GSR MORTGAGE LOAN TRUST 2005-4F MORTGAGE PASS-THROUGH CERTIFICATES SERIES 2005-4F MASTER SERVICING and TRUST AGREEMENT among

EXECUTION

GSR MORTGAGE LOAN TRUST 2005-4F

MORTGAGE PASS-THROUGH CERTIFICATES

SERIES 2005-4F

MASTER SERVICING

and

TRUST AGREEMENT

among

GS MORTGAGE SECURITIES CORP.,

as Depositor

WACHOVIA BANK, NATIONAL ASSOCIATION,

as Trustee

JPMORGAN CHASE BANK, NATIONAL ASSOCIATION

as Securities Administrator and Custodian

and

JPMORGAN CHASE BANK, NATIONAL ASSOCIATION,

as Master Servicer

Dated as of

April 1, 2005

TABLE OF CONTENTS

Page

ARTICLE I DEFINITIONS

Section 1.01

Standard Terms.

Section 1.02

Defined Terms.

ARTICLE II FORMATION OF TRUST; CONVEYANCE OF MORTGAGE LOANS

Section 2.01

Conveyance to the Trustee.

Section 2.02

Acceptance by the Trustee.

Section 2.03

REMIC Elections and REMIC Interests Designations.

ARTICLE III REMITTING TO CERTIFICATEHOLDERS

Section 3.01

Distributions to Certificateholders.

Section 3.02

Allocation of Realized Losses and Shortfalls.

ARTICLE IV THE SECURITIES

Section 4.01

The Certificates.

Section 4.02

Denominations.

Section 4.03

Redemption of Certificates.

Section 4.04

Securities Laws Restrictions.

ARTICLE V MISCELLANEOUS PROVISIONS

Section 5.01

Request for Opinions.

Section 5.02

Schedules and Exhibits.

Section 5.03

Governing Law.

Section 5.04

Counterparts.

Section 5.05

Notices.

SCHEDULES AND EXHIBITS

Schedule I

Mortgage Loans

Schedule II

Scheduled Amounts

Exhibit A

Forms of Certificates

MASTER SERVICING AND TRUST AGREEMENT

THIS MASTER SERVICING AND TRUST AGREEMENT (this “Trust Agreement”), dated as of April 1, 2005, is hereby executed by and among GS MORTGAGE SECURITIES CORP., a Delaware corporation (the “Depositor”), WACHOVIA BANK, NATIONAL ASSOCIATION, as trustee (the “Trustee”) under this Trust Agreement, JPMORGAN CHASE BANK, NATIONAL ASSOCIATION, as securities administrator (in such capacity, the “Securities Administrator”) and custodian (in such capacity, the “Custodian”), and JPMORGAN CHASE BANK, NATIONAL ASSOCIATION, as master servicer (the “Master Servicer”). All of the provisions of the Standard Terms to Master Servicing and Trust Agreement (April 2005 Edition) (the “Standard Terms”), unless otherwise specified herein, are hereby incorporated herein by reference and shall be a part of this Trust Agreement as if set forth herein in full.

PRELIMINARY STATEMENT

The Board of Directors of the Depositor has duly authorized the formation of GSR Mortgage Loan Trust 2005-4F as a trust (the “Trust”) to issue a series of securities with an aggregate initial outstanding principal balance of $509,881,667.93 to be known as the Mortgage Pass-Through Certificates, Series 2005-4F (the “Certificates”). The Trust is formed by this Trust Agreement. The Certificates in the aggregate evidence the entire beneficial ownership in the Trust. The Certificates consist of the Classes set forth herein.

Pursuant to Section 12.01 of the Standard Terms, the Securities Administrator, on behalf of the Trustee, will make an election to treat all of the assets of the Trust as two real estate mortgage investment conduits (each, a “REMIC” and, individually, “REMIC I-1” and “REMIC I-2”) for federal income tax purposes. The “startup day” of each REMIC for purposes of the REMIC Provisions is the Closing Date.

For purposes of naming the REMIC Interests and the Certificates, the first character (“1,” “2,” “3,” “4,” “5” or “6”), if any, refers to the Collateral Group; the second character (“A” or “B”), if any, refers to the status of the interest (“A” for senior or “B” for subordinate) and the final character (“1,” “2,” “3,” “4,” “5,” “6,” “7,” “8,” “9,” “10,” “11,” “12,” “13,” “P,” “R” or “X”) refers to the specific Class.

NOW, THEREFORE, in consideration of the mutual promises, covenants, representations and warranties hereinafter set forth, the Depositor, the Trustee, the Securities Administrator, the Custodian and the Master Servicer agree as follows:

ARTICLE I

DEFINITIONS

Section 1.01

Standard Terms.

The Depositor, the Trustee, the Securities Administrator, the Custodian and the Master Servicer acknowledge that the Standard Terms prescribe certain obligations of each such entity with respect to the Certificates. The Depositor, the Trustee, the Securities Administrator, the Custodian and the Master Servicer agree to observe and perform such prescribed duties, responsibilities and obligations, pursuant to the terms and conditions thereof and of this Trust Agreement, and acknowledge that, except to the extent inconsistent with the provisions of this Trust Agreement, the Standard Terms are and shall be a part of this Trust Agreement to the same extent as if set forth herein in full.

Pursuant to Section 2.02(f) of the Standard Terms, the Depositor acknowledges the appointment of the Custodian and agrees to deliver, or cause to be delivered, to the Custodian all Mortgage Loan documents that are to be included in the Trustee Mortgage Loan File for each Mortgage Loan. The Depositor and the Custodian acknowledge that, pursuant to existing Custodial Agreements entered into between the Custodian and predecessors in interest of the Depositor, the Custodian previously acted as custodian for such predecessors in interest and that in connection with the formation of the Trust, the Depositor will assign each Custodial Agreement to the Trustee and cause a receipt to be issued in the name of the Trustee. LaSalle Bank National Association, as custodian under that certain custodial agreement dated as of April 1, 2004, between GSMC and LaSalle Bank National Association. and regarding certain Mortgage Loans, will deliver to the Trust a custody receipt representing that it possesses the requisite mortgage loan documents for such Mortgage Loans.

Section 1.02

Defined Terms.

Capitalized terms used but not defined herein shall have the respective meanings assigned to them in Section 1.01 of the Standard Terms or in the applicable Sale and Servicing Agreement. In the event of a conflict between the Standard Terms and the applicable Sale and Servicing Agreement, such Sale and Servicing Agreement shall govern. In the event of a conflict between the Standard Terms and this Trust Agreement, this Trust Agreement shall govern. In addition, the following provisions shall govern the defined terms set forth below for this Trust Agreement:

“ABN AMRO”: ABN AMRO Mortgage Group, Inc., or any successor in interest.

“Accrued Certificate Interest”: Interest to be distributed to each Class of Certificates on any Distribution Date consisting of the sum of (i) interest accrued during the related Interest Accrual Period at the applicable Certificate Rate for such Class of Certificates on the Certificate Balance (or Notional Amount) of such Class of Certificates immediately preceding such Distribution Date and (ii) accrued but unpaid Accrued Certificate Interest from prior Distribution Dates (on a cumulative basis, but without interest on such unpaid Accrued Certificate Interest).

“Aggregate Subordinate Percentage”: For any Certificate Group at any time, the sum of the Class Principal Balances of the Subordinate Certificates divided by the sum of the outstanding principal balances for all the Mortgage Loans in the related Collateral Groups (other than the Applicable Fractions thereof allocable to the Class A-P Certificates).

“Applicable Fraction”: For each Mortgage Loan and REMIC I-1, shall be calculated as follows:

For Collateral Group 1 and each Mortgage Loan in Loan Group I with a Net Rate greater than or equal to 4.50% per annum, but less than 5.00% per annum:

5.00% minus the Net Rate on such Mortgage Loan

0.50%;

For Collateral Group 2 and each Mortgage Loan in Loan Group I with a Net Rate greater than or equal to 4.50% per annum, but less than 5.00% per annum:

1 minus 5.00% minus the Net Rate on such Mortgage Loan

0.50%;

For Collateral Group 2 and each Mortgage Loan in Loan Group I with a Net Rate greater than or equal to 5.00% per annum, but less than 6.50% per annum:

6.50% minus the Net Rate on such Mortgage Loan

1.50%;

For Collateral Group 3 and each Mortgage Loan in Loan Group I with a Net Rate greater than or equal to 5.00% per annum, but less than 6.50% per annum:

1 minus 6.50% minus the Net Rate on such Mortgage Loan

1.50%;

For Collateral Group 4 and each Mortgage Loan in Loan Group II with a Net Rate greater than or equal to 5.50% per annum, but less than 6.00% per annum:

6.00% minus the Net Rate on such Mortgage Loan

0.50%;

For Collateral Group 5 and each Mortgage Loan in Loan Group II with a Net Rate greater than or equal to 5.50% per annum, but less than 6.00% per annum:

1 minus 6.00% minus the Net Rate on such Mortgage Loan

0.50%;

For Collateral Group 5 and each Mortgage Loan in Loan Group II with a Net Rate greater than or equal to 6.00% per annum, but less than 6.50% per annum:

6.50% minus the Net Rate on such Mortgage Loan

0.50%;

For Collateral Group 6 and each Mortgage Loan in Loan Group II with a Net Rate greater than or equal to 6.00% per annum, but less than 6.50% per annum:

1 minus 6.50% minus the Net Rate on such Mortgage Loan

0.50%;

For Collateral Group I-P and each Discount Loan in Loan Group I:

4.50% minus the Net Rate on such Discount Loan

4.50%;

For Collateral Group 1 and each Discount Loan in Loan Group I:

the Net Rate on such Discount Loan

4.50%;

For Collateral Group II-P and each Discount Loan in Loan Group II:

5.50% minus the Net Rate on such Discount Loan

5.50%;

For Collateral Group 4 and each Discount Loan in Loan Group II:

the Net Rate on such Discount Loan

5.50%;

For Collateral Group 3 and each Premium Loan in Loan Group I, 100%; and

For Collateral Group 6 and each Premium Loan in Loan Group II, 100%.

“A-P Principal Distribution Amount“: For Collateral Group P and any Distribution Date, the sum of:

(1)

the Applicable Fractions for the Class A-P Certificates of items (1), (2) and (3) of the definition of Principal Payment Amount;

(2)

the Applicable Fractions for the Class A-P Certificates of all Payoffs and Curtailments for each Mortgage Loan contributing to Collateral Group P that were received during the preceding calendar month (or, with respect to Mortgage Loans serviced by IndyMac, Payoffs and Curtailments for each Mortgage Loan contributing to Collateral Group P that were received during the period beginning on and including the second day of the preceding calendar month and ending on and including the first day of the then current calendar month); and

(3)

the Applicable Fractions for the Class A-P Certificates of the principal portion of the Liquidation Principal for each Liquidated Mortgage Loan contributing to Collateral Group P.

“Apportioned Principal Balance”: For any Class of Subordinate Certificates and any Distribution Date, the Class Principal Balance of such Class immediately prior to such Distribution Date multiplied by a fraction, the numerator of which is the related Group Subordinate Amount for such date and the denominator of which is the sum of the Group Subordinate Amounts for such date.

“Assignment Agreements”: (i) the Assignment, Assumption and Recognition Agreement dated as of April 1, 2005, by and among GSMC, the Company and ABN AMRO, as servicer, (ii) the Assignment, Assumption and Recognition Agreement dated as of April 1, 2005, by and among the Trustee, the Company and ABN AMRO, as seller and servicer, and as acknowledged by the Master Servicer, (iii) the Assignment, Assumption and Recognition Agreement dated as of April 1, 2005, by and among GSMC, the Company and CitiMortgage, as servicer, (iv) the Assignment, Assumption and Recognition Agreement dated as of April 1, 2005, by and among the Trustee, the Company and CitiMortgage, as seller and servicer, and as acknowledged by the Master Servicer, (v) the Assignment, Assumption and Recognition Agreement dated as of April 1, 2005, by and among GSMC, the Company and Countrywide, as seller, (vi) the Assignment, Assumption and Recognition Agreement dated as of April 1, 2005, by and among the Trustee, the Company and Countrywide Servicing, as servicer, (vii) the Assignment, Assumption and Recognition Agreement dated as of April 1, 2005, by and among the Trustee, the Company, Countrywide, as seller, and Countrywide Servicing, as servicer, and as acknowledged by the Master Servicer, (viii) the Assignment, Assumption and Recognition Agreement dated as of April 1, 2005, by and among GSMC, the Company and Fifth Third, as servicer, (ix) the Assignment, Assumption and Recognition Agreement dated as of April 1, 2005, by and among the Trustee, the Company and Fifth Third, as seller and servicer, and as acknowledged by the Master Servicer, (x) the Assignment, Assumption and Recognition Agreement dated as of April 1, 2005, by and among GSMC, the Company and IndyMac, as seller and servicer, (xi) the Assignment, Assumption and Recognition Agreement dated as of April 1, 2005, by and among the Trustee, the Company and IndyMac, as seller and servicer, and as acknowledged by the Master Servicer, (xii) the Assignment, Assumption and Recognition Agreement dated as of April 1, 2005, by and among GSMC, the Company and Nat City, as seller and servicer and (xiii) the Assignment, Assumption and Recognition Agreement dated as of April 1, 2005, by and among the Trustee, the Company and Nat City, as seller and servicer, and as acknowledged by the Master Servicer.

