IMPCO Announces Exercise by Three Senior Executives of Options To Acquire 284,684 IMPCO Shares

    CERRITOS, Calif., March 21 IMPCO Technologies, Inc.,
a leading source of alternative propulsion and fuel storage
systems announced today its Chairman and CEO, Robert M. Stemmler, its Senior
Vice President, Dale Rasmussen, and its Senior Vice President of Technology
and Automotive OEM Operations, Syed Hussain, each exercised options to
purchase 284,684 shares in the aggregate of IMPCO common stock, each at
$13.75 per share.  These options had been granted to them in 1998 by Questor
Partners Funds and its affiliate Questor Side-By-Side Partners, L.P.  To
finance the exercise of these options, IMPCO extended loans to the officers
for the full purchase price of $3.9 million.  The loans are secured by the
stock acquired and other collateral, bear interest at 9% per annum and mature
in one year.
    IMPCO is the World's leading source of advanced alternative fuel systems
technology and components for internal combustion engines.  IMPCO products
enable these engines to function using environmentally friendly gaseous fuels
such as propane, natural gas and biogas.  IMPCO products optimize efficiency
and performance while reducing emission to the lowest-levels.  IMPCO is a
major supplier to original equipment manufacturers in the automotive,
materials handling industrial and power generation industries.  IMPCO supports
its global aftermarket through a network of more than 400 Distributors and
Service Parts Organizations.  Through IMPCO's wholly owned subsidiary, Quantum
Technologies, Inc. the company participates in the emerging fuel cell market
by supplying enablement technologies and products in fuel storage, fuel
metering and delivery, electronic controls and system integration.
Information on Quantum may be found at our URL: http://www.qtww.com
    World headquarters are located in Cerritos, California.  IMPCO has key
offices and facilities worldwide including:  North America, Central America,
South America and the Pacific Rim.  It operates in the Netherlands, France,
Germany and the United Kingdom as IMPCO-BERU Technologies, B.V.  IMPCO can be
found at http://www.impco.ws.

    Certain matters discussed in this press release contain forward-looking
information that involves risks and uncertainties that could cause actual
results to differ materially from current trends.  These include, among other
things, the growth of the alternative fuels and fuel cells market, OEM
automotive product sales, competition, the Company's ability to design and
market viable advanced fuel metering, fuel storage or electronic control
products, the Company's ability to meet OEM specifications and other such
risks as cited in the Company's 2000 annual report on Form 10-K and other
documents filed with the Securities and Exchange Commission.