EXHIBIT 32.1

Exhibit 32.1

CHIMERA INVESTMENT CORPORATION
1211 AVENUE OF THE AMERICAS
SUITE 2902
NEW YORK, NEW YORK 10036


CERTIFICATION


PURSUANT TO SECTION 906 OF THE

SARBANES-OXLEY ACT OF 2002, 10 U.S.C. SECTION 1350

In connection with the quarterly report on Form 10-Q of Chimera
Investment Corporation (the "Company") for the period ended September 30, 2008
to be filed with Securities and Exchange Commission on or about the date hereof
(the "Report"), I, Matthew Lambiase, President, and Chief Executive Officer of
the Company, certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002,
18 U.S.C. Section 1350, that:


1. The Report fully complies with the requirements of Section 13(a) or
15(d) of the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of
the Company at the dates of, and for the periods covered by, the
Report.

It is not intended that this statement be deemed to be filed for purposes of the
Securities Exchange Act of 1934.

/s/ Matthew Lambiase
--------------------
Matthew Lambiase
Chief Executive Officer and President
November 10, 2008

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