“Available Distribution Amount”: For any Distribution Date and any Collateral Group, the sum of the Applicable Fractions for each Mortgage Loan contributing to such Collateral Group of the following amounts:

(1)

the total amount of all cash received from or on behalf of the Mortgagors or advanced by the applicable Servicer (or the Master Servicer in the event the applicable Servicer fails to make such required advances, or by the Securities Administrator in the event the Master Servicer fails to make any such required advances, in each case pursuant to Section 3.05 of the Standard Terms) on the Mortgage Loans contributing to such Collateral Group and not previously distributed (including P&I Advances made by such Servicer (or by the Master Servicer in the event the applicable Servicer fails to make such required advances, or by the Securities Administrator in the event the Master Servicer fails to make any such required advances, in each case pursuant to Section 3.05 of the Standard Terms), Compensating Interest Payments made by such Servicer (or the Master Servicer) and proceeds of Mortgage Loans that are liquidated), except:

(a)

all Scheduled Payments collected but due on a Due Date after such Distribution Date;

(b)

all Curtailments received after the previous calendar month;

(c)

with respect to such Mortgage Loans other than Mortgage Loans serviced by IndyMac, all Payoffs received after the previous calendar month (together with each interest payment received with such Payoffs to the extent that it represents the payment of interest accrued on the Mortgage Loans contributing to such Collateral Group for the period after the previous calendar month) and, with respect to such Mortgage Loans serviced by IndyMac, all Payoffs received after the first day of the current calendar month (together with each interest payment received with such Payoffs to the extent that it represents the payment of interest accrued on the Mortgage Loans contributing to such Collateral Group for the period after the first day of the current calendar month);

(d)

Liquidation Proceeds, Condemnation Proceeds and Insurance Proceeds received on the Mortgage Loans contributing to such Collateral Group after the previous calendar month;

(e)

all amounts in the Certificate Account from Mortgage Loans contributing to such Collateral Group that are then due and payable to the applicable Servicer under the related Sale and Servicing Agreement;

(f)

the Servicing Fee and the Master Servicing Fee for each Mortgage Loan in such Group, net of any amounts payable as compensating interest by the applicable Servicer on that Distribution Date;

(g)

all related indemnification amounts and other amounts reimbursable on such Distribution Date to the Securities Administrator or the Trustee or the Master Servicer;

(h)

all expenses of the Trust Fund paid after the immediately preceding Distribution Date;

(i)

any Fair Market Value Excess remaining after the optional termination of the Trust Fund pursuant to Section 4.03; and

(2)

the total amount of any cash received by the Securities Administrator or the applicable Servicer (or the Master Servicer) from the repurchase by the applicable Loan Seller of any Mortgage Loans contributing to such Collateral Group as a result of defective documentation or breach of representations and warranties (provided that the obligation to repurchase arose before the related Due Date); provided further that the Available Distribution Amount for REMIC I-2 shall be the amounts distributed by REMIC I-1.

provided that interest with respect to any Mortgage Loan that relates to two Collateral Groups will be included in the Available Distribution Amount for each related Collateral Group as follows: first, to the Collateral Group with the lower Effective Net Rate, interest to the extent accrued on the Applicable Fraction of the principal of such Mortgage Loan at the Effective Net Rate for such Collateral Group; and second, to the other Collateral Group related to such Mortgage Loan.

“B Average Rate”: For each Distribution Date, an annual rate equal to the weighted average of the Designated Rates applicable to each Collateral Group, weighted on the basis of the Group Subordinate Amounts for the Collateral Groups.

“Book-Entry Certificates”: The Senior Certificates and the Senior Subordinate Certificates.

“Certificate Balance”: As to any Class of Certificates (other than any Interest Only Certificate) or Interests as of the close of business on each Distribution Date, the initial Certificate Balance thereof (as shown on the charts in Section 2.03) reduced by (i) all principal payments previously distributed to such Class and (ii) all Realized Losses previously allocated to such Class and increased in the case of any Class of Certificates for which the Certificate Balance thereof has been reduced by any Realized Loss, by the amount of any Subsequent Recoveries allocated to such Class in accordance with Section 3.02(e).

“Certificate Group”: The Group 1 Certificates, the Group 2 Certificates, the Group 3 Certificates, the Group 4 Certificates, the Group 5 Certificates and the Group 6 Certificates, as applicable.

“Certificate Rate”: With respect to each Class of Certificates on any Distribution Date, the percentage per annum or other entitlement to interest described in Section 2.03. With respect to each REMIC Interest on any Distribution Date, the Certificate Rates described in Section 2.03.

“Certificates”: The Class 1A-1, Class 2A-1, Class 3A-1, Class 4A-1, Class 4A-2, Class 4A-3, Class 4A-4, Class 4A-5, Class 4A-6, Class 4A-7, Class 4A-8, Class 4A-9, Class 4A-10, Class 4A-11, Class 4A-12, Class 4A-13, Class 5A-1, Class 5A-2, Class 6A-1, Class A-X, Class A-P, Class B1, Class B2, Class B3, Class B4, Class B5, Class B6, Class C, Class R1 and Class R2 Certificates.

“CitiMortgage”: CitiMortgage, Inc., or any successor in interest.

“Class”: Each Class of Certificates or REMIC Interests.

“Class A Certificates”: The Class 1A-1, Class 2A-1, Class 3A-1, Class 4A-1, Class 4A-2, Class 4A-3, Class 4A-4, Class 4A-5, Class 4A-6, Class 4A-7, Class 4A-8, Class 4A-9, Class 4A-10, Class 4A-11, Class 4A-12, Class 4A-13, Class 5A-1, Class 5A-2, Class 6A-1, Class A-X and Class A-P Certificates.

“Class A-P Certificates”: The Class A-P Certificates.

“Class A-X Notional Amount”: Initially will be $414,278.84 and for each Distribution Date after the Closing Date will equal to the sum of (a) the product of (1) a fraction, the numerator of which is the weighted average of the Net Rates of the Premium Loans in Loan Group I at the beginning of the related Due Period minus 6.50% and the denominator of which is 6.50% and (2) the total principal balance of the Premium Loans in Loan Group I as of the first day of the related Interest Accrual Period and (b) the product of (1) a fraction, the numerator of which is the weighted average of the Net Rates of the Premium Loans in Loan Group II at the beginning of the related Due Period minus 6.50% and the denominator of which is 6.50% and (2) the total principal balance of the Premium Loans in Loan Group II as of the first day of the related Interest Accrual Period.

“Class B Certificates”: The Class B1, Class B2, Class B3, Class B4, Class B5 and Class B6 Certificates.

“Closing Date”: April 29, 2005.

“Collateral Group”: Each of Collateral Group P, Collateral Group I-P, Collateral Group II-P, Collateral Group 1, Collateral Group 2, Collateral Group 3, Collateral Group 4, Collateral Group 5 and Collateral Group 6.

“Collateral Group P”: Collateral Group I-P and Collateral Group II-P.

“Collateral Group I-P”: The portions of Discount Loans in Subgroup I-P that have been stripped to an Effective Net Rate of 0.00%.

“Collateral Group II-P”: The portions of Discount Loans in Subgroup II-P that have been stripped to an Effective Net Rate of 0.00%.

“Collateral Group 1”: The Mortgage Loans in Subgroup I-P and Subgroup I-A or portions thereof that have been stripped to an Effective Net Rate of 4.50%.

“Collateral Group 2”: The Mortgage Loans in Subgroup I-A and Subgroup I-B or portions thereof that have been stripped to an Effective Net Rate of 5.00%.

“Collateral Group 3”: The Mortgage Loans in Subgroup I-B and Subgroup I-C or portions thereof that have been stripped to an Effective Net Rate of 6.50%.

“Collateral Group 4”: The Mortgage Loans in Subgroup II-P and Subgroup II-A or portions thereof that have been stripped to an Effective Net Rate of 5.50%.

“Collateral Group 5”: The Mortgage Loans in Subgroup II-A and Subgroup II-B or portions thereof that have been stripped to an Effective Net Rate of 6.00%.

“Collateral Group 6”: The Mortgage Loans in Subgroup II-B and Subgroup II-C or portions thereof that have been stripped to an Effective Net Rate of 6.50%.

“Corresponding Class”: For each Class of REMIC Interests or Certificates, the Class or Classes indicated as such in the tables set forth in Section 2.03.

“Countrywide”: Countrywide Home Loans, Inc., or any successor in interest.

“Countrywide Servicing”: Countrywide Home Loans Servicing LP, or any successor in interest.

“Credit Support Depletion Date”: The first Distribution Date (if any) on which the aggregate Certificate Balance of the Subordinate Certificates has been or will be reduced to zero.

“Current Realized Loss”: For the Class A-P Certificates and each Distribution Date, the sum of the related Applicable Fraction of Realized Losses realized during the preceding calendar month on each Discount Loan.

“Current Shortfall”: Any amount included in the Principal Distribution Amount for which cash is not available to make distributions as a result of the Servicer’s decision not to Advance a delinquent payment, other than a Realized Loss.

“Curtailment”: Any partial prepayment on any Mortgage Loan.

“Custodian”: JPMorgan Chase Bank, National Association, in its capacity as custodian under the applicable Custodial Agreements.

“Custodial Agreement”: (i) the Custodial Agreement dated as of April 1, 2004, between GSMC, as purchaser, and LaSalle Bank National Association, as custodian; (ii) the Custodial Agreement, dated as of October 1, 2004, among GSMC, as purchaser, CitiMortgage, as servicer and the Custodian, as custodian; (iii) the Custodial Agreement dated as of April 1, 2004 among GSMC, as purchaser, Countrywide, as seller, Countrywide Home Loans Servicing LP, as servicer, and the Custodian, as custodian; (iv) the Custodial Agreement, dated as of February 1, 2004, among GSMC, as purchaser, IndyMac, as seller and the Custodian, as custodian; (v) the Custodial Agreement, dated as of March 1, 2004, among GSMC, as purchaser, Fifth Third, as servicer and the Custodian, as custodian; (vi) the Custodial Agreement, dated as of December 1, 2004, among GSMC, as purchaser, Fifth Third, as servicer and the Custodian, as custodian; and (vii) the Custodial Agreement, dated as of April 1, 2005, between GSMC, as purchaser, Bank of America, National Association (“BofA”), as seller and the Custodian, as custodian.

“Cut-Off Date”: April 1, 2005.

“Deferred Principal Amount”: For the Class A-P Certificates, the cumulative amount of current Realized Losses allocated to such Class on prior Distribution Dates, minus all amounts reimbursed from amounts otherwise payable on the Subordinate Certificates.

“Depositor”: GS Mortgage Securities Corp., in its capacity as depositor under this Trust Agreement.

“Designated Rate”: With respect to Collateral Group 1, 4.50% per annum. With respect to Collateral Group 2, 5.00% per annum. With respect to Collateral Group 3, 6.50% per annum. With respect to Collateral Group 4, 5.50% per annum. With respect to Collateral Group 5, 6.00% per annum. With respect to Collateral Group 6, 6.50% per annum.

“Discount Loan”: Any Mortgage Loan in Loan Group I with a Net Rate less than 4.50% per annum and any Mortgage Loan in Loan Group II with a Net Rate less than 5.50% per annum..

“Distribution Date”: The 25th day of each month, or if such day is not a Business Day, the next Business Day following such day. The initial Distribution Date will be May 25, 2005.

“Due Date”: For any Mortgage Loan, the first day in each calendar month.

“Due Period”: For any Distribution Date, the period beginning on the second day of the month immediately preceding the month in which such Distribution Date occurs and ending on the first day of the month in which such Distribution Date occurs.

“Fair Market Value Excess”: An amount equal to the excess, if any, of (i) the amount in clause (i) of the definition of “Termination Price”, over (ii) the amount in clause (ii)(B) of the definition of “Termination Price”.

“Fifth Third”: Fifth Third Mortgage Company, or any successor in interest.

“Final Distribution Date”: For each Class of Certificates, the respective dates specified in Section 2.03(d).

“Group 1 Certificate”: Any Class 1A-1 Certificate.

“Group 2 Certificate”: Any Class 2A-1 Certificate.

“Group 3 Certificate”: Any Class 3A-1 Certificate.

“Group 4 Certificate”: Any Class 4A-1, Class 4A-2, Class 4A-3, Class 4A-4, Class 4A-5, Class 4A-6, Class 4A-7, Class 4A-8, Class 4A-9, Class 4A-10, Class 4A-11, Class 4A-12 or Class 4A-13 Certificate.

“Group 5 Certificate”: Any Class 5A-1 or Class 5A-2 Certificate.

“Group 6 Certificate”: Any Class 6A-1 Certificate.

“Group I Mortgage Loan”: Any Mortgage Loan in Loan Group I.

“Group II Mortgage Loan”: Any Mortgage Loan in Loan Group II.

“Group Subordinate Amount”: With respect to each Collateral Group and any Distribution Date, the excess of the sum of the Applicable Fractions of the Scheduled Principal Balance of the Mortgage Loans contributing to such Collateral Group as of the beginning of the related Due Period (other than the Applicable Fractions thereof allocable to the Class A-P Certificates) over the total Certificate Balance of the Senior Certificates of the related Certificate Group (other than the Class A-P Certificates) immediately prior to such Distribution Date.

“GSMC”: ▇▇▇▇▇▇▇ ▇▇▇▇▇ Mortgage Company, or any successor in interest.

“IndyMac”: IndyMac Bank F.S.B, or any successor in interest.

“Interest Accrual Period”: For any Distribution Date and any regular interest in REMIC I-1 or REMIC I-2 or any Class of Certificates other than the Principal Only Certificates, the calendar month immediately preceding the calendar month in which such Distribution Date occurs. The Principal Only Certificates will not be entitled to any interest.

“Interest Only Certificate”: Any Class A-X Certificate.

“Interests”: Each Class of REMIC Interests.

“JPMorgan Chase”: JPMorgan Chase Bank, National Association.

