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POOLING AND SERVICING AGREEMENT

Pooling and Servicing Agreement

POOLING AND SERVICING AGREEMENT | Document Parties: MORGAN STANLEY ABS CAPITAL I INC. TRUST 2006-WMC1 | JPMORGAN CHASE BANK, NATIONAL ASSOCIATION | WMC MORTGAGE CORP | WELLS FARGO BANK, NATIONAL ASSOCIATION You are currently viewing:
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MORGAN STANLEY ABS CAPITAL I INC. TRUST 2006-WMC1 | JPMORGAN CHASE BANK, NATIONAL ASSOCIATION | WMC MORTGAGE CORP | WELLS FARGO BANK, NATIONAL ASSOCIATION

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Title: POOLING AND SERVICING AGREEMENT
Governing Law: New York     Date: 4/20/2006
Law Firm: Chase Home Finance LLC    

POOLING AND SERVICING AGREEMENT, Parties: morgan stanley abs capital i inc. trust 2006-wmc1 , jpmorgan chase bank  national association , wmc mortgage corp , wells fargo bank  national association
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                                                                       EXHIBIT 4

                       MORGAN STANLEY ABS CAPITAL I INC.,
                                   Depositor,


                   JPMORGAN CHASE BANK, NATIONAL ASSOCIATION,
                                     Servicer,

                               WMC MORTGAGE CORP.,
                               Responsible Party,

                                       and

                     WELLS FARGO BANK, NATIONAL ASSOCIATION,
                                      Trustee


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

                         POOLING AND SERVICING AGREEMENT

                           Dated as of January 1, 2006


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

              MORGAN STANLEY ABS CAPITAL I INC. TRUST 2006-WMC1

                       MORTGAGE PASS-THROUGH CERTIFICATES,
                                SERIES 2006-WMC1


<PAGE>

                                TABLE OF CONTENTS

                                     ARTICLE I

                                   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 and Warranties; Remedies for Breaches of
              Representations and Warranties with Respect to the
              Mortgage Loans...............................................
Section 2.04   Execution and Delivery of Certificates.......................
Section 2.05   REMIC Matters................................................
Section 2.06   Representations and Warranties of the Depositor..............


                                   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 and 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.....................


                                   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   Swap Account.................................................


                                    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.......................................................


                                   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 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 CarryForward Amounts, Basis
               Risk CarryForward Amounts and Class IO Shortfalls; Tax
              Classification of the Excess Reserve Fund Account, Swap
              Account and the Interest Rate Swap Agreement.................


                                   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 Rule of Construction.........................................
Section 10.12 Waiver of Jury Trial.........................................
Section 10.13 Opinions of Internal Counsel of the Responsible Party........
Section 10.14 Rights of the Swap Provider..................................
Section 10.15 Regulation AB Compliance; Intent of the Parties;
              Reasonableness...............................................



SCHEDULES
Schedule I        Mortgage Loan Schedule
Schedule II       Representations and Warranties of JPMorgan Chase Bank, National
                  Association, as Servicer
Schedule III      Representations and Warranties of the Responsible Party as to
                 the Mortgage Loans
Schedule IV       Representations and Warranties of the Responsible Party as to
                 the Responsible Party
Schedule V        Representations and Warranties of Morgan Stanley ABS Capital I
                 Inc. as to the Mortgage Loans



EXHIBITS

Exhibit A    Form of Class A, Class M and Class B Certificate

Exhibit B    Form of Class P Certificate

Exhibit C    Form of Class R Certificate

Exhibit D    Form of Class X Certificate

Exhibit E    Form of Initial Certification of Trustee

Exhibit F    Form of Document Certification and Exception Report of Trustee

Exhibit G    Form of Residual Transfer Affidavit

Exhibit H    Form of Transferor Certificate

Exhibit I    Form of Rule 144A Letter

Exhibit J    Form of Request for Release

Exhibit K    Form of Contents for Each Mortgage File

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

Exhibit M    Form of Certification to be provided by the Trustee to Depositor

Exhibit N    Form of Certification to be provided by the Servicer to Depositor

Exhibit O    WMC Purchase Agreement

Exhibit P    Form of Servicer Power of Attorney

Exhibit Q    Servicing Criteria

Exhibit R    Additional Form 10-D Disclosure

Exhibit S    Additional Form 10-K Disclosure

Exhibit T    Form 8-K Disclosure Information

Exhibit U    Interest Rate Swap Agreement

Exhibit V    JPMorgan Subservicing Agreement

Exhibit W    Form of Servicer Reports

<PAGE>

            THIS POOLING AND SERVICING AGREEMENT, dated as of January 1, 2006,
among MORGAN STANLEY ABS CAPITAL I INC., a Delaware corporation (the
"Depositor"), JPMORGAN CHASE BANK, NATIONAL ASSOCIATION, a national banking
association, as servicer (the "Servicer"),WMC MORTGAGE CORP., a California
corporation, as responsible party (the "Responsible Party") and WELLS FARGO
BANK, NATIONAL ASSOCIATION, 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 four segregated asset pools within the
Trust Fund (exclusive of (i) the Prepayment Premiums, (ii) the Swap Assets,
(iii) the Excess Reserve Fund Account, and (iv) the right of the LIBOR
Certificates to receive Upper-Tier CarryForward Amounts including, but without
duplication, Basis Risk CarryForward Amounts and the obligation to pay Class IO
Shortfalls) be treated for federal income tax purposes as comprising four REMICs
(each, a "Trust REMIC" or, in the alternative, Pooling-Tier REMIC-1,
Pooling-Tier REMIC-2, the Lower-Tier REMIC and the Upper-Tier 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 Upper-Tier CarryForward Amounts including, but without duplication,
Basis Risk CarryForward Amounts and 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 Trust REMIC for purposes of the REMIC Provisions. The
Startup 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 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 Swap Assets, (iii) the Excess Reserve Fund
Account, and (v) the right of the LIBOR Certificates to receive Upper-Tier
CarryForward Amounts including, but without duplication, Basis Risk CarryForward
Amounts and the obligation to pay Class IO Shortfalls).

            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 CarryForward Amounts (including, but without
duplication, Basis Risk CarryForward Amounts), and 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
Swap Account, the Excess Reserve Fund Account and 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, other than the Class PT1-R
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
PT1-R Interest, which is hereby designated as the sole class of residual
interest in Pooling-Tier REMIC-1. The Class PT1-R Interest shall be represented
by the Class R Certificates, shall not have a principal balance and shall have
no interest rate.

                                                  Initial
                                                 Pooling-Tier
  Pooling-Tier REMIC-1   Pooling-Tier REMIC-1   REMIC-1 Principal
       Interest            Interest Rate             Amount
--------------------- ---------------------- ----------------------
Class PT1-I-1                   (1)                $19,453,407.47
Class PT1-I-2A                  (2)                $7,737,821.65
Class PT1-I-2B                  (3)                $7,737,821.65
Class PT1-I-3A                  (2)                $6,654,951.26
Class PT1-I-3B                  (3)                 $6,654,951.26
Class PT1-I-4A                  (2)                $6,419,891.93
Class PT1-I-4B                  (3)                $6,419,891.93
Class PT1-I-5A                  (2)                $6,196,222.86
Class PT1-I-5B                  (3)                 $6,196,222.86
Class PT1-I-6A                  (2)                $5,983,143.31
Class PT1-I-6B                  (3)                $5,983,143.31
Class PT1-I-7A                  (2)                $5,779,880.69
Class PT1-I-7B                  (3)                $5,779,880.69
Class PT1-I-8A                  (2)                $5,585,691.55
Class PT1-I-8B                  (3)                $5,585,691.55
Class PT1-I-9A                  (2)                $5,399,862.64
Class PT1-I-9B                  (3)                $5,399,862.64
Class PT1-I-10A                 (2)                $5,221,711.72
Class PT1-I-10B                 (3)                $5,221,711.72
Class PT1-I-11A                 (2)                $5,050,588.95
Class PT1-I-11B                 (3)                $5,050,588.95
Class PT1-I-12A                 (2)                $4,885,776.46
Class PT1-I-12B                 (3)                $4,885,776.46
Class PT1-I-13A                 (2)                $4,726,500.61
Class PT1-I-13B                 (3)                $4,726,500.61
Class PT1-I-14A                 (2)                $4,544,911.41
Class PT1-I-14B                 (3)                $4,544,911.41
Class PT1-I-15A                 (2)                $4,348,638.14
Class PT1-I-15B                 (3)                $4,348,638.14
Class PT1-I-16A                 (2)                $4,160,887.57
Class PT1-I-16B                 (3)                $4,160,887.57
Class PT1-I-17A                 (2)                $3,981,287.84
Class PT1-I-17B                 (3)                $3,981,287.84
Class PT1-I-18A                 (2)                $3,809,483.47
Class PT1-I-18B                 (3)                $3,809,483.47
Class PT1-I-19A                 (2)                $3,645,134.51
Class PT1-I-19B                 (3)                $3,645,134.51
Class PT1-I-20A                 (2)                $3,525,315.25
Class PT1-I-20B                 (3)                $3,525,315.25
Class PT1-I-21A                 (2)               $51,826,128.18
Class PT1-I-21B                 (3)               $51,826,128.18
Class PT1-I-22A                  (2)                $9,045,425.29
Class PT1-I-22B                 (3)                $9,045,425.29
Class PT1-I-23A                 (2)                $   615,976.01
Class PT1-I-23B                 (3)                $   615,976.01
Class PT1-I-24A                  (2)                $   593,626.15
Class PT1-I-24B                 (3)                $   593,626.15
Class PT1-I-25A                 (2)                $   572,090.87
Class PT1-I-25B                 (3)                $   572,090.87
Class PT1-I-26A                  (2)                $   551,340.31
Class PT1-I-26B                 (3)                $   551,340.31
Class PT1-I-27A                 (2)                $   531,345.63
Class PT1-I-27B                 (3)                $   531,345.63
Class PT1-I-28A                  (2)                $   512,183.68
Class PT1-I-28B                 (3)                $   512,183.68
Class PT1-I-29A                 (2)                $   493,623.27
Class PT1-I-29B                 (3)                $   493,623.27
Class PT1-I-30A                 (2)                $   475,724.72
Class PT1-I-30B                 (3)                $   475,724.72
Class PT1-I-31A                 (2)                $   458,477.86
Class PT1-I-31B                 (3)                $   458,477.86
Class PT1-I-32A                 (2)                 $   459,509.41
Class PT1-I-32B                 (3)                $   459,509.41
Class PT1-I-33A                 (2)                $1,446,197.46
Class PT1-I-33B                 (3)                $1,446,197.46
Class PT1-I-34A                 (2)                 $   892,984.13
Class PT1-I-34B                 (3)                $   892,984.13
Class PT1-I-35A                 (2)                $   327,229.35
Class PT1-I-35B                 (3)                $   327,229.35
Class PT1-I-36A                 (2)                 $   315,963.78
Class PT1-I-36B                 (3)                $   315,963.78
Class PT1-I-37A                 (2)                $   305,081.95
Class PT1-I-37B                 (3)                $   305,081.95
Class PT1-I-38A                 (2)                $   294,570.98
Class PT1-I-38B                 (3)                $   294,570.98
Class PT1-I-39A                 (2)                $   284,418.33
Class PT1-I-39B                 (3)                $   284,418.33
Class PT1-I-40A                 (2)                $   274,614.50
Class PT1-I-40B                 (3)                $   274,614.50
Class PT1-I-41A                 (2)                $   265,143.78
Class PT1-I-41B                 (3)                $   265,143.78
Class PT1-I-42A                 (2)                $   255,995.07
Class PT1-I-42B                 (3)                $   255,995.07
Class PT1-I-43A                 (2)                $   247,158.79
Class PT1-I-43B                 (3)                $   247,158.79
Class PT1-I-44A                 (2)                $   238,624.44
Class PT1-I-44B                 (3)                $   238,624.44
Class PT1-I-45A                 (2)                $   230,381.76
Class PT1-I-45B                 (3)                $   230,381.76
Class PT1-I-46A                 (2)                $   222,421.50
Class PT1-I-46B                 (3)                $   222,421.50
Class PT1-I-47A                 (2)                $   214,732.97
Class PT1-I-47B                 (3)                $   214,732.97
Class PT1-I-48A                 (2)                $   207,307.55
Class PT1-I-48B                 (3)                $   207,307.55
Class PT1-I-49A                 (2)                $   200,136.31
Class PT1-I-49B                 (3)                $   200,136.31
Class PT1-I-50A                 (2)                $   193,210.71
Class PT1-I-50B                 (3)                $   193,210.71
Class PT1-I-51A                 (2)                $   186,522.38
Class PT1-I-51B                 (3)                $   186,522.38
Class PT1-I-52A                 (2)                $   180,063.29
Class PT1-I-52B                 (3)                $   180,063.29
Class PT1-I-53A                 (2)                $   173,825.69
Class PT1-I-53B                 (3)                $   173,825.69
Class PT1-I-54A                 (2)                $   167,802.04
Class PT1-I-54B                  (3)                $   167,802.04
Class PT1-I-55A                 (2)                $4,626,303.27
Class PT1-I-55B                 (3)                $4,626,303.27
Class PT1-II-1                  (4)               $40,546,039.23
Class PT1-II-2A                  (5)               $16,127,664.05
Class PT1-II-2B                 (6)               $16,127,664.05
Class PT1-II-3A                 (5)               $13,870,676.14
Class PT1-II-3B                 (6)               $13,870,676.14
Class PT1-II-4A                  (5)               $13,380,750.42
Class PT1-II-4B                 (6)               $13,380,750.42
Class PT1-II-5A                 (5)               $12,914,564.99
Class PT1-II-5B                 (6)               $12,914,564.99
Class PT1-II-6A                  (5)               $12,470,450.94
Class PT1-II-6B                 (6)               $12,470,450.94
Class PT1-II-7A                 (5)               $12,046,797.96
Class PT1-II-7B                 (6)               $12,046,797.96
Class PT1-II-8A                 (5)               $11,642,056.50
Class PT1-II-8B                 (6)               $11,642,056.50
Class PT1-II-9A                 (5)               $11,254,739.96
Class PT1-II-9B                 (6)               $11,254,739.96
Class PT1-II-10A                (5)                $10,883,426.38
Class PT1-II-10B                (6)               $10,883,426.38
Class PT1-II-11A                (5)               $10,526,761.35
Class PT1-II-11B                (6)               $10,526,761.35
Class PT1-II-12A                (5)                $10,183,248.59
Class PT1-II-12B                (6)               $10,183,248.59
Class PT1-II-13A                (5)                $9,851,275.64
Class PT1-II-13B                (6)                $9,851,275.64
Class PT1-II-14A                (5)                 $9,472,795.79
Class PT1-II-14B                (6)                $9,472,795.79
Class PT1-II-15A                (5)                $9,063,710.46
Class PT1-II-15B                (6)                $9,063,710.46
Class PT1-II-16A                (5)                $8,672,388.68
Class PT1-II-16B                (6)                $8,672,388.68
Class PT1-II-17A                (5)                $8,298,055.41
Class PT1-II-17B                (6)                $8,298,055.41
Class PT1-II-18A                (5)                $7,939,969.73
Class PT1-II-18B                (6)                $7,939,969.73
Class PT1-II-19A                (5)                $7,597,423.09
Class PT1-II-19B                (6)                $7,597,423.09
Class PT1-II-20A                (5)                $7,347,688.10
Class PT1-II-20B                (6)                $7,347,688.10
Class PT1-II-21A                (5)              $108,019,339.57
Class PT1-II-21B                (6)              $108,019,339.57
Class PT1-II-22A                (5)               $18,853,055.41
Class PT1-II-22B                (6)               $18,853,055.41
Class PT1-II-23A                (5)                $1,283,856.69
Class PT1-II-23B                (6)                $1,283,856.69
Class PT1-II-24A                (5)                $1,237,273.70
Class PT1-II-24B                (6)                $1,237,273.70
Class PT1-II-25A                (5)                $1,192,388.48
Class PT1-II-25B                (6)                $1,192,388.48
Class PT1-II-26A                (5)                $1,149,138.84
Class PT1-II-26B                (6)                $1,149,138.84
Class PT1-II-27A                (5)                $1,107,464.62
Class PT1-II-27B                (6)                $1,107,464.62
Class PT1-II-28A                (5)                $1,067,526.07
Class PT1-II-28B                (6)                $1,067,526.07
Class PT1-II-29A                (5)                $1,028,841.28
Class PT1-II-29B                (6)                $1,028,841.28
Class PT1-II-30A                (5)                $   991,535.98
Class PT1-II-30B                (6)                $   991,535.98
Class PT1-II-31A                (5)                $   955,588.94
Class PT1-II-31B                (6)                $   955,588.94
Class PT1-II-32A                (5)                $   957,738.99
Class PT1-II-32B                 (6)                $   957,738.99
Class PT1-II-33A                (5)                $3,014,257.49
Class PT1-II-33B                (6)                $3,014,257.49
Class PT1-II-34A                (5)                $1,861,214.77
Class PT1-II-34B                 (6)                $1,861,214.77
Class PT1-II-35A                (5)                $   682,032.40
Class PT1-II-35B                (6)                $   682,032.40
Class PT1-II-36A                (5)                $   658,551.97
Class PT1-II-36B                 (6)                $   658,551.97
Class PT1-II-37A                (5)                $   635,871.35
Class PT1-II-37B                (6)                $   635,871.35
Class PT1-II-38A                (5)                $   613,963.72
Class PT1-II-38B                (6)                $   613,963.72
Class PT1-II-39A                (5)                $   592,802.92
Class PT1-II-39B                (6)                $   592,802.92
Class PT1-II-40A                (5)                $   572,369.15
Class PT1-II-40B                (6)                $   572,369.15
Class PT1-II-41A                (5)                $   552,629.67
Class PT1-II-41B                (6)                $   552,629.67
Class PT1-II-42A                (5)                $   533,561.33
Class PT1-II-42B                (6)                 $   533,561.33
Class PT1-II-43A                (5)                $   515,144.21
Class PT1-II-43B                (6)                $   515,144.21
Class PT1-II-44A                (5)                $   497,356.36
Class PT1-II-44B                (6)                 $   497,356.36
Class PT1-II-45A                (5)                $   480,176.44
Class PT1-II-45B                (6)                $   480,176.44
Class PT1-II-46A                (5)                $   463,585.15
Class PT1-II-46B                (6)                 $   463,585.15
Class PT1-II-47A                (5)                $   447,560.23
Class PT1-II-47B                (6)                $   447,560.23
Class PT1-II-48A                (5)                $   432,083.70
Class PT1-II-48B                (6)                $   432,083.70
Class PT1-II-49A                (5)                $   417,136.94
Class PT1-II-49B                (6)                $   417,136.94
Class PT1-II-50A                (5)                $   402,702.14
Class PT1-II-50B                (6)                $   402,702.14
Class PT1-II-51A                (5)                $   388,761.92
Class PT1-II-51B                (6)                $   388,761.92
Class PT1-II-52A                (5)                $   375,299.46
Class PT1-II-52B                (6)                $   375,299.46
Class PT1-II-53A                (5)                $   362,298.66
Class PT1-II-53B                (6)                $   362,298.66
Class PT1-II-54A                (5)                $   349,743.76
Class PT1-II-54B                (6)                $   349,743.76
Class PT1-II-55A                (5)                $9,642,437.93
Class PT1-II-55B                (6)                $9,642,437.93
Class PT1-R                     (7)                      (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 9.6000%.

