 Cap Account to make distributions pursuant to Section 4.07
exclusively (other than as expressly provided for in Section 3.10).

          Funds in the Class A-1 Cap Account and the Class A-2 Cap Account may
be invested in Permitted Investments at the direction of the Holders of the
Class C Certificates, which Permitted Investments shall mature not later than
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 the Class A-1 Cap Account
and the Class A-2 Cap Account, then such Permitted Investment shall mature not
later than such Distribution Date) and shall not be sold or disposed of prior
to maturity. All such Permitted Investments shall be made in the name of the
Trust Administrator, for the benefit of the Supplemental Interest Trust, on
behalf of the Holders of the Offered Certificates. Any net investment earnings
on such amounts shall be retained therein until withdrawn as provided in
Section 3.10. Any losses incurred in the Class A-1 Cap Account and the Class
A-2 Cap Account in respect of any such investments shall be charged against
amounts on deposit in such Cap Account (or the amount of such investments)
immediately as realized. The Trust Administrator shall not be liable for the
amount of any loss incurred in respect of any investment or lack of investment
of funds held in the Class A-1 Cap Account and the Class A-2 Cap Account and
made in accordance with this Section 3.07. The Class A-1 Cap Account and the
Class A-2 Cap Account will not constitute an asset of the Trust Fund or any
REMIC created hereunder. The Class C Certificates shall evidence ownership of
the Class A-1 Cap Account and the Class A-2 Cap Account for federal tax
purposes. If no investment direction is received by the Trust Administrator
from Holders of the Class C Certificates, funds in the Class A-1 Cap Account
and the Class A-2 Cap Account shall remain uninvested.



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<PAGE>

      (j) On the Closing Date, the Trust Administrator shall establish and
maintain in the name of the Trustee, in trust for the benefit of the Holders of
the Class P Certificates, the Class P Reserve Fund and shall deposit $100
therein upon receipt from or on behalf of the Depositor of such amount. The
Class P Reserve Fund shall be an Eligible Account, and funds on deposit therein
shall be held separate and apart from, and shall not be commingled with, any
other moneys, including without limitation, other moneys held by the Trust
Administrator pursuant to this Agreement. Funds in the Class P Reserve Fund
shall remain uninvested.

Section 3.08.   Collection of Taxes, Assessments and Similar Items; Escrow
Accounts.

          To the extent required by the Servicing Agreement and by the related
Mortgage Note and not violative of current law, the Master Servicer shall
require the Servicer to 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 Master Servicer to compel the
Servicer to establish an Escrow Account in violation of applicable law.

          As of the Closing Date, amounts held in the Escrow Account shall be
maintained in an account at Colonial Bank, N.A. titled "Taylor, Bean &
Whitaker Mortgage Corp., in Trust for The Bank of New York, as Trustee for TBW
Mortgage-Backed Trust, Series 2007-1". Pursuant to the Servicing Agreement,
such amounts shall be wired to Wells Fargo Bank, N.A. by no later than noon
(Eastern Time) on each of the first Business Day and the 15th day (or if the
15th is not a Business Day, the last Business Day prior to the 15th) of each
calendar month during which Colonial Bank, N.A. maintains such account. The
Master Servicer shall be required to establish and maintain an account for
such transfer. Not later than noon (Eastern Time) on the Business Day
immediately following the Business Day on which Colonial Bank, N.A. wired
funds from the Escrow Account to the Master Servicer, the Master Servicer
shall wire such funds to the account at Colonial Bank titled "Taylor, Bean &
Whitaker Mortgage Corp., in Trust for The Bank of New York, as Trustee for TBW
Mortgage-Backed Trust, Series 2007-1".

Section 3.09.   Access to Certain Documentation and Information Regarding the
Mortgage Loans.

          The Master Servicer and the Custodian shall afford and the Master
Servicer shall require the Servicer to afford the Depositor, the Trustee, the
Class A-7A Certificate Insurer and the Trust Administrator and their
respective agents or representatives reasonable access to all records and
documentation regarding the Mortgage Loans and all accounts, insurance
information and other matters relating to this Agreement or the Servicing
Agreement, such access being afforded without charge, but only upon reasonable
request and during normal business hours at the office designated by the
Master Servicer, the Servicer or the Custodian to the extent set forth in the
Servicing Agreement.

          Upon reasonable advance notice in writing, the Master Servicer
and the Custodian will provide or the Master Servicer shall require the
Servicer, to the extent set forth in the Servicing Agreement, to provide to
each Certificateholder which is a savings and loan


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<PAGE>

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 Master Servicer, the Servicer or the
Custodian shall be entitled to be reimbursed by each such Certificateholder
for actual expenses incurred by the Master Servicer, the Servicer or the
Custodian in providing such reports and access.

Section 3.10. Permitted Withdrawals from the Collection Account, the
Distribution Account the Class A-1 Cap Account and the Class A-2 Cap Account,
the Class P Reserve Fund and the Carryover Reserve Fund.

          (a) The Master Servicer may from time to time make withdrawals from
the Collection Account for the following purposes:

               (i) to pay to the Servicer (to the extent not previously
          retained by it), the servicing compensation to which it is entitled
          pursuant to the Servicing Agreement, and to pay to the Master
          Servicer, earnings on or investment income with respect to funds in
          or credited to the Collection Account;

               (ii) to reimburse the Servicer or the Master Servicer for
          unreimbursed Advances made by it, such right of reimbursement
          pursuant to this sub clause (ii) being limited to amounts received
          on the Mortgage Loan(s) in respect of which any such Advance was
          made;

               (iii) to reimburse the Servicer or the Master Servicer for any
          Nonrecoverable Advance previously made;

               (iv) to reimburse the Servicer or the Master Servicer for
          Insured Expenses from the related Insurance Proceeds;

               (v) to reimburse the Servicer or the Master Servicer for (a)
          unreimbursed Servicing Advances, the Servicer's or the Master
          Servicer's right to reimbursement pursuant to this clause (a) with
          respect to any Mortgage Loan being limited to amounts received on
          such Mortgage Loan(s) which represent late recoveries of the
          payments for which such Advances were made pursuant to Section 3.01
          or Section 4.01 and (b) for unpaid Servicing Fees as provided in
          Section 3.15 hereof;

               (vi) to pay to the purchaser, with respect to each Mortgage
          Loan or property acquired in respect thereof that has been purchased
          pursuant to Section 2.02 or 2.03, all amounts received thereon after
          the date of such purchase;

               (vii) to reimburse the Transferor, the Master Servicer or the
          Depositor for expenses or indemnities incurred by any of them and
          reimbursable pursuant to Section 6.03 hereof;

               (viii) to withdraw any amount deposited in the Collection
          Account and not required to be deposited therein;



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<PAGE>

               (ix) on or prior to the Distribution Account Deposit Date, to
          (A) withdraw (i) an amount equal to the related Available Funds for
          such Distribution Date and (ii) any Subsequent Recoveries received
          during the related Prepayment Period, and remit by wire transfer of
          immediately available funds such amounts to the Trust Administrator
          for deposit in the Distribution Account and (B) withdraw any Class P
          Prepayment Charges received and remit by wire transfer of
          immediately available funds such amounts to the Trust Administrator
          for deposit into the Distribution Account;

               (x) to reimburse the Master Servicer for any costs or expenses
          incurred by it and reimbursable pursuant to Section 3.02;

               (xi) to reimburse the Trust Administrator for any costs or
          expenses incurred by it and reimbursable pursuant to Section 9.02(x)
          and Section 9.12; and

               (xii) to clear and terminate the Collection Account upon
          termination of this Agreement pursuant to Section 10.01 hereof.

