EX-99.1 3 exh99-1.txt CERTIFICATION FOR REX LEWIS, CEO OF AMERIMMUNE PHARMACEUTICALS, INC. EXHIBIT 99.1 AMERIMMUNE PHARMACEUTICALS, INC. CERTIFICATION 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 Quarterly Report of Amerimmune Pharmaceuticals, Inc. (the "Company") on Form 10-Q for the period ended September 30, 2002, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Rex Lewis, the Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Subsection 1350, as adopted pursuant to Subsection 906 of the Sarbanes-Oxley Act of 2002, that to 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/ REX LEWIS --------------------------- Rex Lewis Chief Executive Officer November 19, 2002