
                                    UNITED STATES
                           SECURITIES AND EXCHANGE COMMISSION
                                 Washington, D.C.  20549


                                        FORM 8-K


                     Current Report Pursuant To Section 13 or 15(d) of
                            the Securities Exchange Act of 1934

           Date of Report (Date of earliest event reported):  June 27, 2005
                            (Date of earliest event reported)

            GS Mortgage Securities Corp (as Depositor under the
              Pooling and Servicing Agreement, dated as March 1, 2005,
          providing for the issuance of GSAMP Trust 2004-AR1
              Mortgage Pass-Through Certificates, Series 2005-S1)
                 (Exact name of registrant as specified in charter)

                                       DELAWARE
                     (State or Other Jurisdiction of Incorporation)

               333-120274-16                          06-1442101
          (Commission File Number)        (I.R.S. Employer Identification No.)


               85 Broad Street
               New York, New York                        10004
          (Address of principal executive offices)     (Zip Code)


          Registrant's Telephone Number, Including Area Code:  (212) 902-1000


         (Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any
of the following provisions (see General Instruction A.2. below):

[  ] Written communications pursuant to Rule 425 under the Securities Act
(17 CFR 230.425)

[  ] Soliciting material pursuant to Rule 14a-12(b) under the Exchange Act
(17 CFR 240.14a-12(b))

[  ] Pre-commencement communications pursuant to Rule 14d-2(b) under the
Exchange Act (17 CFR 240.14d-2(b))

[  ] Pre-commencement communications pursuant to Rule 13e-4(c) under the
Exchange Act (17 CFR 240.13e-4(c))


     Item 8.01  Other Events

     Attached hereto is a copy of the Monthly Remittance Statements to the
     Certificateholders which was derived from the monthly information
     submitted by the Master Servicer of the Trust to the Trustee.


     Item 9.01 Financial Statements and Exhibits

     (c) Exhibits:

     Exhibit No. Description

     99.1 Monthly Remittance Statement to the Certificateholders dated as of
     June 27, 2005.

                                    Signatures

               Pursuant to the requirements of the Securities Exchange Act of
          1934, the Registrant has duly caused this report to be signed on its
          behalf by the undersigned, hereunto duly authorized.

                                   Deutsche Bank National Trust Company,
                                  in its capacity as Trustee under the
                                  Pooling and Servicing Agreement on
                                  behalf of GS Mortgage Securities Corp,
                                  Registrant


          Date:  Jun 30, 2005               By:  /s/  Katherine M. Wannenmacher
                                            Katherine M. Wannenmacher
                                            Vice President


                                   EXHIBIT INDEX

          DOCUMENT

          99.1 Monthly Remittance Statement to the Certificateholders
          dated as of June 27, 2005.



GSAMP Trust 2005-S1

Asset Backed Certificates
Asset Backed Certificates
2005-S1

June 27, 2005 Distribution

				External Parties						Table of Contents

													Page
				Seller									Page
				Seller						1. Certificate Payment Report					2
				Goldman Sachs Mortgage Securities						1. Certificate Payment Report					2
				Goldman Sachs Mortgage Securities						2. Collection Account Report					4
										2. Collection Account Report					4
										3. Credit Enhancement Report					6
										4. Collateral Report					7
				Certificate Insurer(s)						5. Delinquency Report					10
				Certificate Insurer(s)						5. Delinquency Report					10
										6. REO Report					11

										7. Foreclosure Report					12
										8. Prepayment Report					13
										9. Prepayment Detail Report					16
										9. Prepayment Detail Report					16
										10. Realized Loss Report					21
										11. Realized Loss Detail Report					24
				Servicer(s)						11. Realized Loss Detail Report					24
				Servicer(s)						12. Triggers and Adj. Cert. Report					25
				Wilshire Credit Corp						12. Triggers and Adj. Cert. Report					25
				Wilshire Credit Corp


				Underwriter(s)
				Goldman Sachs & Co.


										Total Number of Pages					25
										Total Number of Pages

				Dates						Contacts

				Cut-Off Date:			March 01, 2005			Hang Luu
				Close Date:			April 07, 2005			Administrator
				First Distribution Date:			April 25, 2005			(714) 247-6000
										hang-thai.luu@db.com
										hang-thai.luu@db.com
										Address:
										1761 East St. Andrew Place, Santa Ana, CA 92705
				Distribution Date:			June 27, 2005
										Factor Information:			(800) 735-7777
				Record Date:			May 31, 2005			Factor Information:			(800) 735-7777
										Main Phone Number:			(714) 247-6000

							June 24, 2005
							June 24, 2005

										https://www.tss.db.com/invr






Page 1 of 25
GSAMP Trust 2005-S1

Asset Backed Certificates
Asset Backed Certificates
2005-S1

June 27, 2005 Distribution
Certificate Payment Report
Current Period Distribution -
					Prior												Current
	Class		Original		Principal						Total		Realized		Deferred		Principal
	Class		Original		Principal						Total		Realized		Deferred		Principal
Class	Type	Cur	Face Value		Balance		Interest		Principal		Distribution		Loss		Interest		Balance


					(1)		(2)		(3)		(4)=(2)+(3)		(5)		(6)		(7)=(1)-(3)-(5)+(6)

A	FLT/STEP/AF	$	187,366,000.00		168,286,915.46		502,897.40		10,300,417.62		10,803,315.02		0.00		0.00		157,986,497.84
A	FLT/STEP/AF	$	187,366,000.00		168,286,915.46		502,897.40		10,300,417.62		10,803,315.02		0.00		0.00		157,986,497.84
M-1	FLT/STEP/AF	$	21,530,000.00		21,530,000.00		70,259.57		0.00		70,259.57		0.00		0.00		21,530,000.00
M-2	FIX/STEP/AF	$	19,993,000.00		19,993,000.00		98,082.33		0.00		98,082.33		0.00		0.00		19,993,000.00
B-1	FIX/STEP/AF	$	16,917,000.00		16,917,000.00		87,517.28		0.00		87,517.28		0.00		0.00		16,917,000.00
B-2	FIX/STEP/AF	$	4,742,000.00		4,742,000.00		25,875.51		0.00		25,875.51		0.00		0.00		4,742,000.00
B-3	FIX/STEP/AF	$	5,510,000.00		5,510,000.00		30,993.75		0.00		30,993.75		0.00		0.00		5,510,000.00
X	WAC/EXE	$	257,157.56		1,554,525.11		0.00		0.00		0.00		17,480.81		1,187,211.87		2,724,256.17
X-1	FIX	$	0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00
P	EXE	$	0.00		0.00		249,527.10		0.00		249,527.10		0.00		0.00		0.00
R-1	FIX/NPR	$	0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00
R-2	FIX/NPR	$	0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00



Total			256,315,157.56		238,533,440.57		1,065,152.94		10,300,417.62		11,365,570.56		17,480.81		1,187,211.87		229,402,754.01
Total




Interest Accrual Detail Current Period Factor Information per $1,000 of Original Face-
									Orig. Principal		Prior							Current
									Orig. Principal		Prior							Current
	Period		Period						(with Notional)		Principal						Total	Principal
	Period		Period
Class	Starting		Ending		Method		Cusip		Balance		Balance		Interest		Principal		Distribution	Balance

									(1)		(1)		(2)		(3)		(4)=(2)+(3)	(5)
A	05/25/05		06/26/05		A-Act/360		36242DB69		187,366,000.00		898.172109		2.684038		54.974849		57.658887	843.197260
M-1	05/25/05		06/26/05		A-Act/360		36242DB77		21,530,000.00		1,000.000000		3.263333		0.000000		3.263333	1,000.000000
M-2	05/01/05		05/30/05		F-30/360		36242DB85		19,993,000.00		1,000.000000		4.905834		0.000000		4.905834	1,000.000000
B-1	05/01/05		05/30/05		F-30/360		36242DB93		16,917,000.00		1,000.000000		5.173333		0.000000		5.173333	1,000.000000
B-2	05/01/05		05/30/05		F-30/360		36242DC27		4,742,000.00		1,000.000000		5.456666		0.000000		5.456666	1,000.000000
B-3	05/01/05		05/30/05		F-30/360		36242DC35		5,510,000.00		1,000.000000		5.625000		0.000000		5.625000	1,000.000000
X	05/01/05		05/30/05		F-30/360		36242DC43		257,157.56		6,045.029786		0.000000		0.000000		0.000000	10,593.723824
X-1	05/01/05		05/30/05		F-30/360		36242DC50		0.00		0.000000		0.000000		0.000000		0.000000	0.000000
P	05/01/05		05/30/05		F-30/360		36242DC68		0.00		0.000000		0.000000		0.000000		0.000000	0.000000
R-1	05/01/05		05/30/05		F-30/360		36242DC76		0.00		0.000000		0.000000		0.000000		0.000000	0.000000
R-2	05/01/05		05/30/05		F-30/360		36242DR21		0.00		0.000000		0.000000		0.000000		0.000000	0.000000