          The Master Servicer shall keep and maintain separate accounting, on
a Mortgage Loan by Mortgage Loan basis, for the purpose of justifying any
withdrawal from the Collection Account pursuant to such sub clauses (i), (ii),
(iv), (v) and (vi). Prior to making any withdrawal from the Collection Account
pursuant to sub clause (iii), the Master Servicer shall deliver to the Trust
Administrator and the Class A-7A Certificate Insurer an Officer's Certificate
of a Master Servicing Officer indicating the amount of any previous Advance
determined by the Master Servicer to be a Nonrecoverable Advance and
identifying the related Mortgage Loans(s), and their respective portions of
such Nonrecoverable Advance.

          (b) The Trust Administrator shall withdraw funds from the
Distribution Account for distributions to Certificateholders, in the manner
specified in this Agreement (and withhold from the amounts so withdrawn, the
amount of any taxes that it is authorized to withhold pursuant to the last
paragraph of Section 9.11). In addition, the Trust Administrator (or, in the
case of clause (iii), the Trustee, as to any indemnity, expense or other
reimbursement owed to the Trustee pursuant to Section 3.05, 7.02, 8.05 or
9.05) may from time to time make withdrawals from the Distribution Account for
the following purposes:

                (i) to pay to the Trust Administrator earnings on or investment
          income, if any with respect to funds in or credited to the
          Distribution Account;

               (ii) to withdraw and return to the Master Servicer any amount
           deposited in the Distribution Account and not required to be
          deposited therein in accordance with Section 3.07(d);

               (iii) to withdraw any indemnity, expense or other reimbursement
          owed to it or the Trustee pursuant to this Agreement, including,
          without limitation, Section 3.05, Section 7.02, Section 8.05 and
          Section 9.05; and

               (iv) to clear and terminate the Distribution Account upon
          termination of the Agreement pursuant to Section 10.01 hereof.



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<PAGE>

          (c) [Reserved]

          (d) The Trust Administrator shall withdraw funds from the Class A-1
Cap Account and the Class A-2 Cap Account for distribution to the Offered
Certificates in the manner specified in Section 4.07 (and shall withhold from
the amounts so withdrawn the amount of any taxes that it is authorized to
retain pursuant to the last paragraph of Section 9.11). In addition, the Trust
Administrator may from time to time make withdrawals from the Class A-1 Cap
Account and the Class A-2 Cap Account for the following purposes:

               (i) to withdraw any amount deposited in the Class A-1 Cap
          Account and the Class A-2 Cap Account and not required to be
          deposited therein;

               (ii) to clear and terminate the Class A-1 Cap Account upon the
          earlier of (A) the Class A-1 Cap Contract Scheduled Termination Date
          and (B) the termination of this Agreement pursuant to Section 10.01;
          and

               (iii) to clear and terminate the Class A-2 Cap Account upon the
          earlier of (A) the Class A-2 Cap Contract Scheduled Termination Date
          and (B) the termination of this Agreement pursuant to Section 10.01.

          (e) The Trust Administrator shall withdraw funds from the Class P
Reserve Fund for distribution to the Class P Certificates in the manner
specified in Section 4.02(b) (and shall withhold from the amounts so withdrawn
the amount of any taxes that it is authorized to retain pursuant to the last
paragraph of Section 9.11). In addition, the Trust Administrator may from time
to time make withdrawals from the Class P Reserve Fund for the following
purposes:

               (i) to withdraw any amount deposited in the Class P Reserve
          Fund and not required to be deposited therein; and

               (ii) to clear and terminate the Class P Reserve Fund upon the
          termination of this Agreement pursuant to Section 10.01.

           (f) The Trust Administrator shall withdraw funds from the Carryover
Reserve Fund for distribution to the Certificateholders in the manner
specified in this Agreement (and to withhold from the amounts so withdrawn,
the amount of any taxes that it is authorized to retain pursuant to the third
paragraph of Section 9.11). In addition, the Trust Administrator may from time
to time make withdrawals from the Carryover Reserve Fund for the following
purposes:

               (i) to withdraw any amount deposited in the Carryover Reserve
          Fund and not required to be deposited therein; and

               (ii) to clear and terminate the Carryover Reserve Fund upon
          termination of the Agreement pursuant to Section 10.01 hereof.

Section 3.11. Maintenance of Hazard Insurance.



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<PAGE>


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

          (b) Pursuant to Section 3.07, any amounts collected by the Master
Servicer, or by the Servicer, under any insurance policies (other than amounts
to be applied to the restoration or repair of the property subject to the
related Mortgage or released to the Mortgagor in accordance with the Servicing
Agreement) shall be deposited into the Collection Account, subject to
withdrawal pursuant to Sections 3.07 and 3.10. Any cost incurred by the Master
Servicer or the Servicer in maintaining any such insurance if the Mortgagor
defaults in its obligation to do so shall be added to the amount owing under
the Mortgage Loan where the terms of the Mortgage Loan so permit; provided,
however, that the addition of any such cost shall not be taken into account
for purposes of calculating the distributions to be made to Certificateholders
and shall be recoverable by the Master Servicer or the Servicer pursuant to
Section 3.10.

Section 3.12. Presentment of Claims and Collection of Proceeds.

            The Master Servicer shall (to the extent provided in the Servicing
Agreement) cause the Servicer to prepare and present on behalf of the Trustee,
the Certificateholders and the Class A-7A Certificate Insurer all claims under
the Insurance Policies and take such actions (including the negotiation,
settlement, compromise or enforcement of the insured's claim) as shall be
necessary to realize recovery under such policies. Any proceeds disbursed to
the Master Servicer (or disbursed to the Servicer and remitted to the Master
Servicer) in respect of such policies, bonds or contracts shall be promptly
deposited in the Collection Account upon receipt, except that any amounts
realized that are to be applied to the repair or restoration of the related
Mortgaged Property as a condition precedent to the presentation of claims on
the related Mortgage Loan to the insurer under any applicable Insurance Policy
need not be so deposited (or remitted).

Section 3.13. Maintenance of the Primary Insurance Policies.

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


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<PAGE>


and is required to be kept in force hereunder except in accordance with the
provisions of this Agreement and the Servicing Agreement, as applicable.

          (b) The Master Servicer agrees to present, or to cause the Servicer
(to the extent required under the Servicing Agreement) to present, on behalf
of the Trustee, the Certificateholders and the Class A-7A Certificate Insurer,
claims to the insurer under any Primary Insurance Policies and, in this
regard, to take such reasonable action as shall be necessary to permit
recovery under any Primary Insurance Policies respecting defaulted Mortgage
Loans. Pursuant to Section 3.07, any amounts collected by the Master Servicer
or the Servicer under any Primary Mortgage Insurance Policies shall be
deposited in the Collection Account, subject to withdrawal pursuant to
Sections 3.07 and 3.10.

Section 3.14. Realization upon Defaulted Mortgage Loans.

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

Section 3.15. REO Property.

