PEC Solutions' Subsidiary Selected for Army's Application Development.

FAIRFAX, Va. -- PEC Solutions, Inc. (NASDAQ NM:PECS) a professional technology services firm specializing in high-end e-Government solutions, today announced that PEC's wholly-owned subsidiary, AC Technologies (ACT), has been awarded a contract from the US Army Defense Contracting Command - Washington. The terms of this multiple-award Indefinite Delivery/Indefinite Quantity (IDIQ) contract are for a 1-year base and four 1-year option terms. Work will be performed under task orders.

The program provides for development and maintenance of 300 mission-critical systems and databases for the Department of the Army Information Management Support Center (IMCEN). IMCEN provides information management support services internal to the Headquarters Department of the Army and its assigned agencies and activities, including the Army Secretariat, Chief of Staff, and their supporting elements.

The contract will be performed under PEC's Defense Sector. According to PEC's Defense Sector President, Bob Veschi, "We are pleased to have this new opportunity to work with the Army on these mission-critical programs, and to expand our footprint in the Army business. We are dedicating our top resources and personnel to support the Information Management Support Center and its essential contributions to the operational readiness of our Army's fighting forces."

About PEC Solutions, Inc.

PEC, founded in 1985, is a high-end professional services firm that helps government clients harness the power of advanced technologies and effective management principles to improve mission performance. The company applies its expertise in providing secure, interoperable technology solutions for clients in homeland security, criminal justice and intelligence, defense, and civilian agencies within the federal government and at state and local levels. PEC is based in Fairfax County, Virginia, with offices around the United States. Visit the company on the Web at www.pec.com.

For more information, contact Martha Hill, PEC's Director of Investor Relations, at 703-679-4900.

This press release may contain forward-looking information within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, and is subject to the safe harbor created by those sections. PEC assumes no obligation to update the information contained in this press release. PEC's future results may be affected by its ability to continue to implement its government technology solutions, its dependence on the federal government and state and local governments and other federal government contractors as its major customers, timely passage of components of the federal budget, timely obligations of funding by the federal and state governments, its dependence on procuring, pricing and performing short-term government contracts, its dependence on hiring and retaining qualified professionals, potential fluctuations in its quarterly operating results, including seasonal impacts, its dependence on certain key employees and its ability to timely and effectively integrate the businesses it may acquire. For further information about forward-looking statements and other specific risks and uncertainties, please refer to PEC's recent SEC filings, including the company's Annual Report on Form 10-K filed with the SEC on March 16, 2005, which are available on the company's website (www.pec.com).