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POOLING AND SERVICING AGREEMENT

Pooling and Servicing Agreement

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GS MORTGAGE SECURITIES CORP

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Title: POOLING AND SERVICING AGREEMENT
Governing Law: Delaware     Date: 3/29/2006

POOLING AND SERVICING AGREEMENT, Parties: gs mortgage securities corp
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                                                                     EXHIBIT 4.1

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

                          GS MORTGAGE SECURITIES CORP.,

                                   Depositor,

                          [_________________________],

                                    Servicer,

                          [_________________________],

                                   Custodian,

                                        and

                          [_________________________],

                                     Trustee

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

                         POOLING AND SERVICING AGREEMENT

                             Dated as of [ ] 1, 200[ ]

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



                                   [Deal Name]

                                    [Series]


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


<PAGE>



<TABLE>
<CAPTION>
<S>                    <C>

                                TABLE OF CONTENTS


                                    ARTICLE I

                                   DEFINITIONS

Section 1.01           Definitions

                                    ARTICLE II

                          CONVEYANCE OF MORTGAGE LOANS;
                         REPRESENTATIONS AND WARRANTIES

Section 2.01           Conveyance of Mortgage Loans
Section 2.02           Acceptance by the Trustee of the Mortgage Loans
Section 2.03           Representations, Warranties and Covenants of the Servicer and each Custodian
Section 2.04           Execution and Delivery of Certificates
Section 2.05           REMIC Matters
Section 2.06           Representations and Warranties of the Depositor
Section 2.07           Enforcement of Obligations for Breach of Mortgage Loan Representations

                                   ARTICLE III

                          ADMINISTRATION AND SERVICING
                                 OF MORTGAGE LOANS

Section 3.01           Servicer to Service Mortgage Loans
Section 3.02           Subservicing Agreements between the Servicer and Subservicers
Section 3.03           Successor Subservicers
Section 3.04           Liability of the Servicer
Section 3.05           No Contractual Relationship between Subservicers and the Trustee
Section 3.06           Assumption or Termination of Subservicing Agreements by Trustee
Section 3.07           Collection of Certain Mortgage Loan Payments
Section 3.08           Subservicing Accounts
Section 3.09           Collection of Taxes, Assessments and Similar Items; Escrow Accounts
Section 3.10           Collection Account
Section 3.11           Withdrawals from the Collection Account
Section 3.12           Investment of Funds in the Collection Account and the Distribution Account
Section 3.13           Maintenance of Hazard Insurance, Errors and Omissions and Fidelity Coverage
Section 3.14           Enforcement of Due-on-Sale Clauses; Assumption Agreements
Section 3.15           Realization upon Defaulted Mortgage Loans
Section 3.16           Release of Mortgage Files
Section 3.17           Title, Conservation and Disposition of REO Property
Section 3.18           Notification of Adjustments
Section 3.19           Access to Certain Documentation and Information Regarding the Mortgage Loans
Section 3.20           Documents, Records and Funds in Possession of the Servicer to Be Held for the Trustee
Section 3.21           Servicing Compensation
Section 3.22           Annual Statement as to Compliance
Section 3.23           Annual Reports on Assessment of Compliance with Servicing Criteria; Annual
                           Independent Public Accountants' Attestation Report
Section 3.24           Trustee to Act as Servicer
Section 3.25           Compensating Interest
Section 3.26           Credit Reporting; Gramm-Leach-Bliley Act
Section 3.27           Excess Reserve Fund Account; Distribution Account
Section 3.28           Optional Purchase of Delinquent Mortgage Loans

                                    ARTICLE IV

                                DISTRIBUTIONS AND
                            ADVANCES BY THE SERVICER

Section 4.01           Advances
Section 4.02           Priorities of Distribution
Section 4.03           Monthly Statements to Certificateholders
Section 4.04           Certain Matters Relating to the Determination of LIBOR
Section 4.05           Allocation of Applied Realized Loss Amounts
Section 4.06           Supplemental Interest Trust

                                    ARTICLE V

                                THE CERTIFICATES

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

                                   ARTICLE VI

                          THE DEPOSITOR AND THE SERVICER

Section 6.01           Respective Liabilities of the Depositor and the Servicer
Section 6.02           Merger or Consolidation of the Depositor or the Servicer
Section 6.03           Limitation on Liability of the Depositor, the Servicer and Others
Section 6.04           Limitation on Resignation of the Servicer
Section 6.05           Additional Indemnification by the Servicer; Third Party Claims
Section 6.06           Servicing Rights Pledge

                                   ARTICLE VII

                                     DEFAULT

Section 7.01           Events of Default
Section 7.02           Trustee to Act; Appointment of Successor
Section 7.03           Notification to Certificateholders

                                  ARTICLE VIII

                             CONCERNING THE TRUSTEE

Section 8.01           Duties of the Trustee
Section 8.02           Certain Matters Affecting each Custodian and the Trustee
Section 8.03           Trustee Not Liable for Certificates or Mortgage Loans
Section 8.04           Trustee May Own Certificates
Section 8.05           Trustee's Fees and Expenses
Section 8.06           Eligibility Requirements for the Trustee
Section 8.07           Resignation and Removal of the Trustee
Section 8.08           Successor Trustee
Section 8.09           Merger or Consolidation of the Trustee
Section 8.10           Appointment of Co-Trustee or Separate Trustee
Section 8.11           Tax Matters
Section 8.12           Periodic Filings
Section 8.13           Tax Treatment of Upper-Tier Carry Forward Amounts, Basis Risk Carry Forward
                           Amounts, the Supplemental Interest Trust and the Interest Rate Swap Agreement
Section 8.14           Custodial Responsibilities
Section 8.15           Limitations on Custodial Responsibilities

                                   ARTICLE IX

                                   TERMINATION

Section 9.01           Termination upon Liquidation or Purchase of the Mortgage Loans
Section 9.02           Final Distribution on the Certificates
Section 9.03           Additional Termination Requirements

                                    ARTICLE X

                            MISCELLANEOUS PROVISIONS

Section 10.01          Amendment
Section 10.02          Recordation of Agreement; Counterparts
Section 10.03          Governing Law
Section 10.04          Intention of Parties
Section 10.05          Notices
Section 10.06          Severability of Provisions
Section 10.07          Assignment; Sales; Advance Facilities
Section 10.08          Limitation on Rights of Certificateholders
Section 10.09          Inspection and Audit Rights
Section 10.10          Certificates Nonassessable and Fully Paid
Section 10.11          Waiver of Jury Trial
Section 10.12          Limitation of Damages
Section 10.13          Rights of the Swap Provider
Section 10.14          No Solicitation
Section 10.15          Regulation AB Compliance; Intent of the Parties; Reasonableness

SCHEDULES

Schedule I         Mortgage Loan Schedule

Schedule II        Representations and Warranties of [Servicer], as Servicer

Schedule III       Representations and Warranties of [Custodian], as Custodian

EXHIBITS

Exhibit A-1        Form of Class A, Class M and Class B Certificates

Exhibit B          Form of Class P Certificate

Exhibit C          [Reserved]

Exhibit D-1        Form of Class R Certificate

Exhibit D-2        Form of Class RC Certificate

Exhibit D-3        Form of Class RX Certificate

Exhibit E          Form of Class X Certificate

Exhibit F          Form of Initial Certification of the Trustee and of the Custodian

Exhibit G          Form of Document Certification and Exception Report of the Trustee and of the
                       Custodian

Exhibit H          Form of Residual Transfer Affidavit

Exhibit I          Form of Transferor Certificate

Exhibit J          Form of Rule 144A Letter

Exhibit K          Form of Investment Letter (Non-Rule 144A)

Exhibit L          Form of Request for Release

Exhibit M          Contents of Each Mortgage File

Exhibit N          [Reserved]

Exhibit O          Form of Certification to be provided with Form 10-K

Exhibit P          Form of Trustee Certification to be provided to Depositor

Exhibit Q          Form of Servicer Certification to be provided to Depositor

Exhibit R          Form of Power of Attorney

Exhibit S          Representations and Warranties Agreement

Exhibit T          Servicing Criteria

Exhibit U          Additional Form 10-D Disclosure

Exhibit V          Additional Form 10-K Disclosure

Exhibit W          Form 8-K Disclosure Information

Exhibit X           Interest Rate Swap Agreement
</TABLE>



<PAGE>


            THIS POOLING AND SERVICING AGREEMENT, dated as of January 1, 2006,
among GS MORTGAGE SECURITIES CORP., a Delaware corporation (the "Depositor"),
[______________________], a Delaware limited partnership (the "Servicer"),
[______________________], a national banking association (the "Custodian"), and
[______________________], a national banking association, as trustee (the
"Trustee").

                              W I T N E S S E T H:

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

                              PRELIMINARY STATEMENT

            The Trustee shall elect that eight segregated asset pools within the
Trust Fund (exclusive of (i) the Prepayment Premiums, (ii) the Interest Rate
Swap Agreement, (iii) the Supplemental Interest Trust, (iv) the Excess Reserve
Fund Account and (v) the right of the LIBOR Certificates to receive Upper-Tier
Carry Forward Amounts and, without duplication, Basis Risk Carry Forward Amounts
and the obligation to pay Class IO Shortfalls) be treated for federal income tax
purposes as comprising eight REMICs (each, a "Trust REMIC" or, in the
alternative, Pooling-Tier REMIC-1, Pooling-Tier REMIC-2, the Lower-Tier REMIC,
the Upper-Tier REMIC, the Class B-1 REMIC, the Class B-2 REMIC, the Class B-3
REMIC and the Class X REMIC, respectively). The Class X Interest, Class IO
Interest and each Class of LIBOR Certificates (other than the right of each
Class of LIBOR Certificates to receive (i) Upper-Tier Carry Forward Amounts and,
without duplication, Basis Risk Carry Forward Amounts and (ii) the obligation to
pay Class IO Shortfalls) represents ownership of a regular interest in a REMIC
for purposes of the REMIC Provisions.

            The Class R Certificates represent ownership of the sole class of
residual interest in each of Pooling-Tier REMIC-2, the Lower-Tier REMIC and the
Upper-Tier REMIC for purposes of the REMIC Provisions. The Class RC Certificates
represent ownership of the sole class of residual interest in the Pooling-Tier
REMIC-1 for purposes of the REMIC Provisions. The Class RX Certificates
represent ownership of the sole class of residual interest in the Class B-1
REMIC, the Class B-2 REMIC, the Class B-3 REMIC and the Class X REMIC for
purposes of the REMIC Provisions. The Start-up Day for each REMIC described
herein is the Closing Date. The latest possible maturity date for each regular
interest is the latest date referenced in Section 2.05.

