Item 1.01. Entry into a Material Definitive Agreement.

On June 12, 2008, Chimera Investment Corporation (the "Company"), entered into Amendment No. 1 (the "Amendment") to the Master Repurchase Agreement, dated January 18, 2008 (the "Master Repurchase Agreement") between Credit Suisse First Boston Mortgage Capital LLC ("Buyer") and the Company. Buyer was one of the underwriters of the Company's November 2007 initial public offering.

The Amendment, among other things, eases a financial covenant under the facility for the period commencing January 1, 2008 and ending March 31, 2008. The Company has no borrowings outstanding under this facility. The Master Repurchase Agreement was filed with the Securities and Exchange Commission on January 24, 2008. The Amendment is filed as Exhibit 10.1 to this Current Report and is incorporated herein by reference.