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POOLING AND SERVICING AGREEMENT

Pooling and Servicing Agreement

POOLING AND SERVICING AGREEMENT | Document Parties: ALTERNATIVE LOAN TRUST 2006-OA22 | THE BANK OF NEW YORK | PARK SIENNA LLC | CWALT, INC You are currently viewing:
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ALTERNATIVE LOAN TRUST 2006-OA22 | THE BANK OF NEW YORK | PARK SIENNA LLC | CWALT, INC

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Title: POOLING AND SERVICING AGREEMENT
Governing Law: New York     Date: 12/20/2006

POOLING AND SERVICING AGREEMENT, Parties: alternative loan trust 2006-oa22 , the bank of new york , park sienna llc , cwalt  inc
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                                  EXHIBIT 99.1
                                  ------------


                                                                 EXECUTION COPY


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



                                   CWALT, 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 November 1, 2006

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

                        ALTERNATIVE LOAN TRUST 2006-OA22

              MORTGAGE PASS-THROUGH CERTIFICATES, SERIES 2006-OA22



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



<PAGE>

                               TABLE OF CONTENTS
                                                                           Page
                                                                            ----


ARTICLE I DEFINITIONS........................................................7

      SECTION 1.01.   Defined Terms...........................................7
      SECTION 1.02.   Certain Interpretive Principles........................40

ARTICLE II CONVEYANCE OF MORTGAGE LOANS; REPRESENTATIONS AND WARRANTIES.....41

      SECTION 2.01.   Conveyance of Mortgage Loans...........................41
      SECTION 2.02.   Acceptance by Trustee of the Mortgage Loans............45
      SECTION 2.03.   Representations, Warranties and Covenants of the
                     Sellers and Master Servicer............................47
      SECTION 2.04.   Representations and Warranties of the Depositor as
                      to the Mortgage Loans..................................50
      SECTION 2.05.   Delivery of Opinion of Counsel in Connection with
                     Substitutions..........................................50
      SECTION 2.06.   Execution and Delivery of Certificates.................51
      SECTION 2.07.   REMIC Matters..........................................51
      SECTION 2.08.   Covenants of the Master Servicer.......................51

ARTICLE III ADMINISTRATION AND SERVICING OF MORTGAGE LOANS..................52

      SECTION 3.01.   Master Servicer to Service Mortgage Loans..............52
      SECTION 3.02.   Subservicing; Enforcement of the Obligations of
                     Subservicers...........................................53
      SECTION 3.03.   Rights of the Depositor, the NIM Insurer and the
                     Trustee in Respect of the Master Servicer..............53
      SECTION 3.04.   Trustee to Act as Master Servicer......................54
      SECTION 3.05.   Collection of Mortgage Loan Payments; Certificate
                     Account; Distribution Account; Carryover Reserve
                     Fund; Principal Reserve Fund...........................54
      SECTION 3.06.   Collection of Taxes, Assessments and Similar
                      Items; Escrow Accounts.................................58
      SECTION 3.07.   Access to Certain Documentation and Information
                     Regarding the Mortgage Loans...........................58
      SECTION 3.08.   Permitted Withdrawals from the Certificate
                     Account; the Distribution Account, the Carryover
                     Reserve Fund and the Principal Reserve Fund............59
      SECTION 3.09.   Maintenance of Hazard Insurance; Maintenance of
                      Primary Insurance Policies.............................61
      SECTION 3.10.   Enforcement of Due-on-Sale Clauses; Assumption
                     Agreements.............................................62
      SECTION 3.11.   Realization Upon Defaulted Mortgage Loans;
                     Repurchase of Certain Mortgage Loans...................63
      SECTION 3.12.   Trustee to Cooperate; Release of Mortgage Files........67
      SECTION 3.13.   Documents, Records and Funds in Possession of
                      Master Servicer to be Held for the Trustee.............68


                                       i
<PAGE>

      SECTION 3.14.   Servicing Compensation.................................68
      SECTION 3.15.   Access to Certain Documentation........................69
      SECTION 3.16.   Annual Statement as to Compliance......................69
      SECTION 3.17.   Errors and Omissions Insurance; Fidelity Bonds.........69
      SECTION 3.18.   Notification of Adjustments............................70
      SECTION 3.19.   [Reserved].............................................70
      SECTION 3.20.   Prepayment Charges.....................................70

ARTICLE IV DISTRIBUTIONS AND ADVANCES BY THE MASTER SERVICER................72

      SECTION 4.01.   Advances...............................................72
      SECTION 4.02.   Priorities of Distribution.............................73
      SECTION 4.03.   Allocation of Net Deferred Interest....................75
      SECTION 4.04.   [Reserved].............................................76
      SECTION 4.05.   [Reserved].............................................76
      SECTION 4.06.   Monthly Statements to Certificateholders...............76
      SECTION 4.07.   Determination of Pass-Through Rates for COFI
                     Certificates...........................................76
      SECTION 4.08.   Determination of Pass-Through Rates for LIBOR
                     Certificates...........................................77
      SECTION 4.09.   [Reserved].............................................79

ARTICLE V THE CERTIFICATES..................................................80

      SECTION 5.01.   The Certificates.......................................80
      SECTION 5.02.   Certificate Register; Registration of Transfer and
                     Exchange of Certificates...............................81
      SECTION 5.03.   Mutilated, Destroyed, Lost or Stolen Certificates......86
      SECTION 5.04.   Persons Deemed Owners..................................86
      SECTION 5.05.   Access to List of Certificateholders' Names and
                     Addresses..............................................86
      SECTION 5.06.   Maintenance of Office or Agency........................87

ARTICLE VI THE DEPOSITOR AND THE MASTER SERVICER............................88

      SECTION 6.01.   Respective Liabilities of the Depositor and the
                     Master Servicer........................................88
      SECTION 6.02.   Merger or Consolidation of the Depositor or the
                     Master Servicer........................................88
      SECTION 6.03.   Limitation on Liability of the Depositor, the
                     Sellers, the Master Servicer, the NIM Insurer and
                      Others.................................................88
      SECTION 6.04.   Limitation on Resignation of Master Servicer...........89

ARTICLE VII DEFAULT.........................................................90

      SECTION 7.01.   Events of Default......................................90
      SECTION 7.02.   Trustee to Act; Appointment of Successor...............92
      SECTION 7.03.   Notification to Certificateholders.....................93

ARTICLE VIII CONCERNING THE TRUSTEE.........................................94

      SECTION 8.01.   Duties of Trustee......................................94
      SECTION 8.02.   Certain Matters Affecting the Trustee..................95


                                      ii
<PAGE>

      SECTION 8.03.   Trustee Not Liable for Certificates or Mortgage
                     Loans..................................................96
      SECTION 8.04.   Trustee May Own Certificates...........................96
      SECTION 8.05.   Trustee's Fees and Expenses............................96
      SECTION 8.06.   Eligibility Requirements for Trustee...................97
      SECTION 8.07.   Resignation and Removal of Trustee.....................97
      SECTION 8.08.   Successor Trustee......................................98
      SECTION 8.09.   Merger or Consolidation of Trustee.....................99
      SECTION 8.10.   Appointment of Co-Trustee or Separate Trustee..........99
      SECTION 8.11.   Tax Matters...........................................101
      SECTION 8.12.   Monitoring of Significance Percentage.................103

ARTICLE IX TERMINATION.....................................................104

      SECTION 9.01.   Termination upon Liquidation or Purchase of all
                     Mortgage Loans........................................104
      SECTION 9.02.   Final Distribution on the Certificates................104
      SECTION 9.03.   Additional Termination Requirements...................106
      SECTION 9.04.   Auction of the Mortgage Loans and REO Properties......107

ARTICLE X MISCELLANEOUS PROVISIONS.........................................111

      SECTION 10.01. Amendment.............................................111
      SECTION 10.02. Recordation of Agreement; Counterparts................112
      SECTION 10.03. Governing Law.........................................113
      SECTION 10.04. Intention of Parties..................................113
      SECTION 10.05. Notices...............................................114
       SECTION 10.06. Severability of Provisions............................115
      SECTION 10.07. Assignment............................................116
      SECTION 10.08. Limitation on Rights of Certificateholders............116
      SECTION 10.09. Inspection and Audit Rights...........................116
      SECTION 10.10. Certificates Nonassessable and Fully Paid.............117
      SECTION 10.11. [Reserved]............................................117
      SECTION 10.12. Protection of Assets..................................117
      SECTION 10.13. Rights of NIM Insurer.................................117

ARTICLE XI EXCHANGE ACT REPORTING..........................................119

      SECTION 11.01. Filing Obligations....................................119
      SECTION 11.02. Form 10-D Filings.....................................119
      SECTION 11.03. Form 8-K Filings......................................120
      SECTION 11.04. Form 10-K Filings.....................................120
      SECTION 11.05. Sarbanes-Oxley Certification..........................121
      SECTION 11.06. Form 15 Filing........................................121
      SECTION 11.07. Report on Assessment of Compliance and Attestation....122
      SECTION 11.08. Use of Subservicers and Subcontractors................123
      SECTION 11.09. Amendments............................................124
      SECTION 11.10. Reconciliation of Accounts............................124


                                       iii
<PAGE>


                                   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.......S-II-C-1
Schedule II-D:     Representations and Warranties of Park Sienna.......S-II-D-1
Schedule III-A:    Representations and Warranties of
                   Countrywide as to all of 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 as to the Park Monaco Mortgage
                  Loans..............................................S-III-D-1
Schedule III-E:    Representations and Warranties of Park
                   Sienna as to the Park Sienna Mortgage
                  Loans..............................................S-III-E-1
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-1
Schedule VII:      Prepayment Charge Schedule...........................S-VII-1

                                    EXHIBITS

Exhibit A:          Form of Senior 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:       Form of Class C-P Certificate..........................C-2-1
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

                                      iv
<PAGE>

Exhibit P:         [Reserved]...............................................P-1
Exhibit Q:         Standard & Poor's LEVELS(R) Version 5.7 Glossary
                  Revised,
                   Appendix E...............................................Q-1
Exhibit R:         [Reserved]...............................................R-1
Exhibit S-1:       [Reserved].............................................S-1-1
Exhibit S-2:       [Reserved].............................................S-2-1
Exhibit T:         Form of Officer's Certificate with respect to
                  Prepayments..............................................T-1
Exhibit U:         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
                  Master Servicer).........................................Y-1


                                       v
<PAGE>


      THIS POOLING AND SERVICING AGREEMENT, dated as of November 1, 2006, among
CWALT, 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 contained in this Agreement,
the parties to this Agreement 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 Trust Fund (excluding the Carryover Reserve Fund), will consist of two real
estate mortgage investment conduits (each a "REMIC" or, in the alternative, the
"Subsidiary REMIC" and the "Master REMIC," respectively). Each Certificate,
other than the Class A-R Certificate, will represent ownership of one or more
regular interests in the Master REMIC for purposes of the REMIC Provisions. The
Class A-R Certificate represents ownership of the sole class of residual
interest in each of the Subsidiary REMIC and the Master REMIC. The Master REMIC
will hold as assets the several classes of uncertificated Subsidiary REMIC
Interests (other than the SR-A-R Interest). The Subsidiary REMIC will hold as
assets the all the property of the Trust Fund (excluding the Carryover Reserve
Fund). For federal income tax purposes, each Subsidiary REMIC Interest and
Master REMIC Interest (except the SR-A-R Interest and the A-R Interest) is
hereby designated as a regular interest in its issuing REMIC. The latest
possible maturity date of all REMIC regular interests created hereby shall be
the Latest Possible Maturity Date.



