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POOLING AND SERVICING AGREEMENT

Pooling and Servicing Agreement

POOLING AND SERVICING AGREEMENT | Document Parties: BANK OF NEW YORK | COUNTRYWIDE GP, INC | COUNTRYWIDE HOME LOANS SERVICING LP | COUNTRYWIDE HOME LOANS, INC | CWMBS, INC | PARK GRANADA LLC | Park Monaco Inc | PARK SIENNA LLC You are currently viewing:
This Pooling and Servicing Agreement involves

BANK OF NEW YORK | COUNTRYWIDE GP, INC | COUNTRYWIDE HOME LOANS SERVICING LP | COUNTRYWIDE HOME LOANS, INC | CWMBS, INC | PARK GRANADA LLC | Park Monaco Inc | PARK SIENNA LLC

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Title: POOLING AND SERVICING AGREEMENT
Governing Law: New York     Date: 3/27/2007

POOLING AND SERVICING AGREEMENT, Parties: bank of new york , countrywide gp  inc , countrywide home loans servicing lp , countrywide home loans  inc , cwmbs  inc , park granada llc , park monaco inc , park sienna llc
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                                 EXHIBIT 99.1
                                 ------------

                      The Pooling and Servicing Agreement


                                                                EXECUTION COPY


                          =============================

                                 CWMBS, INC.,

                                   Depositor

                         COUNTRYWIDE HOME LOANS, INC.,

                                    Seller

                                PARK GRANADA LLC,

                                    Seller

                               PARK MONACO INC.,

                                    Seller

                               PARK SIENNA LLC,

                                    Seller

                      COUNTRYWIDE HOME LOANS SERVICING LP,

                                Master Servicer

                                      and

                             THE BANK OF NEW YORK,

                                    Trustee

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


                        POOLING AND SERVICING AGREEMENT

                         Dated as of February 1, 2007

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


                    CHL MORTGAGE PASS-THROUGH TRUST 2007-3

              MORTGAGE PASS-THROUGH CERTIFICATES, SERIES 2007-3



                        =============================


<PAGE>


                               Table of Contents

                                                                           Page
                                                                          ----


                             ARTICLE I DEFINITIONS

SECTION 1.01.     Defined Terms.............................................I-3
SECTION 1.02.     Certain Interpretive Provisions..........................I-33

ARTICLE II CONVEYANCE OF MORTGAGE LOANS; REPRESENTATIONS AND WARRANTIES

SECTION 2.01.     Conveyance of Mortgage Loans.............................II-1
SECTION 2.02.     Acceptance by Trustee of the Mortgage Loans..............II-4
SECTION 2.03.     Representations, Warranties and Covenants of the
                 Sellers and   Master Servicer.............................II-6
SECTION 2.04.     Representations and Warranties of the Depositor as to
                  the Mortgage Loans.......................................II-8
SECTION 2.05.     Delivery of Opinion of Counsel in Connection with
                 Substitutions............................................II-9
SECTION 2.06.     Execution and Delivery of Certificates...................II-9
SECTION 2.07.     REMIC Matters............................................II-9
SECTION 2.08.     Covenants of the Master Servicer........................II-10

          ARTICLE III ADMINISTRATION AND SERVICING OF MORTGAGE LOANS

SECTION 3.01.     Master Servicer to Service Mortgage Loans...............III-1
SECTION 3.02.     Subservicing; Enforcement of the Obligations of
                 Subservicers............................................III-2
SECTION 3.03.     Rights of the Depositor and the Trustee in Respect of
                 the Master Servicer.....................................III-2
SECTION 3.04.     Trustee to Act as Master Servicer.......................III-2
SECTION 3.05.     Collection of Mortgage Loan Payments; Certificate
                 Account; Distribution Account; Supplemental Interest
                 Trust and the Corridor Contract Reserve Fund............III-3
SECTION 3.06.     Collection of Taxes, Assessments and Similar Items;
                  Escrow Accounts.........................................III-6
SECTION 3.07.     Access to Certain Documentation and Information
                 Regarding the Mortgage Loans............................III-6
SECTION 3.08.     Permitted Withdrawals from the Certificate Account,
                 the Distribution Account and the Corridor Contract
                 Reserve Fund............................................III-7
SECTION 3.09.     Maintenance of Hazard Insurance; Maintenance of
                 Primary Insurance Policies..............................III-9
SECTION 3.10.     Enforcement of Due-on-Sale Clauses; Assumption
                 Agreements.............................................III-10
SECTION 3.11.     Realization Upon Defaulted Mortgage Loans; Repurchase
                 of Certain Mortgage Loans..............................III-11
SECTION 3.12.     Trustee to Cooperate; Release of Mortgage Files........III-14
SECTION 3.13.     Documents, Records and Funds in Possession of Master
                  Servicer to be Held for the Trustee....................III-14
SECTION 3.14.     Servicing Compensation.................................III-15
SECTION 3.15.     Access to Certain Documentation........................III-15
SECTION 3.16.     Annual Statement as to Compliance......................III-16
SECTION 3.17.     Errors and Omissions Insurance; Fidelity Bonds.........III-16
SECTION 3.18.     The Corridor Contract..................................III-16


                                      i
<PAGE>


         ARTICLE IV DISTRIBUTIONS AND ADVANCES BY THE MASTER SERVICER

SECTION 4.01.     Advances.................................................IV-1
SECTION 4.02.     Priorities of Distribution...............................IV-2
SECTION 4.03.     [Reserved]...............................................IV-8
SECTION 4.04.     Allocation of Realized Losses............................IV-8
SECTION 4.05.     [Reserved]...............................................IV-9
SECTION 4.06.     Monthly Statements to Certificateholders.................IV-9
SECTION 4.07.     Determination of Pass-Through Rates for COFI
                 Certificates.............................................IV-9
SECTION 4.08.     Determination of Pass-Through Rates for LIBOR
                 Certificates............................................IV-10
SECTION 4.09.     Distributions from the Corridor Contract Reserve Fund...IV-12

                          ARTICLE V THE CERTIFICATES

SECTION 5.01.     The Certificates..........................................V-1
SECTION 5.02.     Certificate Register; Registration of Transfer and
                 Exchange of Certificates..................................V-1
SECTION 5.03.     Mutilated, Destroyed, Lost or Stolen Certificates.........V-5
SECTION 5.04.     Persons Deemed Owners.....................................V-6
SECTION 5.05.     Access to List of Certificateholders' Names and
                 Addresses.................................................V-6
SECTION 5.06.     Maintenance of Office or Agency...........................V-6
SECTION 5.07.     Depositable and Exchangeable Certificates.................V-6

               ARTICLE VI THE DEPOSITOR AND THE MASTER SERVICER

SECTION 6.01.     Respective Liabilities of the Depositor and the Master
                  Servicer.................................................VI-1
SECTION 6.02.     Merger or Consolidation of the Depositor or the Master
                 Servicer.................................................VI-1
SECTION 6.03.     Limitation on Liability of the Depositor, the Sellers,
                 the Master Servicer and Others...........................VI-1
SECTION 6.04.     Limitation on Resignation of Master Servicer.............VI-2

                              ARTICLE VII DEFAULT

SECTION 7.01.     Events of Default.......................................VII-1
SECTION 7.02.     Trustee to Act; Appointment of Successor................VII-3
SECTION 7.03.     Notification to Certificateholders......................VII-4

                      ARTICLE VIII CONCERNING THE TRUSTEE

SECTION 8.01.     Duties of Trustee......................................VIII-1
SECTION 8.02.     Certain Matters Affecting the Trustee..................VIII-2
SECTION 8.03.     Trustee Not Liable for Certificates or Mortgage Loans..VIII-3
SECTION 8.04.     Trustee May Own Certificates...........................VIII-3
SECTION 8.05.     Trustee's Fees and Expenses............................VIII-3
SECTION 8.06.     Eligibility Requirements for Trustee...................VIII-3
SECTION 8.07.     Resignation and Removal of Trustee.....................VIII-4
SECTION 8.08.     Successor Trustee......................................VIII-5
SECTION 8.09.     Merger or Consolidation of Trustee.....................VIII-5
SECTION 8.10.     Appointment of Co-Trustee or Separate Trustee..........VIII-5
SECTION 8.11.     Tax Matters............................................VIII-7
SECTION 8.12.     Monitoring of Significance Percentage..................VIII-9


                                       ii
<PAGE>


                            ARTICLE IX TERMINATION

SECTION 9.01.     Termination upon Liquidation or Purchase of all
                 Mortgage Loans...........................................IX-1
SECTION 9.02.     Final Distribution on the Certificates...................IX-1
SECTION 9.03.     Additional Termination Requirements......................IX-2

                      ARTICLE X MISCELLANEOUS PROVISIONS

SECTION 10.01.    Amendment.................................................X-1
SECTION 10.02.    Recordation of Agreement; Counterparts....................X-2
SECTION 10.03.    Governing Law.............................................X-2
SECTION 10.04.    Intention of Parties......................................X-2
SECTION 10.05.    Notices...................................................X-4
SECTION 10.06.    Severability of Provisions................................X-5
SECTION 10.07.    Assignment................................................X-5
SECTION 10.08.    Limitation on Rights of Certificateholders................X-5
SECTION 10.09.    Inspection and Audit Rights...............................X-6
SECTION 10.10.    Certificates Nonassessable and Fully Paid.................X-6
SECTION 10.11.    [Reserved]................................................X-6
SECTION 10.12.    Protection of Assets......................................X-6

                       ARTICLE XI EXCHANGE ACT REPORTING

SECTION 11.01.    Filing Obligations.......................................XI-1
SECTION 11.02.    Form 10-D Filings........................................XI-1
SECTION 11.03.    Form 8-K Filings.........................................XI-2
SECTION 11.04.    Form 10-K Filings........................................XI-2
SECTION 11.05.    Sarbanes-Oxley Certification.............................XI-2
SECTION 11.06.    Form 15 Filing...........................................XI-3
SECTION 11.07.    Report on Assessment of Compliance and Attestation.......XI-3
SECTION 11.08.    Use of Subservicers and Subcontractors...................XI-4
SECTION 11.09.    Amendments...............................................XI-5
SECTION 11.10.    Reconciliation of Accounts...............................XI-5

                                   SCHEDULES

Schedule I      Mortgage Loan Schedule....................................S-I-1
Schedule II-A   Representations and Warranties of Countrywide..........S-II-A-1
Schedule II-B   Representations and Warranties of Park Granada.........S-II-B-1
Schedule II-C   Representations and Warranties of Park Monaco Inc......S-II-C-1
Schedule II-D   Representations and Warranties of Park Sienna LLC......S-II-D-1
Schedule III-A Representations and Warranties of Countrywide
               as to the Mortgage Loans..............................S-III-A-1
Schedule III-B Representations and Warranties of Countrywide
               as to the Countrywide Mortgage Loans..................S-III-B-1
Schedule III-C Representations and Warranties of Park Granada
               as to the Park Granada Mortgage Loans.................S-III-C-1
Schedule III-D Representations and Warranties of Park Monaco Inc.
               as to the Park Monaco Inc. Mortgage Loans.............S-III-D-1
Schedule III-E Representations and Warranties of Park Sienna LLC
               as to the Park Sienna LLC Mortgage Loans..............S-III-E-1


                                     iii
<PAGE>


Schedule IV     Representations and Warranties of the Master
               Servicer.................................................S-IV-1
Schedule V      Principal Balance Schedules (if applicable)...............S-V-1
Schedule VI     Form of Monthly Master Servicer Report...................S-VI-I
Schedule VII    Schedule of Available Exchanges of Depositable
               Certificates for Exchangeable Certificates..............S-VII-1


                                      iv
<PAGE>


                                   EXHIBITS

Exhibit A:       Form of Senior or Exchangeable Certificate (excluding
                Notional Amount Certificates)..............................A-1
Exhibit B:       Form of Subordinated Certificate...........................B-1
Exhibit C-1:     Form of Class A-R Certificate............................C-1-1
Exhibit C-2:     [Reserved]...............................................C-2-1
Exhibit C-3:     [Reserved]...............................................C-3-1
Exhibit D:       Form of Notional Amount Certificate........................D-1
Exhibit E:       Form of Reverse of Certificates............................E-1
Exhibit F-1:     Form of Initial Certification of Trustee.................F-1-1
Exhibit F-2:     [Reserved]...............................................F-2-1
Exhibit G-1:     Form of Delay Delivery Certification of Trustee..........G-1-1
Exhibit G-2:     [Reserved]...............................................G-2-1
Exhibit H-1:     Form of Final Certification of Trustee...................H-1-1
Exhibit H-2:     [Reserved]...............................................H-2-1
Exhibit I:       Form of Transfer Affidavit.................................I-1
Exhibit J-1:     Form of Transferor Certificate (Residual)................J-1-1
Exhibit J-2:     Form of Transferor Certificate (Private).................J-2-1
Exhibit K:       Form of Investment Letter [Non-Rule 144A]..................K-1
Exhibit L-1:     Form of Rule 144A Letter.................................L-1-1
Exhibit L-2:     Form of ERISA Letter (Covered Certificates)..............L-2-1
Exhibit M:       Form of Request for Release (for Trustee)..................M-1
Exhibit N:       Form of Request for Release of Documents (Mortgage Loan
                - Paid in Full, Repurchased and Replaced)..................N-1
Exhibit O:       [Reserved].................................................O-1
Exhibit P:       [Reserved].................................................P-1
Exhibit Q:       The then current version of Standard & Poor's
                LEVELS(R) Version 5.7 Glossary Revised, Appendix E.........Q-1
Exhibit R:       Form of Corridor Contract..................................R-1
Exhibit S-1:     [Reserved]...............................................S-1-1
Exhibit S-2:     [Reserved]...............................................S-2-1
Exhibit T:       [Reserved].................................................T-1
Exhibit U:       Form of Monthly Statement..................................U-1
Exhibit V-1:     Form of Performance Certification (Subservicer)..........V-1-1
Exhibit V-2:     Form of Performance Certification (Trustee)..............V-2-1
Exhibit W:       Form of Servicing Criteria to be Addressed in
                Assessment of Compliance Statement.........................W-1
Exhibit X:       List of Item 1119 Parties..................................X-1
Exhibit Y:       Form of Sarbanes-Oxley Certification (Replacement
                 of Master Servicer)........................................Y-1


                                      v
<PAGE>


            THIS POOLING AND SERVICING AGREEMENT, dated as of February 1,
2007, among CWMBS, INC., a Delaware corporation, as depositor (the
"Depositor"), COUNTRYWIDE HOME LOANS, INC. ("Countrywide"), a New York
corporation, as a seller (a "Seller"), PARK GRANADA LLC ("Park Granada"), a
Delaware limited liability company, as a seller (a "Seller"), PARK MONACO INC.
("Park Monaco"), a Delaware corporation, as a seller (a "Seller"), PARK SIENNA
LLC ("Park Sienna"), a Delaware limited liability company, as a seller (a
"Seller"), COUNTRYWIDE HOME LOANS SERVICING LP, a Texas limited partnership,
as master servicer (the "Master Servicer"), and THE BANK OF NEW YORK, a
banking corporation organized under the laws of the State of New York, as
trustee (the "Trustee").

                                WITNESSETH THAT

            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. For federal income tax
purposes, the Trustee shall treat the Trust Fund as consisting of, among other
things, a trust (the "ES Trust") beneath which are two real estate mortgage
investment conduits (or in the alternative, the "Lower Tier REMIC" and the
"Master REMIC") and shall make all elections as necessary for such treatment.
The Lower Tier REMIC will hold all the assets of the Trust Fund and will issue
several classes of uncertificated Lower Tier REMIC Interests. The Class
LTR-A-R Interest is hereby designated as the residual interest in the Lower
Tier REMIC and each other Lower Tier REMIC Interest is hereby designated as a
regular interest in the Lower Tier REMIC. The Master REMIC will hold all the
regular interests in the Lower Tier REMIC and will issue several classes of
uncertificated Master REMIC Interests. The Class A-R Interest is hereby
designated as the residual interest in the Master REMIC and each other Master
REMIC Interest is hereby designated as a regular interest in the Master REMIC.
The "latest possible maturity date," for federal income tax purposes, of all
REMIC regular interests created hereby will be the Latest Possible Maturity
Date.

            The ES Trust shall hold the LTR-A-R Interest, the MR-A-R Interest,
all Master REMIC regular interests and shall issue the Certificates. Each
Certificate, other than the Class A-R Certificate, will represent ownership of
one or more of the Master REMIC regular interests held by the ES Trust. The
Class A-R Certificate will represent ownership of the LTR-A-R Interest and the
MR-A-R Interest, which are, respectively, the sole Classes of REMIC residual
interest in each of the Lower Tier REMIC and the Master REMIC.

            For federal income tax purposes the Trustee shall treat the ES
Trust as a Grantor Trust and shall treat each Holder of an ES Trust
Certificate as the owner of the individual, underlying assets represented by
such ES Trust Certificate. In addition, to the fullest extent possible,
ownership of an ES Trust Certificate shall be treated as direct ownership of
the individual, underlying assets represented by such ES Trust Certificate for
federal income tax reporting purposes.

      The ES Trust, the Corridor Contract, the Supplemental Interest Trust and
the Corridor Contract Reserve Fund will not form part of any REMIC.


<PAGE>


       The following table sets forth characteristics of the ES Trust
Certificates, together with the minimum denominations and integral multiples
in excess thereof in which such Classes shall be issuable (except that one
Residual Certificate representing the Tax Matters Person Certificate may be
issued in a different amount):

<TABLE>
<CAPTION>
========================= ======================== ================= ===================== =============== ==================
                                                                                                               Classes of
                                                                                              Integral        Master REMIC
                                                     Pass-Through                            Multiples in        Interests
                           Initial Maximum Class          Rate                                 Excess of         Represented
   Class Designation         Certificate Balance       (per annum)      Minimum Denomination      Minimum             (14)
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
<S>                        <C>                       <C>                <C>                     <C>              <C>
Class A-1                     $ 344,698,666               6.00%               $25,000                     $1    MR-A-1
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-2                       $ 1,000,000               6.00%               $25,000                     $1    MR-A-2
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-3                      $ 32,000,000               6.00%               $25,000                     $1    MR-A-26, MR-A-27
                                                                                                           and MR-A-28
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-4                     $ 200,000,000               6.00%               $25,000                     $1    MR-A-12 (15),
                                                                                                            MR-A-18,
                                                                                                           MR-A-19 and
                                                                                                            MR-A-20
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-5                       $ 8,333,333                (1)                $25,000                     $1    MR-A-5
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-6                       $50,000,000(2)             (3)                $25,000(4)                  $1(4)MR-A-6
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-7                       $ 8,333,333                (5)                $25,000                      $1    MR-A-5 and MR-A-6
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-8                      $ 36,960,000               5.50%               $25,000                      $1    MR-A-8
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-9                        $3,080,000(2)            6.00%               $25,000(4)                  $1(4)MR-A-9
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-10                     $ 36,960,000               6.00%               $25,000                     $1    MR-A-8 and MR-A-9
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-11                      $ 4,000,000               6.00%                $1,000                     $1    MR-A-11
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-12                     $ 62,020,000               6.00%               $25,000                     $1    MR-A-12
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-13                     $ 50,000,000                (6)                $25,000                     $1    MR-A-13
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-14                     $ 45,257,142                (7)                $25,000                     $1    MR-A-14
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-15                      $ 7,542,857                (8)                $25,000                     $1    MR-A-15
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-16                     $ 40,000,000               6.00%               $25,000                     $1    MR-A-38 and
                                                                                                            MR-A-39
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-17                     $ 46,240,000               6.00%               $25,000                     $1    MR-A-17
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-18                     $ 30,000,000               6.00%               $25,000                     $1    MR-A-18
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-19                     $150,000,000               5.75%               $25,000                     $1    MR-A-19
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-20                       $6,250,000(2)            6.00%               $25,000(4)                  $1(4)MR-A-20
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-21                    $ 150,000,000               6.00%               $25,000                     $1    MR-A-19 and
                                                                                                            MR-A-20
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-22                     $ 13,251,000               6.00%               $25,000                     $1    MR-A-22
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-23                     $ 25,000,000               6.00%               $25,000                     $1    MR-A-23
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-24                          $ 3,596               6.00%                $1,000                      $1    MR-A-24
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-25                       $ 1,000                  6.00%                $1,000                     $1     MR-A-25
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-26                     $ 6,000,000                6.00%               $25,000                     $1    MR-A-26
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-27                     $ 26,000,000               5.75%               $25,000                     $1    MR-A-27
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-28                    $1,083,333(2)               6.00%               $25,000(4)                  $1(4)MR-A-28
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-29                     $ 26,000,000               6.00%               $25,000                     $1    MR-A-27 and
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
</TABLE>


<PAGE>


<TABLE>
<CAPTION>
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
<S>                         <C>                       <C>                <C>                    <C>              <C>
                                                                                                           MR-A-28
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-30                     $ 82,308,000               5.75%               $25,000                     $1    MR-A-30
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-31                    $3,429,500(2)               6.00%               $25,000(4)                  $1(4)MR-A-31
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-32                     $ 82,308,000               6.00%               $25,000                     $1    MR-A-30 and
                                                                                                            MR-A-31
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-33                     $ 36,291,000               6.00%               $25,000                      $1    MR-A-33
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-34                    $ 118,599,000               6.00%               $25,000                     $1    MR-A-30, MR-A-31
                                                                                                           and MR-A-33
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-35                          $ 1,000               6.00%                $1,000                     $1    MR-A-35
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-36                           $ 1,000               6.00%                $1,000                     $1    MR-A-36
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-37                     $ 79,579,000               6.00%               $25,000                     $1    MR-A-40, MR-A-42
                                                                                                           and MR-A-43
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-38                     $ 40,000,000               5.75%               $25,000                     $1    MR-A-38
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-39                       $1,666,666(2)            6.00%               $25,000(4)                  $1(4)MR-A-39
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-40                     $ 68,210,571                (9)                $25,000                     $1    MR-A-40
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-41                     $ 11,368,428                (10)               $25,000                     $1    MR-A-42 and
                                                                                                            MR-A-43
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-42                      $68,210,571(2)             (11)               $25,000(4)                  $1(4)MR-A-40
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-43                     $ 11,368,428                (1)                $25,000                     $1    MR-A-43
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-44                    $ 123,200,000               6.00%               $25,000                     $1    MR-A-8, MR-A-9,
                                                                                                            !MR-A-17, MR-A-38
                                                                                                           and MR-A-39
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class X                        $881,587,528(2)             (12)               $25,000(4)                  $1(4)MR-X
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class PO                        $ 6,616,167                (1)                $25,000                     $1    MR-PO
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class A-R(13)                         $ 200               6.00%                 (13)                     (13)   LTR-A-R
                                                                                                            MR-A-R
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class M                        $ 28,674,500               6.00%               $25,000                      $1    MR-M
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class B-1                       $ 6,881,900               6.00%               $25,000                     $1    MR-B-1
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class B-2                       $ 4,588,000               6.00%               $25,000                     $1    MR-B-2
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class B-3                       $ 2,293,900               6.00%              $100,000                     $1    MR-B-3
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class B-4                       $ 1,147,000               6.00%              $100,000                     $1    MR-B-4
------------------------- ------------------------ ----------------- --------------------- --------------- ------------------
Class B-5                       $ 2,294,031               6.00%              $100,000                     $1    MR-B-5
========================= ======================== ================= ===================== =============== ==================
</TABLE>

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

(1)    This Class will be a Class of Principal Only Certificates and will not
      receive any distributions of interest.

