EXHIBIT 32.2 CERTIFICATION OF PRINCIPAL ACCOUNTING OFFICER OF STILLWATER MINING COMPANY PURSUANT TO 18 U.S.C. SECTION 1350 Pursuant to 18 U.S.C. Section 1350 and in connection with the accompanying report on Form 10-K for the period ended December 31, 2003 that is being filed concurrently with the Securities and Exchange Commission on the date hereof (the "Report"), I, Thomas T. Angelos, Controller of Stillwater Mining Company (the "Company") hereby certify that, to my knowledge: 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. March 15, 2004, /s/ Thomas T. Angelos Thomas T. Angelos Controller and Principal Accounting Officer The above certification is furnished solely to accompany the Report pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. 1350) and is not being filed as part of the Form 10-Q/A or as a separate disclosure statement.