                                       1
<PAGE>

Subsidiary REMIC:

      The following table specifies the Class designation, interest rate, and
principal amount for each Class of Subsidiary REMIC Interests:

                                                                 Corresponding
     Subsidiary        Initial Principal                             Class of
  REMIC Interests           Balance         Pass-Through Rate      Certificates
SR-A-1                        (1)                  (2)               Class A-1
SR-A-2                        (1)                  (2)               Class A-2
SR-A-3                        (1)                  (2)               Class A-3
SR-$100                      $100                  (2)                Class A-R
SR-M-1                        (1)                  (2)               Class M-1
SR-M-2                        (1)                  (2)               Class M-2
SR-M-3                        (1)                  (2)               Class M-3
SR-M-4                         (1)                  (2)               Class M-4
SR-M-5                        (1)                  (2)               Class M-5
SR-M-6                        (1)                  (2)               Class M-6
SR-M-7                        (1)                   (2)               Class M-7
SR-M-8                        (1)                  (2)               Class M-8
SR-M-9                        (1)                  (2)               Class M-9
SR-C-P                        (1)                (2)(3)              Class C-P
SR-A-R                        (4)                  (4)                  N/A
---------------
(1)    On each Distribution Date, following the allocation of scheduled
      principal, Principal Prepayments and Realized Losses, the Class SR-A-1
      Interest, Class SR-A-2 Interest, Class SR-A-3 Interest, Class SR-$100
      Interest, Class SR-M-1 Interest, Class SR-M-2 Interest, Class SR-M-3
      Interest, Class SR-M-4 Interest, Class SR-M-5 Interest, Class SR-M-6
      Interest, Class SR-M-7 Interest, Class SR-M-8 Interest and Class SR-M-9
      Interest will each have a principal balance that is equal to 100% of its
      corresponding Class of Certificates issued by the Master REMIC, and the
      Class SR-C-P Interest will have a principal balance that is equal to the
      Overcollateralized Amount.

(2)    The interest rate with respect to any Distribution Date (and the related
      Interest Accrual Period) for this Subsidiary REMIC Interest is a per
      annum rate equal to the Weighted Average Adjusted Net Mortgage Rate of
      the Mortgage Loans.

(3)    The Class SR-C-P Interest will be entitled to all Prepayment Charge
      Amounts received in respect of the Mortgage Loans.

(4)    The Class SR-A-R Interest is the sole class of residual interest in the
      Subsidiary REMIC. It has no principal balance and pays no principal or
      interest.

      On each Distribution Date, the Interest Funds, the Principal Distribution
Amount and the Prepayment Charges will be payable with respect to the
Subsidiary REMIC Interests in the following manner:

      (1) Interest. Interest is to be distributed with respect to each
      Subsidiary REMIC Interest at the rate or according to the formulas
      described above.


                                        2
<PAGE>

      (2) Prepayment Charge Amounts. All Prepayment Charge Amounts will be
      allocated to the Class SR-C-P Interest.

      (3) Principal. Principal (including Subsequent Recoveries) shall be
      allocated among the Subsidiary REMIC Interests in the same manner that
      such items are allocated among their corresponding Classes of
      Certificates.


Master REMIC:

      The Master REMIC Certificates will have the original certificate
principal balances and pass-through rates as set forth in the following table:

---------------------------------------------------------------------------
       Class                Original Class            Pass-Through Rate
                        Certificate Balance
---------------------------------------------------------------------------
Class A-1                   $206,716,000.00                  (1)
---------------------------------------------------------------------------
Class A-2                    $86,131,000.00                  (1)
---------------------------------------------------------------------------
Class A-3                    $51,678,000.00                  (1)
---------------------------------------------------------------------------
Class M-1                    $10,405,000.00                   (1)
---------------------------------------------------------------------------
Class M-2                     $7,515,000.00                  (1)
---------------------------------------------------------------------------
Class M-3                     $2,505,000.00                  (1)
---------------------------------------------------------------------------
Class M-4                     $5,395,000.00                  (1)
---------------------------------------------------------------------------
Class M-5                      $2,505,000.00                  (1)
---------------------------------------------------------------------------
Class M-6                     $1,927,000.00                  (1)
---------------------------------------------------------------------------
Class M-7                     $2,312,000.00                  (1)
---------------------------------------------------------------------------
Class M-8                     $1,927,000.00                  (1)
---------------------------------------------------------------------------
Class M-9                     $1,927,000.00                  (1)
---------------------------------------------------------------------------
Class C-P                     (2)                           (3)(4)
---------------------------------------------------------------------------
Class A-R                           $100.00                  (5)
---------------------------------------------------------------------------
---------------
(1)    Each Class of Certificates will accrue interest at the related
      Pass-Through Rate.

(2)    For federal income tax purposes, the Class C-P Certificate has an
      Original Class Certificate Balance equal to the Overcollateralized Amount
      as of the Closing Date.

(3)    For each Interest Accrual Period the Class C-P Certificates are entitled
      to the "Class C-P Distributable Amount," which shall equal the sum of (i)
      a specified portion of the interest on each of the Subsidiary REMIC
      Regular Interests (excluding the SR-P Interest, the SR-C Interest and the
      SR-$100 Interest) in an amount equal to the excess of the Pass-Through
      Rate in respect of the Subsidiary REMIC Regular Interest over the
      Pass-Through Rate in respect of the corresponding Class of Certificates
      of each such Subsidiary REMIC Regular Interest, and (ii) all accruals of
      interest and collections of scheduled principal and Principal Prepayments
      allocated to the SR-C Interest. The Class C-P Distributable Amount for
      any Distribution Date is payable from current interest on the Mortgage
      Loans and any related Overcollateralization Reduction Amount for that
      Distribution Date.


                                       3
<PAGE>

(4)    For each Distribution Date the Class C-P Certificates are entitled to all
      Prepayment Charge Amounts distributed with respect to the Class SR-P
      Interests.

(5)    The Class A-R Certificates represent the sole class of residual interest
      in each REMIC created hereunder. The Pass-Through Rate for the Class A-R
      Certificates and any Interest Accrual Period will be a per annum rate
      equal to the Weighted Average Adjusted Net Mortgage Rate of the Mortgage
      Loans.

      It is not intended that the Class A-R Certificates be entitled to any
cash flows pursuant to this agreement except as provided in Sections 4.02(a)
and 4.02(b) hereunder (that is, its entitlement to $100.00 and interest
thereon).

      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.



                                        4
<PAGE>


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

Accretion Directed
Certificates...............    None.

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

Accrual Certificates.......    None.

Accrual Components.........    None.

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

COFI 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 Component    Pass-Through
                                Designation    Principal Balance         Rate
                                -----------    -----------------    -------------
                                   N/A               N/A                N/A


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

ERISA-Restricted
Certificates...............    The Offered Certificates (other than the
                              Class A-1 Certificates) and the Private
                              Certificates; and any Certificate of a Class
                              that ceases to satisfy the applicable rating
                              requirement under the Underwriter's
                              exemption.

Inverse Floating Rate
Certificates...............    None.

LIBOR Certificates.........    The Senior Certificates (other than the Class
                              A-R Certificates) and the Subordinated
                              Certificates.


                                  5
<PAGE>

Non-Delay Certificates.....    The LIBOR Certificates.

Notional Amount
Certificates...............    None.

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

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

Planned Principal Classes      None.

Planned Principal
Components.................    None.

Principal Only
Certificates...............    None.

Private Certificates.......    The Class C-P Certificates.

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

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

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

Scheduled Principal
Classes....................    None.

Senior Certificates........    The Class A-1, Class A-2, Class A-3 and
                              Class A-R Certificates.

Subordinated Certificates..    The Class M-1, Class M-2, Class M-3, Class M-4,
                              Class M-5, Class M-6, Class M-7, Class M-8 and
                              Class M-9 Certificates.

Targeted Principal
Classes....................    None.

Underwriter................    Countrywide Securities Corporation.

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


                                   6
<PAGE>

                                   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:

      Acceptable Bid Amount: Either (i) a bid equal to or greater than the
Minimum Auction Amount or (ii) the highest bid submitted by a Qualified Bidder
in an auction if the Directing Certificateholder agrees to pay the related
Auction Supplement Amount.

      Account:   Any Escrow Account, the Certificate Account, the
Distribution Account, the Carryover Reserve Fund, the Principal Reserve
Fund or any other account related to the Trust Fund or the Mortgage
Loans.

       Accretion Directed Classes:   As specified in the Preliminary
Statement.

      Additional Designated Information:   As defined in Section 11.02.

      Adjusted Cap Rate: For any Distribution Date and Class of Offered
Certificates, the excess, if any, of the Net Rate Cap for such Distribution
Date, over a fraction expressed as a percentage, the numerator of which is
equal to the product of (i) a fraction, the numerator of which is 360 and the
denominator of which is the actual number of days in the related Interest
Accrual Period and (ii) the amount of Net Deferred Interest for the Mortgage
Loans for that Distribution Date, and the denominator of which is the aggregate
Stated Principal Balance of the Mortgage Loans as of the Due Date occurring in
the month preceding the month of that Distribution Date (after giving effect to
Principal Prepayments in the Prepayment Period related that prior Due Date).

      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 related Expense Fee
Rate.

      Adjustment Date: A date specified in each Mortgage Note as a date on
which the Mortgage Rate on the related Mortgage Loan will be adjusted.

      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.



                                  7
<PAGE>

      Agreement: This Pooling and Servicing Agreement and all amendments or
supplements to this Pooling and Servicing Agreement.

      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.

      Applied Realized Loss Amount: With respect to any Distribution Date, the
sum of the Realized Losses which are to be applied in reduction of the Class
Certificate Balances of any Class of Certificates pursuant to this Agreement,
which, in the case of the Subordinated Certificates, shall equal the amount, if
any, by which the aggregate Class Certificate Balance of all Senior and
Subordinated Certificates (after all distributions of principal on such
Distribution Date) exceeds the aggregate Stated Principal Balance of the
Mortgage Loans as of the Due Date in the month in which such Distribution Date
occurs (after giving effect to Principal Prepayments and Liquidation Proceeds
allocated to principal and Subsequent Recoveries received in the related
Prepayment Period).

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

      Auction Supplement Amount:   As defined in Section 9.04(c).

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

      Bid Determination Date:   As defined in Section 9.04(b).

      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.


                                   8
<PAGE>

      Carryover Reserve Fund: The separate Eligible Account created and
initially maintained by the Trustee pursuant to Section 3.05(g) in the name of
the Trustee for the benefit of the Holders of the LIBOR Certificates and
designated "The Bank of New York in trust for registered holders of CWALT,
Inc., Alternative Loan Trust 2006-OA22, Mortgage Pass-Through Certificates,
Series 2006-OA22." Funds in the Carryover Reserve Fund shall be held in trust
for the Holders of the LIBOR Certificates for the uses and purposes set forth
in this Agreement.

      Certificate: Any one of the Certificates executed by the Trustee in
substantially the forms attached this Agreement 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 Alternative Loan Trust 2006-OA22, Mortgage Pass-Through Certificates
Series 2006-OA22."

      Certificate Balance: With respect to any Certificate (other than the
Class C-P Certificates) at any date, the maximum dollar amount of principal to
which the Holder thereof is then entitled under this Agreement, such amount
being equal to the Denomination of that Certificate (A) plus, with respect to
the Offered Certificates, any increase to the Certificate Balance of such
Certificate pursuant to Section 4.02 due to the receipt of Subsequent
Recoveries and (B) minus the sum of (i) all distributions of principal
previously made with respect to that Certificate and (ii) with respect to the
Offered Certificates, any Applied Realized Loss Amounts allocated to such
Certificate on previous Distribution Dates pursuant to Section 4.02 without
duplication and (C) increased by the amount of Net Deferred Interest allocated
to the applicable Class or Component pursuant to Section 4.03.

      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
under this Agreement, 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.

      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 of this
Agreement (other than the second sentence of Section 10.01) that requires the
consent of the Holders of Certificates of a particular Class as a condition to
the taking of any action under this Agreement. The Trustee is entitled to rely
conclusively on a certification of the Depositor or any


                                  9
<PAGE>

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 C-P Distributable Amount:   As defined in the Preliminary
Statement.

      Class Certificate Balance: With respect to any Class of Certificates
other than the Class C-P Certificates and as to any date of determination, the
aggregate of the Certificate Balances of all Certificates of such Class as of
such date. With respect to the Class C-P Certificates and any Distribution
Date, the excess, if any, of the aggregate Stated Principal Balance of the
Mortgage Loans as of the Due Date in the prior calendar month (after giving
effect to Principal Prepayments, the principal portion of any Liquidation
Proceeds and any Subsequent Recoveries received in the Prepayment Period
related to that prior Due Date) over the aggregate Class Certificate Balance of
the Offered Certificates immediately prior to that Distribution Date.

      Closing Date:   December 11, 2006.

      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.

