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 Quarterly Report of RXi Pharmaceuticals Corporation. (the “Company”) on
Form 10-Q for the period ended June 30, 2009 as filed with the Securities and Exchange Commission
on the date hereof (the “Report”), the undersigned officers of the Company certify, pursuant to 18
U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that to their
knowledge:
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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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The information contained in the Report fairly presents, in all material
respects, the Company’s financial condition and result of operations. |
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/s/ Tod Woolf
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/s/ Stephen J. DiPalma
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Tod Woolf
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Stephen J. DiPalma |
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President and Chief Executive Officer
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Chief Financial Officer |
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August 14, 2009
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August 14, 2009 |
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