             The Class X REMIC shall hold as assets the Class UT-X Interest, the
Class UT-IO Interest and the Class UT-3 Interest as set out below. The
Upper-Tier REMIC shall hold as assets the several classes of uncertificated
Lower-Tier Regular Interests, set out below. The Lower-Tier REMIC shall hold as
assets the several classes of uncertificated Pooling-Tier REMIC-2 Regular
Interests. Pooling-Tier REMIC-2 shall hold as assets the several classes of
uncertificated Pooling-Tier REMIC-1 Regular Interests. Pooling-Tier REMIC-1
shall hold as assets the assets of the Trust Fund (exclusive of (i) the
Prepayment Premiums, (ii) the Interest Rate Swap Agreement, (iii) the
Supplemental Interest Trust, (iv) the Excess Reserve Fund Account and (v) the
right of the LIBOR Certificates to receive Upper-Tier Carry Forward Amounts and,
without duplication, Basis Risk Carry Forward Amounts and the obligation to pay
Class IO Shortfalls). Each such Lower Tier Regular Interest is hereby designated
as a regular interest in the Lower Tier REMIC. The Class LT-A-1, Class LT-A-2A,
Class LT-A-2B, Class LT-A-2C, Class LT-A-2D, Class LT-M-1, Class LT-M-2, Class
LT-M-3, Class LT-M-4, Class LT-M-5, Class LT-M-6, Class LT-M-7, Class LT-M-8,
Class LT-B-1, Class LT-B-2 and Class LT-B-3 Interests are hereby designated the
LT-Accretion Directed Classes (the "LT-Accretion Directed Classes").

            The Class B-1 REMIC shall hold as an asset the Class B-1 Interest
issued by the Upper-Tier REMIC, the Class B-1 Certificates shall represent
ownership of the regular interest issued by the Class B-1 REMIC and the Class
B1-R Interest shall represent the sole class residual interest in the Class B-1
REMIC.

            The Class B-2 REMIC shall hold as an asset the Class B-2 Interest
issued by the Upper-Tier REMIC, the Class B-2 Certificates shall represent
ownership of the regular interest issued by the Class B-2 REMIC and the Class
B2-R Interest shall represent the sole class residual interest in the Class B-2
REMIC.

            The Class B-3 REMIC shall hold as an asset the Class B-3 Interest
issued by the Upper-Tier REMIC, the Class B-3 Certificates shall represent
ownership of the regular interest issued by the Class B-3 REMIC and the Class
B3-R Interest shall represent the sole class residual interest in the Class B-3
REMIC.

            The Class X REMIC shall hold as an asset the Class UT-X Interest,
the Class UT-IO Interest and the Class UT-3 Interest issued by the Upper-Tier
REMIC, the Class X Interest shall represent the regular interest issued by the
Class X REMIC and the Class X-R Interest shall represent the sole class residual
interest in the Class X REMIC. The Class X Certificates represent beneficial
ownership of the Class X Interest, the Supplemental Interest Trust and the
Excess Reserve Fund Account.

            For federal income tax purposes, each Class of LIBOR Certificates
represents a beneficial ownership of a regular interest in the Upper-Tier REMIC,
the right to receive Upper-Tier Carry Forward Amounts (and, without duplication,
Basis Risk Carry Forward Amounts), the obligation to pay Class IO Shortfalls,
the Class X Certificates represent beneficial ownership of the Class X Interest,
the Class IO Interest, the Interest Rate Swap Agreement, the Supplemental
Interest Trust, the Excess Reserve Fund Account, the right to receive Class IO
Shortfalls, and the Class P Certificates represent beneficial ownership of the
Prepayment Premiums, which portions of the Trust Fund shall be treated as a
grantor trust.

                               Pooling-Tier REMIC-1

            Pooling-Tier REMIC-1 shall issue the following interests in
Pooling-Tier REMIC-1, and each such interest is hereby designated as a regular
interest in the Pooling-Tier REMIC-1. Pooling-Tier REMIC-1 Interests with an "I"
in their designation shall relate to Loan Group I and Pooling Tier REMIC-1
Interests with a "II" in their designation shall relate to Loan Group II.
Pooling-Tier REMIC-1 shall also issue the Class RC Certificates. The Class RC
Certificates are hereby designated as the sole class of residual interest in
Pooling-Tier REMIC-1. The Class RC Certificates shall have a $[ ] Class
Certificate Balance and shall have no interest rate.

                                     Pooling-Tier      Initial Pooling-Tier
   Pooling-Tier                         REMIC-1                REMIC-1
  REMIC-1 Interest                    Interest Rate        Principal Amount
---------------------------        -----------------   -----------------------
Class PT1-I-1                             (1)           $     [_________]
Class PT1-I-2A                            (2)           $     [_________]
Class PT1-I-2B                            (3)           $     [_________]
Class PT1-I-3A                            (2)           $     [_________]
Class PT1-I-3B                            (3)           $     [_________]
Class PT1-I-4A                            (2)           $     [_________]
Class PT1-I-4B                            (3)           $     [_________]
Class PT1-I-5A                            (2)           $      [_________]
Class PT1-I-5B                            (3)           $     [_________]
Class PT1-I-6A                            (2)           $     [_________]
Class PT1-I-6B                            (3)           $     [_________]
Class PT1-I-7A                             (2)           $     [_________]
Class PT1-I-7B                            (3)           $     [_________]
Class PT1-I-8A                            (2)           $     [_________]
Class PT1-I-8B                            (3)           $     [_________]
Class PT1-I-9A                            (2)           $     [_________]
Class PT1-I-9B                            (3)           $     [_________]
Class PT1-I-10A                           (2)           $     [_________]
Class PT1-I-10B                           (3)           $     [_________]
Class PT1-I-11A                           (2)           $     [_________]
Class PT1-I-11B                           (3)           $     [_________]
Class PT1-I-12A                           (2)           $     [_________]
Class PT1-I-12B                           (3)           $     [_________]
Class PT1-I-13A                           (2)           $     [_________]
Class PT1-I-13B                           (3)           $     [_________]
Class PT1-I-14A                           (2)           $     [_________]
Class PT1-I-14B                           (3)           $     [_________]
Class PT1-I-15A                           (2)           $     [_________]
Class PT1-I-15B                           (3)           $     [_________]
Class PT1-I-16A                            (2)           $     [_________]
Class PT1-I-16B                           (3)           $     [_________]
Class PT1-I-17A                           (2)           $     [_________]
Class PT1-I-17B                           (3)           $     [_________]
Class PT1-I-18A                           (2)           $     [_________]
Class PT1-I-18B                           (3)           $     [_________]
Class PT1-I-19A                           (2)           $     [_________]
Class PT1-I-19B                           (3)            $     [_________]
Class PT1-I-20A                           (2)           $     [_________]
Class PT1-I-20B                           (3)           $     [_________]
Class PT1-I-21A                           (2)           $     [_________]
Class PT1-I-21B                            (3)           $     [_________]
Class PT1-I-22A                           (2)           $     [_________]
Class PT1-I-22B                           (3)           $     [_________]
Class PT1-I-23A                           (2)           $     [_________]
Class PT1-I-23B                           (3)           $     [_________]
Class PT1-I-24A                           (2)           $     [_________]
Class PT1-I-24B                           (3)           $     [_________]
Class PT1-I-25A                            (2)           $     [_________]
Class PT1-I-25B                           (3)           $     [_________]
Class PT1-I-26A                           (2)           $     [_________]
Class PT1-I-26B                           (3)           $     [_________]
Class PT1-I-27A                           (2)           $     [_________]
Class PT1-I-27B                           (3)           $     [_________]
Class PT1-I-28A                           (2)           $     [_________]
Class PT1-I-28B                           (3)            $     [_________]
Class PT1-I-29A                           (2)           $     [_________]
Class PT1-I-29B                           (3)           $     [_________]
Class PT1-I-30A                           (2)           $     [_________]
Class PT1-I-30B                            (3)           $     [_________]
Class PT1-I-31A                           (2)           $     [_________]
Class PT1-I-31B                           (3)           $     [_________]
Class PT1-I-32A                           (2)           $     [_________]
Class PT1-I-32B                           (3)           $     [_________]
Class PT1-I-33A                           (2)           $     [_________]
Class PT1-I-33B                           (3)           $     [_________]
Class PT1-I-34A                            (2)           $     [_________]
Class PT1-I-34B                           (3)           $     [_________]
Class PT1-I-35A                           (2)           $     [_________]
Class PT1-I-35B                           (3)           $     [_________]
Class PT1-I-36A                           (2)           $     [_________]
Class PT1-I-36B                           (3)           $     [_________]
Class PT1-I-37A                           (2)           $     [_________]
Class PT1-I-37B                           (3)            $     [_________]
Class PT1-I-38A                           (2)           $     [_________]
Class PT1-I-38B                           (3)           $     [_________]
Class PT1-I-39A                           (2)           $     [_________]
Class PT1-I-39B                            (3)           $     [_________]
Class PT1-I-40A                           (2)           $     [_________]
Class PT1-I-40B                           (3)           $     [_________]
Class PT1-I-41A                           (2)           $     [_________]
Class PT1-I-41B                           (3)           $     [_________]
Class PT1-I-42A                           (2)           $     [_________]
Class PT1-I-42B                           (3)           $     [_________]
Class PT1-I-43A                            (2)           $     [_________]
Class PT1-I-43B                           (3)           $     [_________]
Class PT1-I-44A                           (2)           $     [_________]
Class PT1-I-44B                           (3)           $     [_________]
Class PT1-I-45A                           (2)           $     [_________]
Class PT1-I-45B                           (3)           $     [_________]
Class PT1-I-46A                           (2)           $     [_________]
Class PT1-I-46B                           (3)            $     [_________]
Class PT1-I-47A                           (2)           $     [_________]
Class PT1-I-47B                           (3)           $     [_________]
Class PT1-I-48A                           (2)           $     [_________]
Class PT1-I-48B                            (3)           $     [_________]
Class PT1-I-49A                           (2)           $     [_________]
Class PT1-I-49B                           (3)           $     [_________]
Class PT1-I-50A                           (2)           $     [_________]
Class PT1-I-50B                           (3)           $     [_________]
Class PT1-I-51A                           (2)           $     [_________]
Class PT1-I-51B                           (3)           $     [_________]
Class PT1-I-52A                            (2)           $     [_________]
Class PT1-I-52B                           (3)           $     [_________]
Class PT1-I-53A                           (2)           $     [_________]
Class PT1-I-53B                           (3)           $     [_________]
Class PT1-I-54A                           (2)           $     [_________]
Class PT1-I-54B                           (3)           $     [_________]
Class PT1-I-55A                           (2)           $     [_________]
Class PT1-I-55B                           (3)           $     [_________]
Class PT1-I-56A                           (2)           $     [_________]
Class PT1-I-56B                           (3)           $     [_________]
Class PT1-I-57A                           (2)           $     [_________]
Class PT1-I-57B                            (3)           $     [_________]
Class PT1-I-58A                           (2)           $     [_________]
Class PT1-I-58B                           (3)           $     [_________]
Class PT1-I-59A                           (2)           $     [_________]
Class PT1-I-59B                           (3)           $     [_________]
Class PT1-I-60A                           (2)           $     [_________]
Class PT1-I-60B                           (3)           $     [_________]
Class PT1-I-61A                           (2)           $     [_________]
Class PT1-I-61B                           (3)           $     [_________]
Class PT1-II-1                            (4)           $     [_________]
Class PT1-II-2A                           (5)           $     [_________]
Class PT1-II-2B                           (6)           $     [_________]
Class PT1-II-3A                           (5)           $     [_________]
Class PT1-II-3B                           (6)           $     [_________]
Class PT1-II-4A                           (5)           $     [_________]
Class PT1-II-4B                           (6)           $     [_________]
Class PT1-II-5A                           (5)           $     [_________]
Class PT1-II-5B                           (6)           $     [_________]
Class PT1-II-6A                            (5)           $     [_________]
Class PT1-II-6B                           (6)           $     [_________]
Class PT1-II-7A                           (5)           $     [_________]
Class PT1-II-7B                           (6)           $     [_________]
Class PT1-II-8A                           (5)           $     [_________]
Class PT1-II-8B                           (6)           $     [_________]
Class PT1-II-9A                           (5)           $     [_________]
Class PT1-II-9B                           (6)           $     [_________]
Class PT1-II-10A                          (5)           $     [_________]
Class PT1-II-10B                          (6)           $     [_________]
Class PT1-II-11A                          (5)           $     [_________]
Class PT1-II-11B                          (6)           $     [_________]
Class PT1-II-12A                          (5)           $     [_________]
Class PT1-II-12B                          (6)           $     [_________]
Class PT1-II-13A                          (5)           $      [_________]
Class PT1-II-13B                          (6)           $     [_________]
Class PT1-II-14A                          (5)           $     [_________]
Class PT1-II-14B                          (6)           $     [_________]
Class PT1-II-15A                           (5)           $     [_________]
Class PT1-II-15B                          (6)           $     [_________]
Class PT1-II-16A                          (5)           $     [_________]
Class PT1-II-16B                          (6)           $     [_________]
Class PT1-II-17A                          (5)           $     [_________]
Class PT1-II-17B                          (6)           $     [_________]
Class PT1-II-18A                          (5)           $     [_________]
Class PT1-II-18B                          (6)           $     [_________]
Class PT1-II-19A                          (5)           $     [_________]
Class PT1-II-19B                          (6)           $     [_________]
Class PT1-II-20A                          (5)           $     [_________]
Class PT1-II-20B                          (6)           $     [_________]
Class PT1-II-21A                          (5)           $     [_________]
Class PT1-II-21B                          (6)           $     [_________]
Class PT1-II-22A                          (5)           $     [_________]
Class PT1-II-22B                          (6)           $     [_________]
Class PT1-II-23A                          (5)           $     [_________]
Class PT1-II-23B                          (6)           $     [_________]
Class PT1-II-24A                           (5)           $     [_________]
Class PT1-II-24B                          (6)           $     [_________]
Class PT1-II-25A                          (5)           $     [_________]
Class PT1-II-25B                          (6)           $     [_________]
Class PT1-II-26A                          (5)           $     [_________]
Class PT1-II-26B                          (6)           $     [_________]
Class PT1-II-27A                          (5)           $     [_________]
Class PT1-II-27B                          (6)            $     [_________]
Class PT1-II-28A                          (5)           $     [_________]
Class PT1-II-28B                          (6)           $     [_________]
Class PT1-II-29A                          (5)           $     [_________]
Class PT1-II-29B                           (6)           $     [_________]
Class PT1-II-30A                          (5)           $     [_________]
Class PT1-II-30B                          (6)           $     [_________]
Class PT1-II-31A                          (5)           $     [_________]
Class PT1-II-31B                          (6)           $     [_________]
Class PT1-II-32A                          (5)           $     [_________]
Class PT1-II-32B                          (6)           $     [_________]
Class PT1-II-33A                           (5)           $     [_________]
Class PT1-II-33B                          (6)           $     [_________]
Class PT1-II-34A                          (5)           $     [_________]
Class PT1-II-34B                          (6)           $     [_________]
Class PT1-II-35A                          (5)           $     [_________]
Class PT1-II-35B                          (6)           $     [_________]
Class PT1-II-36A                          (5)           $     [_________]
Class PT1-II-36B                          (6)            $     [_________]
Class PT1-II-37A                          (5)           $     [_________]
Class PT1-II-37B                          (6)           $     [_________]
Class PT1-II-38A                          (5)           $     [_________]
Class PT1-II-38B                           (6)           $     [_________]
Class PT1-II-39A                          (5)           $     [_________]
Class PT1-II-39B                          (6)           $     [_________]
Class PT1-II-40A                          (5)           $     [_________]
Class PT1-II-40B                          (6)           $     [_________]
Class PT1-II-41A                          (5)           $     [_________]
Class PT1-II-41B                          (6)           $     [_________]
Class PT1-II-42A                           (5)           $     [_________]
Class PT1-II-42B                          (6)           $     [_________]
Class PT1-II-43A                          (5)           $     [_________]
Class PT1-II-43B                          (6)           $     [_________]
Class PT1-II-44A                          (5)           $     [_________]
Class PT1-II-44B                          (6)           $     [_________]
Class PT1-II-45A                          (5)           $     [_________]
Class PT1-II-45B                          (6)            $     [_________]
Class PT1-II-46A                          (5)           $     [_________]
Class PT1-II-46B                          (6)           $     [_________]
Class PT1-II-47A                          (5)           $     [_________]
Class PT1-II-47B                           (6)           $     [_________]
Class PT1-II-48A                          (5)           $     [_________]
Class PT1-II-48B                          (6)           $     [_________]
Class PT1-II-49A                          (5)           $     [_________]
Class PT1-II-49B                          (6)           $     [_________]
Class PT1-II-50A                          (5)           $     [_________]
Class PT1-II-50B                          (6)           $     [_________]
Class PT1-II-51A                           (5)           $     [_________]
Class PT1-II-51B                          (6)           $     [_________]
Class PT1-II-52A                          (5)           $     [_________]
Class PT1-II-52B                          (6)           $     [_________]
Class PT1-II-53A                          (5)           $     [_________]
Class PT1-II-53B                          (6)           $     [_________]
Class PT1-II-54A                          (5)           $     [_________]
Class PT1-II-54B                          (6)            $     [_________]
Class PT1-II-55A                          (5)           $     [_________]
Class PT1-II-55B                          (6)           $     [_________]
Class PT1-II-56A                          (5)           $     [_________]
Class PT1-II-56B                           (6)           $     [_________]
Class PT1-II-57A                          (5)           $     [_________]
Class PT1-II-57B                          (6)           $     [_________]
Class PT1-II-58A                          (5)           $     [_________]
Class PT1-II-58B                          (6)           $     [_________]
Class PT1-II-59A                          (5)           $     [_________]
Class PT1-II-59B                          (6)           $     [_________]
Class PT1-II-60A                           (5)           $     [_________]
Class PT1-II-60B                          (6)           $     [_________]
Class PT1-II-61A                          (5)           $     [_________]
Class PT1-II-61B                          (6)           $     [_________]
Class PT1-R                               (7)           $     [_________]