(2)    This Class will be a Class of Notional Amount Certificates, will have no
      Class Certificate Balance and will bear interest on its Notional Amount.

(3)    The Pass-Through Rate for the Class A-6 Certificates for the Interest
      Accrual Period for each Distribution Date will be a per annum rate equal
      to 6.70% minus LIBOR, subject to a maximum and minimum Pass-Through Rate
      of 6.70% and 0.00% per annum, respectively. The Pass-Through Rate for
      the Class A-6 Certificates for the Interest Accrual Period for the first
      Distribution Date is 1.38% per annum.


<PAGE>


(4)    Minimum denomination is based on the Notional Amount of such Class.

(5)    The Pass-Through Rate for the Class A-7 Certificates for the Interest
      Accrual Period for each Distribution Date will be a per annum rate equal
      to 40.20% minus the product of (a) 6.00 and (b) LIBOR, subject to a
      maximum and minimum Pass-Through Rate of 40.20% and 0.00% per annum,
      respectively. The Pass-Through Rate for the Class A-7 Certificates for
      the Interest Accrual Period for the first Distribution Date is 8.28% per
      annum.

(6)    The Pass-Through Rate for the Class A-13 Certificates for the Interest
      Accrual Period for each Distribution Date will be a per annum rate equal
      to LIBOR plus 0.30%, subject to a maximum and minimum Pass-Through Rate
      of 7.00% and 0.30% per annum, respectively. The Pass-Through Rate for
      the Class A-13 Certificates for the Interest Accrual Period for the
      first Distribution Date is 5.62% per annum.

(7)    The Pass-Through Rate for the Class A-14 Certificates for the Interest
      Accrual Period for each Distribution Date will be a per annum rate equal
      to LIBOR plus 0.40%, subject to a maximum and minimum Pass-Through Rate
      of 7.00% and 0.40% per annum, respectively. The Pass-Through Rate for
      the Class A-14 Certificates for the Interest Accrual Period for the
      first Distribution Date is 5.72% per annum.

(8)    The Pass-Through Rate for the Class A-15 Certificates for the Interest
      Accrual Period for each Distribution Date will be a per annum rate equal
      to 39.6% minus the product of (a) 6.00 and (b) LIBOR, subject to a
      maximum and minimum Pass-Through Rate of 39.6% and 0.00% per annum,
       respectively. The Pass-Through Rate for the Class A-15 Certificates for
      the Interest Accrual Period for the first Distribution Date is 7.68% per
      annum.

(9)    The Pass-Through Rate for the Class A-40 Certificates for the Interest
      Accrual Period for each Distribution Date will be a per annum rate equal
      to LIBOR plus 0.40%, subject to a maximum and minimum Pass-Through Rate
      of 6.00% and 0.40% per annum, respectively. The Pass-Through Rate for
      the Class A-40 Certificates for the Interest Accrual Period for the
      first Distribution Date is 5.72% per annum.

(10)   The Pass-Through Rate for the Class A-41 Certificates for the Interest
      Accrual Period for each Distribution Date will be a per annum rate equal
      to 39.6% minus the product of (a) 6.00 and (b) LIBOR, subject to a
      maximum and minimum Pass-Through Rate of 7.00% and 0.00% per annum,
      respectively. The Pass-Through Rate for the Class A-41 Certificates for
      the Interest Accrual Period for the first Distribution Date is 7.68% per
      annum.

(11)   The Pass-Through Rate for the Class A-42 Certificates for the Interest
      Accrual Period for each Distribution Date will be a per annum rate equal
      to 6.60% minus LIBOR, subject to a maximum and minimum Pass-Through Rate
      of 6.60% and 0.00% per annum, respectively. The Pass-Through Rate for
      the Class A-42 Certificates for the Interest Accrual Period for the
      first Distribution Date is 1.28% per annum.

(12)   The Pass-Through Rate for the Class X Certificates for the Interest
      Accrual Period for any Distribution Date will equal the excess of (a)
      the weighted average of the Adjusted Net Mortgage Rates of the
      Non-Discount Mortgage Loans, weighted on the basis of the Stated
      Principal Balances thereof as of the Due Date in the preceding calendar
      month (after giving effect to Principal Prepayments received in the
      Prepayment Period related to such prior Due Date), over (b) 6.00%. The
      Pass-Through Rate for the Class X Certificates for the Interest Accrual
      Period for the first Distribution Date is 0.249537% per annum.


<PAGE>


(13)   The Class A-R Certificates represent the sole Class of residual interest
      in the Master REMIC and in Lower Tier REMIC. The Class A-R Certificate
      shall be issued by the ES Trust as two separate certificates, one with
      an initial Certificate Balance of $199.99 and the Tax Matters Person
      Certificate with an initial Certificate Balance of $0.01.

(14)   See Schedule VII for information regarding the Recombinations of the
      Depositable and Exchangeable Certificates related to these
      uncertificated Master REMIC Interests.

(15)   This recombination only requires 32.24766205% of the MR-A-12 Master
      REMIC regular Interest.


<PAGE>


      The following table specifies the class designation, interest rate, and
principal amount for each class of Master REMIC Interest:

<TABLE>
<CAPTION>
------------------------------- -------------------------- ---------------------------- ----------------------------
    Master REMIC Interest        Initial Principal Balance          Interest Rate           Possible Corresponding ES
         Designation                                                                          Trust Certificates
------------------------------- -------------------------- ---------------------------- ----------------------------
<S>                              <C>                         <C>                           <C>
MR-A-1                                $ 344,698,666                      6.00%              Class A-1
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-2                                 $ 1,000,000                       6.00%              Class A-2
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-5                                 $ 8,333,333                       (1)               Class A-5, Class A-7
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-6                                 $50,000,000(2)                    (3)               Class A-6, Class A-7
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-8                                $ 36,960,000                      5.50%              Class A-8, Class A-10,
                                                                                         Class A-44
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-9                                  $3,080,000(2)                   6.00%               Class A-9, Class A-10,
                                                                                        Class A-44
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-11                                 $ 4,000,000                      6.00%              Class A-11
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-12                               $ 62,020,000                       6.00%              Class A-12, Class A-4
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-13                               $ 50,000,000                       (4)                Class A-13, Class A-6,
                                                                                        Class A-7
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-14                                $ 45,257,142                       (5)               Class A-14
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-15                                $ 7,542,857                       (6)               Class A-15
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-17                               $ 46,240,000                      6.00%              Class A-17, Class A-44
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-18                               $ 30,000,000                      6.00%              Class A-4, Class A-18
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-19                               $150,000,000                      5.75%              Class A-4, Class A-19,
                                                                                         Class A-21
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-20                                 $6,250,000(2)                   6.00%              Class A-4, Class A-20,
                                                                                        Class A-21,
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-22                               $ 13,251,000                      6.00%              Class A-22
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-23                               $ 25,000,000                      6.00%              Class A-23
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-24                                    $ 3,596                      6.00%               Class A-24
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-25                                    $ 1,000                      6.00%              Class A-25
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-26                                $ 6,000,000                      6.00%              Class A-3, Class A-26
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-27                               $ 26,000,000                      5.75%              Class A-3, Class A-27,
                                                                                         Class A-29
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-28                                 $1,083,333(2)                   6.00%              Class A-3, Class A-28,
                                                                                         Class A-29
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-30                               $ 82,308,000                       5.75%              Class A-30, Class A-32,
                                                                                        Class A-34
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-31                                 $3,429,500                      6.00%              Class A-31, Class A-34
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-33                               $ 36,291,000                      6.00%              Class A-33, Class A-34
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-35                                     $ 1,000                      6.00%              Class A-35
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-36                                    $ 1,000                      6.00%              Class A-36
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-38                               $ 40,000,000                      5.75%              Class A-16, Class A-38,
                                                                                         !Class A-44
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-39                                 $1,666,666(2)                   6.00%              Class A-16, Class A-39,
                                                                                        Class A-44
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-40                               $ 68,210,571                       (7)               Class A-37, Class A-40,
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-42                                $68,210,571(2)                    (8)               Class A-37 Class A-41,
                                                                                        Class A-42
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-43                              $ 123,200,000                       (1)               Class A-37, Class A-41,
------------------------------- -------------------------- ---------------------------- ----------------------------
</TABLE>


<PAGE>


<TABLE>
<CAPTION>
------------------------------- -------------------------- ---------------------------- ----------------------------
<S>                              <C>                          <C>                           <C>
                                                                                        Class A-43
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-X                                        (9)                          (9)               Class X
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-1-$200                                    $ 200                      6.00%              Class A-R
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-PO                                  $ 6,616,167                       (1)                Class PO
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-M                                  $ 28,674,500                      6.00%              Class M
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-B-1                                 $ 6,881,900                      6.00%              Class B-1
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-B-2                                 $ 4,588,000                      6.00%              Class B-2
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-B-3                                 $ 2,293,900                      6.00%              Class B-3
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-B-4                                 $ 1,147,000                      6.00%              Class B-4
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-B-5                                 $ 2,294,031                      6.00%               Class B-5
------------------------------- -------------------------- ---------------------------- ----------------------------
MR-A-R                                      (10)                        (10)               N/A
------------------------------- -------------------------- ---------------------------- ----------------------------
</TABLE>

(1)    This Class of Master REMIC Interest pays no interest.

(2)    This class will be a class of Notional Amount Master REMIC Interest,
      will have no principle balance and will bear interest on its Notional
      Amount.

(3)    For each Distribution Date, this class of Master REMIC Interest is
      entitled to a portion of the interest payable on the Class LTR-A-13
      Lower Tier REMIC Interest. Specifically, for each Distribution Date,
      this Master REMIC Interest is entitled to the interest payable on the
      Class LTR-A-13 Lower Tier REMIC Interest at a per annum rate equal to
      6.70% minus LIBOR.

(4)    The Class A-13 Master REMIC Interests will bear interest during each
      Interest Accrual Period at a per annum rate of LIBOR plus 0.30%, subject
      to a maximum and minimum Pass-Through Rate of 7.00% and 0.30% per annum,
      respectively.

(5)    The Class A-14 Master REMIC Interests will bear interest during each
      Interest Accrual Period at a per annum rate of LIBOR plus 0.40%, subject
      to a maximum and minimum Pass-Through Rate of 7.00% and 0.40% per annum,
      respectively.

(6)    The Class A-15 Master REMIC Interests will bear interest during each
      Interest Accrual Period at a per annum rate per annum rate equal to
      40.2% minus the product of (a) 6.00 and (b) LIBOR.

(7)    The Class A-40 Master REMIC Interests will bear interest during each
      Interest Accrual Period at a per annum rate of LIBOR plus 0.40%, subject
      to a maximum and minimum Pass-Through Rate of 7.00% and 0.40% per annum,
      respectively.

(8)    For each Distribution Date, this class of Master REMIC Interest is
      entitled to a portion of the interest payable on the Class LTR-A-40
      Lower Tier REMIC Interest. Specifically, for each Distribution Date,
      this Master REMIC Interest is entitled to the interest payable on the
      Class LTR-A-40 Lower Tier REMIC Interest at a per annum rate equal to
      6.60% minus LIBOR.

(9)    The MR-X Master REMIC Interest is entitled to receive on each
      Distribution Date all amounts payable with respect to the LTR-X Lower
      Tier REMIC Interest. The MR-X Master REMIC Interest pays no principal.

(10)   The Class MTR-A-R Master REMIC Interest represents the sole Class of
      residual interest in the Master REMIC.


<PAGE>


      The following table specifies the class designation, interest rate, and
principal amount for each class of Lower Tier REMIC Interests:

<TABLE>
<CAPTION>
------------------------------- -------------------------- ---------------------------- ----------------------------
  Lower Tier REMIC Interest      Initial Principal Balance          Interest Rate          Corresponding Master REMIC
         Designation                                                                              Interest
------------------------------- -------------------------- ---------------------------- ----------------------------
<S>                               <C>                         <C>                           <C>
LTR-A-1                              $ 344,698,666                      6.00%              MR-A-1
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-A-2                                $ 1,000,000                      6.00%              MR-A-2
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-A-5                                $ 8,333,333                        (1)               MR-A-5
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-A-8                               $ 36,960,000                      6.00%              MR-A-8, MR-9(2)
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-A-11                               $ 4,000,000                      6.00%               MR-A-11
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-A-12                              $ 62,020,000                      6.00%              MR-A-12
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-A-13                              $ 50,000,000                      7.00%              MR-A-13, MR-A-6(3)
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-A-14                              $ 45,257,142                      6.00%              MR-A-14
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-A-15                               $ 7,542,857                      6.00%              MR-A-15
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-A-17                               $ 46,240,000                      6.00%              MR-A-17
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-A-18                              $ 30,000,000                      6.00%
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-A-19                             $ 150,000,000                      6.00%              MR-A-19, MR-A-20(4)
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-A-22                              $ 13,251,000                      6.00%              MR-A-22
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-A-23                              $ 25,000,000                      6.00%              MR-A-23
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-A-24                                   $ 3,596                      6.00%              MR-A-24
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-A-25                                   $ 1,000                      6.00%              MR-A-25
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-A-26                               $ 6,000,000                      6.00%               MR-A-26
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-A-27                              $ 26,000,000                      6.00%              MR-A-27, MR-A-28(5)
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-A-30                              $ 82,308,000                      6.00%              MR-A-30, MR-A-31(6)
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-A-33                              $ 36,291,000                      6.00%              MR-A-33
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-A-35                                   $ 1,000                      6.00%              MR-A-35
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-A-36                                    $ 1,000                      6.00%              MR-A-36
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-A-38                              $ 40,000,000                       6.00%              MR-A-38, MR-A-39(7)
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-A-40                              $ 68,210,571                      7.00%              MR-A-40, MR-A-42(8)
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-A-43                              $ 11,368,428                       (1)               MR-A-43
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-X                                       (9)                          (9)               MR-X
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-1-$200                                   $ 200                      6.00%              MR-A-R
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-PO                                 $ 6,616,167                       (1)               MR-PO
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-M                                 $ 28,674,500                      6.00%              MR-M
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-B-1                                $ 6,881,900                      6.00%              MR-B-1
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-B-2                                $ 4,588,000                      6.00%              MR-B-2
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-B-3                                $ 2,293,900                      6.00%              MR-B-3
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-B-4                                $ 1,147,000                      6.00%              MR-B-4
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-B-5                                 $ 2,294,031                      6.00%              MR-B-5
------------------------------- -------------------------- ---------------------------- ----------------------------
LTR-A-R                                    (10)                          (10)               N/A
------------------------------- -------------------------- ---------------------------- ----------------------------
</TABLE>


(1)    This Class of Lower Tier REMIC Interest pays no interest.

(2)    For each Distribution Date, the Class A-9 Master REMIC Interest is
      entitled to a specified portion of the interest payable on the Class
      LTR-A-8 Lower Tier REMIC Interest. Specifically, for each


<PAGE>


      Distribution Date, the Class A-9 Master REMIC Interest is each entitled
      to interest payable on the Class LTR-A-8 Lower Tier REMIC Interest at a
      per annum rate equal to 0.50%.

(3)    For each Distribution Date, the Class A-6 Master REMIC Interest is
      entitled to a specific portion of the interest payable on the Class
      LTR-A-13 Lower Tier REMIC Interest. Specifically, for each Distribution
      Date, the Class A-6 Master REMIC Interest is entitled to the interest
      payable on the Class LTR-A-13 at a per annum rate equal to 6.70% minus
       LIBOR, but not less than 0.00%.

(4)    For each Distribution Date, the Class A-20 Master REMIC Interest are
      entitled to specified portions of the interest payable on the Class
      LTR-A-19 Lower Tier REMIC Interest. Specifically, for each Distribution
      Date, the Class A-20 Master REMIC Interests are entitled to interest
      payable on the Class LTR-A-19 Lower Tier REMIC Interest at a per annum
      rate equal to 0.25%.

(5)    For each Distribution Date, the Class A-28 Master REMIC Interest is
      entitled to a specified portion of the interest payable on the Class
      LTR-A-27 Lower Tier REMIC Interest. Specifically, for each Distribution
      Date, the Class A-28 Master REMIC Interest is each entitled to interest
      payable on the Class LTR-A-27 Lower Tier REMIC Interest at a per annum
      rate equal to 0.25%.

(6)    For each Distribution Date, the Class A-31 Master REMIC Interest is
      entitled to a specified portion of the interest payable on the Class
      LTR-A-30 Lower Tier REMIC Interest. Specifically, for each Distribution
      Date, the Class A-31 Master REMIC Interest is each entitled to interest
      payable on the Class LTR-A-30 Lower Tier REMIC Interest at a per annum
      rate equal to 0.25%.

(7)    For each Distribution Date, the Class A-39 Master REMIC Interest is
      entitled to a specified portion of the interest payable on the Class
      LTR-A-38 Lower Tier REMIC Interest. Specifically, for each Distribution
      Date, the Class A-39 Master REMIC Interest is each entitled to interest
      payable on the Class LTR-A-38 Lower Tier REMIC Interest at a per annum
      rate equal to 0.25%.

(8)    For each Distribution Date, the Class A-42 Master REMIC Interest is
      entitled to a specific portion of the interest payable on the Class
      LTR-A-40 Lower Tier REMIC Interest. Specifically, for each Distribution
      Date, the Class A-42 Master REMIC Interest is entitled to the interest
      payable on the Class LTR-A-40 at a per annum rate equal to 6.60% minus
      LIBOR, but not less than 0.00%.

(9)    This Class of Lower Tier REMIC Interest pays no principal.

(10)   For each Distribution Date, the Class LTR-X Lower Tier REMIC Interest is
      entitled to a specified portion of the interest payable on the
      Non-Discount Mortgage Loans in Loan Group 1. Specifically, for each
      related Distribution Date, the Class LTR-X Lower Tier REMIC Interest is
      entitled to interest accruals on each such Non-Discount Mortgage Loan in
      excess of an Adjusted Net Mortgage Rate of 6.00% per annum.

(11)   The LT-A-R is the sole Class of residual interest in the Lower Tier
      REMIC. It pays no interest or principal.

      On each Distribution Date, interest shall be payable on the Lower Tier
REMIC Interests according the formulas described above, and principal,
Realized Losses and Subsequent Recoveries shall


<PAGE>


be allocated among the Lower Tier REMIC Interests in the same manner that such
items are allocated among their corresponding Certificate Classes.

       The foregoing REMIC structure is intended to cause all of the cash from
the Mortgage Loans to flow through to the Master REMIC as cash flow on a REMIC
regular interest, without creating any shortfall-actual or potential (other
than for credit losses) to any REMIC regular interest.


<PAGE>


      Set forth below are designations of Classes or Components of
Certificates and other defined terms to the categories used herein:

<TABLE>
<CAPTION>
<S>                                          <C>
Accretion Directed Certificates...........   Class A-23, Class A-24, Class A-36, Class A-40, Class A-41 and Class
                                            A-43 Certificates.

Accretion Directed Components.............   None.

Accrual Certificates......................   Class A-24, Class A-25, Class A-35 and Class A-36 Certificates.

Accrual Components........................   None.

Book-Entry Certificates...................   All Classes of Certificates other than the Physical Certificates.

COFI Certificates.........................   None.

Combined Certificates.....................   None.

Component Certificates....................   None.

Components................................   For purposes of calculating distributions of principal and/or
                                             interest, the Component Certificates, if any, will be comprised of
                                            multiple payment components having the designations, Initial
                                            Component Balances or Notional Amounts, as applicable, and
                                            Pass-Through Rates set forth below:

                                                                                   Initial
                                                       Designation              Component Balance     Pass-Through Rate
                                                      -----------              -----------------     -----------------
                                                           N/A                         N/A                   N/A

Delay Certificates........................   All interest-bearing Classes of Certificates other than the Non-Delay
                                            Certificates, if any.

Depositable Certificates..................   Class A-5, Class A-6, Class A-8, Class A-9, Class A-12, Class A-17,
                                            Class-A-18, Class A-19, Class A-20, Class A-26, Class A-27, Class
                                            A-28, Class A-30, Class A-31, Class A-33, Class A-38, Class A-39,
                                            Class A-40, Class A-42 and Class A-43 Certificates.