          (a) In the event the Trust Fund acquires ownership of any REO
Property in respect of any related Mortgage Loan, the deed or certificate of
sale shall be issued to the Trustee, or to its nominee, on behalf of the
related Certificateholders and the Class A-7A Certificate Insurer. The Master
Servicer shall, to the extent provided in the Servicing Agreement, cause the
Servicer to sell any REO Property as expeditiously as possible and in
accordance with the provisions of this Agreement and the Servicing Agreement,
as applicable. Pursuant to its efforts to sell such REO Property, the Master
Servicer shall cause the Servicer to protect and conserve such REO Property in
the manner and to the extent required by the Servicing Agreement, subject to
the REMIC Provisions.

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

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

          (d) The Liquidation Proceeds from the final disposition of the REO
Property, net of any payment to the Master Servicer and the Servicer as
provided above shall be deposited in the Protected Account on or prior to the
Determination Date in the month following receipt thereof


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<PAGE>


and be remitted by wire transfer in immediately available funds to the Master
Servicer for deposit into the Collection Account.

          In the event that the Trust Fund acquires any Mortgaged Property as
aforesaid or otherwise in connection with a default or imminent default on a
Mortgage Loan, the Master Servicer shall enforce the obligation of the
Servicer to dispose of such Mortgaged Property prior to the close of the third
calendar year after the year in which the Trust Fund acquires such Mortgaged
Property unless the Servicer shall have applied for and received an extension
of such period from the Internal Revenue Service, in which case the Trust Fund
may continue to hold such Mortgaged Property for the period of such extension.
Notwithstanding any other provision of this Agreement, no Mortgaged Property
acquired by the Trust Fund shall be rented (or allowed to continue to be
rented) or otherwise used for the production of income by or on behalf of the
Trust Fund in such a manner or pursuant to any terms that would (i) cause such
Mortgaged Property to fail to qualify as "foreclosure property" within the
meaning of Section 860G(a)(8) of the Code or (ii) subject any REMIC hereunder
to the imposition of any federal, state or local income taxes on the income
earned from such Mortgaged Property under Section 860G(c) of the Code or
otherwise, unless the Master Servicer or Servicer, as applicable, has agreed
to indemnify and hold harmless the Trust Fund with respect to the imposition
of any such taxes.

          In the event of a default on a Mortgage Loan one or more of whose
obligors is not a United States Person, as that term is defined in Section
7701(a)(30) of the Code, in connection with any foreclosure or acquisition of
a deed in lieu of foreclosure (together, "foreclosure") in respect of such
Mortgage Loan, the Master Servicer will cause the Servicer to comply with the
provisions of Treasury Regulation Section 1.1445 2(d)(3) (or any successor
provision thereto) necessary to assure that no withholding tax obligation
arises with respect to the proceeds of such foreclosure except to the extent,
if any, that proceeds of such foreclosure are required to be remitted to the
obligors on such Mortgage Loan.

Section 3.16. Due on Sale Clauses; Assumption Agreements.

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

Section 3.17. Trustee to Cooperate; Release of Mortgage Files.

          Upon (i) the payment in full of any Mortgage Loan, or (ii) the
receipt by the Master Servicer of a notification that payment in full will be
escrowed in a manner customary for such purposes or otherwise in connection
with the servicing of any Mortgage Loan, the Master Servicer shall, upon
receipt of notification from the Servicer pursuant to the Servicing Agreement,
which notification shall state that such payment in full has been deposited in
the Collection Account or has otherwise been escrowed in a manner customary
for such purposes, instruct the Custodian to, and the Custodian shall release
the related Mortgage File to the Servicer. Upon notification, the Trustee
shall at the Custodian's direction execute and deliver to


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<PAGE>


the Custodian the request for reconveyance, deed of reconveyance or release or
satisfaction of mortgage or such instrument releasing the lien of the Mortgage
in each case provided by the Custodian, together with the Mortgage Note with
written evidence of cancellation thereon. Expenses incurred in connection with
any instrument of satisfaction or deed of reconveyance shall be chargeable to
the related Mortgagor.

          If the Master Servicer or Servicer at any time seeks to initiate a
foreclosure proceeding in respect of any Mortgaged Property as authorized by
this Agreement or the Servicing Agreement, the Master Servicer or Servicer
shall deliver or cause to be delivered to the Trustee, for signature, as
appropriate, any court pleadings, requests for trustee's sale or other
documents necessary to effectuate such foreclosure or any legal action brought
to obtain judgment against the Mortgagor on the Mortgage Note or the Mortgage
or to obtain a deficiency judgment or to enforce any other remedies or rights
provided by the Mortgage Note or the Mortgage or otherwise available at law or
in equity.

          Subject to this Section 3.17, the Trustee shall execute, at the
written request of the Master Servicer, and furnish to the Master Servicer or
the Servicer such documents as are necessary or appropriate to enable the
Master Servicer or the Servicer to carry out their servicing and
administrative duties hereunder. The Trustee shall not be liable for the
actions of the Master Servicer or the Servicer under any such documents.

Section 3.18. Documents, Records and Funds in Possession of the Master
Servicer and the Custodian to Be Held for the Trustee.

          Notwithstanding any other provisions of this Agreement, the Master
Servicer shall forward to the Custodian with an instruction to, and the
Custodian shall, place within the Mortgage File, and the Master Servicer shall
cause the Servicer to transmit to the Custodian as required by this Agreement
and the Servicing Agreement, all documents and instruments in respect of a
Mortgage Loan coming into the possession of the Master Servicer or Servicer
from time to time and shall account fully to the Trustee for any funds
received by the Master Servicer or Servicer or which otherwise are collected
by the Master Servicer or Servicer as Liquidation Proceeds or Insurance
Proceeds in respect of any Mortgage Loan. All Mortgage Files and funds
collected or held by, or under the control of, the Master Servicer, the
Servicer or the Custodian in respect of any Mortgage Loans, whether from the
collection of principal and interest payments or from Liquidation Proceeds,
including but not limited to, any funds on deposit in the Collection Account
or any Protected Account, shall be held by the Master Servicer, the Servicer
or the Custodian for and on behalf of the Trustee and shall be and remain the
sole and exclusive property of the Trust, subject to the applicable provisions
of this Agreement and the Servicing Agreement. Each of the Master Servicer and
the Custodian also agrees that it shall not create, incur or subject any
Mortgage File or any funds that are deposited in the Collection Account,
Distribution Account, Carryover Reserve Fund or any Escrow Account, or any
funds that otherwise are or may become due or payable to the Trustee for the
benefit of the Certificateholders and the Class A-7A Certificate Insurer, to
any claim, lien, security interest, judgment, levy, writ of attachment or
other encumbrance, or assert by legal action or otherwise any claim or right
of setoff against any Mortgage File or any funds collected on, or in
connection with, a Mortgage Loan, except, however, that the Master Servicer
shall be entitled to set off


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<PAGE>


against and deduct from any such funds any amounts that are properly due and
payable to the Master Servicer under this Agreement.

Section 3.19. Master Servicing Compensation.

          As compensation for its activities hereunder, the Master Servicer
shall be entitled to retain or withdraw from the Collection Account an amount
equal to the Master Servicing Compensation.

Section 3.20. Access to Certain Documentation.

