EXHIBIT 32.1
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
In connection with the Annual Report on Form 10-K of Mack-Cali Realty Corporation (the “Company”) for the year ended December 31, 2010, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Mitchell E. Hersh, as President and Chief Executive Officer of the Company, and Barry Lefkowitz, as Chief Financial Officer of the Company, each hereby certifies, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that:
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(1)
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The Report fully complies with the requirements of §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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Date: February 9, 2011
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By:
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/s/ Mitchell E. Hersh
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Mitchell E. Hersh
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President and
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Chief Executive Officer
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Date: February 9, 2011
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By:
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/s/ Barry Lefkowitz
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Barry Lefkowitz
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Executive Vice President and
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Chief Financial Officer
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This certification accompanies each Report pursuant to §906 of the Sarbanes-Oxley Act of 2002 and shall not, except to the extent required by the Sarbanes-Oxley Act of 2002, be deemed filed by the Company for purposes of §18 of the Securities Exchange Act of 1934, as amended.
A signed original of this written statement required by §906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.