PORTSMOUTH, N.H., Dec. 10 /PRNewswire-FirstCall/ -- Environmental Power Corporation announced today that it is changing the listing of its common stock from the American Stock Exchange to The NASDAQ Stock Market LLC(R). Effective December 21, 2007, Environmental Power's common stock will trade on the NASDAQ Capital Market under the symbol NASDAQ: EPG. "This decision was reached after careful consideration of capital market alternatives and analysis of the electronic market model, which we believe will provide added visibility to our investors," said Richard E. Kessel, President and Chief Executive Officer of Environmental Power. "We believe that NASDAQ's electronic multiple market maker structure will provide our company with enhanced exposure and liquidity, while at the same time providing investors with better prices, faster execution and lower cost per trade. As the world's largest electronic stock market, NASDAQ promotes innovation and attracts leading growth companies from a diverse group of sectors. We are proud to be a part of the NASDAQ Stock Market." ABOUT NASDAQ NASDAQ(R) is the largest electronic stock market. With approximately 3,200 companies, it lists more companies and, on average, its systems trade more shares per day than any other U.S. market. NASDAQ is home to companies that are leaders across all areas of business, including technology, retail, communications, financial services, transportation, media and biotechnology. NASDAQ is the primary market for trading NASDAQ-listed stocks. Form more information about NASDAQ, visit the NASDAQ Web site at http://www.nasdaq.com/ or the NASDAQ Newsroom(SM) at http://www.nasdaq.com/newsroom. ABOUT ENVIRONMENTAL POWER CORPORATION Environmental Power Corporation is a developer, owner and operator of renewable energy production facilities. Its principal operating subsidiary, Microgy, Inc., holds an exclusive license in North America for the development and deployment of a proprietary anaerobic digestion technology for the extraction of methane gas from animal wastes for its use to generate energy. For more information visit the Company's web site at http://www.environmentalpower.com/. CONTACT: Company Contact Mark Hall, Senior Vice President Environmental Power Corporation (630) 573-2926 Public Relations Contact John Abrashkin, Ricochet Public Relations (212) 679-3300 x121 Investor Relations Contact John Baldissera BPC Financial Marketing 1-800-368-1217 DATASOURCE: Environmental Power Corporation CONTACT: Mark Hall, Senior Vice President, Environmental Power Corporation, +1-630-573-2926, ; or Public Relations Contact, John Abrashkin, Ricochet Public Relations, +1-212-679-3300 x121, ; or Investor Relations, John Baldissera, BPC Financial Marketing, +1-800-368-1217, Web site: http://www.environmentalpower.com/

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