Investor News

May 20, 2011

Booz Allen Hamilton to Host Conference Call to Discuss Full Year and Fourth Quarter Fiscal 2011 Results on Tuesday, June 7, 2011

Booz Allen Hamilton to Host Conference Call to Discuss Full Year and Fourth Quarter Fiscal 2011 Results on Tuesday, June 7, 2011
May 20, 2011

McLean, Virginia – Booz Allen Hamilton Holding Corporation (NYSE:BAH), the parent company of management and technology consulting firm Booz Allen Hamilton, will host a conference call at 8:00 a.m. EST on Tuesday, June 7, 2011, to discuss the financial results for its Full Year and Fourth Quarter of Fiscal Year 2011 (ending March 31, 2011). Booz Allen’s Fiscal Year runs from April 1 to March 31. This will be the second earnings call since the company’s initial public offering on November 17, 2010. A news release containing the results will be issued before the call.

Analysts and institutional investors may participate on the call by dialing 888-679-8035 (international 617-213-4848) and entering passcode 35009362. The conference call will be webcast simultaneously to the public through a link on the investor relations section of the Booz Allen Hamilton web site at www.boozallen.com. A replay of the conference call will be available online at www.boozallen.com beginning at 11:00 a.m. EST on June 7, 2011, and continuing until July 7, 2011. The replay will also be available by telephone at 888-286-8010 (international 617-801-6888) with the passcode 99562654.

About Booz Allen Hamilton
Booz Allen Hamilton is a leading provider of management and technology consulting services primarily to the U.S. government in the defense, intelligence, and civil markets. Booz Allen Hamilton is headquartered in McLean, Virginia, employs more than 25,000 people, and had revenue of approximately $5 billion in its latest reported fiscal year.

CONTACT: Media Relations -- Marie Lerch 703-902-5559; James Fisher 703-377-7595
Investor Relations – Curt Riggle 703-377-5332.