(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) 9.6000%.

(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 9.6000%.

(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) 9.6000%.

(7)   The Class PT1-R Interest shall not have a principal balance and 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 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 outstanding Pooling-Tier REMIC-1 Regular Interest relating to
the Group I Mortgage Loans with the lowest numerical denomination 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,
Subsequent Recoveries and payments of principal shall be allocated pro rata
between such Pooling-Tier REMIC-1 Regular Interests, until the Pooling-Tier
REMIC-1 Principal Amount of such interests 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
the Group II Mortgage Loans with the lowest numerical denomination 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,
Subsequent Recoveries and payments of principal shall be allocated pro rata
between such Pooling-Tier REMIC-1 Regular Interests, until the Pooling-Tier
REMIC-1 Principal Amount of such interests 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
the Group I Mortgage Loans and Pooling Tier REMIC-2 Interests with a "II" in
their designation shall relate to the Group II Mortgage Loans. 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>
                                                                                            Corresponding
                             Pooling-Tier         Pooling-Tier           Corresponding           Pooling-Tier          Corresponding
  Pooling-Tier REMIC-2         REMIC-2          REMIC-2 Initial      Pooling-Tier REMIC-2      REMIC-1 Regular      Scheduled Crossover
         Interest            Interest Rate       Principal Amount          IO Interest              Interest          Distribution Date
----------------------- ------------------- -------------------- ----------------------- -------------------- ----------------------
<S>                      <C>                  <C>                   <C>                      <C>                   <C>
Class PT2-I-1                    (1)            $    19,453,407.47             N/A                    N/A                    N/A
Class PT2-I-2A                   (2)            $     7,737,821.65    Class PT2-I-IO-2                N/A                    N/A
Class PT2-I-2B                   (3)            $     7,737,821.65             N/A                    N/A                    N/A
Class PT2-I-3A                    (2)            $     6,654,951.26    Class PT2-I-IO-3                N/A                    N/A
Class PT2-I-3B                   (3)            $     6,654,951.26             N/A                    N/A                    N/A
Class PT2-I-4A                   (2)            $     6,419,891.93    Class PT2-I-IO-4                N/A                    N/A
Class PT2-I-4B                   (3)            $     6,419,891.93             N/A                    N/A                    N/A
Class PT2-I-5A                   (2)             $     6,196,222.86    Class PT2-I-IO-5                N/A                    N/A
Class PT2-I-5B                   (3)            $     6,196,222.86             N/A                    N/A                    N/A
Class PT2-I-6A                   (2)            $     5,983,143.31    Class PT2-I-IO-6                N/A                    N/A
Class PT2-I-6B                   (3)            $     5,983,143.31             N/A                    N/A                    N/A
Class PT2-I-7A                   (2)            $     5,779,880.69    Class PT2-I-IO-7                N/A                    N/A
Class PT2-I-7B                   (3)            $     5,779,880.69             N/A                    N/A                    N/A
Class PT2-I-8A                   (2)            $     5,585,691.55    Class PT2-I-IO-8                N/A                    N/A
Class PT2-I-8B                   (3)            $     5,585,691.55             N/A                    N/A                    N/A
Class PT2-I-9A                   (2)            $     5,399,862.64    Class PT2-I-IO-9                N/A                    N/A
Class PT2-I-9B                   (3)            $     5,399,862.64             N/A                    N/A                    N/A
Class PT2-I-10A                  (2)            $     5,221,711.72    Class PT2-I-IO-10                N/A                    N/A
Class PT2-I-10B                  (3)            $     5,221,711.72             N/A                    N/A                    N/A
Class PT2-I-11A                  (2)            $     5,050,588.95    Class PT2-I-IO-11               N/A                     N/A
Class PT2-I-11B                  (3)            $     5,050,588.95             N/A                    N/A                    N/A
Class PT2-I-12A                  (2)            $     4,885,776.46    Class PT2-I-IO-12               N/A                     N/A
Class PT2-I-12B                  (3)            $     4,885,776.46             N/A                    N/A                    N/A
Class PT2-I-13A                  (2)            $     4,726,500.61    Class PT2-I-IO-13               N/A                    N/A
Class PT2-I-13B                  (3)            $     4,726,500.61             N/A                    N/A                    N/A
Class PT2-I-14A                  (2)            $     4,544,911.41    Class PT2-I-IO-14               N/A                    N/A
Class PT2-I-14B                  (3)            $     4,544,911.41             N/A                    N/A                    N/A
Class PT2-I-15A                  (2)            $     4,348,638.14    Class PT2-I-IO-15               N/A                    N/A
Class PT2-I-15B                   (3)            $     4,348,638.14             N/A                    N/A                    N/A
Class PT2-I-16A                  (2)            $     4,160,887.57    Class PT2-I-IO-16               N/A                    N/A
Class PT2-I-16B                   (3)            $     4,160,887.57             N/A                    N/A                    N/A
Class PT2-I-17A                  (2)            $     3,981,287.84    Class PT2-I-IO-17               N/A                    N/A
Class PT2-I-17B                  (3)             $     3,981,287.84             N/A                    N/A                    N/A
Class PT2-I-18A                  (2)            $     3,809,483.47    Class PT2-I-IO-18               N/A                    N/A
Class PT2-I-18B                  (3)            $      3,809,483.47             N/A                    N/A                    N/A
Class PT2-I-19A                  (2)            $     3,645,134.51    Class PT2-I-IO-19               N/A                    N/A
Class PT2-I-19B                  (3)            $     3,645,134.51             N/A                    N/A                    N/A
Class PT2-I-20A                  (2)            $     3,525,315.25    Class PT2-I-IO-20               N/A                    N/A
Class PT2-I-20B                  (3)            $     3,525,315.25              N/A                    N/A                    N/A
Class PT2-I-21A                  (2)            $    51,826,128.18    Class PT2-I-IO-21               N/A                    N/A
Class PT2-I-21B                  (3)            $    51,826,128.18             N/A                     N/A                    N/A
Class PT2-I-22A                  (2)            $     9,045,425.29    Class PT2-I-IO-22               N/A                    N/A
Class PT2-I-22B                  (3)            $     9,045,425.29             N/A                     N/A                    N/A
Class PT2-I-23A                  (2)            $       615,976.01    Class PT2-I-IO-23               N/A                    N/A
Class PT2-I-23B                  (3)            $       615,976.01             N/A                    N/A                    N/A
Class PT2-I-24A                  (2)            $       593,626.15    Class PT2-I-IO-24               N/A                    N/A
Class PT2-I-24B                  (3)            $       593,626.15             N/A                    N/A                     N/A
Class PT2-I-25A                  (2)            $       572,090.87    Class PT2-I-IO-25               N/A                    N/A
Class PT2-I-25B                  (3)            $       572,090.87             N/A                    N/A                    N/A
Class PT2-I-26A                  (2)            $       551,340.31    Class PT2-I-IO-26               N/A                    N/A
Class PT2-I-26B                  (3)            $       551,340.31             N/A                    N/A                    N/A
Class PT2-I-27A                  (2)            $       531,345.63    Class PT2-I-IO-27               N/A                    N/A
Class PT2-I-27B                  (3)            $       531,345.63             N/A                    N/A                    N/A
Class PT2-I-28A                   (2)            $       512,183.68    Class PT2-I-IO-28               N/A                    N/A
Class PT2-I-28B                  (3)            $       512,183.68             N/A                    N/A                    N/A
Class PT2-I-29A                   (2)            $       493,623.27    Class PT2-I-IO-29               N/A                    N/A
Class PT2-I-29B                  (3)            $       493,623.27             N/A                    N/A                    N/A
Class PT2-I-30A                  (2)             $       475,724.72    Class PT2-I-IO-30               N/A                    N/A
Class PT2-I-30B                  (3)            $       475,724.72             N/A                    N/A                    N/A
Class PT2-I-31A                  (2)            $       458,477.86    Class PT2-I-IO-31               N/A                    N/A
Class PT2-I-31B                  (3)            $       458,477.86             N/A                    N/A                    N/A
Class PT2-I-32A                  (2)            $       459,509.41    Class PT2-I-IO-32               N/A                    N/A
Class PT2-I-32B                  (3)            $       459,509.41             N/A                    N/A                    N/A
Class PT2-I-33A                  (2)            $     1,446,197.46    Class PT2-I-IO-33               N/A                    N/A
Class PT2-I-33B                  (3)            $     1,446,197.46             N/A                    N/A                    N/A
Class PT2-I-34A                  (2)            $       892,984.13    Class PT2-I-IO-34               N/A                    N/A
Class PT2-I-34B                  (3)            $       892,984.13             N/A                    N/A                    N/A
Class PT2-I-35A                  (2)            $       327,229.35    Class PT2-I-IO-35                N/A                    N/A
Class PT2-I-35B                  (3)            $       327,229.35             N/A                    N/A                    N/A
Class PT2-I-36A                  (2)            $       315,963.78    Class PT2-I-IO-36               N/A                    N/A
Class PT2-I-36B                  (3)            $       315,963.78             N/A                    N/A                    N/A
Class PT2-I-37A                  (2)            $       305,081.95    Class PT2-I-IO-37               N/A                     N/A
Class PT2-I-37B                  (3)            $       305,081.95             N/A                    N/A                    N/A
Class PT2-I-38A                  (2)            $       294,570.98    Class PT2-I-IO-38               N/A                     N/A
Class PT2-I-38B                  (3)            $       294,570.98             N/A                    N/A                    N/A
Class PT2-I-39A                  (2)            $       284,418.33    Class PT2-I-IO-39               N/A                    N/A
Class PT2-I-39B                  (3)            $       284,418.33             N/A                    N/A                    N/A
Class PT2-I-40A                  (2)            $       274,614.50    Class PT2-I-IO-40               N/A                    N/A
Class PT2-I-40B                  (3)            $       274,614.50             N/A                    N/A                    N/A
Class PT2-I-41A                  (2)            $       265,143.78    Class PT2-I-IO-41               N/A                    N/A
Class PT2-I-41B                   (3)            $       265,143.78             N/A                    N/A                    N/A
Class PT2-I-42A                  (2)            $       255,995.07    Class PT2-I-IO-42               N/A                    N/A
Class PT2-I-42B                  (3)            $       255,995.07             N/A                    N/A                    N/A
Class PT2-I-43A                  (2)            $       247,158.79    Class PT2-I-IO-43               N/A                    N/A
Class PT2-I-43B                  (3)             $       247,158.79             N/A                    N/A                    N/A
Class PT2-I-44A                  (2)            $       238,624.44    Class PT2-I-IO-44               N/A                    N/A
Class PT2-I-44B                  (3)            $       238,624.44             N/A                    N/A                    N/A
Class PT2-I-45A                  (2)            $       230,381.76    Class PT2-I-IO-45               N/A                    N/A
Class PT2-I-45B                  (3)            $       230,381.76             N/A                    N/A                    N/A
Class PT2-I-46A                  (2)            $       222,421.50    Class PT2-I-IO-46               N/A                    N/A
Class PT2-I-46B                  (3)            $       222,421.50              N/A                    N/A                    N/A
Class PT2-I-47A                  (2)            $       214,732.97    Class PT2-I-IO-47               N/A                    N/A
Class PT2-I-47B                  (3)            $       214,732.97             N/A                     N/A                    N/A
Class PT2-I-48A                  (2)            $       207,307.55    Class PT2-I-IO-48               N/A                    N/A
Class PT2-I-48B                  (3)            $       207,307.55             N/A                     N/A                    N/A
Class PT2-I-49A                  (2)            $       200,136.31    Class PT2-I-IO-49               N/A                    N/A
Class PT2-I-49B                  (3)            $       200,136.31             N/A                    N/A                     N/A
Class PT2-I-50A                  (2)            $       193,210.71    Class PT2-I-IO-50               N/A                    N/A
Class PT2-I-50B                  (3)            $       193,210.71             N/A                    N/A                     N/A
