Quantum Delivers Hydrogen Storage Systems to Suzuki

IRVINE, Calif., May 6, 2003 -- Quantum Fuel Systems Technologies Worldwide, Inc. , announced that it has developed and delivered proprietary light weight hydrogen fuel storage and delivery systems for Suzuki Motor Corporation's Fuel Cell Vehicle Program. Quantum was commissioned by Suzuki to design and integrate hydrogen fuel systems that incorporate Quantum's proprietary ultra-lightweight, all composite TriShield(TM) hydrogen tanks and its patented in-tank regulator. The 5,000-psi (350 bar) systems meet regulatory standards in the U.S. (NGV2), Japan (KHK), and Europe (EIHP).

"We selected Quantum as our hydrogen fuel storage and delivery system supplier because of their strong experience with gaseous fuels and automotive applications," said Hiroshi Tsuda, President and Chief Operating Officer of Suzuki.

Alan Niedzwiecki, President and CEO of Quantum, said, "Suzuki is an international leader in the personal mobility industry and we are proud to be part of their fuel cell vehicle program. Quantum looks forward to the start of a long term and mutually beneficial business relationship with Suzuki."

Suzuki Motor Corporation designs, builds and markets automobiles, motorcycles and other products worldwide. Suzuki employs approximately 14,260 people and had consolidated net sales of over $14 billion in fiscal year 2002. More information about Suzuki can be found on its website at www.suzuki.co.jp .

In Other News: Quantum recently announced that it entered into an agreement with Sumitomo Corporation, one of the world's leading trading and investment firms. More information can be found on Quantum's website under "News and Events": ( http://www.qtww.com/press_releases/pr_apr_22_2003.shtml ).

Quantum's gaseous fuel products business focuses on three main areas: Transportation, Stationary Power, and Refueling Infrastructure. The company manufactures both components and end products. In the Transportation sector, Quantum designs and supplies state-of-the-art fuel system technologies to many of the world's leading OEMs with Hydrogen systems for both Internal Combustion Engine (ICE) and Fuel Cell applications and Natural Gas and LPG fuel systems for internal combustion applications. In Stationary Power, Quantum currently supplies components and integrated systems to developers of fuel cell stationary power products and is working to expand its product portfolio in this area. In the area of refueling infrastructure, Quantum offers several hydrogen and natural gas refueling systems focused on early infrastructure development, targeting 1 to 20 vehicle applications.

Quantum's ultra-light weight composite fuel storage, fuel injection and metering technologies, electronic control products and OEM level systems integration capabilities have enabled the company to develop a product portfolio with state-of-the-art technologies and products, a diverse customer base, and strong alliances with partners such as General Motors and Sumitomo Corporation.

Quantum is a Tier 1 OEM supplier and a member of the GM Fuel Cell Alliance of fuel cell commercialization companies.

Quantum's website: www.qtww.com .