“Junior Subordinate Certificates”: The Class B4, Class B5 and Class B6 Certificates.

“Liquidation Principal”: For any Distribution Date, the principal portion of Liquidation Proceeds received from each Mortgage Loan that became a Liquidated Mortgage Loan during the calendar month preceding the month of such Distribution Date.

“Loan Group I”: The Mortgage Loans identified on Schedule I as being in Loan Group I.

“Loan Group II”: The Mortgage Loans identified on Schedule I as being in Loan Group II.

“Loan Seller”: Each of ABN AMRO, CitiMortgage, Countrywide, Fifth Third, IndyMac and Nat City.

“Master Servicer”: JPMorgan Chase Bank, National Association, its successors and assigns, including any successor master servicer.

“Master Servicing Fee”: With respect to any Distribution Date, all income and gain realized from the investment of funds in the Master Servicer Account during the period from and including the Servicer Remittance Date relating to such Distribution Date, to but excluding the Master Servicer Remittance Date relating to such Distribution Date. Pursuant to a separate agreement, the Master Servicer will pay the Trustee fee and the Securities Administrator fee from the Master Servicing Fee.

“Minimum Bid Price”: The greater of (a) the sum of (1) the total unpaid principal balance of the Mortgage Loans (other than Liquidated Mortgage Loans), (2) interest accrued and unpaid on the Mortgage Loans, (3) any unreimbursed Advances, fees and expenses of the Master Servicer, the Servicers, the Securities Administrator and the Trustee and (4) with respect to any REO Property, the balance of the related Mortgage Loan at the time the related Mortgaged Property became REO Property, and (b) the sum of (1) the aggregate unpaid Certificate Principal Balance of the then-outstanding Certificates, (2) interest accrued and unpaid on the Certificates and (3) any unreimbursed Servicing Advances, fees and expenses of the Master Servicer, the Servicers, the Securities Administrator and the Trustee.

“Moody’s”: ▇▇▇▇▇’▇ Investors Service, Inc., or any successor in interest.

“Mortgage Loans”: The mortgage loans identified on Schedule I hereto.

“Nat City”: National City Mortgage Co., or any successor in interest.

“Net Rate”: With respect to each Mortgage Loan, the Note Rate of such Mortgage Loan less the Servicing Fee Rate and the rate on any primary mortgage insurance applicable to such Mortgage Loan.

“Non-AP Pool Balance”: For any Distribution Date and any Collateral Group (other than Collateral Group P), the sum of the products, for each Mortgage Loan contributing to such Collateral Group, of (i) the Applicable Fraction for such Mortgage Loan in respect of such Collateral Group and (ii) the outstanding principal balance of such Mortgage Loan as of the Due Date of the month in which such Distribution Date occurs.

“Note Rate”: For each Mortgage Loan, the rate at which the related promissory note accrues interest. For purposes of calculating the Certificate Rates on the Interests and Certificates, the Note Rate of a Mortgage Loan will be calculated without regard to any modification, waiver or amendment of the interest rate of the Mortgage Loan, whether agreed to by the Servicer or resulting from a bankruptcy, insolvency or similar proceeding involving the related Mortgagor.

“Notional Amount”: The Class A-X Notional Amount. The Notional Amount is used to calculate distributions on the related Class of Certificates, but is not a principal amount or other amount to which a Certificateholder is entitled.

“PAC 1 Scheduled Amount”: With respect to any Distribution Date and the Class 4A-1, Class 4A-2, Class 4A-3 and Class 4A-4 Certificates, the amount set forth on Schedule II attached hereto for such Distribution Date and Classes.

“PAC 2 Scheduled Amount”: With respect to any Distribution Date and the Class 4A-6 Certificates, the amount set forth on Schedule II attached hereto for such Distribution Date and Class.

“P&I Certificates”: All Classes of Certificates other than the Class 4A-5, Class A-X, Class A-P Certificates, the Residual Certificates and the Class C Certificates.

“Payoffs”: Any prepayment in full on any Mortgage Loan.

“Premium Loan”: Any Mortgage Loan in Loan Group I with a Net Rate greater than or equal to 6.50% and any Mortgage Loan in Loan Group II with a Net Rate greater than or equal to 6.50%.

“Prepayment Period”: With respect to each Distribution Date, the preceding calendar month.

“Principal Distribution Amount”: For each Collateral Group and any Distribution Date, the sum of:

(1)

the Principal Payment Amount for such Collateral Group;

(2)

the Principal Prepayment Amount for such Collateral Group; and

(3)

the Applicable Fraction for each Mortgage Loan contributing to such Collateral Group of the Liquidation Principal derived from such Mortgage Loan.

“Principal Only Certificate”: Any Class 4A-5 or Class A-P Certificate.

“Principal Payment Amount”: For each Collateral Group (other than Collateral Group P) and any Distribution Date, the sum of the products, for each Mortgage Loan contributing to such Collateral Group, of (i) the Applicable Fraction for such Mortgage Loan in respect of such Collateral Group and (ii) the sum of the following amounts:

(1)

the principal portion of Scheduled Payments on such Mortgage Loan due on the related Due Date and received or advanced during the related Due Period;

(2)

the principal portion of repurchase proceeds received on such Mortgage Loan if such Mortgage Loan was repurchased as permitted or required by this Trust Agreement during the calendar month preceding the month of such Distribution Date;

(3)

any other unscheduled payments of principal which were received on such Mortgage Loan during the preceding calendar month (or, with respect to Mortgage Loans serviced by IndyMac, received during the period beginning on and including the second day of the preceding calendar month and ending on and including the first day of the current calendar month), other than Payoffs, Curtailments, or Liquidation Principal; and

(4)

current Realized Losses and Deferred Principal Amounts, to the extent of the amount available from the related Subordinate Principal Distribution Amount.

“Principal Prepayment Amount”: For any Distribution Date and any Collateral Group (other than Collateral Group P), the sum of the products, for each Mortgage Loan contributing to such Collateral Group, of (i) the Applicable Fraction for such Mortgage Loan in respect of such Collateral Group and (ii) all Payoffs and Curtailments for such Mortgage Loan that were received during the preceding calendar month (or, with respect to each Mortgage Loans serviced by IndyMac, Payoffs and Curtailments for such Mortgage Loan that were received during the period beginning on and including the second day of the preceding calendar month and ending on and including the first day of the current calendar month).

“Private Certificates”: The Junior Subordinate Certificates.

“Qualified Institutional Buyer”: Any “qualified institutional buyer” as defined in clause 7(a) of Rule 144A promulgated under the Securities Act.

“Rating Agency”: Each of S&P and Moody’s.

“Record Date”: For each Class of Certificates, the last Business Day of the related Interest Accrual Period.

“REMIC”: REMIC I-1 or REMIC I-2.

“REMIC Certificates”: Each Class of Certificates issued by REMIC I-2 pursuant to Section 2.03 and the Class R1 and Class R2 Certificates.

“REMIC Interests”: Each Class of REMIC interests issued pursuant to Section 2.03.

“REMIC I-1”: One of the real estate mortgage investment conduits created hereunder, which consists of the Mortgage Loans and the REMIC I-1 Distribution Account.

“REMIC I-1 Regular Interests”: The regular interests issued by REMIC I-1 as specified in Section 2.03.

“REMIC I-2”: One of the real estate mortgage investment conduits created hereunder, which consists of the REMIC I-1 Regular Interests and the REMIC I-2 Distribution Account.

“REMIC I-2 Regular Interests”: The regular interests issued by REMIC I-2 as specified in Section 2.03.

“Remittance Date”: The 18^th day of each month or if such day is not a Business Day, the preceding (or, in the case of certain Mortgage Loans serviced by Countrywide Servicing and IndyMac, the next succeeding) Business Day, as set forth in the applicable Servicing Agreement.

“Residual Certificates”: The Class R1 and Class R2 Certificates.

“Rule 144A Certificates”: The Junior Subordinate Certificates.

“S&P”: Standard & Poor’s Ratings Services, a division of The ▇▇▇▇▇▇-▇▇▇▇ Companies.

“Sale and Servicing Agreements”: (i) the Amended and Restated Flow Sale, Warranties and Servicing Agreement dated as of September 1, 2004, between GSMC, as purchaser, and ABN AMRO, as seller and servicer, (ii) the Master Mortgage Loan Purchase Agreement dated as of July 1, 2004, between GSMC, as purchaser, and Countrywide, as seller, (iii) the Flow Mortgage Loan Purchase and Servicing Agreement dated as of October 1, 2004, between GSMC, as purchaser, and CitiMortgage, as seller and servicer, (iv) the Servicing Agreement dated as of July 1, 2004, by and between Countrywide Servicing, as servicer, and GSMC, as owner, (v) the Flow Seller’s Warranties and Servicing Agreement dated as of December 1, 2004, between GSMC, as purchaser, and Fifth Third, as seller and servicer, (vi) the Flow Seller’s Warranties and Servicing Agreement dated as of March 1, 2004, between GSMC, as purchaser, and Fifth Third, as seller and servicer, (vii) the Master Mortgage Loan Purchase Agreement dated as of February 1, 2004, as amended by Amendment No. 1 dated as of December 1, 2004, between IndyMac, as seller, and GSMC, as purchaser, (viii) the Assignment, Assumption and Recognition Agreement dated as of April 27, 2005, among Nat City, as servicer, BofA, as seller, and GSMC, as purchaser, (ix) the Amended and Restated Master Seller’s Warranties and Servicing Agreement dated as of October 1, 2001, as amended and restated dated as of December 5, 2003, between Nat City, as seller, and BofA, as purchaser, and (x) the Master Seller’s Warranties and Servicing Agreement dated as of September 1, 2003, as amended by Amendment No. 1 dated as of July 1, 2004, between Nat City, as seller, and BofA, as purchaser.

“Scheduled Amount”: The PAC 1 Scheduled Amount, PAC 2 Scheduled Amount or TAC Scheduled Amount, as applicable.

“Scheduled Payments”: With respect to any Mortgage Loan, the monthly payments of principal and interest payable by the Mortgagor pursuant to the related amortization schedule.

“Scheduled Principal Amount”: With respect to any Distribution Date an amount equal to the amount described in clause (i) of the definition of Senior Principal Distribution Amount.

“Securities Administrator”: JPMorgan Chase in its capacity as Securities Administrator under this Trust Agreement, or its successor in interest in such capacity.

“Senior Certificates”: The Class A Certificates.

“Senior Collateral Group Percentage”: For Collateral Group 1, Collateral Group 2, Collateral Group 3, Collateral Group 4, Collateral Group 5 and Collateral Group 6 will equal (i) as of the Closing Date, 98.23%, 98.25%, 98.25%, 96.71%, 96.75% and 96.75%, respectively, and (ii) for any Distribution Date thereafter will be a fraction expressed as a percentage equal to (a) the sum of the Certificate Balances of the Senior Certificates related to such Collateral Group (other than the Class A-P Certificates) immediately preceding such Distribution Date, over (b) the sum of the products, for each Mortgage Loan contributing to such Collateral Group, of (x) the Applicable Fraction for such Mortgage Loan in respect of such Collateral Group and (y) the outstanding principal balance of such Mortgage Loan as of the Due Date of the month in which such Distribution Date occurs.

“Senior Liquidation Amount”: For any Distribution Date and any Collateral Group (other than Collateral Group P), the aggregate, for each Mortgage Loan contributing to such Collateral Group that became a Liquidated Mortgage Loan during the calendar month preceding the month of such Distribution Date, of the related Senior Collateral Group Percentage of the lesser of the Applicable Fraction of (i) the scheduled principal balance of such Mortgage Loan and (ii) the Liquidation Principal derived from such Mortgage Loan.

“Senior Prepayment Percentage”: For each Collateral Group, as follows: (i) on any Distribution Date occurring before the Distribution Date in the month of May 2010, 100%; (ii) on any other Distribution Date on which the related Senior Collateral Group Percentage for such Distribution Date exceeds the initial Senior Collateral Group Percentage as of the Cut-Off Date, 100% (in which case, the Senior Prepayment Percentage for each other Collateral Group shall also equal 100% for such Distribution Date); and (iii) on any other Distribution Date in the month of May 2010 and thereafter, 100%, unless:

(a)

the mean of the sum of the Applicable Fractions of the Scheduled Principal Balances of the Mortgage Loans contributing to each Collateral Group that are 60 or more days delinquent (including Mortgage Loans in foreclosure or bankruptcy and property held by the Trust) for each of the immediately preceding three calendar months is less than or equal to 50% of the Group Subordinate Amount for such Collateral Group as of such Distribution Date, and

(b)

the sum of the Applicable Fractions of the cumulative Realized Losses on the Mortgage Loans contributing to each Collateral Group are less than or equal to the following percentage of the aggregate Group Subordinate Amount for such Collateral Group:

Distribution Date Occurring In	Percentage of the aggregate Group Subordination Amount as of the Cut-Off Date
May 2010 through April 2011	30%
May 2011 through April 2012	35%
May 2012 through April 2013	40%
May 2013 through April 2014	45%
May 2014 and thereafter	50%

in which case, the Senior Prepayment Percentage for each Collateral Group shall be as follows:

Distribution Date Occurring In	Senior Prepayment Percentage
May 2005 through April 2010	100%
May 2010 through April 2011	Senior Collateral Group Percentage for such Group + 70% of the related Subordinate Percentage
May 2011 through April 2012	Senior Collateral Group Percentage for such Group + 60% of the related Subordinate Percentage
May 2012 through April 2013	Senior Collateral Group Percentage for such Group + 40% of the related Subordinate Percentage
May 2013 through April 2014	Senior Collateral Group Percentage for such Group + 20% of the related Subordinate Percentage
May 2014 and thereafter	Senior Collateral Group Percentage for such Group

If on any Distribution Date the allocation to the P&I Certificates of Principal Prepayments in the percentage required would reduce the sum of the Certificate Balances of the P&I Certificates below zero, the Senior Prepayment Percentage for such Distribution Date shall be equal to the percentage necessary to reduce such sum to zero.

