EX-32.1 6 l03797aexv32w1.txt 906 CERTIFICATION OF CHAIRMAN, PRESIDENT, CEO EXHIBIT 32.1 SARBANES-OXLEY ACT SECTION 906 CERTIFICATION In connection with this annual report on Form 10-K of Thor Industries, Inc. for the period ended July 31, 2003, I, Wade F. B. Thompson, Chairman, President and Chief Executive Officer of Thor Industries, Inc., hereby certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that: 1. this Form 10-K for the period ended July 31, 2003 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 this Form 10-K for the period ended July 31, 2003 fairly presents, in all material respects, the financial condition and results of operations of Thor Industries, Inc. Date: October 24, 2003 /s/ WADE F. B. THOMPSON ----------------------------------------------- Wade F. B. Thompson Chairman, President and Chief Executive Officer (principal executive officer) 40