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

(1)    For any Distribution Date (and the related Interest Accrual Period), this
      Pooling-Tier REMIC-1 Regular Interest shall bear interest at a per annum
      rate (its "Pooling-Tier REMIC-1 Interest Rate") equal to the Pooling-Tier
      REMIC-1 Loan Group I WAC Rate.

(2)    For any Distribution Date (and the related Interest Accrual Period) this
      Pooling-Tier REMIC-1 Regular Interest shall bear interest at a per annum
      rate (its "Pooling-Tier REMIC-1 Interest Rate") equal to the product of
      (i) 2 and (ii) the Pooling-Tier REMIC-1 Loan Group I WAC Rate, subject to
      a maximum rate of [______]%.

(3)    For any Distribution Date (and the related Interest Accrual Period) this
      Pooling-Tier REMIC-1 Regular Interest shall bear interest at a per annum
      rate (its "Pooling-Tier REMIC-1 Interest Rate") equal to the excess, if
      any, of (A) the product of (i) 2 and (ii) the Pooling-Tier REMIC-1 Loan
      Group I WAC Rate over B) [______]%.

(4)    For any Distribution Date (and the related Interest Accrual Period), this
      Pooling-Tier REMIC-1 Regular Interest shall bear interest at a per annum
      rate (its "Pooling-Tier REMIC-1 Interest Rate") equal to the Pooling-Tier
      REMIC-1 Loan Group II WAC Rate.

(5)    For any Distribution Date (and the related Interest Accrual Period) this
      Pooling-Tier REMIC-1 Regular Interest shall bear interest at a per annum
      rate (its "Pooling-Tier REMIC-1 Interest Rate") equal to the product of
      (i) 2 and (ii) the Pooling-Tier REMIC-1 Loan Group II WAC Rate, subject to
      a maximum rate of [______]%.

(6)    For any Distribution Date (and the related Interest Accrual Period) this
      Pooling-Tier REMIC-1 Regular Interest shall bear interest at a per annum
      rate (its "Pooling-Tier REMIC-1 Interest Rate") equal to the excess, if
      any, of (A) the product of (i) 2 and (ii) the Pooling-Tier REMIC-1 Loan
      Group II WAC Rate over (B) [______]%.

(7)    The Class PT1-R Interest shall not bear interest.

            On each Distribution Date, the Trustee shall first pay from the
Trust Fund and charge as an expense of Pooling-Tier REMIC-1 all expenses of the
Trust for such Distribution Date. Such expense, other than Servicing Fees, the
Custodian Fees and Trustee Fees, shall be allocated in the same manner as
Realized Losses.

            On each Distribution Date, the interest distributable in respect of
the Mortgage Loans from the related Loan Group for such Distribution Date shall
be deemed to be distributed to the Pooling-Tier REMIC-1 Regular Interests at the
rates shown above.

            On each Distribution Date, Realized Losses, Subsequent Recoveries
and payments of principal in respect of the Group I Mortgage Loans shall be
allocated to the Class RC Certificates pursuant to Section 4.02(a)(iii) until
its Class Certificate Balance is reduced to zero, then to the outstanding
Pooling-Tier REMIC-1 Regular Interest relating to Loan Group I with the lowest
numerical denomination (other than the Class PT1-I-1 Interest) until the
Pooling-Tier REMIC-1 Principal Amount of such interest is reduced to zero,
provided that, with respect to Pooling-Tier REMIC-1 Regular Interests relating
to Loan Group I with the same numerical denomination, such Realized Losses and
payments of principal shall be allocated pro rata between such Pooling-Tier
REMIC-1 Regular Interests, and then to the Class PT1-I-1 Interest until the
Pooling-Tier REMIC-1 Principal Amount of such interest is reduced to zero.

            On each Distribution Date, Realized Losses, Subsequent Recoveries
and payments of principal in respect of the Group II Mortgage Loans shall be
allocated to the outstanding Pooling-Tier REMIC-1 Regular Interest relating to
Loan Group II with the lowest numerical denomination (other than the Class
PT1-II-1 Interest) until the Pooling-Tier REMIC-1 Principal Amount of such
interest is reduced to zero, provided that, with respect to Pooling-Tier REMIC-1
Regular Interests relating to Loan Group II with the same numerical
denomination, such Realized Losses and payments of principal shall be allocated
pro rata between such Pooling-Tier REMIC-1 Regular Interests, and then to the
Class PT1-II-1 Interest until the Pooling-Tier REMIC-1 Principal Amount of such
interest is reduced to zero.