          The Master Servicer and the Custodian shall provide and the Master
Servicer shall cause the Servicer to provide in accordance with the Servicing
Agreement to the OTS and the FDIC and to comparable regulatory authorities
supervising Holders of Mezzanine Certificates and the examiners and
supervisory agents of the OTS, the FDIC and such other authorities, access to
the documentation regarding the Mortgage Loans required by applicable
regulations of the OTS and the FDIC. Such access shall be afforded without
charge, but only upon reasonable and prior written request and during normal
business hours at the offices designated by the Master Servicer, the Custodian
and the Servicer. Nothing in this Section shall limit the obligation of the
Master Servicer, the Custodian and the Servicer to observe any applicable law
prohibiting disclosure of information regarding the Mortgagors and the failure
of the Master Servicer, the Custodian or the Servicer to provide access as
provided in this Section as a result of such obligation shall not constitute a
breach of this Section. In fulfilling such requests, the Master Servicer and
the Custodian shall not be responsible to determine the sufficiency of such
information.

Section 3.21. Annual Statement as to Compliance.

          (a) The Master Servicer and the Trust Administrator shall deliver or
otherwise make available (and the Master Servicer and Trust Administrator
shall cause any Servicing Function Participant engaged by it to deliver) to
the Depositor, the Class A-7A Certificate Insurer and the Trust Administrator
on or before March 10 (with a 5 calendar day cure period but in no event later
than March 15) of each year, commencing in March 2008, an Officer's
Certificate (an "Annual Statement of Compliance") stating, as to the signer
thereof, that (A) a review of such party's activities during the preceding
calendar year or portion thereof and of such party's performance under this
Agreement or such other applicable Agreement in the case of a Servicing
Function Participant, has been made under such officer's supervision and (B)
to the best of such officer's knowledge, based on such review, such party has
fulfilled all its obligations under this Agreement, in all material respects
throughout such year or portion thereof, or, if there has been a failure to
fulfill any such obligation in any material respect, specifying each such
failure known to such officer and the nature and status thereof. Promptly
after receipt of each such Annual Statement of Compliance, the Depositor shall
review such Annual Statement of Compliance and, if applicable, consult with
each such party, as applicable, as to the nature of any failure by such party
identified therein, in the fulfillment of any of such party's obligations
hereunder.

          (b) The Master Servicer shall enforce any obligation of the
Servicer, to the extent set forth in the Servicing Agreement, to deliver to
the Master Servicer an Annual Statement of


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<PAGE>


Compliance within the time frame set forth in, and in such form and substance
as may be required pursuant to, the Servicing Agreement. The Master Servicer
shall include all annual statements of compliance received by it from each
servicer with its own annual statement of compliance to be submitted to the
Trust Administrator pursuant to this Section.

          (c) In the event the Master Servicer, the Trust Administrator or any
Servicing Function Participant engaged by any such party is terminated or
resigns pursuant to the terms of this Agreement, or any applicable agreement
in the case of a Servicing Function Participant, as the case may be, such
party shall provide an Officer's Certificate pursuant to this Section 3.21 or
to such applicable agreement, as the case may be, notwithstanding any such
termination, assignment or resignation.

Section 3.22. Report on Assessment of Compliance and Attestation.

          (a) (i) By March 10 (with a 5 calendar day cure period but in no
event later than March 15) of each year, commencing in March 2008, the Master
Servicer, the Trust Administrator and the Custodian, each at its own expense,
shall furnish or otherwise make available, and each such party shall cause any
Servicing Function Participant engaged by it to furnish, each at its own
expense, to the Trust Administrator, the Class A-7A Certificate Insurer and
the Depositor, a report on an assessment of compliance with the Relevant
Servicing Criteria in the form of Exhibit Q hereto, (an "Assessment of
Compliance") that contains (A) a statement by such party of its responsibility
for assessing compliance with the Relevant Servicing Criteria, (B) a statement
that such party used the Servicing Criteria to assess compliance with the
Relevant Servicing Criteria, (C) such party's assessment of compliance with
the Relevant Servicing Criteria as of and for the fiscal year covered by the
Form 10-K required to be filed pursuant to Section 3.22, including, if there
has been any material instance of noncompliance with the Relevant Servicing
Criteria, a discussion of each such failure and the nature and status thereof,
and (D) a statement that a registered public accounting firm has issued an
attestation report on such party's assessment of compliance with the Relevant
Servicing Criteria as of and for such period.

          (ii) No later than the end of each fiscal year for the Trust Fund
     for which a Form 10-K is required to be filed, the Master Servicer and
     the Custodian shall each forward to the Trust Administrator the name of
     each Servicing Function Participant engaged by it and what Relevant
     Servicing Criteria will be addressed in the Assessment of Compliance
     prepared by such Servicing Function Participant (provided, that the
     Master Servicer need not provide such information to the Trust
     Administrator so long as the Master Servicer and the Trust Administrator
     are the same Person). When each of the Master Servicer, the Custodian and
     the Trust Administrator (or any Servicing Function Participant engaged by
     either of them) submit their Assessments of Compliance to the Trust
     Administrator, each such party will also at such time include the
     Assessment of Compliance and Accountant's Attestation pursuant to Section
     3.22(b)(i) of each Servicing Function Participant engaged by it.

          (iii) Promptly after receipt of each Assessment of Compliance, (A)
     the Depositor shall review each such report and, if applicable, consult
     with the Master Servicer, the Trust Administrator, the Custodian and any
     Servicing Function Participant


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     engaged by any such party as to the nature of any material instance of
     noncompliance with the Relevant Servicing Criteria by such party, and (B)
     the Trust Administrator shall confirm that the Assessments of Compliance,
     taken as a whole, address all of the Servicing Criteria and taken
     individually address the Relevant Servicing Criteria for each party as
     set forth on Exhibit X and on any similar exhibit set forth in the
     Servicing Agreement in respect of the Servicer and notify the Depositor
     of any exceptions.

          (iv) The Master Servicer shall enforce any obligation of the
     Servicer, to the extent set forth in the Servicing Agreement, to deliver
     to the Master Servicer an annual Assessment of Compliance within the time
     frame set forth in, and in such form and substance as may be required
     pursuant to, the Servicing Agreement. The Master Servicer shall include
     all Assessments of Compliance received by it from the Servicer with its
     own Assessment of Compliance to be submitted to the Trust Administrator
     pursuant to this Section.

          In the event the Master Servicer, the Trust Administrator, the
Custodian or any Servicing Function Participant engaged by any such party is
terminated, assigns its rights and obligations under, or resigns pursuant to,
the terms of this Agreement, or any other applicable agreement, as the case
may be, such party shall provide a report on assessment of compliance pursuant
to this Section 3.22, or to such other applicable agreement, notwithstanding
any such termination, assignment or resignation.

