EXHIBIT 99.1 CERTIFICATION OF CHIEF ADMINISTRATIVE OFFICER REGARDING PERIODIC REPORT CONTAINING FINANCIAL STATEMENTS I, Steven A. Schumm, the Chief Administrative Officer of Enstar Income/Growth Program Five-A, L.P. (the "Partnership") in compliance with 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, hereby certify that, the Partnership's Annual Report on Form 10-K for the period ended December 31, 2002 (the "Report") filed with the Securities and Exchange Commission: - fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934; and - the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. /s/ Steven A. Schumm --------------------- Steven A. Schumm Chief Administrative Officer April 17, 2003