                              Pooling-Tier REMIC-2

            Pooling-Tier REMIC-2 shall issue the following interests in
Pooling-Tier REMIC-2, and each such interest, other than the Class PT2-R
Interest, is hereby designated as a regular interest in Pooling-Tier REMIC-2.
Pooling-Tier REMIC-2 Interests with an "I" in their designation shall relate to
Loan Group I and Pooling Tier REMIC-2 Interests with a "II" in their designation
shall relate to Loan Group II. The Class PT2-R Interest is hereby designated as
the sole class of residual interest in Pooling-Tier REMIC-2 and shall be
represented by the Class R Certificates.


<TABLE>
<CAPTION>
                           Pooling-Tier     Pooling-Tier REMIC-2        Corresponding           Corresponding           Corresponding
  Pooling-Tier REMIC-2        REMIC-2         Initial Principal      Pooling-Tier REMIC-2    Pooling-Tier REMIC-1     Scheduled Crossover
        Interest           Interest Rate            Amount                    IO               Regular Interest        Distribution Date
------------------------ ---------------- ---------------------- ---------------------- ---------------------- ---------------------
<S>                       <C>                <C>                     <C>                     <C>                     <C>
Class PT2-I-1                   (1)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-2A                  (2)             $     [_________]     Class PT2-I-IO-2                 N/A                     N/A
Class PT2-I-2B                  (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-3A                  (2)             $     [_________]     Class PT2-I-IO-3                 N/A                     N/A
Class PT2-I-3B                  (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-4A                  (2)             $     [_________]     Class PT2-I-IO-4                 N/A                     N/A
Class PT2-I-4B                  (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-5A                  (2)             $     [_________]      Class PT2-I-IO-5                 N/A                     N/A
Class PT2-I-5B                  (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-6A                  (2)             $     [_________]     Class PT2-I-IO-6                 N/A                     N/A
Class PT2-I-6B                  (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-7A                  (2)             $     [_________]     Class PT2-I-IO-7                 N/A                     N/A
Class PT2-I-7B                  (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-8A                  (2)             $     [_________]     Class PT2-I-IO-8                 N/A                     N/A
Class PT2-I-8B                  (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-9A                  (2)             $     [_________]     Class PT2-I-IO-9                  N/A                     N/A
Class PT2-I-9B                  (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-10A                 (2)             $     [_________]     Class PT2-I-IO-10                 N/A                     N/A
Class PT2-I-10B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-11A                 (2)             $     [_________]     Class PT2-I-IO-11                N/A                     N/A
Class PT2-I-11B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-12A                 (2)             $     [_________]     Class PT2-I-IO-12                N/A                      N/A
Class PT2-I-12B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-13A                 (2)             $     [_________]     Class PT2-I-IO-13                N/A                      N/A
Class PT2-I-13B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-14A                 (2)             $     [_________]     Class PT2-I-IO-14                N/A                      N/A
Class PT2-I-14B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-15A                 (2)             $     [_________]     Class PT2-I-IO-15                N/A                     N/A
Class PT2-I-15B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-16A                 (2)             $     [_________]     Class PT2-I-IO-16                N/A                     N/A
Class PT2-I-16B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-17A                 (2)             $     [_________]     Class PT2-I-IO-17                N/A                     N/A
Class PT2-I-17B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-18A                 (2)             $     [_________]     Class PT2-I-IO-18                N/A                     N/A
Class PT2-I-18B                  (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-19A                 (2)             $     [_________]     Class PT2-I-IO-19                N/A                     N/A
Class PT2-I-19B                  (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-20A                 (2)             $     [_________]     Class PT2-I-IO-20                N/A                     N/A
Class PT2-I-20B                  (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-21A                 (2)             $     [_________]     Class PT2-I-IO-21                N/A                     N/A
Class PT2-I-21B                 (3)              $     [_________]              N/A                     N/A                     N/A
Class PT2-I-22A                 (2)             $     [_________]     Class PT2-I-IO-22                N/A                     N/A
Class PT2-I-22B                 (3)              $     [_________]              N/A                     N/A                     N/A
Class PT2-I-23A                 (2)             $     [_________]     Class PT2-I-IO-23                N/A                     N/A
Class PT2-I-23B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-24A                 (2)             $     [_________]     Class PT2-I-IO-24                N/A                     N/A
Class PT2-I-24B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-25A                 (2)             $     [_________]     Class PT2-I-IO-25                N/A                     N/A
Class PT2-I-25B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-26A                 (2)             $     [_________]     Class PT2-I-IO-26                N/A                     N/A
Class PT2-I-26B                 (3)             $     [_________]               N/A                     N/A                     N/A
Class PT2-I-27A                 (2)             $     [_________]     Class PT2-I-IO-27                N/A                     N/A
Class PT2-I-27B                 (3)             $     [_________]               N/A                     N/A                     N/A
Class PT2-I-28A                 (2)             $     [_________]     Class PT2-I-IO-28                N/A                     N/A
Class PT2-I-28B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-29A                 (2)             $     [_________]     Class PT2-I-IO-29                N/A                     N/A
Class PT2-I-29B                 (3)             $     [_________]              N/A                      N/A                     N/A
Class PT2-I-30A                 (2)             $     [_________]     Class PT2-I-IO-30                N/A                     N/A
Class PT2-I-30B                 (3)             $     [_________]              N/A                      N/A                     N/A
Class PT2-I-31A                 (2)             $     [_________]     Class PT2-I-IO-31                N/A                     N/A
Class PT2-I-31B                 (3)             $     [_________]              N/A                      N/A                     N/A
Class PT2-I-32A                 (2)             $     [_________]     Class PT2-I-IO-32                N/A                     N/A
Class PT2-I-32B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-33A                 (2)             $     [_________]     Class PT2-I-IO-33                N/A                     N/A
Class PT2-I-33B                 (3)             $     [_________]              N/A                     N/A                      N/A
Class PT2-I-34A                 (2)             $     [_________]     Class PT2-I-IO-34                N/A                     N/A
Class PT2-I-34B                 (3)             $     [_________]              N/A                     N/A                      N/A
Class PT2-I-35A                 (2)             $     [_________]     Class PT2-I-IO-35                N/A                     N/A
Class PT2-I-35B                 (3)             $     [_________]              N/A                     N/A                      N/A
Class PT2-I-36A                 (2)             $     [_________]     Class PT2-I-IO-36                N/A                     N/A
Class PT2-I-36B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-37A                 (2)             $     [_________]     Class PT2-I-IO-37                N/A                     N/A
Class PT2-I-37B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-38A                 (2)             $     [_________]     Class PT2-I-IO-38                N/A                     N/A
Class PT2-I-38B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-39A                 (2)             $     [_________]     Class PT2-I-IO-39                N/A                     N/A
Class PT2-I-39B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-40A                  (2)             $     [_________]     Class PT2-I-IO-40                N/A                     N/A
Class PT2-I-40B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-41A                  (2)             $     [_________]     Class PT2-I-IO-41                N/A                     N/A
Class PT2-I-41B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-42A                 (2)             $     [_________]     Class PT2-I-IO-42                N/A                     N/A
Class PT2-I-42B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-43A                 (2)              $     [_________]     Class PT2-I-IO-43                N/A                     N/A
Class PT2-I-43B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-44A                 (2)              $     [_________]     Class PT2-I-IO-44                N/A                     N/A
Class PT2-I-44B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-45A                 (2)             $      [_________]     Class PT2-I-IO-45                N/A                     N/A
Class PT2-I-45B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-46A                 (2)             $     [_________]     Class PT2-I-IO-46                N/A                     N/A
Class PT2-I-46B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-47A                 (2)             $     [_________]     Class PT2-I-IO-47                N/A                     N/A
Class PT2-I-47B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-48A                 (2)             $     [_________]     Class PT2-I-IO-48                N/A                     N/A
Class PT2-I-48B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-49A                 (2)             $     [_________]     Class PT2-I-IO-49                N/A                     N/A
Class PT2-I-49B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-50A                 (2)             $     [_________]     Class PT2-I-IO-50                N/A                     N/A
Class PT2-I-50B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-51A                 (2)             $     [_________]     Class PT2-I-IO-51                 N/A                     N/A
Class PT2-I-51B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-52A                 (2)             $     [_________]     Class PT2-I-IO-52                 N/A                     N/A
Class PT2-I-52B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-53A                 (2)             $     [_________]     Class PT2-I-IO-53                 N/A                     N/A
Class PT2-I-53B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-54A                 (2)             $     [_________]     Class PT2-I-IO-54                N/A                      N/A
Class PT2-I-54B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-55A                 (2)             $     [_________]     Class PT2-I-IO-55                N/A                      N/A
Class PT2-I-55B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-56A                 (2)             $     [_________]     Class PT2-I-IO-56                N/A                      N/A
Class PT2-I-56B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-57A                 (2)             $     [_________]     Class PT2-I-IO-57                N/A                     N/A
Class PT2-I-57B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-58A                 (2)             $     [_________]     Class PT2-I-IO-58                N/A                     N/A
Class PT2-I-58B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-59A                 (2)             $     [_________]     Class PT2-I-IO-59                N/A                     N/A
Class PT2-I-59B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-60A                 (2)             $     [_________]     Class PT2-I-IO-60                N/A                     N/A
Class PT2-I-60B                 (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-61A                 (2)             $     [_________]     Class PT2-I-IO-61                N/A                     N/A
Class PT2-I-61B                  (3)             $     [_________]              N/A                     N/A                     N/A
Class PT2-I-IO-2                (4)                  (4)                      N/A               Class PT1-I-2A       [                   ]
Class PT2-I-IO-3                 (4)                  (4)                      N/A               Class PT1-I-3A       [                   ]
Class PT2-I-IO-4                (4)                  (4)                      N/A               Class PT1-I-4A       [                   ]
Class PT2-I-IO-5                (4)                  (4)                      N/A               Class PT1-I-5A       [                   ]
Class PT2-I-IO-6                (4)                  (4)                      N/A               Class PT1-I-6A       [                   ]
Class PT2-I-IO-7                (4)                  (4)                      N/A               Class PT1-I-7A       [                   ]
Class PT2-I-IO-8                (4)                  (4)                      N/A               Class PT1-I-8A       [                    ]
Class PT2-I-IO-9                (4)                  (4)                      N/A               Class PT1-I-9A       [                   ]
Class PT2-I-IO-10               (4)                  (4)                      N/A               Class PT1-I-10A       [                   ]
Class PT2-I-IO-11               (4)                  (4)                      N/A               Class PT1-I-11A      [                   ]
Class PT2-I-IO-12               (4)                  (4)                      N/A               Class PT1-I-12A      [                   ]
Class PT2-I-IO-13               (4)                  (4)                      N/A               Class PT1-I-13A      [                   ]
Class PT2-I-IO-14               (4)                  (4)                      N/A                Class PT1-I-14A      [                   ]
Class PT2-I-IO-15               (4)                  (4)                      N/A               Class PT1-I-15A      [                   ]
Class PT2-I-IO-16               (4)                  (4)                      N/A                Class PT1-I-16A      [                   ]
Class PT2-I-IO-17               (4)                  (4)                      N/A               Class PT1-I-17A      [                   ]
Class PT2-I-IO-18               (4)                  (4)                       N/A               Class PT1-I-18A      [                   ]
Class PT2-I-IO-19               (4)                  (4)                      N/A               Class PT1-I-19A      [                   ]
Class PT2-I-IO-20               (4)                  (4)                       N/A               Class PT1-I-20A      [                   ]
Class PT2-I-IO-21               (4)                  (4)                      N/A               Class PT1-I-21A      [                   ]
Class PT2-I-IO-22               (4)                  (4)                      N/A               Class PT1-I-22A      [                   ]
Class PT2-I-IO-23               (4)                  (4)                      N/A               Class PT1-I-23A      [                   ]
Class PT2-I-IO-24               (4)                   (4)                      N/A               Class PT1-I-24A      [                   ]
Class PT2-I-IO-25               (4)                  (4)                      N/A               Class PT1-I-25A      [                   ]
Class PT2-I-IO-26               (4)                  (4)                      N/A               Class PT1-I-26A      [                   ]
Class PT2-I-IO-27               (4)                  (4)                      N/A               Class PT1-I-27A      [                   ]
Class PT2-I-IO-28                (4)                  (4)                      N/A               Class PT1-I-28A      [                   ]
Class PT2-I-IO-29               (4)                  (4)                      N/A               Class PT1-I-29A      [                   ]
Class PT2-I-IO-30               (4)                  (4)                      N/A               Class PT1-I-30A      [                   ]
Class PT2-I-IO-31               (4)                  (4)                      N/A               Class PT1-I-31A      [                   ]
Class PT2-I-IO-32               (4)                  (4)                      N/A               Class PT1-I-32A      [                   ]
Class PT2-I-IO-33               (4)                  (4)                      N/A               Class PT1-I-33A      [                    ]
Class PT2-I-IO-34               (4)                  (4)                      N/A               Class PT1-I-34A      [                   ]
Class PT2-I-IO-35               (4)                  (4)                      N/A               Class PT1-I-35A      [                   ]
Class PT2-I-IO-36               (4)                  (4)                      N/A               Class PT1-I-36A      [                   ]
Class PT2-I-IO-37               (4)                  (4)                      N/A               Class PT1-I-37A      [                   ]
Class PT2-I-IO-38               (4)                  (4)                      N/A               Class PT1-I-38A      [                   ]
Class PT2-I-IO-39               (4)                  (4)                      N/A               Class PT1-I-39A      [                   ]
Class PT2-I-IO-40               (4)                  (4)                      N/A               Class PT1-I-40A      [                   ]
Class PT2-I-IO-41               (4)                  (4)                      N/A                Class PT1-I-41A      [                   ]
Class PT2-I-IO-42               (4)                  (4)                      N/A               Class PT1-I-42A      [                   ]
Class PT2-I-IO-43               (4)                  (4)                       N/A               Class PT1-I-43A      [                   ]
Class PT2-I-IO-44               (4)                  (4)                      N/A               Class PT1-I-44A      [                   ]
Class PT2-I-IO-45               (4)                  (4)                       N/A               Class PT1-I-45A      [                   ]
Class PT2-I-IO-46               (4)                  (4)                      N/A               Class PT1-I-46A      [                   ]
Class PT2-I-IO-47               (4)                  (4)                      N/A               Class PT1-I-47A      [                   ]
Class PT2-I-IO-48               (4)                  (4)                      N/A               Class PT1-I-48A      [                   ]
Class PT2-I-IO-49               (4)                   (4)                      N/A               Class PT1-I-49A      [                   ]
Class PT2-I-IO-50               (4)                  (4)                      N/A               Class PT1-I-50A      [                   ]
Class PT2-I-IO-51               (4)                  (4)                      N/A               Class PT1-I-51A      [                   ]
Class PT2-I-IO-52               (4)                  (4)                      N/A               Class PT1-I-52A      [                   ]
Class PT2-I-IO-53                (4)                  (4)                      N/A               Class PT1-I-53A      [                   ]
Class PT2-I-IO-54               (4)                  (4)                      N/A               Class PT1-I-54A      [                   ]
Class PT2-I-IO-55               (4)                  (4)                      N/A               Class PT1-I-55A      [                   ]
Class PT2-I-IO-56               (4)                  (4)                      N/A               Class PT1-I-56A      [                   ]
Class PT2-I-IO-57               (4)                  (4)                      N/A               Class PT1-I-57A      [                   ]
Class PT2-I-IO-58               (4)                  (4)                      N/A               Class PT1-I-58A      [                    ]