Page 2 of 25
GSAMP Trust 2005-S1

Asset Backed Certificates
Asset Backed Certificates
2005-S1

June 27, 2005 Distribution

Distribution to Date -
																	Current


	Original				Unscheduled		Scheduled		Total		Total		Realized		Deferred		Principal

Class	Face Value		Interest		Principal		Principal		Principal		Distribution		Loss		Interest		Balance
	(1)		(2)		(3)		(4)		(5)=(3)+(4)		(6)=(2)+(5)		(7)		(8)		(9)=(1)-(5)-(7)+(8)
A	187,366,000.00		1,263,172.59		28,750,062.48		629,439.68		29,379,502.16		30,642,674.75		0.00		0.00		157,986,497.84
M-1	21,530,000.00		169,046.39		0.00		0.00		0.00		169,046.39		0.00		0.00		21,530,000.00
M-2	19,993,000.00		294,246.99		0.00		0.00		0.00		294,246.99		0.00		0.00		19,993,000.00
B-1	16,917,000.00		262,551.84		0.00		0.00		0.00		262,551.84		0.00		0.00		16,917,000.00
B-2	4,742,000.00		77,626.53		0.00		0.00		0.00		77,626.53		0.00		0.00		4,742,000.00
B-3	5,510,000.00		92,981.25		0.00		0.00		0.00		92,981.25		0.00		0.00		5,510,000.00
X	257,157.56		1,590,078.08		-2,431,088.55		-53,490.87		0.00		1,590,078.08		17,480.81		2,484,579.42		2,724,256.17
X-1	0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00
P	0.00		700,770.23		0.00		0.00		0.00		700,770.23		0.00		0.00		0.00
R-1	0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00
R-2	0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00



Total	256,315,157.56		4,450,473.90		26,318,973.93		575,948.81		29,379,502.16		33,829,976.06		17,480.81		2,484,579.42		229,402,754.01


Interest Detail -
	Pass		Prior Principal				Non-		Prior		Unscheduled				Paid or		Current
	Pass		Prior Principal				Non-		Prior		Unscheduled				Paid or

	Through		(with Notional)		Accrued		Supported		Unpaid		Interest		Optimal		Deferred		Unpaid

Class	Rate		Balance		Interest		Interest SF		Interest		Adjustment		Interest		Interest		Interest
					(1)		(2)		(3)		(4)		(5)=(1)-(2)+(3)+(4)		(6)		(7)=(5)-(6)
A	3.26000%		168,286,915.46		502,897.40		0.00		0.00		0.00		502,897.40		502,897.40		0.00
M-1	3.56000%		21,530,000.00		70,259.57		0.00		0.00		0.00		70,259.57		70,259.57		0.00
M-2	5.88700%		19,993,000.00		98,082.33		0.00		0.00		0.00		98,082.33		98,082.33		0.00
B-1	6.20800%		16,917,000.00		87,517.28		0.00		0.00		0.00		87,517.28		87,517.28		0.00
B-2	6.54800%		4,742,000.00		25,875.51		0.00		0.00		0.00		25,875.51		25,875.51		0.00
B-3	6.75000%		5,510,000.00		30,993.75		0.00		0.00		0.00		30,993.75		30,993.75		0.00
X	916.45624%		1,554,525.11		0.00		0.00		0.00		0.00		0.00		1,187,211.87		0.00
X-1	0.00000%		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00
P	0.00000%		0.00		0.00		0.00		0.00		0.00		0.00		249,527.10		0.00
R-1	0.00000%		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00
R-2	0.00000%		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00



Total			238,533,440.57		815,625.84		0.00		0.00		0.00		815,625.84		2,252,364.81		0.00



Page 3 of 25
GSAMP Trust 2005-S1

Asset Backed Certificates
Asset Backed Certificates
2005-S1

June 27, 2005 Distribution
Collection Account Report
SUMMARY
SUMMARY
														Total
Principal Collections														9,113,205.75
Principal Withrawals														0.00
Principal Other Accounts														0.00
TOTAL NET PRINCIPAL														9,113,205.75
Interest Collections														2,020,716.54
Interest Withdrawals														-2,218.90
Interest Other Accounts														249,527.10
Interest Fees														-15,659.93
TOTAL NET INTEREST														2,252,364.81
TOTAL AVAILABLE FUNDS FOR DISTRIBUTION														11,365,570.56



PRINCIPAL - COLLECTIONS
PRINCIPAL - COLLECTIONS
															Total
Scheduled Principal Received															187,180.08
Prepayments In Full															8,768,784.21
Curtailments															141,572.19
Liquidations															33,150.08
Insurance Principal															0.00
Repurchased Principal Amounts															0.00
Other Principal															0.00
Total Realized Loss Of Principal															-17,480.81
Delinquent Principal															-165,999.54
Advanced Principal															165,999.54
TOTAL PRINCIPAL COLLECTED															9,113,205.75


PRINCIPAL - WITHDRAWALS

SPACE INTENTIONALLY LEFT BLANK



PRINCIPAL - OTHER ACCOUNTS
PRINCIPAL - OTHER ACCOUNTS
														Total
TOTAL OTHER ACCOUNTS PRINCIPAL														0.00





Page 4 of 25
GSAMP Trust 2005-S1

Asset Backed Certificates
Asset Backed Certificates
2005-S1

June 27, 2005 Distribution

INTEREST - COLLECTIONS
INTEREST - COLLECTIONS
														Total
Scheduled Interest														2,106,148.79
Liquidation Interest														284.54
Repurchased Interest														0.00
Insurance Interest														0.00
Other Interest														0.00
Relief Act Interest Shortfalls														-0.00
Prepayment Interest Shortfalls														-9,202.58
Compensating Interest														9,202.58
Delinquent Interest														-1,817,411.07
Interest Advanced														1,731,694.28
TOTAL INTEREST COLLECTED														2,020,716.54


INTEREST - WITHDRAWALS
INTEREST - WITHDRAWALS
														Total
Nonrecoverable Advances
Servicer Expenses														2,218.90
TOTAL INTEREST WITHDRAWALS														2,218.90



INTEREST - OTHER ACCOUNTS
INTEREST - OTHER ACCOUNTS
														Total
Prepayment Charges														249,527.10
TOTAL INTEREST OTHER ACCOUNTS														249,527.10



INTEREST - FEES
INTEREST - FEES
														Total
Current Servicing Fees														13,672.15
Current Trustee Fees														1,987.78
TOTAL INTEREST OTHER FEES														15,659.93




Page 5 of 25
GSAMP Trust 2005-S1

Asset Backed Certificates
Asset Backed Certificates
2005-S1

June 27, 2005 Distribution
Credit Enhancement Report
ACCOUNTS
ACCOUNTS
														Total
Excess Reserve Fund Begining Balance														0.00
Excess Reserve Fund Amount Deposited														0.00
Excess Reserve Fund Amount Withdrawn														0.00
Excess Reserve Fund Ending Balance														0.00



INSURANCE

SPACE INTENTIONALLY LEFT BLANK



STRUCTURAL FEATURES
STRUCTURAL FEATURES
														Total
Overcollateralization Amount														2,724,256.17
Overcollateralization Target Amount														14,353,648.82
Overcollateralization Deficiency Amount														12,816,604.52
Overcollateralization Release Amount														0.00




Page 6 of 25
GSAMP Trust 2005-S1

Asset Backed Certificates
Asset Backed Certificates
2005-S1

June 27, 2005 Distribution
Collateral Report


COLLATERAL



															Total



Loan Count:


Original														5,001
Prior														4,692
Prefunding														0
Scheduled Paid Offs														-2
Full Voluntary Prepayments														-158
Repurchases														-0
Liquidations														-1
Current														4,531
Principal Balance:


Original														256,315,157.56
Prior														238,533,440.57
Prefunding														0.00
Scheduled Principal														-187,180.08
Partial Prepayments														-141,572.19
Full Voluntary Prepayments														-8,768,784.21
Repurchases														-0.00
Liquidations														-33,150.08
Current														229,402,754.01





PREFUNDING

SPACE INTENTIONALLY LEFT BLANK






Page 7 of 25
GSAMP Trust 2005-S1

Asset Backed Certificates
Asset Backed Certificates
2005-S1

June 27, 2005 Distribution

CHARACTERISTICS
CHARACTERISTICS
														Total
Weighted Average Coupon Original														10.60096%
Weighted Average Coupon Prior														10.59787%
Weighted Average Coupon Current														10.59692%
Weighted Average Months to Maturity Original														304
Weighted Average Months to Maturity Prior														303
Weighted Average Months to Maturity Current														302
Weighted Avg Remaining Amortization Term Original														304
Weighted Avg Remaining Amortization Term Prior														303
Weighted Avg Remaining Amortization Term Current														302
Weighted Average Seasoning Original														7.25
Weighted Average Seasoning Prior														8.24
Weighted Average Seasoning Current														9.23









Page 8 of 25
GSAMP Trust 2005-S1

Asset Backed Certificates
Asset Backed Certificates
2005-S1

June 27, 2005 Distribution

ARM CHARACTERISTICS
ARM CHARACTERISTICS
														Total
Weighted Average Margin Original														0.00000%
Weighted Average Margin Prior														0.00000%
Weighted Average Margin Current														0.00000%
Weighted Average Max Rate Original														0.00000%
Weighted Average Max Rate Prior														0.00000%
Weighted Average Max Rate Current														0.00000%
Weighted Average Min Rate Original														0.00000%
Weighted Average Min Rate Prior														0.00000%
Weighted Average Min Rate Current														0.00000%
Weighted Average Cap Up Original														0.00000%
Weighted Average Cap Up Prior														0.00000%
Weighted Average Cap Up Current														0.00000%
Weighted Average Cap Down Original														0.00000%
Weighted Average Cap Down Prior														0.00000%
Weighted Average Cap Down Current														0.00000%




