Common use of Agreement to Purchase Clause in Contracts

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29, 2005 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April 1, 2005 (the "Cut-off Date") of $ 3,500,003,306.66 after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct the Trustee to enter into the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the Trust.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29November 30, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April November 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $[__] after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct the Trustee to enter into the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the Trust.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before as of April 2927, 2005 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April 1, 2005 (the "Cut-off Date") of $ 3,500,003,306.66 $1,967,000,000, after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct the Trustee Swap Administrator to enter into the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the Trust.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29as of September 8, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April September 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $999,999,703.50, after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April as of March 29, 2005 2006 (the "“Closing Date"”), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "“Mortgage Loans"”), having an aggregate principal balance as of the close of business on April March 1, 2005 2006 (the "“Cut-off Date"”) of $ 3,500,003,306.66 $1,000,001,368.56 after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "“Closing Balance"”), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct the Trustee to enter into the Interest Rate Swap Agreement and a the Swap Administration Agreement on behalf of the Trust.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 296, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-fixed- rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $1,251,169,059.24 after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29as of June 4, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April June 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $1,000,000,572.05, after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29June 7, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-fixed- rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April June 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $349,996,166.59 after giving effect to all payments due on the Mortgage Loans on or before the Cut-Cut- off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29as of September 20, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April September 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $300,005,332.11, after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29, 2005 as of June 28 2006 (the "“Closing Date"”), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "“Mortgage Loans"”), having an aggregate principal balance as of the close of business on April June 1, 2005 2006 (the "“Cut-off Date"”) of $ 3,500,003,306.66 $2,461,456,959 after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "“Closing Balance"”), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct the Trustee to enter into the Interest Rate Swap Agreement and a the Swap Administration Agreement on behalf of the Trust.

Agreement to Purchase. The Seller Originator hereby sells, and the Purchaser hereby purchases, on or before April 29as of May 14, 2005 2003 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April May 1, 2005 2003 (the "Cut-off Date") of $ 3,500,003,306.66 $1,000,000,549.00, after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the SellerOriginator. In addition to the sale of the Mortgage Loans, the Seller Originator will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29as of May 5, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April May 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $999,999,310.29, after giving effect to all payments due on the Mortgage Loans on or before the Cut-Cut- off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before as of April 298, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $1,000,000,582.74, after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller Originator hereby sells, and the Purchaser hereby purchases, on or before April 29as of October 24, 2005 2003 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April October 1, 2005 2003 (the "Cut-off Date") of $ 3,500,003,306.66 $400,000,298.39, after giving effect to all payments due on the Mortgage Loans on or before the Cut-Cut- off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the SellerOriginator. In addition to the sale of the Mortgage Loans, the Seller Originator will direct cause the Trustee Cap Contract to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29August 6, 2005 2003 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April August 1, 2005 2003 (the "Cut-off Date") of $ 3,500,003,306.66 $400,000,191, after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-Cut- off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29August 26, 2005 (the "“Closing Date"”), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "“Mortgage Loans"”), having an aggregate principal balance as of the close of business on April August 1, 2005 (the "“Cut-off Date"”) of $ 3,500,003,306.66 $1,500,000,050.60 after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "“Closing Balance"”), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct the Trustee to enter into the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the Trust.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29as of June 9, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April June 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $899,999,661.60, after giving effect to all payments due on the Mortgage Loans on or before the Cut-Cut- off Date (the "Closing Balance"), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29January 26, 2005 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April January 1, 2005 (the "Cut-off Date") of $ 3,500,003,306.66 $1,812,600,000.00 after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct the Trustee to enter into the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the Trust.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29as of December 8, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April December 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $[__], after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29December 4, 2005 2003 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April December 1, 2005 2003 (the "Cut-off Date") of $ 3,500,003,306.66 $562,500,066.95 after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29May 4, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-fixed- rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April May 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $800,000,174.23 after giving effect to all payments due on the Mortgage Loans on or before the Cut-Cut- off Date (the "Closing Balance"), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29May 6, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-fixed- rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April May 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $1,065,000,005.62 after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29as of October 7, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April October 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $1,299,999,703.23, after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29November [__], 2005 2003 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April November 1, 2005 2003 (the "Cut-off Date") of $ 3,500,003,306.66 $[__], after giving effect to all payments due on the Mortgage Loans on or before the Cut-Cut- off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29November 12, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April November 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $3,450,001,024.91 after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29as of June 24, 2005 (the "“Closing Date"”), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "“Mortgage Loans"”), having an aggregate principal balance as of the close of business on April June 1, 2005 (the "“Cut-off Date"”) of $ 3,500,003,306.66 $1,500,000,302.10 after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "“Closing Balance"”), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct the Trustee Swap Administrator to enter into the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the Trust.

