Armata Pharmaceuticals (ARMP) 10-Q 2003 Q1 Quarterly report

Exhibit 99.2

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 accompanying Quarterly Report of Targeted Genetics Corporation on Form 10-Q for the period ending March 31, 2003 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Todd E. Simpson, Vice President, Finance and Administration, Chief Financial Officer, Secretary and Treasurer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(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.

May 14, 2003	/s/    TODD E. SIMPSON
Date	Todd E. Simpson Vice President, Finance and Administration, Chief Financial Officer, Secretary and Treasurer