SERVICING FEES & ADVANCES

															Total




Current Servicing Fees														13,672.15
Delinquent Servicing Fees														85,716.79
TOTAL SERVICING FEES														99,388.94


Compensating Interest														-9,202.58
Delinquent Servicing Fees														-85,716.79
COLLECTED SERVICING FEES														4,469.58


Aggregate Advances with respect to this Distribution														1,897,693.82





ADDITIONAL COLLATERAL INFORMATION
														Total
Net Prepayment Interest Shortfall														0.00

Current LIBOR Rate														3.090000%

Next LIBOR Rate														3.314380%




Page 9 of 25
GSAMP Trust 2005-S1

Asset Backed Certificates
Asset Backed Certificates
2005-S1

June 27, 2005 Distribution
Delinquency Report

	TOTAL
					< 1 PAYMENT		1 PAYMENT		2 PAYMENTS		3+ PAYMENTS		TOTAL
	DELINQUENT		Balance				2,460,976.04		1,266,857.67		791,921.98		4,519,755.69
			% Balance				1.07%		0.55%		0.35%		1.97%
			# Loans				43		26		15		84
			% # Loans				0.95%		0.57%		0.33%		1.85%
	FORECLOSURE		Balance		0.00		0.00		0.00		0.00		0.00
			% Balance		0.00%		0.00%		0.00%		0.00%		0.00%
			# Loans		0		0		0		0		0
			% # Loans		0.00%		0.00%		0.00%		0.00%		0.00%
	BANKRUPTCY		Balance		1,187,244.69		45,379.91		0.00		192,308.79		1,424,933.39
			% Balance		0.52%		0.02%		0.00%		0.08%		0.62%
			# Loans		28		1		0		2		31
			% # Loans		0.62%		0.02%		0.00%		0.04%		0.68%
	REO		Balance		0.00		0.00		0.00		0.00		0.00
			% Balance		0.00%		0.00%		0.00%		0.00%		0.00%
			# Loans		0		0		0		0		0
			% # Loans		0.00%		0.00%		0.00%		0.00%		0.00%
	TOTAL		Balance		1,187,244.69		2,506,355.95		1,266,857.67		984,230.77		5,944,689.08
			% Balance		0.52%		1.09%		0.55%		0.43%		2.59%
			# Loans		28		44		26		17		115
			% # Loans		0.62%		0.97%		0.57%		0.38%		2.54%









Page 10 of 25
GSAMP Trust 2005-S1

Asset Backed Certificates
Asset Backed Certificates
2005-S1

June 27, 2005 Distribution
REO Report
Loan Number			Original		Stated				Current		State &

														First
&			Principal		Principal		Paid to		Note		LTV at		Original		Payment

Loan Group			Balance		Balance		Date		Rate		Origination		Term		Date




TOTAL



Page 11 of 25
GSAMP Trust 2005-S1

Asset Backed Certificates
Asset Backed Certificates
2005-S1

June 27, 2005 Distribution
Foreclosure Report
Loan Number			Original		Stated				Current		State &

														First
&			Principal		Principal		Paid to		Note		LTV at		Original		Payment

Loan Group			Balance		Balance		Date		Rate		Origination		Term		Date




TOTAL



Page 12 of 25
GSAMP Trust 2005-S1

Asset Backed Certificates
Asset Backed Certificates
2005-S1

June 27, 2005 Distribution
Prepayment Report

VOLUNTARY PREPAYMENTS
VOLUNTARY PREPAYMENTS

															Total




Current


Number of Paid in Full Loans														158
Number of Repurchased Loans														0
Total Number of Loans Prepaid in Full														158
Curtailments Amount														141,572.19
Paid in Full Balance														8,768,784.21
Repurchased Loans Balance														0.00
Total Prepayment Amount														8,910,356.40

Cumulative


Number of Paid in Full Loans														464
Number of Repurchased Loans														0
Total Number of Loans Prepaid in Full														464
Paid in Full Balance														25,920,184.03
Repurchased Loans Balance														0.00
Curtailments Amount														383,120.63
Total Prepayment Amount														26,303,304.66










Page 13 of 25
GSAMP Trust 2005-S1

Asset Backed Certificates
Asset Backed Certificates
2005-S1

June 27, 2005 Distribution

VOLUNTARY PREPAYMENTS RATES
VOLUNTARY PREPAYMENTS RATES

															Total



SMM														3.75%
3 Months Avg SMM														3.56%
12 Months Avg SMM														3.56%
Avg SMM Since Cut-off														3.56%


CPR														36.80%
3 Months Avg CPR														35.23%
12 Months Avg CPR														35.23%
Avg CPR Since Cut-off														35.23%


PSA														1,994.13%
3 Months Avg PSA Approximation														2,138.66%
12 Months Avg PSA Approximation														2,138.66%
Avg PSA Since Cut-off Approximation														2,138.66%










Page 14 of 25
GSAMP Trust 2005-S1

Asset Backed Certificates
Asset Backed Certificates
2005-S1

June 27, 2005 Distribution






PREPAYMENT CALCULATION METHODOLOGY

Single Monthly Mortality (SMM): (Voluntary partial and full prepayments + Repurchases + Liquidations )/(Beg Principal Balance - Sched Principal) Conditional Prepayment Rate (CPR): 1-((1-SMM)^12) PSA Standard Prepayment Model: CPR/(0.002min(30,WAS)) Average SMM over period between nth month and mth month (AvgSMMn,m): [(1-SMMn)(1-SMMn+1)...(1-SMMm)]^(1/months in period n,m) Conditional Prepayment Rate (CPR): 1-((1-SMM)^12) Average PSA Approximation over period between the nth month and mth month: AvgCPRn,m/(0.002*Avg WASn,m)) Average WASn,m: (min(30,WASn)+min(30,WASn+1)+...+min(30,WASm)/(number of months in the period n,m) Weighted Average Seasoning (WAS) Dates correspond to distribution dates. Note: Prepayment rates are calculated since deal issue date and include partial and full voluntary prepayments, liquidations, and repurchases.













Page 15 of 25
GSAMP Trust 2005-S1

Asset Backed Certificates
Asset Backed Certificates
2005-S1

June 27, 2005 Distribution
Prepayment Detail Report
Prepayment Detail Report - Mortgage Loans Prepaid in Full During Current Distribution
Loan Number			Original							Current		State &		Type Prepayment		First
Loan Number			Original							Current		State &		Type Prepayment

&		Loan	Principal		Prepayment			Prepayment		Note		LTV at		&		Payment

Loan Group		Status	Balance		Amount			Date		Rate		Origination		Original Term		Date

1360225 1			69,746.00		69,240.08			31-May-2005		9.500%		CA - 15.00%		Paid Off - 360		01-Apr-2004
			69,746.00

