Exhibit 32.1 CERTIFICATION OF CHIEF EXECUTIVE OFFICER 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 on Form 10-K of Plastipak Holdings, Inc. (the "Company") for the period ended October 30, 2004 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), and pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, I, William C. Young, Chief Executive Officer of the Company, hereby certify that based on 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. /s/ William C. Young -------------------- William C. Young Chief Executive Officer Plastipak Holdings, Inc. January 28, 2005