Structured Asset Securities Corp Mo Pa Th Ce Ser 2003-25xs Sample Contracts

Structured Asset Securities Corp Mo Pa Th Ce Ser 2003-25xs – LEHMAN BROTHERS HOLDINGS INC., SELLER and STRUCTURED ASSET SECURITIES CORPORATION, PURCHASER MORTGAGE LOAN SALE AND ASSIGNMENT AGREEMENT Dated as of July 1, 2003 Structured Asset Securities Corporation (Mortgage Pass-Through Certificates, Series 2003-25XS) (August 14th, 2003)

This MORTGAGE LOAN SALE AND ASSIGNMENT AGREEMENT, dated as of July 1, 2003 (the “Agreement”), is executed by and between Lehman Brothers Holdings Inc. (“LBH” or the “Seller”) and Structured Asset Securities Corporation (the “Depositor”).

Structured Asset Securities Corp Mo Pa Th Ce Ser 2003-25xs – MBIA INSURANCE CORPORATION, as Insurer LEHMAN BROTHERS HOLDINGS INC., as Seller STRUCTURED ASSET SECURITIES CORPORATION, as Depositor and as Trustee INSURANCE AGREEMENT Structured Asset Securities Corporation Mortgage Pass-Through Certificates, Series 2003-25XS $20,928,000 Class A5 Certificates $25,917,000 Class A6 Certificates Dated as of July 1, 2003 (August 14th, 2003)

THIS INSURANCE AGREEMENT is made as of July 1, 2003 by and among MBIA INSURANCE CORPORATION (the “Insurer”), LEHMAN BROTHERS HOLDINGS INC., as Seller (“Seller”), STRUCTURED ASSET SECURITIES CORPORATION, as Depositor (the “Depositor”), and U.S. BANK NATIONAL ASSOCIATION, a national banking association, in its capacity as trustee under the Trust Agreement and not individually (the “Trustee”).

Structured Asset Securities Corp Mo Pa Th Ce Ser 2003-25xs – AURORA LOAN SERVICES INC., as Servicer LEHMAN BROTHERS HOLDINGS INC., as Seller and AURORA LOAN SERVICES INC., as Master Servicer Structured Asset Securities Corporation Mortgage Pass-Through Certificates, Series 2003-25XS SERVICING AGREEMENT Dated as of July 1, 2003 (August 14th, 2003)

THIS SERVICING AGREEMENT (this “Agreement”), entered into as of the 1st day of July, 2003, by and among LEHMAN BROTHERS HOLDINGS INC., a Delaware corporation (the “Seller”), AURORA LOAN SERVICES INC., a Delaware corporation (the “Servicer”), and AURORA LOAN SERVICES INC., as Master Servicer under the Trust Agreement (as defined herein) recites and provides as follows:

Structured Asset Securities Corp Mo Pa Th Ce Ser 2003-25xs – CERTIFICATE GUARANTY INSURANCE POLICY (August 14th, 2003)

MBIA Insurance Corporation (the “Insurer”), in consideration of the payment of the premium and subject to the terms of this Certificate Guaranty Insurance Policy (this “Policy”), hereby unconditionally and irrevocably guarantees to any Owner that an amount equal to each full and complete Insured Payment will be received by U.S. Bank National Association, or its successor, as trustee for the Owners (the “Trustee”), on behalf of the Owners from the Insurer, for distribution by the Trustee to each Owner of each Owner’s proportionate share of the Insured Payment. The Insurer’s obligations hereunder with respect to a particular Insured Payment shall be discharged to the extent funds equal to the applicable Insured Payment are received by the Trustee, whether or not such funds are properly applied by the Trustee. Insured Payments shall be made only at the time set forth in this Policy, and no accelerated Insured Payments shall be made regardless of any acceleration of the Obligations, unless

Structured Asset Securities Corp Mo Pa Th Ce Ser 2003-25xs – STRUCTURED ASSET SECURITIES CORPORATION, as Depositor, AURORA LOAN SERVICES INC., as Master Servicer, and TRUST AGREEMENT Dated as of July 1, 2003 STRUCTURED ASSET SECURITIES CORPORATION MORTGAGE PASS-THROUGH CERTIFICATES, SERIES 2003-25XS (August 14th, 2003)
Structured Asset Securities Corp Mo Pa Th Ce Ser 2003-25xs – STRUCTURED ASSET SECURITIES CORPORATION MORTGAGE PASS-THROUGH CERTIFICATES, SERIES 2003-25XS TERMS AGREEMENT (August 14th, 2003)

Underwriting Agreement Standard Terms dated as of April 16, 1996 (the “Standard Terms,” and together with this Terms Agreement, the “Agreement”).