Class PT2-I-51A                  (2)            $       186,522.38    Class PT2-I-IO-51               N/A                    N/A
Class PT2-I-51B                  (3)            $       186,522.38             N/A                    N/A                    N/A
Class PT2-I-52A                  (2)            $       180,063.29    Class PT2-I-IO-52               N/A                    N/A
Class PT2-I-52B                  (3)            $       180,063.29             N/A                    N/A                    N/A
Class PT2-I-53A                  (2)            $       173,825.69    Class PT2-I-IO-53               N/A                    N/A
Class PT2-I-53B                  (3)            $       173,825.69             N/A                    N/A                    N/A
Class PT2-I-54A                   (2)            $       167,802.04    Class PT2-I-IO-54               N/A                    N/A
Class PT2-I-54B                  (3)            $       167,802.04             N/A                    N/A                    N/A
Class PT2-I-55A                   (2)            $     4,626,303.27    Class PT2-I-IO-55               N/A                    N/A
Class PT2-I-55B                  (3)            $     4,626,303.27             N/A                    N/A                    N/A
Class PT2-I-IO-2                 (4)                      (4)                  N/A            Class PT1-I-2A            February 2006
Class PT2-I-IO-3                 (4)                     (4)                  N/A            Class PT1-I-3A              March 2006
Class PT2-I-IO-4                 (4)                      (4)                  N/A            Class PT1-I-4A              April 2006
Class PT2-I-IO-5                 (4)                     (4)                  N/A            Class PT1-I-5A               May 2006
Class PT2-I-IO-6                 (4)                      (4)                  N/A            Class PT1-I-6A              June 2006
Class PT2-I-IO-7                 (4)                     (4)                  N/A            Class PT1-I-7A              July 2006
Class PT2-I-IO-8                 (4)                      (4)                  N/A            Class PT1-I-8A             August 2006
Class PT2-I-IO-9                 (4)                     (4)                  N/A            Class PT1-I-9A            September 2006
Class PT2-I-IO-10                (4)                      (4)                  N/A            Class PT1-I-10A            October 2006
Class PT2-I-IO-11                (4)                     (4)                  N/A            Class PT1-I-11A           November 2006
Class PT2-I-IO-12                (4)                      (4)                  N/A            Class PT1-I-12A           December 2006
Class PT2-I-IO-13                (4)                     (4)                  N/A            Class PT1-I-13A            January 2007
Class PT2-I-IO-14                (4)                      (4)                  N/A            Class PT1-I-14A           February 2007
Class PT2-I-IO-15                (4)                     (4)                  N/A            Class PT1-I-15A             March 2007
Class PT2-I-IO-16                (4)                      (4)                  N/A            Class PT1-I-16A             April 2007
Class PT2-I-IO-17                (4)                     (4)                  N/A            Class PT1-I-17A              May 2007
Class PT2-I-IO-18                (4)                      (4)                  N/A            Class PT1-I-18A             June 2007
Class PT2-I-IO-19                (4)                     (4)                  N/A            Class PT1-I-19A             July 2007
Class PT2-I-IO-20                (4)                     (4)                  N/A            Class PT1-I-20A            August 2007
Class PT2-I-IO-21                (4)                     (4)                  N/A            Class PT1-I-21A           September 2007
Class PT2-I-IO-22                (4)                     (4)                  N/A            Class PT1-I-22A            October 2007
Class PT2-I-IO-23                (4)                     (4)                  N/A            Class PT1-I-23A           November 2007
Class PT2-I-IO-24                (4)                     (4)                  N/A            Class PT1-I-24A           December 2007
Class PT2-I-IO-25                (4)                     (4)                  N/A            Class PT1-I-25A            January 2008
Class PT2-I-IO-26                (4)                     (4)                  N/A            Class PT1-I-26A           February 2008
Class PT2-I-IO-27                (4)                     (4)                  N/A            Class PT1-I-27A             March 2008
Class PT2-I-IO-28                (4)                     (4)                  N/A            Class PT1-I-28A             April 2008
Class PT2-I-IO-29                (4)                     (4)                  N/A            Class PT1-I-29A              May 2008
Class PT2-I-IO-30                (4)                     (4)                   N/A            Class PT1-I-30A             June 2008
Class PT2-I-IO-31                (4)                     (4)                  N/A            Class PT1-I-31A             July 2008
Class PT2-I-IO-32                (4)                     (4)                   N/A            Class PT1-I-32A            August 2008
Class PT2-I-IO-33                (4)                     (4)                  N/A            Class PT1-I-33A           September 2008
Class PT2-I-IO-34                (4)                     (4)                   N/A            Class PT1-I-34A            October 2008
Class PT2-I-IO-35                (4)                     (4)                  N/A            Class PT1-I-35A           November 2008
Class PT2-I-IO-36                (4)                     (4)                   N/A            Class PT1-I-36A           December 2008
Class PT2-I-IO-37                (4)                     (4)                  N/A            Class PT1-I-37A            January 2009
Class PT2-I-IO-38                (4)                     (4)                   N/A            Class PT1-I-38A           February 2009
Class PT2-I-IO-39                (4)                     (4)                  N/A            Class PT1-I-39A             March 2009
Class PT2-I-IO-40                (4)                     (4)                   N/A            Class PT1-I-40A             April 2009
Class PT2-I-IO-41                (4)                     (4)                  N/A            Class PT1-I-41A              May 2009
Class PT2-I-IO-42                (4)                     (4)                   N/A            Class PT1-I-42A             June 2009
Class PT2-I-IO-43                (4)                     (4)                  N/A            Class PT1-I-43A             July 2009
Class PT2-I-IO-44                (4)                     (4)                   N/A            Class PT1-I-44A            August 2009
Class PT2-I-IO-45                (4)                     (4)                  N/A            Class PT1-I-45A           September 2009
Class PT2-I-IO-46                (4)                     (4)                   N/A            Class PT1-I-46A            October 2009
Class PT2-I-IO-47                (4)                     (4)                  N/A            Class PT1-I-47A           November 2009
Class PT2-I-IO-48                (4)                     (4)                   N/A            Class PT1-I-48A           December 2009
Class PT2-I-IO-49                (4)                     (4)                  N/A            Class PT1-I-49A            January 2010
Class PT2-I-IO-50                (4)                     (4)                   N/A            Class PT1-I-50A           February 2010
Class PT2-I-IO-51                (4)                     (4)                  N/A            Class PT1-I-51A             March 2010
Class PT2-I-IO-52                (4)                     (4)                   N/A            Class PT1-I-52A             April 2010
Class PT2-I-IO-53                (4)                     (4)                  N/A            Class PT1-I-53A              May 2010
Class PT2-I-IO-54                (4)                     (4)                  N/A            Class PT1-I-54A             June 2010
Class PT2-I-IO-55                (4)                     (4)                  N/A              Class PT1-I-55A           July 2010
Class PT2-II-1                   (5)            $     40,546,039.23            N/A                     N/A                    N/A
Class PT2-II-2A                  (6)            $     16,127,664.05   Class PT2-II-IO-2               N/A                    N/A
Class PT2-II-2B                  (7)            $     16,127,664.05            N/A                     N/A                    N/A
Class PT2-II-3A                  (6)            $     13,870,676.14   Class PT2-II-IO-3               N/A                    N/A
Class PT2-II-3B                  (7)            $     13,870,676.14            N/A                    N/A                    N/A
Class PT2-II-4A                  (6)            $     13,380,750.42   Class PT2-II-IO-4               N/A                    N/A
Class PT2-II-4B                  (7)            $     13,380,750.42            N/A                    N/A                     N/A
Class PT2-II-5A                  (6)            $     12,914,564.99   Class PT2-II-IO-5               N/A                    N/A
Class PT2-II-5B                  (7)            $     12,914,564.99            N/A                    N/A                    N/A
Class PT2-II-6A                  (6)            $     12,470,450.94   Class PT2-II-IO-6               N/A                    N/A
Class PT2-II-6B                  (7)            $     12,470,450.94            N/A                    N/A                    N/A
Class PT2-II-7A                  (6)            $     12,046,797.96   Class PT2-II-IO-7               N/A                    N/A
Class PT2-II-7B                  (7)            $     12,046,797.96            N/A                    N/A                    N/A
Class PT2-II-8A                   (6)            $     11,642,056.50   Class PT2-II-IO-8               N/A                    N/A
Class PT2-II-8B                  (7)            $     11,642,056.50            N/A                    N/A                    N/A
Class PT2-II-9A                   (6)            $     11,254,739.96   Class PT2-II-IO-9               N/A                    N/A
Class PT2-II-9B                  (7)            $     11,254,739.96            N/A                    N/A                    N/A
Class PT2-II-10A                 (6)             $     10,883,426.38   Class PT2-II-IO-10              N/A                    N/A
Class PT2-II-10B                 (7)            $     10,883,426.38            N/A                    N/A                    N/A
Class PT2-II-11A                 (6)            $     10,526,761.35   Class PT2-II-IO-11              N/A                    N/A
Class PT2-II-11B                 (7)            $     10,526,761.35            N/A                    N/A                    N/A
Class PT2-II-12A                 (6)            $     10,183,248.59   Class PT2-II-IO-12              N/A                    N/A
Class PT2-II-12B                 (7)            $     10,183,248.59            N/A                    N/A                    N/A
Class PT2-II-13A                 (6)            $      9,851,275.64   Class PT2-II-IO-13              N/A                    N/A
Class PT2-II-13B                 (7)            $      9,851,275.64            N/A                    N/A                    N/A
Class PT2-II-14A                 (6)            $      9,472,795.79   Class PT2-II-IO-14              N/A                    N/A
Class PT2-II-14B                 (7)            $      9,472,795.79            N/A                    N/A                    N/A
Class PT2-II-15A                 (6)            $      9,063,710.46   Class PT2-II-IO-15               N/A                    N/A
Class PT2-II-15B                 (7)            $      9,063,710.46            N/A                    N/A                    N/A
Class PT2-II-16A                 (6)            $      8,672,388.68   Class PT2-II-IO-16              N/A                    N/A
Class PT2-II-16B                 (7)            $      8,672,388.68            N/A                    N/A                    N/A
Class PT2-II-17A                 (6)            $      8,298,055.41   Class PT2-II-IO-17              N/A                     N/A
Class PT2-II-17B                 (7)            $      8,298,055.41            N/A                    N/A                    N/A
Class PT2-II-18A                 (6)            $      7,939,969.73   Class PT2-II-IO-18              N/A                     N/A
Class PT2-II-18B                 (7)            $      7,939,969.73            N/A                    N/A                    N/A
Class PT2-II-19A                 (6)            $      7,597,423.09   Class PT2-II-IO-19              N/A                    N/A
Class PT2-II-19B                 (7)            $      7,597,423.09            N/A                    N/A                    N/A
Class PT2-II-20A                 (6)            $      7,347,688.10   Class PT2-II-IO-20              N/A                    N/A
Class PT2-II-20B                 (7)            $      7,347,688.10            N/A                    N/A                    N/A
Class PT2-II-21A                 (6)            $    108,019,339.57   Class PT2-II-IO-21              N/A                    N/A
Class PT2-II-21B                  (7)            $    108,019,339.57            N/A                    N/A                    N/A
Class PT2-II-22A                 (6)            $     18,853,055.41   Class PT2-II-IO-22              N/A                    N/A
Class PT2-II-22B                 (7)            $     18,853,055.41            N/A                    N/A                    N/A
Class PT2-II-23A                 (6)            $      1,283,856.69   Class PT2-II-IO-23              N/A                    N/A
Class PT2-II-23B                 (7)             $      1,283,856.69            N/A                    N/A                    N/A
Class PT2-II-24A                 (6)            $      1,237,273.70   Class PT2-II-IO-24              N/A                    N/A
Class PT2-II-24B                 (7)            $      1,237,273.70            N/A                    N/A                    N/A
Class PT2-II-25A                 (6)            $      1,192,388.48   Class PT2-II-IO-25              N/A                    N/A
Class PT2-II-25B                 (7)            $      1,192,388.48            N/A                    N/A                    N/A
Class PT2-II-26A                 (6)            $      1,149,138.84   Class PT2-II-IO-26              N/A                    N/A
Class PT2-II-26B                 (7)            $      1,149,138.84            N/A                    N/A                    N/A
