EXHIBIT 99.1 Chief Executive Officer Certification Pursuant to Section 906 of the Corporate Fraud Accountability Act of 2002 (18 U.S.C. Section 1350, as adopted), Gary A. Herder, the Chief Executive Officer of Prab, Inc. (the "Company") hereby certifies that, to the best of his knowledge: 1. The Company's Quarterly Report on Form 10-QSB for the period ended July 31, 2002, and to which this Certification is attached as Exhibit 99.1 (the "Periodic 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 Periodic Report fairly presents, in all material respects, the financial condition and results of operations of the Company. Date: September 11, 2002 /S/ Gary A. Herder ----------------------- Gary A. Herder Chief Executive Officer Page 16 of 17