     (b) (i) By March 10 (with a 5 calendar day cure period but in no event
later than March 15) of each year, commencing in March 2008, the Master
Servicer, the Trust Administrator and the Custodian, each at its own expense,
shall cause, and each such party shall cause any Servicing Function
Participant engaged by it to cause, each at its own expense, a registered
public accounting firm (which may also render other services to the Master
Servicer, the Custodian, the Trust Administrator, or such Servicing Function
Participants, as the case may be) that is a member of the American Institute
of Certified Public Accountants to furnish an attestation report to the Trust
Administrator, the Class A-7A Certificate Insurer and the Depositor (an
"Accountant's Attestation"), to the effect that (A) it has obtained a
representation regarding certain matters from the management of such party,
which includes an assertion that such party has complied with the Relevant
Servicing Criteria, and (B) on the basis of an examination conducted by such
firm in accordance with standards for attestation engagements issued or
adopted by the PCAOB, it is expressing an opinion as to whether such party's
compliance with the Relevant Servicing Criteria was fairly stated in all
material respects, or it cannot express an overall opinion regarding such
party's assessment of compliance with the Relevant Servicing Criteria. In the
event that an overall opinion cannot be expressed, such registered public
accounting firm shall state in such report why it was unable to express such
an opinion. Such report must be available for general use and not contain
restricted use language.

          (ii) Promptly after receipt of each such Assessment of Compliance
     and Accountant's Attestation the Trust Administrator shall confirm that
     each assessment submitted pursuant to Section 3.22(a)(i) is coupled with
     an attestation that appears on its face to meet the requirements of this
     Section and notify the Depositor of any exceptions.


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          (iii) The Master Servicer shall enforce any obligation of the
     Servicer, to the extent set forth in the Servicing Agreement, to deliver
     to the Master Servicer an attestation within the time frame set forth in,
     and in such form and substance as may be required pursuant to, the
     Servicing Agreement. The Master Servicer shall include each such
     attestation furnished to it by the Servicer with its own attestation to
     be submitted to the Trust Administrator pursuant to this Section.

          In the event the Master Servicer, the Trust Administrator, the
Custodian, the Servicer or any Servicing Function Participant engaged by any
such party, is terminated, assigns its rights and duties under, or resigns
pursuant to the terms of, this Agreement, or any applicable Custodial
Agreement, Servicing Agreement or sub-servicing agreement, as the case may be,
such party shall cause a registered public accounting firm to provide an
attestation pursuant to this Section 3.22, or such other applicable agreement,
notwithstanding any such termination, assignment or resignation.

     (c) (i) The Master Servicer agrees to indemnify and hold harmless each of
the Depositor and each Person, if any, who "controls" the Depositor within the
meaning of the Securities Act and its respective officers, directors and
affiliates from and against any losses, damages, penalties, fines,
forfeitures, reasonable and necessary legal fees and related costs, judgments
and other costs and expenses that such Person may sustain arising out of third
party claims based on (A) the failure of the Master Servicer (or any Servicing
Function Participant engaged by it) to deliver or cause to be delivered when
required any Assessment of Compliance or Accountant's Attestation required
pursuant to Section 3.22(a)(i) or 3.22(b)(i), as applicable, or (B) any
material misstatement or omission contained in any Assessment of Compliance
provided pursuant to Section 3.22(a)(i).

          (ii) The Trust Administrator agrees to indemnify and hold harmless
     the Depositor and each Person, if any, who "controls" the Depositor
     within the meaning of the Securities Act and its officers, directors and
     affiliates from and against any losses, damages, penalties, fines,
     forfeitures, reasonable and necessary legal fees and related costs,
     judgments and other costs and expenses that such Person may sustain
     arising out of third party claims based on (i) the failure of the Trust
     Administrator (or any Servicing Function Participant engaged by it) to
     deliver when required any Assessment of Compliance or Accountant's
     Attestation required pursuant to Section 3.22(a)(i) or 3.22(b)(i), or
     (ii) any material misstatement or omission contained in any Assessment of
     Compliance provided pursuant to Section 3.22(a)(i).

          (iii) The Custodian agrees to indemnify and hold harmless the
     Depositor and each Person, if any, who "controls" the Depositor within
     the meaning of the Securities Act and their respective officers,
     directors and affiliates from and against any losses, damages, penalties,
     fines, forfeitures, reasonable and necessary legal fees and related
     costs, judgments and other costs and expenses that such Person may
     sustain arising out of third party claims based on (i) the failure of the
     Custodian (or any Servicing Function Participant engaged by it) to
     deliver or cause to be delivered when required any Assessment of
     Compliance or Accountant's Attestation required pursuant to Section
     3.22(a)(i) or 3.22(b)(i) or (ii) any material misstatement or omission
     contained in any Assessment of Compliance provided pursuant to Section
     3.22(a)(i).


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<PAGE>


     (d) Each of the parties hereto acknowledges and agrees that the purpose
of this Section 3.22 is to facilitate compliance by the Transferor and the
Depositor with the provisions of Regulation AB, as such may be amended or
clarified from time to time. Therefore, each of the parties agrees that the
parties' obligations hereunder will be supplemented and modified as necessary
to be consistent with any such amendments, interpretive advice or guidance,
convention or consensus among active participants in the asset-backed
securities markets, advice of counsel, or otherwise in respect of the
requirements of Regulation AB and the parties shall comply, to the extent
practicable from a timing and information systems perspective (and to the
extent the requesting party will pay any increased cost of the Trustee
resulting from such request provided that such request results in
extraordinary expenses), with requests made by the Transferor or the Depositor
for delivery of additional or different information as the Transferor or the
Depositor may determine in good faith is necessary to comply with the
provisions of Regulation AB.

Section 3.23. Errors and Omissions Insurance; Fidelity Bonds.

          The Master Servicer shall for so long as it acts as Master Servicer
under this Agreement, obtain and maintain in force (a) a policy or policies of
insurance covering errors and omissions in the performance of its obligations
as Master Servicer hereunder and (b) a fidelity bond in respect of its
officers, employees and agents. Each such policy or policies shall be in such
form and such amount generally acceptable for entities serving as master
servicer. In the event that any such policy or bond ceases to be in effect,
the Master Servicer shall obtain a comparable replacement policy or bond from
an insurer or issuer, meeting the requirements set forth above as of the date
of such replacement.

Section 3.24. Class A-1 Cap Contract and the Class A-2 Cap Contract.

          Each of the Class A-1 Cap Contract and the Class A-2 Cap Contract
will not be an asset of the Trust Fund nor of any REMIC. The Trust
Administrator shall cause to be deposited any amounts received from time to
time with respect to each of the Class A-1 Cap Contract and the Class A-2 Cap
Contract into the Class A-1 Cap Account and the Class A-2 Cap Account,
respectively.

          The Trust Administrator shall prepare and deliver any notices
required to be delivered under the Class A-1 Cap Contract and the Class A-2
Cap Contract.

                                   ARTICLE IV

                     DISTRIBUTIONS AND SERVICING ADVANCES

Section 4.01. Advances.

          The Master Servicer shall deposit in the Distribution Account not
later than the Distribution Account Deposit Date immediately preceding the
related Distribution Date an Advance in an amount equal to the difference
between (x) with respect to each Scheduled Payment due on a Mortgage Loan that
is delinquent (other than as a result of a Relief Act Reduction) and for which
the Servicer was required to make an Advance pursuant to the Servicing
Agreement, the amount of such Advance, and (y) amounts deposited in the
Collection


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<PAGE>


Account to be used for any Advance with respect to such Mortgage Loan, except
to the extent the Master Servicer determines any such Advance to be a
Nonrecoverable Advance. Subject to the foregoing, the Master Servicer shall
continue to make such Advances for so long as the Servicer is required to do
so under the Servicing Agreement. If applicable, on the Distribution Account
Deposit Date, the Master Servicer shall deliver an Officer's Certificate to
the Trust Administrator stating that the Master Servicer elects not to make an
Advance in a stated amount and detailing the reason(s) it deems the Advance to
be a Nonrecoverable Advance. Any amounts deposited by the Master Servicer
pursuant to this Section 4.01 shall be net of the Servicing Fee for the
related Mortgage Loans.

