Plug Power Closes Preferred Stock Sale to Air Liquide

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LATHAM, N.Y., May 20, 2013 (GLOBE NEWSWIRE) -- Plug Power Inc. (Nasdaq:PLUG), a leader in providing clean, reliable energy solutions, today announced that the preferred stock investment by Air Liquide closed on May 16.

Plug Power issued 10,431 shares of convertible Series C Preferred Stock to Air Liquide and realized $2,595,400 in gross proceeds from the stock sale. The stock is entitled to receive dividends at a rate of 8 percent per year and is convertible into shares of common stock at a conversion price equal to $0.248794 per share. More details are available in the Form 8-K that Plug Power filed today with the Securities and Exchange Commission.

As Plug Power announced on May 8, the preferred stock sale was part of a $6.5 million strategic investment by Air Liquide that is a significant endorsement of Plug Power's strategy to grow its business of hydrogen fuel cells for forklift trucks and other horizontal markets.

Other components of that investment include: Plug Power's sale of a 25 percent ownership interest in HyPulsion, a joint venture between Axane, an Air Liquide subsidiary, and Plug Power, for $3.3 million and a $659,000 engineering service contract to develop European versions of Plug Power's hydrogen fuel cells for forklifts. An Air Liquide representative will also join Plug Power's board of directors as part of the agreement.

About Plug Power Inc.

The architects of modern fuel cell technology, Plug Power revolutionized the industry with cost-effective power solutions that increase productivity, lower operating costs and reduce carbon footprints. Long-standing relationships with industry leaders forged the path for Plug Power's key accounts, including Walmart, Sysco, P&G and Mercedes. With more than 3,000 GenDrive units deployed to material handling customers, accumulating over 8 million hours of runtime, Plug Power manufactures tomorrow's incumbent power solutions today. Additional information about Plug Power is available at

Safe Harbor Statement

This communication contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements are based on current expectations that are subject to certain assumptions, risks and uncertainties, any of which are difficult to predict, are beyond our control and that may cause our actual results to differ materially from the expectations in such forward-looking statements, including the risk that we may not have sufficient cash to fund our operations to profitability and that we may be required to seek strategic alternatives, including but not limited to a potential business combination or a sale of the company, or reduce and/or cease our operations, that unit orders will not ship, be installed and/or convert to revenue, in whole or in part; development of our products may take longer and cost more than we expect and we may not be able to raise the necessary capital to fund such development costs; we may not be able to increase the margin on the sale of our products as much as expected or at all; our actual net cash used for operating expenses may exceed our projected net cash for operating expenses; the fuel and fueling infrastructures for our products may not be available or may cost more than expected; our GenDrive system may not reach wider market acceptance; we may not be able to establish and maintain necessary relationships with third parties for product development, manufacturing, distribution and servicing and the supply of key product components; components and parts for our products may not be available or may cost more than expected; we may be unable to develop commercially viable products; we may be unable to reduce product and manufacturing costs; we may be unable to successfully expand our product lines; we may be unable to improve system reliability for GenDrive; we may suffer price competition and competition from other traditional and alternative energy companies; we may be unable to manufacture products on a large-scale commercial basis; we may be unable to protect our intellectual property; compliance with current and future governmental regulations may be costly; and other risks and uncertainties discussed under "Item IA-Risk Factors" in our annual report on Form 10-K for the fiscal year ended December 31, 2012, filed with the Securities and Exchange Commission ("SEC") on April 1, 2013 and as amended on April 30, 2013, and the reports we file from time to time with the SEC. We do not intend to, and we undertake no duty to update any forward-looking statements as a result of new information or future events.

CONTACT: David Rodewald / Karen Freedman +1 805-494-9508 The David James Agency | Plug Power

Source:Plug Power Inc.