ATS Corporation Acquires Reliable Integration Services, Inc.

MCLEAN, VA -- (MARKET WIRE) -- March 12, 2007 -- ATS Corporation (OTCBB: ATCT) ("ATSC"), a leading information technology company that delivers innovative technology solutions to federal, state, and local government organizations, today announced that the Company has acquired Reliable Integration Services, Inc. ("Reliable'"). Effective March 1, 2007, Reliable, a network systems integrator serving Defense and Civilian Federal Government markets, became a wholly owned subsidiary of ATS Corporation.

"This acquisition is a perfect fit with our core competencies," said Edward H. Bersoff, Chairman and Chief Executive Officer of ATS Corporation. "ATSC's services and customer reach will be significantly enhanced by the quality offerings that Reliable provides. Additionally, ATSC will gain the benefit of Reliable's exceptionally knowledgeable leadership team. We expect this transaction to be immediately accretive."

The 37 employees of Reliable have designed, implemented, managed and maintained networks of multi-vendor software and systems for commercial enterprises and government IT organizations. Reliable offers expertise in Network Engineering, Integration, and Management, with an award-winning Remote Managed Service (RMS) providing a unique way for organizations to outsource their IT needs and other products such as their web-based Telecommunications Resale and Value Added Information Locator (TRAVAIL) which provides ordering, inventory, and billing consolidation for telecommunication circuits and components. Reliable will complement ATS Corporation's unique IT consulting and infrastructure management expertise.

Currently ATSC provides Systems Integration, Infrastructure Management, Business Process Improvement, Wireless Services and Functional Expertise across a wide range of applications. With the incorporation of Reliable, ATSC will now be able to provide its customers a one-stop shop for the full life cycle of Enterprise IT projects.

"Reliable brings a new set of capabilities and customers to enhance the already high quality offerings of ATSC," said Valerie W. Perlowitz, President and CEO of Reliable Integration Services. "We anticipate a seamless integration and are certain that Reliable's current customers will be pleased with the quality and continuity of service that this business combination will assure."

Reliable now operates as a wholly owned subsidiary of ATS Corporation, functioning under the ATSC brand. Bringing over twenty years of management and execution of major systems integration and support programs, Perlowitz will continue her leadership role, now moving to join ATS Corporation's senior management team. Current employees of Reliable Integration Services will have the opportunity to distribute their talent across ATSC's businesses. Reliable Integration Services will continue to be located in their current office in McLean, Virginia, also the home of ATS Corporation.

About Reliable Integration Services, Inc.

Since 1988, Reliable has been dedicated to the design, implementation, integration, and support of communication networks, hardware, and software. Reliable has stayed on the leading edge of technology, international standards, and innovative thinking to design systems that fulfill customer requirements, needs, and desires. Reliable's experience with large and small networks has given them keen insight into the differing requirements of worldwide networks for Government and Commercial clients incorporating data, voice and video elements. Over the past decade, Reliable has created a proven methodology for designing, installing and maintaining client networks. Reliable is based in McLean, Va. For additional information visit www.risi.com.

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) 748-8690 Investor Relations Contact: Laura Kowalcyk Investor Relations CJP Communications for ATS Corporation (212) 279-3115 ext. 209 Email Contact