EXHIBIT 99.2

                    CERTIFICATION OF CHIEF FINANCIAL OFFICER

I, Alan M. Wright, Chief Financial Officer of Aastrom Biosciences, Inc. (the
"Registrant"), do hereby certify in accordance with 18 U.S.C. 1350, as adopted
pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

     (1) the Quarterly Report on Form 10-Q of the Registrant, to which this
     certification is attached as an exhibit (the "Report"), fully complies with
     the requirements of Section 13(a) of the Securities Exchange Act of 1934
     (15 U.S.C. 78m); and

     (2) the information contained in the Report fairly presents, in all
     material respects, the financial condition and results of operations of the
     Registrant.

Dated: November 13, 2002                  /s/ Alan M. Wright
                                          --------------------------------
                                          Alan M. Wright
                                          Senior Vice President Administrative &
                                          Financial Operations, Chief Financial
                                          Officer, Secretary & Treasurer