Class PT2-I-IO-59               (4)                  (4)                      N/A               Class PT1-I-59A      [                   ]
Class PT2-I-IO-60               (4)                  (4)                      N/A               Class PT1-I-60A      [                    ]
Class PT2-I-IO-61               (4)                  (4)                      N/A               Class PT1-I-61A      [                   ]
Class PT2-II-1                  (5)             $     [_________]              N/A                     N/A                      N/A
Class PT2-II-2A                 (6)             $     [_________]     Class PT2-II-IO-2                N/A                     N/A
Class PT2-II-2B                 (7)             $     [_________]              N/A                     N/A                      N/A
Class PT2-II-3A                 (6)             $     [_________]     Class PT2-II-IO-3                N/A                     N/A
Class PT2-II-3B                 (7)             $     [_________]              N/A                     N/A                      N/A
Class PT2-II-4A                 (6)             $     [_________]     Class PT2-II-IO-4                N/A                     N/A
Class PT2-II-4B                 (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-5A                 (6)             $     [_________]     Class PT2-II-IO-5                N/A                     N/A
Class PT2-II-5B                 (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-6A                 (6)             $     [_________]     Class PT2-II-IO-6                N/A                     N/A
Class PT2-II-6B                 (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-7A                 (6)             $     [_________]     Class PT2-II-IO-7                N/A                     N/A
Class PT2-II-7B                 (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-8A                  (6)             $     [_________]     Class PT2-II-IO-8                N/A                     N/A
Class PT2-II-8B                 (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-9A                  (6)             $     [_________]     Class PT2-II-IO-9                N/A                     N/A
Class PT2-II-9B                 (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-10A                 (6)             $     [_________]     Class PT2-II-IO-10               N/A                     N/A
Class PT2-II-10B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-11A                (6)              $     [_________]     Class PT2-II-IO-11               N/A                     N/A
Class PT2-II-11B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-12A                (6)              $     [_________]     Class PT2-II-IO-12               N/A                     N/A
Class PT2-II-12B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-13A                (6)             $     [_________]     Class PT2-II-IO-13               N/A                     N/A
Class PT2-II-13B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-14A                (6)             $     [_________]     Class PT2-II-IO-14               N/A                     N/A
Class PT2-II-14B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-15A                (6)             $     [_________]     Class PT2-II-IO-15               N/A                     N/A
Class PT2-II-15B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-16A                (6)             $     [_________]     Class PT2-II-IO-16               N/A                     N/A
Class PT2-II-16B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-17A                (6)             $     [_________]     Class PT2-II-IO-17               N/A                     N/A
Class PT2-II-17B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-18A                (6)             $     [_________]     Class PT2-II-IO-18               N/A                     N/A
Class PT2-II-18B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-19A                (6)             $     [_________]     Class PT2-II-IO-19               N/A                     N/A
Class PT2-II-19B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-20A                (6)             $     [_________]     Class PT2-II-IO-20                N/A                     N/A
Class PT2-II-20B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-21A                (6)             $     [_________]     Class PT2-II-IO-21                N/A                     N/A
Class PT2-II-21B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-22A                (6)             $     [_________]     Class PT2-II-IO-22               N/A                     N/A
Class PT2-II-22B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-23A                (6)             $     [_________]     Class PT2-II-IO-23               N/A                      N/A
Class PT2-II-23B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-24A                (6)             $     [_________]     Class PT2-II-IO-24               N/A                      N/A
Class PT2-II-24B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-25A                (6)             $     [_________]     Class PT2-II-IO-25               N/A                      N/A
Class PT2-II-25B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-26A                (6)             $     [_________]     Class PT2-II-IO-26               N/A                     N/A
Class PT2-II-26B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-27A                (6)             $     [_________]     Class PT2-II-IO-27               N/A                     N/A
Class PT2-II-27B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-28A                (6)             $     [_________]     Class PT2-II-IO-28               N/A                     N/A
Class PT2-II-28B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-29A                (6)             $     [_________]     Class PT2-II-IO-29               N/A                     N/A
Class PT2-II-29B                 (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-30A                (6)             $     [_________]     Class PT2-II-IO-30               N/A                     N/A
Class PT2-II-30B                 (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-31A                (6)             $     [_________]     Class PT2-II-IO-31               N/A                     N/A
Class PT2-II-31B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-32A                (6)             $     [_________]     Class PT2-II-IO-32               N/A                     N/A
Class PT2-II-32B                (7)              $     [_________]              N/A                     N/A                     N/A
Class PT2-II-33A                (6)             $     [_________]     Class PT2-II-IO-33               N/A                     N/A
Class PT2-II-33B                (7)              $     [_________]              N/A                     N/A                     N/A
Class PT2-II-34A                (6)             $     [_________]     Class PT2-II-IO-34               N/A                     N/A
Class PT2-II-34B                (7)             $      [_________]              N/A                     N/A                     N/A
Class PT2-II-35A                (6)             $     [_________]     Class PT2-II-IO-35               N/A                     N/A
Class PT2-II-35B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-36A                (6)             $     [_________]     Class PT2-II-IO-36               N/A                     N/A
Class PT2-II-36B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-37A                (6)             $     [_________]     Class PT2-II-IO-37               N/A                     N/A
Class PT2-II-37B                (7)             $     [_________]               N/A                     N/A                     N/A
Class PT2-II-38A                (6)             $     [_________]     Class PT2-II-IO-38               N/A                     N/A
Class PT2-II-38B                (7)             $     [_________]               N/A                     N/A                     N/A
Class PT2-II-39A                (6)             $     [_________]     Class PT2-II-IO-39               N/A                     N/A
Class PT2-II-39B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-40A                (6)             $     [_________]     Class PT2-II-IO-40               N/A                     N/A
Class PT2-II-40B                (7)             $     [_________]              N/A                      N/A                     N/A
Class PT2-II-41A                (6)             $     [_________]     Class PT2-II-IO-41               N/A                     N/A
Class PT2-II-41B                (7)             $     [_________]              N/A                      N/A                     N/A
Class PT2-II-42A                (6)             $     [_________]     Class PT2-II-IO-42               N/A                     N/A
Class PT2-II-42B                (7)             $     [_________]              N/A                      N/A                     N/A
Class PT2-II-43A                (6)             $     [_________]     Class PT2-II-IO-43               N/A                     N/A
Class PT2-II-43B                (7)             $     [_________]              N/A                     N/A                      N/A
Class PT2-II-44A                (6)             $     [_________]     Class PT2-II-IO-44               N/A                     N/A
Class PT2-II-44B                (7)             $     [_________]              N/A                     N/A                      N/A
Class PT2-II-45A                (6)             $     [_________]     Class PT2-II-IO-45               N/A                     N/A
Class PT2-II-45B                (7)             $     [_________]              N/A                     N/A                      N/A
Class PT2-II-46A                (6)             $     [_________]     Class PT2-II-IO-46               N/A                     N/A
Class PT2-II-46B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-47A                (6)             $     [_________]     Class PT2-II-IO-47               N/A                     N/A
Class PT2-II-47B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-48A                (6)             $     [_________]     Class PT2-II-IO-48               N/A                     N/A
Class PT2-II-48B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-49A                (6)             $     [_________]     Class PT2-II-IO-49               N/A                     N/A
Class PT2-II-49B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-50A                (6)             $     [_________]     Class PT2-II-IO-50               N/A                     N/A
Class PT2-II-50B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-51A                 (6)             $     [_________]     Class PT2-II-IO-51               N/A                     N/A
Class PT2-II-51B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-52A                 (6)             $     [_________]     Class PT2-II-IO-52               N/A                     N/A
Class PT2-II-52B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-53A                (6)             $     [_________]     Class PT2-II-IO-53               N/A                     N/A
Class PT2-II-53B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-54A                (6)              $     [_________]     Class PT2-II-IO-54               N/A                     N/A
Class PT2-II-54B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-55A                (6)              $     [_________]     Class PT2-II-IO-55               N/A                     N/A
Class PT2-II-55B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-56A                (6)             $      [_________]     Class PT2-II-IO-56               N/A                     N/A
Class PT2-II-56B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-57A                (6)             $     [_________]     Class PT2-II-IO-57               N/A                     N/A
Class PT2-II-57B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-58A                (6)             $     [_________]     Class PT2-II-IO-58               N/A                     N/A
Class PT2-II-58B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-59A                (6)             $     [_________]     Class PT2-II-IO-59               N/A                     N/A
Class PT2-II-59B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-60A                (6)             $     [_________]     Class PT2-II-IO-60               N/A                     N/A
Class PT2-II-60B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-61A                (6)             $     [_________]     Class PT2-II-IO-61               N/A                     N/A
Class PT2-II-61B                (7)             $     [_________]              N/A                     N/A                     N/A
Class PT2-II-IO-2               (4)                  (4)                      N/A                Class PT1-II-2A      [                   ]
Class PT2-II-IO-3               (4)                  (4)                      N/A               Class PT1-II-3A      [                   ]
Class PT2-II-IO-4               (4)                  (4)                      N/A               Class PT1-II-4A      [                   ]
Class PT2-II-IO-5               (4)                  (4)                      N/A               Class PT1-II-5A      [                   ]
Class PT2-II-IO-6               (4)                  (4)                       N/A               Class PT1-II-6A      [                   ]
Class PT2-II-IO-7               (4)                  (4)                      N/A               Class PT1-II-7A      [                   ]
Class PT2-II-IO-8               (4)                  (4)                       N/A               Class PT1-II-8A      [                   ]
Class PT2-II-IO-9               (4)                  (4)                      N/A               Class PT1-II-9A      [                   ]
Class PT2-II-IO-10              (4)                   (4)                      N/A              Class PT1-II-10A      [                   ]
Class PT2-II-IO-11              (4)                  (4)                      N/A              Class PT1-II-11A      [                   ]
Class PT2-II-IO-12              (4)                   (4)                      N/A              Class PT1-II-12A      [                   ]
Class PT2-II-IO-13              (4)                  (4)                      N/A              Class PT1-II-13A      [                   ]
Class PT2-II-IO-14               (4)                  (4)                      N/A              Class PT1-II-14A      [                   ]
Class PT2-II-IO-15              (4)                  (4)                      N/A              Class PT1-II-15A      [                   ]
Class PT2-II-IO-16              (4)                  (4)                      N/A              Class PT1-II-16A      [                   ]
Class PT2-II-IO-17              (4)                  (4)                      N/A              Class PT1-II-17A      [                   ]
Class PT2-II-IO-18              (4)                  (4)                      N/A              Class PT1-II-18A      [                   ]
Class PT2-II-IO-19              (4)                  (4)                      N/A              Class PT1-II-19A      [                    ]
Class PT2-II-IO-20              (4)                  (4)                      N/A              Class PT1-II-20A      [                   ]
Class PT2-II-IO-21              (4)                  (4)                      N/A              Class PT1-II-21A      [                    ]
Class PT2-II-IO-22              (4)                  (4)                      N/A              Class PT1-II-22A      [                   ]
Class PT2-II-IO-23              (4)                  (4)                      N/A              Class PT1-II-23A       [                   ]
Class PT2-II-IO-24              (4)                  (4)                      N/A              Class PT1-II-24A      [                   ]
Class PT2-II-IO-25              (4)                  (4)                      N/A              Class PT1-II-25A      [                   ]
Class PT2-II-IO-26              (4)                  (4)                      N/A              Class PT1-II-26A      [                   ]
Class PT2-II-IO-27              (4)                  (4)                      N/A               Class PT1-II-27A      [                   ]
Class PT2-II-IO-28              (4)                  (4)                      N/A              Class PT1-II-28A      [                   ]
Class PT2-II-IO-29              (4)                  (4)                      N/A              Class PT1-II-29A      [                   ]
Class PT2-II-IO-30              (4)                  (4)                      N/A              Class PT1-II-30A      [                   ]
Class PT2-II-IO-31              (4)                  (4)                       N/A              Class PT1-II-31A      [                   ]
Class PT2-II-IO-32              (4)                  (4)                      N/A              Class PT1-II-32A      [                   ]
Class PT2-II-IO-33              (4)                  (4)                       N/A              Class PT1-II-33A      [                   ]
Class PT2-II-IO-34              (4)                  (4)                      N/A              Class PT1-II-34A      [                   ]
Class PT2-II-IO-35              (4)                   (4)                      N/A              Class PT1-II-35A      [                   ]
Class PT2-II-IO-36              (4)                  (4)                      N/A              Class PT1-II-36A      [                   ]
Class PT2-II-IO-37              (4)                   (4)                      N/A              Class PT1-II-37A      [                   ]
Class PT2-II-IO-38              (4)                  (4)                      N/A              Class PT1-II-38A      [                   ]
Class PT2-II-IO-39               (4)                  (4)                      N/A              Class PT1-II-39A      [                   ]
Class PT2-II-IO-40              (4)                  (4)                      N/A              Class PT1-II-40A      [                   ]
Class PT2-II-IO-41              (4)                  (4)                      N/A              Class PT1-II-41A      [                   ]
Class PT2-II-IO-42              (4)                  (4)                      N/A              Class PT1-II-42A      [                   ]
Class PT2-II-IO-43              (4)                  (4)                      N/A              Class PT1-II-43A      [                   ]
Class PT2-II-IO-44              (4)                  (4)                      N/A              Class PT1-II-44A      [                   ]
Class PT2-II-IO-45              (4)                  (4)                      N/A              Class PT1-II-45A      [                   ]
Class PT2-II-IO-46              (4)                  (4)                      N/A              Class PT1-II-46A      [                    ]
Class PT2-II-IO-47              (4)                  (4)                      N/A              Class PT1-II-47A      [                   ]
Class PT2-II-IO-48              (4)                  (4)                      N/A              Class PT1-II-48A      [                   ]
Class PT2-II-IO-49              (4)                  (4)                      N/A              Class PT1-II-49A      [                   ]
Class PT2-II-IO-50              (4)                  (4)                      N/A              Class PT1-II-50A      [                   ]
Class PT2-II-IO-51              (4)                  (4)                      N/A              Class PT1-II-51A      [                   ]
Class PT2-II-IO-52              (4)                  (4)                      N/A              Class PT1-II-52A      [                   ]
Class PT2-II-IO-53              (4)                  (4)                      N/A              Class PT1-II-53A      [                   ]
Class PT2-II-IO-54              (4)                  (4)                      N/A               Class PT1-II-54A      [                   ]
Class PT2-II-IO-55              (4)                  (4)                      N/A              Class PT1-II-55A      [                   ]
Class PT2-II-IO-56              (4)                  (4)                       N/A              Class PT1-II-56A      [                   ]
Class PT2-II-IO-57              (4)                  (4)                      N/A              Class PT1-II-57A      [                   ]
Class PT2-II-IO-58              (4)                  (4)                       N/A              Class PT1-II-58A      [                   ]
Class PT2-II-IO-59              (4)                  (4)                      N/A              Class PT1-II-59A      [                   ]
Class PT2-II-IO-60              (4)                  (4)                      N/A              Class PT1-II-60A      [                   ]
Class PT2-II-IO-61              (4)                  (4)                      N/A              Class PT1-II-61A      [                   ]
Class PT2-R                     (8)                  $50.00                    N/A                     N/A                     N/A
</TABLE>

