LANCASTER, NY--(Marketwire - August 19, 2010) -  The Board of Directors of Ecology and Environment, Inc. (NASDAQ: EEI) has authorized the Company to purchase on the open market up to 200,000 shares of its Class A common stock to be held as treasury stock. Purchases will be made at prices and at times in public or private transactions, at the discretion of the Company. The Board, in taking this action, noted the price of the shares compared to the Company's book value per share and the desire to provide shares for employee incentive programs. The Company had 2,685,000 Class A shares outstanding at July 31, 2010.

Over the past 40 years, Ecology and Environment, Inc. has completed more than 45,000 projects for a wide variety of clients in 84 countries, providing environmental solutions in nearly every ecosystem on the planet. The company is listed on the NASDAQ under the symbol EEI and is located on the web at