Section 4.02. Priorities of Distributions on the Certificates.

     (a) On each Distribution Date, the Trust Administrator shall withdraw the
Available Funds, (to the extent on deposit in the Distribution Account) from
the Distribution Account and, pursuant to written instruction received from
the Master Servicer as set forth in Section 4.04(a), upon which it may
conclusively rely, apply such funds, first to distributions in respect of the
Subsidiary REMIC Regular Interests, as provided in the Preliminary Statement,
and then to distributions on the Certificates and to the Class A-7A
Certificate Insurer in the following order and priority and, in each case, to
the extent of such Available Funds:

          On each Distribution Date, the aggregate Interest Remittance Amount
will be distributed in the following amounts and order of priority:

               (1)   first, to the Class A-7A Certificate Insurer, up to the
                    Premium Distribution Amount, if any, for such Distribution
                    Date;

               (2)   second, concurrently, to the classes of Senior
                    Certificates, pro rata based on entitlement, up to the
                    Current Interest and the Interest Carryforward Amount for
                    each such class and such Distribution Date;

               (3)   third, to the Class A-7A Certificate Insurer, up to the
                    Class A-7A Certificate Insurer Reimbursement Amount, if
                    any, for such Distribution Date;

               (4)   fourth, sequentially, to the Class M-1, Class M-2, Class
                    M-3, Class M-4, Class M-5, Class M-6, Class M-7, Class M-8
                    and Class M-9 Certificates, in that order, up to the
                    Current Interest for each such class and the Interest
                     Carryforward Amount for each such class and such
                    Distribution Date; and

               (5)   fifth, for application as part of monthly excess cash flow
                    (such amount Net Monthly Excess Cashflow) pursuant to
                    clause (IV) below.

     (II) On each Distribution Date prior to the Stepdown Date or on which a
Trigger Event is in effect, the Principal Remittance Amount will be
distributed in the following order of priority, in an amount up to the
Principal Distribution Amount:


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               (1)   first, to the Senior Certificates, sequentially, as
                    follows:

                    (A)   first, to the Class A-8 Certificates, the Class A-8
                         Lockout Percentage of the Class A-8 Calculation
                         Percentage of the Senior Principal Distribution
                         Amount on such Distribution Date, until the Class
                          Principal Balance thereof is reduced to zero;

                    (B)   second, sequentially, to the Class A-1, Class A-2,
                         Class A-3, Class A-4, Class A-5 and Class A-6
                         Certificates, in that order, until the Class
                         Principal Balance of such Class is reduced to zero;

                    (C)   third, concurrently, to the Class A-7A and Class A-7B
                         Certificates, pro rata based on Class Principal
                          Balance, until the Class Principal Balance of each
                         such Class is reduced to zero; and

                    (D)   fourth, to the Class A-8 Certificates, until the
                         Class Principal Balance of such Class is reduced to
                         zero.

               (2)   second, to the Class A-7A Certificate Insurer, up to the
                    Class A-7A Certificate Insurer Reimbursement Amount, if
                    any, to the extent not paid pursuant to clause (I)(3)
                    above;

               (3)   third, sequentially, to the Class M-1, Class M-2, Class
                    M-3, Class M-4, Class M-5, Class M-6, Class M-7, Class M-8
                    and Class M-9 certificates, in that order, until their
                    respective Class Principal Balances are reduced to zero;
                    and

               (4)   fourth, for application as part of Monthly Excess Cash
                    Flow pursuant to clause (IV) below;

         (III) On each Distribution Date on or after the Stepdown Date and so
long as a Trigger Event is not in effect, the Principal Remittance Amount will
be distributed in the following order of priority, up to the Principal
Distribution Amount:

                (1)   first, to the Senior Certificates, in an amount up to the
                    Senior Principal Distribution Amount, sequentially, as
                    follows:

                    (A)   first, to the Class A-8 Certificates, the Class A-8
                          Lockout Percentage of the Class A-8 Calculation
                         Percentage of the Senior Principal Distribution
                         Amount on such Distribution Date, until the Class
                         Principal Balance thereof is reduced to zero;


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<PAGE>


                    (B)   second, to the Class A-1, Class A-2, Class A-3, Class
                         A-4, Class A-5 and Class A-6 Certificates, in that
                          order, until the Class Principal Balance of such Class
                         is reduced to zero;

                    (C)   third, concurrently, to the Class A-7A and Class A-7B
                         Certificates, pro rata based on Class Principal
                         Balance, until the Class Principal Balance of each such
                         Class is reduced to zero; and

                    (D)   fourth, to the Class A-8 Certificates, until the Class
                         Principal Balance of such Class is reduced to zero.

               (2)   second, to the Class A-7A Certificate Insurer, up to the
                    Class A-7A Certificate Insurer Reimbursement Amount, if any,
                    to the extent not paid pursuant to clause (I)(3) above;

               (3)   third, sequentially, to the Class M 1, Class M 2, Class M 3,
                    Class M 4, Class M 5, Class M 6, Class M-7, Class M-8 and
                    Class M-9 certificates, in that order, in an amount up to
                    the Mezzanine Principal Distribution Amount for each such
                    Class, until their respective Class Principal Balances are
                    reduced to zero; and

               (4)   (fourth, for application as part of Net Monthly Excess Cash
                    Flow, pursuant to clause (IV) below;

         (IV) Any amount remaining after distributions in clauses I, II and
III above shall be distributed to the certificates in the following order of
priority:

                (1)   first, to the classes of Offered Certificates then entitled
                    to receive distributions of principal pursuant to clauses
                    (II) and (III) above, in an amount up to the
                    Overcollateralization Maintenance Amount (as included in the
                    Principal Distribution Amount) for such Distribution Date,
                    in the order of priority set forth in clauses (II) or (III)
                    above, as applicable;

                (2)   second, sequentially to the Class M-1, Class M-2, Class M-3,
                    Class M-4, Class M-5, Class M-6, Class M-7, Class M-8 and
                    Class M-9 Certificates, in that order, in an amount equal to
                    any Unpaid Realized Loss Amounts on each such class;

               (3)   third, concurrently, to the Senior Certificates, pro rata
                    based on the amount of Net Rate Carryover with respect to
                    each such Class of certificates, in an amount up to the
                    amount of Net Rate Carryover for each such Class of
                    Certificates;

               (4)   fourth, sequentially to the Class M-1, Class M-2, Class M-3,
                    Class M-4, Class M-5, Class M-6 Class M-7, Class M-8 and
                    Class M-9


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<PAGE>


                    Certificates, in that order, any Net Rate Carryover for each
                    such Class of Certificates; and

                (5)   fifth, to the Holders of the Class C Certificates; and

               (6)   sixth, any remaining amounts to the Holders of the Class R
                    Certificates.

provided that (A) if such Distribution Date follows the Prepayment Period
during which occurs the latest date on which a Class P Prepayment Charge may
be required to be paid in respect of any Mortgage Loans or if such
Distribution Date is the final Distribution Date, the Trust Administrator
shall withdraw any amounts on deposit in the Class P Reserve Fund and
distribute such amounts to the Holders of the Class P Certificates in
reduction of their Class Principal Balance, until the Class Principal Balance
of the Class P Certificates is reduced to zero, (B) any distributions pursuant
to clauses (IV) above will be made prior to any distributions from the Class
A-1 Cap Account and the Class A-2 Cap Account and (C) the Class A-7A
Certificate Insurer will be subrogated to the rights of the holder of any
Class A-7A Certificate, as applicable, to receive payments of principal and
interest to the extent of any payment to such holder by the Class A-7A
Certificate Insurer under the Class A-7A Certificate Insurance Policy that has
not been reimbursed.