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

(1)       For any Distribution Date (and the related Interest Accrual Period),
         this Pooling-Tier REMIC-2 Regular Interest shall bear interest at a per
         annum rate (its "Pooling-Tier REMIC-2 Interest Rate") equal to the
         Pooling-Tier REMIC-1 Loan Group I WAC Rate.

(2)       For any Distribution Date (and the related Interest Accrual Period),
         this Pooling-Tier REMIC-2 Regular Interest shall bear interest at a per
         annum rate (its "Pooling-Tier REMIC-2 Interest Rate") equal to the
         weighted average of the Pooling-Tier REMIC-1 Interest Rates on the
         Pooling-Tier REMIC-1 Regular Interests relating to Loan Group I and
         having an "A" in their class designation, provided that, on each
         Distribution Date on which interest is distributable on the
         Corresponding Pooling-Tier REMIC-2 IO Interest, this Pooling-Tier
         REMIC-2 Regular Interest shall bear interest at a per annum rate equal
         to Swap LIBOR subject to a maximum rate equal to the weighted average
         of the Pooling-Tier REMIC-1 Interest Rates on the Pooling-Tier REMIC-1
         Regular Interests relating to Loan Group I and having an "A" in their
         class designation.

(3)       For any Distribution Date (and the related Interest Accrual Period),
         this Pooling-Tier REMIC-2 Regular Interest shall bear interest at a per
         annum rate (its "Pooling-Tier REMIC-2 Interest Rate") equal to the
         weighted average of the Pooling-Tier REMIC-1 Interest Rates on the
         Pooling-Tier REMIC-1 Regular Interests relating to Loan Group I and
         having a "B" in their class designation.

(4)       Each Pooling-Tier REMIC-2 IO is an interest-only interest and does not
         have a principal balance but has a notional balance ("Pooling-Tier
         REMIC-2 IO Notional Balance") equal to the Pooling-Tier REMIC-2
         Principal Amount of the Corresponding Pooling-Tier REMIC-1 Regular
         Interest. From the Closing Date through and including the Corresponding
         Actual Crossover Distribution Date, each Pooling-Tier REMIC-2 IO
         Interest shall be entitled to receive interest that accrues on the
         Corresponding Pooling-Tier REMIC-1 Regular Interest at a rate equal to
         the excess, if any, of (i) the Pooling-Tier REMIC-1 Interest Rate for
         the Corresponding Pooling-Tier REMIC-1 Regular Interest over (ii) Swap
         LIBOR. After the Corresponding Actual Crossover Distribution Date, the
         Pooling-Tier REMIC-2 IO Interest shall not accrue interest.

(5)       For any Distribution Date (and the related Interest Accrual Period),
         this Pooling-Tier REMIC-2 Regular Interest shall bear interest at a per
         annum rate (its "Pooling-Tier REMIC-2 Interest Rate") equal to the
         Pooling-Tier REMIC-1 Loan Group II WAC Rate.