ERISA-Restricted Certificates.............   The Residual Certificates and Private Certificates (other than the
                                            Class A-24, Class A-25, Class A-35 and Class A-36 Certificates);
                                            until an ERISA-Qualifying Underwriting has occurred with respect to
                                             such Class, the Class A-24, Class A-25, Class A-35, Class A-36, Class
                                            PO and Class X Certificates; and any Certificate of a Class that does
                                            not have or no longer has a rating of at least BBB- or its equivalent
                                            from at least one Rating Agency.
</TABLE>


                                     I-1
<PAGE>


<TABLE>
<CAPTION>
<S>                                           <C>
Exchangeable Certificates.................   Class A-3, Class A-4, Class A-7, Class A-10, Class A-16, Class A-21,
                                            Class A-29, Class A-32, Class A-34, Class A-37, Class A-41 and Class
                                             A-44 Certificates.

Floating Rate Certificates................   Class A-13, Class A-14 and Class A-40 Certificates.

Inverse Floating Rate Certificates........   Class A-6, Class A-7, Class A-15, Class A-41 and Class A-42
                                             Certificates.

LIBOR Certificates........................   Floating Rate Certificates and Inverse Floating Rate Certificates.

Non-Delay Certificates....................   LIBOR Certificates and Class A-23 Certificates.

Notional Amount Certificates..............   Class A-6, Class A-9, Class A-20, Class A-28, Class A-31, Class A-39,
                                            Class A-42 and Class X Certificates.

Notional Amount Components................   None.

Offered Certificates......................   All Classes of Certificates other than the Private Certificates.

Physical Certificates.....................   Private Certificates and the Residual Certificates.

Planned Principal Classes.................   Class A-3, Class A-26, Class A-27, Class A-30, Class A-32, Class A-33
                                            and Class A-34 Certificates.

Principal Only Certificates...............   Class A-5, Class A-43 and PO Certificates.

Private Certificates......................   Accrual Certificates and Class B-3, Class B-4 and Class B-5
                                            Certificates.

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

Regular Certificates......................   All Classes of Certificates, other than the Residual Certificates.

Residual Certificates.....................   Class A-R Certificates.

Scheduled Principal Certificates..........   None.

Senior Certificates.......................   Class A-1, Class A-2, Class A-5, Class A-6, Class A-8, Class A-9,
                                            Class A-11, Class A-12, Class A-13, Class A-14, Class A-15, Class
                                            A-17, Class A-18, Class A-19, Class A-20, Class A-22, Class A-23,
                                             Class A-24, Class A-25, Class A-26, Class A-27, Class A-28, Class
                                            A-30, Class A-31, Class A-33, Class A-35, Class A-36, Class A-38,
                                            Class A-39, Class A-40, Class A-42, Class A-43, Class A-R, Class PO
                                            and Class X Certificates.

Subordinated Certificates ................   Class M, Class B-1, Class B-2, Class B-3, Class B-4 and Class B-5
                                             Certificates.

Targeted Principal Classes................   Class A-23, Class A-37, Class A-40, Class A-41 and Class A-43
                                            Certificates
</TABLE>


                                     I-2
<PAGE>

<TABLE>
<CAPTION>
<S>                                          <C>
Underwriter(s)............................   Each of BNP Paribas Securities Corp. and Countrywide Securities
                                            Corporation.
</TABLE>

             With respect to any of the foregoing designations as to which the
corresponding reference is "None," all defined terms and provisions herein
relating solely to such designations shall be of no force or effect, and any
calculations herein incorporating references to such designations shall be
interpreted without reference to such designations and amounts. Defined terms
and provisions herein relating to statistical rating agencies not designated
above as Rating Agencies shall be of no force or effect.



                                  ARTICLE I

                                  DEFINITIONS

            SECTION 1.01. Defined Terms

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

            Account: Any Escrow Account, the Certificate Account, the
Distribution Account, the Corridor Contract Reserve Fund, Exchangeable
Certificates Distribution Account or any other account related to the Trust
Fund or the Mortgage Loans.

            Accretion Directed Certificates:   As specified in the Preliminary
Statement.

             Accretion Direction Rule: The Class A-24 Accretion Direction
Rule, the Class A-25 Accretion Direction Rule, the Class A-35 Accretion
Direction Rule or the Class A-36 Accretion Direction Rule, as applicable.

            Accrual Amount: With respect to any Class of Accrual Certificates
and any Distribution Date prior to the Accrual Termination Date, the amount
allocable to interest on such Class of Accrual Certificates with respect to
such Distribution Date pursuant to Section 4.02(a)(ii).

            Accrual Certificates:   As specified in the Preliminary Statement.

            Accrual Components:   As specified in the Preliminary Statement.

            Accrual Termination Date:   The Class A-24 Accrual Termination
Date, the Class A-25 Accrual Termination Date, the Class A-35 Accrual
Termination and Class A-36 Accrual Termination Date, as applicable.

            Additional Designated Information:   As defined in Section 11.02.

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

            Adjusted Net Mortgage Rate: As to each Mortgage Loan, and at any
time, the per annum rate equal to the Mortgage Rate less the sum of the
Trustee Fee Rate and the Master Servicing Fee Rate. For purposes of
determining whether any Substitute Mortgage Loan is a Discount Mortgage Loan
or a Non-Discount Mortgage Loan and for purposes of calculating the applicable
PO Percentage and the


                                     I-3
<PAGE>


applicable Non-PO Percentage, each Substitute Mortgage Loan shall be deemed to
have an Adjusted Net Mortgage Rate equal to the Adjusted Net Mortgage Rate of
the Deleted Mortgage Loan for which it is substituted.

            Advance: The payment required to be made by the Master Servicer
with respect to any Distribution Date pursuant to Section 4.01, the amount of
any such payment being equal to the aggregate of payments of principal and
interest (net of the Master Servicing Fee) on the Mortgage Loans that were due
on the related Due Date and not received by the Master Servicer as of the
close of business on the related Determination Date, together with an amount
equivalent to interest on each Mortgage Loan as to which the related Mortgaged
Property is an REO Property (net of any net income from such REO Property),
less the aggregate amount of any such delinquent payments that the Master
Servicer has determined would constitute a Nonrecoverable Advance, if
advanced.

            Aggregate Planned Balance: With respect to any group of Planned
Principal Classes or Components and any Distribution Date, the amount set
forth for such group for such Distribution Date in Schedule V hereto.

            Aggregate Targeted Balance: With respect to any group of Targeted
Principal Classes or Components and any Distribution Date, the amount set
forth for such group for such Distribution Date in Schedule V hereto.

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

            Allocable Share: As to any Distribution Date and any Mortgage Loan
(i) with respect to the Class PO Certificates, zero, (ii) with respect to the
Class X Certificates, (a) the ratio that the excess, if any, of the Adjusted
Net Mortgage Rate with respect to such Mortgage Loan, over the Required Coupon
bears to such Adjusted Net Mortgage Rate with respect to such Mortgage Loan,
over the Required Coupon bears to such adjusted Net Mortgage Rate or (b) if
the Adjusted Net Mortgage Rate with respect to such Mortgage Loan does not
exceed the Required Coupon, zero and (iii) with respect to each other Class of
Certificates the product of (a) the lesser of (I) the ratio that the Required
Coupon bears to the Adjusted Net Mortgage Rate of such Mortgage Loan and (II)
one, multiplied by (b) the ratio that the amount calculated with respect to
such Distribution Date for such Class pursuant to clause (i) of the definition
of Class Optimal Interest Distribution Amount (without giving effect to any
reduction of such amount pursuant to Section 4.02(d)) bears to the amount
calculated with respect to such Distribution Date for each Class of
Certificates pursuant to clause (i) of the definition of Class Optimal
Interest Distribution Amount (without giving effect to any reduction of such
amount pursuant to Section 4.02(d)).

            Amount Available for Senior Principal: As to any Distribution
Date, Available Funds for such Distribution Date, reduced by the aggregate
amount distributable (or allocable to the Accrual Amount, if applicable) on
such Distribution Date in respect of interest on the Senior Certificates
pursuant to Section 4.02(a)(ii).

            Amount Held for Future Distribution: As to any Distribution Date,
the aggregate amount held in the Certificate Account at the close of business
on the related Determination Date on account of (i) Principal Prepayments
received after the related Prepayment Period and Liquidation Proceeds and
Subsequent Recoveries received in the month of such Distribution Date and (ii)
all Scheduled Payments due after the related Due Date.

            Applicable Credit Support Percentage:   As defined in Section
4.02(e).


                                     I-4
<PAGE>


            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 sale price of the Mortgaged
Property at the time of the origination of such Mortgage Loan; (ii) with
respect to a Refinancing Mortgage Loan other than a Streamlined Documentation
Mortgage Loan, the value of the Mortgaged Property based upon the appraisal
made-at the time of the origination of such Refinancing Mortgage Loan; and
(iii) with respect to a Streamlined Documentation Mortgage Loan, (a) if the
loan-to-value ratio with respect to the Original Mortgage Loan at the time of
the origination thereof was 80% or less and the loan amount of the new
mortgage loan is $650,000 or less, the value of the Mortgaged Property based
upon the appraisal made at the time of the origination of the Original
Mortgage Loan and (b) if the loan-to-value ratio with respect to the Original
Mortgage Loan at the time of the origination thereof was greater than 80% or
the loan amount of the new loan being originated is greater than $650,000, the
value of the Mortgaged Property based upon the appraisal (which may be a
drive-by appraisal) made at the time of the origination of such Streamlined
Documentation Mortgage Loan.

            Available Funds: As to any Distribution Date, the sum of (a) the
aggregate amount held in the Certificate Account at the close of business on
the related Determination Date, including any Subsequent Recoveries, net of
the Amount Held for Future Distribution and net of amounts permitted to be
withdrawn from the Certificate Account pursuant to clauses (i)-(viii),
inclusive, of Section 3.08(a) and amounts permitted to be withdrawn from the
Distribution Account pursuant to clauses (i)-(v) inclusive of Section 3.08(b),
(b) the amount of the related Advance and (c) in connection with Defective
Mortgage Loans, as applicable, the aggregate of the Purchase Prices and
Substitution Adjustment Amounts deposited on the related Distribution Account
Deposit Date.

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

            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, or
the States of California or Texas or the city in which the Corporate Trust
Office of the Trustee is located are authorized or obligated by law or
executive order to be closed.

            Ceiling Rate: With respect to the Class of Covered Certificates,
the applicable percentage set forth below:

            -------------------------------------------
                Class of Certificates        Ceiling
                                               Rate
            -------------------------------------------
            Class A-23                         8.90%
            -------------------------------------------


            Certificate:   Any one of the Certificates executed by the Trustee
in substantially the forms attached hereto as exhibits.

            Certificate Account: The separate Eligible Account or Accounts
created and maintained by the Master Servicer pursuant to Section 3.05 with a
depository institution, initially Countrywide Bank, N.A., in the name of the
Master Servicer for the benefit of the Trustee on behalf of Certificateholders
and designated "Countrywide Home Loans Servicing LP, in trust for the
registered holders of CHL Mortgage Pass-Through Trust 2007-3, Mortgage
Pass-Through Certificates, Series 2007-3."


                                     I-5
<PAGE>


            Certificate Balance: With respect to any Certificate (other than a
Notional Amount Certificate) at any date, the maximum dollar amount of
principal to which the Holder thereof is then entitled hereunder, such amount
being equal to the Denomination thereof (A) plus any increase in the
Certificate Balance of such Certificate pursuant to Section 4.02 due to the
receipt of Subsequent Recoveries, (B) minus the sum of (i) all distributions
of principal previously made with respect thereto and (ii) all Realized Losses
allocated thereto and, in the case of any Subordinated Certificates, all other
reductions in Certificate Balance previously allocated thereto pursuant to
Section 4.04 and (C) in the case of any Class of Accrual Certificates,
increased by the Accrual Amount added to the Class Certificate Balance of such
Class prior to such date. The Notional Amount Certificates have no Certificate
Balances.

            Certificate Owner: With respect to a Book-Entry Certificate, the
Person who is the beneficial owner of such Book-Entry Certificate. For the
purposes of this Agreement, in order for a Certificate Owner to enforce any of
its rights hereunder, it shall first have to provide evidence of its
beneficial ownership interest in a Certificate that is reasonably satisfactory
to the Trustee, the Depositor, and/or the Master Servicer, as applicable.

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

            Certificateholder or Holder: The person in whose name a
Certificate is registered in the Certificate Register, except that, solely for
the purpose of giving any consent pursuant to this Agreement, any Certificate
registered in the name of the Depositor or any affiliate of the Depositor
shall be deemed not to be Outstanding and the Percentage Interest evidenced
thereby shall not be taken into account in determining whether the requisite
amount of Percentage Interests necessary to effect such consent has been
obtained; provided, however, that if any such Person (including the Depositor)
owns 100% of the Percentage Interests evidenced by a Class of Certificates,
such Certificates shall be deemed to be Outstanding for purposes of any
provision hereof (other than the second sentence of Section 10.01 hereof) that
requires the consent of the Holders of Certificates of a particular Class as a
condition to the taking of any action hereunder. The Trustee is entitled to
rely conclusively on a certification of the Depositor or any affiliate of the
Depositor in determining which Certificates are registered in the name of an
affiliate of the Depositor.

            Certification Party:   As defined in Section 11.05.

             Certifying Person:   As defined in Section 11.05.

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

            Class A-12 Priority Amount: With respect to any Distribution Date,
an amount equal to the sum of (i) the product of (A) the Scheduled Principal
Distribution Amount, (B) the Class A-12 Shift Percentage and (C) the Priority
Percentage and (ii) the product of (A) the Unscheduled Principal Distribution
Amount, (B) the Shift Percentage and (C) the Class A-12 Priority Percentage.

            Class A-12 Priority Percentage: As to any Distribution Date, the
percentage equivalent of a fraction, the numerator of which is the Class
Certificate Balance of the Class A-12 Certificates immediately prior to such
Distribution Date, and the denominator of which is the aggregate Class
Certificate Balance of all Classes of all Classes of Senior Certificates and
Subordinated Certificates (other than the Class PO Certificates) immediately
prior to such Distribution Date.

            Class A-2 and Class A-22 Priority Amount: With respect to any
Distribution Date, an amount equal to the sum of (i) the product of (A) the
Scheduled Principal Distribution Amount, (B) the


                                      I-6
<PAGE>


Shift Percentage and (C) the Class A-2 and Class A-22 Priority Percentage and
(ii) the product of (A) the Unscheduled Principal Distribution Amount, (B) the
Shift Percentage and (C) the Class A-2 and Class A-22 Priority Percentage.

             Class A-2 and Class A-22 Priority Percentage: As to any
Distribution Date, the percentage equivalent of a fraction, the numerator of
which is the aggregate Class Certificate Balance of the Class A-2 and Class
A-22 Certificates immediately prior to such Distribution Date, and the
denominator of which is the aggregate Class Certificate Balance of all Classes
of Senior Certificates and Subordinated Certificates (other than the Class PO
Certificates) immediately prior to such Distribution Date.

             Class A-24 Accretion Direction Rule: On each Distribution Date up
to and including the Class A-23 Accrual Termination Date, the Accrual Amount
for the Class A-24 Certificates will be distributed as principal,
sequentially, to the Class A-23 and Class A-24 Certificates, in that order,
until their respective Class Certificate Balances are reduced to zero.

            Class A-24 Accrual Termination Date: The earlier of the Senior
Credit Support Depletion Date and the Distribution Date on which the Class
Certificate Balance of the Class A-23 Certificates is reduced to zero.

            Class A-25 Accretion Direction Rule: On each Distribution Date up
to and including the Class A-25 Accrual Termination Date, the Accrual Amount
for the Class A-25 Certificates will be distributed as principal,
sequentially, to the Class A-23, Class A-24 and Class A-25 Certificates, in
that order, until their respective Class Certificate Balances are reduced to
zero.

            Class A-25 Accrual Termination Date: The earlier of the Senior
Credit Support Depletion Date and the Distribution Date on which the aggregate
Class Certificate Balance of the Class A-23 and Class A-24 Certificates is
reduced to zero.

            Class A-35 Accretion Direction Rule: On each Distribution Date up
to and including the Class A-35 Accrual Termination Date, the Accrual Amount
for the Class A-35 Certificates will be distributed as principal, first,
concurrently, to the Class A-40 and Class A-43 Certificates, pro rata, until
their respective Class Certificate Balances are reduced to zero, and then,
sequentially, to the Class A-36 and Class A-35 Certificates, in that order,
until their respective Class Certificate Balances are reduced to zero.

            Class A-35 Accrual Termination Date: The earlier of the Senior
Credit Support Depletion Date and the Distribution Date on which the aggregate
Class Certificate Balance of the Class A-36, Class A-40 and Class A-43
Certificates is reduced to zero.

            Class A-36 Accretion Direction Rule: On each Distribution Date up
to and including the Class A-36 Accrual Termination Date, the Accrual Amount
for the Class A-36 Certificates will be distributed as principal, first,
concurrently, to the Class A-40 and Class A-43 Certificates, pro rata, until
their respective Class Certificate Balances are reduced to zero, and then to
the Class A-36 Certificates, until its Class Certificate Balance is reduced to
zero.

            Class A-36 Accrual Termination Date: The earlier of the Senior
Credit Support Depletion Date and the Distribution Date on which the aggregate
Class Certificate Balance of the Class A-40 and Class A-43 Certificates is
reduced to zero.


                                     I-7
<PAGE>


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

            Class Interest Shortfall: As to any Distribution Date and Class,
the amount by which the amount described in clause (i) of the definition of
Class Optimal Interest Distribution Amount for such Class exceeds the amount
of interest actually distributed on such Class on such Distribution Date
pursuant to such clause (i).

            Class Optimal Interest Distribution Amount: With respect to any
Distribution Date and interest bearing Class or, with respect to any interest
bearing Component, the sum of (i) one month's interest accrued during the
related Interest Accrual Period at the Pass-Through Rate for such Class on the
related Class Certificate Balance, Component Balance, Notional Amount or
Component Notional Amount, as applicable, immediately prior to such
Distribution Date subject to reduction as provided in Section 4.02(d) and (ii)
any Class Unpaid Interest Amounts for such Class or Component. Interest on any
Class of Certificates shall be calculated on the basis of a 360-day year
consisting of twelve 30-day months.

            Class PO Deferred Amount: As to any Distribution Date, the
aggregate of the applicable PO Percentage of each Realized Loss to be
allocated to the Class PO Certificates on such Distribution Date on or prior
to the Senior Credit Support Depletion Date or previously allocated to the
Class PO Certificates and not yet paid to the Holders of the Class PO
Certificates.

            Class Subordination Percentage: With respect to any Distribution
Date and each Class of Subordinated Certificates, the quotient (expressed as a
percentage) of (a) the Class Certificate Balance of such Class of Subordinated
Certificates immediately prior to such Distribution Date divided by (b) the
aggregate of the Class Certificate Balances immediately prior to such
Distribution Date of all Classes of Certificates.

            Class Unpaid Interest Amounts: As to any Distribution Date and
Class of interest bearing Certificates, the amount by which the aggregate
Class Interest Shortfalls for such Class on prior Distribution Dates exceeds
the amount distributed on such Class on prior Distribution Dates pursuant to
clause (ii) of the definition of Class Optimal Interest Distribution Amount.

            Closing Date:   February 27, 2007.

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

            COFI:   The Monthly Weighted Average Cost of Funds Index for the
Eleventh District Savings Institutions published by the Federal Home Loan
Bank of San Francisco.

            COFI Certificates:   As specified in the Preliminary Statement.

            Combined Certificates:   As specified in the Preliminary Statement.

            Combined Certificates Payment Rule:   Not applicable.

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


                                     I-8
<PAGE>


            Compensating Interest: As to any Distribution Date, an amount
equal to the product of one-twelfth of 0.125% and the aggregate Stated
Principal Balance of the Mortgage Loans as of the Due Date in the prior
calendar month.

            Component:   As specified in the Preliminary Statement.

            Component Balance: With respect to any Component and any
Distribution Date, the Initial Component Balance thereof on the Closing Date,
(A) plus any increase in the Component Balance of such Component pursuant to
Section 4.02 due to the receipt of Subsequent Recoveries, (B) minus the sum of
all amounts applied in reduction of the principal balance of such Component
and Realized Losses allocated thereto on previous Distribution Dates.

            Component Certificates:   As specified in the Preliminary
Statement.

            Component Notional Amount:   Not applicable.

            Confirmation: With respect to the Class A-23 Certificates, the
confirmation (reference 2318976/2318977), dated December 26, 2007, evidencing
a transaction between the Trustee, on behalf of the Supplemental Interest
Trust, and the Corridor Contract Counterparty.

            Coop Shares: Shares issued by a Cooperative Corporation.

            Cooperative Corporation: The entity that holds title (fee or an
acceptable leasehold estate) to the real property and improvements
constituting the Cooperative Property and which governs the Cooperative
Property, which Cooperative Corporation must qualify as a Cooperative Housing
Corporation under Section 216 of the Code.

            Cooperative Loan: Any Mortgage Loan secured by Coop Shares and a
Proprietary Lease.

            Cooperative Property: The real property and improvements owned by
the Cooperative Corporation, including the allocation of individual dwelling
units to the holders of the Coop Shares of the Cooperative Corporation.

            Cooperative Unit: A single family dwelling located in a
Cooperative Property.

            Corporate Trust Office: The designated office of the Trustee in
the State of New York at which at any particular time its corporate trust
business with respect to this Agreement shall be administered, which office at
the date of the execution of this Agreement is located at 101 Barclay Street,
4W, New York, New York 10286 (Attn: Mortgage-Backed Securities Group, CWMBS,
Inc. Series 2007-3), facsimile no. (212) 815-3986, and which is the address to
which notices to and correspondence with the Trustee should be directed.

            Corridor Contract: With respect to each Class of Covered
Certificates, the transaction evidenced by the related Confirmation, a form of
which is attached hereto as Exhibit R.

            Corridor Contract Counterparty:   BNP Paribas.

