. . . Exhibit 32.2 CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER AND PRINCIPAL FINANCIAL OFFICER PURSUANT TO 18 U.S.C. 1350 In connection with the Form 10-Q (the "Report") of Ferro Corporation (the "Company") [Name of Report] [Name of Company] for the period ended June 30, 2003, I Thomas M. Gannon, Vice President and Chief Financial Officer, certify that : [Date] [Name of Officer] [Title] (1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and (2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. /s/ Thomas M. Gannon - ----------------------------------------- Thomas M. Gannon Vice President and Chief Financial Officer Dated: August 14, 2003 - ------------------------------- 25