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

      Compensating Interest: As to any Distribution Date, an amount equal to
the product of 50% and the aggregate Master Servicing Fee payable to the Master
Servicer for that Distribution Date.

      Component:   As specified in the Preliminary Statement.

      Component Balance: Not applicable.

      Component Certificates:   As specified in the Preliminary
Statement.

      Component Notional Amount:   Not applicable.

      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


                                      10
<PAGE>

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, 4 West, New
York, New York 10286 (Attn: Mortgage-Backed Securities Group, CWALT, Inc.
Series 2006-OA22, facsimile no. (212) 815-3986), and which is the address to
which notices to and correspondence with the Trustee should be directed.

      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.

      Countrywide Servicing: Countrywide Home Loans Servicing LP, a
Texas limited partnership and its successors and assigns.

      Covered Certificates:   Not applicable.

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

Distribution Date                 Percentage
-----------------                 ----------



                                      11
<PAGE>

Distribution Date                 Percentage
-----------------                 ----------
December 2008 - November 2009... 0.20% with respect to December 2008, plus an
                                    additional 1/12th of 0.25% for each month
                                    thereafter through November 2009
December 2009 - November 2010... 0.45% with respect to December 2009, plus an
                                    additional 1/12th of 0.30% for each month
                                    thereafter through November 2010
December 2010 - November 2011... 0.75% with respect to December 2010, plus an
                                    additional 1/12th of 0.35% for each month
                                    thereafter through November 2011
December 2011 - November 2012... 1.10% with respect to December 2011, plus an
                                     additional 1/12th of 0.40% for each month
                                    thereafter through November 2012
December 2012 - November 2013... 1.50% with respect to December 2012, plus an
                                    additional 1/12th of 0.15% for each month
                                    thereafter through November 2013
December 2013 and thereafter.... 1.65%


      Current Interest: With respect to each Class of Offered Certificates and
each Distribution Date, the excess, if any, of (i) interest accrued at the
applicable Pass-Through Rate for the applicable Interest Accrual Period on the
Class Certificate Balance of such Class immediately prior to such Distribution
Date over (ii) the Net Deferred Interest, if any, allocated to that Class for
such Distribution Date pursuant to Section 4.03.

      Cut-off Date: As to any Mortgage Loan, the later of the date of
origination of that Mortgage Loan and November 1, 2006.

      Cut-off Date Pool Principal Balance:   $385,374,187.

      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 that 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 that is required to be
repurchased pursuant to Section 2.02 or 2.03.

      Deferred Interest: With respect to each Mortgage Loan and Due Period, the
amount of interest accrued on such Mortgage Loan at the applicable Mortgage
Rate from the Due Date in the preceding Due Period to the Due Date in such Due
Period that is greater than the Scheduled Payment due on such Mortgage Loan for
such Due Period and that is added to the principal balance of such Mortgage
Loan in accordance with the terms of the related Mortgage Note.


                                      12
<PAGE>

      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).

      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. With respect to up to 50% of the Mortgage Loans, the Depositor
may deliver all or a portion of each related Mortgage File to the Trustee not
later than thirty days after the Closing Date. To the extent that Countrywide
Servicing shall be in possession of any Mortgage Files with respect to any
Delay Delivery Mortgage Loan, until delivery of such Mortgage File to the
Trustee as provided in Section 2.01, Countrywide Servicing 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).

      Delinquency Trigger Event: With respect to a Distribution Date on or
after the Stepdown Date exists if the Rolling Sixty-Day Delinquency Rate equals
or exceeds the product of (i) the Senior Enhancement Percentage for such
Distribution Date and (ii) the applicable percentage listed below for the most
senior Class of Certificates then outstanding.

                 Class         Percentage (1)    Percentage (2)
             -------------    --------------    --------------
             Senior
             Certificates..       26.250%         33.000%
             M-1...........       35.000%         44.250%
              M-2...........       46.750%         58.750%
             M-3...........       52.500%         66.000%
             M-4...........       71.250%         89.500%
             M-5...........       85.500%        107.500%
             M-6...........      101.000%         127.000%
             M-7...........      129.250%        162.500%
             M-8...........      168.500%        212.000%
             M-9...........      241.750%        304.000%
---------
(1)    For any Distribution Date occurring on or after the Distribution Date
      occurring in December 2009 and prior to the Distribution Date occurring
      in December 2012.
(2)    For any Distribution Date occurring on or after the Distribution Date
      occurring in December 2012.


                                       13
<PAGE>

      Denomination: With respect to each Certificate, the amount set forth on
the face of that Certificate 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 of that
Certificate.

      Depositor:   CWALT, 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 that is two
Business Days preceding such Distribution Date.

      Directing Certificateholder:   As defined in Section 9.04(a).

      Distribution Account: The separate Eligible Account created and
maintained by the Trustee pursuant to Section 3.05(d) 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 Alternative Loan Trust 2006-OA22,
Mortgage Pass-Through Certificates, Series 2006-OA22." 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 December 2006.

      Due Date: With respect to a Mortgage Loan, the date on which Scheduled
Payments are due on that Mortgage Loan. With respect to any Distribution Date,
the related Due Date is the first day of the calendar month in which that
Distribution Date occurs.

      Due Period: With respect to any Distribution Date, the period beginning
on the second day of the calendar month preceding the month in which such
Distribution Date occurs and ending on the first day of the calendar month in
which such Distribution Date occurs.

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



                                      14
<PAGE>

      Eligible Account: Any of (i) an account or accounts maintained with a
federal or state chartered depository institution or trust company the
short-term unsecured debt obligations of which (or, in the case of a depository
institution or trust company that is the principal subsidiary of a holding
company, the debt obligations of such holding company) have 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 EPD Protected Mortgage Loan: A Mortgage Loan that (i) was
originated not more than one year prior to the Closing Date, (ii) was purchased
by a Seller or one of its affiliates pursuant to a purchase agreement
containing provisions under which the seller thereunder has become obligated to
repurchase such Mortgage Loan from Countrywide due to a Scheduled Payment due
on or prior to the first Scheduled Payment owing to the Trust Fund becoming
delinquent and (iii) was not purchased through Countrywide Home Loan Inc.'s
Correspondent Lending Division.

      Eligible Repurchase Month:   As defined in Section 3.11.

      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.

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

      Event of Default:   As defined in Section 7.01.

      Excess Cashflow: With respect to any Distribution Date the sum of (i) the
amount remaining as set forth in Section 4.02(a)(iii) and (ii) the amount
remaining as set forth in Section 4.02(b)(i)(B)(ii) or 4.02(b)(ii)(B)(ii), as
applicable, in each case for such Distribution Date.

      Excess Overcollateralization Amount: With respect to any Distribution
Date, the excess, if any, of the Overcollateralized Amount for such
Distribution Date over the Overcollateralization Target Amount for such
Distribution Date.



                                      15
<PAGE>

      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.

      Expense Fee: As to each Mortgage Loan and any Distribution Date, the
product of the related Expense Fee Rate and its Stated Principal Balance as of
that Distribution Date.

      Expense Fee Rate: As to each Mortgage Loan and any date of determination,
the sum of (a) the related Master Servicing Fee Rate and (b) the Trustee Fee
Rate.

      Extra Principal Distribution Amount: With respect to any Distribution
Date, the lesser of (1) the Overcollateralization Deficiency Amount and (2) the
Excess Cashflow available for payment pursuant to Section 4.02(c).

      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 to the
Federal Home Loan Mortgage Corporation.

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

      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 to the Federal
National Mortgage Association.


                                      16
<PAGE>

      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, any 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.

      Gross Margin: With respect to each Mortgage Loan, the fixed percentage
set forth in the related Mortgage Note that is added to the Mortgage Index on
each Adjustment Date in accordance with the terms of the related Mortgage Note
used to determine the Mortgage Rate for such Mortgage Loan.

      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.

      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).

      Initial Component Balance:   As specified in the Preliminary
Statement.

      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 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 REMIC Regular
Interest and any Distribution Date, the period commencing on the Distribution
Date in the month preceding the month in which such Distribution Date occurs
(other than the first Distribution Date, for which it is the Closing Date) and
ending on the day preceding such Distribution Date.

      Interest Carry Forward Amount: With respect to each Class of Offered
Certificates and each Distribution Date, the excess of (i) the Current Interest
for such Class with respect to prior Distribution Dates over (ii) the amount
actually distributed to such Class with respect to interest on such prior
Distribution Dates.



                                       17
<PAGE>

      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 Funds: With respect to any Distribution Date, an amount equal to
(a) the sum of the Interest Remittance Amount for that Distribution Date and
the lesser of (i) the Deferred Interest that accrued on the Mortgage Loans for
the related Due Period and (ii) the Principal Prepayment Amount for such
Distribution Date, minus (b) the Trustee Fee for such Distribution Date.

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

      Investment Letter: As defined in Section 5.02(b).

      Item 1119 Party: The Depositor, any Seller, the Master Servicer, the
Trustee, any Subservicer, any originator identified in the Prospectus
Supplement 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 Mortgagor) acquires the Primary Insurance Policy and charges
the related Mortgagor 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.

      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) that 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


                                       18
<PAGE>

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 that 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.

      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 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, the rate
set forth in the Mortgage Loan Schedule for such Mortgage Loan.

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

      Maximum Negative Amortization: With respect to each Mortgage Loan, the
percentage set forth in the related Mortgage Note as the percentage of the
original principal balance of Mortgage Note, that if exceeded due to Deferred
Interest, will result in a recalculation of the


                                      19
<PAGE>

Scheduled Payment so that the then unpaid principal balance of the Mortgage
Note will be fully amortized over the Mortgage Loan's remaining term to
maturity.

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

      MERS Mortgage Loan:   Any Mortgage Loan registered with MERS on
the MERS(R) 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.

      Minimum Auction Amount: With respect to any auction of the Mortgage Loans
and any REO Properties pursuant to Section 9.04, the sum of (i) the Termination
Price that would be payable by the NIM Insurer if the Optional Termination were
exercised in the following calendar month pursuant to Section 9.01 and (ii) all
reasonable fees and expenses incurred by the Trustee in connection with any
auction conducted pursuant to Section 9.04.

      Minimum Mortgage Rate: With respect to each Mortgage Loan, the minimum
rate of interest set forth as such in the related Mortgage Note, which, with
respect to certain Mortgage Loans is equal to the related Gross Margin.

      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 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 Index: As to each Mortgage Loan, the index from time to time in
effect for adjustment of the Mortgage Rate as set forth as such on the related
Mortgage Note.



                                      20
<PAGE>

      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 to this Agreement as Schedule
I, setting forth the following information with respect to each Mortgage Loan:

            (i) the loan number;

            (ii) [Reserved];

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

            (iv) the maturity date;

            (v) the original principal balance;

            (vi) the Cut-off Date Principal Balance;

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

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

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

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

            (xi) a code indicating whether the residential dwelling is either
            (a) a detached or attached 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;

            (xii) the Mortgage Rate in effect as of the Cut-off Date;

            (xiii) the initial Payment Adjustment Date for each Mortgage Loan;

            (xiv) 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;

            (xv) the purpose for the Mortgage Loan;

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



                                      21
<PAGE>

            (xvii) 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;

            (xviii) the direct servicer of such Mortgage Loan as of the Cut-off
            Date;

            (xix) a code indicating whether the Mortgage Loan is a MERS
            Mortgage Loan; and

            (xx) with respect to each Mortgage Loan, the Gross Margin, the
            Mortgage Index, the Maximum Mortgage Rate, the Minimum Mortgage
            Rate, the first Adjustment Date, the Payment Adjustment Date and
            the Maximum Negative Amortization for such Mortgage Loan.

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

      Mortgage Loans: Such of the mortgage loans as from time to time are
transferred and assigned to the Trustee pursuant to the provisions of this
Agreement 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 Note: The original executed note or other evidence of
indebtedness evidencing the indebtedness of a Mortgagor under a Mortgage Loan.

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

      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.

      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 Deferred Interest: With respect to each Distribution Date, an amount
equal to the excess, if any, of the Deferred Interest that accrued on the
Mortgage Loans from the preceding Due Date to the Due Date related to that
Distribution Date over the Principal Prepayment Amount for that Distribution
Date.



                                      22
<PAGE>

      Net Prepayment Interest Shortfalls: As to any Distribution Date, the
excess of the amount of the aggregate Prepayment Interest Shortfalls for such
Distribution Date over the Compensating Interest for such Distribution Date.