            Corridor Contract Reserve Fund: The separate fund created and
initially maintained by the Supplemental Interest Trustee pursuant to Section
3.05(g) in the name of the Supplemental Interest Trustee for the benefit of
the Holders of the Covered Certificates and designated "The Bank of New York
in trust for registered holders of CWMBS, Inc., CHL Mortgage Pass-Through
Trust 2007-3, Mortgage


                                     I-9
<PAGE>


Pass-Through Certificates, Series 2007-3." Funds in the Corridor Contract
Reserve Fund shall be held in trust for the Holders of the Covered
Certificates for the uses and purposes set forth in this Agreement. For all
federal income tax purposes, the Corridor Contract Reserve Fund will be
beneficially owned by BNP Paribas Securities Corp.

            Corridor Contract Scheduled Termination Date:   The Distribution
Date in August 2011.

            Countrywide:   Countrywide Home Loans, Inc., a New York
corporation, and its successors and assigns, in its capacity as the seller of
the Countrywide Mortgage Loans to the Depositor.

            Countrywide Mortgage Loans:   The Mortgage Loans identified as
such on the Mortgage Loan Schedule for which Countrywide is the applicable
Seller.

            Covered Certificates:   The Class A-23 Certificates.

            Cut-off Date:   In the case of any Mortgage Loan, the later of (i)
the date of origination of such Mortgage Loan and (ii) February 1, 2007.

            Cut-off Date Pool Principal Balance:   $1,146,983,295.63.

            Cut-off Date Principal Balance:   As to any Mortgage Loan, the
Stated Principal Balance thereof as of the close of business on the Cut-off
Date.

            Debt Service Reduction: With respect to any Mortgage Loan, a
reduction by a court of competent jurisdiction in a proceeding under the
Bankruptcy Code in the Scheduled Payment for such Mortgage Loan which became
final and non-appealable, except such a reduction resulting from a Deficient
Valuation or any reduction that results in a permanent forgiveness of
principal.

            Defective Mortgage Loan: Any Mortgage Loan which is required to be
repurchased pursuant to Section 2.02 or 2.03.

            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 Certificate evidenced by a Physical
Certificate and any Certificate issued in lieu of a Book-Entry Certificate
pursuant to Section 5.02(e).

            Delay Certificates: As specified in the Preliminary Statement.

            Delay Delivery Certification:   As defined in Section 2.02(a)
hereof.

            Delay Delivery Mortgage Loans: The Mortgage Loans for which all or
a portion of a related Mortgage File is not delivered to the Trustee on the
Closing Date. The number of Delay Delivery Mortgage Loans shall not exceed 50%
of the aggregate number of Mortgage Loans as of the Closing Date. To the
extent that Countrywide Home Loans Servicing LP shall be in possession of any
Mortgage Files with respect to any Delay Delivery Mortgage Loan, until
delivery of such Mortgage File to the


                                     I-10
<PAGE>


Trustee as provided in Section 2.01, Countrywide Home Loans Servicing LP shall
hold such files as Master Servicer hereunder, as agent and in trust for the
Trustee.

            Deleted Mortgage Loan:   As defined in Section 2.03(c) hereof.

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

            Depositable Certificates:   As specified in the Preliminary
Statement.

            Depositor:   CWMBS, 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.

            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: As to any Distribution Date, the 22nd day of
each month or if such 22nd day is not a Business Day the next preceding
Business Day; provided, however, that if such 22nd day or such Business Day,
whichever is applicable, is less than two Business Days prior to the related
Distribution Date, the Determination Date shall be the first Business Day
which is two Business Days preceding such Distribution Date.

            Discount Mortgage Loan: Any Mortgage Loan with an Adjusted Net
Mortgage Rate that is less than the Required Coupon.

            Distribution Account: The separate Eligible Account created and
maintained by the Trustee pursuant to Section 3.05 in the name of the Trustee
for the benefit of the Certificateholders and designated "The Bank of New York
in trust for registered holders of CHL Mortgage Pass-Through Trust 2007-3,
Mortgage Pass-Through Certificates, Series 2007-3." Funds in the Distribution
Account shall be held in trust for the Certificateholders for the uses and
purposes set forth in this Agreement.

            Distribution Account Deposit Date: As to any Distribution Date,
12:30 p.m. Pacific time on the Business Day immediately preceding such
Distribution Date.

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

            Due Date: With respect to any Distribution Date, the first day of
the month in which that Distribution Date occurs.

            EDGAR:   The Commission's Electronic Data Gathering, Analysis and
Retrieval system.

            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,


                                     I-11
<PAGE>


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 the highest short-term ratings of Moody's or Fitch and one of the two
highest short-term ratings of S&P, if S&P is a Rating Agency, at the time any
amounts are held on deposit therein, 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 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 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 Trustee.

            Eligible Repurchase Month:   As defined in Section 3.11 hereof.

            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 of an
Underwriter's Exemption.

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

            ES Trust: The separate trust created under this Agreement pursuant
to Section 5.07(a).

            ES Trust Certificate: Any Class of Certificates issued by the ES
Trust and representing beneficial ownership of one or more uncertificated
Master REMIC Interests held by such ES Trust.

            Escrow Account: The Eligible Account or Accounts established and
maintained pursuant to Section 3.06(a) hereof.

            Event of Default:   As defined in Section 7.01 hereof.

            Excess Proceeds: With respect to any Liquidated Mortgage Loan, the
amount, if any, by which the sum of any Liquidation Proceeds received with
respect to such Mortgage Loan during the calendar month in which such Mortgage
Loan became a Liquidated Mortgage Loan plus any Subsequent Recoveries received
with respect to such Mortgage Loan, net of any amounts previously reimbursed
to the Master Servicer as Nonrecoverable Advance(s) with respect to such
Mortgage Loan pursuant to Section 3.08(a)(iii), exceeds (i) the unpaid
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, and
the rules and regulations promulgated thereunder.

            Exchange Act Reports: Any reports on Form 10-D, Form 8-K and Form
10-K required to be filed by the Depositor with respect to the Trust Fund
under the Exchange Act.


                                     I-12
<PAGE>


            Exchange Fee:   As defined in Section 5.07(e).

             Exchangeable Certificates:   As specified in the Preliminary
Statement.

            Exchangeable Certificates Distribution Account: The separate
Eligible Account created and maintained by the Trustee on behalf of the ES
Trust pursuant to Section 5.07(a) in the name of the Trustee for the benefit
of the Holders of the Exchangeable Certificates and designated "The Bank of
New York in trust for registered Holders of CHL Mortgage Pass-Through
Certificates, Series 2007-3." Funds in the Exchangeable Certificates
Distribution Account shall be held in trust for the Certificateholders for the
uses and purposes set forth in this Agreement.

            Expense Rate:   As to each Mortgage Loan, the sum of the Master
Servicing Fee Rate and the Trustee Fee Rate.

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

            FHLMC: The Federal Home Loan Mortgage Corporation, 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.

            Final Certification:   As defined in Section 2.02(a) hereof.

            FIRREA:   The Financial Institutions Reform, Recovery, and
Enforcement Act of 1989.

            Fitch:   Fitch, Inc., or any successor thereto.   If Fitch is
designated as a Rating Agency in the Preliminary Statement, for purposes of
Section 10.05(b) the address for notices to Fitch shall be Fitch, Inc., One
State Street Plaza, New York, New York   10004, Attention: Residential
Mortgage Surveillance Group, or such other address as Fitch may hereafter
furnish to the Depositor and the Master Servicer.

            FNMA: The Federal National Mortgage Association, a federally
chartered and privately owned corporation organized and existing under the
Federal National Mortgage Association Charter Act, or any successor thereto.

            Form 10-D Disclosure Item: With respect to any Person, any
material litigation or governmental proceedings pending (a) against such
Person, or (b) against any of the Trust Fund, the Depositor, the Trustee, the
co-trustee, the Master Servicer or any Subservicer if such Person has actual
knowledge thereof.

            Form 10-K Disclosure Item: With respect to any Person, (a) any
Form 10-D Disclosure Item and (b) any affiliations or relationships between
such Person and any Item 1119 Party.

            Grantor Trust: A trust described in Section 671 of the Code, the
items of income, deductions and credits of which must be included in computing
the taxable income and credits of the person treated as the owner of such
trust (either the grantor or other person designated under the Code).

            Index: With respect to any Interest Accrual Period for the COFI
Certificates, if any, the then-applicable index used by the Trustee pursuant
to Section 4.07 to determine the applicable Pass-Through Rate for such
Interest Accrual Period for the COFI Certificates.


                                     I-13
<PAGE>


            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:   As defined in Section 2.02(a) hereof.

            Initial Component Balance:   As specified in the Preliminary
Statement.

            Initial LIBOR Rate: 5.32%.

            Insurance Policy: With respect to any Mortgage Loan included in
the Trust Fund, any 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
Insurance Policy, in each case other than any amount included in such
Insurance Proceeds in respect of Insured Expenses.

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

            Interest Accrual Period: With respect to each Class of Delay
Certificates, its corresponding Lower Tier REMIC Regular Interest and any
Distribution Date, the calendar month prior to the month of such Distribution
Date. With respect to any Class of Non-Delay Certificates, its corresponding
Lower Tier REMIC Regular Interest and any Distribution Date, the one month
period commencing on the 25th day of the month preceding the month in which
such Distribution Date occurs and ending on the 24th day of the month in which
such Distribution Date occurs. Interest on any Class of Certificates shall be
calculated on the basis of a 360-day year consisting of twelve 30-day months.

            Interest Determination Date: With respect to (a) any Interest
Accrual Period for any LIBOR Certificates and (b) any Interest Accrual Period
for the COFI Certificates for which the applicable Index is LIBOR, the second
Business Day prior to the first day of such Interest Accrual Period.

            Interest Distribution Amount:   Not applicable.

            Item 1119 Party: The Depositor, any Seller, the Master Servicer,
the Trustee, any Subservicer, any originator identified in the Prospectus
Supplement, the Corridor Contract Counterparty and any other material
transaction party, as identified in Exhibit X hereto, as updated pursuant to
Section 11.04.

            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.

            Lender PMI Mortgage Loan: Certain Mortgage Loans as to which the
lender (rather than the borrower) acquires the Primary Insurance Policy and
charges the related borrower an interest premium.

            LIBOR: The London interbank offered rate for one-month United
States dollar deposits calculated in the manner described in Section 4.08.

            LIBOR Certificates: As specified in the Preliminary Statement.


                                     I-14
<PAGE>


            Limited Exchange Act Reporting Obligations: The obligations of the
Master Servicer under Section 3.16(b), Section 6.02 and Section 6.04 with
respect to notice and information to be provided to the Depositor and Article
XI (except Section 11.07(a)(1) and (2)).

            Liquidated Mortgage Loan: With respect to any Distribution Date, 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 Master Servicer has determined (in accordance with 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.

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

            Lower Tier REMIC: As specified in the Preliminary Statement.

            Lower Tier REMIC Interest: As specified in the Preliminary
Statement.

            Lower Tier REMIC Regular Interest: As specified in the Preliminary
Statement.

            LTR-A-R Interest: As specified in the Preliminary Statement.

            Maintenance: With respect to any Cooperative Unit, the rent paid
by the Mortgagor to the Cooperative Corporation pursuant to the Proprietary
Lease.

            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 described in the Preliminary Statement.

            Master Servicer: Countrywide Home Loans Servicing LP, a Texas
limited partnership, and its successors and assigns, in its capacity as master
servicer hereunder.

            Master Servicer Advance Date: As to any Distribution Date, 12:30
p.m. Pacific time on the Business Day immediately preceding such Distribution
Date.

            Master 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 Master
Servicing Fee Rate multiplied by the Stated Principal Balance of such Mortgage
Loan as of the


                                      I-15
<PAGE>


Due Date in the month preceding the month of such Distribution Date, subject
to reduction as provided in Section 3.14.

            Master Servicing Fee Rate: With respect to each Mortgage Loan,
0.175% per annum.

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

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

            MERS (R) System: The system of recording transfers of mortgages
electronically maintained by MERS.

            MIN:   The Mortgage Identification Number for any MERS Mortgage
Loan.

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

            Monthly Statement:   The statement delivered to the
Certificateholders pursuant to Section 4.06.

            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 10.05(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 Pass-Through Monitoring, or such other
address as Moody's may hereafter furnish to the Depositor or the Master
Servicer.

            Mortgage: The mortgage, deed of trust or other instrument creating
a first 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 Trustee to be added to the Mortgage File pursuant to this
Agreement.

            Mortgage Loans: Such of the mortgage loans as from time to time
are transferred and assigned to the Trustee pursuant to the provisions hereof
and that are held as a part of the Trust Fund (including any REO Property),
the mortgage loans so held being identified in the Mortgage Loan Schedule,
notwithstanding foreclosure or other acquisition of title of the related
Mortgaged Property.

            Mortgage Loan Schedule: The list of Mortgage Loans (as from time
to time amended by the Master Servicer to reflect the addition of Substitute
Mortgage Loans and the deletion of Deleted Mortgage Loans pursuant to the
provisions of this Agreement) transferred to the Trustee as part of the Trust
Fund and from time to time subject to this Agreement, attached hereto as
Schedule I, setting forth the following information with respect to each
Mortgage Loan:

    (i)      the loan number;

    (ii)     the Mortgagor's name and the street address of the Mortgaged
            Property, including the zip code;


                                     I-16
<PAGE>


    (iii)    the maturity date;

    (iv)     the original principal balance;

    (v)      the Cut-off Date Principal Balance;

    (vi)     the first payment date of the Mortgage Loan;

    (vii)    the Scheduled Payment in effect as of the Cut-off Date;

    (viii)   the Loan-to-Value Ratio at origination;

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

    (x)      a code indicating whether the residential dwelling is either
            (a) a detached single family dwelling (b) a dwelling in a de
            minimis PUD, (c) a condominium unit or PUD (other than a de
            minimis PUD), (d) a two- to four-unit residential property or
            (e) a Cooperative Unit;

    (xi)     the Mortgage Rate;

    (xii)    a code indicating whether the Mortgage Loan is a Countrywide
             Mortgage Loan, a Park Granada Mortgage Loan, a Park Monaco
            Mortgage Loan or a Park Sienna Mortgage Loan;

    (xiii)   a code indicating whether the Mortgage Loan is a Lender PMI
            Mortgage Loan and, in the case of any Lender PMI Mortgage
            Loan, a percentage representing the amount of the related
            interest premium charged to the borrower;

    (xiv)    the purpose for the Mortgage Loan;

    (xv)     the type of documentation program pursuant to which the
             Mortgage Loan was originated; and

    (xvi)    a code indicating whether the Mortgage Loan is a MERS Mortgage
            Loan.

            Such schedule shall also set forth the total of the amounts
described under (iv) and (v) above for all of the Mortgage Loans.

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

            Mortgage Rate: The annual rate of interest borne by a Mortgage
Note from time to time, net of any interest premium charged by the mortgagee
to obtain or maintain any Primary Insurance Policy.

            Mortgaged Property: The underlying property securing a Mortgage
Loan, which, with respect to a Cooperative Loan, is the related Coop Shares
and Proprietary Lease.

            Mortgagor:   The obligor(s) on a Mortgage Note.

            MTR-A-R Interest:   As specified in the Preliminary Statement.


                                     I-17
<PAGE>


            National Cost of Funds Index:   The National Monthly Median Cost
of Funds Ratio to SAIF-Insured Institutions published by the Office of Thrift
Supervision.

            Net Prepayment Interest Shortfalls: As to any Distribution Date,
the amount by which the aggregate of the Prepayment Interest Shortfalls for
that Distribution Date exceeds the Compensating Interest for that Distribution
Date.

            Non-Delay Certificates:   As specified in the Preliminary
Statement.

            Non-Discount Mortgage Loan: Any Mortgage Loan with an Adjusted Net
Mortgage Rate that is greater than or equal to the Required Coupon.

            Non-PO Formula Principal Amount: As to any Distribution Date, the
sum of (i) the sum of the applicable Non-PO Percentage of (a) the principal
portion of each Scheduled Payment (without giving effect to any reductions
thereof caused by any Debt Service Reductions or Deficient Valuations) due on
each Mortgage Loan on the related Due Date, (b) the Stated Principal Balance
of each Mortgage Loan that was repurchased by a Seller or purchased by the
Master Servicer pursuant to this Agreement as of such Distribution Date, (c)
the Substitution Adjustment Amount in connection with any Deleted Mortgage
Loan received with respect to such Distribution Date, (d) any Insurance
Proceeds or Liquidation Proceeds allocable to recoveries of principal of
Mortgage Loans that are not yet Liquidated Mortgage Loans received during the
calendar month preceding the month of such Distribution Date, (e) with respect
to each Mortgage Loan that became a Liquidated Mortgage Loan during the
calendar month preceding the month of such Distribution Date, the amount of
the Liquidation Proceeds allocable to principal received during the calendar
month preceding the month of such Distribution Date with respect to such
Mortgage Loan, and (f) all Principal Prepayments received during the related
Prepayment Period and (ii) (A) any Subsequent Recoveries received during the
calendar month preceding the month of such Distribution Date, or (B) with
respect to Subsequent Recoveries attributable to a Discount Mortgage Loan
which incurred a Realized Loss after the Senior Credit Support Depletion Date,
the Non-PO Percentage of any such Subsequent Recoveries received during the
calendar month preceding the month of such Distribution Date.

            Non-PO Percentage: As to any Discount Mortgage Loan, a fraction
(expressed as a percentage) the numerator of which is the Adjusted Net
Mortgage Rate of such Discount Mortgage Loan and the denominator of which is
the Required Coupon. As to any Non-Discount Mortgage Loan, 100%.

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

            Notice of Final Distribution: The notice to be provided pursuant
to Section 9.02 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 any Distribution Date and

                  o      the Class A-6 Certificates, the Class Certificate
                         Balance of the Class A-13 Certificates immediately
                        prior to such Distribution Date;


                                     I-18
<PAGE>


                  o      the Class A-9 Certificates, the product of (i) the
                         Class Certificate Balance of the Class A-8
                        Certificates immediately prior to such Distribution
                        Date and (ii) a fraction, the numerator of which is
                        0.50 and the denominator of which is 6.00;

                  o      the Class A-20 Certificates, the product of (i) the
                        Class Certificate Balance of the Class A-19
                        Certificates immediately prior to such Distribution
                        Date and (ii) a fraction, the numerator of which is
                        0.25 and the denominator of which is 6.00;

                  o      the Class A-28 Certificates, the product of (i) the
                        Class Certificate Balance of the Class A-27
                        Certificates immediately prior to such Distribution
                        Date and (ii) a fraction, the numerator of which is
                        0.25 and the denominator of which is 6.00;

                  o      the Class A-31 Certificates, the product of (i) the
                        Class Certificate Balance of the Class A-30
                        Certificates immediately prior to such Distribution
                        Date and (ii) a fraction, the numerator of which is
                        0.25 and the denominator of which is 6.00;

                  o      the Class A-39 Certificates, the product of (i) the
                        Class Certificate Balance of the Class A-38
                        Certificates immediately prior to such Distribution
                        Date and (ii) a fraction, the numerator of which is
                        0.25 and the denominator of which is 6.00;

                  o      the Class A-42 Certificates, the Class Certificate
                        Balance of the Class A-40 Certificates immediately
                        prior to such Distribution Date; and

                  o      the Class X Certificates, an amount equal to the
                        aggregate of the Stated Principal Balances of the
                        Non-Discount Mortgage Loans as of the Due Date in the
                        preceding calendar month (after giving effect to
                        Principal Prepayments received in the Prepayment
                        Period related to such Due Date).

            Notional Amount Certificates:   As specified in the Preliminary
Statement.

            Offered Certificates:   As specified in the Preliminary Statement.

            Officer's Certificate: A certificate (i) in the case of the
Depositor, 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,
(ii) in the case of the Master Servicer, signed by the President, an Executive
Vice President, a Vice President, an Assistant Vice President, the Treasurer,
or one of the Assistant Treasurers or Assistant Secretaries of Countrywide GP,
Inc., its general partner, (iii) if provided for in this Agreement, signed by
a Servicing Officer, as the case may be, and delivered to the Depositor and
the Trustee, as the case may be, as required by this Agreement or (iv) in the
case of any other Person, signed by an authorized officer of such Person.

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


                                     I-19
<PAGE>


            Optional Termination: The termination of the trust created
hereunder in connection with the purchase of the Mortgage Loans pursuant to
Section 9.01(a) hereof.

            Original Applicable Credit Support Percentage: With respect to
each of the following Classes of Certificates, the corresponding percentage
described below:

            Class M...........5.75%
            Class B-1.........3.15%
            Class B-2.........2.10%
            Class B-3.........1.35%
            Class B-4.........0.80%
            Class B-5.........0.40%

            Original Mortgage Loan:   The mortgage loan refinanced in
connection with the origination of a Refinancing Mortgage Loan.

            Original Subordinate Principal Balance:   The aggregate of the
Class Certificate Balances of the Subordinated Certificates as of the Closing
Date.

            OTS:   The Office of Thrift Supervision.

             Outside Reference Date:   As to any Interest Accrual Period for
the COFI Certificates, the close of business on the tenth day thereof.

            Outstanding:   With respect to the Certificates as of any date of
determination, all Certificates theretofore executed and authenticated under
this Agreement except:

      (i)    Certificates theretofore canceled by the Trustee or delivered to
            the Trustee for cancellation; and

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

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

            Park Granada: Park Granada LLC, a Delaware limited liability
company, and its successors and assigns, in its capacity as the seller of the
Park Granada Mortgage Loans to the Depositor.

            Park Granada Mortgage Loans:   The Mortgage Loans identified as
such on the Mortgage Loan Schedule for which Park Granada is the applicable
Seller.

            Park Monaco:   Park Monaco Inc., a Delaware corporation, and its
successors and assigns, in its capacity as the seller of the Park Monaco
Mortgage Loans to the Depositor.


                                      I-20
<PAGE>


            Park Monaco Mortgage Loans:   The Mortgage Loans identified as
such on the Mortgage Loan Schedule for which Park Monaco is the applicable
Seller.

