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 International Aluminum Corporation (the “Company”) on Form 10-K for the period ending June 30, 2002 as filed with the Securities and Exchange Commission on September 23, 2002 (the “Report”), I, Mitchell K. Fogelman, the Senior Vice President-Finance and Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:
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/ MITCHELL K. FOGELMAN |
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Mitchell K. Fogelman | |
Senior Vice President — Finance | |
and Chief Financial Officer | |
September 30, 2002 | |