“Senior Principal Distribution Amount”: For any Distribution Date and each Collateral Group will equal the sum of:

(i)

the related Senior Collateral Group Percentage of the related Principal Payment Amount for such Distribution Date;

(ii)

the related Senior Prepayment Percentage of the related Principal Prepayment Amount for such Distribution Date; and

(iii)

the related Senior Liquidation Amount for such Distribution Date.

“Senior Subordinate Certificates”: The Class B1, Class B2 and Class B3 Certificates.

“Servicer”: Each of Countrywide Servicing, IndyMac and Nat City and their respective successors or assigns, in each case under the related Sale and Servicing Agreement.

“Servicing Fee Rate”: For each Mortgage Loan, the per annum fee described in Schedule I hereto.

“Servicemembers Shortfall”: Any shortfall in amounts paid by any Mortgagors on the related Mortgage Loan that occurs pursuant to the Servicemembers Civil Relief Act, as amended, or similar legislation affording relief to members of the armed forces.

“Subgroup I-A”: The Group I Mortgage Loans with Net Rates greater than or equal to 4.50% and less than 5.00%.

“Subgroup I-B”: The Group I Mortgage Loans with Net Rates greater than or equal to 5.00% and lesss than 6.50%.

“Subgroup I-C”: The Group I Mortgage Loans with Net Rates greater than or equal to 6.50%.

“Subgroup I-P”: The Group I Mortgage Loans with Net Rates less than 4.50%.

“Subgroup II-A”: The Group II Mortgage Loans with Net Rates greater than or equal to 5.50% and less than 6.00%.

“Subgroup II-B”: The Group II Mortgage Loans with Net Rates greater than or equal to 6.00% and less than 6.50%.

“Subgroup II-C”: The Group II Mortgage Loans with Net Rates greater than or equal to 6.50%.

“Subgroup II-P”: The Group II Mortgage Loans with Net Rates less than 5.50%.

“Subordinate Certificates”: The Class B Certificates.

“Subordinate Class Percentage”: For each Class of Subordinate Certificates and each Distribution Date, the percentage obtained by dividing the Class Principal Balance of such Class immediately prior to such Distribution Date by the aggregate Certificate Principal Balance of all Subordinate Certificates immediately prior to such date.

“Subordinate Interests”: The Interest corresponding to the Subordinate Certificates.

“Subordinate Liquidation Amount”: For any Distribution Date and Collateral Group (other than Collateral Group P), the Applicable Fraction of the related Liquidation Principal in respect of each Mortgage Loan contributing to such Collateral Group which became a Liquidated Mortgage Loan during the calendar month preceding the month of such Distribution Date, minus the related Senior Liquidation Amount for such Distribution Date.

“Subordinate Percentage”: For any Collateral Group and any Distribution Date, 100% minus the Senior Collateral Group Percentage for such Collateral Group. The Subordinate Percentages as of the Closing Date will be 1.77%, 1,75%, 1.75%, 3.29%, 3.25% and 3.25% for Collateral Group 1, Collateral Group 2, Collateral Group 3, Collateral Group 4, Collateral Group 5 and Collateral Group 6, respectively.

“Subordinate Prepayment Percentage”: For any Distribution Date and any Collateral Group (other than Collateral Group P), the excess of 100% over the Senior Prepayment Percentage for such Collateral Group. Initially, the Subordinate Prepayment Percentage for each Collateral Group will be 0%.

“Subordinate Principal Distribution Amount”: For any Distribution Date and any Collateral Group (other than Collateral Group P), the sum of:

(1)

the related Subordinate Percentage of the related Principal Payment Amount;

(2)

the related Subordinate Principal Prepayment Amount; and

(3)

the related Subordinate Liquidation Amount;

provided, however, that the Subordinate Principal Distribution Amount for each Collateral Group shall be reduced by the amounts required to be distributed to the Class A-P Certificates for reimbursement of Current Realized Losses and Deferred Principal Amounts on such Distribution Date. Any reduction in the Subordinate Principal Distribution Amount for any Collateral Group pursuant to the proviso above shall reduce the amount calculated pursuant to clause (1), clause (3) and clause (2), in that order in each case of the definition thereof, and such amounts will nevertheless reduce the Certificate Balance of the applicable Class of Subordinate Certificates.

“Subordinate Principal Prepayment Amount”: For each Distribution Date and each Collateral Group (other than Collateral Group P), the Subordinate Prepayment Percentage of the related Principal Prepayment Amount.

“Subordination Levels”: For any Class of Subordinate Certificates and any specified date, a fraction expressed as a percentage equal to (i) the sum of the Certificate Balances of all Classes of Subordinate Certificates that are subordinate to such Class, over (ii) the sum of the Certificate Balances of all Classes of Certificates as of such date, before giving effect to distributions on such date, and allocations of Realized Losses on such date.

“TAC Scheduled Amount”: With respect to any Distribution Date and the Class 4A-10 Certificates, the amount set forth on Schedule II attached hereto for such Distribution Date and Class.

“Trust Estate”: As defined in Section 2.01 hereof.

“Trust Agreement”: This Master Servicing and Trust Agreement, dated as of April 1, 2005, which incorporates by reference the Standard Terms to Master Servicing and Trust Agreement, April 2005 edition; provided that any references in any documents required to be provided pursuant to the terms of this Trust Agreement, including references in documents within the Trustee Mortgage Loan File, to a Trust Agreement dated as of April 1, 2005, shall be deemed to refer to this Trust Agreement.

“Trustee”: Wachovia Bank, National Association, not in its individual capacity but solely as Trustee under this Trust Agreement, or its successor in interest, or any successor trustee appointed as herein provided.

“Undercollateralization Distribution”: As defined in Section 3.01 hereof.

“Undercollateralized Group”: On any Distribution Date, any Collateral Group for which the total Certificate Balance of the Senior Certificates of the related Certificate Group (other than the Class A-P Certificates and after giving effect to distributions to be made on such Distribution Date) is greater than the Non-AP Pool Balance of such Collateral Group.

“Unscheduled Principal Amount”: With respect to any Distribution Date, an amount equal to the sum of the amounts described in clauses (ii) and (iii) of the definition of Senior Principal Distribution Amount.

ARTICLE II

FORMATION OF TRUST; CONVEYANCE OF MORTGAGE LOANS

Section 2.01

Conveyance to the Trustee.

To provide for the distribution of the principal of and interest on the Certificates and Interests in accordance with their terms, all of the sums distributable under this Trust Agreement with respect to the Certificates and the Interests and the performance of the covenants contained in this Trust Agreement, the Depositor hereby bargains, sells, conveys, assigns and transfers to the Trustee, in trust, without recourse and for the exclusive benefit of the Holders of the Certificates, all of the Depositor’s right, title and interest in and to any and all benefits accruing to the Depositor from: (a) the Mortgage Loans, the related Trustee Mortgage Loan Files, and all Monthly Payments due thereon after the Cut-Off Date and all principal prepayments collected with respect to the Mortgage Loans and paid by a Borrower on or after the Cut-Off Date, and proceeds of the conversion, voluntary or involuntary, of the foregoing; (b) the Sale and Servicing Agreements; provided that the Depositor hereby reserves its right to indemnification under the Sale and Servicing Agreements; (c) the Custodial Agreements; (d) the Assignment Agreements; (e) the Distribution Account, the Master Servicer Account, the Certificate Account and the Collection Accounts and (f) proceeds of all of the foregoing (including, without limitation, all amounts, other than investment earnings, from time to time held or invested in the Collection Account and the Certificate Account, whether in the form of cash, instruments, securities or other property, all proceeds of any mortgage insurance, mortgage guarantees, hazard insurance, or title insurance policy relating to the Mortgage Loans, cash proceeds, accounts, accounts receivable, notes, drafts, acceptances, chattel paper, checks, deposit accounts, rights to payment of any and every kind, and other forms of obligations and receivables, which at any time constitute all or part or are included in the proceeds of any of the foregoing) to pay the REMIC Interests and the Certificates as specified herein (items (a) through (f) above shall be collectively referred to herein as the “Trust Estate”).

The foregoing sale, transfer, assignment, set-over and conveyance does not and is not intended to result in the creation of an assumption by the Trustee of any obligation of the Depositor, the Seller or any other person in connection with the Mortgage Loans, the Sale and Servicing Agreements, the Assignment Agreements or under any agreement or instrument relating thereto except as specifically set forth herein.

It is agreed and understood by the Depositor and the Trustee (and the Depositor so represents and recognizes) that it is not intended that any Mortgage Loan to be included in the Trust Estate be (i) a “High-Cost Home Loan” as defined in the New Jersey Home Ownership Act effective November 27, 2003, (ii) a “High-Cost Home Loan” as defined in the New Mexico Home Loan Protection Act effective January 1, 2004, (iii) a “High-Cost Home Mortgage Loan” as defined in the Massachusetts Predatory Home Loan Practices Act effective November 7, 2004 or (iv) a “High Cost Home Loan” as defined in the Indiana Home Loan Practices Act effective February 1, 2005.

Section 2.02

Acceptance by the Trustee.

By its execution of this Trust Agreement, the Trustee acknowledges and declares that it holds and will hold or has agreed to hold (in each case through the applicable Custodian) all documents delivered to any such person from time to time with respect to the Mortgage Loans and all assets included in the definition of Trust Estate herein in trust for the exclusive use and benefit of all present and future Holders of the Certificates. The Trustee has not created and will not create, and no Officer of the Trustee has any actual knowledge or has received actual notice of, any interest in the Trust Estate contrary to the interests created by this Trust Agreement. The Trustee has not entered, nor intends to enter, into any subordination agreement or intercreditor agreement with respect to any assets included in the Trust Estate.

Section 2.03

REMIC Elections and REMIC Interests Designations.

(a)

REMIC Elections. Elections shall be made by the Securities Administrator to treat the assets of the Trust Estate described in the definition of the term “REMIC I-1” and the assets of the Trust Estate described in the definition of the term “REMIC I-2” as separate REMICs for federal income tax purposes. The REMIC I-1 Regular Interests shall constitute the regular interests in REMIC I-1 and the REMIC I-2 Regular Interests shall constitute the REMIC regular interests in REMIC I-2. The Class R1 Certificates shall represent ownership of the sole Class of residual interest in REMIC I-2. The Class R2 Certificates shall represent ownership of the sole Class of residual interests in REMIC I-1. References in the Standard Terms to REMIC I and REMIC II shall be deemed, for purposes of this Trust Agreement, to refer to REMIC I-1 and REMIC I-2 referred to herein, as modified by this Trust Agreement.

(b)

REMIC I-1 Interests. REMIC I-1 shall issue each of the following Classes of Interests in book-entry form, each of which shall be a Class of REMIC I-1 Interests, having the following Certificate Rates and initial principal balances:

Class	Initial Certificate Balance Or Notional Amount	Certificate Rate	Corresponding Class

I-Pool	(1)	(2)	N/A⁽⁵⁾
I-Sub-A	(6)	(2)	N/A
I-Sub-B	(6)	(2)	N/A
I-AX	(3)	6.50%	A-X
Residual
I-R	(4)	(4)	N/A

_______________

(1)

This interest shall have an initial principal balance equal to the excess of (i) the aggregate principal balance of the Mortgage Loans as of the Cut-Off Date, over (ii) the aggregate initial principal balance of each other regular interest in REMIC I-1.

(2)

This Interest shall bear interest for any Interest Accrual Period equal to (i) the weighted average of the Net Rates of all the Mortgage Loans as of the beginning of such Interest Accrual Period, weighted on the Scheduled Principal Balance of each such Mortgage Loan as of the first day of the preceding calendar month and determined by subjecting the Net Rate of each such Mortgage Loan to a cap equal to the Designated Rate for the related Group over (ii) (x) the sum of any expenses payable to the Securities Administrator or to the Trustee (to the extent such expenses were not taken into account in computing the Net Rate of any Mortgage Loan and do not constitute “unanticipated expenses” of a REMIC within the meaning of Treasury Regulation Section 1.860G-1(b)(3)(ii)) divided by (y) the aggregate Scheduled Principal Balance of the Mortgage Loans as of the beginning of such Interest Accrual Period.

(3)

A notional amount, which for any Distribution Date shall equal the Class A-X Notional Amount.

(4)

The Class I-R Interests shall not be entitled to payments of principal or interest. The Class R2 Certificates shall represent beneficial ownership of the Class I-R Interest.

(5)

N/A means Not Applicable.

(6)

This Interest shall have an initial principal balance of 1% of the aggregate Scheduled Principal Balance of the Mortgage Loans as of the Cut-Off Date.

(c)

REMIC I-2. REMIC I-2 shall issue the following Classes of Certificates (other than the Class R2 Certificates), with the designations, initial Certificate Balances and Certificate Rates indicated, each of which (other than the Residual Certificates and the Class C Certificates) shall be a Class of REMIC I-2 Regular Interests.

