SRA Completes Acquisition of Constella Group

August 09, 2007

SRA International, Inc. (NYSE: SRX), a leading provider of technology and strategic consulting services and solutions to federal government organizations, announced that it has completed the acquisition of Constella Group, LLC, a privately-held global provider of health consulting services, effective today.

Headquartered in Durham, NC, Constella delivers professional services to customers around the world. Through its work in health sciences, international development and product development, Constella collaborates with experts in local and national governments, academia, non-governmental organizations and pharmaceutical and biotechnology companies to support a broad range of health missions. Constella's reported revenue for calendar year 2006 was approximately $169 million, including partial-year results for the two companies it acquired during the year.

SRA President and CEO Stan Sloane said, "We're very pleased to welcome Constella's employees and customers into SRA. The global health market represents a growing area of demand for professional solutions and is a key focus of our long-term strategy. We're enthusiastic about the potential of the SRA-Constella team to address complex health issues across the globe."

Any statements in this press release about future expectations, plans, and prospects for SRA, including statements containing the words "estimates," "believes," "anticipates," "plans," "expects," "will," and similar expressions constitute forward-looking statements within the meaning of The Private Securities Litigation Reform Act of 1995. Actual results may differ materially from those indicated by such forward-looking statements as a result of various important factors, including: risks concerning the future financial performance of the acquired company, our dependence on our contracts with federal government agencies, particularly within the U.S. Department of Defense, for substantially all of our revenue, our dependence on our GSA schedule contracts and our position as a prime contractor on government-wide acquisition contracts and other multiple-award contracts to grow our business, and other factors discussed in our latest quarterly report on Form 10-Q filed with the Securities and Exchange Commission on May 3, 2007. In addition, the forward-looking statements included in this press release represent our views as of August 9, 2007. We anticipate that subsequent events and developments will cause our views to change. However, while we may elect to update these forward-looking statements at some point in the future, we specifically disclaim any obligation to do so. These forward-looking statements should not be relied upon as representing our views as of any date subsequent to August 9, 2007.

CONTACT:                                                                                  David Keffer, Director, Investor Relations                                +1-703-502-7731,

Stephen Hughes, Executive VP and CFO

SRA International, Inc.

SRA is a leading provider of technology and strategic consulting services and solutions - including systems design, development, and integration; and outsourcing and managed services - to clients in national security, civil government, and health care and public health markets. The Company also delivers business solutions for contingency and disaster response planning, information assurance, business intelligence, environmental strategies, enterprise architecture, infrastructure management, and wireless integration.

FORTUNE(R) magazine has chosen SRA as one of the "100 Best Companies to Work For" for eight consecutive years. The Company's 6,300 employees serve clients from its headquarters in Fairfax, Virginia, and offices across the country. For additional information on SRA, please visit