Exhibit 32.1

Section 1350 Certification

Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (“Section 906”), John M. Slusser and Dorrance W. Lamb, the Chief Executive Officer and Chief Financial Officer, respectively, of Performance Technologies, Incorporated, certify that (i) the Annual Report on Form 10-K for the year ended December 31, 2012 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and (ii) the information contained in such report fairly presents, in all material respects, the financial condition and results of operations of Performance Technologies, Incorporated.

A signed original of this written statement required by Section 906 has been provided to Performance Technologies, Incorporated and will be retained by Performance Technologies, Incorporated and furnished to the Securities and Exchange Commission or its staff upon request.