May 7, 2003

Quantum delivers hydrogen storage systems to Suzuki

Irvine, California – 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 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

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.”

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 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

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

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