1421538 1			67,990.00		66,847.48			19-May-2005		10.550%		MD - 20.00%		Paid Off - 240		01-May-2004
1421538 1					66,847.48			19-May-2005		10.550%		MD - 20.00%		Paid Off - 240		01-May-2004
1448547 1			53,500.00		53,186.69			31-May-2005		9.750%		CA - 20.00%		Paid Off - 360		01-Jun-2004
1448547 1					53,186.69			31-May-2005		9.750%		CA - 20.00%		Paid Off - 360		01-Jun-2004
1455502 1			31,000.00		30,372.11			31-May-2005		9.750%		CA - 20.00%		Paid Off - 240		01-May-2004
1455502 1					30,372.11			31-May-2005		9.750%		CA - 20.00%		Paid Off - 240		01-May-2004
1492944 1			29,980.00		29,458.47			31-May-2005		9.600%		HI - 20.00%		Paid Off - 240		01-Jun-2004
1492944 1					29,458.47			31-May-2005		9.600%		HI - 20.00%		Paid Off - 240		01-Jun-2004
1546031 1			27,200.00		26,776.05			31-May-2005		9.750%		CA - 20.00%		Paid Off - 240		01-Jul-2004
1546031 1					26,776.05			31-May-2005		9.750%		CA - 20.00%		Paid Off - 240		01-Jul-2004
1574489 1			65,754.00		65,467.34			24-May-2005		10.250%		CA - 20.00%		Paid Off - 360		01-Aug-2004
1574489 1					65,467.34			24-May-2005		10.250%		CA - 20.00%		Paid Off - 360		01-Aug-2004
1574499 1			22,100.00		21,796.34			25-May-2005		10.750%		WI - 20.00%		Paid Off - 240		01-Jul-2004
1574499 1					21,796.34			25-May-2005		10.750%		WI - 20.00%		Paid Off - 240		01-Jul-2004
1575474 1			73,757.00		73,282.46			31-May-2005		8.850%		CA - 20.00%		Paid Off - 360		01-Jul-2004
1575474 1					73,282.46			31-May-2005		8.850%		CA - 20.00%		Paid Off - 360		01-Jul-2004
1579437 1			42,000.00		41,415.02			31-May-2005		9.900%		NJ - 20.00%		Paid Off - 240		01-Aug-2004
1579437 1					41,415.02			31-May-2005		9.900%		NJ - 20.00%		Paid Off - 240		01-Aug-2004
1581433 1			32,000.00		31,690.90			31-May-2005		11.850%		WI - 20.00%		Paid Off - 240		01-Sep-2004
1581433 1					31,690.90			31-May-2005		11.850%		WI - 20.00%		Paid Off - 240		01-Sep-2004
1588407 1			57,000.00		56,623.56			27-May-2005		10.000%		CA - 20.00%		Paid Off - 360		01-Jul-2004
1588407 1					56,623.56			27-May-2005		10.000%		CA - 20.00%		Paid Off - 360		01-Jul-2004
1589630 1			87,000.00		85,644.13			31-May-2005		9.750%		CA - 20.00%		Paid Off - 240		01-Jul-2004
1589630 1					85,644.13			31-May-2005		9.750%		CA - 20.00%		Paid Off - 240		01-Jul-2004
1590461 1			54,071.00		53,831.42			27-May-2005		10.250%		CA - 20.00%		Paid Off - 360		01-Aug-2004
1590461 1					53,831.42			27-May-2005		10.250%		CA - 20.00%		Paid Off - 360		01-Aug-2004
1590850 1			63,000.00		62,686.95			25-May-2005		9.850%		CA - 20.00%		Paid Off - 360		01-Aug-2004
1590850 1					62,686.95			25-May-2005		9.850%		CA - 20.00%		Paid Off - 360		01-Aug-2004
1591148 1			50,000.00		49,794.55			31-May-2005		11.000%		VA - 20.00%		Paid Off - 360		01-Jul-2004
1591148 1					49,794.55			31-May-2005		11.000%		VA - 20.00%		Paid Off - 360		01-Jul-2004
1595259 1			76,000.00		75,614.31			18-May-2005		10.000%		CA - 20.00%		Paid Off - 360		01-Jul-2004
1595259 1					75,614.31			18-May-2005		10.000%		CA - 20.00%		Paid Off - 360		01-Jul-2004
1597112 1			27,200.00		26,816.17			24-May-2005		9.750%		AZ - 20.00%		Paid Off - 240		01-Aug-2004
1597112 1					26,816.17			24-May-2005		9.750%		AZ - 20.00%		Paid Off - 240		01-Aug-2004
1604576 1			80,000.00		79,651.24			23-May-2005		10.250%		WA - 20.00%		Paid Off - 360		01-Aug-2004
1604576 1					79,651.24			23-May-2005		10.250%		WA - 20.00%		Paid Off - 360		01-Aug-2004
1604948 1			31,120.00		30,707.66			31-May-2005		10.250%		HI - 20.00%		Paid Off - 240		01-Aug-2004
1604948 1					30,707.66			31-May-2005		10.250%		HI - 20.00%		Paid Off - 240		01-Aug-2004
1605697 1			59,000.00		58,652.17			31-May-2005		10.100%		CA - 20.00%		Paid Off - 360		01-Aug-2004
1605697 1					58,652.17			31-May-2005		10.100%		CA - 20.00%		Paid Off - 360		01-Aug-2004
1606661 1			36,806.00		36,331.71			31-May-2005		11.250%		NV - 20.00%		Paid Off - 240		01-Jul-2004
1606661 1					36,331.71			31-May-2005		11.250%		NV - 20.00%		Paid Off - 240		01-Jul-2004
1606763 1			53,000.00		51,677.04			31-May-2005		10.250%		CA - 20.00%		Paid Off - 180		01-Aug-2004
1606763 1					51,677.04			31-May-2005		10.250%		CA - 20.00%		Paid Off - 180		01-Aug-2004
1608534 1			50,000.00		49,751.17			27-May-2005		10.100%		CA - 20.00%		Paid Off - 360		01-Aug-2004
1608534 1					49,751.17			27-May-2005		10.100%		CA - 20.00%		Paid Off - 360		01-Aug-2004
1611221 1			40,000.00		39,489.81			31-May-2005		10.550%		NJ - 20.00%		Paid Off - 240		01-Aug-2004
1611221 1					39,489.81			31-May-2005		10.550%		NJ - 20.00%		Paid Off - 240		01-Aug-2004
1611467 1			65,000.00		64,032.67			31-May-2005		9.600%		CA - 20.00%		Paid Off - 240		01-Aug-2004
1611467 1					64,032.67			31-May-2005		9.600%		CA - 20.00%		Paid Off - 240		01-Aug-2004
1612374 1			85,200.00		83,829.04			16-May-2005		9.750%		CA - 20.00%		Paid Off - 240		01-Jul-2004
1612374 1					83,829.04			16-May-2005		9.750%		CA - 20.00%		Paid Off - 240		01-Jul-2004
1615643 1			59,000.00		58,773.37			31-May-2005		9.750%		CA - 20.00%		Paid Off - 360		01-Oct-2004
1615643 1					58,773.37			31-May-2005		9.750%		CA - 20.00%		Paid Off - 360		01-Oct-2004
1616306 1			37,600.00		36,939.22			31-May-2005		10.250%		NV - 20.00%		Paid Off - 240		01-Aug-2004
1616306 1					36,939.22			31-May-2005		10.250%		NV - 20.00%		Paid Off - 240		01-Aug-2004
1616590 1			52,000.00		51,761.11			24-May-2005		10.000%		CA - 20.00%		Paid Off - 360		01-Aug-2004
1616590 1					51,761.11			24-May-2005		10.000%		CA - 20.00%		Paid Off - 360		01-Aug-2004
1617761 1			40,400.00		39,846.12			31-May-2005		9.980%		MN - 20.00%		Paid Off - 240		01-Aug-2004
1617761 1					39,846.12			31-May-2005		9.980%		MN - 20.00%		Paid Off - 240		01-Aug-2004
1619138 1			40,850.00		40,280.69			18-May-2005		9.850%		WA - 20.00%		Paid Off - 240		01-Aug-2004
1619138 1					40,280.69			18-May-2005		9.850%		WA - 20.00%		Paid Off - 240		01-Aug-2004
1619308 1			26,728.00		26,357.82			31-May-2005		9.900%		NV - 20.00%		Paid Off - 240		01-Aug-2004
1619308 1					26,357.82			31-May-2005		9.900%		NV - 20.00%		Paid Off - 240		01-Aug-2004
1623437 1			73,000.00		70,697.06			31-May-2005		10.400%		NJ - 20.00%		Paid Off - 360		01-Sep-2004
1623437 1					70,697.06			31-May-2005		10.400%		NJ - 20.00%		Paid Off - 360		01-Sep-2004
1635363 1			53,000.00		52,769.01			16-May-2005		10.250%		NV - 20.00%		Paid Off - 180		01-Aug-2004
1635363 1					52,769.01			16-May-2005		10.250%		NV - 20.00%		Paid Off - 180		01-Aug-2004
1638591 1			58,340.00		58,128.58			31-May-2005		11.250%		MD - 20.00%		Paid Off - 360		01-Aug-2004
1638591 1					58,128.58			31-May-2005		11.250%		MD - 20.00%		Paid Off - 360		01-Aug-2004
1642132 1			24,500.00		24,205.27			31-May-2005		11.150%		WA - 25.00%		Paid Off - 240		01-Aug-2004
1642132 1					24,205.27					11.150%		WA - 25.00%		Paid Off - 240



Page 16 of 25
GSAMP Trust 2005-S1

Asset Backed Certificates
Asset Backed Certificates
2005-S1

June 27, 2005 Distribution

Prepayment Detail Report - Mortgage Loans Prepaid in Full During Current Distribution
Loan Number			Original							Current		State &		Type Prepayment		First
Loan Number			Original							Current		State &		Type Prepayment

&		Loan	Principal		Prepayment			Prepayment		Note		LTV at		&		Payment

Loan Group		Status	Balance		Amount			Date		Rate		Origination		Original Term		Date

1642848 1			62,300.00		61,627.94			31-May-2005		11.000%		NJ - 20.00%		Paid Off - 240		01-Sep-2004
			62,300.00

