STRUCTURED ASSET SECURITIES CORPORATION, as Purchaser and THORNBURG MORTGAGE FUNDING, INC., as Seller SASCO MORTGAGE LOAN PURCHASE AGREEMENT Dated as of February 1, 2007 (Adjustable Rate and Hybrid Mortgage Loans) Thornburg Mortgage Securities Trust...Sasco Mortgage Loan Purchase Agreement • March 14th, 2007 • Thornburg Mortgage Securities Trust 2007-1 • Asset-backed securities • New York