            Park Sienna: Park Sienna LLC, a Delaware limited liability
company, and its successors and assigns, in its capacity as the seller of the
Park Sienna Mortgage Loans to the Depositor.

            Park Sienna Mortgage Loans:   The Mortgage Loans identified as
such on the Mortgage Loan Schedule for which Park Sienna is the applicable
Seller.

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

            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.

            Performance Certification:   As defined in Section 11.05.

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

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

            (ii)   general obligations of or obligations guaranteed by any
                  state of the United States or the District of Columbia
                  receiving the highest long-term debt rating of each Rating
                  Agency, or such lower rating as will not result in the
                   downgrading or withdrawal of the ratings then assigned to
                  the Certificates by each Rating Agency;

            (iii) commercial or finance company paper which is then receiving
                  the highest commercial or finance company paper rating of
                  each Rating Agency, or such lower rating as will not result
                  in the downgrading or withdrawal of the ratings then
                  assigned to the Certificates by each Rating Agency;

            (iv)   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 (or in the case of the principal depository
                  institution in a holding company system, the commercial
                  paper or long-term unsecured debt obligations of such
                  holding company, but only if Moody's is not a Rating Agency)
                  are then rated 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 rating then assigned to the
                  Certificates by either Rating Agency;


                                     I-21
<PAGE>


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

             (vi)   units of a taxable money-market portfolio having the highest
                  rating assigned by each Rating Agency (except if Fitch is a
                  Rating Agency and has not rated the portfolio, the highest
                  rating assigned by Moody's) 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; and

            (vii) such other relatively risk free investments bearing interest
                  or sold at a discount acceptable to each Rating Agency as
                   will not result in the downgrading or withdrawal of the
                  rating then assigned to the Certificates by either Rating
                  Agency, 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, (iv) rural electric and
telephone cooperatives described in section 1381(a)(2)(C) of the Code, (v) an
"electing large partnership" as defined in Section 775 of the Code, (vi) a
Person that is not a citizen or resident of the United States, a corporation,
partnership, or other entity created or organized in or under the laws of the
United States, any State thereof or the District of Columbia, or an estate or
trust whose income from sources without the United States is includible in
gross income for United States federal income tax purposes regardless of its
connection with the conduct of a trade or business within the United States or
a trust if a court within the United States is able to exercise primary
supervision over the administration of the trust and one or more United States
persons have the authority to control all substantial decisions of the trust
unless such Person has furnished the transferor and the Trustee with a duly
completed Internal Revenue Service Form W-8ECI or any applicable successor
form, 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 the Federal Home Loan Mortgage
Corporation, a majority of its board of directors is not selected by such
government unit.

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

            Physical Certificate:   As specified in the Preliminary Statement.


                                     I-22
<PAGE>


            Plan: An "employee benefit plan" as defined in section 3(3) of
ERISA that is subject to Title I of ERISA, a "plan" as defined in section 4975
of the Code that is subject to section 4975 of the Code, or any Person
investing on behalf of or with plan assets (as defined in 29 CFR ss.2510.3-101
or otherwise under ERISA) of such an employee benefit plan or plan.

            Planned Balance: With respect to any group of Planned Principal
Classes or Components in the aggregate and any Distribution Date appearing in
Schedule V hereto, the Aggregate Planned Balance for such group and
Distribution Date. With respect to any other Planned Principal Class or
Component and any Distribution Date appearing in Schedule V hereto, the
applicable amount appearing opposite such Distribution Date for such Class or
Component.

            Planned Principal Classes:   As specified in the Preliminary
Statement.

            PO Formula Principal Amount: As to any Distribution Date, the sum
of (i) the sum of the applicable PO Percentage of (a) the principal portion of
each Scheduled Payment (without giving effect to any reductions thereof caused
by any Debt Service Reductions or Deficient Valuations) due on each Mortgage
Loan on the related Due Date, (b) the Stated Principal Balance of each
Mortgage Loan that was repurchased by the applicable Seller or purchased by
the Master Servicer pursuant to this Agreement as of such Distribution Date,
(c) the Substitution Adjustment Amount in connection with any Deleted Mortgage
Loan received with respect to such Distribution Date, (d) any Insurance
Proceeds or Liquidation Proceeds allocable to recoveries of principal of
Mortgage Loans that are not yet Liquidated Mortgage Loans received during the
calendar month preceding the month of such Distribution Date, (e) with respect
to each Mortgage Loan that became a Liquidated Mortgage Loan during the
calendar month preceding the month of such Distribution Date, the amount of
Liquidation Proceeds allocable to principal received during the month
preceding the month of such Distribution Date with respect to such Mortgage
Loan, and (f) all Principal Prepayments received during the related Prepayment
Period and (ii) with respect to Subsequent Recoveries attributable to a
Discount Mortgage Loan which incurred a Realized Loss after the Senior Credit
Support Depletion Date, the PO Percentage of any such Subsequent Recoveries
received during the calendar month preceding the month of such Distribution
Date.

            PO Percentage: As to any Discount Mortgage Loan, a fraction
(expressed as a percentage) the numerator of which is the excess of the
Required Coupon over the Adjusted Net Mortgage Rate of such Discount Mortgage
Loan and the denominator of which is such Required Coupon. As to any
Non-Discount Mortgage Loan, 0%.

            Pool Stated Principal Balance: As of any date of determination,
the aggregate of the Stated Principal Balances of the Outstanding Mortgage
Loans.

            Prepayment Interest Excess: As to any Principal Prepayment
received by the Master Servicer from the first day through the fifteenth day
of any calendar month (other than the calendar month in which the Initial
Cut-off Date occurs), all amounts paid by the related Mortgagor in respect of
interest on such Principal Prepayment. All Prepayment Interest Excess shall be
paid to the Master Servicer as additional master servicing compensation.

            Prepayment Interest Shortfall: As to any Distribution Date,
Mortgage Loan and Principal Prepayment received on or after the sixteenth day
of the month preceding the month of such Distribution Date (or, in the case of
the first Distribution Date, on or after February 1, 2007) and on or before
the last day of the month preceding the month of such Distribution Date, the
amount, if any, by which one month's interest at the related Mortgage Rate,
net of the Master Servicing Fee Rate, on such Principal Prepayment exceeds the
amount of interest paid in connection with such Principal Prepayment.


                                     I-23
<PAGE>


            Prepayment Period: As to any Distribution Date and the related Due
Date, the period from the 16th day of the calendar month (or, in the case of
the first Distribution Date, from February 1, 2007) through the 15th day of
the calendar month of such Distribution Date.

            Prepayment Shift Percentage:   Not applicable.

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

            Prime Rate: The prime commercial lending rate of The Bank of New
York, as publicly announced to be in effect from time to time. The Prime Rate
shall be adjusted automatically, without notice, on the effective date of any
change in such prime commercial lending rate. The Prime Rate is not
necessarily The Bank of New York's lowest rate of interest.

            Principal Only Certificates:   As specified in the Preliminary
Statement.

            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. Partial
Principal Prepayments shall be applied by the Master Servicer in accordance
with the terms of the related Mortgage Note.

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

            Private Certificate:   As specified in the Preliminary Statement.

            Pro Rata Share: As to any Distribution Date, the Subordinated
Principal Distribution Amount and any Class of Subordinated Certificates, the
portion of the Subordinated Principal Distribution Amount allocable to such
Class, equal to the product of the Subordinated Principal Distribution Amount
on such Distribution Date and a fraction, the numerator of which is the
related Class Certificate Balance thereof and the denominator of which is the
aggregate of the Class Certificate Balances of the Subordinated Certificates.

            Proprietary Lease: With respect to any Cooperative Unit, a lease
or occupancy agreement between a Cooperative Corporation and a holder of
related Coop Shares.

            Prospectus: The Prospectus dated November 14, 2006, generally
relating to mortgage pass-through certificates to be sold by the Depositor.

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

            PUD:   Planned Unit Development.

            Purchase Price: With respect to any Mortgage Loan required to be
purchased by a Seller pursuant to Section 2.02 or 2.03 hereof or purchased at
the option of the Master Servicer pursuant to Section 3.11, an amount equal to
the sum of (i) 100% of the unpaid principal balance of the Mortgage Loan on
the date of such purchase, (ii) accrued interest thereon at the applicable
Mortgage Rate (or at the applicable Adjusted Mortgage Rate if (x) the
purchaser is the Master Servicer or (y) if the purchaser is Countrywide and
Countrywide is an affiliate of the Master Servicer) from the date through
which interest


                                     I-24
<PAGE>


was last paid by the Mortgagor to the Due Date in the month in which the
Purchase Price is to be distributed to Certificateholders and (iii) costs and
damages incurred by the Trust Fund in connection with a repurchase pursuant to
Section 2.03 hereof that arises out of a violation of any predatory or abusive
lending law with respect to the related Mortgage Loan.

            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 FNMA-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.

            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, identified as a rating agency
under the Underwriter's Exemption, as is designated by the Depositor, notice
of which designation shall be given to the Trustee. References herein to a
given rating category of a Rating Agency shall mean such rating category
without giving effect to any modifiers.

            Realized Loss: With respect to each Liquidated Mortgage Loan, an
amount (not less than zero or more than the Stated Principal Balance of the
Mortgage Loan) as of the date of such liquidation, equal to (i) the Stated
Principal Balance of the Liquidated Mortgage Loan as of the date of such
liquidation, plus (ii) interest at the Adjusted 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 Stated 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 Adjusted 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.

            To the extent the Master Servicer receives Subsequent Recoveries
with respect to any Liquidated Mortgage Loan, the amount of the Realized Loss
with respect to that Mortgage Loan will be reduced by such Subsequent
Recoveries.

            Recognition Agreement: With respect to any Cooperative Loan, an
agreement between the Cooperative Corporation and the originator of such
Mortgage Loan which establishes the rights of such originator in the
Cooperative Property.

            Recombination Group: The Class or Classes of Depositable
Certificates and the related Class or Classes of Exchangeable Certificates
included within any particular "Recombination" specified in Schedule VII.

            Record Date: As to any Distribution Date, the close of business on
the last Business Day of the month preceding the month in which such
Distribution Date occurs.

            Reference Bank:   As defined in Section 4.08(b).


                                     I-25
<PAGE>


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

            Regular Certificates:   As specified in the Preliminary Statement.

            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, 1,531
(Jan. 7, 2005)) or by the staff of the Commission, or as may be provided by
the Commission or its staff from time to time.

            Relief Act:   The Servicemembers Civil Relief Act.

            Relief Act Reductions: 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 or any similar state laws, 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 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 the 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 or deed-in-lieu of foreclosure in connection with a
defaulted Mortgage Loan.

            Reportable Event: Any event required to be reported on Form 8-K,
and in any event, the following:

            (a) entry into a definitive agreement related to the Trust Fund,
the Certificates or the Mortgage Loans, or an amendment to a Transaction
Document, even if the Depositor is not a party to such agreement (e.g., a
servicing agreement with a servicer contemplated by Item 1108(a)(3) of
Regulation AB);

            (b) termination of a Transaction Document (other than by
expiration of the agreement on its stated termination date or as a result of
all parties completing their obligations under such agreement), even if the
Depositor is not a party to such agreement (e.g., a servicing agreement with a
servicer contemplated by Item 1108(a)(3) of Regulation AB);

            (c) with respect to the Master Servicer only, if the Master
Servicer becomes aware of any bankruptcy or receivership with respect to
Countrywide, the Depositor, the Master Servicer, any Subservicer, the Trustee,
any enhancement or support provider contemplated by Items 1114(b) or 1115 of
Regulation AB, or any other material party contemplated by Item 1101(d)(1) of
Regulation AB;


                                     I-26
<PAGE>


            (d) with respect to the Trustee, the Master Servicer and the
Depositor only, the occurrence of an early amortization, performance trigger
or other event, including an Event of Default under this Agreement;

            (e) the resignation, removal, replacement, substitution of the
Master Servicer, any Subservicer or the Trustee;

            (f) with respect to the Master Servicer only, if the Master
Servicer becomes aware that (i) any material enhancement or support specified
in Item 1114(a)(1) through (3) of Regulation AB or Item 1115 of Regulation AB
that was previously applicable regarding one or more Classes of the
Certificates has terminated other than by expiration of the contract on its
stated termination date or as a result of all parties completing their
obligations under such agreement; (ii) any material enhancement specified in
Item 1114(a)(1) through (3) of Regulation AB or Item 1115 of Regulation AB has
been added with respect to one or more Classes of the Certificates; or (iii)
any existing material enhancement or support specified in Item 1114(a)(1)
through (3) of Regulation AB or Item 1115 of Regulation AB with respect to one
or more Classes of the Certificates has been materially amended or modified;
and

            (g) with respect to the Trustee, the Master Servicer and the
Depositor only, a required distribution to Holders of the Certificates is not
made as of the required Distribution Date under this Agreement.

            Reporting Subcontractor: With respect to the Master Servicer or
the Trustee, any Subcontractor determined by such Person pursuant to Section
11.08(b) to be "participating in the servicing function" within the meaning of
Item 1122 of Regulation AB. References to a Reporting Subcontractor shall
refer only to the Subcontractor of such Person and shall not refer to
Subcontractors generally.

            Request for Release: The Request for Release submitted by the
Master Servicer to the Trustee, substantially in the form of Exhibits M and N,
as appropriate.

            Required Coupon:   6.00% per annum.

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

            Residual Certificates:   As specified in the Preliminary Statement.

            Responsible Officer: When used with respect to the Trustee, any
Vice President, any Assistant Vice President, the Secretary, any Assistant
Secretary, any Trust Officer or any other officer of the Trustee customarily
performing functions similar to those performed by any of the above designated
officers and also to whom, with respect to a particular matter, such matter is
referred because of such officer's knowledge of and familiarity with the
particular subject.

            Restricted Classes:   As defined in Section 4.02(e).

             Sarbanes-Oxley Certification:   As defined in Section 11.05.

            S&P: Standard & Poor's, a division of The McGraw-Hill Companies,
Inc. If S&P is designated as a Rating Agency in the Preliminary Statement, for
purposes of Section 10.05(b) the address for notices to S&P shall be Standard
& Poor's, 55 Water Street, New York, New York 10041, Attention:


                                     I-27
<PAGE>


Mortgage Surveillance Monitoring, or such other address as S&P may hereafter
furnish to the Depositor and the Master Servicer.

            Schedule:   The Schedule set forth in Schedule V hereto.

            Scheduled Balances: With respect to any Scheduled Principal Class
or Component and any Distribution Date appearing in Schedule V hereto, the
applicable amount appearing opposite such Distribution Date for such Class or
Component.

            Scheduled Classes:   As specified in the Preliminary Statement.

            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.

            Scheduled Principal Distribution Amount: As to any Distribution
Date, an amount equal to the sum of the Non-PO Percentage of all amounts
described in subclauses (a) through (d) of clause (i) of the definition of
Non-PO Formula Principal Amount for such Distribution Date.

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

            Seller:   Countrywide, Park Granada, Park Monaco or Park Sienna,
as applicable.

            Senior Certificates:   As specified in the Preliminary Statement.

            Senior Credit Support Depletion Date:   The date on which the
Class Certificate Balance of each Class of Subordinated Certificates has been
reduced to zero.

            Senior Percentage: As to any Distribution Date, the percentage
equivalent of a fraction, not in excess of 100%, the numerator of which is the
aggregate of the Class Certificate Balances of each Class of Senior
Certificates (other than the Class PO Certificates) immediately prior to such
Distribution Date and the denominator of which is the aggregate of the Class
Certificate Balances of all Classes of Certificates (other than the Class PO
Certificates) immediately prior to such Distribution Date.

            Senior Prepayment Percentage: For any Distribution Date during the
five years beginning on the first Distribution Date, 100%. The Senior
Prepayment Percentage for any Distribution Date occurring on or after the
fifth anniversary of the first Distribution Date will, except as provided
herein, be as follows: for any Distribution Date in the first year thereafter,
the Senior Percentage plus 70% of the Subordinated Percentage for such
Distribution Date; for any Distribution Date in the second year thereafter,
the Senior Percentage plus 60% of the Subordinated Percentage for such
Distribution Date; for any Distribution Date in the third year thereafter, the
Senior Percentage plus 40% of the Subordinated Percentage for such
Distribution Date; for any Distribution Date in the fourth year thereafter,
the Senior Percentage plus 20% of the Subordinated Percentage for such
Distribution Date; and for any Distribution Date thereafter, the Senior
Percentage for such Distribution Date (unless on any Distribution Date the
Senior Percentage exceeds the initial Senior Percentage, in which case the
Senior Prepayment Percentage for such Distribution Date will once again equal
100%). Notwithstanding the foregoing, no decrease in the Senior Prepayment
Percentage will occur unless both of the Senior Step Down Conditions are
satisfied.


                                     I-28
<PAGE>


            Senior Principal Distribution Amount: As to any Distribution Date,
the sum, not less than zero, of (i) the Senior Percentage of the applicable
Non-PO Percentage of all amounts described in subclauses (a) through (d) of
clause (i) of the definition of "Non-PO Formula Principal Amount" for such
Distribution Date, (ii) with respect to each Mortgage Loan that became a
Liquidated Mortgage Loan during the calendar month preceding the month of such
Distribution Date, the lesser of (x) the Senior Percentage of the applicable
Non-PO Percentage of the Stated Principal Balance of such Mortgage Loan and
(y) the Senior Prepayment Percentage of the applicable Non-PO Percentage of
the amount of the Liquidation Proceeds allocable to principal received with
respect to such Mortgage Loan and (iii) the sum of (x) the Senior Prepayment
Percentage of the applicable Non-PO Percentage of the amounts described in
subclause (f) of clause (i) of the definition of "Non-PO Formula Principal
Amount" for such Distribution Date plus (y) the Senior Prepayment Percentage
of any Subsequent Recoveries described in clause (ii) of the definition of
"Non-PO Formula Principal Amount" for such Distribution Date.

            Senior Step Down Conditions: As of the first Distribution Date as
to which any decrease in the Senior Prepayment Percentage applies, (i) the
outstanding principal balance of all Mortgage Loans delinquent 60 days or more
(including Mortgage Loans in foreclosure, REO Property and Mortgage Loans the
mortgagors of which are in bankruptcy) (averaged over the preceding six month
period), as a percentage of the aggregate Class Certificate Balance of the
Subordinated Certificates on such Distribution Date, does not equal or exceed
50% and (ii) cumulative Realized Losses with respect to the Mortgage Loans do
not exceed (a) commencing with the Distribution Date on the fifth anniversary
of the first Distribution Date, 30% of the Original Subordinate Principal
Balance, (b) commencing with the Distribution Date on the sixth anniversary of
the first Distribution Date, 35% of the Original Subordinate Principal
Balance, (c) commencing with the Distribution Date on the seventh anniversary
of the first Distribution Date, 40% of the Original Subordinate Principal
Balance, (d) commencing with the Distribution Date on the eighth anniversary
of the first Distribution Date, 45% of the Original Subordinate Principal
Balance, and (e) commencing with the Distribution Date on the ninth
anniversary of the first Distribution Date, 50% of the Original Subordinate
Principal Balance.

            Servicing Advances: All customary, reasonable and necessary "out
of pocket" costs and expenses incurred in the performance by the Master
Servicer of its servicing obligations, including, but not limited to, the cost
of (i) the preservation, restoration and protection of a Mortgaged Property,
(ii) any expenses reimbursable to the Master Servicer pursuant to Section 3.11
and any enforcement or judicial proceedings, including foreclosures, (iii) the
management and liquidation of any REO Property and (iv) compliance with the
obligations under Section 3.09.

            Servicing Criteria: The "servicing criteria" set forth in Item
1122(d) of Regulation AB.

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

            Shift Percentage: As to any Distribution Date occurring during the
five years beginning on the first Distribution Date, 0%. For any Distribution
Date occurring on or after the fifth anniversary of the first Distribution
Date as follows: for any Distribution Date in the first year thereafter, 30%;
for any Distribution Date in the second year thereafter, 40%; for any
Distribution Date in the third year thereafter, 60%; for any Distribution Date
in the fourth year thereafter, 80%; and for any Distribution Date thereafter,
100%.

            SR-A-R Interest: The sole Class of "residual interest" in the
Subsidiary REMIC.


                                      I-29
<PAGE>


            Startup Day:   The Closing Date.

            Stated Principal Balance: As to any Mortgage Loan and Due Date,
the unpaid principal balance of such Mortgage Loan as of such Due Date, 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) minus the sum of: (i) any previous partial
Principal Prepayments and the payment of principal due on such Due Date,
irrespective of any delinquency in payment by the related Mortgagor, (ii)
Liquidation Proceeds allocable to principal (other than with respect to any
Liquidated Mortgage Loan) received in the prior calendar month and Principal
Prepayments received through the last day of the related Prepayment Period, in
each case with respect to that Mortgage Loan and (iii) any Realized Loss
previously incurred in connection with a Deficient Valuation. The Stated
Principal Balance of any Mortgage Loan that becomes a Liquidated Mortgage Loan
will be zero on each date following the Due Period in which such Mortgage Loan
becomes a Liquidated Mortgage Loan.

            Streamlined Documentation Mortgage Loan: Any Mortgage Loan
originated pursuant to Countrywide's Streamlined Loan Documentation Program
then in effect. For the purposes of this Agreement, a Mortgagor is eligible
for a mortgage pursuant to Countrywide's Streamlined Loan Documentation
Program if that Mortgagor is refinancing an existing mortgage loan that was
originated or acquired by Countrywide where, among other things, the mortgage
loan has not been more than 30 days delinquent in payment during the previous
twelve-month period.

            Strike Rate: With respect to the Covered Certificates, the
applicable percentage set forth below:

            -------------------------------------------
                Class of Certificates       Strike Rate
            -------------------------------------------
            Class A-23                          5.40%
            -------------------------------------------


            Subcontractor: Any vendor, subcontractor or other Person that is
not responsible for the overall servicing (as "servicing" is commonly
understood by participants in the mortgage-backed securities market) 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 Master Servicer or a Subservicer or the Trustee, as the case
may be.