     (b) Net Rate Carryover. To the extent that a Class of Certificates
receives interest in excess of the applicable Net Rate Cap, if such interest
is paid pursuant to Section 4.02(a)(IV), then it shall be deemed to have been
paid to the Carryover Reserve Fund and then paid by the Carryover Reserve Fund
to those Certificateholders. For purposes of the Code, amounts deemed
deposited in the Carryover Reserve Fund shall be deemed to have first been
distributed to the Class C Certificates.

     (c) Application of Class P Prepayment Charges. On each Distribution Date
prior to the date on which the Class Principal Balance of the Class P
Certificates has been reduced to zero, the Trust Administrator shall withdraw
from the Distribution Account and distribute to the Class P Certificates any
Class P Prepayment Charges

     (d) Application of Allocated Realized Loss Amounts. On each Distribution
Date, the Trust Administrator shall allocate any Allocated Realized Loss
Amount, to reduce the Class Principal Balances of the Class M-9, Class M-8,
Class M-7, Class M-6, Class M-5, Class M-4, Class M-3, Class M-2 and Class M-1
Certificates, sequentially, in that order, in each case until their respective
Class Principal Balances are reduced to zero.

     (e) Application of Subsequent Recoveries. On each Distribution Date, the
Trust Administrator shall allocate the amount of the Subsequent Recoveries, if
any, to increase the Class Principal Balance of the Classes of Mezzanine
Certificates to which Allocated Realized Loss Amounts have been previously
allocated, sequentially, to the Class M-1, Class M-2, Class M-3, Class M-4,
Class M-5, Class M-6, Class M-7, Class M-8 and Class M-9 Certificates, in that
order, in each case by not more than the amount of the Unpaid Realized Loss
Amount of such Class.


                                       80
<PAGE>


          Holders of Certificates to which any Subsequent Recoveries have been
allocated shall not be entitled to any payment in respect of Current Interest
on the amount of such increases for any Accrual Period preceding the
Distribution Date on which such increase occurs.

Section 4.03. No Loss Allocation/Sequential Pay Trigger.

          On each Distribution Date, on or after the date on which the
aggregate Class Principal Balance of the Mezzanine Certificates has been
reduced to zero, the Principal Distribution Amount will be distributed to the
Senior Certificates, sequentially, as follows:

               (1)   First, to the Class A-1 Certificates, until the Class
                    Principal Balance of such Class is reduced to zero;

               (2)   Second, concurrently (pro rata, with respect to clause
                    2(a) below based on the aggregate Class Principal Balance
                    of the Class A-2, Class A-3, Class A-4, Class A-5, Class
                     A-6, Class A-7A and Class A-8 Certificates, and with
                    respect to clause (2)(b) below based on the Class
                    Principal Balance of the Class A-7B Certificates), to the
                    following Certificates in the following order of priority:

                    (A)   concurrently, to the Class A-2, Class A-3, Class A-4,
                         Class A-5, Class A-6, Class A-7A and Class A-8
                         Certificates, pro rata based on their Class Principal
                         Balance, until their respective Class Principal
                         Balances are reduced to zero; and

                    (B)   sequentially, as follows:

                         1. first, concurrently, as follows:

                              a. to the Class A-3 Certificates (after payment
                              in clause (2)(A) above), the amount available to
                              be distributed pursuant to this clause (2)(B)
                               multiplied by a fraction, the numerator of which
                              is 5,002,000 and the denominator of which is
                              7,458,000, until the Class Principal Balance of
                              the such Class of Certificates is reduced to
                              zero; provided, that the aggregate amount
                              distributed pursuant to this clause (2)(B)(1)(a)
                              will not exceed $5,002,000; and

                               b. to the Class A-5 Certificates (after payment
                              in clause (2)(A) above), the amount available to
                              be distributed pursuant to this clause (2)(B)
                              multiplied by a fraction, the numerator of which
                              is 2,456,000 and the denominator of which is
                              7,458,000, until the Class Principal Balance of
                              such Class of Certificates is reduced to zero;
                              provided, that the


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                              aggregate amount distributed pursuant to this
                              clause (2)(B)(1)(b) will not exceed $2,456,000;
                              and

                          2. second, to the Class A-7B Certificates, until the
                          Certificate Principal Balance of such Class of
                          Certificate is reduced to zero;

provided, that the Class A-7A Certificate Insurer will be subrogated to the
rights of the Holder of any Class A-7A Certificate, as applicable, to receive
payments of principal and interest to the extent of any payment to such holder
by the Class A-7A Certificate Insurer under the Class A-7A Certificate
Insurance Policy that has not been reimbursed.

Section 4.04. Distribution Date Statements to Certificateholders.

     (a) Not later than two Business Days prior to each Distribution Date, the
Master Servicer shall prepare and make available to the Trust Administrator
and not later than each Distribution Date, the Trust Administrator shall make
available to each Certificateholder, the Class A-7A Certificate Insurer, the
Depositor, the Rating Agencies, the NIMS Insurer, the Trustee and any other
interested parties a statement based in part on information provided by the
Servicer setting forth the following information with respect to the related
distribution (in the case of information furnished pursuant to (i) and (ii)
below, the amounts shall be expressed as a dollar amount per one thousand:

          (i) the amount of the distribution made on such Distribution Date to
     the Holders of the Certificates of each Class allocable to principal;

           (ii) the amount of the distribution made on such Distribution Date
     to the Holders of the Certificates of each Class allocable to interest
     and how such distributions are calculated;

          (iii) the aggregate Servicing Fee (and any other compensation
     payable to the Servicer) paid during the related Due Period;

          (iv) the aggregate amount of any Class P Prepayment Charges
     collected on the Mortgage Loans identified on Schedule IV hereto;

          (v) the aggregate Principal Balance of the Mortgage Loans and any
     REO Properties as of the close of business on such Distribution Date;

          (vi) the number, aggregate Principal Balance, weighted average
     remaining term to maturity and weighted average Mortgage Rate of the
     Mortgage Loans as of the related Due Date;

          (vii) the number and aggregate unpaid Principal Balance of Mortgage
     Loans (calculated in accordance with the MBA method) (a) delinquent 1 to
     30 days (b) delinquent 31 to 60 days, (c) delinquent 61 to 90 days, (d)
     delinquent 91 or more days, in each case, as of the last day of the
     preceding calendar month (after taking into account any prepayments in
     full received prior to the end of the Prepayment Period), (e) as to