Agreement to Purchase. The Seller Originator hereby sells, and the Purchaser hereby purchases, on or before April 29February 14, 2005 2003 (the "Closing Date"), certain adjustable-adjustable- rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April February 1, 2005 2003 (the "Cut-off Date") of $ 3,500,003,306.66 400,060,615.45, after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct the Trustee to enter into the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustOriginator.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29October 8, 2005 2003 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April September 1, 2005 2003 (the "Cut-off Date") of $ 3,500,003,306.66 $1,500,000,596, after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29May 31, 2005 (the "“Closing Date"”), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "“Mortgage Loans"”), having an aggregate principal balance as of the close of business on April May 1, 2005 (the "“Cut-off Date"”) of $ 3,500,003,306.66 2,000,047,777.06 after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "“Closing Balance"”), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct the Trustee to enter into the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the Trust.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 297, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-fixed- rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $[_______________] after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29September 28, 2005 (the "“Closing Date"”), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "“Mortgage Loans"”), having an aggregate principal balance as of the close of business on April September 1, 2005 (the "“Cut-off Date"”) of $ 3,500,003,306.66 $1,416,191,256.74 after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "“Closing Balance"”), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct the Trustee to enter into the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the Trust.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29June 28, 2005 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April June 1, 2005 (the "Cut-off Date") of $ 3,500,003,306.66 $2,400,002,668.13 after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct the Trustee to enter into the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the Trust.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before as of April 2914, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $699,999,866.82, after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct the Trustee to enter into the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the Trust.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29February 23, 2005 2006 (the "“Closing Date"”), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "“Mortgage Loans"”), having an aggregate principal balance as of the close of business on April February 1, 2005 2006 (the "“Cut-off Date"”) of $ 3,500,003,306.66 $1,500,014,870.05 after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "“Closing Balance"”), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct the Trustee to enter into the Interest Rate Swap Agreement and a the Swap Administration Agreement on behalf of the Trust.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29March 5, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April March 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $[__] after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29February 25, 2005 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April February 1, 2005 (the "Cut-off Date") of $ 3,500,003,306.66 $1,902,000,000 after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct the Trustee to enter into the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the Trust.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29as of July 7, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April July 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $2,399,997,548.29, after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29as of March 24, 2005 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April March 1, 2005 (the "Cut-off Date") of $ 3,500,003,306.66 $1,200,000,437.10, after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29as of November 12, 2005 2003 (the "Closing Date"), certain adjustable-rate and fixed-fixed- rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April November 1, 2005 2003 (the "Cut-off Date") of $ 3,500,003,306.66 $1,433,339,759.35, after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29as of February 6, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April February 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $1,300,000,075.38, after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April March 29, 2005 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April March 1, 2005 (the "Cut-off Date") of $ 3,500,003,306.66 $842,000,293 after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct the Trustee to enter into the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the Trust.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29as of December 11, 2005 2003 (the "Closing Date"), certain adjustable-rate and fixed-fixed- rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April December 1, 2005 2003 (the "Cut-off Date") of $ 3,500,003,306.66 $880,001,842.89, after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29as of February 23, 2005 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April February 1, 2005 (the "Cut-off Date") of $ 3,500,003,306.66 $1,500,000,629.77, after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29as of August 5, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April August 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $2,500,000,164.75, after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29as of September 27, 2005 (the "“Closing Date"”), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "“Mortgage Loans"”), having an aggregate principal balance as of the close of business on April September 1, 2005 (the "“Cut-off Date"”) of $ 3,500,003,306.66 $2,238,485,101.34, after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "“Closing Balance"”), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct the Trustee to enter into the Interest Rate Swap Agreement, the Class A-2B1 Swap Agreement and a the Swap Administration Agreement on behalf of the Trust.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29as of December 5, 2005 2003 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April December 1, 2005 2003 (the "Cut-off Date") of $ 3,500,003,306.66 $572,457,826.28, after giving effect to all payments due on the Mortgage Loans on or before the Cut-Cut- off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, agrees to sell and the Purchaser hereby purchasesagrees to purchase, on or before April 29August 26, 2005 2002 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April August 1, 2005 2002 (the "Cut-off Date") ), of $ 3,500,003,306.66 $839,206,098.52, after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct the Trustee to enter into the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the Trust.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29August 30, 2005 (the "“Closing Date"”), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "“Mortgage Loans"”), having an aggregate principal balance as of the close of business on April August 1, 2005 (the "“Cut-off Date"”) of $ 3,500,003,306.66 $2,275,008,853.15 after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "“Closing Balance"”), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage LoansLoans on or before the Cut-off Date. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct the Trustee to enter into the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the Trust.