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 The undersigned executive officers of the registrant hereby certify that this Form 10-Q fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934 and that the information contained herein fairly presents, in all material respects, the financial condition and results of operations of the registrant. Parkvale Financial Corporation Dated: October 27, 2003 ---------------- By: /s/ Robert J. McCarthy, Jr. ----------------------------- Robert J. McCarthy, Jr. Director, President and Chief Executive Officer Exhibit 32.2 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED, PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 The undersigned executive officers of the registrant hereby certify that this Form 10-Q fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934 and that the information contained herein fairly presents, in all material respects, the financial condition and results of operations of the registrant. Parkvale Financial Corporation Dated: October 27, 2003 By: /s/ Timothy G. Rubritz ------------------------------- Timothy G. Rubritz Vice President-Treasurer and Chief Financial Officer 21