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Unveiling and Demonstration of Ballard's Breakthrough Power Generation System Today.

    DEARBORN, Mich.--Aug. 7, 2002--Ballard Power (TSX:BLD.TO)



WHO:     Firoz Rasul          Chairman and Chief Executive Officer,
                              Ballard Power Systems

         Ross Witschonke      Vice President and General Manager,
                              Ballard Power Systems Electric Drives
                              & Power Conversion Division

         John Engler          Governor, State of Michigan

         Carl Levin           Senator, U.S. Senate

         John Rintamaki       Chief of Staff & Corporate Secretary,
                              Ford Motor Company

         Dr. Gerhard Schmidt  Vice President Research, Ford Motor
                              Company

WHAT:    News conference to introduce and demonstrate a breakthrough
         in power generation products that will assist in developing
         the infrastructure to support the commercialization of future
         fuel cell power generation products.

         Governor Engler will discuss his NextEnergy Initiative, and
         how Ballard's products support this initiative.

         Senator Carl Levin will discuss Government-Industry
         Collaboration and Advanced Technology Development.

         John Rintamaki and Dr. Gerhard Schmidt will discuss Ford's
         commitment to the environment and the company's engine
         technology that made this breakthrough possible.

         Following the press conference, media will have an
         opportunity to interview members of Ballard's and Ford's
         senior management teams and tour Ballard's local facility.

WHEN:    Wednesday, August 7th, 2002
         Press Conference - 11:00 a.m. to 12:30 p.m.

WHERE:   Ballard Power Systems - Alternative Energy Lab
         15201 Century Drive
         Suite 607 / 608
         Dearborn, MI 48120

VISUALS: Photo opportunity available of "next generation" power system.

CONFERENCE CALL:
         The media event will be broadcast by conference call on
         Wednesday, August 7, 2002 at 11:00 am EDT (8:00 a.m. PDT).
         Access to the call may be obtained by calling the operator at
         866-541-2081 (North America) or 630-424-2081 (International)
         before the scheduled start time.