ATS Corporation Awarded Mississippi Department of Information Technology Services Contract

MCLEAN, VA -- (MARKET WIRE) -- March 28, 2007 -- ATS Corporation ("ATSC") (OTCBB: ATCT) today announced that it has been awarded the Mobile Systems portion of the Mississippi Department of Information Technology Services Contract. Five firms including ATSC were awarded contracts from Information Technology Services and the Mississippi Department of Public Safety to appear as mobile systems carriers on the Department's homepage. Financial terms of the contract win were not disclosed, but the contract is expected to extend over 4 years.

"This contract win is representative of the capabilities and service offerings we have developed, and the value we provide, to the public safety marketplace," said Martin Gillespie, ATSC's Vice President and General Manager of Public Safety Solutions. "This win, in conjunction with other industry leaders, demonstrates our ability to service multi-faceted contracts on a large and protracted scale. We look forward to getting underway in fulfilling our responsibilities and further expanding our roster of recent contract wins."

About ATS Corporation and Advanced Technology Systems, Inc.

ATS Corporation (formerly named Federal Services Acquisition Corporation) operates through its subsidiaries, Advanced Technology Systems, Inc., Reliable Integration Services, and Appix, Inc.

Advanced Technology Systems, Inc. ("ATS") is a leading provider of systems integration and application development, IT infrastructure management and strategic IT consulting services to U.S. federal government agencies. Since its founding in 1978, ATS has been recognized for its custom software development and software integration capabilities and its deep domain expertise in federal government financial, human resource and data management systems. ATS has built and implemented over 100 mission-critical systems for clients.

ATS' financial management software expertise assists clients preparing for the government's increased financial accountability standards. ATS' data management systems expertise allows clients to increase efficiency with better human resource and case management tracking capabilities, while also allowing them to organize and track information easily. Additionally, ATS' IT outsourcing capabilities provide ATS with an opportunity to develop long-term value added partnerships with clients that allow end-users and government agencies to focus on core mission priorities, while reducing expenditures on systems management.

In addition, ATSC leverages its IT services, management consulting, and software and systems development solutions expertise into financial institutions, insurance companies and government sponsored enterprises through a wholly owned subsidiary, Appix, Inc. ("Appix"). Appix is one of the largest providers of outsourced professional services at Fannie Mae and currently serves many Fortune 500 financial services and insurance companies. Additional information about Appix may be found at www.appix.com.

Additional information about ATSC and ATS may be found at www.atsva.com.

This document may contain "forward-looking statements" -- that is, statements related to future, not past -- events, plans, and prospects. In this context, forward-looking statements may address matters such as our expected future business and financial performance, and often contain words such as "expects," "anticipates," "intends," "plans," "believes," "seeks," "should" or "will." Forward-looking statements by their nature address matters that are, to different degrees, uncertain. For ATSC, particular uncertainties that could adversely or positively affect the Company's future results include: risks related to the government contracting industry, including possible changes in government spending priorities; risks related to the Company's business, including its dependence on contracts with U.S. Federal Government agencies and departments and continued good relations, and being successful in competitive bidding, with those customers; uncertainties as to whether revenues corresponding to the Company's contract backlog will actually be received; risks related to implementation of the Company's strategic plan, including the ability to make acquisitions and the performance and future integration of acquired businesses; and other risks and uncertainties disclosed in the Company's filings with the Securities and Exchange Commission. These uncertainties may cause ATSC's actual future results to be materially different than those expressed in the Company's forward-looking statements. ATSC does not undertake to update its forward-looking statements.

Contact Information: Company Contact: Dr. Edward H. Bersoff Chairman, President and Chief Executive Officer ATS Corporation (703) 288-1949 Investor Relations Contact: Laura Kowalcyk Investor Relations CJP Communications for ATS Corporation (212) 279-3115 ext. 209 Email Contact