Class PT2-II-27A                 (6)            $      1,107,464.62   Class PT2-II-IO-27              N/A                    N/A
Class PT2-II-27B                 (7)            $      1,107,464.62            N/A                     N/A                    N/A
Class PT2-II-28A                 (6)            $      1,067,526.07   Class PT2-II-IO-28              N/A                    N/A
Class PT2-II-28B                 (7)            $      1,067,526.07            N/A                     N/A                    N/A
Class PT2-II-29A                 (6)            $      1,028,841.28   Class PT2-II-IO-29              N/A                    N/A
Class PT2-II-29B                 (7)            $      1,028,841.28            N/A                    N/A                     N/A
Class PT2-II-30A                 (6)            $        991,535.98   Class PT2-II-IO-30              N/A                    N/A
Class PT2-II-30B                 (7)            $        991,535.98            N/A                    N/A                     N/A
Class PT2-II-31A                 (6)            $        955,588.94   Class PT2-II-IO-31              N/A                    N/A
Class PT2-II-31B                 (7)            $        955,588.94            N/A                    N/A                    N/A
Class PT2-II-32A                 (6)            $        957,738.99   Class PT2-II-IO-32              N/A                    N/A
Class PT2-II-32B                 (7)            $        957,738.99            N/A                    N/A                    N/A
Class PT2-II-33A                 (6)            $      3,014,257.49   Class PT2-II-IO-33              N/A                    N/A
Class PT2-II-33B                 (7)            $      3,014,257.49            N/A                    N/A                    N/A
Class PT2-II-34A                  (6)            $      1,861,214.77   Class PT2-II-IO-34              N/A                    N/A
Class PT2-II-34B                 (7)            $      1,861,214.77            N/A                    N/A                    N/A
Class PT2-II-35A                 (6)            $        682,032.40   Class PT2-II-IO-35              N/A                    N/A
Class PT2-II-35B                 (7)            $        682,032.40            N/A                    N/A                    N/A
Class PT2-II-36A                 (6)             $        658,551.97   Class PT2-II-IO-36              N/A                    N/A
Class PT2-II-36B                 (7)            $        658,551.97            N/A                    N/A                    N/A
Class PT2-II-37A                 (6)            $         635,871.35   Class PT2-II-IO-37              N/A                    N/A
Class PT2-II-37B                 (7)            $        635,871.35            N/A                    N/A                    N/A
Class PT2-II-38A                 (6)            $        613,963.72   Class PT2-II-IO-38              N/A                    N/A
Class PT2-II-38B                 (7)            $        613,963.72            N/A                    N/A                    N/A
Class PT2-II-39A                 (6)            $        592,802.92   Class PT2-II-IO-39              N/A                    N/A
Class PT2-II-39B                 (7)            $        592,802.92            N/A                    N/A                    N/A
Class PT2-II-40A                 (6)            $        572,369.15   Class PT2-II-IO-40              N/A                    N/A
Class PT2-II-40B                 (7)            $        572,369.15            N/A                    N/A                    N/A
Class PT2-II-41A                 (6)            $        552,629.67   Class PT2-II-IO-41               N/A                    N/A
Class PT2-II-41B                 (7)            $        552,629.67            N/A                    N/A                    N/A
Class PT2-II-42A                 (6)            $        533,561.33   Class PT2-II-IO-42              N/A                     N/A
Class PT2-II-42B                 (7)            $        533,561.33            N/A                    N/A                    N/A
Class PT2-II-43A                 (6)            $        515,144.21   Class PT2-II-IO-43              N/A                     N/A
Class PT2-II-43B                 (7)            $        515,144.21            N/A                    N/A                    N/A
Class PT2-II-44A                 (6)            $        497,356.36   Class PT2-II-IO-44              N/A                    N/A
Class PT2-II-44B                 (7)            $        497,356.36            N/A                    N/A                    N/A
Class PT2-II-45A                 (6)            $        480,176.44   Class PT2-II-IO-45              N/A                    N/A
Class PT2-II-45B                 (7)            $        480,176.44            N/A                    N/A                    N/A
Class PT2-II-46A                 (6)            $        463,585.15   Class PT2-II-IO-46              N/A                    N/A
Class PT2-II-46B                  (7)            $        463,585.15            N/A                    N/A                    N/A
Class PT2-II-47A                 (6)            $        447,560.23   Class PT2-II-IO-47              N/A                    N/A
Class PT2-II-47B                  (7)            $        447,560.23            N/A                    N/A                    N/A
Class PT2-II-48A                 (6)            $        432,083.70   Class PT2-II-IO-48              N/A                    N/A
Class PT2-II-48B                 (7)             $        432,083.70            N/A                    N/A                    N/A
Class PT2-II-49A                 (6)            $        417,136.94   Class PT2-II-IO-49              N/A                    N/A
Class PT2-II-49B                 (7)            $         417,136.94            N/A                    N/A                    N/A
Class PT2-II-50A                 (6)            $        402,702.14   Class PT2-II-IO-50              N/A                    N/A
Class PT2-II-50B                 (7)            $        402,702.14            N/A                    N/A                    N/A
Class PT2-II-51A                 (6)            $        388,761.92   Class PT2-II-IO-51              N/A                    N/A
Class PT2-II-51B                 (7)            $        388,761.92             N/A                    N/A                    N/A
Class PT2-II-52A                 (6)            $        375,299.46   Class PT2-II-IO-52              N/A                    N/A
Class PT2-II-52B                 (7)            $        375,299.46            N/A                    N/A                    N/A
Class PT2-II-53A                 (6)            $        362,298.66   Class PT2-II-IO-53              N/A                    N/A
Class PT2-II-53B                 (7)            $        362,298.66            N/A                     N/A                    N/A
Class PT2-II-54A                 (6)            $        349,743.76   Class PT2-II-IO-54              N/A                    N/A
Class PT2-II-54B                 (7)            $        349,743.76            N/A                    N/A                    N/A
Class PT2-II-55A                 (6)            $      9,642,437.93   Class PT2-II-IO-55              N/A                    N/A
Class PT2-II-55B                 (7)            $      9,642,437.93            N/A                    N/A                     N/A
Class PT2-II-IO-2                (4)                      (4)                 N/A              Class PT1-II-2A         February 2006
Class PT2-II-IO-3                (4)                      (4)                 N/A              Class PT1-II-3A            March 2006
Class PT2-II-IO-4                (4)                      (4)                 N/A              Class PT1-II-4A           April 2006
Class PT2-II-IO-5                (4)                      (4)                 N/A              Class PT1-II-5A             May 2006
Class PT2-II-IO-6                (4)                      (4)                 N/A              Class PT1-II-6A           June 2006
Class PT2-II-IO-7                (4)                      (4)                 N/A              Class PT1-II-7A           July 2006
Class PT2-II-IO-8                (4)                      (4)                 N/A              Class PT1-II-8A          August 2006
Class PT2-II-IO-9                (4)                      (4)                 N/A              Class PT1-II-9A         September 2006
Class PT2-II-IO-10               (4)                      (4)                 N/A              Class PT1-II-10A         October 2006
Class PT2-II-IO-11               (4)                      (4)                 N/A              Class PT1-II-11A        November 2006
Class PT2-II-IO-12               (4)                      (4)                 N/A              Class PT1-II-12A        December 2006
Class PT2-II-IO-13               (4)                      (4)                 N/A              Class PT1-II-13A         January 2007
Class PT2-II-IO-14               (4)                      (4)                 N/A              Class PT1-II-14A        February 2007
Class PT2-II-IO-15               (4)                      (4)                 N/A              Class PT1-II-15A          March 2007
Class PT2-II-IO-16               (4)                      (4)                 N/A              Class PT1-II-16A          April 2007
Class PT2-II-IO-17               (4)                      (4)                 N/A              Class PT1-II-17A           May 2007
Class PT2-II-IO-18               (4)                      (4)                 N/A              Class PT1-II-18A          June 2007
Class PT2-II-IO-19               (4)                      (4)                 N/A              Class PT1-II-19A          July 2007
Class PT2-II-IO-20               (4)                      (4)                 N/A              Class PT1-II-20A         August 2007
Class PT2-II-IO-21               (4)                      (4)                 N/A              Class PT1-II-21A        September 2007
Class PT2-II-IO-22               (4)                      (4)                 N/A              Class PT1-II-22A         October 2007
Class PT2-II-IO-23               (4)                      (4)                 N/A              Class PT1-II-23A        November 2007
Class PT2-II-IO-24               (4)                      (4)                 N/A              Class PT1-II-24A        December 2007
Class PT2-II-IO-25               (4)                      (4)                 N/A              Class PT1-II-25A         January 2008
Class PT2-II-IO-26               (4)                      (4)                 N/A              Class PT1-II-26A        February 2008
Class PT2-II-IO-27               (4)                      (4)                 N/A              Class PT1-II-27A          March 2008
Class PT2-II-IO-28               (4)                      (4)                 N/A              Class PT1-II-28A          April 2008
Class PT2-II-IO-29               (4)                      (4)                 N/A              Class PT1-II-29A           May 2008
Class PT2-II-IO-30               (4)                      (4)                 N/A              Class PT1-II-30A          June 2008
Class PT2-II-IO-31               (4)                      (4)                 N/A              Class PT1-II-31A          July 2008
Class PT2-II-IO-32               (4)                      (4)                 N/A              Class PT1-II-32A         August 2008
Class PT2-II-IO-33               (4)                      (4)                 N/A              Class PT1-II-33A        September 2008
Class PT2-II-IO-34               (4)                      (4)                 N/A              Class PT1-II-34A         October 2008
Class PT2-II-IO-35               (4)                      (4)                 N/A              Class PT1-II-35A        November 2008
Class PT2-II-IO-36               (4)                      (4)                 N/A              Class PT1-II-36A        December 2008
Class PT2-II-IO-37               (4)                      (4)                 N/A              Class PT1-II-37A         January 2009
Class PT2-II-IO-38               (4)                      (4)                 N/A              Class PT1-II-38A        February 2009
Class PT2-II-IO-39               (4)                      (4)                 N/A              Class PT1-II-39A          March 2009
Class PT2-II-IO-40               (4)                      (4)                 N/A              Class PT1-II-40A          April 2009
Class PT2-II-IO-41               (4)                      (4)                 N/A              Class PT1-II-41A           May 2009
Class PT2-II-IO-42               (4)                      (4)                 N/A              Class PT1-II-42A          June 2009
Class PT2-II-IO-43               (4)                      (4)                 N/A              Class PT1-II-43A          July 2009
Class PT2-II-IO-44               (4)                      (4)                 N/A              Class PT1-II-44A         August 2009
Class PT2-II-IO-45               (4)                      (4)                 N/A              Class PT1-II-45A        September 2009
Class PT2-II-IO-46               (4)                      (4)                 N/A              Class PT1-II-46A         October 2009
Class PT2-II-IO-47               (4)                      (4)                 N/A              Class PT1-II-47A        November 2009
Class PT2-II-IO-48               (4)                      (4)                 N/A              Class PT1-II-48A        December 2009
Class PT2-II-IO-49               (4)                      (4)                 N/A              Class PT1-II-49A         January 2010
Class PT2-II-IO-50               (4)                      (4)                 N/A              Class PT1-II-50A        February 2010
Class PT2-II-IO-51               (4)                      (4)                 N/A              Class PT1-II-51A          March 2010
Class PT2-II-IO-52               (4)                      (4)                 N/A              Class PT1-II-52A          April 2010
Class PT2-II-IO-53               (4)                      (4)                 N/A              Class PT1-II-53A           May 2010
Class PT2-II-IO-54                (4)                      (4)                 N/A              Class PT1-II-54A          June 2010
Class PT2-II-IO-55               (4)                      (4)                 N/A              Class PT1-II-55A          July 2010
Class PT2-R                       (8)                      (8)                 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 the Group II Mortgage Loans 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 have a principal balance and shall not
     bear interest.

