EX-99 3 nov6termsheet.txt COLLATERAL TERM SHEET EXHIBIT 99 COLLATERAL TERM SHEETS All information in this Term Sheet, whether regarding assets backing any securities discussed herein or otherwise, will be superseded by the information contained in the final prospectus supplement. November 6, 2003 ------------------------------------------------------------------------------- Preliminary Collateral Term Sheet ------------------------------------------------------------------------------- $745,832,000 (Approximate) GSR Mortgage Loan Trust 2003-13 GS Mortgage Securities Corp., Depositor Mortgage Pass-Through Certificates, Series 2003-13 ------------------------------------------------------------------------------- Features of the Transaction ------------------------------------------------------------------------------- o Offering consists of three groups senior securities totaling $745,832,000 expected to be rated either AAA by two of Moody's, S&P and Fitch. o Credit support for the certificates is provided through a senior/subordinated, shifting interest structure and five-year prepayment lockout. The expected amount of credit support for the senior certificates is 2.50% +/- 25 bps in the form of subordination. o Collateral consists of 10/1 hybrid adjustable rate, first lien, 1-4 family, residential mortgage loan originated or purchased by Wells Fargo Home Mortgage, Inc. o Five-year subordinate certificate prepayment lock-out. If, within the first 36 months, the credit support to the senior certificates is twice the original credit support percentage, then the subordinate certificates would be entitled to 50% of their pro rata share of principal prepayment proceeds, subject to certain loss and delinquency criteria. If, after the first 36 months, the credit support is twice the original credit support percentage, then the subordinate certificates would be entitled to 100% of their pro rata share of principal prepayment proceeds. o The subordinate certificates will be cross-collateralized. ----------------------------------------------------------------- Time Table ----------------------------------------------------------------- Expected Settlement: December 30, 2003 Cut-off Date: December 1, 2003 First Distribution Date: January 25, 2004 -------------------------------------------------------------------- Key Terms -------------------------------------------------------------------- Issuer: GSR Mortgage Loan Trust 2003-13 Depositor: GS Mortgage Securities Corp. Servicer: Wells Fargo Home Mortgage, Inc. Trustee/Custodian: JPMorgan Chase Bank Servicing/Trustee Fee: 37.5/0.25 bps Distribution Date: 25th day of the month or the following Business Day Record Date: Last business day of the interest accrual period for such certificates Interest Accrual: 30/360 basis for all classes of certificates Servicer Advancing: Yes, subject to recoverability Compensating Interest: To the extent of the aggregate monthly servicing fee Optional Call: 10% optional termination provision Rating Agencies: Senior certificates - two of Moody's, S&P and Fitch Minimum Denomination: Senior certificates - $25,000 Interest only certificates - $5,000,000 Legal Investment: All certificates offered by this term sheet are expected to be SMMEA eligible at settlement ERISA Eligible: Underwriter's exemption is expected to apply to all offered certificates; however, prospective purchasers should consult their own counsel Tax Treatment: All offered certificates represent REMIC regular interests

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