Plug Power Successfully Completes NEBS Level 3 Compliance Testing For GenCore(TM)5T

Plug Power Successfully Completes NEBS Level 3 Compliance Testing For
GenCore(TM)5T 


LATHAM, N.Y., March 3  /PRNewswire-FirstCall/ -- Plug Power Inc. , a leader in
the development of proton exchange membrane fuel cell systems, announced today
that itsGenCore(TM) fuel cell product has successfully completed Network
Equipment Building Systems (NEBS) Level 3 compliance testing, a standard
developed by the telecommunications industry that qualifies equipment under
extreme environmental conditions and requires specific levels of technological
resiliency.

(Logo:  http://www.newscom.com/cgi-bin/prnh/20021024/PLUGLOGO )

Plug Power contracted with Telcordia, a leader in NEBS standards development and
testing, to provide system compliance testing.  The Telcordia compliance testing
program for the GenCore(TM)5T -48V direct current (DC) backup fuel cell system
tested against all applicable criteria in NEBS Level 3, as described in
Telcordia Special Report SR-3580, Network Equipment Building Systems Criteria
Levels.

"We are very pleased to be the first fuel cell company to achieve this important
milestone," said Mark Sperry, Chief Marketing Officer of Plug Power. "Prior to
installing new technology in the telecommunications infrastructure in the U.S.,
many telecom service providers require that products are at least NEBS Level 3
compliant.  The completion of these tests helps to ensure carriers that they can
deploy our backup power systems in demanding applications and environments."

About GenCore(TM)5T

GenCore(TM)5T is Plug Power's first direct hydrogen product based on a
proprietary, modular, scaleable, architected platform.  The GenCore 5T is a 5kW
product designed to increase network reliability while reducing lifecycle costs
for telecommunication networks.

About Plug Power

Plug Power Inc. designs and develops on-site energy systems based on proton
exchange membrane fuel cells. Plug Power's strategic partners include GE Fuel
Cell Systems, DTE Energy Technologies, Vaillant GmbH, Honda R&D Co., Ltd.,
Engelhard Corporation and Celanese Ventures. The Company's headquarters are
located in Latham, N.Y., with offices in Washington, D.C., and The Netherlands.

This press release may contain statements, which are not historical facts and
are considered forward-looking within the meaning of the Private Securities
Litigation Reform Act of 1995. These forward-looking statements contain
projections of Plug Power's future results of operations, Plug Power's product
development expectations or of Plug Power's financial position or state other
forward-looking information. In some cases you can identify these statements by
forward-looking words such as "anticipate," "believe," "could," "estimate,"
"expect," "intend," "may," "should," "will" and "would" or similar words. You
should not rely on forward-looking statements because Plug Power's actual
results may differ materially from those indicated by these forward- looking
statements as a result of a number of important factors. These factors include,
but are not limited to, Plug Power's ability to develop commercially viable
on-site energy products; the cost and timing of developing Plug Power's on-site
energy products; market acceptance of Plug Power's on-site energy products; Plug
Power's reliance on its relationship with certain affiliates of General Electric
(GEFCS); Plug Power's ability to perform on its multi-generation product plan in
a manner satisfactory to GEFCS; Plug Power's ability to manufacture on-site
energy products on a large-scale commercial basis; competitive factors, such as
price competition and competition from other traditional and alternative energy
companies; the cost and availability of components and parts for Plug Power's
on-site energy products; the ability to raise and provide the necessary capital
to develop, manufacture and market Plug Power's on-site energy products; Plug
Power's ability to establish relationships with third parties with respect to
product development, manufacturing, distribution and servicing and the supply of
key product components; Plug Power's ability to protect its intellectual
property; Plug Power's ability to lower the cost of its on-site energy products
and demonstrate their reliability; the cost of complying with current and future
governmental regulations; the impact of deregulation and restructuring of the
electric utility industry on demand for Plug Power's on-site energy products;
fluctuations in the trading price and volume of Plug Power's common stock and
other risks and uncertainties discussed under the heading "Factors Affecting
Future Results" in Plug Power's annual report on Form 10-K for the fiscal year
ended December 31, 2002, dated March 31, 2003 and filed with the Securities
Exchange Commission on March 31, 2003, and the reports Plug Power files from
time to time with the Securities and Exchange Commission. Plug Power does not
intend to and undertakes no duty to update the information contained in this
press release. 

http://www.newscom.com/cgi-bin/prnh/20021024/PLUGLOGODATASOURCE: Plug Power
Inc.



CONTACT:  Cynthia Mahoney White, Manager, Public Relations & Marketing,

for Plug Power Inc., [phone], ext. 1973

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