1A-1	$ 20,683,000.00	4.50%
2A-1	$100,230,000.00	5.00%
3A-1	$ 49,232,000.00	6.50%
4A-1	$ 40,333,000.00	5.50%
4A-2	$ 21,667,000.00	5.50%
4A-3	$ 30,556,000.00	5.50%
4A-4	$ 10,082,000.00	5.50%
4A-5	$ 1,849,522.00	0.00%
4A-6	$ 4,674,000.00	5.75%
4A-7	$ 11,930,000.00	5.75%
4A-8	$ 3,830,000.00	5.75%
4A-9	$ 1,255,478.00	5.75%
4A-10	$ 3,500,000.00	5.75%
4A-11	$ 1,500,000.00	5.75%
4A-12	$ 7,000,000.00	5.50%
4A-13	$ 7,000,000.00	6.00%
5A-1	$142,084,000.00	6.00%
5A-2	$ 4,940,000.00	6.00%
6A-1	$ 31,649,000.00	6.50%
B1	$ 6,831,000.00	(2)
B2	$ 2,549,000.00	(2)
B3	$ 1,529,000.00	(2)
B4	$ 1,279,000.00	(2)
B5	$ 1,020,000.00	(2)
B6	$ 765,526.83	(2)
A-P	$ 1,913,140.93	0.00%
A-X	$ 414,278.84⁽¹⁾	6.50%
R1	(3)	(3)
R2	(3)	(3)
C	(4)	(4)

__________

(1)

Notional Amount.

(2)

For each Distribution Date (and the related Interest Accrual Period) each of the Class B1, Class B2, Class B3, Class B4, Class B5 and Class B6 Certificates will accrue interest at a per annum rate equal to the B Average Rate.

(3)

REMIC I-2 shall also issue the Class II-R Interest, which shall represent the sole Class of residual interest in REMIC I-2. The Class R1 Certificate shall represent beneficial ownership of the Class II-R Interest. The Class R2 Certificate shall represent beneficial ownership of the Class I-R Interest.

(4)

The Class C Certificates will have no Certificate Balance and will not be entitled to distributions of interest or principal. The Class C Certificates do not represent any interest in any REMIC created hereby.

(d)

REMIC Final Scheduled Distribution. The final scheduled distribution date for the Regular Interests in REMIC I-1 and REMIC I-2 is the Distribution Date following the third anniversary of the scheduled maturity date of the Mortgage Loan having the latest scheduled maturity as of the Closing Date.

ARTICLE III

REMITTING TO CERTIFICATEHOLDERS

Section 3.01

Distributions to Certificateholders.

REMIC I-2 Distributions. (a) In accordance with Section 3.01(d) of the Standard Terms and subject to the exceptions set forth below and to Section 3.02, on each Distribution Date, the Securities Administrator shall withdraw the aggregate Available Distribution Amount for each Collateral Group from the Certificate Account, and shall distribute it in the following manner and order of priority:

(1)

to each Class of Senior Certificates (other than the Principal Only Certificates) related to such Collateral Group (other than Collateral Group P), Accrued Certificate Interest thereon, pro rata in proportion to the amount owing to each such Class;

(2)

to the Senior Certificates related to such Collateral Group, other than any related Interest Only Certificates, to the extent of the remaining Available Distribution Amount for the related Collateral Group, in the following order of priority:

(a)

to the Group 1 Certificates, in reduction of their Class Principal Balance, from the Available Distribution Amount for Collateral Group 1 in an amount up to the Senior Principal Distribution Amount for Collateral Group 1 for such Distribution Date, until the Class Principal Balance thereof is reduced to zero;

(b)

to the Group 2 Certificates, in reduction of their Class Principal Balance, from the Available Distribution Amount for Collateral Group 2 in an amount up to the Senior Principal Distribution Amount for Collateral Group 2 for such Distribution Date, until the Class Principal Balance thereof is reduced to zero;

(c)

to the Group 3 Certificates, in reduction of their Class Principal Balance, from the Available Distribution Amount for Collateral Group 3 in an amount up to the Senior Principal Distribution Amount for Collateral Group 3 for such Distribution Date, until the Class Principal Balance thereof is reduced to zero;

(d)

to the Group 4 Certificates, in reduction of their respective Class Principal Balances, from the Available Distribution Amount for Collateral Group 4 in an amount up to the Senior Principal Distribution Amount for Collateral Group 4 for such Distribution Date, in the following order of priority:

(i)

sequentially, to the Class 4A-1, Class 4A-2, Class 4A-3 and Class 4A-4 Certificates, in that order, until the sum of the Class Principal Balances of such Certificates is reduced to the PAC 1 Scheduled Amount for such Distribution Date;

(ii)

to the Class 4A-5, Class 4A-6, Class 4A-7, Class 4A-8, Class 4A-9, Class 4A-10, Class 4A-11, Class 4A-12 and Class 1A-13 Certificates, concurrently as follows:

(A)

95.6521732998% to the Class 4A-6, Class 4A-7, Class 4A-8, Class 4A-9, Class 4A-10, Class 4A-11, Class 4A-12 and Class 4A-13 Certificates, in the following order of priority:

(I)

to the Class 4A-6 Certificates, until the Class Principal Balance of such Certificates is reduced to the PAC 2 Scheduled Amount for such Distribution Date;

(II)

to the Class 4A-7, Class 4A-8, Class 4A-9, Class 4A-10, Class 4A-11, Class 4A-12 and Class 4A-13 Certificates, in the following order of priority:

(1)

to the Class 4A-7, Class 4A-10, Class 4A-11, Class 4A-12 and Class 4A-13 Certificates, concurrently as follows:

(a)

16.1655350792% to the Class 4A-10 and Class 4A-11 Certificates, in the following order of priority:

(i)

to the Class 4A-10 Certificates, until the Class Principal Balance thereof is reduced to the TAC Scheduled Amount for such Distribution Date;

(ii)

to the Class 4A-11 Certificates, until the Class Principal Balance thereof is reduced to zero; and

(iii)

to the Class 4A-10 Certificates, without regard to the TAC Scheduled Amount for such Distribution Date, until the Class Principal Balance thereof is reduced to zero; and

(b)

83.8344649208% to the Class 4A-7, Class 4A-12 and Class 4A-13 Certificates, concurrently as follows:

(i)

46.008484381% to the Class 4A-7 Certificates, until the Class Certificate Balance thereof is reduced to zero; and

(ii)

53.991515619%, pro rata, to the Class 4A-12 and Class 4A-13 Certificates, until the Class Principal Balance of each such Certificate is reduced to zero;

(2)

to the Class 4A-8 Certificates, until the Class Principal Balance thereof is reduced to zero; and

(3)

to the Class 4A-9 Certificates, until the Class Principal Balance thereof is reduced to zero; and

(III)

to the Class 4A-6 Certificates, without regard to the PAC 2 Scheduled Amount for such Distribution Date, until the Class Principal Balance thereof is reduced to zero; and

(B)

4.3478267002% to the Class 4A-5 Certificates, until the Class Principal Balance thereof is reduced to zero; and

(iii)

sequentially, to the Class 4A-1, Class 4A-2, Class 4A-3 and Class 4A-4 Certificates, in that order, without regard to their PAC 1 Scheduled Amount, until the Class Principal Balance of each such Certificate is reduced to zero;

(e)

pro rata, to the Group 5 Certificates, in reduction of their respective Class Principal Balances, from the Available Distribution Amount for Collateral Group 5 in an amount up to the Senior Principal Distribution Amount for Collateral Group 5 for such Distribution Date, until the Class Principal Balance of each such Certificate is reduced to zero;

(f)

to the Group 6 Certificates, in reduction of their Class Principal Balance, from the Available Distribution Amount for Collateral Group 6 in an amount up to the Senior Principal Distribution Amount for Collateral Group 6 for such Distribution Date, until the Class Principal Balance thereof is reduced to zero;

(g)

to the Class A-P Certificates, from the Available Distribution Amounts for Collateral Group P, the A-P Principal Distribution Amount for such Collateral Group, in reduction of the Class Principal Balance thereof, until such Class Principal Balance is reduced to zero;

(3)

from amounts otherwise payable to the Subordinate Certificates, to the Class A-P Certificates, the principal portion of Current Realized Losses and the Deferred Principal Amount for the Class A-P Certificates and such Distribution Date; provided, however, that, if necessary, the aggregate of all such amounts distributed on such Distribution Date shall not exceed the aggregate Subordinate Principal Distribution Amount (without regard to the proviso of such definition) for the Subordinate Certificates and, provided further, that such amounts will not reduce the Class Principal Balance of the Class A-P Certificates;

(4)

to the extent of the remaining Available Distribution Amount for all Collateral Groups (other than Collateral Group P), but subject to the prior distribution of amounts to the Subordinate Certificates, in their order of seniority the sum of Accrued Certificate Interest pro rata on the basis of the amount owing to each such Class, and their pro rata shares, based on their outstanding Certificate Balances, of the Subordinate Principal Distribution Amount for each such Collateral Group, as applicable; provided, however, that on any Distribution Date on which the Subordination Level for any Class of Subordinate Certificates is less than its Subordination Level as of the Closing Date, the portion of the Subordinate Principal Prepayment Amount otherwise allocable to the Class or Classes of the Subordinate Certificates junior to such Class will be allocated pro rata to the most senior Class of Subordinate Certificates for which the Subordination Level on such Distribution Date is less than the Subordination Level as of the Closing Date and all Classes of Subordinate Certificates senior thereto;

(5)

to each related Class of Certificates, in the order of their seniority, the amount of any unreimbursed Realized Losses previously allocated to such Certificates; and

(6)

after all of the other Classes of Certificates (other than the Residual Certificates) have been paid in full, the remainder if any, which is expected to be zero, of the Available Distribution Amount for all Collateral Groups to the Class R-2 Certificates to the extent such remainder is applicable to REMIC I-1 and otherwise to the Class R1 Certificates.

(b)

On each Distribution Date prior to the Credit Support Depletion Date but after the date on which the aggregate Certificate Principal Balance of the Senior Certificates (other than the Class A-P Certificates) of any Certificate Group has been reduced to zero, amounts otherwise distributable as principal on each Class of Subordinate Certificates pursuant to Section 3.01(a)(3), in reverse order of priority, in respect of such Class’s Subordinate Class Percentage of the Subordinate Principal Distribution Amount for the Collateral Group relating to such retired Senior Certificates, shall be distributed as principal to the Senior Certificates (other than any Interest Only Certificates and the Class A-P Certificates) remaining outstanding pursuant to Section 3.01(a)(2) until the Class Principal Balances thereof have been reduced to zero, provided that on such Distribution Date (a) the Aggregate Subordinate Percentage for such Distribution Date is less than 200% of the Aggregate Subordinate Percentage as of the Cut-Off Date or (b) the average outstanding principal balance of the Mortgage Loans contributing to any Collateral Group that are delinquent 60 days or more for the last six months (including Mortgage Loans in foreclosure or bankruptcy and property held by the Trust) as a percentage of the related Group Subordinate Amount is greater than or equal to 50%.

On each Distribution Date on which the aggregate Certificate Principal Balance of the Senior Certificates (other than the Class A-P Certificates) of two or more Certificate Groups has been reduced to zero, any amounts distributable pursuant to this Section 3.01(b) will be allocated, as to each applicable Class of Subordinate Certificates, in proportion to such Class’s Subordinate Class Percentage of the Subordinate Principal Distribution Amount for the Collateral Group relating to each such retired Certificate Group.

On each Distribution Date on which the Senior Certificates (other than the Class A-P Certificates) of two or more Certificate Groups remain outstanding, any amounts distributable pursuant to this Section 3.01(b) will be distributed in proportion to the aggregate Certificate Principal Balances of such Certificates of each such Certificate Group.

On any Distribution Date on which any Certificate Group constitutes an Undercollateralized Group, all amounts otherwise distributable as principal on the Subordinate Certificates, in reverse order of priority (other than amounts necessary to pay Deferred Principal Amounts or unpaid Current Shortfalls) (or, following the Credit Support Depletion Date, such other amounts described in the immediately following sentence), will be distributed as principal to the Senior Certificates (other than any Interest Only Certificates and the Class A-P Certificates) of such Undercollateralized Group pursuant to Section 3.01(a)(2), until the aggregate Certificate Principal Balance of such Senior Certificates equals the Non-AP Pool Balance of the related Collateral Group (such distribution, an “Undercollateralization Distribution”). In the event that any Certificate Group constitutes an Undercollateralized Group on any Distribution Date following the Credit Support Depletion Date, Undercollateralization Distributions will be made from any Available Distribution Amount for the Collateralized Groups not related to an Undercollateralized Group remaining after all required amounts have been distributed to the Senior Certificates (other than the Class A-P Certificates) of such other Certificate Groups. In addition, the amount of any unpaid Current Shortfalls with respect to an Undercollateralized Group on any Distribution Date (including any Current Shortfalls for such Distribution Date) shall be distributed to the Senior Certificates (other than the Class A-P Certificates) of such Undercollateralized Group prior to the payment of any Undercollateralization Distributions from amounts otherwise distributable as principal on the related Subordinate Certificates, in reverse order of priority (or, following the Credit Support Depletion Date, as provided in the preceding sentence).

If on any Distribution Date two or more Certificate Groups are Undercollateralized Groups, the distribution described in the immediately preceding paragraph will be made in proportion to the amount by which the aggregate Certificate Principal Balance of the Senior Certificates (other than the Class A-P Certificates) of each such Certificate Group, after giving effect to distributions pursuant to Section 3.01(a) on such Distribution Date, exceeds the Non-AP Pool Balance of the related Collateral Group for such Distribution Date.

(c)

REMIC I-1 Distributions. On each Distribution Date, the Securities Administrator shall apply amounts in the REMIC I-1 Distribution Account to the REMIC I-1 Regular Interests in the same manner that amounts are distributed on any Corresponding Classes of Certificates on such Distribution Date.

