X0202 4 2008-06-13 0001409493 CHIMERA INVESTMENT CORP CIM 0001418814 ValueAct Holdings, L.P. 435 PACIFIC AVENUE, 4TH FLOOR SAN FRANCISCO CA 94133 0 0 1 0 0001375350 VA Partners III, LLC 435 PACIFIC AVENUE, 4TH FLOOR SAN FRANCISCO CA 94133 0 0 1 0 0001351069 ValueAct Capital Management, L.P. 435 PACIFIC AVENUE, 4TH FLOOR SAN FRANCISCO CA 94133 0 0 1 0 0001351073 ValueAct Capital Management, LLC 435 PACIFIC AVENUE, 4TH FLOOR SAN FRANCISCO CA 94133 0 0 1 0 0001418813 ValueAct Holdings GP, LLC 435 PACIFIC AVENUE, 4TH FLOOR SAN FRANCISCO CA 94133 0 0 1 0 Common Stock, par value $.01 per share 2008-06-13 4 P 0 108400 10.94 A 3989428 I See footnote The reported stock is owned directly by ValueAct Capital Master Fund III, L.P. and may be deemed to be beneficially owned by (i) VA Partners III, LLC as General Partner of ValueAct Capital Master Fund III, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund III, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the sole owner of the limited partnership interests of ValueAct Capital Management, L.P. and the membership interests of ValueAct Capital Management, LLC and as the majority owner of the membership interests of VA Partners III, LLC and (v) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P. Joint Filer Information: Name: ValueAct Capital Master Fund III, L.P. Address: 435 Pacific Avenue, 4th Floor, San Francisco, CA 94133 Designated Filer: ValueAct Holdings, L.P. Issuer and Ticker: Chimera Investment Corporation (CIM) Date of Event Requiring Statement: 06/13/2008 Name: VA Partners III, LLC Address: 435 Pacific Avenue, 4th Floor, San Francisco, CA 94133 Designated Filer: ValueAct Holdings, L.P. Issuer and Ticker: Chimera Investment Corporation (CIM) Date of Event Requiring Statement: 06/13/2008 Name: ValueAct Capital Management, L.P. Address: 435 Pacific Avenue, 4th Floor, San Francisco, CA 94133 Designated Filer: ValueAct Holdings, L.P. Issuer and Ticker: Chimera Investment Corporation (CIM) Date of Event Requiring Statement: 06/13/2008 Name: ValueAct Capital Management, LLC Address: 435 Pacific Avenue, 4th Floor, San Francisco, CA 94133 Designated Filer: ValueAct Holdings, L.P. Issuer and Ticker: Chimera Investment Corporation (CIM) Date of Event Requiring Statement: 06/13/2008 Name: ValueAct Holdings GP, LLC Address: 435 Pacific Avenue, 4th Floor, San Francisco, CA 94133 Designated Filer: ValueAct Holdings, L.P. Issuer and Ticker: Chimera Investment Corporation (CIM) Date of Event Requiring Statement: 06/13/2008 VALUEACT HOLDINGS, L.P., By: VALUEACT HOLDINGS GP, LLC, its General Partner, By:/s/ George F. Hamel. Jr., Chief Operating Officer 2008-06-16 VALUEACT CAPITAL MASTER FUND III, L.P., By: VA PARTNERS III, LLC, its General Partner, By:/s/ George F. Hamel. Jr., Chief Operating Officer 2008-06-16 VA PARTNERS III, LLC, By:/s/ George F. Hamel. Jr., Chief Operating Officer 2008-06-16 VALUEACT CAPITAL MANAGEMENT, L.P., By: VALUEACT CAPITAL MANAGEMENT, LLC, its General Partner, By:/s/ George F. Hamel. Jr., Chief Operating Officer 2008-06-16 VALUEACT CAPITAL MANAGEMENT, LLC, By:/s/ George F. Hamel. Jr., Chief Operating Officer 2008-06-16 VALUEACT HOLDINGS GP, LLC, By:/s/ George F. Hamel. Jr., Chief Operating Officer 2008-06-16