      Net Rate Cap: For each Distribution Date, the product of (1) the Weighted
Average Adjusted Net Mortgage Rate as of the Due Date in the prior calendar
month (after giving effect to Principal Prepayments in the Prepayment Period
related to that prior Due Date) and (2) a fraction, the numerator of which is
30, and the denominator of which is the actual number of days that elapsed in
the related Interest Accrual Period.

      Net Rate Carryover: For any Class of LIBOR Certificates and any
Distribution Date, the sum of (A) the excess, if any, of (i) the amount of
interest that such Class would otherwise have accrued for such Distribution
Date had the applicable Pass-Through Rate for such Class not been determined
based on the Net Rate Cap, over (ii) the amount of interest accrued on such
Class at the Net Rate Cap for such Distribution Date and (B) the Net Rate
Carryover for such Class for all previous Distribution Dates not previously
paid pursuant to Section 4.02, together with interest thereon at the then
applicable Pass-Through Rate for such Class, without giving effect to the Net
Rate Cap.

      NIM Insurer: Any insurer guarantying at the request of Countrywide
certain payments under notes backed or secured by the Class C-P Certificates.

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

      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:   Not applicable.

      Notional Amount Certificates:   As specified in the Preliminary
Statement.

      OC Floor: An amount equal to 0.50% of the Cut-off Date Pool Principal
Balance.

      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,



                                      23
<PAGE>

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.

      One-Year LIBOR: As of any date of determination, the per annum rate equal
to the average of the London interbank offered rates for one-year U.S. dollar
deposits in the London market, generally as set forth in either The Wall Street
Journal or some other source generally accepted in the residential mortgage
loan origination business and specified in the related Mortgage Note, or, if
such rate ceases to be published in The Wall Street Journal or becomes
unavailable for any reason, then based upon a new index selected by the Master
Servicer, based on comparable information, in each case, as most recently
announced as of either 45 days prior to, or the first business day of the month
immediately preceding the month of, such Adjustment Date.

      Opinion of Counsel: A written opinion of counsel, who may be counsel for
the Depositor, any Seller 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 the Depositor, any Seller and the Master
Servicer, (ii) not have any direct financial interest in the Depositor, any
Seller or the Master Servicer or in any affiliate thereof, and (iii) not be
connected with the Depositor, any Seller or the Master Servicer as an officer,
employee, promoter, underwriter, trustee, partner, director or person
performing similar functions.

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

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

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

      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.



                                      24
<PAGE>

      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 the end of the related Prepayment Period
and which did not become a Liquidated Mortgage Loan prior to the end of the
related Prepayment Period.

      Overcollateralization Deficiency Amount: With respect to any Distribution
Date, the amount, if any, by which the Overcollateralization Target Amount
exceeds the Overcollateralized Amount on such Distribution Date (after giving
effect to distributions in respect of the Principal Remittance Amount on such
Distribution Date).

      Overcollateralization Reduction Amount: With respect to any Distribution
Date, an amount equal to the lesser of (i) the Excess Overcollateralization
Amount for such Distribution Date and (ii) the Principal Remittance Amount for
such Distribution Date.

      Overcollateralization Target Amount: With respect to any Distribution
Date (a) prior to the Stepdown Date, an amount equal to 1.150% of the aggregate
Stated Principal Balance of the Mortgage Loans as of the Cut-off Date and (b)
on or after the Stepdown Date, the greater of (i) (x) for any Distribution Date
prior to the Distribution Date in December 2012, 2.875% and (y) for any
Distribution Date on or after the Distribution Date in December 2012, 2.300%,
in each case of the aggregate Stated Principal Balance of the Mortgage Loans as
of the Due Date in the month of applicable Distribution Date (after giving
effect to Principal Prepayments received in the related Prepayment Period) and
(ii) the OC Floor; provided, however, that if a Trigger Event is in effect on
any Distribution Date, the Overcollateralization Target Amount will be the
Overcollateralization Target Amount as in effect for the prior Distribution
Date.

      Overcollateralized Amount: For any Distribution Date, the amount, if any,
by which (x) the aggregate Stated Principal Balance of the Mortgage Loans as of
the Due Date in the month of that Distribution Date (after giving effect to
Principal Prepayments, the principal portion of any Liquidation Proceeds and
any Subsequent Recoveries received in the related Prepayment Period) exceeds
(y) the aggregate Class Certificate Balance of the Offered Certificates as of
such Distribution Date (after giving effect to distributions of the Principal
Remittance Amount to be made on such Distribution Date).

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

      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.



                                      25
<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 Margin: With respect to the Interest Accrual Period for any
Distribution Date and Class of LIBOR Certificates, the per annum rate indicated
in the following table:

            ----------------------------------------------------
                                 Pass-Through      Pass-Through
                  Class           Margin (1)        Margin (2)
            ----------------------------------------------------
            Class A-1               0.160%            0.320%
            ----------------------------------------------------
            Class A-2               0.210%            0.420%
            ----------------------------------------------------
            Class A-3               0.240%            0.480%
            ----------------------------------------------------
            Class M-1               0.380%            0.570%
            ----------------------------------------------------
            Class M-2               0.400%            0.600%
            ----------------------------------------------------
            Class M-3               0.420%            0.630%
            ----------------------------------------------------
            Class M-4               0.550%            0.825%
            ----------------------------------------------------
            Class M-5               0.600%            0.900%
            ----------------------------------------------------
            Class M-6               0.700%            1.050%
            ----------------------------------------------------
            Class M-7               1.150%            1.725%
            ----------------------------------------------------
            Class M-8               1.450%            2.175%
            ----------------------------------------------------
             Class M-9               2.250%            3.375%
            ----------------------------------------------------

            (1)    For the Interest Accrual Period related to any Distribution
                  Date occurring on or prior to the Optional Termination Date.
            (2)    For the Interest Accrual Period related to any Distribution
                  Date occurring after the Optional Termination Date.

       Pass-Through Rate: With respect to any Interest Accrual Period and each
Class of LIBOR Certificates, the lesser of (x) LIBOR for such Interest Accrual
Period plus the applicable Pass-Through Margin for such Class and Interest
Accrual Period and (y) the Net Rate Cap for the related Distribution Date. With
respect to any Interest Accrual Period and the Class A-R Certificates, the
Weighted Average Adjusted Net Mortgage Rate for the related Distribution Date.

      Payment Adjustment Date: For each Mortgage Loan, the date specified in
the related Mortgage Note as the annual date on which the related Scheduled
Payment will be adjusted.

      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. With



                                      26
<PAGE>

respect to the Class C-P and Class A-R Certificates, the portion of the Class
evidenced thereby, expressed as a percentage, as stated on the face of such
Certificate.

      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;

            (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



                                      27
<PAGE>

            Agency, as evidenced by a signed writing delivered by each Rating
            Agency, and reasonably acceptable to the NIM Insurer, as evidenced
            by a signed writing delivered by the NIM Insurer;

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)(1) 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 created under this Agreement 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, joint venture,
association, 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.

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



                                      28
<PAGE>

      Prepayment Charge: With respect to any Mortgage Loan, the charges or
premiums, if any, due in connection with a full or partial prepayment of such
Mortgage Loan within the related Prepayment Charge Period in accordance with
the terms thereof.

      Prepayment Charge Amount: As to any Distribution Date, the sum of the
Prepayment Charges collected on the Mortgage Loans during the related
Prepayment Period and any amounts paid pursuant to Section 3.20 with respect to
such Distribution Date.

      Prepayment Charge Period: With respect to any Mortgage Loan, the period
of time during which a Prepayment Charge may be imposed.

      Prepayment Charge Schedule: As of the Cut-off Date with respect to each
Mortgage Loan, a list attached hereto as Schedule VII (including the prepayment
charge summary attached thereto), setting forth the following information with
respect to each Prepayment Charge:

            (i) the Mortgage Loan identifying number;

            (ii) a code indicating the type of Prepayment Charge;

            (iii) the state of origination of the related Mortgage Loan;

            (iv) the date on which the first monthly payment was due on the
      related Mortgage Loan;

            (v) the term of the related Prepayment Charge; and

            (vi) the principal balance of the related Mortgage Loan as of the
      Cut-off Date.

      As of the Closing Date, the Prepayment Charge Schedule shall contain the
necessary information for each Mortgage Loan. The Prepayment Charge Schedule
shall be amended from time to time by the Master Servicer in accordance with
the provisions of this Agreement and a copy of each related amendment shall be
furnished by the Master Servicer to the Class C-P Certificateholders and the
NIM Insurer.

      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 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 December 1, 2006) 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 related
Master Servicing Fee Rate, on such Principal Prepayment exceeds the amount of
interest paid in connection with such Principal Prepayment.



                                      29
<PAGE>

      Prepayment Period: As to any Distribution Date and the related Due Date,
the period from the 16th day of the calendar month immediately preceding the
month in which the Distribution Date occurs (or, in the case of the first
Distribution Date, from December 1, 2006) through the 15th day of the calendar
month in which the Distribution Date occurs.

      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 Distribution Amount: With respect to each Distribution Date, an
amount equal to (1) the sum of: (a) the Principal Remittance Amount for such
Distribution Date, less an amount equal to the lesser of (i) the Deferred
Interest that accrued on the Mortgage Loans for the related Due Period and (ii)
the Principal Prepayment Amount for the related Prepayment Period and (b) the
Extra Principal Distribution Amount for such Distribution Date, minus (2) the
amount of any Overcollateralization Reduction Amount for such Distribution
Date.

      Principal Prepayment: Any payment of principal by a Mortgagor on a
Mortgage Loan that is received in advance of its scheduled Due Date and is not
accompanied by an amount representing scheduled interest due on any date or
dates in any month or months subsequent to the month of prepayment. Partial
Principal Prepayments shall be applied by the Master Servicer in accordance
with the terms of the related Mortgage Note.

      Principal Prepayment Amount: As to any Distribution Date, an amount equal
to the sum of all voluntary Principal Prepayments received during the related
Prepayment Period and the amount of any Subsequent Recoveries received in the
prior calendar month.

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

      Principal Remittance Amount: As to any Distribution Date, (x) the sum,
without duplication, of (a) the principal portion of each Scheduled Payment
(without giving effect to any reductions thereof caused by any Deficient
Valuations) due on each Mortgage Loan (other than a Liquidated Mortgage Loan)
on the related Due Date, (b) the principal portion of the Purchase Price 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 related
Prepayment Period, the amount of the Liquidation Proceeds allocable to
principal received during such Prepayment Period with respect to such Mortgage
Loan, (f) all Principal Prepayments on the Mortgage Loans received during the
related Prepayment Period and (g) any Subsequent


                                      30
<PAGE>

Recoveries on the Mortgage Loans received during the related Prepayment Period
minus (y) all Advances on the Mortgage Loans relating to principal and certain
expenses reimbursable pursuant to Section 6.03 and reimbursed since the
immediately preceding Due Date.

      Principal Reserve Fund:   Not Applicable.

      Priority Amount:   Not applicable.

      Priority Percentage:   Not applicable.

      Private Certificate:   As specified in the Preliminary Statement.

      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 December
8, 2006 relating to the Offered Certificates.

      PUD:   Planned Unit Development.

      Purchase Price: With respect to any Mortgage Loan required to be
purchased by the applicable Seller pursuant to Section 2.02 or 2.03 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 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 that arises out of a violation of any predatory or
abusive lending law with respect to the related Mortgage Loan.

      Qualified Bidder: With respect to any auction pursuant to Section 9.04,
any institution that is a regular purchaser and/or seller in the secondary
market of residential mortgage loans as determined by the Trustee (or any
advisor on its behalf), in its sole discretion, and any holder of an interest
in the Class C-P Certificates; provided, however, that neither Countrywide nor
any of its affiliates shall constitute a Qualified Bidder.

      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



                                      31
<PAGE>

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 in this Agreement 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 Mortgage Loan, the amount of Realized Losses with respect to
that Mortgage Loan will be reduced by the amount of 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.

      Record Date: With respect to any Distribution Date and the Certificates
other than the LIBOR Certificates, the last Business Day of the month preceding
the month of a Distribution Date. With respect to any Distribution Date and the
LIBOR Certificates, the Business Day immediately preceding such Distribution
Date, or if such Certificates are no longer Book-Entry Certificates, the last
Business Day of the month preceding the month of such Distribution Date.

