McLean, VA —Booz Allen Hamilton (NYSE: BAH) announced it has been awarded a $43 million task order from the Centers for Disease Control and Prevention (CDC) Management Information Systems Office for Information Management Support Services. The work will be performed over 3 years.

Under the terms of the contract, Booz Allen will provide full-scale software development lifecycle support for CDC’s enterprise systems, including application design, development, testing, operation and maintenance data management and reporting, SharePoint collaboration support, enterprise systems Help Desk, information assurance, IT project management office support, IT consulting, and secure access management services.

“As a large scale provider of software development services, we are pleased to be able support CDC in new ways,” said Senior Vice President Susan Penfield. “This win is a testament to the firm’s use of the integrated service delivery model, as well as our ability to blend technology and integration skills to help drive efficiencies in information systems.”

Booz Allen will partner with CDC to drive improvements to their enterprise system support processes, including standing up a new Earned Value Management process to understand the effectiveness of current project estimates (cost and schedule) and use the findings to drive improvement in both areas. Booz Allen has been supporting CDC’s Management Information Systems Office since January 2009, when it began writing a strategic plan for an enterprise data warehouse. It later added Electronic Data Interchange support and application development support to its existing data warehouse and business intelligence services for CDC.

This press release contains, or may be deemed to contain, “forward-looking statements” (as defined in the U.S. Private Securities Litigation Reform Act of 1995). Examples of forward-looking statements include information concerning the value of the contract award and Booz Allen Hamilton’s future performance under the contract. These statements give Booz Allen Hamilton’s current expectation of future events or its future performance and do not relate directly to historical or current events. A number of factors could cause Booz Allen Hamilton’s future actions and related results to vary from any expectations or goals expressed in, or implied by, the forward-looking statements included in this press release, possibly to a material degree. Some of these factors include, but are not limited to, the risk factors set forth in Booz Allen Hamilton’s Annual Report on Form 10-K, filed with the Securities and Exchange Commission on June 8, 2011. All forward-looking statements included in this press release speak only as of the date made, and, except as required by law, Booz Allen Hamilton undertakes no obligation to update or revise publicly any such forward-looking statements, whether as a result of new information, future events, or otherwise.

Booz Allen Hamilton is a leading provider of management and technology consulting services to the U.S. government in defense, intelligence, and civil markets, and to major corporations, institutions, and not-for-profit organizations. Booz Allen is headquartered in McLean, Virginia, employs more than 25,000 people, and had revenue of $5.59 billion for the 12 months ended March 31, 2011 (NYSE: BAH).

Media Contact: Carrie Lake703-377-7785, lake_carrie@bah.com