Plug Power CEO to Present At Thomas Weisel Investor Conference

Live Webcast Can be Accessed Through the Company's Web Site


LATHAM, N.Y., June 9, 2008 (PRIME NEWSWIRE) -- Plug Power Inc. (Nasdaq:PLUG) announced today that President and CEO Andy Marsh will present to investors at the Thomas Weisel Partners Alternative Energy Conference in New York City on Thursday, June 12 at 10:55 a.m. EDT.

Marsh will discuss Plug Power's growth strategy and market opportunities for its products and services within the various industries it serves. Throughout the day, one-on-one meetings will be conducted with investors and analysts. These meetings can be scheduled by contacting Crystal Odessky in the Corporate Events Department at Thomas Weisel.

To listen to the live webcast of Marsh's presentation, go to the Plug Power Web site at www.plugpower.com. Select the investor conference link on the homepage. A playback of the webcast will be available for a short period following the conference.

About Plug Power

Plug Power Inc. (Nasdaq:PLUG), an established leader in the development and deployment of clean, reliable on-site energy solutions, integrates fuel cell technology into backup, motive and continuous power products for telecommunications, material handling, utility and uninterruptible power supply applications. The Company is actively engaged with private and public customers in targeted markets throughout the world, including North America, Europe, the Middle East, Russia, South Africa and South America. For more information about how to join Plug Power's energy revolution as an investor, customer, supplier or strategic partner, please visit www.plugpower.com.

The Plug Power Inc. logo is available at http://www.primenewswire.com/newsroom/prs/?pkgid=4446

Safe Harbor Statement

This communication contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. We believe that it is important to communicate our future expectations to our investors. However, there may be events in the future that we are not able to accurately predict or control and that may cause our actual results to differ materially from the expectations we describe in our forward-looking statements, including, without limitation, the risk that the FCC does not adopt rules regarding back up power requirements; the risk that unit orders will not ship, be installed and/or convert to revenue, in whole or in part; 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 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; 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; and other risks and uncertainties discussed under "Item IA-Risk Factors" in Plug Power's annual report on Form 10-K for the fiscal year ended December 31, 2007, filed with the Securities and Exchange Commission ("SEC") on March 17, 2008, and the reports Plug Power files from time to time with the SEC. Plug Power does not intend to and undertakes no duty to update the information contained in this communication.



            

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