On each Distribution Date, the Securities Administrator shall apply remaining amounts in the REMIC I-1 Distribution Account in respect of interest to the Class I Pool, Class I-Sub-A and Class I-Sub-B Interests in accordance with their interest rates set forth above. In addition, on each Distribution Date, the Trustee shall apply amounts in the REMIC I-1 Distribution Account in respect of principal to the Class I-Pool, Class I-Sub-A and Class I-Sub-B Interests as follows:

(i)

first, to the Class I-Sub-A and Class I-Sub-B Interests, the minimum amounts to each such that following that allocation the weighted average rate of the Class I-Sub-A and Class I-Sub-B Interests, weighted on the principal balances thereof and determined by subjecting the Class I-Sub-A Interest to a floor of 7.45012229% and subjecting the Class I-Sub-B Interest to a cap of 4.00000000%, equals the interest rate on the Class B Certificates for the following Distribution Date;

(ii)

second, to the Class I-Pool Interest until its principal balance is reduced to zero; and

(iii)

third, pro rata to the Class I-Sub-A and Class I-Sub-B Interests in accordance with their principal balances following clause (i) above.

Realized Losses and Shortfalls shall be allocated in the same manner.

The Securities Administrator shall withdraw all amounts allocated to the various REMIC I-1 Regular Interests and deposit such amounts in the Certificate Account for distribution pursuant to Section 3.01(a) above on such Distribution Date. Any amount remaining in the REMIC I-1 Distribution Account after making all other payments required under this Section 3.01(c) shall be distributed to the holder of the Class R1 Certificates.

(d)

On each Distribution Date on which any Fair Market Value Excess is on deposit in the Certificate Account and such Fair Market Value Excess has not been previously distributed in accordance with this Section 3.01(e), the Securities Administrator shall withdraw such Fair Market Value Excess, from the Certificate Account, and shall distribute it to the Holder of the Class R2 Certificates.

Section 3.02

Allocation of Realized Losses and Shortfalls.

(a)

Realized Losses of Principal.

(i)

On each Distribution Date, the respective Applicable Fractions of each Realized Loss on a Mortgage Loan, to the extent allocable to principal, shall be allocated to the related Collateral Groups for further allocation to the Class or Classes of REMIC Interests supported by such Collateral Groups in reduction of the Certificate Balance thereof; provided, however, that any Realized Loss allocated to a Collateral Group shall be allocated first to the Subordinate Interests related to such Collateral Group, in reverse numerical order, until the Certificate Balance thereof is reduced to zero, and then pro rata to the Senior Interests related to such Collateral Group; provided further, that any Realized Loss otherwise allocable to the Class 5A-1 Certificates will instead be allocated to the Class 5A-2 Certificates, until the Class Principal Balance thereof is reduced to zero. Any Realized Losses allocated to a Class of REMIC Interests and not reimbursed on the same Distribution Date shall be allocated to the Corresponding Class or Classes of Certificates as described below.

(ii)

Prior to the Credit Support Depletion Date, to the extent that the principal portion of a Realized Loss has been allocated to reduce the Certificate Principal Balance of the Class A-P Interest, the amount of such Realized Loss will be reimbursed from the Subordinate Principal Distribution Amount, to reimburse the Current Realized Losses and Deferred Principal Amounts. The distribution of any Current Realized Losses and Deferred Principal Amounts to a Class of Senior Interests on any Distribution Date shall not result in a further reduction of the Certificate Balance of such Class of Senior Interests, but instead shall result in the reduction of the Certificate Balance of the Subordinate Interests in REMIC I-2, until the Certificate Balance thereof has been reduced to zero. The Current Realized Losses and Deferred Principal Amounts will be paid from the amounts otherwise payable to the Classes of Subordinate Interests related to the applicable REMIC, beginning with the Class having the highest numerical designation. Any Current Realized Losses and Deferred Principal Amounts not paid on the Distribution Date relating to the Due Period in which the Realized Loss was incurred will be carried forward and will be included in the Current Realized Losses and Deferred Principal Amounts for the next Distribution Date.

(b)

Realized Losses Allocable to Interest. On each Distribution Date, the portion of each Realized Loss on a Mortgage Loan that exceeds the outstanding principal amount of such Mortgage Loan shall be allocated pro rata to the related Collateral Group or Groups, on the basis of the amount of interest due to such Collateral Group from such Mortgage Loan. On each Distribution Date, the interest portion of each Realized Loss allocated to a Collateral Group in accordance with the preceding sentence shall be further allocated pro rata, on the basis of Accrued Certificate Interest, to each Class of related REMIC Interests; provided that the interest portion of any Realized Losses allocated to the Subordinate Interests in a REMIC as provided in this Section 3.02(b) shall be allocated to such Subordinate Interests in reverse order of seniority.

(c)

Interest Shortfall. Notwithstanding anything in the Standard Terms to the contrary, on each Distribution Date, before any distributions are made on the REMIC Interests and the Certificates, Month End Interest Shortfall not covered by compensating interest from P&I Advances and Servicemembers Shortfall with respect to any Mortgage Loan shall be allocated pro rata among the Classes of the related REMIC based on the amount of interest otherwise owing thereto in reduction of that amount. Such amounts shall be allocated proportionately based on (1) in the case of the Senior Certificates, the Accrued Certificate Interest otherwise distributable thereon and (2) in the case of the Subordinate Certificates, interest accrued on their related Apportioned Principal Balances without regard to any reduction pursuant to this paragraph, for that Distribution Date.

(d)

Modification Losses. In the event that the Note Rate on a Mortgage Loan is reduced as a result of a modification of the terms of such Mortgage Loan, such modification shall be disregarded for purposes of calculating the Certificate Rate on any Class of Certificates or Class of REMIC Interest. Any shortfall resulting from any such modifications, however, shall be treated as a Realized Loss occurring on each Distribution Date and shall be applied to reduce the Certificate Balances of the Certificates and REMIC Interests in the manner and order of priority set forth above.

(e)

In the event that there is a recovery of an amount in respect of principal of a Mortgage Loan, which amount had previously been allocated as a Realized Loss to one or more Classes of Certificates (i) such amount shall be treated as a Principal Prepayment Amount and shall be included in the Available Distribution Amount for the Distribution Date occurring in the month following the month in which such recovery is received and (ii) the Certificate Balance of the Classes to which any Realized Loss had previously been allocated, whether or not such Classes remain outstanding, shall be increased in direct order of priority, in each case by an amount equal to the lesser of (x) the amount of such recovery and (y) the aggregate amount of Realized Losses previously allocated to such Classes less amounts previously allocated to such Classes pursuant to this paragraph.

ARTICLE IV

THE SECURITIES

Section 4.01

The Certificates.

The Certificates will be designated generally as the Mortgage Pass-Through Certificates, Series 2005-4F. The aggregate principal amount of Certificates or Interests, as applicable, that may be executed and delivered under this Trust Agreement is limited to $509,881,667.93, except for Certificates executed and delivered upon registration of transfer of, or in exchange for, or in lieu of, other Certificates pursuant to Sections 5.03 or 5.05 of the Standard Terms. On the Closing Date, the Trustee shall execute, and the Certificate Registrar shall authenticate and deliver Mortgage Pass-Through Certificates in the names and amounts and to the Persons as directed by the Depositor. The table in Section 2.03 sets forth the Classes of Certificates, the initial Certificate Balance and the Certificate Rate for each Class of the Certificates.

Section 4.02

Denominations.

Each of the Class A and Senior Subordinate Certificates shall be issued in fully registered, book-entry form and shall be Book-Entry Certificates. Each Class of Residual Certificates and Class B4, Class B5 and Class B6 Certificates shall be issued in fully registered, certificated form. The Class A Certificates (other than the Class 4A-5, Class A-P and Class A-X Certificates) are offered in minimum denominations of $25,000 initial Certificate Balance each and multiples of $1 in excess of $25,000. The Class 4A-5 Certificates are offered in minimum denominations of $100,000 initial Certificate Balance each and multiples of $1 in excess of $100,000. The Class A-P and Class A-X Certificates are offered in minimum denominations of $1,000,000 initial Notional Amount each and multiples of $1 in excess of $1,000,000. The Class A-P Certificates are offered in the form of a single Certificate representing the entire Certificate Balance thereof. The Class A-X Certificates are offered in the form of a single Certificate representing the entire Notional Amount thereof. The Subordinate Certificates are offered in minimum denominations of $250,000 initial Certificate Balance each and multiples of $1 in excess of $250,000. In addition, one Certificate of each Class (other than the Residual Certificates) may be issued evidencing the sum of an authorized denomination thereof and the remainder of the initial Certificate Balance (or, in the case of the Class A-X Certificates, the Notional Amount) of such Class. Each Class of Residual Certificates shall be issued in percentage interests of 99.99% and 0.01%.

Section 4.03

Redemption of Certificates.

(a)

There shall be no right to redemption pursuant to Section 10.01 of the Standard Terms. Moreover, notwithstanding anything to the contrary in Section 10.02 of the Standard Terms, the obligations created by this Trust Agreement will terminate upon payment to the Certificateholders of all amounts held in the Collection Account, the Certificate Account and the Distribution Account required to be paid to the Certificateholders pursuant to this Trust Agreement, following the final payment or other liquidation (or any Advance with respect thereto) of the last Mortgage Loan remaining in the Trust Fund or the disposition of all property acquired upon foreclosure of any such Mortgage Loan.

(b)

On or after the date on which the aggregate Scheduled Principal Balance of the Mortgage Loans is less than or equal to 1% of the aggregate Scheduled Principal Balance of such Mortgage Loans as of the Cut-Off Date and no Certificate outstanding is beneficially owned by a Plan, the Class C Certificateholder shall have the right to purchase the remaining Mortgage Loans and any other assets in REMIC I-1 at the Termination Price and thereby cause the retirement of the Certificates. On or after the date on which the aggregate Scheduled Principal Balance of the Mortgage Loans is less than or equal to 1% of the aggregate Scheduled Principal Balance of such Mortgage Loans as of the Cut-Off Date and a Certificate outstanding is beneficially owned by a Plan, the Class C Certificateholder shall have the right to direct the Master Servicer to purchase the remaining Mortgage Loans and any other assets in REMIC I-1 at the Termination Price and thereby cause the retirement of the Certificates. If the Depositor or its affiliate is a Class C Certificateholder, the Depositor may only exercise its right to direct the Master Servicer to purchase the Mortgage Loans pursuant to this Section 4.03 with at least one other unaffiliated Person that holds at least a 10% interest in the Class C Certificates. In the event the Class C Certificateholder does not exercise its option (or does not direct the Master Servicer to exercise its option) as provided herein, the Master Servicer shall have the option to purchase the remaining Mortgage Loans and any other assets in REMIC I-1 at the Termination Price and thereby cause the retirement of the Certificates. Notwithstanding anything to the contrary contained herein, the obligations created by the Trust Agreement shall terminate upon payment to the Certificateholders of all amounts held in the Certificate Account and the REMIC I Distribution Account required to be paid to the Certificateholders pursuant to the Trust Agreement, following the earlier of: (i) the final payment or other liquidation (or any Advance with respect thereto) of the last Mortgage Loan remaining in the Trust Fund or the disposition of all property acquired upon foreclosure of any such Mortgage Loan and (ii) the repurchase of all of the assets of the Trust Fund as provided above. Written notice of termination shall be given to each Certificateholder, and the final distribution shall be made only upon surrender and cancellation of the Certificates at an office or agency appointed by the Securities Administrator, which will be specified in the notice of termination. Any repurchase of the assets of the Trust Fund pursuant to this Section 4.03 shall be made at a price equal to the Termination Price.

Section 4.04

Securities Laws Restrictions.

Each of the Junior Subordinate Certificates is a Private Certificate subject to the restrictions on transfer contained in Section 5.05(a) of the Standard Terms. Furthermore, each of the Private Certificates is a Rule 144A Certificate. The Class R1 and Class R2 Certificates are Residual Certificates subject to Section 5.05(c) of the Standard Terms.

ARTICLE V

MISCELLANEOUS PROVISIONS

Section 5.01

Request for Opinions.

(a)

The Depositor hereby requests and authorizes ▇▇▇▇▇ ▇▇▇▇▇▇ LLP, as its counsel in this transaction, to issue on behalf of the Depositor such legal opinions to the Trustee, the Securities Administrator and each Rating Agency as may be (i) required by any and all documents, certificates or agreements executed in connection with the Trust, or (ii) requested by the Trustee, the Securities Administrator, any such Rating Agency or their respective counsels.

(b)

Each of the Trustee, the Securities Administrator and the Master Servicer hereby requests and authorizes its counsel to issue on behalf of such Person such legal opinions to the Depositor, GSMC and ▇▇▇▇▇▇▇, ▇▇▇▇▇ & Co. as may be required by any and all documents, certificates or agreements executed in connection with the establishment of the Trust and the issuance of the Certificates.

Section 5.02

Schedules and Exhibits.

Each of the Schedules and Exhibits attached hereto or referenced herein are incorporated herein by reference as contemplated by the Standard Terms. Each Class of Certificates shall be in substantially the form attached hereto, as set forth in the Exhibit index.

Section 5.03

Governing Law.

THIS TRUST AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK, WITHOUT REFERENCE TO ITS CONFLICT OF LAW PROVISIONS (OTHER THAN SECTION 5-1401 OF THE GENERAL OBLIGATIONS LAW), AND THE OBLIGATIONS, RIGHTS AND REMEDIES OF THE PARTIES HEREUNDER SHALL BE DETERMINED IN ACCORDANCE WITH SUCH LAWS.

Section 5.04

Counterparts.

This Trust Agreement may be executed in any number of counterparts, each of which so executed shall be deemed to be an original but all of such counterparts shall together constitute but one and the same instrument.

Section 5.05

Notices.