            On each Distribution Date, the interest distributable in respect of
the Mortgage Loans from the related Loan Group 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 then outstanding Pooling-Tier REMIC-2 Regular Interests (other
than the Pooling-Tier REMIC-2 IO Interests) relating to the Group I Mortgage
Loans with the lowest numerical denomination 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 the Group I Mortgage Loans
with the same numerical denomination, such Realized Losses, Subsequent
Recoveries and payments of principal shall be allocated pro rata between such
Pooling-Tier REMIC-2 Regular Interests, until the Pooling-Tier REMIC-2 Principal
Amount of such interests 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 then 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 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 the Group II Mortgage Loans 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, until
the Pooling-Tier REMIC-2 Principal Amount of such interests 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.

                                                                  Corresponding
                                                                    Upper-Tier
  Lower-Tier REMIC      Lower-Tier    Initial Lower-Tier Principal    REMIC Regular
     Interest        Interest Rate              Amount                 Interest
------------------ --------------- ------------------------------ --------------
Class LT-A-1              (1)        1/2 initial Class Certificate          A-1
                                   Balance of Corresponding
                                   Upper-Tier Regular Interest
Class LT-A-2a             (1)        1/2 initial Class Certificate         A-2a
                                   Balance of Corresponding
                                   Upper-Tier Regular Interest
Class LT-A-2b             (1)        1/2 initial Class Certificate         A-2b
                                   Balance of Corresponding
                                   Upper-Tier Regular Interest
Class LT-A-2c             (1)        1/2 initial Class Certificate         A-2c
                                   Balance of Corresponding
                                   Upper-Tier Regular Interest
Class LT-M-1              (1)        1/2 initial Class Certificate          M-1
                                   Balance of Corresponding
                                   Upper-Tier Regular Interest
Class LT-M-2              (1)        1/2 initial Class Certificate          M-2
                                   Balance of Corresponding
                                   Upper-Tier Regular Interest
Class LT-M-3              (1)         1/2 initial Class Certificate          M-3
                                   Balance of Corresponding
                                   Upper-Tier Regular Interest
Class LT-M-4              (1)        1/2 initial Class Certificate          M-4
                                    Balance of Corresponding
                                   Upper-Tier Regular Interest
Class LT-M-5              (1)        1/2 initial Class Certificate          M-5
                                   Balance of Corresponding
                                    Upper-Tier Regular Interest
Class LT-M-6              (1)        1/2 initial Class Certificate          M-6
                                   Balance of Corresponding
                                   Upper-Tier Regular Interest
Class LT-B-1              (1)        1/2 initial Class Certificate          B-1
                                   Balance of Corresponding
                                   Upper-Tier Regular Interest
Class LT-B-2              (1)        1/2 initial Class Certificate          B-2
                                   Balance of Corresponding
                                   Upper-Tier Regular Interest
Class LT-B-3              (1)        1/2 initial Class Certificate          B-3
                                    Balance of Corresponding
                                   Upper-Tier Regular Interest
Class LT-Accrual          (1)        1/2 Pool Stated Principal              N/A
                                   Balance plus 1/2 Subordinated
                                    Amount, less the aggregate
                                   initial Lower-Tier Principal
                                   Amount of Class LT-Group I
                                   and Class LT Group II
Class LT-Group I          (2)        0.001% aggregate Stated              N/A
                                   Principal Balance of Group I
                                   Mortgage Loans(4)
Class LT-Group II         (3)        0.001% aggregate Stated              N/A
                                    Principal Balance of
                                   Group II Mortgage Loans(4)
Class LT-IO               (5)        (5)                                  N/A
Class LT-R                (6)        (6)                                  N/A

--------------------------
(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
     the Group I Mortgage Loans.

(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 the Group II Mortgage Loans.

(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)   The Class LT-R Interest is the sole class of residual interest in the
     Lower-Tier REMIC and it 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-M-1, Class LT-M-2, Class LT-M-3, Class LT-M-4,
Class LT-M-5, Class LT-M-6, 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 Subordinated
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 Subordinated 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 Subordinated 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 Subordinated
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 Subordinated 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 Interest and the Class LT-Group II
Interest (and further allocated among 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 Subordinated Amount. Any increase
in the Class Certificate Balance of a Class of Offered 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, the Class LT-Group I Interest and the Class
LT-Group II Interest (such increase shall be further allocated among such
Lower-Tier Regular Interests in the manner described below). 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 and all increases in the
Lower-Tier Principal Amount of such Lower-Tier Regular Interests as a result of
Subsequent Recoveries 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.

                                                                Corresponding
  Upper-Tier REMIC        Upper-Tier        Initial Principal        Class of
      Interest           Interest Rate      Upper-Tier Amount      Certificates
-------------------- ------------------ --------------------- ------------------
Class A-1                     (1)             $ 284,575,000          Class A-1
Class A-2a                    (2)             $ 376,590,000         Class A-2a
Class A-2b                    (2)              $ 124,930,000         Class A-2b
Class A-2c                    (2)             $   91,611,000         Class A-2c
Class M-1                     (3)             $   43,428,000          Class M-1
Class M-2                     (3)             $   39,428,000          Class M-2
Class M-3                     (3)             $   29,143,000          Class M-3
Class M-4                     (3)             $   19,428,000          Class M-4
Class M-5                     (3)             $   19,428,000          Class M-5
Class M-6                      (3)             $   17,143,000          Class M-6
Class B-1                     (3)             $   18,286,000          Class B-1
Class B-2                     (3)             $   14,285,000          Class B-2
Class B-3                     (3)             $   13,714,000          Class B-3
Class IO                      (4)                  (2)                  N/A
Class X                       (5)                  (3)                Class X
Class UT-R                    (6)                  (6)                Class R

-----------------
(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 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 IO Interest shall be entitled
     to receive all interest distributable on the Class LT-IO Interest. This
     interest shall be beneficially owned by the holders of the Class X
     Certificates and shall be held as an asset of the Swap Account.

(5)   The Class X Interest has an initial principal balance of $50,857,602 but
     will not accrue interest on such balance but will accrue interest on a
     notional principal balance. As of any Distribution Date, the Class 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 Interest) as of the first day of the related Interest
     Accrual Period. With respect to any Interest Accrual Period, the Class 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 Interest), 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 X Interest shall be deferred in an
     amount equal to any increase in the Subordinated Amount on such
     Distribution Date. Such deferred interest shall not itself bear interest.

(6)   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 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.

                       The Certificates
                      ----------------

                            Class          Class Certificate
  Class Designation    Pass-Through Rate         Balance
-------------------- ------------------- -------------------
Class A-1                      (1)           $284,575,000
Class A-2a                     (2)           $376,590,000
Class A-2b                     (3)           $124,930,000
Class A-2c                     (4)           $ 91,611,000
Class M-1                      (5)            $ 43,428,000
Class M-2                      (5)           $ 39,428,000
Class M-3                      (5)           $ 29,143,000
Class M-4                      (5)           $ 19,428,000
Class M-5                      (5)           $ 19,428,000
Class M-6                       (5)           $ 17,143,000
Class B-1                      (5)           $ 18,286,000
Class B-2                      (5)           $ 14,285,000
Class B-3                      (5)           $ 13,714,000
Class X                        (6)           $            0(6)
Class R                        (7)           $           0(7)

------------
(1)   The Class A-1 Interest will bear interest during each Interest Accrual
     Period at a per annum rate equal to (a) on or prior to the Optional
     Termination Date, the least of (i) LIBOR plus the applicable Pass-Through
     Margin, (ii) the Loan Group I Cap and (iii) the WAC Cap or (b) after the
     Optional Termination Date, the least of (i) LIBOR plus the applicable
     Pass-Through Margin, (ii) the Loan Group I Cap and (iii) the WAC Cap.

(2)   The Class A-2a Interest will bear interest during each Interest Accrual
     Period at a per annum rate equal to (a) on or prior to the Optional
     Termination Date, the least of (i) LIBOR plus the applicable Pass-Through
     Margin, (ii) the Loan Group II Cap and (iii) the WAC Cap or (b) after the
     Optional Termination Date, the least of (i) LIBOR plus the applicable
     Pass-Through Margin, (ii) the Loan Group II Cap and (iii) the WAC Cap.

(3)   The Class A-2b Interest will bear interest during each Interest Accrual
     Period at a per annum rate equal to (a) on or prior to the Optional
     Termination Date, the least of (i) LIBOR plus the applicable Pass-Through
     Margin, (ii) the Loan Group II Cap and (iii) the WAC Cap or (b) after the
     Optional Termination Date, the least of (i) LIBOR plus the applicable
     Pass-Through Margin, (ii) the Loan Group II Cap and (iii) the WAC Cap.

(4)   The Class A-2c Interest will bear interest during each Interest Accrual
     Period at a per annum rate equal to (a) on or prior to the Optional
     Termination Date, the least of (i) LIBOR plus the applicable Pass-Through
     Margin, (ii) the Loan Group II Cap and (iii) the WAC Cap or (b) after the
     Optional Termination Date, the least of (i) LIBOR plus the applicable
     Pass-Through Margin, (ii) the Loan Group II Cap and (iii) the WAC Cap.

(5)   The Class M-1, Class M-2, Class M-3, Class M-4, Class M-5, Class M-6, Class
     B-1, Class B-2 and Class B-3 Interests will bear interest during each
     Interest Accrual Period at a per annum rate equal to (a) on or prior to the
     Optional Termination Date, the lesser of (i) LIBOR plus the applicable
     Pass-Through Margin, and (ii) the WAC Cap or (b) after the Optional
     Termination Date, the lesser of (i) LIBOR plus the applicable Pass-Through
     Margin, and (ii) the WAC Cap.

(6)   The Class X Certificates will represent beneficial ownership of the Class X
     Interest, the Class IO Interest, the Interest Rate Swap Agreement, the
     right to Class IO Shortfalls and amounts in the Excess Reserve Fund Account
     and the Swap Account, subject to the obligation to make payments from the
     Excess Reserve Fund Account in respect of Basis Risk CarryForward Amounts
     and amounts in the Swap Account subject to the obligation to make Net Swap
     Payments, Swap Termination Payments and Basis Risk CarryForward Amounts.
     For federal income tax purposes, the Trustee will treat a Class X
     Certificateholder's obligation to make payments from the Excess Reserve
     Fund Account or the Swap Account as payments made pursuant to an interest
     rate cap contract written by the Class X Certificateholders in favor of
     each Class of LIBOR Certificates. Such rights of the Class X
     Certificateholders and LIBOR Certificateholders shall be treated as held in
     a portion of the Trust Fund that is treated as a grantor trust under
     subpart E, Part I of subchapter J of the Code.

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

(8)   Each of these Certificates will represent not only the ownership of the
     Corresponding Class of Upper-Tier Regular Interest but also the right to
     receive payments from the Excess Reserve Fund Account and the Swap Account
     in respect of any Basis Risk CarryForward Amounts. Each of these
     Certificates will also be subject to the obligation to pay Class IO
     Shortfalls as described in Section 8.13. For federal income tax purposes,
     any amount distributed on the LIBOR Certificates on any such Distribution
     Date in excess of the amount distributable on their Corresponding Class of
     Upper-Tier Regular Interest on such Distribution Date shall be treated as
     having been paid from the Excess Reserve Fund Account or the Swap Account,
     as applicable, and any amount distributable on such Corresponding Class of
     Upper-Tier Regular Interest on such Distribution Date in excess of the
     amount distributable on the LIBOR Certificates on such Distribution Date
     shall be treated as having been paid to the Swap Account, all pursuant to,
     and as further provided in, Section 8.13. For federal income tax purposes,
     the Trustee will treat a Certificateholder's right to receive payments from
     the Excess Reserve Fund Account or the Swap Account as payments made
     pursuant to an interest rate cap contract written by the Class X
     Certificateholders.

            The minimum denomination for each Class of Certificates, other than
the Class P, Class R and the Class X Certificates, will be $25,000 with integral
multiples of $1 in excess thereof. The minimum denomination for the Class P and
the Class X Certificates will each be a 1% Percentage Interest in such Class.
The Class R Certificate will represent a 100% Percentage Interest in such Class.

            It is expected that each Class of Certificates will receive its
final distribution of principal and interest on or prior to the Final Scheduled
Distribution Date.

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

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

Class A Certificates..............    Class A-1, Class A-2a, Class A-2b and
                                     Class A-2c Certificates.

Delay Certificates................    None.

ERISA-Restricted Certificates.....    Class R Certificates, Class P Certificates
                                     and Class X Certificates; any certificate
                                     with a rating below the lowest applicable
                                     permitted rating under the Underwriters'
                                      Exemption.

LIBOR Certificates................    Class A and Subordinated Certificates.

Non-Delay Certificates............    Class A, Class X and Subordinated
                                     Certificates.

Offered Certificates..............    LIBOR Certificates other than the
                                     Class A-1 Certificates.

Physical Certificates.............    Class P, Class X and Class R Certificates.

Private Certificates..............    Class A-1, Class P, Class X and Class R
                                     Certificates.

Rating Agencies...................    Fitch, Moody's and Standard & Poor's.

Regular Certificates..............    All Classes of Certificates other than the
                                      Class P and Class R Certificates.

Residual Certificates.............    Class R Certificates.

Subordinated Certificates.........    Class M-1, Class M-2, Class M-3,
                                     Class M-4, Class M-5, Class M-6,
                                      Class B-1, Class B-2 and Class B-3
                                     Certificates.


                                   ARTICLE I

                                   DEFINITIONS

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

            Accepted Servicing Practices: With respect to any Mortgage Loan,
those mortgage servicing practices set forth in Section 3.01(a) of this
Agreement.

            Account: Any of the Collection Account, the Distribution Account,
any Escrow Account, the Excess Reserve Fund Account or the Swap Account. Each
Account shall be an Eligible Account.

            Accrued Certificate Interest Distribution Amount: With respect to
any Distribution Date for each Class of LIBOR Certificates, the amount of
interest accrued during the related Interest Accrual Period at the applicable
Pass-Through Rate on the related Class Certificate Balance immediately prior to
such Distribution Date, as reduced by such Class's share of Net Prepayment
Interest Shortfalls and Relief Act Interest Shortfalls for such Distribution
Date allocated to such Class pursuant to Section 4.02.

            Adjustable Rate Mortgage Loan: An adjustable rate Mortgage Loan.

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

            Adjustment Date: As to any Adjustable Rate Mortgage Loan, the first
Due Date on which the related Mortgage Rate adjusts as set forth in the related
Mortgage Note and each Due Date thereafter on which the Mortgage Rate adjusts as
set forth in the related Mortgage Note.

            Advance: Any P&I Advance or Servicing Advance.

            Advance Facility: A financing or other facility as described in
Section 10.07.

            Advancing Person: The Person to whom the Servicer's rights under
this Agreement to be reimbursed for any P&I Advances or Servicing Advances have
been assigned pursuant to Section 10.07.

            Affiliate: With respect to any Person, any other Person controlling,
controlled by or under common control with such first Person. For the purposes
of this definition, "control" means the power to direct the management and
policies of such Person, directly or indirectly, whether through the ownership
of voting securities, by contract or otherwise; and the terms "controlling" and
"controlled" have meanings correlative to the foregoing.

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

            Amount Held for Future Distribution: As to the Certificates on any
Distribution Date, the aggregate amount held in each Collection Account at the
close of business on the related Determination Date on account of (i) Principal
Prepayments, Insurance Proceeds, Condemnation Proceeds and Liquidation Proceeds
on the Mortgage Loans received after the end of the related Prepayment Period
and (ii) all Scheduled Payments on the Mortgage Loans due after the end of the
related Due Period.

