EX-99.1 3 j0058201exv99w1.txt CERTIFICATION OF ZENSEN, SMITH EXHIBIT 99.1 STATEMENT PURSUANT TO 18 U.S.C. SECTION 1350 AS REQUIRED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with Amendment No. 1 on Form 10-K/A of Sylvan Inc. (the "Company"), as filed with the Securities and Exchange Commission on the date hereof (the "Report"), the undersigned hereby certify that to the best of our knowledge: 1. The Report fully complies with the requirements of Section 13(a) or 15(d), as applicable, 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. Dated: April 28, 2003 /s/ DENNIS C. ZENSEN --------------------------- Dennis C. Zensen Chairman, President and Chief Executive Officer Dated: April 28, 2003 /s/ DONALD A. SMITH --------------------------- Donald A. Smith Chief Financial Officer 13