1643269 1			53,500.00		53,248.97			26-May-2005		9.900%		CA - 20.00%		Paid Off - 360		01-Aug-2004
1643269 1					53,248.97			26-May-2005		9.900%		CA - 20.00%		Paid Off - 360		01-Aug-2004
1648645 1			99,567.00		99,279.86			31-May-2005		11.100%		CA - 20.00%		Paid Off - 360		01-Oct-2004
1648645 1					99,279.86			31-May-2005		11.100%		CA - 20.00%		Paid Off - 360		01-Oct-2004
1650065 1			33,000.00		32,562.71			26-May-2005		10.250%		CA - 20.00%		Paid Off - 240		01-Aug-2004
1650065 1					32,562.71			26-May-2005		10.250%		CA - 20.00%		Paid Off - 240		01-Aug-2004
1652045 1			37,881.00		37,388.52			31-May-2005		10.400%		AZ - 20.00%		Paid Off - 240		01-Aug-2004
1652045 1					37,388.52			31-May-2005		10.400%		AZ - 20.00%		Paid Off - 240		01-Aug-2004
1652866 1			24,700.00		24,433.49			31-May-2005		11.000%		MA - 20.00%		Paid Off - 240		01-Sep-2004
1652866 1					24,433.49			31-May-2005		11.000%		MA - 20.00%		Paid Off - 240		01-Sep-2004
1656627 1			51,300.00		50,688.99			23-May-2005		9.750%		CA - 20.00%		Paid Off - 240		01-Oct-2004
1656627 1					50,688.99			23-May-2005		9.750%		CA - 20.00%		Paid Off - 240		01-Oct-2004
1657248 1			107,000.00		106,610.01			31-May-2005		10.000%		CA - 20.00%		Paid Off - 360		01-Oct-2004
1657248 1					106,610.01			31-May-2005		10.000%		CA - 20.00%		Paid Off - 360		01-Oct-2004
1658757 1			29,500.00		28,915.86			23-May-2005		9.850%		ID - 20.00%		Paid Off - 240		01-Sep-2004
1658757 1					28,915.86			23-May-2005		9.850%		ID - 20.00%		Paid Off - 240		01-Sep-2004
1659305 1			42,400.00		41,787.83			31-May-2005		9.850%		OR - 20.00%		Paid Off - 240		01-Aug-2004
1659305 1					41,787.83			31-May-2005		9.850%		OR - 20.00%		Paid Off - 240		01-Aug-2004
1664080 1			44,000.00		43,427.98			31-May-2005		10.400%		CA - 20.00%		Paid Off - 240		01-Aug-2004
1664080 1					43,427.98			31-May-2005		10.400%		CA - 20.00%		Paid Off - 240		01-Aug-2004
1665333 1			22,600.00		22,298.36			23-May-2005		11.400%		MD - 20.00%		Paid Off - 240		01-Aug-2004
1665333 1					22,298.36			23-May-2005		11.400%		MD - 20.00%		Paid Off - 240		01-Aug-2004
1671564 1			67,000.00		66,746.41			31-May-2005		10.400%		CA - 20.00%		Paid Off - 360		01-Sep-2004
1671564 1					66,746.41			31-May-2005		10.400%		CA - 20.00%		Paid Off - 360		01-Sep-2004
1671874 1			97,400.00		97,108.43			16-May-2005		12.000%		CA - 20.00%		Paid Off - 360		01-Aug-2004
1671874 1					97,108.43			16-May-2005		12.000%		CA - 20.00%		Paid Off - 360		01-Aug-2004
1673002 1			75,600.00		75,270.43			31-May-2005		10.250%		CA - 20.00%		Paid Off - 360		01-Aug-2004
1673002 1					75,270.43			31-May-2005		10.250%		CA - 20.00%		Paid Off - 360		01-Aug-2004
1676928 1			29,400.00		13,959.37			16-May-2005		10.600%		WA - 20.00%		Paid Off - 240		01-Sep-2004
1676928 1					13,959.37			16-May-2005		10.600%		WA - 20.00%		Paid Off - 240		01-Sep-2004
1679900 1			39,000.00		38,615.60			31-May-2005		10.750%		CA - 20.00%		Paid Off - 240		01-Oct-2004
1679900 1					38,615.60			31-May-2005		10.750%		CA - 20.00%		Paid Off - 240		01-Oct-2004
1681192 1			38,000.00		37,584.79			25-May-2005		10.900%		CA - 20.00%		Paid Off - 240		01-Sep-2004
1681192 1					37,584.79			25-May-2005		10.900%		CA - 20.00%		Paid Off - 240		01-Sep-2004
1683466 1			82,000.00		81,625.63			31-May-2005		10.600%		CA - 20.00%		Paid Off - 360		01-Aug-2004
1683466 1					81,625.63			31-May-2005		10.600%		CA - 20.00%		Paid Off - 360		01-Aug-2004
1685810 1			59,000.00		58,714.37			31-May-2005		9.750%		CA - 20.00%		Paid Off - 360		01-Aug-2004
1685810 1					58,714.37			31-May-2005		9.750%		CA - 20.00%		Paid Off - 360		01-Aug-2004
1687176 1			27,200.00		26,885.14			31-May-2005		10.450%		AZ - 20.00%		Paid Off - 240		01-Sep-2004
1687176 1					26,885.14			31-May-2005		10.450%		AZ - 20.00%		Paid Off - 240		01-Sep-2004
1688222 1			33,000.00		32,636.92			26-May-2005		11.200%		CA - 20.00%		Paid Off - 240		01-Sep-2004
1688222 1					32,636.92			26-May-2005		11.200%		CA - 20.00%		Paid Off - 240		01-Sep-2004
1689224 1			20,000.00		19,786.90			31-May-2005		11.400%		CA - 20.00%		Paid Off - 240		01-Sep-2004
1689224 1					19,786.90			31-May-2005		11.400%		CA - 20.00%		Paid Off - 240		01-Sep-2004
1689705 1			85,000.00		83,116.51			19-May-2005		10.450%		CA - 20.00%		Paid Off - 180		01-Sep-2004
1689705 1					83,116.51			19-May-2005		10.450%		CA - 20.00%		Paid Off - 180		01-Sep-2004
1691383 1			83,000.00		82,716.90			31-May-2005		11.400%		CA - 20.00%		Paid Off - 360		01-Aug-2004
1691383 1					82,716.90			31-May-2005		11.400%		CA - 20.00%		Paid Off - 360		01-Aug-2004
1691942 1			38,186.00		37,784.55			31-May-2005		11.200%		NV - 20.00%		Paid Off - 240		01-Sep-2004
1691942 1					37,784.55			31-May-2005		11.200%		NV - 20.00%		Paid Off - 240		01-Sep-2004
1693012 1			44,000.00		43,519.17			24-May-2005		10.900%		CA - 20.00%		Paid Off - 240		01-Sep-2004
1693012 1					43,519.17			24-May-2005		10.900%		CA - 20.00%		Paid Off - 240		01-Sep-2004
1693839 1			65,000.00		64,756.57			31-May-2005		10.450%		CA - 20.00%		Paid Off - 360		01-Sep-2004
1693839 1					64,756.57			31-May-2005		10.450%		CA - 20.00%		Paid Off - 360		01-Sep-2004
1694135 1			51,000.00		50,479.34			19-May-2005		10.900%		CA - 20.00%		Paid Off - 240		01-Oct-2004
1694135 1					50,479.34			19-May-2005		10.900%		CA - 20.00%		Paid Off - 240		01-Oct-2004
1700254 1			70,000.00		69,763.80			16-May-2005		11.450%		CA - 20.00%		Paid Off - 360		01-Aug-2004
1700254 1					69,763.80			16-May-2005		11.450%		CA - 20.00%		Paid Off - 360		01-Aug-2004
1701210 1			52,000.00		51,811.38			31-May-2005		10.600%		CA - 20.00%		Paid Off - 360		01-Sep-2004
1701210 1					51,811.38			31-May-2005		10.600%		CA - 20.00%		Paid Off - 360		01-Sep-2004
1705043 1			110,000.00		109,665.34			27-May-2005		10.850%		CA - 20.00%		Paid Off - 360		01-Oct-2004
1705043 1					109,665.34			27-May-2005		10.850%		CA - 20.00%		Paid Off - 360		01-Oct-2004
1709453 1			94,000.00		93,739.61			26-May-2005		11.850%		CA - 20.00%		Paid Off - 360		01-Sep-2004
1709453 1					93,739.61			26-May-2005		11.850%		CA - 20.00%		Paid Off - 360		01-Sep-2004
1713076 1			30,500.00		29,984.62			16-May-2005		10.450%		AZ - 20.00%		Paid Off - 240		01-Sep-2004
1713076 1					29,984.62			16-May-2005		10.450%		AZ - 20.00%		Paid Off - 240		01-Sep-2004
1715142 1			72,400.00		72,159.19			19-May-2005		11.150%		CA - 20.00%		Paid Off - 360		01-Sep-2004
1715142 1					72,159.19			19-May-2005		11.150%		CA - 20.00%		Paid Off - 360		01-Sep-2004
1716144 1			52,680.00		52,474.23			31-May-2005		10.250%		CA - 20.00%		Paid Off - 360		01-Sep-2004
1716144 1					52,474.23			31-May-2005		10.250%		CA - 20.00%		Paid Off - 360		01-Sep-2004
1716963 1			63,600.00		63,382.74			31-May-2005		10.900%		CA - 20.00%		Paid Off - 360		01-Sep-2004
1716963 1					63,382.74			31-May-2005		10.900%		CA - 20.00%		Paid Off - 360		01-Sep-2004
1717312 1			48,000.00		47,158.90			31-May-2005		11.400%		MD - 20.00%		Paid Off - 180		01-Oct-2004
1717312 1					47,158.90					11.400%		MD - 20.00%		Paid Off - 180



Page 17 of 25
GSAMP Trust 2005-S1

Asset Backed Certificates
Asset Backed Certificates
2005-S1

June 27, 2005 Distribution

Prepayment Detail Report - Mortgage Loans Prepaid in Full During Current Distribution
Loan Number			Original							Current		State &		Type Prepayment		First
Loan Number			Original							Current		State &		Type Prepayment

&		Loan	Principal		Prepayment			Prepayment		Note		LTV at		&		Payment

Loan Group		Status	Balance		Amount			Date		Rate		Origination		Original Term		Date

1718024 1			59,800.00		59,087.43			16-May-2005		10.650%		NY - 20.00%		Paid Off - 360		01-Oct-2004
			59,800.00

