McDonald Bradley Signs Definitive Agreement to Acquire Infodata Board of Directors Endorses Transaction HERNDON, Va., June 21 /PRNewswire/ -- McDonald Bradley, Inc., a rapidly- growing information technology solutions provider to the government marketplace, announced today that it has signed a definitive agreement to acquire Herndon-based Infodata Systems Inc., (OTC:INFD) (BULLETIN BOARD: INFD) a provider of compliance-driven content management solutions to government agencies, the intelligence community, and commercial clients. As announced last month, the acquisition will be a cash transaction for 100 percent of the stock of Infodata. Under the terms of the agreement, which now has been approved by the board of directors of both companies, Infodata stockholders will receive $1.15 per share on a fully diluted basis, subject to possible adjustment up to $1.19 per share and down to $1.09 per share. The transaction, which is slated to close during the third quarter of 2005, is subject to approval by Infodata's shareholders and other customary conditions of closing. Once the deal is concluded, Infodata will be merged into McDonald Bradley and become private. Infodata employees will be integrated into various McDonald Bradley operations and lines of business. McDonald Bradley views this acquisition as a strategic move to fuel revenue growth by further expansion into the intelligence community. According to Kenneth Bartee, president and CEO of McDonald Bradley, "The core Infodata business supports our ongoing work at the Department of Defense, contributes new yet complementary technologies and expertise to one of our core competency areas, and allows us to quickly expand our customer base and presence in new ways throughout the intelligence agencies." Edwin Miller, Infodata CEO added that "the merger of McDonald Bradley and Infodata will provide greater opportunities for our employees and a larger, broader based company to service our customers." About Infodata Systems Inc. Infodata Systems Inc. is a leader in delivering open, enterprise-class content management solutions that assist in ensuring the integrity and compliance of content. Based just outside Washington, D.C., in Herndon, VA, Infodata has over 35 years of proven ability in providing comprehensive content management solutions to the Government, Intelligence and Commercial communities. About McDonald Bradley McDonald Bradley is a privately-held information technology solutions provider to the government marketplace with headquarters in Herndon, Virginia. Since it was founded in 1985, it has steadily built an exceptional reputation in delivering IT solutions to Defense, Intelligence, Homeland Security, Federal Law Enforcement and Federal Civil clients, averaging 32 percent growth each year since 1994. Core technology expertise includes: visual intelligence services, service-oriented architectures, Independent Verification and Validation (IV&V), and web and systems development services. McDonald Bradley was ranked 38th on the "Technology Fast 50" list for Virginia by Deloitte & Touche LLP in 2004. Additionally, Washington Business Journal named the Company as the region's 15th "Fastest Growing Company." DATASOURCE: McDonald Bradley, Inc. CONTACT: Liz Sara, m: +1-202-255-0134, or , for McDonald Bradley, Inc. Web site: http://www.mcdonaldbradley.com/

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