Miravant Medical (MRVT) 10-Q 2005 Q2 Quarterly report

Exhibit 32.1

CERTIFICATION OF THE PRESIDENT

PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, David E. Mai, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report of Miravant Medical Technologies on Form 10-Q for the fiscal quarter ended June 30, 2005 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Quarterly Report on Form 10-Q fairly presents in all material respects the financial condition and results of operations of Miravant Medical Technologies.

August 15, 2005

By:/s/ David E. Mai

Name: David E. Mai

Title: President

CERTIFICATION OF CHIEF FINANCIAL OFFICER

PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, John M. Philpott, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report of Miravant Medical Technologies on Form 10-Q for the fiscal quarter ended June 30, 2005 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Quarterly Report on Form 10-Q fairly presents in all material respects the financial condition and results of operations of Miravant Medical Technologies.

August 15, 2005

By:/s/ John M. Philpott  

Name: John M. Philpott

Title: Chief Financial Officer