1721462 1			32,680.00		32,422.11			31-May-2005		12.450%		NY - 20.00%		Paid Off - 240		01-Oct-2004
1721462 1					32,422.11			31-May-2005		12.450%		NY - 20.00%		Paid Off - 240		01-Oct-2004
1722721 1			58,200.00		58,015.19			31-May-2005		10.650%		IL - 20.00%		Paid Off - 360		01-Oct-2004
1722721 1					58,015.19			31-May-2005		10.650%		IL - 20.00%		Paid Off - 360		01-Oct-2004
1726231 1			45,400.00		44,904.09			23-May-2005		11.300%		CA - 20.00%		Paid Off - 240		01-Sep-2004
1726231 1					44,904.09			23-May-2005		11.300%		CA - 20.00%		Paid Off - 240		01-Sep-2004
1727278 1			52,460.00		52,277.68			25-May-2005		10.800%		NH - 20.00%		Paid Off - 360		01-Sep-2004
1727278 1					52,277.68			25-May-2005		10.800%		NH - 20.00%		Paid Off - 360		01-Sep-2004
1727346 1			52,117.00		51,898.38			23-May-2005		10.600%		CA - 20.00%		Paid Off - 360		01-Sep-2004
1727346 1					51,898.38			23-May-2005		10.600%		CA - 20.00%		Paid Off - 360		01-Sep-2004
1729117 1			29,000.00		28,702.96			16-May-2005		11.400%		CA - 20.00%		Paid Off - 240		01-Sep-2004
1729117 1					28,702.96			16-May-2005		11.400%		CA - 20.00%		Paid Off - 240		01-Sep-2004
1730723 1			25,400.00		24,996.97			23-May-2005		10.080%		MN - 20.00%		Paid Off - 240		01-Sep-2004
1730723 1					24,996.97			23-May-2005		10.080%		MN - 20.00%				01-Sep-2004
1736581 1			27,900.00		27,585.02			31-May-2005		12.300%		NM - 20.00%		Paid Off - 240		01-Sep-2004
1736581 1					27,585.02			31-May-2005		12.300%		NM - 20.00%		Paid Off - 240		01-Sep-2004
1736800 1			26,400.00		26,141.41			16-May-2005		10.800%		FL - 20.00%		Paid Off - 240		01-Oct-2004
1736800 1					26,141.41			16-May-2005		10.800%		FL - 20.00%		Paid Off - 240		01-Oct-2004
1739065 1			73,800.00		73,584.05			25-May-2005		11.600%		CA - 20.00%		Paid Off - 360		01-Sep-2004
1739065 1					73,584.05			25-May-2005		11.600%		CA - 20.00%		Paid Off - 360		01-Sep-2004
1741191 1			112,000.00		110,897.72			24-May-2005		10.850%		CA - 20.00%		Paid Off - 240		01-Oct-2004
1741191 1					110,897.72			24-May-2005		10.850%		CA - 20.00%		Paid Off - 240		01-Oct-2004
1741290 1			29,800.00		29,457.26			20-May-2005		10.500%		CA - 20.00%		Paid Off - 240		01-Sep-2004
1741290 1					29,457.26			20-May-2005		10.500%		CA - 20.00%		Paid Off - 240		01-Sep-2004
1742930 1			78,000.00		76,244.63			18-May-2005		11.250%		MD - 20.00%		Paid Off - 360		01-Oct-2004
1742930 1					76,244.63			18-May-2005		11.250%		MD - 20.00%		Paid Off - 360		01-Oct-2004
1743537 1			67,200.00		66,976.18			31-May-2005		11.000%		NV - 20.00%		Paid Off - 360		01-Sep-2004
1743537 1					66,976.18			31-May-2005		11.000%		NV - 20.00%		Paid Off - 360		01-Sep-2004
1744412 1			29,500.00		29,154.14			31-May-2005		10.350%		CA - 20.00%		Paid Off - 240		01-Sep-2004
1744412 1					29,154.14			31-May-2005		10.350%		CA - 20.00%		Paid Off - 240		01-Sep-2004
1744496 1			29,829.00		29,539.29			31-May-2005		11.810%		AZ - 20.00%		Paid Off - 240		01-Sep-2004
1744496 1					29,539.29			31-May-2005		11.810%		AZ - 20.00%		Paid Off - 240		01-Sep-2004
1747315 1			79,700.00		79,464.72			31-May-2005		10.990%		CA - 20.00%		Paid Off - 360		01-Oct-2004
1747315 1					79,464.72			31-May-2005		10.990%		CA - 20.00%		Paid Off - 360		01-Oct-2004
1748434 1			63,091.00		62,909.05			31-May-2005		11.100%		CA - 20.00%		Paid Off - 360		01-Oct-2004
1748434 1					62,909.05			31-May-2005		11.100%		CA - 20.00%		Paid Off - 360		01-Oct-2004
1749464 1			57,821.00		57,661.33			31-May-2005		11.300%		CA - 20.00%		Paid Off - 360		01-Oct-2004
1749464 1					57,661.33			31-May-2005		11.300%		CA - 20.00%		Paid Off - 360		01-Oct-2004
1752263 1			30,700.00		30,352.64			19-May-2005		11.000%		CO - 20.00%		Paid Off - 240		01-Sep-2004
1752263 1					30,352.64			19-May-2005		11.000%		CO - 20.00%		Paid Off - 240		01-Sep-2004
1754425 1			69,800.00		69,604.48			20-May-2005		11.800%		CA - 20.00%		Paid Off - 360		01-Sep-2004
1754425 1					69,604.48			20-May-2005		11.800%		CA - 20.00%		Paid Off - 360		01-Sep-2004
1755074 1			70,000.00		69,746.12			31-May-2005		10.600%		CA - 20.00%		Paid Off - 360		01-Sep-2004
1755074 1					69,746.12			31-May-2005		10.600%		CA - 20.00%		Paid Off - 360		01-Sep-2004
1758597 1			38,600.00		37,892.46			31-May-2005		12.250%		FL - 20.00%		Paid Off - 180		01-Sep-2004
1758597 1					37,892.46			31-May-2005		12.250%		FL - 20.00%		Paid Off - 180		01-Sep-2004
1758805 1			67,998.00		67,809.60			25-May-2005		11.850%		VA - 20.00%		Paid Off - 360		01-Sep-2004
1758805 1					67,809.60			25-May-2005		11.850%		VA - 20.00%		Paid Off - 360		01-Sep-2004
1760841 1			41,558.00		41,153.56			19-May-2005		10.850%		CA - 20.00%		Paid Off - 240		01-Oct-2004
1760841 1					41,153.56			19-May-2005		10.850%		CA - 20.00%		Paid Off - 240		01-Oct-2004
1761240 1			62,000.00		61,809.35			31-May-2005		10.800%		CA - 20.00%		Paid Off - 360		01-Oct-2004
1761240 1					61,809.35			31-May-2005		10.800%		CA - 20.00%		Paid Off - 360		01-Oct-2004
1762015 1			41,000.00		40,595.89			31-May-2005		10.750%		WA - 20.00%		Paid Off - 240		01-Oct-2004
1762015 1					40,595.89			31-May-2005		10.750%		WA - 20.00%		Paid Off - 240		01-Oct-2004
1764617 1			40,400.00		39,991.53			31-May-2005		11.500%		AZ - 20.00%		Paid Off - 240		01-Sep-2004
1764617 1					39,991.53			31-May-2005		11.500%		AZ - 20.00%		Paid Off - 240		01-Sep-2004
1765355 1			59,000.00		58,845.64			25-May-2005		11.550%		WA - 20.00%		Paid Off - 360		01-Oct-2004
1765355 1					58,845.64			25-May-2005		11.550%		WA - 20.00%		Paid Off - 360		01-Oct-2004
1765648 1			59,000.00		58,864.45			31-May-2005		11.600%		CA - 20.00%		Paid Off - 360		01-Nov-2004
1765648 1					58,864.45			31-May-2005		11.600%		CA - 20.00%		Paid Off - 360		01-Nov-2004
1766557 1			27,900.00		27,643.87			31-May-2005		11.300%		CA - 20.00%		Paid Off - 240		01-Oct-2004
1766557 1					27,643.87			31-May-2005		11.300%		CA - 20.00%		Paid Off - 240		01-Oct-2004
1771323 1			50,000.00		49,869.55			19-May-2005		10.950%		OR - 20.00%		Paid Off - 360		01-Nov-2004
1771323 1					49,869.55			19-May-2005		10.950%		OR - 20.00%		Paid Off - 360		01-Nov-2004
1781073 1			97,289.00		97,023.21			31-May-2005		11.350%		CA - 20.00%		Paid Off - 360		01-Oct-2004
1781073 1					97,023.21			31-May-2005		11.350%		CA - 20.00%		Paid Off - 360		01-Oct-2004
1783010 1			26,600.00		26,305.15			31-May-2005		9.830%		MN - 20.00%		Paid Off - 240		01-Oct-2004
1783010 1					26,305.15			31-May-2005		9.830%		MN - 20.00%		Paid Off - 240		01-Oct-2004
1785735 1			34,200.00		33,851.88			19-May-2005		10.500%		AZ - 20.00%		Paid Off - 240		01-Oct-2004
1785735 1					33,851.88			19-May-2005		10.500%		AZ - 20.00%		Paid Off - 240		01-Oct-2004
1786322 1			90,000.00		89,654.44			18-May-2005		9.800%		CA - 20.00%		Paid Off - 360		01-Oct-2004
1786322 1					89,654.44			18-May-2005		9.800%		CA - 20.00%		Paid Off - 360		01-Oct-2004
1788699 1			58,100.00		57,923.21			31-May-2005		10.850%		CO - 20.00%		Paid Off - 360		01-Oct-2004
1788699 1					57,923.21					10.850%		CO - 20.00%		Paid Off - 360



