EXHIBIT 99.1 CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 (SUBSECTIONS (a) AND (b) OF SECTION 1350, CHAPTER 63 OF TITLE 18, UNITED STATES CODE) Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of section 1350, chapter 63 of title 18, United States Code), each of the undersigned officers of eXegenics Inc., a Delaware corporation (the "Company"), does hereby certify, to such officer's knowledge, that: The Quarterly Report on Form 10-Q for the quarter ended June 30, 2002 (the "Form 10-Q") of the Company fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, and the information contained in the Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of the Company. Dated: 08/09/02 /s/ RONALD L. GOODE ----------------------------- RONALD L. GOODE [PRINCIPAL EXECUTIVE OFFICER] Dated: 08/09/02 /s/ JOAN H. GILLETT ----------------------------- JOAN H. GILLETT [PRINCIPAL FINANCIAL OFFICER] The foregoing certification is being furnished solely pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of section 1350, chapter 63 of title 18, United States Code) and is not being filed as a separate disclosure document.