(6)       For any Distribution Date (and the related Interest Accrual Period),
         this Pooling-Tier REMIC-2 Regular Interest shall bear interest at a per
         annum rate (its "Pooling-Tier REMIC-2 Interest Rate") equal to the
         weighted average of the Pooling-Tier REMIC-1 Interest Rates on the
          Pooling-Tier REMIC-1 Regular Interests relating to Loan Group II and
         having an "A" in their class designation, provided that, on each
         Distribution Date on which interest is distributable on the
         Corresponding Pooling-Tier REMIC-2 IO Interest, this Pooling-Tier
         REMIC-2 Regular Interest shall bear interest at a per annum rate equal
         to Swap LIBOR subject to a maximum rate equal to the weighted average
         of the Pooling-Tier REMIC-1 Interest Rates on the Pooling-Tier REMIC-1
         Regular Interests relating to Loan Group II and having an "A" in their
         class designation.

(7)       For any Distribution Date (and the related Interest Accrual Period),
         this Pooling-Tier REMIC-2 Regular Interest shall bear interest at a per
         annum rate (its "Pooling-Tier REMIC-2 Interest Rate") equal to the
         weighted average of the Pooling-Tier REMIC-1 Interest Rates on the
         Pooling-Tier REMIC-1 Regular Interests relating to Loan Group II and
         having a "B" in their class designation.

(8)    The Class PT2-R Interest shall not bear interest.

            On each Distribution Date, the interest distributable in respect of
the Mortgage Loans for such Distribution Date shall be distributed to the
Pooling-Tier REMIC-2 Regular Interests at the Pooling-Tier REMIC-2 Interest
Rates shown above.

            On each Distribution Date, Realized Losses, Subsequent Recoveries
and payments of principal in respect of the Group I Mortgage Loans shall be
allocated to the Class R Certificates in respect of the Class PT2-R Interest
pursuant to Section 4.02(a)(ii) until its Class Certificate Balance is reduced
to zero, then to the outstanding Pooling-Tier REMIC-2 Regular Interests (other
than the Pooling-Tier REMIC-2 IO Interests) relating to Loan Group I with the
lowest numerical denomination (other than the Class PT2-I-1 Interest) until the
Pooling-Tier REMIC-2 Principal Amount of such interest is reduced to zero,
provided that, for Pooling-Tier REMIC-2 Regular Interests relating to Loan Group
I with the same numerical denomination, such Realized Losses and payments of
principal shall be allocated pro rata between such Pooling-Tier REMIC-2 Regular
Interests, and then to the Class PT2-I-1 Interest until the Pooling-Tier REMIC-2
Principal Amount of such interest is reduced to zero.

            On each Distribution Date, Realized Losses, Subsequent Recoveries
and payments of principal in respect of the Group II Mortgage Loans shall be
allocated to the outstanding Pooling-Tier REMIC-2 Regular Interests (other than
the Pooling-Tier REMIC-2 IO Interests) relating to Loan Group II with the lowest
numerical denomination (other than the Class PT2-II-1 Interest) until the
Pooling-Tier REMIC-2 Principal Amount of such interest is reduced to zero,
provided that, for Pooling-Tier REMIC-2 Regular Interests relating to Loan Group
II with the same numerical denomination, such Realized Losses and payments of
principal shall be allocated pro rata between such Pooling-Tier REMIC-2 Regular
Interests, and then to the Class PT2-II-1 Interest until the Pooling-Tier
REMIC-2 Principal Amount of such interest is reduced to zero.

                                Lower-Tier REMIC

            The Lower-Tier REMIC shall issue the following interests, and each
such interest, other than the Class LT-R Interest, is hereby designated as a
regular interest in the Lower-Tier REMIC. The Class LT-R Interest is hereby
designated as the sole class of residual interest in the Lower-Tier REMIC and
shall be represented by the Class R Certificates.


<TABLE>
<CAPTION>
                                                                                                   Corresponding
                                   Lower-Tier                                                       Upper-Tier REMIC
  Lower-Tier Regular Interest       Interest Rate        Initial Lower-Tier Principal Amount          Regular Interest
------------------------------- ----------------- ------------------------------------------- ------------------------
<S>                              <C>                <C>                                           <C>
Class LT-A-1                            (1)          1/2 initial Class Certificate Balance of                A-1
                                                    Corresponding Upper-Tier REMIC Regular
                                                   Interest

Class LT-A-2A                           (1)          1/2 initial Class Certificate Balance of                A-2A
                                                    Corresponding Upper-Tier REMIC Regular
                                                   Interest
Class LT-A-2B                           (1)          1/2 initial Class Certificate Balance of                A-2B
                                                    Corresponding Upper-Tier REMIC Regular
                                                   Interest
Class LT-A-2C                           (1)          1/2 initial Class Certificate Balance of                A-2C
                                                    Corresponding Upper-Tier REMIC Regular
                                                   Interest
Class LT-A-2D                           (1)          1/2 initial Class Certificate Balance of                A-2D
                                                    Corresponding Upper-Tier REMIC Regular
                                                   Interest
Class LT-M-1                            (1)          1/2 initial Class Certificate Balance of                M-1
                                                    Corresponding Upper-Tier REMIC Regular
                                                   Interest
Class LT-M-2                            (1)          1/2 initial Class Certificate Balance of                M-2
                                                    Corresponding Upper-Tier REMIC Regular
                                                   Interest
Class LT-M-3                            (1)          1/2 initial Class Certificate Balance of                M-3
                                                   Corresponding Upper-Tier REMIC Regular
                                                   Interest
Class LT-M-4                            (1)          1/2 initial Class Certificate Balance of                 M-4
                                                   Corresponding Upper-Tier REMIC Regular
                                                   Interest
Class LT-M-5                            (1)          1/2 initial Class Certificate Balance of                 M-5
                                                   Corresponding Upper-Tier REMIC Regular
                                                   Interest
Class LT-M-6                            (1)          1/2 initial Class Certificate Balance of                 M-6
                                                   Corresponding Upper-Tier REMIC Regular
                                                   Interest
Class LT-M-7                            (1)          1/2 initial Class Certificate Balance of                M-7
                                                   Corresponding Upper-Tier REMIC Regular
                                                   Interest
Class LT-M-8                            (1)          1/2 initial Class Certificate Balance of                M-8
                                                   Corresponding Upper-Tier REMIC Regular
                                                   Interest
Class LT-B-1                            (1)          1/2 initial Class Certificate Balance of                B-1
                                                   Corresponding Upper-Tier REMIC Regular
                                                   Interest
Class LT-B-2                            (1)          1/2 initial Class Certificate Balance of                B-2
                                                   Corresponding Upper-Tier REMIC Regular
                                                   Interest
Class LT-B-3                            (1)          1/2 initial Class Certificate Balance of                B-2
                                                   Corresponding Upper-Tier REMIC Regular
                                                   Interest
Class LT-Accrual                        (1)          1/2 Pool Principal Balance plus 1/2                     N/A
                                                   Overcollateralized Amount, less the
                                                   Initial Lower-Tier Principal Amounts of
                                                    the Class LT-Group I, Class LT-Group II
                                                   and Class LT-3 Interests, less $150
Class LT-Group I                        (2)          0.001% aggregate Stated Principal Balance               N/A
                                                    of Group I Mortgage Loans(4)
Class LT-Group II                       (3)          0.001% aggregate Stated Principal Balance               N/A
                                                   of Group II Mortgage Loans(4)
Class LT-IO                             (5)          (5)                                                     N/A
Class LT-3                              (6)          $50.00
Class LT-R                              (7)          (7)                                                      N/A
</TABLE>
-----------------------------

(1)    The interest rate with respect to any Distribution Date for these
      interests is a per annum variable rate equal to the weighted average of
      the Pooling-Tier REMIC-2 Interest Rates of the Pooling-Tier REMIC-2
      Regular Interests (other than the Pooling-Tier REMIC-2 IO Interests).

(2)    The interest rate with respect to any Distribution Date for the Class
      LT-Group I Interest is a per annum variable rate (expressed as a
      percentage rounded to eight decimal places) equal to the weighted average
      of the Pooling-Tier REMIC-2 Interest Rates of the Pooling-Tier REMIC-2
      Regular Interests (other than the Pooling Tier REMIC-2 IO Interests)
      relating to Loan Group I.

(3)    The interest rate with respect to any Distribution Date for the Class
      LT-Group II Interest is a per annum variable rate (expressed as a
      percentage rounded to eight decimal places) equal to the weighted average
      of the Pooling-Tier REMIC-2 Interest Rates of the Pooling-Tier REMIC-2
      Regular Interests (other than the Pooling Tier REMIC-2 IO Interests)
      relating to Loan Group II.

(4)    For all Distribution Dates, the Lower-Tier Principal Amount of these
      Lower-Tier Regular Interests shall be rounded to eight decimal places.

(5)    This Lower-Tier Regular Interest is an interest-only interest and does not
      have a Lower-Tier Principal Amount. On each Distribution Date, this
      Lower-Tier Regular Interest shall be entitled to receive all interest
      distributable on the Pooling-Tier REMIC-2 IO Interests.

(6)    This Lower-Tier Regular Interest shall not be entitled to interest and
      shall have a Lower-Tier Principal Amount at all times equal to the Class
      Certificate Balance of the Class RX Certificates.

(7)    The Class LT-R Interest does not have a principal amount or an interest
      rate.

            Each Lower-Tier Regular Interest is hereby designated as a regular
interest in the Lower-Tier REMIC. The Class LT-A-1, Class LT-A-2A, Class
LT-A-2B, Class LT-A-2C, Class LT-A-2D, Class LT-M-1, Class LT-M-2, Class LT-M-3,
Class LT-M-4, Class LT-M-5, Class LT-M-6, Class LT-M-7, Class LT-M-8, Class
LT-B-1, Class LT-B-2 and Class LT-B-3 Interests are hereby designated the
LT-Accretion Directed Classes (the "LT-Accretion Directed Classes").