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

      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.



                                      32
<PAGE>

      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 and any similar
state or local laws.

      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;

            (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;



                                      33
<PAGE>

            (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 to this
Agreement, as appropriate.

      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.

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

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



                                      34
<PAGE>

      Sarbanes-Oxley Certification: As defined in Section 11.05.

      Scheduled Balances:   Not applicable.

      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 in this Agreement, shall give effect to any
related Debt Service Reduction and any Deficient Valuation that affects the
amount of the monthly payment due on such Mortgage Loan.

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

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

      Senior Certificates:   As specified in the Preliminary Statement.

      Senior Enhancement Percentage: With respect to a Distribution Date on or
after the Stepdown Date, the fraction (expressed as a percentage) (1) the
numerator of which is the excess of (a) the aggregate Stated Principal Balance
of the Mortgage Loans as of the Due Date occurring in the month preceding the
month of that Distribution Date (after giving effect to Principal Prepayments
in the Prepayment Period related to that prior Due Date) over (b) (i) before
the Class Certificate Balances of the Senior Certificates have been reduced to
zero, the sum of the Class Certificate Balances of the Senior Certificates
immediately prior to such Distribution Date, or (ii) after the Class
Certificate Balances of the Senior Certificates have been reduced to zero, the
Class Certificate Balance of the most senior Class of Subordinated Certificates
outstanding immediately prior to such Distribution Date and (2) the denominator
of which is the aggregate Stated Principal Balance of the Mortgage Loans as of
the Due Date occurring in the month preceding the month of that Distribution
Date (after giving effect to Principal Prepayments in the Prepayment Period
related to that prior Due Date).

      Senior Principal Distribution Target Amount: As to any Distribution Date,
the excess of (x) the aggregate Class Certificate Balance of the Senior
Certificates immediately prior to such Distribution Date, over (y) the lesser
of (A) the product of (i) (x) 73.500% on any Distribution Date on or after the
Stepdown Date and prior to the Distribution Date in December 2012 or (y)
78.800% on any Distribution Date on or after the Stepdown Date and on or after
the Distribution Date in December 2012 and (ii) of the aggregate Stated
Principal Balance of the Mortgage Loans as of the Due Date in the month of that
Distribution Date (after giving effect to Principal Prepayments received in the
related Prepayment Period) and (B) the aggregate Stated Principal Balance of
the Mortgage Loans as of the Due Date in the month of that Distribution Date
(after giving effect to Principal Prepayments received in the related
Prepayment Period) minus the OC Floor.

      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


                                      35
<PAGE>

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:   Not applicable.

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

      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), plus any Deferred Interest added to the principal
balance of that Mortgage Loan pursuant to the terms of the related Mortgage
Note on or prior to that Due Date, 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; (iii) Principal
Prepayments received through the last day of the related Prepayment Period, in
each case, with respect to that Mortgage Loan and (iv) 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.

      Stepdown Date: The earlier to occur of: (1) the Distribution Date
immediately following the Distribution Date on which the aggregate Class
Certificate Balance of the Senior Certificates is reduced to zero, and (2) the
later of (x) the Distribution Date in December 2009 and (y) the first
Distribution Date on which the aggregate Class Certificate Balance of the
Senior Certificates (after calculating anticipated distributions on such
Distribution Date) is less than or equal to the product of (x) the aggregate
Stated Principal Balance of the Mortgage Loans as of the Due Date in the month
of that Distribution Date (after giving effect to Principal Prepayments



                                      36
<PAGE>

in the related Prepayment Period) and (y) either (i) prior to the Distribution
Date in December 2012, 73.500% or (ii) on or after the Distribution Date in
December 2012, 78.800%.

      Stepdown Target Subordination Percentage: With respect to any Class of
Subordinated Certificates, the respective percentage indicated in the following
table:

                                         Stepdown Target       Stepdown Target
                                          Subordination         Subordination
                                          Percentage (1)        Percentage (2)
                                        -----------------
               Class M-1...............       19.750%            15.800%
               Class M-2...............       14.875%            11.900%
               Class M-3...............       13.250%            10.600%
               Class M-4...............       9.750%             7.800%
               Class M-5...............       8.125%             6.500%
               Class M-6...............       6.875%             5.500%
               Class M-7...............       5.375%             4.300%
               Class M-8...............       4.125%             3.300%
               Class M-9...............       2.875%             2.300%

---------
(1)   For any Distribution Date occurring on or after the Distribution Date
occurring in December 2009 and prior to the Distribution Date occurring in
December 2012.
(2)   For any Distribution Date occurring on or after the Distribution Date
occurring in December 2012.


      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.

      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 the 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 Class Principal Distribution Target Amount: With respect to
any Distribution Date and any Class of Subordinated Certificates, the excess
of: (1) the sum of: (a) the aggregate Class Certificate Balance of the Senior
Certificates (after taking into account the distribution of the Senior
Principal Distribution Target Amount for such Distribution Date), (b) the
aggregate Class Certificate Balance of any Class(es) of Subordinated
Certificates that are senior to the subject Class (in each case, after taking
into account distribution of the Subordinated Class Principal Distribution
Target Amount(s) for such more senior Class(es) of Certificates for such
Distribution Date), and (c) the Class Certificate Balance of the subject Class
of Subordinated Certificates immediately prior to such Distribution Date over
(2) the lesser of



                                      37
<PAGE>

(a) the product of (x) 100% minus the Stepdown Target Subordination Percentage
for the subject Class of Certificates and (y) the aggregate Stated Principal
Balance of the Mortgage Loans for such Distribution Date and (b) the aggregate
Stated Principal Balance of the Mortgage Loans for such Distribution Date minus
the OC Floor; provided, however, that if such Class of Subordinated
Certificates is the only Class of Subordinated Certificates outstanding on such
Distribution Date, that Class will be entitled to receive the entire remaining
Principal Distribution Amount until its Class Certificate Balance is reduced to
zero.

      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 after the classification of such
Mortgage Loan as a 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.

      Subsidiary REMIC: As defined in the Preliminary Statement.

      Substitute Mortgage Loan: A Mortgage Loan substituted by the applicable
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) have a Maximum
Mortgage Rate no lower than and not more than 1% per annum higher than the
Maximum Mortgage Rate of the Deleted Mortgage Loan; (vi) have a Minimum
Mortgage Rate no lower than and not more than 1% per annum higher than the
Minimum Mortgage Rate of the Deleted Mortgage Loan; (vii) have the same
Mortgage Index, reset period, payment cap and recast provisions as the Deleted
Mortgage Loan and a Gross Margin not more than 1% per annum higher or lower
than that of the Deleted Mortgage Loan; (viii) not be a Cooperative Loan unless
the Deleted Mortgage Loan was a Cooperative Loan; and (ix) comply with each
representation and warranty set forth in Section 2.03.

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

      Successful Auction: An auction held pursuant to Section 9.04 at which at
least three Qualified Bidders submitted bids and at least one of those bids was
an Acceptable Bid Amount.

      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.



                                      38
<PAGE>

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

      Termination Price:   As defined in Section 9.01.

      Terminator:   As defined in Section 9.01.

      Transaction Documents:   This Agreement 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.

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

      Trust Fund: The corpus of the trust created under this Agreement
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 of the Mortgage Loans; (ii) the
Certificate Account, the Distribution Account and the Carryover Reserve Fund
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.

      Trustee: The Bank of New York and its successors and, if a successor
trustee is appointed under this Agreement, 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: As specified in the Preliminary Statement.

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

      Unpaid Realized Loss Amount: For any Class of Offered Certificates, (x)
the portion of the aggregate Applied Realized Loss Amount previously allocated
to that Class remaining unpaid from prior Distribution Dates minus (y) any
increase in the Class Certificate Balance of



                                       39
<PAGE>

that Class due to the receipt of Subsequent Recoveries to the Class Certificate
Balance of that Class pursuant to Section 4.02(h).

      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
Notional Amount Certificates, if any (such Voting Rights to be allocated among
the holders of Certificates of each such Class in accordance with their
respective Percentage Interests), (b) 1% of all Voting Rights shall be
allocated to each of the Class A-R, Class C-P Certificates, and (c) the
remaining Voting Rights (or 100% of the Voting Rights if there is no Class of
Notional Amount Certificates) shall be allocated among Holders of the remaining
Classes of Certificates in proportion to the Certificate Balances of their
respective Certificates on such date.

      Weighted Average Adjusted Net Mortgage Rate: As to any Distribution Date,
the weighted average of the Adjusted Net Mortgage Rates on the Mortgage Loans,
weighted on the basis of the Stated Principal Balance of each such Mortgage
Loan as of the Due Date occurring in the calendar month preceding the month of
that Distribution Date (after giving effect to Principal Prepayments received
in the Prepayment Period related to that prior Due Date).

      Winning Bidder: With respect to a Successful Auction, the Qualified
Bidder that bids the highest price.

      SECTION 1.02.      Certain Interpretive Principles.

      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.


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<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 of this
Agreement, 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 applicable
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 or 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 applicable Distribution Date, Countrywide shall deposit into
the Distribution Account on or before the Distribution Account Deposit Date
relating to the first 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 in this Agreement 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


                                      41
<PAGE>

                   (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) 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, (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 a copy of 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;



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<PAGE>

                    (E) The executed UCC-1 financing statement with evidence of
                 recording thereon which have been filed in all places required
                 to perfect the applicable 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).

      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, or (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 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
assignments, 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


                                      43
<PAGE>

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 twenty (120) days thereafter, the Trustee
shall (A) as the assignee thereof, affix the following language to each
assignment of Mortgage: "CWALT, Inc., Series 2006-OA22, 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 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.

      Notwithstanding anything to the contrary in this Agreement, within thirty
(30) days after the Closing Date with respect to the Mortgage Loans,
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



                                      44
<PAGE>

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
clauses (50) or (51) 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 (an "Initial
Certification") 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 Park Sienna) an Initial Certification in the
form annexed to this Agreement as Exhibit F. 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 the Mortgage Loans. 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 (a "Delay Delivery Certification"), 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 (a "Final
Certification"), with any applicable exceptions noted thereon.



                                      45
<PAGE>

      If, in the course of such review, the Trustee finds any document
constituting a part of a Mortgage File that 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) that 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, 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 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 a 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



                                      46
<PAGE>

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) [Reserved].

      (d) The Trustee shall retain possession and custody of each Mortgage File
in accordance with and subject to the terms and conditions set forth in this
Agreement. 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.

      (e) 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.

      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 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 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



                                      47
<PAGE>

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 and the NIM Insurer. 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) that 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, 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



                                      48
<PAGE>

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 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.



                                      49
<PAGE>

      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 of this Agreement or such other date set
forth in this Agreement 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 Seller made pursuant to Section
2.03(a), together with all rights of the Depositor to require a 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
and the NIM Insurer.

      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 under this Agreement 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 and the NIM
Insurer. 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 to this
Section 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.



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<PAGE>

      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 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.


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<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, subject to the terms of this
Agreement (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 3.01 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 under this Agreement 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.



                                       52
<PAGE>

      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
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 under this Agreement;
provided, however, that the NIM Insurer shall have consented to such
subservicing agreements (which consent shall not be unreasonably withheld).
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, the NIM Insurer and the
                        Trustee in Respect of the Master Servicer.

