MCLEAN, Virginia, November 20 /PRNewswire/ -- Global Defense Technology Systems, Inc. , a leading provider of defense technologies to the national security community, announced today that it has priced its initial public offering of 4.6 million shares of common stock at US$13.00 per share, of which 3.0 million shares are being sold by the Company and 1.6 million shares are being sold by certain selling stockholders. The underwriters have a 30-day option to purchase up to an additional 690,000 shares of common stock from one of the selling stockholders at the initial public offering price. The offering is expected to close on or about November 25, 2009.

The Company will use the proceeds from this offering to repay debt and for general corporate purposes, including future acquisitions. It will not receive any proceeds from the sale of common stock by the selling stockholders.

The offering was made through an underwriting syndicate led by Cowen and Company, LLC, who acted as book-running manager. Stifel, Nicolaus Company, Incorporated, Raymond James Associates, Inc. and SunTrust Robinson Humphrey, Inc. acted as co-managers.

Copies of the preliminary prospectus relating to the offering may be obtained by contacting Broadridge Financial Services, 1155 Long Island Avenue, Edgewood, NY 11717, Attn: Prospectus Department. Phone +1-631-274-2806. Fax +1-631-254-7140.

A registration statement relating to shares of the common stock of GLOBAL Defense Technology has been filed with the Securities and Exchange Commission and is effective. This press release shall not constitute an offer to sell or the solicitation to buy, nor shall there be any sale of these securities, in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction.

About Global Defense Technology Systems, Inc.

Global Defense Technology Systems, Inc. provides mission-critical technology-based systems, solutions, and services for national security agencies and programs of the U.S. government. Our services and solutions are integral parts of mission-critical programs run by the Department of Defense, Intelligence Community, Department of Homeland Security, federal law enforcement agencies, and other parts of the federal government charged with national security responsibilities. Learn more about GLOBAL Defense Technology at www.globalgroup.us.com .

Safe Harbor Statement under the Private Securities Litigation Reform Act of 1995: Statements in this announcement other than historical data and information constitute forward-looking statements that involve risks and uncertainties. A number of factors could cause our actual results, performance, achievements or industry results to be very different from the results, performance or achievements expressed or implied by such forward-looking statements. Some of these factors include, but are not limited to, the risk factors set forth in GLOBAL Defense Technology's final prospectus relating to the offering, and such other filings that GLOBAL Defense Technology makes with the SEC from time to time. Due to such uncertainties and risks, readers are cautioned not to place undue reliance on such forward-looking statements, which speak only as of the date hereof.

Media Contact: Lauren Peduzzi t: +1-703-738-2861 e: media@globalgroup.us.com Investor Relations Contact: Jim Allen t: +1-703-883-2760 e: investors@globalgroup.us.com

SOURCE: Global Defense Technology SOURCE: Systems, Inc.

CONTACT: Lauren Peduzzi, +1-703-738-2861, media@globalgroup.us.com, orInvestor Relations, Jim Allen , +1-703-883-2760,investors@globalgroup.us.com, both of Global Defense Technology Systems,Inc.