            On each Distribution Date, 50% of the increase in the
Overcollateralized Amount shall be payable as a reduction of the Lower-Tier
Principal Amount of the LT-Accretion Directed Classes (each such Class will be
reduced by an amount equal to 50% of any increase in the Overcollateralized
Amount that is attributable to a reduction in the Class Certificate Balance of
its Corresponding Class) and shall be accrued and added to the Lower-Tier
Principal Amount of the Class LT-Accrual Interest. On each Distribution Date,
the increase in the Lower-Tier Principal Amount of the Class LT-Accrual Interest
shall not exceed interest accruals for such Distribution Date for the Class
LT-Accrual Interest. In the event that: (i) 50% of the increase in the
Overcollateralized Amount exceeds (ii) interest accruals on the Class LT-Accrual
Interest for such Distribution Date, the excess for such Distribution Date
(accumulated with all such excesses for all prior Distribution Dates) will be
added to any increase in the Overcollateralized Amount for purposes of
determining the amount of interest accrual on the Class LT-Accrual Interest
payable as principal on the LT-Accretion Directed Classes on the next
Distribution Date pursuant to the first sentence of this paragraph. All payments
of scheduled principal and prepayments of principal generated by the Mortgage
Loans and all Subsequent Recoveries allocable to principal shall be allocated
(i) 50% to the Class LT-Accrual Interest, the Class LT-Group I Interest and
Class LT-Group II Interest (and further allocated among these Lower-Tier Regular
Interests in the manner described below) and (ii) 50% to the LT-Accretion
Directed Classes (such principal payments and Subsequent Recoveries shall be
allocated among such LT-Accretion Directed Classes in an amount equal to 50% of
the principal amounts and Subsequent Recoveries allocated to their respective
Corresponding Classes), until paid in full. Notwithstanding the above, principal
payments allocated to the Class X Interest that result in the reduction in the
Overcollateralized Amount shall be allocated to the Class LT-Accrual Interest
(until paid in full). Realized Losses shall be applied so that after all
distributions have been made on each Distribution Date (i) the Lower-Tier
Principal Amount of each of the LT-Accretion Directed Classes is equal to 50% of
the Class Certificate Balance of their Corresponding Class, and (ii) the Class
LT-Accrual Interest, the Class LT-Group I and the Class LT-Group II Interest
(and further allocated between these Lower-Tier Regular Interests in the manner
described below) is equal to 50% of the aggregate Stated Principal Balance of
the Mortgage Loans plus 50% of the Overcollateralized Amount. Any increase in
the Class Certificate Balance of a Class of LIBOR Certificates as a result of a
Subsequent Recovery shall increase the Lower-Tier Principal Amount of the
Corresponding Lower-Tier Regular Interest by 50% of such increase, and the
remaining 50% of such increase shall increase the Lower-Tier Principal Amount of
the Class LT-Accrual Interest. As among the Class LT-Accrual Interest, the Class
LT-Group I Interest and the Class LT-Group II Interest, all payments of
scheduled principal and prepayments of principal generated by the Mortgage
Loans, all Subsequent Recoveries and all Realized Losses, allocable to such
Lower-Tier Regular Interests shall be allocated (i) to the Class LT-Group I
Interest and the Class LT-Group II Interest, each from the related Loan Group so
that their respective Lower-Tier Principal Amounts (computed to at least eight
decimal places) are equal to 0.001% of the aggregate Stated Principal Balance of
the Mortgage Loans in the related Loan Group and (ii) the remainder to the Class
LT-Accrual Interest.

                                Upper-Tier REMIC

            The Upper-Tier REMIC shall issue the following interests, and each
such interest, other than the Class UT-R Interest, is hereby designated as a
regular interest in the Upper-Tier REMIC. The Class UT-R Interest is hereby
designated as the sole class of residual interests in the Upper-Tier REMIC and
shall be represented by the Class R Certificates.

<TABLE>
<CAPTION>
                                       Upper-Tier
     Upper-Tier REMIC Interest       Interest Rate       Initial Principal Upper-Tier Amount      Corresponding Class of Certificates
--------------------------------    ---------------      -----------------------------------      -----------------------------------
<S>                                 <C>                  <C>                                      <C>
Class A-1                                 (1)                $      [                   ]                        Class A-1
Class A-2A                                (2)                $      [                   ]                        Class A-2A
Class A-2B                                (2)                $      [                   ]                        Class A-2B
Class A-2C                                 (2)                $      [                   ]                        Class A-2C
Class A-2D                                (2)                $      [                   ]                        Class A-2D
Class M-1                                 (3)                $      [                   ]                        Class M-1
Class M-2                                 (3)                $      [                   ]                        Class M-2
Class M-3                                 (3)                $       [                   ]                        Class M-3
Class M-4                                 (3)                $      [                   ]                        Class M-4
Class M-5                                 (3)                $      [                   ]                        Class M-5
Class M-6                                 (3)                $      [                   ]                        Class M-6
Class M-7                                 (3)                $      [                   ]                         Class M-7
Class M-8                                 (3)                $      [                   ]                        Class M-8
Class B-1                                 (3)                $      [                   ]                        Class B-1
Class B-2                                 (3)                $      [                   ]                        Class B-2
Class B-3                                 (3)                $      [                   ]                        Class B-3
Class UT-IO                                (4)                            (4)                                      N/A
Class UT-X                                (5)                            (5)                                      N/A
Class UT-3                                (6)                            $ [ ]                                     N/A
Class UT-R                                (7)                            (7)                                    Class R
</TABLE>
-----------------

(1)    For any Distribution Date (and the related Interest Accrual Period), this
      interest shall bear interest at the least of (i) the Pass-Through Rate
      (determined without regard to the Loan Group I Cap or WAC Cap) for the
      Corresponding Class of Certificates, (ii) the Lower-Tier Interest Rate for
      the Class LT-Group I Interest (the "Upper-Tier REMIC Loan Group I Rate")
      and (ii) the Upper-Tier REMIC WAC Rate.

(2)    For any Distribution Date (and the related Interest Accrual Period), this
      interest shall bear interest at the least of (i) the Pass-Through Rate
      (determined without regard to the Loan Group II Cap or WAC Cap) for the
      Corresponding Class of Certificates, (ii) the Lower-Tier Interest Rate for
      the Class LT-Group II Interest (the "Upper-Tier REMIC Loan Group II Rate")
      and (ii) the Upper-Tier REMIC WAC Rate.

(3)    For any Distribution Date (and the related Interest Accrual Period), this
      interest shall bear interest at the lesser of (i) the Pass-Through Rate
      (determined without regard to the applicable WAC Cap) for the
      Corresponding Class of Certificates and (ii) the Upper-Tier REMIC WAC
      Rate.

(4)    This interest is an interest-only interest and does not have a principal
      balance. On each Distribution Date, the Class UT-IO Interest shall be
      entitled to receive all interest distributable on the Class LT-IO
      Interest.

(5)    The Class UT-X Interest has an initial principal balance of $[________]
      but will not accrue interest on such balance but will accrue interest on a
      notional principal balance. As of any Distribution Date, the Class UT-X
      Interest shall have a notional principal balance equal to the aggregate of
      the Lower-Tier Principal Amounts of the Lower-Tier Regular Interests
       (other than the Class LT-IO and Class LT-3 Interests) as of the first day
      of the related Interest Accrual Period. With respect to any Interest
      Accrual Period, the Class UT-X Interest shall bear interest at a rate
      equal to the excess, if any, of the Upper-Tier REMIC WAC Rate over the
      product of (i) 2 and (ii) the weighted average of the Lower-Tier Interest
      Rates of the Lower-Tier REMIC Interests (other than the Class LT-IO and
      Class LT-3 Interests), where the Lower-Tier Interest Rate on each of the
      Class LT-Accrual Interest, Class LT-Group I Interest and Class LT-Group II
      Interest is subject to a cap equal to zero and each LT Accretion Directed
      Class is subject to a cap equal to the Upper-Tier Interest Rate on its
      Corresponding Class of Upper-Tier Regular Interest. With respect to any
      Distribution Date, interest that so accrues on the notional principal
      balance of the Class UT-X Interest shall be deferred in an amount equal to
      any increase in the Overcollateralized Amount on such Distribution Date.
      Such deferred interest shall not itself bear interest.

(6)    This Upper-Tier Regular Interest shall not be entitled to interest and
      shall have a principal balance equal to the Class Certificate Balance of
      the Class RX Certificates.

(7)    The Class UT-R Interest does not have an interest rate or a principal
      balance.

            On each Distribution Date, interest distributable in respect of the
Lower-Tier Interests for such Distribution Date shall be deemed to be
distributed on the interests in the Upper-Tier REMIC at the rates shown above,
provided that the Class UT-IO Interest shall be entitled to receive interest
before any other interest in the Upper-Tier REMIC.

            On each Distribution Date, all Realized Losses, Subsequent
Recoveries and all payments of principal shall be allocated to the Upper-Tier
Interests until the outstanding principal balance of each such interest equals
the outstanding Class Certificate Balance of the Corresponding Class of
Certificates as of such Distribution Date.

                                 Class B-1 REMIC

            The Class B-1 REMIC shall issue the following classes of interests.
The Class B-1 Certificates shall represent the regular interest in the Class B-1
REMIC and the Class B1-R Interest shall represent the sole class of residual
interest in the Class B-1 REMIC.

          Class B-1 REMIC                       Class B-1 REMIC
            Designation          Interest Rate   Principal Amount
          -------------------    -------------   ----------------
          Class B-1 REMIC             (1)                (1)
             Regular Interest
          Class B1-R                  (2)                (2)

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

(1)    The Class B-1 REMIC shall issue one regular interest which shall be
      represented by the Class B-1 Certificates and shall be entitled to 100% of
      all amounts payable on the Class B-1 Interest issued by the Upper-Tier
      REMIC.

(2)    The Class B1-R Interest is the sole class of residual interest in the
      Class B-1 REMIC and shall be represented by the Class RX Certificate. The
      Class B1-R Interest does not have an interest rate or a principal balance.

                                  Class B-2 REMIC

            The Class B-2 REMIC shall issue the following classes of interests.
The Class B-2 Certificates shall represent the regular interest in the Class B-2
REMIC and the Class B2-R Interest shall represent the sole class of residual
interest in the Class B-2 REMIC.

          Class B-2 REMIC                       Class B-2 REMIC
            Designation          Interest Rate   Principal Amount
          -------------------    -------------   ----------------
          Class B-2 REMIC             (1)                (1)
             Regular Interest
          Class B2-R                  (2)                (2)

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

(1)    The Class B-2 REMIC shall issue one regular interest which shall be
      represented by the Class B-2 Certificates and shall be entitled to 100% of
      all amounts payable on the Class B-2 Interest issued by the Upper-Tier
      REMIC.

(2)    The Class B2-R Interest is the sole class of residual interest in the
      Class B-2 REMIC and shall be represented by the Class RX Certificate. The
      Class B2-R Interest does not have an interest rate or a principal balance.

                                 Class B-3 REMIC

            The Class B-3 REMIC shall issue the following classes of interests.
The Class B-3 Certificates shall represent the regular interest in the Class B-3
REMIC and the Class B3-R Interest shall represent the sole class of residual
interest in the Class B-3 REMIC.


          Class B-2 REMIC                       Class B-2 REMIC
             Designation          Interest Rate   Principal Amount
          -------------------    -------------   ----------------
          Class B-3 REMIC             (1)                (1)
             Regular Interest
          Class B3-R                  (2)                 (2)

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

(1)    The Class B-3 REMIC shall issue one regular interest which shall be
      represented by the Class B-3 Certificates and shall be entitled to 100% of
      all amounts payable on the Class B-3 Interest issued by the Upper-Tier
      REMIC.

(2)    The Class B3-R Interest is the sole class of residual interest in the
      Class B-3 REMIC and shall be represented by the Class RX Certificate. The
      Class B3-R Interest does not have an interest rate or a principal balance.

                                  Class X REMIC

            The Class X REMIC shall issue the following classes of interests.
The Class X Interest and the Class IO Interest shall each represent a regular
interest in the Class X REMIC and the Class RX Certificates shall represent the
Class X-R Interest, the sole class of residual interest in the Class X REMIC.

                                                         Class X REMIC
          Class X REMIC Designation     Interest Rate    Principal Amount
        ---------------------------     -------------    ----------------
        Class X Interest                     (1)               (1)
        Class IO Interest                    (2)               (2)
        Class RX Certificates                (3)