      The Depositor may, but is not obligated to, enforce the obligations of
the Master Servicer under this Agreement and may, but is not obligated to,
perform, or cause a designee to perform, any defaulted obligation of the Master
Servicer under this Agreement and in connection with any such defaulted
obligation to exercise the related rights of the Master Servicer under this
Agreement; provided that the Master Servicer shall not be relieved of any of
its obligations under this Agreement by virtue of such performance by the
Depositor or its designee. None of the


                                      53
<PAGE>

Trustee, the NIM Insurer or 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 under this Agreement 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 under this Agreement (including by reason of an Event of
Default or termination by the Depositor), the Trustee or its successor shall
then assume all of the rights and obligations of the Master Servicer under this
Agreement arising thereafter (except that the Trustee shall not be (i) liable
for losses of the Master Servicer pursuant to Section 3.09 or any acts or
omissions of the predecessor Master Servicer under this Agreement), (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
under this Agreement including, but not limited to, repurchases or
substitutions of Mortgage Loans pursuant to Section 2.02 or 2.03, (iv)
responsible for expenses of the Master Servicer pursuant to Section 2.03 or (v)
deemed to have made any representations and warranties of the Master Servicer
under this Agreement). Any such assumption shall be subject to Section 7.02. 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; Carryover Reserve Fund;
                        Principal 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, subject to Section 3.20, 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.
In addition, the NIM Insurer's prior written consent shall be


                                      54
<PAGE>

required for any waiver of Prepayment Charges or for the extension of the due
dates for payments due on a Mortgage Note, if the aggregate number of
outstanding Mortgage Loans that have been granted such waivers or extensions
exceeds 5% of the aggregate number of Mortgage Loans. 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 "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
in this Agreement, 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 under this Agreement:

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

            (ii) all payments on account of interest on the Mortgage Loans, net
      of the related 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 a Mortgaged Property or released to the Mortgagor in accordance with
      the Master Servicer's normal servicing procedures;

            (iv) any amount required to be deposited by the Master Servicer or
       the Depositor 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;

            (vi) all Substitution Adjustment Amounts;

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

            (viii) all payments on account of Prepayment Charges on the
      Mortgage Loans; and

            (ix) any other amounts required to be deposited under this
      Agreement.



                                      55
<PAGE>

      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 related 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 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 in
this Agreement 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 in the Distribution
Account 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 in this Agreement 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



                                      56
<PAGE>

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 in this Agreement. 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 or
the Carryover Reserve Fund prior to any change thereof.

      (g) On the Closing Date, the Trustee shall establish and maintain in its
name, in trust for the benefit of the Holders of the Offered Certificates, the
Carryover Reserve Fund and shall deposit $1,000 therein upon receipt from or on
behalf of the Depositor of such amount. The Carryover Reserve Fund shall be an
Eligible Account, and funds on deposit therein shall be held separate and apart
from, and shall not be commingled with, any other moneys, including without
limitation, other moneys held by the Trustee pursuant to this Agreement.

      Funds in the Carryover Reserve Fund may be invested in Permitted
Investments at the direction of the Majority of the Holders of the Class C-P
Certificates, which Permitted Investments shall mature not later than the
Business Day immediately preceding the first Distribution Date that follows the
date of such investment (except that if such Permitted Investment is an
obligation of the institution that maintains the Carryover Reserve Fund, then
such Permitted Investment shall mature not later than such Distribution Date)
and shall not be sold or disposed of prior to maturity. All such Permitted
Investments shall be made in the name of the Trustee, for the benefit of the
Holders of the Class C-P Certificates. In the absence of such written
direction, all funds in the Carryover Reserve Fund shall be invested by the
Trustee 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 Carryover Reserve Fund in respect of any such
investments shall be charged against amounts on deposit in the Carryover
Reserve Fund (or such investments) immediately as realized. The Trustee shall
not be liable for the amount of any loss incurred in respect of any investment
or


                                      57
<PAGE>

lack of investment of funds held in the Carryover Reserve Fund and made in
accordance with this Section 3.05. The Carryover Reserve Fund will not
constitute an asset of any REMIC created hereunder. The Class C-P Certificates
shall evidence ownership of the Carryover Reserve Fund for federal tax
purposes.

      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 in this Agreement 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 (with respect to taxes and assessments and insurance
premiums) and 3.09 (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. 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, the NIM
Insurer 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.

      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



                                      58
<PAGE>

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. Upon request, the Master Servicer shall
furnish to the Trustee and the NIM Insurer its most recent publicly available
financial statements and any other information relating to its capacity to
perform its obligations under this Agreement reasonably requested by the NIM
Insurer.

      SECTION 3.08.      Permitted Withdrawals from the Certificate
                        Account; the Distribution Account, the
                        Carryover Reserve Fund and the Principal
                        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) that 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;

            (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 on such Mortgage Loan
      after the date of such purchase;

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

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



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            (ix) on or prior to the Distribution Account Deposit Date, to
      withdraw an amount equal to the Interest Remittance Amount, Principal
      Remittance Amount, Prepayment Charge Amount collected and the Trustee Fee
      for such Distribution Date and remit such amount to the Trustee for
      deposit in the Distribution Account; and

            (x) to clear and terminate the Certificate Account upon termination
      of this Agreement pursuant to Section 9.01.

      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 this Agreement pursuant to Section 9.01.

      (c) The Trustee shall withdraw funds from the Carryover Reserve Fund for
distribution to the LIBOR Certificates in the manner specified in Section
4.02(c)(vi) (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 Trustee may from time to time make withdrawals
from the Carryover Reserve Fund for the following purposes:



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

            (ii) to clear and terminate the Carryover Reserve Fund upon the
      termination of this Agreement pursuant to Section 9.01.

      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. 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) [Reserved].

      (c) 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



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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.

      (d) 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



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<PAGE>

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), 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 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



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<PAGE>

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 of such costs and expenses 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 one-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 received and
all expenses incurred in connection with the maintenance of such REO Property
at such times as is necessary to enable the Trustee to comply with the
reporting requirements of the REMIC Provisions. The net monthly rental income,
if any, from such REO Property shall be deposited in the Certificate Account no
later than the close of business on each Determination Date. The Master
Servicer shall perform the tax reporting and withholding required by Sections
1445 and 6050J of the Code with respect to foreclosures and abandonments, the
tax reporting required by Section 6050H of the Code with respect to the receipt
of mortgage interest from individuals and any tax reporting required by Section
6050P of the Code with respect to the cancellation of indebtedness by certain
financial entities, by preparing such tax and information returns as may be
required, in the form required, and delivering the same to the Trustee for
filing.

      In the event that the Trust Fund acquires any Mortgaged Property as
aforesaid or otherwise in connection with a default or imminent default on a
Mortgage Loan, the Master Servicer shall dispose of such Mortgaged Property as
soon as practicable in a manner that maximizes the Liquidation Proceeds
thereof, but in no event later than three years after its acquisition by the
Trust Fund. In that event, the Trustee shall have been supplied with an Opinion
of Counsel to the effect that the holding by the Trust Fund of such Mortgaged
Property subsequent to a three-year period, if applicable, will not result in
the imposition of taxes on "prohibited transactions" of any REMIC hereunder as
defined in Section 860F of the Code or cause any REMIC hereunder to fail to
qualify as a REMIC at any time that any Certificates are outstanding, and that
the Trust Fund may continue to hold such Mortgaged Property (subject to any
conditions contained in such Opinion of Counsel) after the expiration of such
three-year



                                      64
<PAGE>

period. Notwithstanding any other provision of this Agreement, no Mortgaged
Property acquired by the Trust Fund shall be rented (or allowed to continue to
be rented) or otherwise used for the production of income by or on behalf of
the Trust Fund in such a manner or pursuant to any terms that would (i) cause
such Mortgaged Property to fail to qualify as "foreclosure property" within the
meaning of Section 860G(a)(8) of the Code or (ii) subject any REMIC hereunder
to the imposition of any federal, state or local income taxes on the income
earned from such Mortgaged Property under Section 860G(c) of the Code or
otherwise, unless the Master Servicer has agreed to indemnify and hold harmless
the Trust Fund with respect to the imposition of any such taxes.

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

      The decision of the Master Servicer to foreclose on a defaulted Mortgage
Loan shall be subject to a determination by the Master Servicer that the
proceeds of such foreclosure would exceed the costs and expenses of bringing
such a proceeding. The income earned from the management of any REO Properties,
net of reimbursement to the Master Servicer for expenses incurred (including
any property or other taxes) in connection with such management and net of
unreimbursed Master Servicing Fees, Advances and Servicing Advances, shall be
applied to the payment of principal of and interest on the related defaulted
Mortgage Loans (with interest accruing as though such Mortgage Loans were still
current) and all such income shall be deemed, for all purposes in this
Agreement, to be payments on account of principal and interest on the related
Mortgage Notes and shall be deposited into the Certificate Account. To the
extent the net income received during any calendar month is in excess of the
amount attributable to amortizing principal and accrued interest at the related
Mortgage Rate on the related Mortgage Loan for such calendar month, such excess
shall be considered to be a partial prepayment of principal of the related
Mortgage Loan.

      The proceeds from any liquidation of a Mortgage Loan, as well as any
income from an REO Property, will be applied in the following order of
priority: first, to reimburse the Master Servicer for any related unreimbursed
Servicing Advances and Master Servicing Fees; second, to reimburse the Master
Servicer or the Trustee for any unreimbursed Advances; third, to reimburse the
Certificate Account for any Nonrecoverable Advances (or portions thereof) that
were previously withdrawn by the Master Servicer or the Trustee pursuant to
Section 3.08(a)(iii) that related to such Mortgage Loan; fourth, to accrued and
unpaid interest (to the extent no Advance has been made for such amount or any
such Advance has been reimbursed) on the Mortgage Loan or related REO Property,
at the Adjusted Net Mortgage Rate to the Due Date occurring in the month in
which such amounts are required to be distributed; and fifth, as a recovery of
principal of the Mortgage Loan. Excess Proceeds, if any, from the liquidation
of a Liquidated Mortgage Loan will be retained by the Master Servicer as
additional servicing compensation pursuant to Section 3.14.


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<PAGE>

      The Master Servicer, in its sole discretion, shall have the right to
purchase for its own account from the Trust Fund any Mortgage Loan which is 151
days or more delinquent at a price equal to the Purchase Price; provided,
however, that the Master Servicer may only exercise this right on or before the
next to the last day of the calendar month which such Mortgage Loan became 151
days delinquent (such month, the "Eligible Repurchase Month"); provided
further, that any such Mortgage Loan which becomes current but thereafter
becomes delinquent may be purchased by the Master Servicer pursuant to this
Section in any ensuing Eligible Repurchase Month. The Master Servicer, in its
sole discretion, shall also have the right to purchase for its own account from
the Trust Fund at a price equal to the Purchase Price any Eligible EPD
Protected Mortgage Loan. The Master Servicer's right to purchase any such
Eligible EPD Protected Mortgage Loan shall expire on the 270th day following
the date on which the related Mortgage Loan became an Eligible EPD Protected
Mortgage Loan. The Purchase Price for any Mortgage Loan purchased under this
Section 3.11 shall be deposited in the Certificate Account and the Trustee,
upon receipt of a certificate from the Master Servicer in the form of Exhibit N
to this Agreement, shall release or cause to be released to the purchaser of
such Mortgage Loan the related Mortgage File and shall execute and deliver such
instruments of transfer or assignment prepared by the purchaser of such
Mortgage Loan, in each case without recourse, as shall be necessary to vest in
the purchaser of such Mortgage Loan any Mortgage Loan released pursuant hereto
and the purchaser of such Mortgage Loan shall succeed to all the Trustee's
right, title and interest in and to such Mortgage Loan and all security and
documents related thereto. Such assignment shall be an assignment outright and
not for security. The purchaser of such Mortgage Loan shall thereupon own such
Mortgage Loan, and all security and documents, free of any further obligation
to the Trustee or the Certificateholders with respect thereto.

      (b) Countrywide may agree to a modification of any Mortgage Loan (the
"Modified Mortgage Loan") if (i) the modification is in lieu of a refinancing,
(ii) the Mortgage Rate on the Modified Mortgage Loan is approximately a
prevailing market rate for newly originated mortgage loans having similar terms
and (iii) Countrywide purchases the Modified Mortgage Loan from the Trust Fund
as described below. Effective immediately after the modification, and, in any
event, on the same Business Day on which the modification occurs, all interest
of the Trustee in the Modified Mortgage Loan shall automatically be deemed
transferred and assigned to Countrywide and all benefits and burdens of
ownership thereof, including the right to accrued interest thereon from the
date of modification and the risk of default thereon, shall pass to
Countrywide. The Master Servicer shall promptly deliver to the Trustee a
certification of a Servicing Officer to the effect that all requirements of
this paragraph have been satisfied with respect to the Modified Mortgage Loan.
For federal income tax purposes, the Trustee shall account for such purchase as
a prepayment in full of the Modified Mortgage Loan.

