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 of GeoVax Labs, Inc. (the “Company”) on Form 10-K/A for the year ended December 31, 2008, I, Robert T. McNally, hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes — Oxley Act of 2002, that to the best of my knowledge:
1. The annual report on Form 10-K, as amended by Form 10-K/A, fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934; and
2. The information contained in the annual report fairly presents, in all material respects, the financial condition and results of operations of the Company.
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| Dated: October 12, 2009 | /s/ Robert T. McNally | |
| | Robert T. McNally | |
| | President & Chief Executive Officer | |