Page 18 of 25
GSAMP Trust 2005-S1

Asset Backed Certificates
Asset Backed Certificates
2005-S1

June 27, 2005 Distribution

Prepayment Detail Report - Mortgage Loans Prepaid in Full During Current Distribution
Loan Number			Original							Current		State &		Type Prepayment		First
Loan Number			Original							Current		State &		Type Prepayment

&		Loan	Principal		Prepayment			Prepayment		Note		LTV at		&		Payment

Loan Group		Status	Balance		Amount			Date		Rate		Origination		Original Term		Date

1793119 1			26,400.00		26,103.36			31-May-2005		10.500%		AZ - 20.00%		Paid Off - 240		01-Oct-2004
			26,400.00

1798273 1			87,000.00		86,718.68			31-May-2005		11.100%		HI - 20.00%		Paid Off - 360		01-Nov-2004
1798273 1					86,718.68			31-May-2005		11.100%		HI - 20.00%		Paid Off - 360		01-Nov-2004
1798494 1			85,000.00		84,721.35			31-May-2005		10.500%		NY - 20.00%		Paid Off - 360		01-Oct-2004
1798494 1					84,721.35			31-May-2005		10.500%		NY - 20.00%		Paid Off - 360		01-Oct-2004
1800099 1			53,200.00		53,008.12			31-May-2005		10.050%		CA - 20.00%		Paid Off - 360		01-Oct-2004
1800099 1					53,008.12			31-May-2005		10.050%		CA - 20.00%		Paid Off - 360		01-Oct-2004
1800601 1			75,600.00		75,395.71			31-May-2005		11.400%		MD - 20.00%		Paid Off - 360		01-Oct-2004
1800601 1					75,395.71			31-May-2005		11.400%		MD - 20.00%		Paid Off - 360		01-Oct-2004
1800635 1			65,000.00		64,737.94			31-May-2005		10.850%		LA - 20.00%		Paid Off - 360		01-Oct-2004
1800635 1					64,737.94			31-May-2005		10.850%		LA - 20.00%		Paid Off - 360		01-Oct-2004
1809889 1			63,000.00		62,761.09			18-May-2005		10.500%		HI - 20.00%		Paid Off - 360		01-Oct-2004
1809889 1					62,761.09			18-May-2005		10.500%		HI - 20.00%		Paid Off - 360		01-Oct-2004
1811509 1			78,000.00		77,812.41			31-May-2005		11.300%		VA - 20.00%		Paid Off - 360		01-Nov-2004
1811509 1					77,812.41			31-May-2005		11.300%		VA - 20.00%		Paid Off - 360		01-Nov-2004
1811930 1			26,866.00		26,588.23			31-May-2005		10.800%		AZ - 20.00%		Paid Off - 240		01-Oct-2004
1811930 1					26,588.23			31-May-2005		10.800%		AZ - 20.00%		Paid Off - 240		01-Oct-2004
1812216 1			38,380.00		37,930.98			20-May-2005		9.750%		MN - 20.00%		Paid Off - 240		01-Oct-2004
1812216 1					37,930.98			20-May-2005		9.750%		MN - 20.00%		Paid Off - 240		01-Oct-2004
1816426 1			30,360.00		30,118.86			31-May-2005		11.350%		GA - 20.00%		Paid Off - 240		01-Nov-2004
1816426 1					30,118.86			31-May-2005		11.350%		GA - 20.00%		Paid Off - 240		01-Nov-2004
1817219 1			45,100.00		44,646.85			27-May-2005		10.600%		CA - 20.00%		Paid Off - 240		01-Oct-2004
1817219 1					44,646.85			27-May-2005		10.600%		CA - 20.00%		Paid Off - 240		01-Oct-2004
1818412 1			43,400.00		43,008.47			31-May-2005		10.400%		IL - 20.00%		Paid Off - 240		01-Nov-2004
1818412 1					43,008.47			31-May-2005		10.400%		IL - 20.00%		Paid Off - 240		01-Nov-2004
1820377 1			91,000.00		90,780.50			31-May-2005		11.300%		WA - 20.00%		Paid Off - 360		01-Nov-2004
1820377 1					90,780.50			31-May-2005		11.300%		WA - 20.00%		Paid Off - 360		01-Nov-2004
1827232 1			34,960.00		34,648.03			31-May-2005		10.500%		CA - 20.00%		Paid Off - 240		01-Nov-2004
1827232 1					34,648.03			31-May-2005		10.500%		CA - 20.00%		Paid Off - 240		01-Nov-2004
1857546 1			35,300.00		34,966.30			31-May-2005		10.000%		AZ - 20.00%		Paid Off - 240		01-Nov-2004
1857546 1					34,966.30			31-May-2005		10.000%		AZ - 20.00%		Paid Off - 240		01-Nov-2004
1862652 1			52,300.00		51,682.89			31-May-2005		10.350%		NJ - 20.00%		Paid Off - 360		01-Nov-2004
1862652 1					51,682.89			31-May-2005		10.350%		NJ - 20.00%		Paid Off - 360		01-Nov-2004
1867609 1			88,331.00		88,070.55			31-May-2005		10.350%		CA - 20.00%		Paid Off - 360		01-Nov-2004
1867609 1					88,070.55			31-May-2005		10.350%		CA - 20.00%		Paid Off - 360		01-Nov-2004
1868506 1			35,200.00		34,887.84			26-May-2005		10.500%		CA - 20.00%		Paid Off - 240		01-Nov-2004
1868506 1					34,887.84			26-May-2005		10.500%		CA - 20.00%		Paid Off - 240		01-Nov-2004
1869515 1			106,000.00		105,733.77			31-May-2005		11.100%		CA - 20.00%		Paid Off - 360		01-Nov-2004
1869515 1					105,733.77			31-May-2005		11.100%		CA - 20.00%		Paid Off - 360		01-Nov-2004
1872094 1			75,990.00		75,812.45			31-May-2005		10.750%		CA - 20.00%		Paid Off - 360		01-Dec-2004
1872094 1					75,812.45			31-May-2005		10.750%		CA - 20.00%		Paid Off - 360		01-Dec-2004
1872399 1			83,000.00		82,793.33			23-May-2005		10.400%		NY - 20.00%		Paid Off - 360		01-Dec-2004
1872399 1					82,793.33			23-May-2005		10.400%		NY - 20.00%		Paid Off - 360		01-Dec-2004
1875268 1			37,000.00		36,483.50			31-May-2005		9.370%		MN - 20.00%		Paid Off - 240		01-Nov-2004
1875268 1					36,483.50			31-May-2005		9.370%		MN - 20.00%		Paid Off - 240		01-Nov-2004
1876111 1			88,400.00		88,170.68			18-May-2005		10.950%		CA - 20.00%		Paid Off - 360		01-Nov-2004
1876111 1					88,170.68			18-May-2005		10.950%		CA - 20.00%		Paid Off - 360		01-Nov-2004
1877514 1			72,800.00		72,607.04			31-May-2005		10.850%		CA - 20.00%		Paid Off - 360		01-Nov-2004
1877514 1					72,607.04			31-May-2005		10.850%		CA - 20.00%		Paid Off - 360		01-Nov-2004
1877887 1			48,000.00		47,621.06			20-May-2005		11.850%		MA - 20.00%		Paid Off - 240		01-Nov-2004
1877887 1					47,621.06			20-May-2005		11.850%		MA - 20.00%		Paid Off - 240		01-Nov-2004
1878336 1			48,000.00		47,327.83			26-May-2005		10.600%		MD - 20.00%		Paid Off - 180		01-Dec-2004
1878336 1					47,327.83			26-May-2005		10.600%		MD - 20.00%		Paid Off - 180		01-Dec-2004
1884142 1			77,774.00		77,608.07			31-May-2005		11.850%		CA - 20.00%		Paid Off - 360		01-Nov-2004
1884142 1					77,608.07			31-May-2005		11.850%		CA - 20.00%		Paid Off - 360		01-Nov-2004
1888258 1			97,000.00		96,760.70			31-May-2005		10.450%		CA - 20.00%		Paid Off - 360		01-Dec-2004
1888258 1					96,760.70			31-May-2005		10.450%		CA - 20.00%		Paid Off - 360		01-Dec-2004
1888354 1			38,000.00		37,673.33			31-May-2005		9.500%		AZ - 20.00%		Paid Off - 240		01-Dec-2004
1888354 1					37,673.33			31-May-2005		9.500%		AZ - 20.00%		Paid Off - 240		01-Dec-2004
1888730 1			89,980.00		89,667.57			31-May-2005		10.850%		CA - 20.00%		Paid Off - 360		01-Dec-2004
1888730 1					89,667.57			31-May-2005		10.850%		CA - 20.00%		Paid Off - 360		01-Dec-2004
1896638 1			47,000.00		46,623.23			31-May-2005		10.050%		CO - 20.00%		Paid Off - 240		01-Dec-2004
1896638 1					46,623.23			31-May-2005		10.050%		CO - 20.00%		Paid Off - 240		01-Dec-2004
1912774 1			26,350.00		26,161.87			31-May-2005		10.950%		CO - 17.00%		Paid Off - 240		01-Dec-2004
1912774 1					26,161.87			31-May-2005		10.950%		CO - 17.00%		Paid Off - 240		01-Dec-2004
1916686 1			27,900.00		27,529.43			19-May-2005		11.350%		NM - 20.00%		Paid Off - 240		01-Dec-2004
1916686 1					27,529.43			19-May-2005		11.350%		NM - 20.00%		Paid Off - 240		01-Dec-2004
1922954 1			44,000.00		43,369.75			31-May-2005		10.350%		MI - 20.00%		Paid Off - 180		01-Dec-2004
1922954 1					43,369.75			31-May-2005		10.350%		MI - 20.00%		Paid Off - 180		01-Dec-2004
1926101 1			117,000.00		116,787.12			24-May-2005		11.850%		CA - 20.00%		Paid Off - 360		01-Dec-2004
1926101 1					116,787.12			24-May-2005		11.850%		CA - 20.00%		Paid Off - 360		01-Dec-2004
1927718 1			85,000.00		84,790.58			26-May-2005		10.450%		CA - 20.00%		Paid Off - 360		01-Dec-2004
1927718 1					84,790.58			26-May-2005		10.450%		CA - 20.00%		Paid Off - 360		01-Dec-2004
1933185 1			81,200.00		81,026.05			31-May-2005		11.100%		AZ - 20.00%		Paid Off - 360		01-Dec-2004
1933185 1					81,026.05					11.100%		AZ - 20.00%		Paid Off - 360