All demands and notices hereunder shall be in writing and shall be deemed to have been duly given if personally delivered at or mailed by first class mail, postage prepaid, or by express delivery service, to (a) in the case of the Depositor, ▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇ ▇▇▇▇, ▇▇▇ ▇▇▇▇ ▇▇▇▇▇, Attention: President (telecopy number (▇▇▇) ▇▇▇-▇▇▇▇ and email addresses: ▇▇▇▇▇▇.▇▇▇▇▇@▇▇.▇▇▇ and ▇▇▇▇▇▇.▇▇▇▇▇▇▇▇▇@▇▇.▇▇▇) or such other address, telecopy number or email address as may hereafter be furnished to each party to this Trust Agreement in writing by the Depositor; (b) in the case of the Trustee, ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇▇ ▇▇▇▇▇, ▇▇▇▇▇▇▇▇▇, ▇▇ ▇▇▇▇▇-▇▇▇▇, Attention: Corporate Trust Services or such other address or telecopy number as may hereafter be furnished to each party to this Trust Agreement in writing by the Trustee; (c) in the case of the Master Servicer, ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇, ▇▇▇▇▇▇▇▇, ▇▇▇▇ ▇▇▇▇▇-▇▇▇▇ or such other address, telecopy number or email address as may hereafter be furnished to each party to this Trust Agreement in writing by the Master Servicer; and (d) in the case of the Securities Administrator, ▇ ▇▇▇ ▇▇▇▇ ▇▇▇▇▇, ▇▇▇ ▇▇▇▇▇, ▇▇▇ ▇▇▇▇, ▇▇▇ ▇▇▇▇ 10004, Attention: Institutional Trust Services/Global Debt, GSR Mortgage Loan Trust 2005-4F, Telecopy: (▇▇▇) ▇▇▇-▇▇▇▇ or such other address, telecopy number or email address as may hereafter be furnished to each party to this Trust Agreement in writing by the Securities Administrator. The address of the rating agency required to be stated herein pursuant to Section 13.08(d) of the Standard Terms is ▇▇▇▇▇’▇ Investors Service, Inc., ▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇ ▇▇▇▇, ▇▇▇ ▇▇▇▇ ▇▇▇▇▇, and Standard and Poor’s Rating Services, ▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇ ▇▇▇▇, ▇▇▇ ▇▇▇▇ ▇▇▇▇▇.

[Signature page follows]

IN WITNESS WHEREOF, the Depositor, the Trustee, the Master Servicer, the Securities Administrator and the Custodian have caused this Trust Agreement to be duly executed by their respective officers thereunto duly authorized and their respective signatures duly attested all as of the day and year first above written.

GS MORTGAGE SECURITIES CORP.,

as Depositor

By: /s/ ▇▇▇▇ ▇▇▇▇▇

Name: ▇▇▇▇ ▇▇▇▇▇

Title: Vice President

WACHOVIA BANK, NATIONAL

ASSOCIATION,

not in its individual capacity, but solely in

its capacity as Trustee under this Trust

Agreement

By: /s/ ▇▇▇▇▇ ▇'▇▇▇▇▇ ▇▇▇▇▇▇▇

Name: ▇▇▇▇▇ ▇'▇▇▇▇▇-▇▇▇▇▇▇▇

Title: Vice President

JPMORGAN CHASE BANK, NATIONAL

ASSOCIATION,

as Master Servicer

By: /s/ ▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇

Name: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇

Title: Vice President

JPMORGAN CHASE BANK, NATIONAL

ASSOCIATION,

not in its individual capacity, but solely in

its capacity as Securities Administrator and

Custodian

By: /s/ ▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇

Name: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇

Title: Vice President

STATE OF NEW YORK

)

) ss.:

COUNTY OF NEW YORK

)

The foregoing instrument was acknowledged before me in the County of New York, this day of April 2005, by , for GS Mortgage Securities Corp., a Delaware corporation, on behalf of the corporation.

Notary Public

My Commission expires:

STATE OF

)

) ss.:

COUNTY OF

)

The foregoing instrument was acknowledged before me in the County of , this day of April 2005, by of Wachovia Bank, National Association, on behalf of the company.

Notary Public

My Commission expires:

STATE OF

)

) ss.:

COUNTY OF

)

On the of April 2005 before me, a Notary Public in and for said State, personally appeared _ known to me to be a of JPMorgan Chase Bank, National Association, the national banking association that executed the within instrument and also known to me to be the person who executed it on behalf of said corporation, and acknowledged to me that such corporation executed the within instrument.

IN WITNESS WHEREOF, I have hereunto set my hand and affixed my official seal the day and year in this certificate first above written.

Notary Public

My Commission expires:

STATE OF

)

) ss.:

COUNTY OF

)

The foregoing instrument was acknowledged before me in the County of , this ____ day of April 2005, by , of JPMorgan Chase Bank, National Association, on behalf of the company.

Notary Public

My Commission expires:

SCHEDULE I

Mortgage Loan Schedule

SCHEDULE II-A

Scheduled Amounts

Distribution Date	PAC 1 Scheduled Amount($)	PAC 2 Scheduled Amount($)	TAC Scheduled Amount($)
Closing Date	102,638,000.00	4,674,000.00	3,500,000.00
May 25, 2005	102,265,510.20	4,643,030.51	3,479,852.93
June 25, 2005	101,867,691.27	4,608,524.58	3,457,413.93
July 25, 2005	101,444,695.15	4,570,516.17	3,432,709.92
August 25, 2005	100,996,686.95	4,529,043.14	3,405,771.29
September 25, 2005	100,523,844.76	4,484,147.33	3,376,631.84
October 25, 2005	100,026,359.65	4,435,874.40	3,345,328.74
November 25, 2005	99,504,435.45	4,384,273.87	3,311,902.48
December 25, 2005	98,958,288.70	4,329,399.05	3,276,396.82
January 25, 2006	98,388,148.46	4,271,306.94	3,238,858.74
February 25, 2006	97,794,256.21	4,210,058.21	3,199,338.34
March 25, 2006	97,176,865.63	4,145,717.13	3,157,888.81
April 25, 2006	96,536,242.48	4,078,351.49	3,114,566.31
May 25, 2006	95,872,664.38	4,008,032.51	3,069,429.91
June 25, 2006	95,186,420.65	3,934,834.76	3,022,541.47
July 25, 2006	94,477,812.07	3,858,836.10	2,973,965.58
August 25, 2006	93,747,150.71	3,780,117.54	2,923,769.43
September 25, 2006	92,994,759.65	3,698,763.21	2,872,022.71
October 25, 2006	92,220,972.80	3,614,860.16	2,818,797.50
November 25, 2006	91,426,134.64	3,528,498.36	2,764,168.13
December 25, 2006	90,610,599.96	3,439,770.50	2,708,211.09
January 25, 2007	89,774,733.60	3,348,771.93	2,651,004.90
February 25, 2007	88,925,039.02	3,256,466.13	2,593,184.10
March 25, 2007	88,061,791.39	3,162,923.66	2,534,805.54
April 25, 2007	87,203,000.67	3,070,712.14	2,477,521.35
May 25, 2007	86,348,644.82	2,979,820.30	2,421,318.25
June 25, 2007	85,498,701.97	2,890,236.94	2,366,183.11
July 25, 2007	84,653,150.39	2,801,951.00	2,312,102.96
August 25, 2007	83,811,968.54	2,714,951.47	2,259,064.97
September 25, 2007	82,975,232.94	2,629,241.19	2,207,065.20
October 25, 2007	82,142,921.00	2,544,808.94	2,156,090.74
November 25, 2007	81,315,010.25	2,461,643.57	2,106,128.85
December 25, 2007	80,491,478.32	2,379,734.05	2,057,166.89
January 25, 2008	79,672,302.97	2,299,069.41	2,009,192.38
February 25, 2008	78,857,462.06	2,219,638.77	1,962,192.96
March 25, 2008	78,046,933.59	2,141,431.31	1,916,156.41
April 25, 2008	77,240,695.66	2,064,436.32	1,871,070.65
May 25, 2008	76,438,726.47	1,988,643.17	1,826,923.71
June 25, 2008	75,641,004.37	1,914,041.29	1,783,703.76
July 25, 2008	74,847,507.78	1,840,620.21	1,741,399.10
August 25, 2008	74,058,215.27	1,768,369.51	1,699,998.15
September 25, 2008	73,273,105.50	1,697,278.88	1,659,489.46
October 25, 2008	72,492,157.25	1,627,338.08	1,619,861.70
November 25, 2008	71,715,349.40	1,558,536.93	1,581,103.66
December 25, 2008	70,942,660.95	1,490,865.35	1,543,204.25
January 25, 2009	70,174,071.01	1,424,313.33	1,506,152.52
February 25, 2009	69,409,558.80	1,358,870.92	1,469,937.61
March 25, 2009	68,649,103.64	1,294,528.26	1,434,548.80
April 25, 2009	67,892,684.96	1,231,275.57	1,399,975.46
May 25, 2009	67,140,282.30	1,169,103.12	1,366,207.12
June 25, 2009	66,391,875.31	1,108,001.29	1,333,233.37
July 25, 2009	65,647,443.75	1,047,960.49	1,301,043.95
August 25, 2009	64,906,967.47	988,971.24	1,269,628.70
September 25, 2009	64,170,426.43	931,024.12	1,238,977.57
October 25, 2009	63,437,800.70	874,109.78	1,209,080.62
November 25, 2009	62,709,070.47	818,218.92	1,179,928.02
December 25, 2009	61,984,215.99	763,342.36	1,151,510.05
January 25, 2010	61,263,217.65	709,470.94	1,123,817.09
February 25, 2010	60,546,055.94	656,595.59	1,096,839.63
March 25, 2010	59,832,711.44	604,707.32	1,070,568.25
April 25, 2010	59,123,164.82	553,797.20	1,044,993.66
May 25, 2010	58,424,423.73	504,898.31	1,020,795.68
June 25, 2010	57,729,409.07	456,953.14	997,270.88
July 25, 2010	57,038,101.74	409,952.97	974,410.25
August 25, 2010	56,350,482.74	363,889.12	952,204.90
September 25, 2010	55,666,533.14	318,753.03	930,646.03
October 25, 2010	54,986,234.16	274,536.12	909,724.95
November 25, 2010	54,309,567.06	231,229.97	889,433.04
December 25, 2010	53,636,513.23	188,826.17	869,761.81
January 25, 2011	52,967,054.16	147,316.36	850,702.84
February 25, 2011	52,301,171.41	106,692.31	832,247.81
March 25, 2011	51,638,846.66	66,945.78	814,388.49
April 25, 2011	50,980,061.68	28,068.63	797,116.73
May 25, 2011	50,327,052.62	0.00	779,082.50
June 25, 2011	49,677,531.31	0.00	757,216.72
July 25, 2011	49,031,479.79	0.00	736,047.69
August 25, 2011	48,388,880.22	0.00	715,566.38
September 25, 2011	47,749,714.83	0.00	695,763.85
October 25, 2011	47,113,965.95	0.00	676,631.24
November 25, 2011	46,481,616.02	0.00	658,159.82
December 25, 2011	45,852,647.53	0.00	640,340.92
January 25, 2012	45,227,043.10	0.00	623,165.98
February 25, 2012	44,604,785.42	0.00	606,626.52
March 25, 2012	43,985,857.27	0.00	590,714.16
April 25, 2012	43,370,241.53	0.00	575,420.62
May 25, 2012	42,762,226.76	0.00	561,223.06
June 25, 2012	42,157,452.33	0.00	547,619.04
July 25, 2012	41,555,901.45	0.00	534,600.61
August 25, 2012	40,957,557.46	0.00	522,159.91
September 25, 2012	40,362,403.74	0.00	510,289.18
October 25, 2012	39,770,423.80	0.00	498,980.72
November 25, 2012	39,181,601.21	0.00	488,226.94
December 25, 2012	38,595,919.62	0.00	478,020.30
January 25, 2013	38,013,362.79	0.00	468,353.38
February 25, 2013	37,433,914.53	0.00	459,218.81
March 25, 2013	36,857,558.77	0.00	450,609.31
April 25, 2013	36,284,279.49	0.00	442,517.68
May 25, 2013	35,718,114.75	0.00	435,362.48
June 25, 2013	35,157,552.35	0.00	428,297.75
July 25, 2013	34,605,282.72	0.00	420,898.24
August 25, 2013	34,061,187.31	0.00	413,173.15
September 25, 2013	33,525,149.22	0.00	405,131.53
October 25, 2013	32,997,053.18	0.00	396,782.21
November 25, 2013	32,476,785.55	0.00	388,133.90
December 25, 2013	31,964,234.27	0.00	379,195.13
January 25, 2014	31,459,288.86	0.00	369,974.28
February 25, 2014	30,961,840.38	0.00	360,479.55
March 25, 2014	30,471,781.42	0.00	350,719.01
April 25, 2014	29,989,006.08	0.00	340,700.57
May 25, 2014	29,521,383.21	0.00	330,138.44
June 25, 2014	29,060,609.11	0.00	319,349.33
July 25, 2014	28,606,586.77	0.00	308,340.26
August 25, 2014	28,159,220.57	0.00	297,118.13
September 25, 2014	27,718,416.19	0.00	285,689.71
October 25, 2014	27,284,080.64	0.00	274,061.64
November 25, 2014	26,856,122.20	0.00	262,240.44
December 25, 2014	26,434,450.44	0.00	250,232.48
January 25, 2015	26,018,976.19	0.00	238,044.03
February 25, 2015	25,609,611.50	0.00	225,681.24
March 25, 2015	25,205,980.07	0.00	213,122.44
April 25, 2015	24,808,292.40	0.00	200,401.22
May 25, 2015	24,416,464.07	0.00	187,523.37
June 25, 2015	24,030,411.84	0.00	174,494.57
July 25, 2015	23,650,053.60	0.00	161,320.41
August 25, 2015	23,275,308.40	0.00	148,006.33
September 25, 2015	22,906,096.42	0.00	134,557.70
October 25, 2015	22,542,338.94	0.00	120,979.75
November 25, 2015	22,183,958.35	0.00	107,277.64
December 25, 2015	21,830,878.12	0.00	93,456.40
January 25, 2016	21,483,022.76	0.00	79,520.97
February 25, 2016	21,140,317.86	0.00	65,476.19
March 25, 2016	20,802,690.05	0.00	51,326.80
April 25, 2016	20,470,066.95	0.00	37,077.46
May 25, 2016	20,142,377.23	0.00	22,732.70
June 25, 2016	19,819,550.53	0.00	8,296.99
July 25, 2016	19,501,517.46	0.00	0.00
August 25, 2016	19,188,209.63	0.00	0.00
September 25, 2016	18,879,559.59	0.00	0.00
October 25, 2016	18,575,500.82	0.00	0.00
November 25, 2016	18,275,967.73	0.00	0.00
December 25, 2016	17,980,895.67	0.00	0.00
January 25, 2017	17,690,220.87	0.00	0.00
February 25, 2017	17,403,880.45	0.00	0.00
March 25, 2017	17,121,812.41	0.00	0.00
April 25, 2017	16,843,955.64	0.00	0.00
May 25, 2017	16,570,249.85	0.00	0.00
June 25, 2017	16,300,635.60	0.00	0.00
July 25, 2017	16,035,054.31	0.00	0.00
August 25, 2017	15,773,448.17	0.00	0.00
September 25, 2017	15,515,760.23	0.00	0.00
October 25, 2017	15,261,934.30	0.00	0.00
November 25, 2017	15,011,914.98	0.00	0.00
December 25, 2017	14,765,647.66	0.00	0.00
January 25, 2018	14,523,078.49	0.00	0.00
February 25, 2018	14,284,154.37	0.00	0.00
March 25, 2018	14,048,822.94	0.00	0.00
April 25, 2018	13,817,032.58	0.00	0.00
May 25, 2018	13,588,732.39	0.00	0.00
June 25, 2018	13,363,872.19	0.00	0.00
July 25, 2018	13,142,402.48	0.00	0.00
August 25, 2018	12,924,274.49	0.00	0.00
September 25, 2018	12,709,440.11	0.00	0.00
October 25, 2018	12,497,851.90	0.00	0.00
November 25, 2018	12,289,463.10	0.00	0.00
December 25, 2018	12,084,227.60	0.00	0.00
January 25, 2019	11,882,099.94	0.00	0.00
February 25, 2019	11,683,035.29	0.00	0.00
March 25, 2019	11,486,989.46	0.00	0.00
April 25, 2019	11,293,918.87	0.00	0.00
May 25, 2019	11,103,780.56	0.00	0.00
June 25, 2019	10,916,532.17	0.00	0.00
July 25, 2019	10,732,131.94	0.00	0.00
August 25, 2019	10,550,538.68	0.00	0.00
September 25, 2019	10,371,711.81	0.00	0.00
October 25, 2019	10,195,611.29	0.00	0.00
November 25, 2019	10,022,197.65	0.00	0.00
December 25, 2019	9,851,432.00	0.00	0.00
January 25, 2020	9,683,275.96	0.00	0.00
February 25, 2020	9,517,691.72	0.00	0.00
March 25, 2020	9,354,641.98	0.00	0.00
April 25, 2020	9,194,089.98	0.00	0.00
May 25, 2020	9,035,999.47	0.00	0.00
June 25, 2020	8,880,334.72	0.00	0.00
July 25, 2020	8,727,060.50	0.00	0.00
August 25, 2020	8,576,142.06	0.00	0.00
September 25, 2020	8,427,545.16	0.00	0.00
October 25, 2020	8,281,236.04	0.00	0.00
November 25, 2020	8,137,181.41	0.00	0.00
December 25, 2020	7,995,348.46	0.00	0.00
January 25, 2021	7,855,704.82	0.00	0.00
February 25, 2021	7,718,218.61	0.00	0.00
March 25, 2021	7,582,858.36	0.00	0.00
April 25, 2021	7,449,593.09	0.00	0.00
May 25, 2021	7,318,392.22	0.00	0.00
June 25, 2021	7,189,225.62	0.00	0.00
July 25, 2021	7,062,063.59	0.00	0.00
August 25, 2021	6,936,876.83	0.00	0.00
September 25, 2021	6,813,636.48	0.00	0.00
October 25, 2021	6,692,314.06	0.00	0.00
November 25, 2021	6,572,881.52	0.00	0.00
December 25, 2021	6,455,311.18	0.00	0.00
January 25, 2022	6,339,575.79	0.00	0.00
February 25, 2022	6,225,648.44	0.00	0.00
March 25, 2022	6,113,502.64	0.00	0.00
April 25, 2022	6,003,112.26	0.00	0.00
May 25, 2022	5,894,451.52	0.00	0.00
June 25, 2022	5,787,495.04	0.00	0.00
July 25, 202022	5,682,217.79	0.00	0.00
August 25, 2022	5,578,595.08	0.00	0.00
September 25, 2022	5,476,602.58	0.00	0.00
October 25, 2022	5,376,216.30	0.00	0.00
November 25, 2022	5,277,412.62	0.00	0.00
December 25, 2022	5,180,168.21	0.00	0.00
January 25, 2023	5,084,460.10	0.00	0.00
February 25, 2023	4,990,265.63	0.00	0.00
March 25, 2023	4,897,562.49	0.00	0.00
April 25, 2023	4,806,328.66	0.00	0.00
May 25, 2023	4,716,542.44	0.00	0.00
June 25, 2023	4,628,182.44	0.00	0.00
July 25, 2023	4,541,227.57	0.00	0.00
August 25, 2023	4,455,657.06	0.00	0.00
September 25, 2023	4,371,450.41	0.00	0.00
October 25, 2023	4,288,587.43	0.00	0.00
November 25, 2023	4,207,048.21	0.00	0.00
December 25, 2023	4,126,813.11	0.00	0.00
January 25, 2024	4,047,862.81	0.00	0.00
February 25, 2024	3,970,178.21	0.00	0.00
March 25, 2024	3,893,740.54	0.00	0.00
April 25, 2024	3,818,531.26	0.00	0.00
May 25, 2024	3,744,532.10	0.00	0.00
June 25, 2024	3,671,725.06	0.00	0.00
July 25, 2024	3,600,092.39	0.00	0.00
August 25, 2024	3,529,616.61	0.00	0.00
September 25, 2024	3,460,280.46	0.00	0.00
October 25, 2024	3,392,066.96	0.00	0.00
November 25, 2024	3,324,959.34	0.00	0.00
December 25, 2024	3,258,941.09	0.00	0.00
January 25, 2025	3,193,995.94	0.00	0.00
February 25, 2025	3,130,107.85	0.00	0.00
March 25, 2025	3,067,260.99	0.00	0.00
April 25, 2025	3,005,439.78	0.00	0.00
May 25, 2025	2,944,628.85	0.00	0.00
June 25, 2025	2,884,813.07	0.00	0.00
July 25, 2025	2,825,977.51	0.00	0.00
August 25, 2025	2,768,107.44	0.00	0.00
September 25, 2025	2,711,188.38	0.00	0.00
October 25, 2025	2,655,206.02	0.00	0.00
November 25, 2025	2,600,146.29	0.00	0.00
December 25, 2025	2,545,995.28	0.00	0.00
January 25, 2026	2,492,739.33	0.00	0.00
February 25, 2026	2,440,364.94	0.00	0.00
March 25, 2026	2,388,858.81	0.00	0.00
April 25, 2026	2,338,207.84	0.00	0.00
May 25, 2026	2,288,399.12	0.00	0.00
June 25, 2026	2,239,419.91	0.00	0.00
July 25, 2026	2,191,257.68	0.00	0.00
August 25, 2026	2,143,900.05	0.00	0.00
September 25, 2026	2,097,334.85	0.00	0.00
October 25, 2026	2,051,550.05	0.00	0.00
November 25, 2026	2,006,533.82	0.00	0.00
December 25, 2026	1,962,274.51	0.00	0.00
January 25, 2027	1,918,760.60	0.00	0.00
February 25, 2027	1,875,980.76	0.00	0.00
March 25, 2027	1,833,923.84	0.00	0.00
April 25, 2027	1,792,578.81	0.00	0.00
May 25, 2027	1,751,934.84	0.00	0.00
June 25, 2027	1,711,981.24	0.00	0.00
July 25, 2027	1,672,707.46	0.00	0.00
August 25, 2027	1,634,103.12	0.00	0.00
September 25, 2027	1,596,158.00	0.00	0.00
October 25, 2027	1,558,862.01	0.00	0.00
November 25, 2027	1,522,205.21	0.00	0.00
December 25, 2027	1,486,177.80	0.00	0.00
January 25, 2028	1,450,770.14	0.00	0.00
February 25, 2028	1,415,972.71	0.00	0.00
March 25, 2028	1,381,776.14	0.00	0.00
April 25, 2028	1,348,171.20	0.00	0.00
May 25, 2028	1,315,148.77	0.00	0.00
June 25, 2028	1,282,699.89	0.00	0.00
July 25, 2028	1,250,815.72	0.00	0.00
August 25, 2028	1,219,487.55	0.00	0.00
September 25, 2028	1,188,706.79	0.00	0.00
October 25, 2028	1,158,464.99	0.00	0.00
November 25, 2028	1,128,753.80	0.00	0.00
December 25, 2028	1,099,565.02	0.00	0.00
January 25, 2029	1,070,890.55	0.00	0.00
February 25, 2029	1,042,722.41	0.00	0.00
March 25, 2029	1,015,052.74	0.00	0.00
April 25, 2029	987,873.80	0.00	0.00
May 25, 2029	961,177.96	0.00	0.00
June 25, 2029	934,957.69	0.00	0.00
July 25, 2029	909,205.59	0.00	0.00
August 25, 2029	883,914.35	0.00	0.00
September 25, 2029	859,076.79	0.00	0.00
October 25, 2029	834,685.80	0.00	0.00
November 25, 2029	810,734.41	0.00	0.00
December 25, 2029	787,215.73	0.00	0.00
January 25, 2030	764,122.98	0.00	0.00
February 25, 2030	741,449.48	0.00	0.00
March 25, 2030	719,188.64	0.00	0.00
April 25, 2030	697,333.98	0.00	0.00
May 25, 2030	675,879.11	0.00	0.00
June 25, 2030	654,817.72	0.00	0.00
July 25, 2030	634,143.61	0.00	0.00
August 25, 2030	613,850.68	0.00	0.00
September 25, 2030	593,932.88	0.00	0.00
October 25, 2030	574,384.30	0.00	0.00
November 25, 2030	555,199.08	0.00	0.00
December 25, 2030	536,371.47	0.00	0.00
January 25, 2031	517,895.78	0.00	0.00
February 25, 2031	499,766.42	0.00	0.00
March 25, 2031	481,977.89	0.00	0.00
April 25, 2031	464,524.76	0.00	0.00
May 25, 2031	447,401.67	0.00	0.00
June 25, 2031	430,603.37	0.00	0.00
July 25, 2031	414,124.66	0.00	0.00
August 25, 2031	397,960.43	0.00	0.00
September 25, 2031	382,105.64	0.00	0.00
October 25, 2031	366,555.33	0.00	0.00
November 25, 2031	351,304.61	0.00	0.00
December 25, 2031	336,348.66	0.00	0.00
January 25, 2032	321,682.74	0.00	0.00
February 25, 2032	307,302.18	0.00	0.00
March 25, 2032	293,202.37	0.00	0.00
April 25, 2032	279,378.77	0.00	0.00
May 25, 2032	265,826.92	0.00	0.00
June 25, 2032	252,542.42	0.00	0.00
July 25, 2032	239,520.92	0.00	0.00
August 25, 2032	226,758.17	0.00	0.00
September 25, 2032	214,249.95	0.00	0.00
October 25, 2032	201,992.11	0.00	0.00
November 25, 2032	189,980.58	0.00	0.00
December 25, 2032	178,211.33	0.00	0.00
January 25, 2033	166,680.41	0.00	0.00
February 25, 2033	155,383.91	0.00	0.00
March 25, 2033	144,317.99	0.00	0.00
April 25, 2033	133,478.86	0.00	0.00
May 25, 2033	122,862.80	0.00	0.00
June 25, 2033	112,466.12	0.00	0.00
July 25, 2033	102,285.23	0.00	0.00
August 25, 2033	92,316.55	0.00	0.00
September 25, 2033	82,556.57	0.00	0.00
October 25, 2033	73,001.84	0.00	0.00
November 25, 2033	63,648.95	0.00	0.00
December 25, 2033	54,494.55	0.00	0.00
January 25, 2034	45,535.34	0.00	0.00
February 25, 2034	36,768.07	0.00	0.00
March 25, 2034	28,189.54	0.00	0.00
April 25, 2034	19,796.58	0.00	0.00
May 25, 2034	11,586.10	0.00	0.00
June 25, 2034	5,491.93	0.00	0.00
July 25, 2034	0.00	0.00	0.00

EXHIBIT A

Form of Certificates

GSR MORTGAGE LOAN TRUST 2005-4F MORTGAGE PASS-THROUGH CERTIFICATES SERIES 2005-4F MASTER SERVICING and TRUST AGREEMENT among

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Document Metadata

Table of Contents