      Countrywide shall remit to the Master Servicer and the Master Servicer
shall deposit the Purchase Price for any Modified Mortgage Loan in the
Certificate Account pursuant to Section 3.05 within one Business Day after the
purchase of the Modified Mortgage Loan. Upon receipt by the Trustee of written
notification of any such deposit signed by a Servicing Officer, the Trustee
shall release to Countrywide the related Mortgage File and shall execute and
deliver such instruments of transfer or assignment, in each case without
recourse, as shall be necessary to vest in Countrywide any Modified Mortgage
Loan previously transferred and assigned pursuant hereto. Countrywide covenants
and agrees to indemnify the Trust Fund against any liability for any
"prohibited transaction" taxes and any related interest, additions, and
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the Trust Fund established hereunder as a result of any modification of a
Mortgage Loan effected pursuant to this subsection (b), any holding of a
Modified Mortgage Loan by the Trust Fund or any purchase of a Modified Mortgage
Loan by Countrywide (but such obligation shall not prevent Countrywide or any
other appropriate Person from in good faith contesting any such tax in
appropriate proceedings and shall not prevent Countrywide from withholding
payment of such tax, if permitted by law, pending the outcome of such
proceedings). Countrywide shall have no right of reimbursement for any amount
paid pursuant to the foregoing indemnification, except to the extent that the
amount of any tax, interest, and penalties, together with interest thereon, is
refunded to the Trust Fund or Countrywide.

      SECTION 3.12.      Trustee to Cooperate; Release of Mortgage Files.

      Upon the payment in full of any Mortgage Loan, or the receipt by the
Master Servicer of a notification that payment in full will be escrowed in a
manner customary for such purposes, the Master Servicer will immediately notify
the Trustee by delivering, or causing to be delivered a "Request for Release"
substantially in the form of Exhibit N of this Agreement. Upon receipt of such
request, the Trustee shall promptly release the related Mortgage File to the
Master Servicer, and the Trustee shall at the Master Servicer's direction
execute and deliver to the Master Servicer the request for reconveyance, deed
of reconveyance or release or satisfaction of mortgage or such instrument
releasing the lien of the Mortgage in each case provided by the Master
Servicer, together with the Mortgage Note with written evidence of cancellation
on the Mortgage Note. The Master Servicer is authorized to cause the removal
from the registration on the MERS(R) System of such Mortgage and to execute and
deliver, on behalf of the Trustee and the Certificateholders or any of them,
any and all instruments of satisfaction or cancellation or of partial or full
release. Expenses incurred in connection with any instrument of satisfaction or
deed of reconveyance shall be chargeable to the related Mortgagor. From time to
time and as shall be appropriate for the servicing or foreclosure of any
Mortgage Loan, including for such purpose, collection under any policy of flood
insurance, any fidelity bond or errors or omissions policy, or for the purposes
of effecting a partial release of any Mortgaged Property from the lien of the
Mortgage or the making of any corrections to the Mortgage Note or the Mortgage
or any of the other documents included in the Mortgage File, the Trustee shall,
upon delivery to the Trustee of a Request for Release in the form of Exhibit M
signed by a Servicing Officer, release the Mortgage File to the Master
Servicer. Subject to the further limitations set forth below, the Master
Servicer shall cause the Mortgage File or documents so released to be returned
to the Trustee when the need therefor by the Master Servicer no longer exists,
unless the Mortgage Loan is liquidated and the proceeds thereof are deposited
in the Certificate Account, in which case the Master Servicer shall deliver to
the Trustee a Request for Release in the form of Exhibit N, signed by a
Servicing Officer.

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



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      SECTION 3.13.      Documents, Records and Funds in Possession of
                         Master Servicer to be Held for the Trustee.

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

      SECTION 3.14.      Servicing Compensation.

      As compensation for its activities hereunder, the Master Servicer shall
be entitled to retain or withdraw from the Certificate Account an amount equal
to the Master Servicing Fee; provided, that the aggregate Master Servicing Fee
with respect to any Distribution Date shall be reduced (i) by an amount equal
to the aggregate of the Prepayment Interest Shortfalls, if any, with respect to
such Distribution Date, but not by more than the Compensating Interest for that
Distribution Date, and (ii) with respect to the first Distribution Date, an
amount equal to any amount to be deposited into the Distribution Account by the
Depositor pursuant to Section 2.01(a) and not so deposited.

      Additional servicing compensation in the form of Excess Proceeds,
Prepayment Interest Excess, assumption fees, late payment charges and all
income and gain net of any losses realized from Permitted Investments shall be
retained by the Master Servicer to the extent not required to be deposited in
the Certificate Account pursuant to Section 3.05. The Master Servicer shall be
required to pay all expenses incurred by it in connection with its master
servicing activities hereunder (including payment of any premiums for hazard
insurance and any Primary Insurance Policy and maintenance of the other forms
of insurance coverage required by this Agreement) and shall not be entitled to
reimbursement therefor except as specifically provided in this Agreement.



                                      68
<PAGE>

      SECTION 3.15.      Access to Certain Documentation.

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

       SECTION 3.16.      Annual Statement as to Compliance.

      (a) The Master Servicer shall deliver to the Depositor and the Trustee on
or before March 15 of each year, commencing with its 2007 fiscal year, an
Officer's Certificate stating, as to the signer thereof, that (i) a review of
the activities of the Master Servicer during the preceding calendar year (or
applicable portion thereof) and of the performance of the Master Servicer under
this Agreement has been made under such officer's supervision and (ii) to the
best of such officer's knowledge, based on such review, the Master Servicer has
fulfilled all its obligations under this Agreement in all material respects
throughout such year (or applicable portion thereof), or, if there has been a
failure to fulfill any such obligation in any material respect, specifying each
such failure known to such officer and the nature and status thereof.

      (b) The Master Servicer shall cause each Subservicer to deliver to the
Depositor and the Trustee on or before March 15 of each year, commencing with
its 2007 fiscal year, an Officer's Certificate stating, as to the signer
thereof, that (i) a review of the activities of such Subservicer during the
preceding calendar year (or applicable portion thereof) and of the performance
of the Subservicer under the applicable Subservicing Agreement or primary
servicing agreement, has been made under such officer's supervision and (ii) to
the best of such officer's knowledge, based on such review, such Subservicer
has fulfilled all its obligations under the applicable Subservicing Agreement
or primary servicing agreement, in all material respects throughout such year
(or applicable portion thereof), or, if there has been a failure to fulfill any
such obligation in any material respect, specifying each such failure known to
such officer and the nature and status thereof.

      (c) The Trustee shall forward a copy of each such statement to each
Rating Agency.

      SECTION 3.17.      Errors and Omissions Insurance; Fidelity Bonds.

      The Master Servicer shall for so long as it acts as master servicer under
this Agreement, obtain and maintain in force (a) a policy or policies of
insurance covering errors and omissions in the performance of its obligations
as Master Servicer hereunder and (b) a fidelity bond in respect of its
officers, employees and agents. Each such policy or policies and bond shall,
together, comply with the requirements from time to time of FNMA or FHLMC for
persons performing servicing for mortgage loans purchased by FNMA or FHLMC. In
the event that any such policy



                                      69
<PAGE>

or bond ceases to be in effect, the Master Servicer shall obtain a comparable
replacement policy or bond from an insurer or issuer, meeting the requirements
set forth above as of the date of such replacement.

      SECTION 3.18.      Notification of Adjustments.

      On each Adjustment Date, the Master Servicer shall make interest rate and
scheduled payment adjustments for each Mortgage Loan in compliance with the
requirements of the related Mortgage and Mortgage Note and applicable
regulations. The Master Servicer shall execute and deliver the notices required
by each Mortgage and Mortgage Note and applicable regulations regarding
interest rate and/or monthly payment adjustments. The Master Servicer also
shall provide timely notification to the Trustee of all applicable data and
information regarding such interest rate or monthly payment adjustments and the
Master Servicer's methods of implementing such adjustments. Upon the discovery
by the Master Servicer or the Trustee that the Master Servicer has failed to
adjust or has incorrectly adjusted a Mortgage Rate or a monthly payment
pursuant to the terms of the related Mortgage Note and Mortgage, the Master
Servicer shall immediately deposit in the Certificate Account from its own
funds the amount of any interest and/or principal loss caused thereby without
reimbursement therefor; provided, however, the Master Servicer shall be held
harmless with respect to any interest rate and/or monthly payment adjustments
made by any servicer prior to the Master Servicer.

      SECTION 3.19.      [Reserved].

      SECTION 3.20.      Prepayment Charges.

      (a) Notwithstanding anything in this Agreement to the contrary, in the
event of a Principal Prepayment in full or in part of a Mortgage Loan, the
Master Servicer may not waive any Prepayment Charge or portion thereof required
by the terms of the related Mortgage Note unless (i) such Mortgage Loan is in
default or the Master Servicer believes that such a default is imminent, and
the Master Servicer determines that such waiver would maximize recovery of
Liquidation Proceeds for such Mortgage Loan, taking into account the value of
such Prepayment Charge, or (ii) (A) the enforceability thereof is limited (1)
by bankruptcy, insolvency, moratorium, receivership, or other similar law
relating to creditors' rights generally or (2) due to acceleration in
connection with a foreclosure or other involuntary payment, or (B) the
enforceability is otherwise limited or prohibited by applicable law. In the
event of a Principal Prepayment in full or in part with respect to any Mortgage
Loan, the Master Servicer shall deliver to the Trustee an Officer's Certificate
substantially in the form of Exhibit S no later than the third Business Day
following the immediately succeeding Determination Date with a copy to the
Class C-P Certificateholders. If the Master Servicer has waived or does not
collect all or a portion of a Prepayment Charge relating to a Principal
Prepayment in full or in part due to any action or omission of the Master
Servicer, other than as provided above, the Master Servicer shall deliver to
the Trustee, together with the Principal Prepayment in full or in part, the
amount of such Prepayment Charge (or such portion thereof as had been waived)
for deposit into the Certificate Account (not later than 1:00 p.m. Pacific time
on the immediately succeeding Master Servicer Advance Date, in the case of such
Prepayment Charge) for distribution in accordance with the terms of this
Agreement.



                                      70
<PAGE>

      (b) Upon discovery by the Master Servicer or a Responsible Officer of the
Trustee of a breach of the foregoing subsection (a), the party discovering the
breach shall give prompt written notice to the other parties.

      (c) Countrywide represents and warrants to the Depositor and the Trustee,
as of the Closing Date, that the information in the Prepayment Charge Schedule
(including the attached prepayment charge summary) is complete and accurate in
all material respects at the dates as of which the information is furnished and
each Prepayment Charge is permissible and enforceable in accordance with its
terms under applicable state law, except as the enforceability thereof is
limited due to acceleration in connection with a foreclosure or other
involuntary payment.

      (d) Upon discovery by the Master Servicer or a Responsible Officer of the
Trustee of a breach of the foregoing clause (c) that materially and adversely
affects the right of the Holders of the Class C-P Certificates to any
Prepayment Charge, the party discovering the breach shall give prompt written
notice to the other parties. Within 60 days of the earlier of discovery by the
Master Servicer or receipt of notice by the Master Servicer of breach, the
Master Servicer shall cure the breach in all material respects or shall pay
into the Certificate Account the amount of the Prepayment Charge that would
otherwise be due from the Mortgagor, less any amount representing such
Prepayment Charge previously collected and paid by the Master Servicer into the
Certificate Account.


                                      71
<PAGE>

                                   ARTICLE IV
                                DISTRIBUTIONS AND
                        ADVANCES BY THE MASTER SERVICER

      SECTION 4.01.      Advances.

      (a) The Master Servicer shall determine on or before each Master Servicer
Advance Date whether it is required to make an Advance pursuant to the
definition thereof. If the Master Servicer determines it is required to make an
Advance, it shall, on or before the Master Servicer Advance Date, either (i)
deposit into the Certificate Account an amount equal to the Advance or (ii)
make an appropriate entry in its records relating to the Certificate Account
that any Amount Held for Future Distribution has been used by the Master
Servicer in discharge of its obligation to make any such Advance. Any funds so
applied shall be replaced by the Master Servicer by deposit in the Certificate
Account no later than the close of business on the next Master Servicer Advance
Date. The Master Servicer shall be entitled to be reimbursed from the
Certificate Account for all Advances of its own funds made pursuant to this
Section as provided in Section 3.08. The obligation to make Advances with
respect to any Mortgage Loan shall continue if such Mortgage Loan has been
foreclosed or otherwise terminated and the related Mortgaged Property has not
been liquidated.