Page 19 of 25
GSAMP Trust 2005-S1

Asset Backed Certificates
Asset Backed Certificates
2005-S1

June 27, 2005 Distribution

Prepayment Detail Report - Mortgage Loans Prepaid in Full During Current Distribution
Loan Number			Original							Current		State &		Type Prepayment		First
Loan Number			Original							Current		State &		Type Prepayment

&		Loan	Principal		Prepayment			Prepayment		Note		LTV at		&		Payment

Loan Group		Status	Balance		Amount			Date		Rate		Origination		Original Term		Date

1939421 1			110,715.00		110,513.53			31-May-2005		11.850%		NV - 20.00%		Paid Off - 360		01-Dec-2004
			110,715.00

1000002767 1			66,000.00		65,817.75			31-May-2005		11.300%		FL - 20.00%		Paid Off - 360		01-Oct-2004
1000002767 1					65,817.75			31-May-2005		11.300%		FL - 20.00%		Paid Off - 360		01-Oct-2004
1000007940 1			52,000.00		51,871.14			31-May-2005		11.800%		CA - 20.00%		Paid Off - 360		01-Oct-2004
1000007940 1					51,871.14			31-May-2005		11.800%		CA - 20.00%		Paid Off - 360		01-Oct-2004
1000019401 1			89,400.00		89,196.34			24-May-2005		11.550%		CA - 20.00%		Paid Off - 360		01-Nov-2004
1000019401 1					89,196.34			24-May-2005		11.550%		CA - 20.00%		Paid Off - 360		01-Nov-2004
1000041822 1			58,000.00		57,861.63			31-May-2005		10.600%		FL - 20.00%		Paid Off - 360		01-Dec-2004
1000041822 1					57,861.63			31-May-2005		10.600%		FL - 20.00%		Paid Off - 360		01-Dec-2004
1000055736 1			48,900.00		48,534.71			31-May-2005		10.600%		FL - 20.00%		Paid Off - 240		01-Dec-2004
1000055736 1					48,534.71			31-May-2005		10.600%		FL - 20.00%		Paid Off - 240		01-Dec-2004
1000069115 1			53,000.00		52,854.80			27-May-2005		9.950%		FL - 20.00%		Paid Off - 360		01-Dec-2004
1000069115 1					52,854.80			27-May-2005		9.950%		FL - 20.00%		Paid Off - 360		01-Dec-2004


TOTAL			8,846,605.00		8,768,784.21
TOTAL


Page 20 of 25
GSAMP Trust 2005-S1

Asset Backed Certificates
Asset Backed Certificates
2005-S1

June 27, 2005 Distribution
Realized Loss Report

COLLATERAL REALIZED LOSSES



															Total


Current
Current



Number of Loans Liquidated														1
Collateral Principal Realized Loss/(Gain) Amount														17,480.81
Collateral Interest Realized Loss/(Gain) Amount														0.00
Net Liquidation Proceeds														15,669.27

Cumulative
Cumulative



Number of Loans Liquidated														1
Collateral Realized Loss/(Gain) Amount														17,480.81
Net Liquidation Proceeds														15,669.27










Page 21 of 25
GSAMP Trust 2005-S1

Asset Backed Certificates
Asset Backed Certificates
2005-S1

June 27, 2005 Distribution


DEFAULT SPEEDS



															Total



MDR														0.01%
3 Months Avg MDR														0.00%
12 Months Avg MDR														0.00%
Avg MDR Since Cut-off														0.00%


CDR														0.17%
3 Months Avg CDR														0.06%
12 Months Avg CDR														0.06%
Avg CDR Since Cut-off														0.06%


SDA														0.90%
3 Months Avg SDA Approximation														0.34%
12 Months Avg SDA Approximation														0.34%
Avg SDA Since Cut-off Approximation														0.34%


Loss Severity Approximation for Current Period														52.73%
3 Months Avg Loss Severity Approximation														17.58%
12 Months Avg Loss Severity Approximation														17.58%
Avg Loss Severity Approximation Since Cut-off														17.58%












Page 22 of 25
GSAMP Trust 2005-S1

Asset Backed Certificates
Asset Backed Certificates
2005-S1

June 27, 2005 Distribution





COLLATERAL REALIZED LOSS CALCULATION METHODOLOGY
	Monthly Default Rate (MDR): (Beg Principal Balance of Liquidated Loans)/(Total Beg Principal Balance)



	Conditional Default Rate (CDR): 1-((1-MDR)^12)

	SDA Standard Default Assumption: CDR/IF(WAS<61,MIN(30,WAS)0.02,MAX(0.03,MIN(30,WAS)0.02-0.0095*(WAS-60)))

	Average MDR over period between nth month and mth month (AvgMDRn,m): [(1-MDRn)(1-MDRn+1)...*(1-MDRm)]^(1/months in period n,m)
	Average CDR over period between the nth month and mth month (AvgCDRn,m): 1-((1-AvgMDRn,m)^12)

	Average SDA Approximation over period between the nth month and mth month:
	AvgCDRn,m/IF(Avg WASn,m<61,MIN(30,Avg WASn,m)0.02,MAX(0.03,MIN(30,Avg WASn,m)0.02-0.0095*(Avg WASn,m-60)))

	Average WASn,m: (WASn + WASn+1 +...+ WASm )/(number of months in the period n,m)
	Loss Severity Approximation for current period: sum(Realized Loss Amount)/sum(Beg Principal Balance of Liquidated Loans)

	Average Loss Severity Approximation over period between nth month and mth month: Avg(Loss Severityn,m)

	Note: Default rates are calculated since deal issue date and include realized gains and additional realized losses and gains from prior periods.
	Dates correspond to distribution dates.




Page 23 of 25
GSAMP Trust 2005-S1

Asset Backed Certificates
Asset Backed Certificates
2005-S1

June 27, 2005 Distribution
Realized Loss Detail Report
Loan Number			Current		State &				Prior		Realized				Cumulative
															Cumulative
&		Loan	Note		LTV at		Original		Principal		Loss/(Gain)		Realized		Realized

Loan Group		Status	Rate		Origination		Term		Balance		Revision		Loss/(Gain)		Loss/(Gain)
Loan Group		Status	Rate		Origination		Term		Balance		Revision		Loss/(Gain)		Loss/(Gain)
1782306 1
1782306 1		BK	10.300%		CO - 20.00%		240		33,150.08				17,480.81		0.00



TOTAL									33,150.08			17,480.81		0.00



Page 24 of 25
GSAMP Trust 2005-S1

Asset Backed Certificates
Asset Backed Certificates
2005-S1

June 27, 2005 Distribution
Triggers and Adj. Cert. Report
TRIGGER EVENTS
TRIGGER EVENTS
														Total
						Stepdown Date has occurred (0 = No, 1=Yes)								0
						Trigger Event in effect - a) or b) in effect (0=No ,								0
						a) Does a Delinquency Trigger Event Exists								0
						b) Does a Loss Trigger Event Exists (0=No,1=Yes)								0
						Balances 60+ days includes Bankruptcy and Foreclosure								2,109,162.30
						Ending Balance								229,402,754.01
						Senior Enhancement Percentage								30.6139%
						Cumulative Loss Percentage								0.0068%



ADJUSTABLE RATE CERTIFICATE INFORMATION

SPACE INTENTIONALLY LEFT BLANK



ADDITIONAL INFORMATION
ADDITIONAL INFORMATION
														Total
Net Monthly Excess Cashflow														1,249,199.38
Net Monthly Excess Cashflow Alloc to Losses														0.00
Net Monthly Excess Cashflow Alloc to Unpaid Int														0.00

Basis Risk CarryForward Amount Paid														0.00
Basis Risk CarryForward Amount Unpaid														0.000






Page 25 of 25

GSAMP Trust 2005-S1 8-K