Ballard Power Systems Announces 2004 Year End Conference Call

    News Editors

    VANCOUVER, British Columbia--(BUSINESS WIRE)--Feb. 10, 2005--Ballard Power Systems Inc. (TSX:BLD)(NASDAQ:BLDP) will hold a conference call to discuss details regarding the company's 2004 performance and forward-looking information on Thursday, February 17, 2005 at 7:00 a.m. PST (10:00 a.m. EST).

    Access to the call may be obtained by calling the operator at 416.640.4127 before the scheduled start time. A playback version of the call will be available for 24 hours after the call at 416.640.1917. The confirmation number to access the playback is 21105361#. The audio web cast can be accessed on Ballard's web site at www.ballard.com, and will be archived for replay for two weeks.

    About Ballard Power Systems

    Ballard Power Systems is recognized as the world leader in developing, manufacturing and marketing zero-emission proton exchange membrane fuel cells. Ballard's mission is to develop fuel cell power as a practical alternative to internal combustion engines through technology leadership. To learn more about what Ballard is doing with Power to Change the World(R), visit www.ballard.com.

    Ballard, the Ballard logo and Power to Change the World are registered trademarks of Ballard Power Systems Inc.

    Ballard Power Systems Inc. (TSX:BLD) (NASDAQ:BLDP)

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CONTACT: Ballard Power Systems Inc. - Investor Information Michael Rosenberg (604) 412-3195 Fax: (604) 412-3100 investors@ballard.com OR Ballard Power Systems Inc. - Media Information Media Relations (604) 454-0900 Fax: (604) 412-3100 media@ballard.com OR Ballard Power Systems Inc. - Product Information Marketing Department (604) 453-3520 Fax: (604) 412-3100 marketing@ballard.com www.ballard.com

KEYWORD: NEW YORK INTERNATIONAL CANADA INDUSTRY KEYWORD: ENERGY TRANSPORTATION ENVIRONMENT CONFERENCE CALLS SOURCE: Ballard Power Systems Inc.

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