      (b) If the Master Servicer determines that it will be unable to comply
with its obligation to make the Advances as and when described in the second
sentence of Section 4.01(a), it shall use its best efforts to give written
notice thereof to the Trustee (each such notice a "Trustee Advance Notice"; and
such notice may be given by telecopy), not later than 3:00 P.M., New York time,
on the Business Day immediately preceding the related Master Servicer Advance
Date, specifying the amount that it will be unable to deposit (each such amount
an "Advance Deficiency") and certifying that such Advance Deficiency
constitutes an Advance hereunder and is not a Nonrecoverable Advance. If the
Trustee receives a Trustee Advance Notice on or before 3:30 P.M., New York time
on a Master Servicer Advance Date, the Trustee shall, not later than 3:00 P.M.,
New York time, on the related Distribution Date, deposit in the Distribution
Account an amount equal to the Advance Deficiency identified in such Trustee
Advance Notice unless it is prohibited from so doing by applicable law.
Notwithstanding the foregoing, the Trustee shall not be required to make such
deposit if the Trustee shall have received written notification from the Master
Servicer that the Master Servicer has deposited or caused to be deposited in
the Certificate Account an amount equal to such Advance Deficiency. All
Advances made by the Trustee pursuant to this Section 4.01(b) shall accrue
interest on behalf of the Trustee at the Trustee Advance Rate from and
including the date such Advances are made to but excluding the date of
repayment, with such interest being an obligation of the Master Servicer and
not the Trust Fund. The Master Servicer shall reimburse the Trustee for the
amount of any Advance made by the Trustee pursuant to this Section 4.01(b)
together with accrued interest, not later than the fifth day following the
related Master Servicer Advance Date. In the event that the Master Servicer
does not reimburse the Trustee in accordance with the requirements of the
preceding sentence, the Trustee shall have the right, but not the obligation,
to immediately (a) terminate all of the rights and obligations of the Master
Servicer under this Agreement in accordance with Section 7.01 and (b) subject
to the limitations set forth in Section 3.04, assume all of the rights and
obligations of the Master Servicer hereunder.



                                      72
<PAGE>

      (c) The Master Servicer shall, not later than the close of business on
the second Business Day immediately preceding each Distribution Date, deliver
to the Trustee a report (in form and substance reasonably satisfactory to the
Trustee) that indicates (i) the Mortgage Loans with respect to which the Master
Servicer has determined that the related Scheduled Payments should be advanced
and (ii) the amount of the related Scheduled Payments. The Master Servicer
shall deliver to the Trustee on the related Master Servicer Advance Date an
Officer's Certificate of a Servicing Officer indicating the amount of any
proposed Advance determined by the Master Servicer to be a Nonrecoverable
Advance.

      SECTION 4.02.      Priorities of Distribution.

      (a) Distributions of Interest Funds. On each Distribution Date, the
Interest Funds for such Distribution Date shall be allocated by the Trustee
from the Distribution Account in the following order of priority:

            (i) concurrently, to each Class of Senior Certificates, the Current
      Interest and Interest Carry Forward Amount for each such Class and
      Distribution Date, pro rata, based on their respective entitlements;

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

            (iii) any remainder as part of the Excess Cashflow.

      (b) Distributions of Principal Distribution Amount. On each Distribution
Date, the Principal Distribution Amount for such Distribution Date shall be
allocated by the Trustee from the Distribution Account in the following order
of priority (with the Principal Distribution Amount exclusive of the portion
thereof consisting of the Extra Principal Distribution Amount being applied
first and the Extra Principal Distribution Amount being applied thereafter):

            (i) For each Distribution Date prior to the Stepdown Date or on
      which a Trigger Event is in effect, sequentially:

                  (A) sequentially:

                        (a) to the Class A-R Certificates, until its Class
                  Certificate Balance is reduced to zero; and

                        (b) concurrently, to the Class A-1, Class A-2 and Class
                  A-3 Certificates, pro rata, until their respective Class
                  Certificate Balances are reduced to zero:

                  (B) from the remaining Principal Distribution Amount, in the
            following order of priority:

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



                                      73
<PAGE>

                  Certificates, in that order, until their respective Class
                  Certificate Balances are reduced to zero; and

                        (ii) any remainder as part of the Excess Cashflow.

            (ii) For each Distribution Date on or after the Stepdown Date and
      so long as a Trigger Event is not in effect, sequentially:

                  (A) from the Principal Distribution Amount, in an amount up
            to the Senior Principal Distribution Target Amount, to the Class
            A-1, Class A-2 and Class A-3 Certificates, pro rata, until their
            respective Class Certificate Balances are reduced to zero;

                  (B) from the remaining Principal Distribution Amount, in the
            following order of priority:

                         (i) sequentially, to the Class M-1, Class M-2, Class
                  M-3, Class M-4, Class M-5, Class M-6, Class M-7, Class M-8
                  and Class M-9 Certificates, in that order, the Subordinated
                  Class Principal Distribution Target Amount for each such
                  Class, in each case until its Class Certificate Balance is
                  reduced to zero; and

                        (ii) any remainder as part of the Excess Cashflow.

      (c) Distributions of Excess Cashflow. With respect to any Distribution
Date, any Excess Cashflow will be paid to the Classes of Certificates in the
following order of priority, in each case to the extent of remaining Excess
Cashflow:

            (i) to the Classes of Offered Certificates then entitled to receive
      distributions in respect of principal, in an aggregate amount equal to
      the Extra Principal Distribution Amount payable to the related Classes of
      Certificates as part of the Principal Distribution Amount pursuant to
      Section 4.02(b) hereof;

            (ii) sequentially, to the Class A-1, Class A-2 and Class A-3
      Certificates, in that order, in an amount up to the Unpaid Realized Loss
      Amount for each such Class;

            (iii) sequentially, to the Class M-1, Class M-2, Class M-3, Class
      M-4, Class M-5, Class M-6, Class M-7, Class M-8 and Class M-9
      Certificates, in that order, in each case, first in an amount up to any
      remaining Current Interest and Interest Carry Forward Amount for each
      such Class and Distribution Date and then in an amount up to the Unpaid
      Realized Loss Amount for such Class;

            (iv) to the Carryover Reserve Fund and then from the Carryover
      Reserve Fund, concurrently, to the Classes of LIBOR Certificates, pro
      rata based on their respective Class Certificate Balances to the extent
      needed to pay any unpaid Net Rate Carryover for each such Class; and then
      any Excess Cashflow remaining after such allocation to pay Net Rate
      Carryover based on Class Certificate Balances of the LIBOR Certificates
      will be distributed to each Class of LIBOR Certificates with respect to
      which there remains



                                      74
<PAGE>

      any unpaid Net Rate Carryover, pro rata, based on the amount of such
      unpaid Net Rate Carryover;

            (v) to the Class C-P Certificateholders, in an amount up to the
      Class C-P Distributable Amount for such Distribution Date; and

            (vi) to the Class A-R Certificates.

      (d)    [Reserved.]

      (e) To the extent that a Class of LIBOR Certificates receives interest in
excess of the related Net Rate Cap, such interest shall be deemed to have been
paid to the Carryover Reserve Fund and then paid by the Carryover Reserve Fund
to those Certificateholders. For purposes of the Code, amounts deemed deposited
in the Carryover Reserve Fund shall be deemed to have first been distributed to
the Class C-P Certificates.

      (f) On each Distribution Date, the Prepayment Charge Amount shall be
allocated and paid to the Class C-P Certificates.
      (g) Application of Applied Realized Loss Amounts. On each Distribution
Date, the Trustee shall allocate the Applied Realized Loss Amount to reduce the
applicable Class Certificate Balances in the following order of priority: (1)
sequentially, to the Class M-9, Class M-8, Class M-7, Class M-6, Class M-5,
Class M-4, Class M-3, Class M-2 and Class M-1 Certificates, in that order,
until their respective Class Certificate Balances are reduced to zero; (2) to
the Class A-3 Certificates until its Class Certificate Balance is reduced to
zero; (3) to the Class A-2 Certificates until its Class Certificate Balance is
reduced to zero and (4) to the Class A-1 Certificates until its Class
Certificate Balance is reduced to zero.

      (h) Application of Subsequent Recoveries. If Subsequent Recoveries have
been received with respect to a Liquidated Mortgage Loan, the amount of such
Subsequent Recoveries will be applied to increase the applicable Class
Certificate Balances in the following order of priority: (1) sequentially, to
the Class A-1, Class A-2 and Class A-3 Certificates, in that order, in an
amount up to their respective Unpaid Realized Loss Amounts; and (2)
sequentially, to the Class M-1, Class M-2, Class M-3, Class M-4, Class M-5,
Class M-6, Class M-7, Class M-8 and Class M-9 Certificates, in that order, in
an amount up to their respective Unpaid Realized Loss Amounts.

      Holders of such Certificates will not be entitled to any payment in
respect of Current Interest on the amount of such increases for any Interest
Accrual Period preceding the Distribution Date on which such increase occurs.
Any such increases shall be applied pro rata to the Certificate Balance of each
Certificate of such Class.

      SECTION 4.03.      Allocation of Net Deferred Interest.

      (a) For any Distribution Date, Net Deferred Interest will be allocated
among the Classes of interest-bearing Certificates in an amount equal to the
excess, if any, of (i) the amount of interest that accrued on such Class of
Certificates at its respective Pass-Through Rate during the Interest Accrual
Period related to that Distribution Date over (ii) the amount of interest that


                                       75
<PAGE>

accrued on such Class of Certificates at its respective Adjusted Cap Rate
during the Interest Accrual Period related to that Distribution Date.

      (b) Any Net Deferred Interest allocated to a Class of Certificates will
be added to the Class Certificate Balance of such Class of Certificates.

      SECTION 4.04.      [Reserved].

      SECTION 4.05.      [Reserved].

      SECTION 4.06.      Monthly Statements to Certificateholders.

      (a) Concurrently with each distribution on a Distribution Date, the
Trustee will forward by mail to each Rating Agency and make available to
Certificateholders on the Trustee's website
(http://www.bnyinvestorreporting.com) a statement generally setting forth the
information contained in Exhibit U.

      (b) The Trustee's responsibility for disbursing the above information to
the Certificateholders is limited to the availability, timeliness and accuracy
of the information provided by the Master Servicer.

      (c) On or before the fifth Business Day following the end of each
Prepayment Period (but in no event later than the third Business Day prior to
the related Distribution Date), the Master Servicer shall deliver to the
Trustee (which delivery may be by electronic data transmission) a report in
substantially the form set forth as Schedule VI hereto.

      (d) Within a reasonable period of time after the end of each calendar
year, the Trustee shall cause to be furnished to each Person who at any time
during the calendar year was a Certificateholder, a statement containing the
information set forth in items (1), (2) and (7) of Exhibit U aggregated for
such calendar year or applicable portion thereof during which such Person was a
Certificateholder. Such obligation of the Trustee shall be deemed to have been
satisfied to the extent that substantially comparable information shall be
provided by the Trustee pursuant to any requirements of the Code as from time
to time in effect.

      SECTION 4.07.      Determination of Pass-Through Rates for COFI
                         Certificates.

      The Pass-Through Rate for each Class of COFI Certificates for each
Interest Accrual Period after the initial Interest Accrual Period shall be
determined by the Trustee as provided below on the basis of the Index and the
applicable formulae appearing in footnotes corresponding to the COFI
Certificates in the table relating to the Certificates in the Preliminary
Statement.

      Except as provided below, with respect to each Interest Accrual Period
following the initial Interest Accrual Period, the Trustee shall not later than
two Business Days prior to such Interest Accrual Period but following the
publication of the applicable Index determine the Pass-Through Rate at which
interest shall accrue in respect of the COFI Certificates during the related
Interest Accrual Period.



                                      76
<PAGE>

      Except as provided below, the Index to be used in determining the
respective Pass-Through Rates for the COFI Certificates for a particular
Interest Accrual Period shall be COFI for the second calendar month preceding
the Outside Reference Date for such Interest Accrual Period. If at the Outside
Reference Date for any Interest Accrual Period, COFI for the second calendar
month preceding such Outside Refere


 
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