            Analytics Company: Intex Solutions, Inc., or any other bond
analytics service provider identified to the Trustee by the Depositor.

            Applied Realized Loss Amount: With respect to any Distribution Date,
the amount, if any, by which the aggregate Class Certificate Balance of the
LIBOR Certificates after distributions of principal on such Distribution Date
exceeds the aggregate Stated Principal Balance of the Mortgage Loans for such
Distribution Date.

            Appraised Value: The value set forth in an appraisal made in
connection with the origination of the related Mortgage Loan as the value of the
Mortgaged Property.

            Assignment of Mortgage: An assignment of the Mortgage, notice of
transfer or equivalent instrument in recordable form (other than the assignee's
name and recording information not yet returned from the recording office),
reflecting the sale of the Mortgage to the Trustee.

            Available Funds: With respect to any Distribution Date and the
Mortgage Loans to the extent received by the Trustee (x) the sum of (i) all
scheduled installments of interest (net of the related Expense Fees) and
principal due on the Due Date on such Mortgage Loans in the related Due Period
and received by the Servicer on or prior to the related Determination Date,
together with any P&I Advances in respect thereof; (ii) all Condemnation
Proceeds, Insurance Proceeds and Liquidation Proceeds received by the Servicer
during the related Prepayment Period (in each case, net of unreimbursed expenses
incurred in connection with a liquidation or foreclosure and unreimbursed
Advances, if any); (iii) all partial or full prepayments on the Mortgage Loans
received by the Servicer during the related Prepayment Period together with all
Compensating Interest, if applicable, thereon (excluding any Prepayment
Charges); (iv) all Substitution Adjustment Amounts with respect to the
substitutions of Mortgage Loans that occur with respect to such Distribution
Date; (v) amounts received with respect to such Distribution Date as the
Repurchase Price in respect of a Mortgage Loan repurchased by the Depositor or
the Responsible Party, as applicable, with respect to such Distribution Date;
(vi) the proceeds received with respect to the termination of the Trust Fund
pursuant to clause (a) of Section 9.01; and (vii) the Closing Date Deposit
Amount; reduced by (y) amounts in reimbursement for Advances previously made
with respect to the Mortgage Loans and other amounts as to which the Servicer,
the Depositor or the Trustee are entitled to be paid or reimbursed pursuant to
this Agreement.

            Balloon Loan: Any Mortgage Loan that requires only payments of
interest until the stated maturity date of the Mortgage Loan or Scheduled
Payments of principal which (not including the payment due on its stated
maturity date) are based on an amortization schedule that would be insufficient
to fully amortize the principal thereof by the stated maturity date of the
Mortgage Loan.

            Basic Principal Distribution Amount: With respect to any
Distribution Date, the excess of (i) the Principal Remittance Amount for such
Distribution Date over (ii) the Excess Subordinated Amount, if any, for such
Distribution Date.

            Basis Risk CarryForward Amount: With respect to each Class of
Certificates, as of any Distribution Date, the sum of (A) if on such
Distribution Date the Pass-Through Rate for any Class of LIBOR Certificates is
based upon a Loan Group Cap or the WAC Cap, the excess of (i) the Accrued
Certificate Interest Distribution Amount such Class of Certificates would
otherwise be entitled to receive on such Distribution Date had such Pass-Through
Rate not been subject to any Loan Group Cap or WAC Cap (that is, had such rate
been calculated as the sum of LIBOR and the applicable Pass-Through Margin on
such Class of Certificates for such Distribution Date and the resulting amount
being reduced by allocated Net Prepayment Interest Shortfalls and Relief Act
Interest Shortfalls) over (ii) the Accrued Certificate Interest Distribution
Amount received on such Distribution Date such Class of Certificates at, with
respect to each Class of Group I Class A Certificates, the lesser of the Loan
Group I Cap or the WAC Cap, with respect to each Class of Group II Class A
Certificates, the lesser of the Loan Group II Cap or the WAC Cap, and with
respect to each other Class of LIBOR Certificates, the WAC Cap, as applicable,
for such Distribution Date and (B) the Basis Risk CarryForward Amount for such
Class of Certificates for all previous Distribution Dates not previously paid,
together with interest thereon at a rate equal to the sum of LIBOR and the
applicable Pass-Through Margin for such Class of Certificates for such
Distribution Date.

            Basis Risk Payment: For any Distribution Date, an amount equal to
the lesser of (i) the aggregate of the Basis Risk CarryForward Amounts for such
Distribution Date and (ii) the Class X Distributable Amount (prior to any
reduction for amounts paid from the Excess Reserve Fund Account to pay any Basis
Risk CarryForward Amount or any Swap Termination Payment).

            Best's: Best's Key Rating Guide, as the same shall be amended from
time to time.

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

            Business Day: Any day other than (i) Saturday or Sunday, or (ii) a
day on which banking and savings and loan institutions, in (a) the States of
Arizona, New York, California, Texas, Maryland, Minnesota or Delaware, (b) a
State in which the Servicer's servicing operations are located, or (c) the State
in which the Trustee's operations are located, are authorized or obligated by
law or executive order to be closed.

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

            Certificate Balance: With respect to any Class of Certificates,
other than the Class X, Class P or Class R Certificates, at any date, the
maximum dollar amount of principal to which the Holder thereof is then entitled
hereunder, such amount being equal to the Denomination thereof minus all
distributions of principal previously made with respect thereto and in the case
of any Certificates, reduced by any Applied Realized Loss Amounts allocated to
such Class of Certificates pursuant to Section 4.05; provided, however, that
immediately following the Distribution Date on which a Subsequent Recovery is
distributed, the Class Certificate Balances of any Class or Classes of
Certificates that have been previously reduced by Applied Realized Loss Amounts
will be increased, in order of seniority, by the amount of the Subsequent
Recovery distributed on such Distribution Date (up to the amount of the Unpaid
Realized Loss Amount for such Class or Classes for such Distribution Date). The
Class X, Class P and Class R Certificates have no Certificate Balance.

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

            Certificate    Register:    The   register    maintained   pursuant   to
Section 5.02.

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

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

            Class A   Certificate   Group:   The Group I Class A   Certificates or
the Group II Class A Certificates, as applicable.

            Class A   Certificates:   The Group I Class A   Certificates   and the
Group II Class A Certificates.

            Class A Principal Allocation Percentage: With respect to any
Distribution Date, the percentage equivalent of a fraction, determined as
follows: (A) with respect to the Group I Class A Certificates, a fraction, the
numerator of which is (x) the portion of the Principal Remittance Amount for
such Distribution Date that is attributable to the principal received or
advanced on the Group I Mortgage Loans and the denominator of which is (y) the
Principal Remittance Amount for such Distribution Date and (B) with respect to
the Group II Class A Certificates, a fraction, the numerator of which is (x) the
portion of the Principal Remittance Amount for such Distribution Date that is
attributable to the principal received or advanced on the Group II Mortgage
Loans and the denominator of which is (y) the Principal Remittance Amount for
such Distribution Date.

            Class A Principal Distribution Amount: With respect to any
Distribution Date, the excess of (i) the aggregate Class Certificate Balances of
the Class A Certificates immediately prior to such Distribution Date over (ii)
the lesser of (A) 53.60% of the aggregate Stated Principal Balance of the
Mortgage Loans for such Distribution Date and (B) the excess, if any, of the
aggregate Stated Principal Balance of the Mortgage Loans for such Distribution
Date over $5,714,233.

            Class A-1 Certificates: All Certificates bearing the class
designation of "Class A-1".

            Class A-2a Certificates: All Certificates bearing the class
designation of "Class A-2a".

            Class A-2b Certificates: All Certificates bearing the class
designation of "Class A-2b".

            Class A-2c Certificates: All Certificates bearing the class
designation of "Class A-2c".

            Class B Certificates: The Class B-1, Class B-2 and Class B-3
Certificates.

            Class B-1 Certificates: All Certificates bearing the class
designation of "Class B-1".

             Class B-1 Principal Distribution Amount: With respect to any
Distribution Date, the excess of (i) the sum of (A) the aggregate Class
Certificate Balances of the Class A Certificates (after taking into account the
distribution of the Class A Principal Distribution Amount for such Distribution
Date), (B) the Class Certificate Balance of the Class M-1 Certificates (after
taking into account the distribution of the Class M-1 Principal Distribution
Amount for such Distribution Date), (C) the Class Certificate Balance of the
Class M-2 Certificates (after taking into account the distribution of the Class
M-2 Principal Distribution Amount for such Distribution Date), (D) the Class
Certificate Balance of the Class M-3 Certificates (after taking into account the
distribution of the Class M-3 Principal Distribution Amount for such
Distribution Date), (E) the Class Certificate Balance of the Class M-4
Certificates (after taking into account the distribution of the Class M-4
Principal Distribution Amount for such Distribution Date), (F) the Class
Certificate Balance of the Class M-5 Certificates (after taking into account the
distribution of the Class M-5 Principal Distribution Amount for such
Distribution Date), (G) the Class Certificate Balance of the Class M-6
Certificates (after taking into account the distribution of the Class M-6
Principal Distribution Amount for such Distribution Date) and (H) the Class
Certificate Balance of the Class B-1 Certificates immediately prior to such
Distribution Date over (ii) the lesser of (A) 86.20% of the aggregate Stated
Principal Balance of the Mortgage Loans for such Distribution Date and (B) the
excess, if any, of the aggregate Stated Principal Balance of the Mortgage Loans
for such Distribution Date over $5,714,233.

            Class B-2 Certificates: All Certificates bearing the class
designation of "Class B-2".

            Class B-2 Principal Distribution Amount: With respect to any
Distribution Date, the excess of (i) the sum of (A) the aggregate Class
Certificate Balances of the Class A Certificates (after taking into account the
distribution of the Class A Principal Distribution Amount for such Distribution
Date), (B) the Class Certificate Balance of the Class M-1 Certificates (after
taking into account the distribution of the Class M-1 Principal Distribution
Amount for such Distribution Date), (C) the Class Certificate Balance of the
Class M-2 Certificates (after taking into account the distribution of the Class
M-2 Principal Distribution Amount for such Distribution Date), (D) the Class
Certificate Balance of the Class M-3 Certificates (after taking into account the
distribution of the Class M-3 Principal Distribution Amount for such
Distribution Date), (E) the Class Certificate Balance of the Class M-4
Certificates (after taking into account the distribution of the Class M-4
Principal Distribution Amount for such Distribution Date), (F) the Class
Certificate Balance of the Class M-5 Certificates (after taking into account the
distribution of the Class M-5 Principal Distribution Amount for such
Distribution Date), (G) the Class Certificate Balance of the Class M-6
Certificates (after taking into account the distribution of the Class M-6
Principal Distribution Amount for such Distribution Date), (H) the Class
Certificate Balance of the Class B-1 Certificates (after taking into account the
distribution of the Class B-1 Principal Distribution Amount for such
Distribution Date), and (I) the Class Certificate Balance of the Class B-2
Certificates immediately prior to such Distribution Date over (ii) the lesser of
(A) 88.70% of the aggregate Stated Principal Balance of the Mortgage Loans for
such Distribution Date and (B) the excess, if any, of the aggregate Stated
Principal Balance of the Mortgage Loans for such Distribution Date over
$5,714,233.

            Class B-3 Certificates: All Certificates bearing the class
designation of "Class B-3".

            Class B-3 Principal Distribution Amount: With respect to any
Distribution Date, the excess of (i) the sum of (A) the aggregate Class
Certificate Balances of the Class A Certificates (after taking into account the
distribution of the Class A Principal Distribution Amount for such Distribution
Date), (B) the Class Certificate Balance of the Class M-1 Certificates (after
taking into account the distribution of the Class M-1 Principal Distribution
Amount for such Distribution Date), (C) the Class Certificate Balance of the
Class M-2 Certificates (after taking into account the distribution of the Class
M-2 Principal Distribution Amount for such Distribution Date), (D) the Class
Certificate Balance of the Class M-3 Certificates (after taking into account the
distribution of the Class M-3 Principal Distribution Amount for such
Distribution Date), (E) the Class Certificate Balance of the Class M-4
Certificates (after taking into account the distribution of the Class M-4
Principal Distribution Amount for such Distribution Date), (F) the Class
Certificate Balance of the Class M-5 Certificates (after taking into account the
distribution of the Class M-5 Principal Distribution Amount for such
Distribution Date), (G) the Class Certificate Balance of the Class M-6
Certificates (after taking into account the distribution of the Class M-6
Principal Distribution Amount for such Distribution Date), (H) the Class
Certificate Balance of the Class B-1 Certificates (after taking into account the
distribution of the Class B-1 Principal Distribution Amount for such
Distribution Date), (I) the Class Certificate Balance of the Class B-2
Certificates (after taking into account the distribution of the Class B-2
Principal Distribution Amount for such Distribution Date) and (J) the Class
Certificate Balance of the Class B-3 Certificates immediately prior to such
Distribution Date over (ii) the lesser of (A) 91.10% of the aggregate Stated
Principal Balance of the Mortgage Loans for such Distribution Date and (B) the
excess, if any, of the aggregate Stated Principal Balance of the Mortgage Loans
for such Distribution Date over $5,714,233.

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

            Class IO Interest: As specified in the Preliminary Statement.

            Class IO Shortfalls: As defined in Section 8.13. For the avoidance
of doubt, the Class IO Shortfall for any Distribution Date shall equal the
amount payable to the Class X Certificates in respect of amounts due to the Swap
Provider on such Distribution Date (other than Defaulted Swap Termination
Payments) in excess of the amount payable on the Class X Interest (prior to any
reduction for Basis Risk Payments or Swap Termination Payments) on such
Distribution Date, all as further provided in Section 8.13.

             Class LT-R Interest: The residual interest in the Lower-Tier REMIC
as described in the Preliminary Statement and the related footnote thereto.

            Class M Certificates: The Class M-1, Class M-2, Class M-3, Class
M-4, Class M-5 and Class M-6 Certificates.

