EX-99.2


                  CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER
                       PURSUANT TO 18 U.S.C. SECTION 1350

         In connection with the accompanying Quarterly Report on Form 10-QSB of
Lifestream Technologies, Inc., for the three months ended September 30, 2002, I,
Brett Sweezy, Chief Financial Officer of Lifestream Technologies, Inc., hereby
certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906
of the Sabanes-Oxley Act of 2002, to the best of my knowledge and belief, that:

                               (1) Such Quarterly Report on Form 10-QSB for the
                               three months ended September 30, 2002 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 such Quarterly
                               Report on Form 10-QSB for the three months ended
                               September 30, 2002, fairly presents, in all
                               material respects, the financial condition and
                               results of operations of Lifestream Technologies,
                               Inc.


                                                 /s/  Brett Sweezy
                                                -----------------------
                                                Brett Sweezy
                                                Chief Financial Officer


November 14, 2002

The foregoing certification is being furnished solely pursuant to Section 906 of
the Sarbanes-Oxley of 2002 (subsection (a) and (b) of Section 1350, Chapter 63
of Title 18, U.S.C.) and is not being filed as part of this Form 10 QSB or as a
separate disclosure document.