Exhibit 99.1

                            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  Annual  Report of the  Miravant  Medical  Technologies
401(k)-Employee  Stock  Ownership  Plan (the "Plan") on Form 11-K for the period
ending [December 31, 2002] as filed with the Securities and Exchange  Commission
on the date hereof (the "Report"), I, John M. Philpott,  Chief Financial Officer
certify,  pursuant to 18 U.S.C.  ss. 1350, as adopted pursuant to ss. 906 of the
Sarbanes-Oxley Act of 2002, that:

1.   The Report fully  complies  with the  requirements  of Section 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 Plan.

                                      /s/ John M. Philpott
                                      --------------------
                                          John M. Philpott
                                          Chief Financial Officer

                                          June 27, 2003

A signed  original of this  written  statement  required by Section 906 has been
provided to the Company and will be retained by the Company and furnished to the
Securities and Exchange Commission or its staff upon request.