            Class M-1 Enhancement Percentage: With respect to any Distribution
Date, the percentage obtained by dividing (x) the sum of (i) the aggregate Class
Certificate Balances of the Class M and Class B Certificates (other than the
Class M-1 Certificates) and (ii) the Subordinated Amount, in each case after
taking into account the distributions of the related Principal Distribution
Amount and any principal payments on those Classes of Certificates from the Swap
Account on that Distribution Date, by (y) the aggregate Stated Principal Balance
of the Mortgage Loans for that Distribution Date.

            Class M-1 Certificates: All Certificates bearing the class
designation of "Class M-1".

            Class M-1 Principal Distribution Amount: With respect to any
Distribution Date, the excess of (i) the sum of (A) the aggregate Class
Certificate Balances of the Class A Certificates (after taking into account the
distribution of the Class A Principal Distribution Amount for such Distribution
Date), and (B) the Class Certificate Balance of the Class M-1 Certificates
immediately prior to such Distribution Date over (ii) the lesser of (A) 61.20%
of the aggregate Stated Principal Balance of the Mortgage Loans for such
Distribution Date and (B) the excess, if any, of the aggregate Stated Principal
Balance of the Mortgage Loans for such Distribution Date over $5,714,233.

            Class M-2 Certificates: All Certificates bearing the class
designation of "Class M-2".

            Class M-2 Principal Distribution Amount: With respect to any
Distribution Date, the excess of (i) the sum of (A) the aggregate Class
Certificate Balances of the Class A Certificates (after taking into account the
distribution of the Class A Principal Distribution Amount for such Distribution
Date), (B) the Class Certificate Balance of the Class M-1 Certificates (after
taking into account the distribution of the Class M-1 Principal Distribution
Amount for such Distribution Date) and (C) the Class Certificate Balance of the
Class M-2 Certificates immediately prior to such Distribution Date over (ii) the
lesser of (A) 68.10% of the aggregate Stated Principal Balance of the Mortgage
Loans for such Distribution Date and (B) the excess, if any, of the aggregate
Stated Principal Balance of the Mortgage Loans for such Distribution Date over
$5,714,233.

            Class M-3 Certificates: All Certificates bearing the class
designation of "Class M-3".

            Class M-3 Principal Distribution Amount: With respect to any
Distribution Date, the excess of (i) the sum of (A) the aggregate Class
Certificate Balances of the Class A Certificates (after taking into account the
distribution of the Class A Principal Distribution Amount for such Distribution
Date), (B) the Class Certificate Balance of the Class M-1 Certificates (after
taking into account the distribution of the Class M-1 Principal Distribution
Amount for such Distribution Date), (C) the Class Certificate Balance of the
Class M-2 Certificates (after taking into account the distribution of the Class
M-2 Principal Distribution Amount for such Distribution Date) and (D) the Class
Certificate Balance of the Class M-3 Certificates immediately prior to such
Distribution Date over (ii) the lesser of (A) 73.20% of the aggregate Stated
Principal Balance of the Mortgage Loans for such Distribution Date and (B) the
excess, if any, of the aggregate Stated Principal Balance of the Mortgage Loans
for such Distribution Date over $5,714,233.

            Class M-4 Certificates: All Certificates bearing the class
designation of "Class M-4".

            Class M-4 Principal Distribution Amount: With respect to any
Distribution Date, the excess of (i) the sum of (A) the aggregate Class
Certificate Balances of the Class A Certificates (after taking into account the
distribution of the Class A Principal Distribution Amount for such Distribution
Date), (B) the Class Certificate Balance of the Class M-1 Certificates (after
taking into account the distribution of the Class M-1 Principal Distribution
Amount for such Distribution Date), (C) the Class Certificate Balance of the
Class M-2 Certificates (after taking into account the distribution of the Class
M-2 Principal Distribution Amount for such Distribution Date), (D) the Class
Certificate Balance of the Class M-3 Certificates (after taking into account the
distribution of the Class M-3 Principal Distribution Amount for such
Distribution Date), and (E) the Class Certificate Balance of the Class M-4
Certificates immediately prior to such Distribution Date over (ii) the lesser of
(A) 76.60% of the aggregate Stated Principal Balance of the Mortgage Loans for
such Distribution Date and (B) the excess, if any, of the aggregate Stated
Principal Balance of the Mortgage Loans for such Distribution Date over
$5,714,233.

            Class M-5 Certificates: All Certificates bearing the class
designation of "Class M-5".

            Class M-5 Principal Distribution Amount: With respect to any
Distribution Date, the excess of (i) the sum of (A) the aggregate Class
Certificate Balances of the Class A Certificates (after taking into account the
distribution of the Class A Principal Distribution Amount for such Distribution
Date), (B) the Class Certificate Balance of the Class M-1 Certificates (after
taking into account the distribution of the Class M-1 Principal Distribution
Amount for such Distribution Date), (C) the Class Certificate Balance of the
Class M-2 Certificates (after taking into account the distribution of the Class
M-2 Principal Distribution Amount for such Distribution Date), (D) the Class
Certificate Balance of the Class M-3 Certificates (after taking into account the
distribution of the Class M-3 Principal Distribution Amount for such
Distribution Date), (E) the Class Certificate Balance of the Class M-4
Certificates (after taking into account the distribution of the Class M-4
Principal Distribution Amount for such Distribution Date) and (F) the Class
Certificate Balance of the Class M-5 Certificates immediately prior to such
Distribution Date over (ii) the lesser of (A) 80.00% of the aggregate Stated
Principal Balance of the Mortgage Loans for such Distribution Date and (B) the
excess, if any, of the aggregate Stated Principal Balance of the Mortgage Loans
for such Distribution Date over $5,714,233.

             Class M-6 Certificates: All Certificates bearing the class
designation of "Class M-6".

            Class M-6 Principal Distribution Amount: With respect to any
Distribution Date, the excess of (i) the sum of (A) the aggregate Class
Certificate Balances of the Class A Certificates (after taking into account the
distribution of the Class A Principal Distribution Amount for such Distribution
Date), (B) the Class Certificate Balance of the Class M-1 Certificates (after
taking into account the distribution of the Class M-1 Principal Distribution
Amount for such Distribution Date), (C) the Class Certificate Balance of the
Class M-2 Certificates (after taking into account the distribution of the Class
M-2 Principal Distribution Amount for such Distribution Date), (D) the Class
Certificate Balance of the Class M-3 Certificates (after taking into account the
distribution of the Class M-3 Principal Distribution Amount for such
Distribution Date), (E) the Class Certificate Balance of the Class M-4
Certificates (after taking into account the distribution of the Class M-4
Principal Distribution Amount for such Distribution Date), (F) the Class
Certificate Balance of the Class M-5 Certificates (after taking into account the
distribution of the Class M-5 Principal Distribution Amount for such
Distribution Date) and (G) the Class Certificate Balance of the Class M-6
Certificates immediately prior to such Distribution Date over (ii) the lesser of
(A) 83.00% of the aggregate Stated Principal Balance of the Mortgage Loans for
such Distribution Date and (B) the excess, if any, of the aggregate Stated
Principal Balance of the Mortgage Loans for such Distribution Date over
$5,714,233.

            Class P Certificates: All Certificates bearing the class designation
of "Class P".

             Class PT1-R Interest: The residual interest in Pooling-Tier REMIC-1
as described in the Preliminary Statement and the related footnote thereto.

            Class PT2-R Interest: The residual interest in Pooling-Tier REMIC-2
as described in the Preliminary Statement and the related footnote thereto.

            Class R Certificates: All Certificates bearing the class designation
of "Class R".

            Class UT-R Interest: The residual interest in the Upper-Tier REMIC
as described in the Preliminary Statement and the related footnote thereto.

            Class X Certificates: All Certificates bearing the class designation
of "Class X".

            Class X Distributable Amount: On any Distribution Date, the sum of
(i) as a distribution in respect of interest, the amount of interest that has
accrued on the Class X Interest and not applied as an Extra Principal
Distribution Amount on such Distribution Date, plus any such accrued interest
remaining undistributed from prior Distribution Dates, plus, without
duplication, (ii) as a distribution in respect of principal, any portion of the
principal balance of the Class X Interest which is distributable as a
Subordination Reduction Amount, minus (iii) any amounts paid from the Excess
Reserve Fund Account to pay any Basis Risk CarryForward Amount or any Swap
Termination Payment.

            Class X Interest: The Upper-Tier Regular Interest represented by the
Class X Certificates as specified and described in the Preliminary Statement and
the related footnote thereto.

            Closing Date: January 26, 2006.

            Closing Date Deposit Amount: $1,256.37 (all of which is allocable to
principal) deposited by the Depositor into the Distribution Account on the
Closing Date. $1,151.25 of the Closing Date Deposit Amount shall be attributable
to the Group I Mortgage Loans and $105.12 of the Closing Date Deposit Amount
shall be attributable to the Group II Mortgage Loans.

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

            Collection Account: As defined in Section 3.10(a).

            Combined Loan to Value Ratio or CLTV: As of any date and as to any
Second Lien Mortgage Loan, the ratio, expressed as a percentage, of the (a) sum
of (i) the outstanding principal balance of the Second Lien Mortgage Loan and
(ii) the outstanding principal balance as of such date of any mortgage loan or
mortgage loans that are senior or equal in priority to the Second Lien Mortgage
Loan and which are secured by the same Mortgaged Property to (b) the Appraised
Value as determined pursuant to the Underwriting Guidelines of the related
Mortgaged Property as of the origination of the Second Lien Mortgage Loan.

            Commission: The United States Securities and Exchange Commission.

            Compensating Interest: For any Distribution Date, the lesser of (a)
the amount by which such Prepayment Interest Shortfall exceeds all Prepayment
Interest Excesses for such Distribution Date on the Mortgage Loans and (b) the
amount of the aggregate Servicing Fee paid to or retained by the Servicer for
such Distribution Date.

            Condemnation Proceeds: All awards or settlements in respect of a
Mortgaged Property, whether permanent or temporary, partial or entire, by
exercise of the power of eminent domain or condemnation.

            Convertible Mortgage Loan: Any individual Adjustable Rate Mortgage
Loan which contains a provision whereby the Mortgagor is permitted to convert
the Adjustable Rate Mortgage Loan to a Fixed Rate Mortgage Loan in accordance
with the terms of the related Mortgage Note.

            Corporate Trust Office: The designated office of the Trustee in the
State of Maryland at which at any particular time its corporate trust business
with respect to this Agreement is administered, which office at the date of the
execution of this Agreement is located (i) for purposes of Certificate
transfers, at Wells Fargo Center, Sixth Street and Marquette Avenue,
Minneapolis, Minnesota 55479 and (ii) for all other purposes, at 9062 Old
Annapolis Road, Columbia, Maryland 21045, Attention: Client Manager--MSAC
2006-WMC1, facsimile no. (410) 715- 2380, and which is the address to which
notices to and correspondence with the Trustee should be directed.

            Corresponding Actual Crossover Distribution Date: For each
Pooling-Tier REMIC-2 IO Interest, the related Corresponding Scheduled Crossover
Distribution Date, unless on such date two times the aggregate Pooling-Tier
REMIC-2 IO Notional Balance of each other Pooling-Tier REMIC-2 IO Interest then
outstanding is less than the scheduled swap notional amount (taking into account
the use of the multiplier) of the Interest Rate Swap Agreement applicable for
such Distribution Date, in which case the Corresponding Actual Crossover
Distribution Date for such Pooling-Tier REMIC-2 IO Interest shall be the first
Distribution Date thereafter on which two times the aggregate of the
Pooling-Tier REMIC-2 IO Notional Balance of each other Pooling-Tier REMIC-2 IO
Interest then outstanding is greater than or equal to the scheduled swap
notional amount (taking into account the use of the multiplier) of the Interest
Rate Swap Agreement.

            Corresponding Class: The class of interests in the Lower-Tier REMIC
or Upper-Tier REMIC that corresponds to the class of interests in the other such
REMIC or to a Class of Certificates in the manner set out below:

                                     Corresponding
  Corresponding Lower-Tier Class     Upper-Tier Regular     Corresponding Class of
          Designation                    Interest               Certificates
-------------------------------- ---------------------- ------------------------
       Class LT-A-1                   Class A-1                  Class A-1
       Class LT-A-2a                  Class A-2a                 Class A-2a
       Class LT-A-2b                  Class A-2b                 Class A-2b
       Class LT-A-2c                  Class A-2c                 Class A-2c
       Class LT-M-1                   Class M-1                   Class M-1
       Class LT-M-2                   Class M-2                  Class M-2
       Class LT-M-3                   Class M-3                  Class M-3
       Class LT-M-4                   Class M-4                  Class M-4
       Class LT-M-5                   Class M-5                  Class M-5
       Class LT-M-6                   Class M-6                  Class M-6
       Class LT-B-1                   Class B-1                  Class B-1
       Class LT-B-2                   Class B-2                   Class B-2
       Class LT-B-3                   Class B-3                  Class B-3
              N/A                     Class X                    Class X

            Corresponding Pooling-Tier REMIC-1 Regular Interest: As described in
the Preliminary Statement.

            Corresponding Pooling-Tier REMIC-2 IO Interest: As described in the
Preliminary Statement.

            Corresponding Scheduled Crossover Distribution Date: The
Distribution Date in the month and year specified in the Preliminary Statement
corresponding to a Pooling-Tier REMIC-2 IO Interest.

            Cumulative Loss Percentage: With respect to any Distribution Date,
the percentage equivalent of a fraction, the numerator of which is the aggregate
amount of Realized Losses incurred from the Cut-off Date through the last day of
the related Prepayment Period and the denominator of which is the Cut-off Date
Pool Principal Balance of the Mortgage Loans.

