Quantum Schedules Fiscal 2005 Fourth Quarter and Year End Financial Results Conference Call

IRVINE, Calif., June 29 -- Quantum Fuel Systems Technologies Worldwide, Inc., will hold a conference call to announce its fiscal 2005 fourth quarter and year end financial results. The call will be held on Thursday, June 30, 2005 at 1:30 p.m. Pacific Time (4:30 p.m. Eastern Time).

If you are interested in participating, call the following number five to ten minutes prior to the starting time: (706) 643-3625, Conference ID# 7520464. An operator will check your name and organization and ask you to wait until the call begins.

For those of you unable to join us at this time, the playback will be available via telephone approximately two hours after the call until July 6, 2005, at 8:55 p.m. Pacific time. The number for this service is (800) 642-1687 or (706) 645-9291, Conference ID# 7520464. The playback of this call will also be available on the Company's Investor Relations web page by July 5, 2005 for approximately two weeks: http://www.qtww.com/about/investor_information/conference_calls/index.php.

  For assistance, please call Melinda Campbell at (949) 399-4536.

  About Quantum

Quantum is a leader in powertrain engineering, system integration and manufacturing of packaged fuel systems and accessories for specialty vehicles and applications, including fuel cells, hybrids, alternative fuels, hydrogen refueling, new body styles, mid-cycle vehicle product enhancements, and high performance engines and drive trains for OEMs and consumers of specialty equipment parts and accessories. Quantum also designs and manufactures hybrid and fuel cell vehicles.

Quantum has product commercialization alliances with General Motors, AM General, Sumitomo and IMPCO. Quantum's customer base includes General Motors, Toyota, Opel, Hyundai, Suzuki, Ford, DaimlerChrysler, Sunline, Yamaha, AeroVironment, and the U.S. Army.

More information can be found about Quantum's products and services at www.qtww.com.

  Quantum is a member of the Russell 2000(R) and Russell 3000(R) indexes.

   For more information call:

   Dale Rasmussen
   Investor Relations
   206-315-8242

   Cathy Johnston
   Director of Communications
   and Corporate Support
   949-399-4548
   cjohnston@qtww.com
   
   (C)2005 Quantum Fuel Systems Technologies Worldwide, Inc.
   Advanced Technology Center
   17872 Cartwright Road, Irvine, CA  92614
   Phone 949-399-4500   Fax 949-399-4600