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     which foreclosure proceedings have been commenced and (f) with respect to
     which the related Mortgagor has filed for protection under applicable
     bankruptcy laws, with respect to whom bankruptcy proceedings are pending
     or with respect to whom bankruptcy protection is in force;

          (viii) with respect to any Mortgage Loan that became an REO
     Property during the preceding calendar month, the loan number of the
     related Mortgage Loan, the unpaid principal balance of the related
     Mortgage Loan and the principal balance of the related Mortgage Loan as
     of the date it became an REO Property;

          (ix) the book value of any REO Property as of the close of business
     on the last business day of the calendar month preceding the Distribution
     Date, and, cumulatively, the total number and cumulative principal
     balance of all REO Properties as of the close of business on the last day
     of the preceding Prepayment Period;

          (x) the amount of Advances included in the distribution on such
     Distribution Date and the aggregate amount of Advances outstanding as of
     the close of business on such Distribution Date;

          (xi) the aggregate amount of Principal Prepayments made during the
     related Prepayment Period;

          (xii) the aggregate amount of Realized Losses incurred during the
     related Prepayment Period, the aggregate amount of Realized Losses
     incurred since the Closing Date, the aggregate amount of Subsequent
     Recoveries received during the related Prepayment Period, the cumulative
     amount of Subsequent Recoveries received since the Closing Date and the
     allocations of Allocated Realized Loss Amounts to each Class of Mezzanine
     Certificates;

          (xiii) the aggregate Class Principal Balance of each Class of
     Certificates, after giving effect to the distributions, and allocations
     of Realized Losses, made on such Distribution Date, separately
     identifying any reduction thereof due to allocations of Realized Losses;

          (xiv) the Current Interest in respect of the Senior Certificates,
     the Mezzanine Certificates and the Class C Certificates for such
     Distribution Date and the Interest Carryforward Amounts, if any, with
     respect to the Senior Certificates and the Mezzanine Certificates on such
     Distribution Date, separately identifying any reduction thereof due to
     allocations of Realized Losses, Prepayment Interest Shortfalls and Relief
     Act Reductions;

          (xv) any Prepayment Interest Shortfalls included in such
     distribution and the aggregate amount of any Prepayment Interest
     Shortfall for such Distribution Date, to the extent not covered by
     payments of Compensating Interest by the Servicer pursuant to the
     Servicing Agreement;

          (xvi) the aggregate amount of Relief Act Reductions for such
     Distribution Date;


                                      83
<PAGE>


          (xvii) the Overcollateralization Target Amount and
     Overcollateralization Amount for such Distribution Date;

          (xviii) the respective Pass-Through Rates applicable to the Senior
     Certificates, the Mezzanine Certificates and the Class C Certificates for
     such Distribution Date and the Pass-Through Rate applicable to the Senior
     Certificates and the Mezzanine Certificates for the immediately
     succeeding Distribution Date;

          (xix) the Net WAC and the Net Rate Cap;

          (xx) the Senior Enhancement Percentage for the Distribution Date;

          (xxi) when the Stepdown Date or Trigger Event has occurred;

          (xxii) the Available Funds;

          (xxiii) the Net Rate Carryover for the Senior Certificates and the
     Mezzanine Certificates, if any, for such Distribution Date, the amount
     remaining unpaid after reimbursements therefor on such Distribution Date;

          (xxiv) the application of the Net Rate Cap on such Distribution
     Date, and the amount of any Net Rate Carryover for each Class for such
     Distribution Date; and

          (xxv) the amount of the Premium Distribution Amount, the Class A-7A
     Certificate Insurer Reimbursement Amount and the amount of any draws on
     the Class A-7A Certificate Insurance Policy.

          In the case of information furnished pursuant to subclauses (i) and
(ii) above, the amounts shall be expressed as a dollar amount per single
Certificate of the relevant Class.

     (b) The Trust Administrator's responsibility for making available the
above information to the Master Servicer, the Trustee, the NIMS Insurer, the
Depositor, the Certificateholders and other interested parties is limited to
the availability, timeliness and the accuracy of the information provided by
the Servicer. The Trust Administrator will make a copy of each statement
provided pursuant to this Section 4.04 (and, at its option, any additional
files containing the same information in an alternative format) available each
month to Certificateholders, the NIMS Insurer, the Class A-7A Certificate
Insurer and other interested parties, and other parties to this Agreement via
the Trust Administrator's internet website located at "www.ctslink.com".
Assistance in using the internet website can be obtained by calling the Trust
Administrator's customer service desk at (301) 815-6600. Parties that are
unable to use the above distribution method are entitled to have a paper copy
mailed to them via first class mail by calling the customer service desk and
indicating such. The Trust Administrator shall have the right to change the
way the Distribution Date Statement is distributed in order to make such
distribution more convenient and/or more accessible and the Trust
Administrator shall provide timely and adequate notification to the
Certificateholders, the Class A-7A Certificate Insurer and the parties to this
Agreement regarding any such changes.


                                      84
<PAGE>


          The Trust Administrator shall also be entitled to rely on but shall
not be responsible for the content or accuracy of any information provided by
third parties (including the Servicer) for purposes of preparing the
Distribution Date Statement and may affix thereto any disclaimer it deems
appropriate in its reasonable discretion (without suggesting liability on the
part of any other party hereto).

          As a condition to access to the Trust Administrator's internet
website, the Trust Administrator may require registration and the acceptance
of a disclaimer. The Trust Administrator will not be liable for the
dissemination of information in accordance with this Agreement.

     (c) Within a reasonable period of time after the end of each calendar
year, the Trust Administrator shall cause to be furnished upon request to each
Person who at any time during the calendar year was a Certificateholder, a
statement containing the information set forth in clauses (a)(i), (a)(ii) and
(a)(vi) of this Section 4.04 aggregated for such calendar year or applicable
portion thereof during which such Person was a Certificateholder. Such
obligation of the Trust Administrator shall be deemed to have been satisfied
to the extent that substantially comparable information shall be provided by
the Trust Administrator pursuant to any requirements of the Code as from time
to time in effect.

     (d) With respect to each Distribution Date, prior to the issuance of the
related monthly statement to Certificateholders pursuant to Section 4.04
(each, a "Distribution Date Statement") by the Trust Administrator, the Master
Servicer shall confirm that it has received all distribution and/or servicing
information required to be provided to the Master Servicer pursuant and to the
extent set forth in the Servicing Agreement by the Servicer for inclusion in
such Distribution Date Statement. In the event the Master Servicer determines
that any such information has not been provided as required or is materially
incorrect, the Master Servicer shall immediately notify the Servicer and use
its reasonable best efforts to cause the Servicer to provide or correct, as
the case may be, such information promptly (but in any event in time to permit
the Trust Administrator to make available the Distribution Date Statement at
the time required in this Agreement).

Section 4.05. [Reserved].

Section 4.06. Supplemental Interest Trust.

          A separate trust is hereby established (the "Supplemental Interest
Trust"), the corpus of which shall be held by the Trust Administrator in trust
for the benefit of the holders of the Senior Certificates and the Mezzanine
Certificates. The Supplemental Interest Trust will not be a part of any REMIC
created hereby.

Section 4.07. Distributions from the Class A-1 Cap Account and the Class A-2
Cap Account.

     (a) On each Distribution Date on or prior to the earlier of (a) the Class
A-


 
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