            Subordinated Certificates:   As specified in the Preliminary
Statement.

            Subordinated Percentage:   As to any Distribution Date, 100% minus
the Senior Percentage for such Distribution Date.

            Subordinated Prepayment Percentage:   As to any Distribution Date,
100% minus the Senior Prepayment Percentage for such Distribution Date.

            Subordinated Principal Distribution Amount: With respect to any
Distribution Date, an amount equal to the excess of (A) the sum, not less than
zero, of (i) the Subordinated Percentage of the applicable Non-PO Percentage
of all amounts described in subclauses (a) through (d) of clause (i) of the
definition of Non-PO Formula Principal Amount for such Distribution Date, (ii)
with respect to each Mortgage Loan that became a Liquidated Mortgage Loan
during the calendar month preceding the month of such Distribution Date, the
applicable Non-PO Percentage of the amount of the Liquidation Proceeds
allocated to principal received with respect thereto remaining after
application thereof pursuant to clause (ii) of the definition of Senior
Principal Distribution Amount, up to the Subordinated Percentage of the


                                     I-30
<PAGE>

applicable Non-PO Percentage of the Stated Principal Balance of such Mortgage
Loan, (iii) the Subordinated Prepayment Percentage of the applicable Non-PO
Percentage of all amounts described in subclause (f) of clause (i) of the
definition of Non-PO Formula Principal Amount for such Distribution Date, and
(iv) the Subordinated Prepayment Percentage of any Subsequent Recoveries
described in clause (ii) of the definition of Non-PO Formula Principal Amount
for such Distribution Date, over (B) the amount of any payments in respect of
Class PO Deferred Amounts on the related Distribution Date.

            Subsequent Recoveries: As to any Distribution Date, with respect
to a Liquidated Mortgage Loan that resulted in a Realized Loss in a prior
calendar month, unexpected amounts received by the Master Servicer (net of any
related expenses permitted to be reimbursed pursuant to Section 3.08)
specifically related to such Liquidated Mortgage Loan.

            Subservicer: Any person to whom the Master Servicer has contracted
for the servicing of all or a portion of the Mortgage Loans pursuant to
Section 3.02 hereof.

            Substitute Mortgage Loan: A Mortgage Loan substituted by a Seller
for a Deleted Mortgage Loan which must, on the date of such substitution, as
confirmed in a Request for Release, substantially in the form of Exhibit M,
(i) have a Stated Principal Balance, after deduction of the principal portion
of the Scheduled Payment due in the month of substitution, not in excess of,
and not more than 10% less than the Stated 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) not be a Cooperative Loan
unless the Deleted Mortgage Loan was a Cooperative Loan and (vi) comply with
each representation and warranty set forth in Section 2.03 hereof.

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

            Supplemental Interest Trust: The separate trust created under this
Agreement pursuant to Section 3.05(g).

            Supplemental Interest Trustee: The Bank of New York, a New York
banking corporation, 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 Covered Certificates under this Agreement, and any successor
thereto, and any corporation or national banking association resulting from or
surviving any consolidation or merger to which it or its successors may be a
party and any successor trustee as may from time to time be serving as
successor trustee hereunder.

            Targeted Balance: With respect to any group of Targeted Principal
Classes or Components in the aggregate and any Distribution Date appearing in
Schedule V hereto, the Aggregate Targeted Balance for such group and
Distribution Date. With respect to any other Targeted Principal Class or
Component and any Distribution Date appearing in Schedule V hereto, the
applicable amount appearing opposite such Distribution Date for such Class or
Component.

            Targeted Principal Classes:   As specified in the Preliminary
Statement.

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


                                     I-31
<PAGE>


            Tax Matters Person Certificate:   The Class A-R Certificate with a
Denomination of $0.01.

            Transaction Documents: This Agreement, the Corridor Contract and
any other document or agreement entered into in connection with the Trust
Fund, the Certificates or the Mortgage Loans.

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

            Trust Fund: The corpus of the trust created hereunder consisting
of (i) 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; (ii) the Certificate Account, the
Distribution Account, the Exchangeable Certificates Distribution Account and
all amounts deposited therein pursuant to the applicable provisions of this
Agreement, (iii) property that secured a Mortgage Loan and has been acquired
by foreclosure, deed-in-lieu of foreclosure or otherwise; and (iv) all
proceeds of the conversion, voluntary or involuntary, of any of the foregoing.
For the avoidance of doubt, the ES Trust, the Master REMIC and the Lower Tier
REMIC and the assets held or deemed held thereby shall constitute a part of
the Trust Fund.

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

            Trustee Advance Rate: With respect to any Advance made by the
Trustee pursuant to Section 4.01(b), a per annum rate of interest determined
as of the date of such Advance equal to the Prime Rate in effect on such date
plus 5.00%.

             Trustee Fee: As to any Distribution Date, an amount equal to
one-twelfth of the Trustee Fee Rate multiplied by the Pool Stated Principal
Balance with respect to such Distribution Date.

            Trustee Fee Rate:   With respect to each Mortgage Loan, 0.009% per
annum.

            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.

            Underwriter(s):   As specified in the Preliminary Statement.

            Unscheduled Principal Distribution Amount: As to any Distribution
Date, an amount equal to the sum of (i) with respect to each Mortgage Loan
that became a Liquidated Mortgage Loan during the calendar month preceding the
month of such Distribution Date, the applicable Non-PO Percentage of the
Liquidation Proceeds allocable to the principal received with respect to such
Mortgage Loan, (ii) the applicable Non-PO Percentage of the amount described
in subclause (f) of clause (i) of the definition of "Non-PO Formula Principal
Amount" for such Distribution Date and (iii) any Subsequent Recoveries
described in clause (ii) of the definition of "Non-PO Formula Principal
Amount" for such Distribution Date.

            Voting Rights: The portion of the voting rights of all of the
Certificates which is allocated to any Certificate. As of any date of
determination, (a) 1% of all Voting Rights shall be allocated to each Class of
Senior Certificates with a Notional Amount, if any (such Voting Rights to be
allocated among the holders of Certificates of each such Class in accordance
with their respective Percentage Interests), and (b) the remaining Voting
Rights (or 100% of the Voting Rights if there is no


                                     I-32
<PAGE>


such Class of Senior Certificates) shall be allocated among Holders of the
remaining Classes of Senior and Subordinated Certificates in proportion to the
Certificate Balances of their respective Certificates on such date. Each Class
of Exchangeable Certificates will be allocated a proportionate share of the
Voting Rights allocated to the related Class or Classes of Depositable
Certificates that have been surrendered as provided in Section 5.07(e).

            Yield Supplement Amount: For any Distribution Date and the Covered
Certificates on or prior to the Corridor Contract Termination Date, interest
for the related Interest Accrual Period on the Class Certificate Balance of
that Class of Covered Certificates immediately prior to such Distribution Date
at a rate equal to the excess, if any, of (i) the lesser of LIBOR and the
Ceiling Rate over (ii) the Strike Rate.

            SECTION 1.02. Certain Interpretive Provisions

             All terms defined in this Agreement shall have the defined
meanings when used in any certificate, agreement or other document delivered
pursuant hereto unless otherwise defined therein. For purposes of this
Agreement and all such certificates and other documents, unless the context
otherwise requires: (a) accounting terms not otherwise defined in this
Agreement, and accounting terms partly defined in this Agreement to the extent
not defined, shall have the respective meanings given to them under generally
accepted accounting principles; (b) the words "hereof," "herein" and
"hereunder" and words of similar import refer to this Agreement (or the
certificate, agreement or other document in which they are used) as a whole
and not to any particular provision of this Agreement (or such certificate,
agreement or document); (c) references to any Section, Schedule or Exhibit are
references to Sections, Schedules and Exhibits in or to this Agreement, and
references to any paragraph, subsection, clause or other subdivision within
any Section or definition refer to such paragraph, subsection, clause or other
subdivision of such Section or definition; (d) the term "including" means
"including without limitation"; (e) references to any law or regulation refer
to that law or regulation as amended from time to time and include any
successor law or regulation; (f) references to any agreement refer to that
agreement as amended from time to time; (g) references to any Person include
that Person's permitted successors and assigns; and (h) a Mortgage Loan is "30
days delinquent" if any Scheduled Payment has not been received by the close
of business on the day immediately preceding the Due Date on which the next
Scheduled Payment is due. Similarly for "60 days delinquent," "90 days
delinquent" and so on.


                                     I-33
<PAGE>


                                  ARTICLE II

                         CONVEYANCE OF MORTGAGE LOANS;
                        REPRESENTATIONS AND WARRANTIES

            SECTION 2.01. Conveyance of Mortgage Loans.

            (a) Each Seller, concurrently with the execution and delivery
hereof, hereby sells, transfers, assigns, sets over and otherwise conveys to
the Depositor, without recourse, all its respective right, title and interest
in and to the related Mortgage Loans, including all interest and principal
received or receivable by such Seller, on or with respect to the Mortgage
Loans after the Cut-off Date and all interest and principal payments on the
related Mortgage Loans received prior to the Cut-off Date in respect of
installments of interest and principal due thereafter, but not including
payments of principal and interest due and payable on such Mortgage Loans, on
or before the Cut-off Date. On or prior to the Closing Date, Countrywide shall
deliver to the Depositor or, at the Depositor's direction, to the Trustee or
other designee of the Depositor, the Mortgage File for each Mortgage Loan
listed in the Mortgage Loan Schedule (except that, in the case of the Delay
Delivery Mortgage Loans (which may include Countrywide Mortgage Loans, Park
Granada Mortgage Loans, Park Monaco Mortgage Loans and Park Sienna Mortgage
Loans), such delivery may take place within thirty (30) days following the
Closing Date). Such delivery of the Mortgage Files shall be made against
payment by the Depositor of the purchase price, previously agreed to by the
Sellers and Depositor, for the Mortgage Loans. With respect to any Mortgage
Loan that does not have a first payment date on or before the Due Date in the
month of the first Distribution Date, Countrywide shall deposit into the
Distribution Account on or before the Distribution Account Deposit Date
relating to the first applicable Distribution Date, an amount equal to one
month's interest at the related Adjusted Mortgage Rate on the Cut-off Date
Principal Balance of such Mortgage Loan.

            (b) Immediately upon the conveyance of the Mortgage Loans referred
to in clause (a), the Depositor sells, transfers, assigns, sets over and
otherwise conveys to the Trustee for the benefit of the Certificateholders,
without recourse, all the right, title and interest of the Depositor in and to
the Trust Fund together with the Depositor's right to require each Seller to
cure any breach of a representation or warranty made herein by such Seller, or
to repurchase or substitute for any affected Mortgage Loan in accordance
herewith.

            (c) In connection with the transfer and assignment set forth in
clause (b) above, the Depositor has delivered or caused to be delivered to the
Trustee (or, in the case of the Delay Delivery Mortgage Loans, will deliver or
cause to be delivered to the Trustee within thirty (30) days following the
Closing Date) for the benefit of the Certificateholders the following
documents or instruments with respect to each Mortgage Loan so assigned:

            (i) (A) the original 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

                  (B) with respect to any Lost Mortgage Note, a lost note
            affidavit from Countrywide stating that the original Mortgage Note
            was lost or destroyed, together with a copy of such Mortgage Note;


                                     II-1
<PAGE>


            (ii) except as provided below and for each Mortgage Loan that is
      not a MERS Mortgage Loan, the original recorded Mortgage or a copy of
      such Mortgage, with recording information, certified by Countrywide as
      being a true and complete copy of the Mortgage (or, in the case of a
      Mortgage for which the related Mortgaged Property is located in the
      Commonwealth of Puerto Rico, a true copy of the Mortgage certified as
      such by the applicable notary) and in the case of each MERS Mortgage
      Loan, the original Mortgage, or a copy of such mortgage, with recording
      information, noting the presence of the MIN of the Mortgage Loans and
      either language indicating that the Mortgage Loan is a MOM Loan if the
      Mortgage Loan is a MOM Loan or if the Mortgage Loan was not a MOM Loan
      at origination, the original Mortgage and the assignment thereof to
      MERS, with evidence of recording indicated thereon, or a copy of the
      Mortgage certified by the public recording office in which such Mortgage
      has been recorded;

            (iii) in the case of each Mortgage Loan that is not a MERS
      Mortgage Loan, a duly executed assignment of the Mortgage, or a copy of
      such assignment, with recording information, (which may be included in a
      blanket assignment or assignments), together with, except as provided
      below, all interim recorded assignments of such mortgage or a copy of
      such assignment, with recording information, (each such assignment, when
      duly and validly completed, to be in recordable form and sufficient to
      effect 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; provided, further, that such
      assignment of Mortgage need not be delivered in the case of a Mortgage
      for which the related Mortgaged Property is located in the Commonwealth
      of Puerto Rico;

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

            (v) except as provided below, the original or duplicate original
      lender's title policy or a printout of the electronic equivalent and all
      riders thereto; and

            (vi) in the case of a Cooperative Loan, the originals of the
      following documents or instruments:

                  (A) The Coop Shares, together with a stock power in blank;

                   (B) The executed Security Agreement;

                  (C) The executed Proprietary Lease;

                  (D) The executed Recognition Agreement;

                  (E) The executed UCC-1 financing statement with evidence of
             recording thereon which have been filed in all places required to
            perfect the Seller's interest in the Coop Shares and the
            Proprietary Lease; and

                  (F) The executed UCC-3 financing statements or other
             appropriate UCC financing statements required by state law,
            evidencing a complete and unbroken line from the mortgagee to the
            Trustee with evidence of recording thereon (or in a form suitable
            for recordation).


                                      II-2
<PAGE>


            In addition, in connection with the assignment of any MERS
Mortgage Loan, each Seller agrees that it will cause, at the Trustee's
expense, the MERS(R) System to indicate that the Mortgage Loans sold by such
Seller to the Depositor have been assigned by that Seller to the Trustee in
accordance with this Agreement for the benefit of the Certificateholders by
including (or deleting, in the case of Mortgage Loans which are repurchased in
accordance with this Agreement) in such computer files the information
required by the MERS(R) System to identify the series of the Certificates
issued in connection with such Mortgage Loans. Each Seller further agrees that
it will not, and will not permit the Master Servicer to, and the Master
Servicer agrees that it will not, alter the information referenced in this
paragraph with respect to any Mortgage Loan sold by such Seller to the
Depositor during the term of this Agreement unless and until such Mortgage
Loan is repurchased in accordance with the terms of this Agreement.

            In the event that in connection with any Mortgage Loan that is not
a MERS Mortgage Loan the Depositor cannot deliver (a) the original recorded
Mortgage, or a copy of such Mortgage, with recording information, (b) all
interim recorded assignments, or a copy of such assignments, with recording
information or (c) the lender's title policy or a copy of the lender's title
policy (together with all riders thereto) satisfying the requirements of
clause (ii), (iii) or (v) above, respectively, concurrently with the execution
and delivery of this Agreement because such document or documents have not
been returned from the applicable public recording office in the case of
clause (ii) or (iii) above, or because the title policy has not been delivered
to either the Master Servicer or the Depositor by the applicable title insurer
in the case of clause (v) above, the Depositor shall promptly deliver to the
Trustee, in the case of clause (ii) or (iii) above, such original Mortgage or
a copy of such Mortgage, with recording information, or such interim
assignment or a copy of such assignment, with recording information, 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 (v)
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 Trustee 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 Trustee (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 or the Master Servicer to the Trustee. 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 Master Servicer 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, Countrywide shall deliver to the
Trustee a copy of such Mortgage certified by such public recording office to
be a true and complete copy of the original recorded Mortgage.

            As promptly as practicable subsequent to such transfer and
assignment, and in any event, within one-hundred and twenty (120) days after
such transfer and assignment, the Trustee shall (A) as the assignee thereof,
affix the following language to each assignment of Mortgage: "CWMBS Series
2007-3, The Bank of New York, as trustee", (B) cause such assignment to be in
proper form for recording in the appropriate public office for real property
records and (C) cause to be delivered for recording in the


                                     II-3
<PAGE>


appropriate public office for real property records the assignments of the
Mortgages to the Trustee, except that, (i) with respect to any assignments of
Mortgage as to which the Trustee has not received the information required to
prepare such assignment in recordable form, the Trustee'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 thirty (30) days
after receipt thereof and (ii) the Trustee need not cause to be recorded any
assignment which relates to a Mortgage Loan, the Mortgaged Property and
Mortgage File relating to which are located in any jurisdiction (including
Puerto Rico) under the laws of which the recordation of such assignment is not
necessary to protect the Trustee's and the Certificateholders' interest in the
related Mortgage Loan as evidenced by an opinion of counsel delivered by
Countrywide to the Trustee within 90 days of the Closing Date (which opinion
may be in the form of a "survey" opinion and is not required to be delivered
by counsel admitted to practice law in the jurisdiction as to which such legal
opinion applies).

             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 Trustee, will deposit in the Certificate Account the portion of such
payment that is required to be deposited in the Certificate Account pursuant
to Section 3.05 hereof.

            Notwithstanding anything to the contrary in this Agreement, within
thirty (30) days after the Closing Date, Countrywide (on its own behalf and on
behalf of Park Granada, Park Monaco and Park Sienna) shall either (i) deliver
to the Depositor, or at the Depositor's direction, to the Trustee or other
designee of the Depositor the Mortgage File as required pursuant to this
Section 2.01 for each Delay Delivery Mortgage Loan or (ii) either (A)
substitute a Substitute Mortgage Loan for the Delay Delivery Mortgage Loan or
(B) repurchase the Delay Delivery Mortgage Loan, which substitution or
repurchase shall be accomplished in the manner and subject to the conditions
set forth in Section 2.03 (treating each Delay Delivery Mortgage Loan as a
Deleted Mortgage Loan for purposes of such Section 2.03); provided, however,
that if Countrywide fails to deliver a Mortgage File for any Delay Delivery
Mortgage Loan within the thirty (30) day period provided in the prior
sentence, Countrywide (on its own behalf and on behalf of Park Granada, Park
Monaco and Park Sienna) shall use its best reasonable efforts to effect a
substitution, rather than a repurchase of, such Deleted Mortgage Loan and
provided further that the cure period provided for in Section 2.02 or in
Section 2.03 shall not apply to the initial delivery of the Mortgage File for
such Delay Delivery Mortgage Loan, but rather Countrywide (on its own behalf
and on behalf of Park Granada, Park Monaco and Park Sienna) shall have five
(5) Business Days to cure such failure to deliver. At the end of such thirty
(30) day period the Trustee shall send a Delay Delivery Certification for the
Delay Delivery Mortgage Loans delivered during such thirty (30) day period in
accordance with the provisions of Section 2.02.

            (d) Neither the Depositor nor the Trust will acquire or hold any
Mortgage Loan that would violate the representations made by Countrywide set
forth in clause (46) of Schedule III-A hereto.

            SECTION 2.02. Acceptance by Trustee of the Mortgage Loans.

            (a) The Trustee acknowledges receipt of the documents identified
in the Initial Certification in the form annexed hereto as Exhibit F-1 and
declares that it holds and will hold such documents and the other documents
delivered to it constituting the Mortgage Files, and 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. The
Trustee acknowledges that it will maintain possession of the Mortgage Notes in
the State of California, unless otherwise permitted by the Rating Agencies.

            The Trustee agrees to execute and deliver on the Closing Date to
the Depositor, the Master Servicer and Countrywide (on its own behalf and on
behalf of Park Granada, Park Monaco and


                                     II-4
<PAGE>


Park Sienna) an Initial Certification in the form annexed hereto as Exhibit
F-1. Based on its review and examination, and only as to the documents
identified in such Initial Certification, the Trustee acknowledges that such
documents appear regular on their face and relate to such Mortgage Loan. The
Trustee shall be under no duty or obligation to 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.

            On or about the thirtieth (30th) day after the Closing Date, the
Trustee shall deliver to the Depositor, the Master Servicer and Countrywide
(on its own behalf and on behalf of Park Granada, Park Monaco and Park Sienna)
a Delay Delivery Certification with respect to the Mortgage Loans in the form
annexed hereto as Exhibit G-1, with any applicable exceptions noted thereon.

