EXHIBIT 99 CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 (18 U.S.C. SECTION 1350) Pursuant to 18 U.S.C. Section 1350, the undersigned officer of Firstmark Corp. (the "COMPANY") hereby certifies: (i) that the Company's Quarterly Report on Form 10-Q for the quarter ended June 30, 2002 (the "REPORT") fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934; and (ii) that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. Dated: August 14, 2002 /s/ KURT RECHNER --------------------------- --------------------------------- Kurt Rechner Chief Financial Officer