McLean, VA — Booz Allen Hamilton Holding Corporation announced today that it has priced its initial public offering of 14,000,000 shares of Class A common stock at $17 per share. The shares are expected to begin trading tomorrow, November 17 on the New York Stock Exchange under the ticker symbol “BAH”. The underwriters may purchase up to 2,100,000 additional shares at the initial offering price less the underwriting discounts and commissions to cover over-allotments, if any.

Morgan Stanley & Co. Incorporated, Barclays Capital Inc., BofA Merrill Lynch and Credit Suisse Securities (USA) LLC are acting as joint book-running managers of this offering with Stifel, Nicolaus & Company, Incorporated acting as co-lead manager and BB&T Capital Markets LLC, Lazard Capital Markets LLC and Raymond James & Associates, Inc. acting as co-managers.

A registration statement relating to these securities has been filed with and declared effective on November 16, 2010 by the Securities and Exchange Commission. The offering of these securities is being made only by means of a written prospectus forming part of the effective registration statement. A copy of the final prospectus related to the offering will be filed with the Securities and Exchange Commission, which may be obtained, when available, from Morgan Stanley & Co. Incorporated, Attention: Prospectus Department, 180 Varick Street, 2nd Floor, New York, NY 10014, or by email at prospectus@morganstanley.com, or by calling 866-718-1649; or Barclays Capital Inc. c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, New York 11717, or by email at barclaysprospectus@broadridge.com, or by calling 888-603-5847.

This press release shall not constitute an offer to sell or the solicitation of an offer to buy nor shall there be any sale of these securities in any state in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any state.

About Booz Allen Hamilton
Booz Allen Hamilton is a leading provider of management and technology consulting services to the U.S. government in the defense, intelligence and civil markets. Booz Allen Hamilton is headquartered in McLean, Virginia, employs more than 25,100 people, and had revenue of approximately $5 billion in its latest fiscal year.

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Contact:
Marie Lerch
Vice President, Marketing & Communications, Booz Allen Hamilton
703-902-5559
lerch_marie@bah.com

Tom Meagher
Director, Investor Relations
703-377-9663
meagher_thomas@bah.com