            Not later than 90 days after the Closing Date, the Trustee shall
deliver to the Depositor, the Master Servicer and Countrywide (on its own
behalf and on behalf of Park Granada, Park Monaco and Park Sienna) a Final
Certification with respect to the Mortgage Loans in the form annexed hereto as
Exhibit H-1, with any applicable exceptions noted thereon. If, in the course
of such review, the Trustee finds any document constituting a part of a
Mortgage File which does not meet the requirements of Section 2.01, the
Trustee shall list such as an exception in the Final Certification; provided,
however that the Trustee 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 or (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. Countrywide (on its own behalf and on behalf of
Park Granada, Park Monaco and Park Sienna) shall promptly correct or cure such
defect within 90 days from the date it was so notified of such defect and, if
Countrywide does not correct or cure such defect within such period,
Countrywide (on its own behalf and on behalf of Park Granada, Park Monaco and
Park Sienna) shall either (a) substitute for the related Mortgage Loan a
Substitute Mortgage Loan, which substitution shall be accomplished in the
manner and subject to the conditions set forth in Section 2.03, or (b)
purchase such Mortgage Loan from the Trustee within 90 days from the date
Countrywide (on its own behalf and on behalf of Park Granada, Park Monaco and
Park Sienna) was notified of such defect in writing at the Purchase Price of
such Mortgage Loan; provided, however, that in no event shall such
substitution or purchase occur more than 540 days from the Closing Date,
except that if the substitution or purchase of a Mortgage Loan pursuant to
this provision is required by reason of a delay in delivery of any documents
by the appropriate recording office, and there is a dispute between either the
Master Servicer or Countrywide (on its own behalf and on behalf of Park
Granada, Park Monaco and Park Sienna) and the Trustee over the location or
status of the recorded document, then such substitution or purchase shall
occur within 720 days from the Closing Date. The Trustee shall deliver written
notice to each Rating Agency within 270 days from the Closing Date indicating
each Mortgage Loan (a) which has not been returned by the appropriate
recording office or (b) as to which there is a dispute as to location or
status of such Mortgage Loan. Such notice shall be delivered every 90 days
thereafter until the related Mortgage Loan is returned to the Trustee. Any
such substitution pursuant to (a) above or purchase pursuant to (b) above
shall not be effected prior to the delivery to the Trustee of the Opinion of
Counsel required by Section 2.05 hereof, if any, and any substitution pursuant
to (a) above shall not be effected prior to the additional delivery to the
Trustee of a Request for Release substantially in the form of Exhibit N. No
substitution is permitted to be made in any calendar month after the
Determination Date for such month. The Purchase Price for any such Mortgage
Loan shall be deposited by Countrywide (on its own behalf and on behalf of
Park Granada, Park Monaco and Park Sienna) in the Certificate 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
and certification with respect thereto in the form of Exhibit N hereto, the
Trustee shall release the related Mortgage File to Countrywide (on its own
behalf and on behalf of Park Granada, Park Monaco and Park


                                     II-5
<PAGE>


Sienna) and shall execute and deliver at Countrywide's (on its own behalf and
on behalf of Park Granada, Park Monaco and Park Sienna) request such
instruments of transfer or assignment prepared by Countrywide, in each case
without recourse, as shall be necessary to vest in Countrywide (on its own
behalf and on behalf of Park Granada, Park Monaco and Park Sienna), or its
designee, the Trustee's interest in any Mortgage Loan released pursuant
hereto. If pursuant to the foregoing provisions Countrywide (on its own behalf
and on behalf of Park Granada, Park Monaco and Park Sienna) repurchases an
Mortgage Loan that is a MERS Mortgage Loan, the Master Servicer shall either
(i) cause MERS to execute and deliver an assignment of the Mortgage in
recordable form to transfer the Mortgage from MERS to Countrywide (on its own
behalf and on behalf of Park Granada, Park Monaco and Park Sienna) or its
designee and shall cause such Mortgage to be removed from registration on the
MERS(R) System in accordance with MERS' rules and regulations or (ii) cause
MERS to designate on the MERS(R) System Countrywide (on its own behalf and on
behalf of Park Granada, Park Monaco and Park Sienna) or its designee as the
beneficial holder of such Mortgage Loan.

            (b) [Reserved].

            (c) The Trustee shall retain possession and custody of each
Mortgage File in accordance with and subject to the terms and conditions set
forth herein. The Master Servicer shall promptly deliver to the Trustee, 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
Master Servicer from time to time.

            (d) It is understood and agreed that the respective obligations of
each Seller to substitute for or to purchase any Mortgage Loan sold to the
Depositor by it which does not meet the requirements of Section 2.01 above
shall constitute the sole remedy respecting such defect available to the
Trustee, the Depositor and any Certificateholder against that Seller.

            (e) [Reserved].

            (f) [Reserved].

            SECTION 2.03. Representations, Warranties and Covenants of the
                          Sellers and Master Servicer.

            (a) Countrywide hereby makes the representations and warranties
set forth in (i) Schedule II-A, Schedule II-B, Schedule II-C and Schedule II-D
hereto, and by this reference incorporated herein, to the Depositor, the
Master Servicer and the Trustee, as of the Closing Date, (ii) Schedule III-A
hereto, and by this reference incorporated herein, to the Depositor, the
Master Servicer and the Trustee, as of the Closing Date, or if so specified
therein, as of the Cut-off Date with respect to all of the Mortgage Loans, and
(iii) Schedule III-B hereto, and by this reference incorporated herein, to the
Depositor, the Master Servicer and the Trustee, as of the Closing Date, or if
so specified therein, as of the Cut-off Date with respect to the Mortgage
Loans that are Countrywide Mortgage Loans. Park Granada hereby makes the
representations and warranties set forth in (i) Schedule II-B hereto, and by
this reference incorporated herein, to the Depositor, the Master Servicer and
the Trustee, as of the Closing Date and (ii) Schedule III-C hereto, and by
this reference incorporated herein, to the Depositor, the Master Servicer and
the Trustee, as of the Closing Date, or if so specified therein, as of the
Cut-off Date with respect to the Mortgage Loans that are Park Granada Mortgage
Loans. Park Monaco hereby makes the representations and warranties set forth
in (i) Schedule II-C hereto, and by this reference incorporated herein, to the
Depositor, the Master Servicer and the Trustee, as of the Closing Date and
(ii) Schedule III-D hereto, and by this reference incorporated herein, to the
Depositor, the Master Servicer and the Trustee, as of the Closing Date, or if
so specified therein, as of the Cut-off


                                     II-6
<PAGE>


Date with respect to the Mortgage Loans that are Park Monaco Mortgage Loans.
Park Sienna hereby makes the representations and warranties set forth in (i)
Schedule II-D hereto, and by this reference incorporated herein, to the
Depositor, the Master Servicer and the Trustee, as of the Closing Date and
(ii) Schedule III-E hereto, and by this reference incorporated herein, to the
Depositor, the Master Servicer and the Trustee, as of the Closing Date, or if
so specified therein, as of the Cut-off Date with respect to the Mortgage
Loans that are Park Sienna Mortgage Loans.

            (b) The Master Servicer hereby makes the representations and
warranties set forth in Schedule IV hereto, and by this reference incorporated
herein, to the Depositor and the Trustee, as of the Closing Date.

            (c) Upon discovery by any of the parties hereto of a breach of a
representation or warranty with respect to a Mortgage Loan made pursuant to
Section 2.03(a) that materially and adversely affects the interests of the
Certificateholders in that Mortgage Loan, the party discovering such breach
shall give prompt notice thereof to the other parties. Each Seller hereby
covenants that within 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
with respect to a Mortgage Loan sold by it pursuant to Section 2.03(a) which
materially and adversely affects the interests of the Certificateholders in
that Mortgage Loan, it shall cure such breach in all material respects, and if
such breach is not so cured, shall, (i) if such 90-day period expires prior to
the second anniversary of the Closing Date, remove such Mortgage Loan (a
"Deleted Mortgage Loan") from the Trust Fund and substitute in its place a
Substitute Mortgage Loan, 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; provided, however, that any such substitution pursuant to (i) above
shall not be effected prior to the delivery to the Trustee of the Opinion of
Counsel required by Section 2.05 hereof, if any, and any such substitution
pursuant to (i) above shall not be effected prior to the additional delivery
to the Trustee of a Request for Release substantially in the form of Exhibit N
and the Mortgage File for any such Substitute Mortgage Loan. The Seller
repurchasing a Mortgage Loan pursuant to this Section 2.03(c) 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 the
remedies for such breach. With respect to the representations and warranties
described in this Section which are made to the best of a Seller's knowledge,
if it is discovered by either the Depositor, a Seller or the Trustee that the
substance of such representation and warranty is inaccurate and such
inaccuracy materially and adversely affects the value of the related Mortgage
Loan or the interests of the Certificateholders therein, notwithstanding that
Seller'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.

            With respect to any Substitute Mortgage Loan or Loans, sold to the
Depositor by a Seller, Countrywide (on its own behalf and on behalf of Park
Granada, Park Monaco and Park Sienna) shall deliver to the Trustee for the
benefit of the Certificateholders 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
in any calendar month after the Determination Date for such month. Scheduled
Payments due with respect to Substitute Mortgage Loans in the month of
substitution shall not be part of the Trust Fund and will be retained by the
related Seller 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 that
Seller shall be entitled to retain all amounts received in respect of such
Deleted Mortgage Loan. The Master Servicer shall amend the Mortgage Loan
Schedule for the benefit of the Certificateholders to reflect the removal of
such Deleted Mortgage Loan and the substitution of the Substitute Mortgage
Loan or Loans and the Master Servicer shall deliver the amended Mortgage Loan
Schedule to the Trustee. Upon such substitution, the Substitute


                                     II-7
<PAGE>


Mortgage Loan or Loans shall be subject to the terms of this Agreement in all
respects, and the related Seller shall be deemed to have made with respect to
such Substitute Mortgage Loan or Loans, as of the date of substitution, the
representations and warranties made pursuant to Section 2.03(a) with respect
to such Mortgage Loan. Upon any such substitution and the deposit to the
Certificate Account of the amount required to be deposited therein in
connection with such substitution as described in the following paragraph, the
Trustee shall release the Mortgage File held for the benefit of the
Certificateholders relating to such Deleted Mortgage Loan to the related
Seller and shall execute and deliver at such Seller's direction such
instruments of transfer or assignment prepared by Countrywide (on its own
behalf and on behalf of Park Granada, Park Monaco and Park Sienna), in each
case without recourse, as shall be necessary to vest title in that Seller, 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 a Seller substitutes one or more 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 Substitute Mortgage Loans sold to the Depositor by that Seller as of the
date of substitution is less than the aggregate Stated Principal Balance of
all Deleted Mortgage Loans repurchased by that Seller (after application of
the scheduled principal portion of the monthly payments due 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 deposited in the
Certificate Account by Countrywide (on its own behalf and on behalf of Park
Granada, Park Monaco and Park Sienna) 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.

            In the event that a Seller shall have repurchased a Mortgage Loan,
the Purchase Price therefor shall be deposited in the Certificate Account
pursuant to Section 3.05 on or before the Distribution Account Deposit Date
for the Distribution Date in the month following the month during which that
Seller became obligated hereunder to repurchase or replace such Mortgage Loan
and upon such deposit of the Purchase Price, the delivery of the Opinion of
Counsel required by Section 2.05 and receipt of a Request for Release in the
form of Exhibit N hereto, the Trustee shall release the related Mortgage File
held for the benefit of the Certificateholders to such Person, and the Trustee
shall execute and deliver at such Person's direction such instruments of
transfer or assignment prepared by such Person, in each case without recourse,
as shall be necessary to transfer title from the Trustee. It is understood and
agreed that the obligation under this Agreement of any Person to cure,
repurchase or replace any Mortgage Loan as to which a breach has occurred and
is continuing shall constitute the sole remedy against such Persons respecting
such breach available to Certificateholders, the Depositor or the Trustee on
their behalf.

            The representations and warranties made pursuant to this Section
2.03 shall survive delivery of the respective Mortgage Files to the Trustee
for the benefit of the Certificateholders.

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

            The Depositor hereby represents and warrants to the Trustee 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 each Seller, the Depositor had good title to the
Mortgage Loans and the Mortgage Notes were subject to no offsets, defenses or
counterclaims.

             The Depositor hereby assigns, transfers and conveys to the Trustee
all of its rights with respect to the Mortgage Loans including, without
limitation, the representations and warranties of each


                                     II-8
<PAGE>


Seller made pursuant to Section 2.03(a)(ii) hereof, together with all rights
of the Depositor to require each Seller to cure any breach thereof or to
repurchase or substitute for any affected Mortgage Loan in accordance with
this Agreement.

            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 Trustee. Upon discovery by the Depositor 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, the
party discovering such breach shall give prompt written notice to the others
and to each Rating Agency.

            SECTION 2.05. Delivery of Opinion of Counsel in Connection with
                          Substitutions.

            (a) Notwithstanding any contrary provision of this Agreement, no
substitution pursuant to Section 2.02 or Section 2.03 shall be made more than
90 days after the Closing Date unless Countrywide delivers to the Trustee an
Opinion of Counsel, which Opinion of Counsel shall not be at the expense of
either the Trustee or the Trust Fund, addressed to the Trustee, to the effect
that such substitution will not (i) result in the imposition of the tax on
"prohibited transactions" on the Trust Fund or contributions after the Startup
Date, as defined in Sections 860F(a)(2) and 860G(d) of the Code, respectively,
or (ii) cause any REMIC created hereunder to fail to qualify as a REMIC at any
time that any Certificates are outstanding.

            (b) Upon discovery by the Depositor, a Seller, the Master
Servicer, or the Trustee that any Mortgage Loan does not constitute a
"qualified mortgage" within the meaning of Section 860G(a)(3) of the Code, the
party discovering such fact shall promptly (and in any event within five (5)
Business Days of discovery) give written notice thereof to the other parties.
In connection therewith, the Trustee shall require Countrywide (on its own
behalf and on behalf of Park Granada, Park Monaco and Park Sienna), at its
option, to either (i) substitute, if the conditions in Section 2.03(c) with
respect to substitutions are satisfied, a Substitute Mortgage Loan for the
affected Mortgage Loan, or (ii) repurchase the affected Mortgage Loan within
90 days of such discovery in the same manner as it would a Mortgage Loan for a
breach of representation or warranty made pursuant to Section 2.03. The
Trustee shall reconvey to Countrywide the Mortgage Loan to be released
pursuant hereto in the same manner, and on the same terms and conditions, as
it would a Mortgage Loan repurchased for breach of a representation or
warranty contained in Section 2.03.

            SECTION 2.06. Execution and Delivery of Certificates.

            The Trustee acknowledges the transfer and assignment to it of the
Trust Fund and, concurrently with such transfer and assignment, has executed
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
exercise the rights referred to above for the benefit of all present and
future Holders of the Certificates and to perform the duties set forth in this
Agreement, to the end that the interests of the Holders of the Certificates
may be adequately and effectively protected.

            SECTION 2.07. REMIC Matters.

            The Preliminary Statement sets forth the designations and "latest
possible maturity date" for federal income tax purposes of all interests
created hereby. The "Startup Day" for purposes of the REMIC Provisions shall
be the Closing Date. The "tax matters person" with respect to each REMIC


                                     II-9
<PAGE>


hereunder shall be the Trustee and the Trustee shall hold the Tax Matters
Person Certificate. Each REMIC's fiscal year shall be the calendar year.

            SECTION 2.08. Covenants of the Master Servicer.

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

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

            (b) 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.


                                     II-10
<PAGE>


                                  ARTICLE III

                         ADMINISTRATION AND SERVICING
                               OF MORTGAGE LOANS


            SECTION 3.01. Master Servicer to Service Mortgage Loans.

            For and on behalf of the Certificateholders, the Master Servicer
shall service and administer the Mortgage Loans in accordance with the terms
of this Agreement and customary and usual standards of practice of prudent
mortgage loan servicers. In connection with such servicing and administration,
the Master Servicer shall have full power and authority, acting alone and/or
through Subservicers as provided in Section 3.02 hereof, subject to the terms
hereof (i) to execute and deliver, on behalf of the Certificateholders and the
Trustee, customary consents or waivers and other instruments and documents,
(ii) to consent to transfers of any Mortgaged Property and assumptions of the
Mortgage Notes and related Mortgages (but only in the manner provided in this
Agreement), (iii) to collect any Insurance Proceeds and other Liquidation
Proceeds (which, for the purpose of this Section, includes any Subsequent
Recoveries), and (iv) to effectuate foreclosure or other conversion of the
ownership of the Mortgaged Property securing any Mortgage Loan; provided that
the Master Servicer shall not take any action that is inconsistent with or
prejudices the interests of the Trust Fund or the Certificateholders in any
Mortgage Loan or the rights and interests of the Depositor, the Trustee and
the Certificateholders under this Agreement. The Master Servicer shall
represent and protect the interests of the Trust Fund in the same manner as it
protects its own interests in mortgage loans in its own portfolio in any
claim, proceeding or litigation regarding a Mortgage Loan, and shall not make
or permit any modification, waiver or amendment of any Mortgage Loan which
would cause any REMIC created hereunder to fail to qualify as a REMIC or
result in the imposition of any tax under Section 860F(a) or Section 860G(d)
of the Code. Without limiting the generality of the foregoing, the Master
Servicer, in its own name or in the name of the Depositor and the Trustee, is
hereby authorized and empowered by the Depositor and the Trustee, when the
Master Servicer believes it appropriate in its reasonable judgment, to execute
and deliver, on behalf of the Trustee, the Depositor, the Certificateholders
or any of them, any and all instruments of satisfaction or cancellation, or of
partial or full release or discharge and all other comparable instruments,
with respect to the Mortgage Loans, and with respect to the Mortgaged
Properties held for the benefit of the Certificateholders. The Master Servicer
shall prepare and deliver to the Depositor and/or the Trustee such documents
requiring execution and delivery by either or both of them as are necessary or
appropriate to enable the Master Servicer to service and administer the
Mortgage Loans to the extent that the Master Servicer is not permitted to
execute and deliver such documents pursuant to the preceding sentence. Upon
receipt of such documents, the Depositor and/or the Trustee shall execute such
documents and deliver them to the Master Servicer. The Master Servicer further
is authorized and empowered by the Trustee, on behalf of the
Certificateholders and the Trustee, in its own name or in the name of the
Subservicer, when the Master Servicer or the Subservicer, as the case may be,
believes it appropriate in its best judgment to register any Mortgage Loan on
the MERS(R) System, or cause the removal from the registration of any Mortgage
Loan on the MERS(R) System, to execute and deliver, on behalf of the Trustee
and the Certificateholders or any of them, any and all instruments of
assignment and other comparable instruments with respect to such assignment or
re-recording of a Mortgage in the name of MERS, solely as nominee for the
Trustee and its successors and assigns.

            In accordance with the standards of the preceding paragraph, 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 3.06, and further
as provided in Section 3.08. The costs incurred by the Master Servicer, if
any, in effecting the timely payments of taxes and assessments on the
Mortgaged Properties and related insurance premiums shall not, for the purpose
of


                                    III-1
<PAGE>


calculating monthly distributions to the Certificateholders, be added to
the Stated Principal Balances of the related Mortgage Loans, notwithstanding
that the terms of such Mortgage Loans so permit.

            SECTION 3.02. Subservicing; Enforcement of the Obligations of
                          Subservicers.

            (a) The Master Servicer may arrange for the subservicing of any
Mortgage Loan by a Subservicer pursuant to a subservicing agreement; provided,
however, that such subservicing arrangement and the terms of the related
subservicing agreement must provide for the servicing of such Mortgage Loans
in a manner consistent with the servicing arrangements contemplated hereunder.
Unless the context otherwise requires, references in this Agreement to actions
taken or to be taken by the Master Servicer in servicing the Mortgage Loans
include actions taken or to be taken by a Subservicer on behalf of the Master
Servicer. Notwithstanding the provisions of any subservicing agreement, any of
the provisions of this Agreement relating to agreements or arrangements
between the Master Servicer and a Subservicer or reference to actions taken
through a Subservicer or otherwise, the Master Servicer shall remain obligated
and liable to the Depositor, the Trustee and the Certificateholders for the
servicing and administration of the Mortgage Loans in accordance with the
provisions of this Agreement without diminution of such obligation or
liability by virtue of such subservicing agreements or arrangements or by
virtue of indemnification from the Subservicer and to the same extent and
under the same terms and conditions as if the Master Servicer alone were
servicing and administering the Mortgage Loans. All actions of each
Subservicer performed pursuant to the related subservicing agreement shall be
performed as an agent of the Master Servicer with the same force and effect as
if performed directly by the Master Servicer.

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

            SECTION 3.03. 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 nor shall the Trustee or the
Depositor be obligated to supervise the performance of the Master Servicer
hereunder or otherwise.

            SECTION 3.04. 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 an Event of
Default or termination by the Depositor), the Trustee or its successor shall
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 Master Servicer pursuant to Section 3.09 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 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 or (v) deemed to have
made any representations and


                                    III-2
<PAGE>


warranties of the Master Servicer hereunder). 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 Event of Default or
termination by the Depositor), the Trustee or its successor shall 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 the substitute
subservicing agreement to the assuming party.

            SECTION 3.05. Collection of Mortgage Loan Payments; Certificate
                          Account; Distribution Account; Supplemental Interest
                          Trust and the Corridor Contract Reserve Fund.

            (a) The Master Servicer shall make reasonable efforts in
accordance with the customary and usual standards of practice of prudent
mortgage servicers to collect all payments called for under the terms and
provisions of the Mortgage Loans to the extent such procedures shall be
consistent with this Agreement and the terms and provisions of any related
Required Insurance Policy. Consistent with the foregoing, the Master Servicer
may in its discretion (i) waive any late payment charge or any prepayment
charge or penalty interest in connection with the prepayment of a Mortgage
Loan and (ii) extend the due dates for payments due on a Mortgage Note for a
period not greater than 180 days; provided, however, that the Master Servicer
cannot extend the maturity of any such Mortgage Loan past the date on which
the final payment is due on the latest maturing Mortgage Loan as of the
Cut-off Date. In the event of any such arrangement, the Master Servicer shall
make Advances on the related Mortgage Loan in accordance with the provisions
of Section 4.01 during the scheduled period in accordance with the
amortization schedule of such Mortgage Loan without modification thereof by
reason of such arrangements. The Master Servicer shall not be required to
institute or join in litigation with respect to collection of any payment
(whether under a Mortgage, Mortgage Note or otherwise or against any public or
governmental authority with respect to a taking or condemnation) if it
reasonably believes that enforcing the provision of the Mortgage or other
instrument pursuant to which such payment is required is prohibited by
applicable law.

            (b) The Master Servicer shall establish and maintain a Certificate
Account into which the Master Servicer shall deposit or cause to be deposited
no later than two Business Days after receipt (or, if the current long-term
credit rating of Countrywide is reduced below "A-" by S&P or Fitch, or "A3" by
Moody's, the Master Servicer shall deposit or cause to be deposited on a daily
basis within one Business Day of receipt), except as otherwise specifically
provided herein, the following payments and collections remitted by
Subservicers 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 Master Servicing Fee, Prepayment Interest Excess and any
      lender-paid mortgage insurance premiums;

             (iii) all Insurance Proceeds, Subsequent Recoveries and
      Liquidation 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 Master Servicer's normal servicing
      procedures;


                                    III-3
<PAGE>


            (iv) any amount required to be deposited by the Master Servicer or
      the Depositor pursuant to Section 3.05(e) in connection with any losses
      on Permitted Investments for which it is responsible;

            (v) any amounts required to be deposited by the Master Servicer
      pursuant to Section 3.09(c) and in respect of net monthly rental income
      from REO Property pursuant to Section 3.11 hereof;

            (vi) all Substitution Adjustment Amounts;

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

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

            In addition, with respect to any Mortgage Loan that is subject to
a buydown agreement, on each Due Date for such Mortgage Loan, in addition to
the monthly payment remitted by the Mortgagor, the Master Servicer shall cause
funds to be deposited into the Certificate Account in an amount required to
cause an amount of interest to be paid with respect to such Mortgage Loan
equal to the amount of interest that has accrued on such Mortgage Loan from
the preceding Due Date at the Mortgage Rate net of the Master Servicing Fee.