            Cumulative Loss Trigger Event: With respect to any Distribution
Date, a Cumulative Loss Trigger Event exists if the quotient (expressed as a
percentage) of (x) the aggregate amount of Realized Losses incurred since the
Cut-off Date through the last day of the related Prepayment Period divided by
(y) the Cut-off Date Pool Principal Balance exceeds the applicable cumulative
loss percentages set forth below with respect to such Distribution Date:

  Distribution Date Occurring In             Cumulative Loss Percentage

February 2008 through January 2009    1.500% for the first month, plus an
                                     additional 1/12th of 1.850% for each month
                                     thereafter (e.g., 2.425% in August 2008)

February 2009 through January 2010    3.350% for the first month, plus an
                                      additional 1/12th of 1.850% for each month
                                     thereafter (e.g., 4.275% in August 2009)

February 2010 through January 2011    5.200% for the first month, plus an
                                      additional 1/12th of 1.500% for each month
                                     thereafter (e.g., 5.950% in August 2010)

February 2011 through January 2012    6.700% for the first month, plus an
                                     additional 1/12th of 0.750% for each month
                                     thereafter (e.g., 7.075% in August 2011)

February 2012 and thereafter          7.450%

            Custodial   File:   With   respect to each   Mortgage   Loan,   the file
retained   by   the   Trustee   consisting   of   items (i) -   (viii) as   listed   on
Exhibit K hereto.

            Cut-off Date: January 1, 2006.

            Cut-off Date Pool Principal Balance: The aggregate Stated Principal
Balances of all Mortgage Loans as of the Cut-off Date plus the portion of the
Closing Date Deposit Amount allocable to principal.

            Cut-off Date Principal Balance: As to any Mortgage Loan, the Stated
Principal Balance thereof as of the close of business on the Cut-off Date (after
giving effect to payments of principal due on that date, whether or not
received).

            Data Tape Information: The information provided by the Originators
as of the Cut-off Date to the Depositor or the Sponsor setting forth the
following information with respect to each Mortgage Loan: (1) the Mortgagor's
name; (2) as to each Mortgage Loan, the Scheduled Principal Balance as of the
Cut-off Date; (3) the Mortgage Rate Cap; (4) the Index; (5) a code indicating
whether the Mortgaged Property is owner occupied; (6) the type of Mortgaged
Property; (7) the first date on which the Scheduled Payment was due on the
Mortgage Loan and, if such date is not consistent with the Due Date currently in
effect, such Due Date; (8) the "paid through date" based on payments received
from the related Mortgagor; (9) the original principal amount of the Mortgage
Loan; (10) with respect to Adjustable Rate Mortgage Loans, the Maximum Mortgage
Rate; (11) the type of Mortgage Loan (i.e., Fixed Rate or Adjustable Rate
Mortgage Loan, First Lien Mortgage Loan or Second Lien Mortgage Loan); (12) a
code indicating the purpose of the loan (i.e., purchase, rate and term
refinance, equity take out refinance); (13) a code indicating the documentation
style (i.e., full, asset verification, income verification and no
documentation); (14) the credit risk score (FICO score); (15) the loan credit
grade classification (as described in the underwriting guidelines); (16) with
respect to each Adjustable Rate Mortgage Loan, the Minimum Mortgage Rate; (17)
the Mortgage Rate at origination; (18) with respect to each Adjustable Rate
Mortgage Loan, the first Adjustment Date immediately following the Cut-off Date;
(19) the value of the Mortgaged Property; (20) a code indicating the type of
Prepayment Charges applicable to such Mortgage Loan (including any prepayment
penalty term), if any; (21) with respect to each Adjustable Rate Mortgage Loan,
the Periodic Mortgage Rate Cap; (22) with respect to each First Lien Mortgage
Loan, the LTV at origination, and with respect to each Second Lien Mortgage
Loan, the CLTV at origination; and (23) if such Mortgage Loan is covered by a
primary mortgage insurance policy or a lender-paid primary mortgage insurance
policy, the primary mortgage insurance rate. With respect to the Mortgage Loans
in the aggregate, the Data Tape Information shall set forth the following
information, as of the Cut-off Date: (1) the number of Mortgage Loans; (2) the
current aggregate outstanding principal balance of the Mortgage Loans; (3) the
weighted average Mortgage Rate of the Mortgage Loans; and (4) the weighted
average maturity of the Mortgage Loans.

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

            Defaulted Swap Termination Payment: Any Swap Termination Payment
required to be paid by the Trust to the Swap Provider pursuant to the Interest
Rate Swap Agreement as a result of an Event of Default (as defined in the
Interest Rate Swap Agreement) with respect to which the Swap Provider is the
defaulting party or a Termination Event (as defined in the Interest Rate Swap
Agreement) (other than Illegality or a Tax Event that is not a Tax Event Upon
Merger (each as defined in the Interest Rate Swap Agreement )) with respect to
which the Swap Provider is the sole Affected Party (as defined in the Interest
Rate Swap Agreement).

            Deficient Valuation: With respect to any Mortgage Loan, a valuation
of the related Mortgaged Property by a court of competent jurisdiction in an
amount less than the then outstanding principal balance of the Mortgage Loan,
which valuation results from a proceeding initiated under the United States
Bankruptcy Code.

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

            Delay Certificates: As specified in the Preliminary Statement.

            Deleted Mortgage Loan: As defined in Section 2.03.

            Delinquency Trigger Event: With respect to any Distribution Date, a
Delinquency Trigger Event exists if the quotient (expressed as a percentage) of
(x) the rolling three month average of the aggregate Stated Principal Balance of
60+ Day Delinquent Mortgage Loans (including Mortgage Loans in foreclosure and
Mortgage Loans related to REO Property) and (y) (1) until the aggregate Class
Certificate Balance of the Class A Certificates have been reduced to zero, the
aggregate Stated Principal Balance of the Mortgage Loans for such Distribution
Date equals or exceeds 34.45% of the prior period's Senior Enhancement
Percentage and (2) after the aggregate Class Certificate Balance of the Class A
Certificates have been reduced to zero, the aggregate Stated Principal Balance
of the Mortgage Loans for such Distribution Date equals or exceeds 41.20% of the
prior period's Class M Enhancement Percentage.

            Denomination: With respect to each Certificate, the amount set forth
on the face thereof as the "Initial Certificate Balance of this Certificate" or
the Percentage Interest appearing on the face thereof.

            Depositor: Morgan Stanley ABS Capital I Inc., a Delaware
corporation, and its successors in interest.

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

            Depository Institution: Any depository institution or trust company,
including the Trustee, that (a) is incorporated under the laws of the United
States of America or any State thereof, (b) is subject to supervision and
examination by federal or state banking authorities and (c) has outstanding
unsecured commercial paper or other short-term unsecured debt obligations that
are rated "P-1" by Moody's, "F1+" by Fitch and "A-1" by Standard & Poor's (to
the extent they are Rating Agencies hereunder).

            Depository Participant: A broker, dealer, bank or other financial
institution or other Person for whom from time to time a Depository effects
book-entry transfers and pledges of securities deposited with the Depository.

            Determination Date: With respect to each Distribution Date, the 18th
day (or if such day is not a Business Day, the immediately preceding Business
Day) in the calendar month in which such Distribution Date occurs.

            Distribution Account: The separate Eligible Account created and
maintained by the Trustee pursuant to Section 3.07(d) in the name of the Trustee
for the benefit of the Certificateholders and designated "Wells Fargo Bank,
National Association in trust for registered Holders of Morgan Stanley ABS
Capital I Inc. Trust 2006-WMC1 Mortgage Pass-Through Certificates, Series
2006-WMC1." Funds in the Distribution Account shall be held in trust for the
Certificateholders for the uses and purposes set forth in this Agreement.

             Distribution Account Deposit Date: As to any Distribution Date,
12:00 noon New York City time on the second Business Day immediately preceding
such Distribution Date.

            Distribution Date: The 25th day of each calendar month, or if such
day is not a Business Day, the next succeeding Business Day, commencing in
February 2006.

            Document Certification and Exception Report: The report attached to
Exhibit F hereto.

            Due Date: The day of the month on which the Scheduled Payment is due
on a Mortgage Loan, exclusive of any days of grace.

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

            Eligible Account: Either (i) an account maintained with a federal or
state-chartered depository institution or trust company that complies with the
definition of Eligible Institution, (ii) an account maintained with the
corporate trust department of a federal depository institution or
state-chartered depository institution subject to regulations regarding
fiduciary funds on deposit similar to Title 12 of the U.S. Code of Federal
Regulation Section 9.10(b), which, in either case, has corporate trust powers
and is acting in its fiduciary capacity or (iii) any other account acceptable to
each Rating Agency. Eligible Accounts may bear interest, and may include, if
otherwise qualified under this definition, accounts maintained with the Trustee.
Each Eligible Account shall be a separate account.

            Eligible Institution: A federal or state-chartered depository
institution or trust company the commercial paper, short-term debt obligations,
or other short-term deposits of which are rated "A-1+" by Standard & Poor's if
the amounts on deposit are to be held in the account for no more than 365 days
(or at least "A-2" by Standard & Poor's if the amounts on deposit are to be held
in the account for no more than 30 days), or the long-term unsecured debt
obligations of which are rated at least "AA-" by Standard & Poor's if the
amounts on deposit are to be held in the account for no more than 365 days, and
the commercial paper, short-term debt obligations or other short-term deposits
of which are rated at least "P-1" by Moody's and "F1+" by Fitch (or a comparable
rating if another Rating Agency is specified by the Depositor by written notice
to the Servicer and the Trustee) (in each case, to the extent they are
designated as Rating Agencies in the Preliminary Statement).

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

            ERISA-Qualifying Underwriting: A best efforts or firm commitment
underwriting or private placement that meets the requirements of Prohibited
Transaction Exemption ("PTE") 2002-41, 67 Fed. Reg. 54487 (2002) (or any
successor thereto), or any substantially similar administrative exemption
granted by the U.S. Department of Labor.

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

            Escrow Account: The Eligible Account or Accounts established and
maintained pursuant to Section 3.09(b).

            Escrow Payments: As defined in Section 3.09(b).

            Event of Default: As defined in Section 7.01.

            Excess Reserve Fund Account: The separate Eligible Account created
and maintained by the Trustee pursuant to Sections 3.07(b) and 3.07(c) in the
name of the Trustee for the benefit of the Regular Certificateholders and
designated "Wells Fargo Bank, National Association in trust for registered
Holders of Morgan Stanley ABS Capital I Inc. Trust 2006-WMC1, Mortgage
Pass-Through Certificates, Series 2006-WMC1." Funds in the Excess Reserve Fund
Account shall be held in trust for the Regular Certificateholders for the uses
and purposes set forth in this Agreement. Amounts on deposit in the Excess
Reserve Fund Account shall not be invested.

            Excess Subordinated Amount: With respect to any Distribution Date,
the excess, if any, of (a) the Subordinated Amount on such Distribution Date
over (b) the Specified Subordinated Amount for such Distribution Date.

            Exchange Act: The Securities Exchange Act of 1934, as amended.

            Expense Fee Rate: As to each Mortgage Loan, a per-annum rate equal
to the sum of the Servicing Fee Rate, the Trustee Fee Rate and any lender-paid
primary mortgage insurance fee rate, if applicable.

            Expense Fees: As to each Mortgage Loan, the sum of the Servicing
Fee, the Trustee Fee and any lender-paid primary mortgage insurance fee, if
applicable.

            Extra Principal Distribution Amount: As of any Distribution Date,
the lesser of (x) the related Total Monthly Excess Spread for such Distribution
Date and (y) the related Subordination Deficiency for such Distribution Date.

            Fannie Mae: The Federal National Mortgage Association, or any
successor thereto.

            Fannie Mae Guides: The Fannie Mae Sellers' Guide and the Fannie Mae
Servicers' Guide and all amendments or additions thereto.

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

            Final Recovery Determination: With respect to any defaulted Mortgage
Loan or any REO Property (other than any Mortgage Loan or REO Property purchased
by the Responsible Party or the Depositor as contemplated by this Agreement), a
determination made by the Servicer that all Insurance Proceeds, Condemnation
Proceeds, Liquidation Proceeds and other payments or recoveries which the
Servicer, in its reasonable good faith judgment, expects to be finally
recoverable in respect thereof have been so recovered. The Servicer shall
maintain records, prepared by a Servicing Officer, of each Final Recovery
Determination made thereby.

            Final Scheduled Distribution Date: The Final Scheduled Distribution
Date for each Class of Certificates is the Distribution Date in December 2035.

            First Lien Mortgage Loan: A Mortgage Loan secured by a first lien
Mortgage on the related Mortgaged Property.

            Fitch: Fitch, Inc., and its successors in interest. If Fitch is
designated as a Rating Agency in the Preliminary Statement, for purposes of
Section 10.05(e) the address for notices to Fitch shall be Fitch, Inc., One
State Street Plaza, New York, New York 10004, Attention: MBS Monitoring - Morgan
Stanley ABS Capital I Inc. Trust 2006-WMC1, or such other address as Fitch may
hereafter furnish to the Depositor, the Trustee and the Servicer.

            Fixed Rate Mortgage Loan: A fixed rate Mortgage Loan.

            Freddie Mac: The Federal Home Loan Mortgage Corporation, a corporate
instrumentality of the United States created and existing under Title III of the
Emergency Home Finance Act of 1970, as amended, or any successor thereto.

            Gross Margin: With respect to each Adjustable Rate Mortgage Loan,
the fixed percentage amount set forth in the related Mortgage Note to be added
to the applicable Index to determine the Mortgage Rate.

            Group I Class A Certificates: The Class A-1 Certificates.

            Group I Mortgage Loans: The Mortgage Loans identified on the
Mortgage Loan Schedule as Group I Mortgage Loans.

            Group II Class A Certificates: The Class A-2a Certificates, the
Class A-2b Certificates and the Class A-2c Certificates, collectively.

            Group II Mortgage Loans: The Mortgage Loans identified on the
Mortgage Loan Schedule as Group II Mortgage Loans.

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

            Insurance Policy: With respect to any Mortgage Loan included in the
Trust Fund, any insurance policy, including all riders and endorsements thereto
in effect, including any replacement policy or policies for any Insurance
Policies.

            Insurance Proceeds: With respect to each Mortgage Loan, proceeds of
insurance policies insuring the Mortgage Loan or the related Mortgaged Property.

            Interest Accrual Period: With respect to each Class of Non-Delay
Certificates and the Corresponding Class of Lower-Tier Regular Interests and any
Distribution Date, the period commencing on the Distribution Date occurring in
the month preceding the month in which the current Distribution Date occurs and
ending on the day immediately preceding the current Distribution Date (or, in
the case of the first Distribution Date, the period from and including the
Closing Date to but excluding such first Distribution Date). For purposes of
computing interest accruals on each Class of