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29February 5, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April February 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $1,300,771,868.55 after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29July 28, 2005 (the "“Closing Date"”), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "“Mortgage Loans"”), having an aggregate principal balance as of the close of business on April July 1, 2005 (the "“Cut-off Date"”) of $ 3,500,003,306.66 $1,500,005,235.02 after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "“Closing Balance"”), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct the Trustee to enter into the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the Trust.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29October 7, 2005 2003 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April September 1, 2005 2003 (the "Cut-off Date") of $ 3,500,003,306.66 $575,000,265, after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April as of July 29, 2005 (the "“Closing Date"”), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "“Mortgage Loans"”), having an aggregate principal balance as of the close of business on April July 1, 2005 (the "“Cut-off Date"”) of $ 3,500,003,306.66 $1,200,000,912.21 after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "“Closing Balance"”), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct the Trustee Swap Administrator to enter into the Interest Rate Swap Agreement and a the Group II Swap Administration Agreement on behalf of the Trust.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29May 26, 2005 (the "“Closing Date"”), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "“Mortgage Loans"”), having an aggregate principal balance as of the close of business on April May 1, 2005 (the "“Cut-off Date"”) of $ 3,500,003,306.66 2,000,001,802.82 after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "“Closing Balance"”), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct the Trustee to enter into the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the Trust.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29December 9, 2005 2003 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April December 1, 2005 2003 (the "Cut-off Date") of $ 3,500,003,306.66 $1,050,000,001.01 after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before as of April 2919, 2005 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April 1, 2005 (the "Cut-off Date") of $ 3,500,003,306.66 $2,500,000,210.84, after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct the Trustee cause certain payments made pursuant to enter into the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of to be transferred to the TrustIssuer.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29as of October 8, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April October 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $1,399,988,464.82, after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29August 5, 2005 2003 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Initial Mortgage Loans"), having an aggregate principal balance as of the close of business on April August 1, 2005 2003 (the "Cut-off Date") of $ 3,500,003,306.66 $971,937,266, after giving effect to all payments due on the Initial Mortgage Loans on or before the Cut-Cut- off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Initial Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Initial Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29June 4, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-fixed- rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April June 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $499,999,111.98 after giving effect to all payments due on the Mortgage Loans on or before the Cut-Cut- off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29September 7, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April September 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $[__] after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29as of November 5, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April November 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $1,200,018,191.50, after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29as of May 25, 2005 (the "“Closing Date"”), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "“Mortgage Loans"”), having an aggregate principal balance as of the close of business on April May 1, 2005 (the "“Cut-off Date"”) of $ 3,500,003,306.66 $1,979,000,000, after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "“Closing Balance"”), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct the Trustee Swap Administrator to enter into the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the Trust.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29March 4, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-fixed- rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April March 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $1,000,004,465.06 after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29November 10, 2005 2003 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April November 1, 2005 2003 (the "Cut-off Date") of $ 3,500,003,306.66 $1,125,000,127.00, after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29as of October 10, 2005 2003 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April October 1, 2005 2003 (the "Cut-off Date") of $ 3,500,003,306.66 $1,199,999,820.21, after giving effect to all payments due on the Mortgage Loans on or before the Cut-Cut- off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29March 9, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April March 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $500,000,018.50 after giving effect to all payments due on the Mortgage Loans on or before the Cut-Cut- off Date (the "Closing Balance"), whether or not received, including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29January 9, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April January 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 699,999,988 after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before as of April 295, 2005 2004 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April 1, 2005 2004 (the "Cut-off Date") of $ 3,500,003,306.66 $800,000,585.32, after giving effect to all payments due on the Mortgage Loans on or before the Cut-Cut- off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.

Agreement to Purchase. The Seller hereby sells, and the Purchaser hereby purchases, on or before April 29September 5, 2005 2003 (the "Closing Date"), certain adjustable-rate and fixed-rate conventional, one- to four-family, residential mortgage loans (the "Mortgage Loans"), having an aggregate principal balance as of the close of business on April September 1, 2005 2003 (the "Cut-off Date") of $ 3,500,003,306.66 $1,600,000,067, after giving effect to all payments due on the Mortgage Loans on or before the Cut-off Date (the "Closing Balance"), whether or not received, received including the right to any Prepayment Charges collected after the Cut-off Date from the Mortgagors in connection with any Principal Prepayments on the Mortgage Loans. Any payments (including Prepayment Charges) collected on or before the Cut-off Date, including all scheduled payments of principal and interest due on or before the Cut-off Date and collected after the Cut-off Date, shall belong to the Seller. In addition to the sale of the Mortgage Loans, the Seller will direct cause the Trustee Cap Contracts to enter into be transferred to the Interest Rate Swap Agreement and a Swap Administration Agreement on behalf of the TrustPurchaser.