            The foregoing requirements for remittance by the Master Servicer
shall be exclusive, it being understood and agreed that, without limiting the
generality of the foregoing, payments in the nature of prepayment charges,
late payment charges or assumption fees, if collected, need not be remitted by
the Master Servicer. In the event that the Master Servicer shall remit any
amount not required to be remitted, it may at any time withdraw or direct the
institution maintaining the Certificate Account to withdraw such amount from
the Certificate Account, any provision herein to the contrary notwithstanding.
Such withdrawal or direction may be accomplished by delivering written notice
thereof to the Trustee or such other institution maintaining the Certificate
Account which describes the amounts deposited in error in the Certificate
Account. The Master Servicer shall maintain adequate records with respect to
all withdrawals made pursuant to this Section. All funds deposited in the
Certificate Account shall be held in trust for the Certificateholders until
withdrawn in accordance with Section 3.08.

            (c) [Reserved].

            (d) The Trustee shall establish and maintain, on behalf of the
Certificateholders, the Distribution Account. The Trustee shall, promptly upon
receipt, deposit in the Distribution Account and retain therein the following:

            (i) the aggregate amount remitted by the Master Servicer to the
      Trustee pursuant to Section 3.08(a)(ix);

            (ii) any amount deposited by the Master Servicer or the Depositor
      pursuant to Section 3.05(e) in connection with any losses on Permitted
      Investments for which it is responsible; and

            (iii) any other amounts deposited 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 Trustee to withdraw
such amount from the Distribution Account, any provision


                                    III-4
<PAGE>


herein to the contrary notwithstanding. Such direction may be accomplished by
delivering an Officer's Certificate to the Trustee which describes the amounts
deposited in error in the Distribution Account. All funds deposited in the
Distribution Account shall be held by the Trustee in trust for the
Certificateholders until disbursed in accordance with this Agreement or
withdrawn in accordance with Section 3.08. In no event shall the Trustee incur
liability for withdrawals from the Distribution Account at the direction of
the Master Servicer.

            (e) Each institution at which the Certificate Account or the
Distribution Account is maintained shall invest the funds therein as directed
in writing by the Master Servicer in Permitted Investments, which shall mature
not later than (i) in the case of the Certificate Account, the second Business
Day next preceding the related Distribution Account Deposit Date (except that
if such Permitted Investment is an obligation of the institution that
maintains such account, then such Permitted Investment shall mature not later
than the Business Day next preceding such Distribution Account Deposit Date)
and (ii) in the case of the Distribution Account, the Business Day next
preceding the Distribution Date (except that if such Permitted Investment is
an obligation of the institution that maintains such fund or account, then
such Permitted Investment shall mature not later than such Distribution Date)
and, in each case, shall not be sold or disposed of prior to its maturity. All
such Permitted Investments shall be made in the name of the Trustee, for the
benefit of the Certificateholders. All income and gain net of any losses
realized from any such investment of funds on deposit in the Certificate
Account, or the Distribution Account shall be for the benefit of the Master
Servicer as servicing compensation and shall be remitted to it monthly as
provided herein. The amount of any realized losses in the Certificate Account
or the Distribution Account incurred in any such account in respect of any
such investments shall promptly be deposited by the Master Servicer in the
Certificate Account or paid to the Trustee for deposit into the Distribution
Account, as applicable. The Trustee in its fiduciary capacity 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 Certificate Account or the
Distribution Account and made in accordance with this Section 3.05.

             (f) The Master Servicer shall give notice to the Trustee, each
Seller, each Rating Agency and the Depositor of any proposed change of the
location of the Certificate Account prior to any change thereof. The Trustee
shall give notice to the Master Servicer, each Seller, each Rating Agency and
the Depositor of any proposed change of the location of the Distribution
Account prior to any change thereof. The Supplemental Interest Trustee shall
give notice to the Master Servicer, each Seller, each Rating Agency and the
Depositor of any proposed change of the location of the Corridor Contract
Reserve Fund prior to any change thereof.

            (g) On the Closing Date, there is hereby established a separate
trust (the "Supplemental Interest Trust"), the assets of which shall consist
of the Corridor Contract Reserve Fund and the Supplemental Interest Trustee's
rights and obligations under the Corridor Contract The Supplemental Interest
Trust shall be maintained by the Supplemental Interest Trustee, who initially,
shall be the Trustee.

            On the Closing Date, the Supplemental Interest Trustee shall
establish and maintain in its name, in trust for the benefit of the Holders of
the Covered Certificates, the Corridor Contract Reserve Fund, and shall
deposit $1,000 therein upon receipt from or on behalf of the Depositor of such
amount. All funds on deposit in the Corridor Contract Reserve Fund shall be
held separate and apart from, and shall not be commingled with, any other
moneys, including without limitation, other moneys held by the Trustee
pursuant to this Agreement.

            On each Distribution Date, the Supplemental Interest Trustee shall
deposit into the Corridor Contract Reserve Fund all amounts received in
respect of the Corridor Contract for the related


                                    III-5
<PAGE>


Interest Accrual Period. The Supplemental Interest Trustee shall make
withdrawals from the Corridor Contract Reserve Fund to make distributions
pursuant to Section 4.09 exclusively (other than as expressly provided for in
Section 3.08). Notwithstanding anything to the contrary in this Agreement, the
Supplemental Interest Trustee shall be allowed to transfer funds in the
Corridor Contract Reserve Fund to the Trustee to facilitate, for
administrative purposes, distribution of such funds to Certificateholders
through the Distribution Account.

            Funds in the Corridor Contract Reserve Fund shall be invested in
The Bank of New York cash reserves. Any net investment earnings on such
amounts shall be retained therein until withdrawn as provided in Section 3.08.
Any losses incurred in the Corridor Contract Reserve Fund in respect of any
such investments shall be charged against amounts on deposit in the Corridor
Contract Reserve Fund (or such investments) immediately as realized. The
Supplemental Interest Trustee 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 Corridor Contract Reserve Fund and made in accordance with this Section
3.05. The Corridor Contract Reserve Fund will not constitute an asset of the
Trust Fund or any REMIC created hereunder.

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

            (a) To the extent required by the related Mortgage Note and not
violative of current law, the Master Servicer shall establish and maintain one
or more accounts (each, an "Escrow Account") and deposit and retain therein
all collections from the Mortgagors (or advances by the Master 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 a Mortgagor to establish an Escrow Account in
violation of applicable law.

            (b) Withdrawals of amounts so collected from the Escrow Accounts
may be made only to effect timely payment of taxes, assessments, hazard
insurance premiums, condominium or PUD association dues, or comparable items,
to reimburse the Master Servicer out of related collections for any payments
made pursuant to Sections 3.01 hereof (with respect to taxes and assessments
and insurance premiums) and 3.09 hereof (with respect to hazard insurance), to
refund to any Mortgagors any sums determined to be overages, to pay interest,
if required by law or the terms of the related Mortgage or Mortgage Note, to
Mortgagors on balances in the Escrow Account or to clear and terminate the
Escrow Account at the termination of this Agreement in accordance with Section
9.01 hereof. The Escrow Accounts shall not be a part of the Trust Fund.

            (c) The Master Servicer shall advance any payments referred to in
Section 3.06(a) that are not timely paid by the Mortgagors on the date when
the tax, premium or other cost for which such payment is intended is due, but
the Master Servicer shall be required so to advance only to the extent that
such advances, in the good faith judgment of the Master Servicer, will be
recoverable by the Master Servicer out of Insurance Proceeds, Liquidation
Proceeds or otherwise.

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

            The Master Servicer shall afford each Seller, the Depositor and
the Trustee reasonable access to all records and documentation regarding the
Mortgage Loans and all accounts, insurance information and other matters
relating to this 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.


                                    III-6
<PAGE>


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

            SECTION 3.08. Permitted Withdrawals from the Certificate Account,
                          the Distribution Account and the Corridor Contract
                          Reserve Fund.

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

            (i) to pay to the Master Servicer (to the extent not previously
      retained by the Master Servicer) the servicing compensation to which it
      is entitled pursuant to Section 3.14, and to pay to the Master Servicer,
      as additional servicing compensation, earnings on or investment income
      with respect to funds in or credited to the Certificate Account;

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

            (iii) to reimburse each of the Master Servicer and the Trustee for
      any Nonrecoverable Advance previously made by it;

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

            (v) to reimburse the Master Servicer for (a) unreimbursed
      Servicing Advances, 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 3.06 and (b) for unpaid Master
      Servicing Fees as provided in Section 3.11 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, 2.03 or 3.11, all amounts received thereon after the
      date of such purchase;

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

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

            (ix) on or prior to the Distribution Account Deposit Date, to
      withdraw an amount equal to the related Available Funds and the Trustee
      Fee for such Distribution Date and remit such amount to the Trustee for
      deposit in the Distribution Account; and


                                    III-7
<PAGE>


            (x) to clear and terminate the Certificate Account upon
      termination of this Agreement pursuant to Section 9.01 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 Certificate Account pursuant to such subclauses (i), (ii),
(iv), (v) and (vi). Prior to making any withdrawal from the Certificate
Account pursuant to subclause (iii), the Master Servicer shall deliver to the
Trustee an Officer's Certificate of a 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 Trustee shall withdraw funds from the Distribution Account
for distributions to 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 withhold pursuant to the third paragraph of
Section 8.11). In addition, the Trustee may from time to time make withdrawals
from the Distribution Account for the following purposes:

            (i) to pay to itself the Trustee Fee for the related Distribution
      Date;

            (ii) to pay to the Master Servicer as additional servicing
      compensation earnings on or investment income with respect to funds in
      the Distribution Account;

            (iii) to withdraw and return to the Master Servicer any amount
      deposited in the Distribution Account and not required to be deposited
      therein;

            (iv) to reimburse the Trustee for any unreimbursed Advances made
      by it pursuant to Section 4.01(b) hereof, such right of reimbursement
      pursuant to this subclause (iv) being limited to (x) amounts received on
      the related Mortgage Loan(s) in respect of which any such Advance was
      made and (y) amounts not otherwise reimbursed to the Trustee pursuant to
      Section 3.08(a)(ii) hereof;

            (v) to reimburse the Trustee for any Nonrecoverable Advance
      previously made by the Trustee pursuant to Section 4.01(b) hereof, such
      right of reimbursement pursuant to this subclause (v) being limited to
      amounts not otherwise reimbursed to the Trustee pursuant to Section
      3.08(a)(iii) hereof; and

            (vi) to clear and terminate the Distribution Account upon
      termination of the Agreement pursuant to Section 9.01 hereof.

            (c) The Supplemental Interest Trustee shall withdraw funds from
the Corridor Contract Reserve Fund for distribution to the Covered
Certificates in the manner specified in Section 4.09 (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 8.11). In addition, the
Supplemental Interest Trustee may from time to time make withdrawals from the
Corridor Contract Reserve Fund for the following purposes:

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


                                    III-8
<PAGE>


            (ii) to clear and terminate the Corridor Contract Reserve Fund
      upon the earlier of (i) the reduction of the Class Certificate Balance
      of the Covered Certificates to zero, and (ii) the Corridor Contract
      Scheduled Termination Date.

            SECTION 3.09. Maintenance of Hazard Insurance; Maintenance of
                           Primary Insurance Policies.

            (a) The Master Servicer shall cause to be maintained, for each
Mortgage Loan, hazard insurance with extended coverage in an amount that is at
least equal to the lesser of (i) the maximum insurable value of the
improvements securing such Mortgage Loan or (ii) the greater of (y) the
outstanding principal balance of the Mortgage Loan and (z) an amount such that
the proceeds of such policy shall be sufficient to prevent the Mortgagor
and/or the mortgagee from becoming a co-insurer. Each such policy of standard
hazard insurance shall contain, or have an accompanying endorsement that
contains, a standard mortgagee clause. Any amounts collected by the Master
Servicer under any such policies (other than the amounts to be applied to the
restoration or repair of the related Mortgaged Property or amounts released to
the Mortgagor in accordance with the Master Servicer's normal servicing
procedures) shall be deposited in the Certificate Account. Any cost incurred
by the Master Servicer in maintaining any such insurance shall not, for the
purpose of calculating monthly distributions to the Certificateholders or
remittances to the Trustee for their benefit, be added to the principal
balance of the Mortgage Loan, notwithstanding that the terms of the Mortgage
Loan so permit. Such costs shall be recoverable by the Master Servicer out of
late payments by the related Mortgagor or out of the proceeds of liquidation
of the Mortgage Loan or Subsequent Recoveries to the extent permitted by
Section 3.08 hereof. It is understood and agreed that no earthquake or other
additional insurance is to be required of any Mortgagor or maintained on
property acquired in respect of a Mortgage other than pursuant to such
applicable laws and regulations as shall at any time be in force and as shall
require such additional insurance. If the Mortgaged Property is located at the
time of origination of the Mortgage Loan in a federally designated special
flood hazard area and such area is participating in the national flood
insurance program, the Master Servicer shall cause flood insurance to be
maintained with respect to such Mortgage Loan. Such flood insurance shall be
in an amount equal to the least of (i) the outstanding principal balance of
the related Mortgage Loan, (ii) the replacement value of the improvements
which are part of such Mortgaged Property, and (iii) the maximum amount of
such insurance available for the related Mortgaged Property under the national
flood insurance program.

             (b) The Master Servicer shall not take any action which would
result in non-coverage under any applicable Primary Insurance Policy of any
loss which, but for the actions of the Master Servicer, would have been
covered thereunder. The Master Servicer shall not cancel or refuse to renew
any such Primary Insurance Policy that is in effect at the date of the initial
issuance of the Certificates and is required to be kept in force hereunder
unless the replacement Primary Insurance Policy for such canceled or
non-renewed policy is maintained with a Qualified Insurer.

            Except with respect to any Lender PMI Mortgage Loans, the Master
Servicer shall not be required to maintain any Primary Insurance Policy (i)
with respect to any Mortgage Loan with a Loan-to-Value Ratio less than or
equal to 80% as of any date of determination or, based on a new appraisal, the
principal balance of such Mortgage Loan represents 80% or less of the new
appraised value or (ii) if maintaining such Primary Insurance Policy is
prohibited by applicable law. With respect to the Lender PMI Mortgage Loans,
the Master Servicer shall maintain the Primary Insurance Policy for the life
of such Mortgage Loans, unless otherwise provided for in the related Mortgage
Note or prohibited by law.

            The Master Servicer agrees to effect the timely payment of the
premiums on each Primary Insurance Policy, and such costs not otherwise
recoverable shall be recoverable by the Master Servicer from the related
proceeds of liquidation and Subsequent Recoveries.


                                    III-9
<PAGE>


            (c) In connection with its activities as Master Servicer of the
Mortgage Loans, the Master Servicer agrees to present on behalf of itself, the
Trustee and Certificateholders, 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. Any amounts collected by the Master
Servicer under any Primary Insurance Policies shall be deposited in the
Certificate Account.

            SECTION 3.10. Enforcement of Due-on-Sale Clauses; Assumption
                          Agreements.

            (a) Except as otherwise provided in this Section, when any
property subject to a Mortgage has been conveyed by the Mortgagor, the Master
Servicer shall to the extent that it has knowledge of such conveyance, enforce
any due-on-sale clause contained in any Mortgage Note or Mortgage, to the
extent permitted under applicable law and governmental regulations, but only
to the extent that such enforcement will not adversely affect or jeopardize
coverage under any Required Insurance Policy. Notwithstanding the foregoing,
the Master Servicer is not required to exercise such rights with respect to a
Mortgage Loan if the Person to whom the related Mortgaged Property has been
conveyed or is proposed to be conveyed satisfies the terms and conditions
contained in the Mortgage Note and Mortgage related thereto and the consent of
the mortgagee under such Mortgage Note or Mortgage is not otherwise so
required under such Mortgage Note or Mortgage as a condition to such transfer.
In the event that the Master Servicer is prohibited by law from enforcing any
such due-on-sale clause, or if coverage under any Required Insurance Policy
would be adversely affected, or if nonenforcement is otherwise permitted
hereunder, the Master Servicer is authorized, subject to Section 3.10(b), to
take or enter into an assumption and modification agreement from or with the
person to whom such property has been or is about to be conveyed, pursuant to
which such person becomes liable under the Mortgage Note and, unless
prohibited by applicable state law, the Mortgagor remains liable thereon,
provided that the Mortgage Loan shall continue to be covered (if so covered
before the Master Servicer enters such agreement) by the applicable Required
Insurance Policies. The Master Servicer, subject to Section 3.10(b), is also
authorized with the prior approval of the insurers under any Required
Insurance Policies to enter into a substitution of liability agreement with
such Person, pursuant to which the original Mortgagor is released from
liability and such Person is substituted as Mortgagor and becomes liable under
the Mortgage Note. Notwithstanding the foregoing, the Master Servicer shall
not be deemed to be in default under this Section by reason of any transfer or
assumption which the Master Servicer reasonably believes it is restricted by
law from preventing, for any reason whatsoever.

            (b) Subject to the Master Servicer's duty to enforce any
due-on-sale clause to the extent set forth in Section 3.10(a) hereof, in any
case in which a Mortgaged Property has been conveyed to a Person by a
Mortgagor, and such Person is to enter into an assumption agreement or
modification agreement or supplement to the Mortgage Note or Mortgage that
requires the signature of the Trustee, or if an instrument of release signed
by the Trustee is required releasing the Mortgagor from liability on the
Mortgage Loan, the Master Servicer shall prepare and deliver or cause to be
prepared and delivered to the Trustee for signature and shall direct, in
writing, the Trustee to execute the assumption agreement with the Person to
whom the Mortgaged Property is to be conveyed and such modification agreement
or supplement to the Mortgage Note or Mortgage or other instruments as are
reasonable or necessary to carry out the terms of the Mortgage Note or
Mortgage or otherwise to comply with any applicable laws regarding assumptions
or the transfer of the Mortgaged Property to such Person. In connection with
any such assumption, no material term of the Mortgage Note may be changed. In
addition, the substitute Mortgagor and the Mortgaged Property must be
acceptable to the Master Servicer in accordance with its underwriting
standards as then in effect. Together with each such substitution, assumption
or other agreement or instrument delivered to the Trustee for execution by it,
the Master Servicer shall deliver an Officer's Certificate signed by a
Servicing Officer stating that the requirements of this subsection have been
met in connection therewith. The Master Servicer shall notify the Trustee that
any such


                                     III-10
<PAGE>


substitution or assumption agreement has been completed by forwarding to the
Trustee the original of such substitution or assumption agreement, which in
the case of the original shall be added to the related Mortgage File and
shall, for all purposes, be considered a part of such Mortgage File to the
same extent as all other documents and instruments constituting a part
thereof. Any fee collected by the Master Servicer for entering into an
assumption or substitution of liability agreement will be retained by the
Master Servicer as additional servicing compensation.

            SECTION 3.11. Realization Upon Defaulted Mortgage Loans;
                          Repurchase of Certain Mortgage Loans.

            (a) The Master Servicer shall use reasonable efforts to foreclose
upon or otherwise comparably convert the ownership of 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.
In connection with such foreclosure or other conversion, the Master Servicer
shall follow such practices and procedures as it shall deem necessary or
advisable and as shall be normal and usual in its general mortgage servicing
activities and meet the requirements of the insurer under any Required
Insurance Policy; provided, however, that the Master Servicer shall not be
required to expend its own funds in connection with any foreclosure or towards
the restoration of any property unless it shall determine (i) that such
restoration and/or foreclosure will increase the proceeds of liquidation of
the Mortgage Loan after reimbursement to itself of such expenses and (ii) that
such expenses will be recoverable to it through the proceeds of liquidation of
the Mortgage Loan and Subsequent Recoveries (respecting which it shall have
priority for purposes of withdrawals from the Certificate Account). The Master
Servicer shall be responsible for all other costs and expenses incurred by it
in any such proceedings; provided, however, that it shall be entitled to
reimbursement thereof from the proceeds of liquidation of the Mortgage Loan
and Subsequent Recoveries with respect to the related Mortgaged Property, as
provided in the definition of Liquidation Proceeds. If the Master Servicer has
knowledge that a Mortgaged Property which the Master Servicer is contemplating
acquiring in foreclosure or by deed in lieu of foreclosure is located within a
1 mile radius of any site listed in the Expenditure Plan for the Hazardous
Substance Clean Up Bond Act of 1984 or other site with environmental or
hazardous waste risks known to the Master Servicer, the Master Servicer will,
prior to acquiring the Mortgaged Property, consider such risks and only take
action in accordance with its established environmental review procedures.

            With respect to any REO Property, the deed or certificate of sale
shall be taken in the name of the Trustee for the benefit of the
Certificateholders, or its nominee, on behalf of the Certificateholders. The
Trustee's name shall be placed on the title to such REO Property solely as the
Trustee hereunder and not in its individual capacity. The Master Servicer
shall ensure that the title to such REO Property references the Pooling and
Servicing Agreement and the Trustee's capacity thereunder. Pursuant to its
efforts to sell such REO Property, the Master Servicer shall either itself or
through an agent selected by the Master Servicer protect and conserve such REO
Property in the same manner and to such extent as is customary in the locality
where such REO Property is located and may, incident to its conservation and
protection of the interests of the Certificateholders, rent the same, or any
part thereof, as the Master Servicer deems to be in the best interest of the
Certificateholders for the period prior to the sale of such REO Property. The
Master Servicer shall prepare for and deliver to the Trustee a statement with
respect to each REO Property that has been rented showing the aggregate rental
income recei