Published on February 14, 2008
Exhibit
32.1
CERTIFICATION
PURSUANT
TO SECTION 906 OF THE
SARBANES-OXLEY
ACT OF 2002, 10 U.S.C. SECTION 1350
In
connection with the annual report on Form 10-K of MFA Mortgage Investments,
Inc.
(the “Company”) for the period ended December 31, 2007 to be filed with
Securities and Exchange Commission on or about the date hereof (the “Report”),
I, Stewart Zimmerman, 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:
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1.
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The
Report fully complies with the requirements of Section 13(a) or
15(d) of
the Securities Exchange Act of 1934; and
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2.
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The
information contained in the Report fairly presents, in all material
respects, the financial condition and results of operations of
the
Company.
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It
is not
intended that this statement be deemed to be filed for purposes of the
Securities Exchange Act of 1934.
Date: February
13, 2008
By: /s/
Stewart
Zimmerman
Stewart
Zimmerman
Title: Chief
Executive Officer and President
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