Anteon Awarded $90M C4I Network Contract from U.S. Army Korea; C4I Network Systems Support for United States Forces Korea Joint Command and Control Information Systems Activity.

FAIRFAX, Va. -- Anteon International Corporation (NYSE: ANT), a leading information technology, systems integration and engineering services company, today announced that it has been awarded a contract by the U.S. Army to provide C4I (command, control, communications, computers, and intelligence) operations and maintenance support to United States Forces Korea (USFK) Joint Command Information Systems Activity (J64). The estimated value of this contract, if all options are exercised, is $90 million over a five-year period of performance.

"With the award of this contract, Anteon will help the U.S. Army provide and maintain leading edge C4I capability to support combined U.S. and Republic of Korea operations within the Korean Theater, in order to effectively deter North Korean aggression and conduct operations as necessary," stated Dan Johnson, Anteon chief operating officer. "Anteon is proud to apply its C4I expertise in support of the operations and maintenance of the Command and Control networks and the USFK J64 mission."

The USFK supports the United Nations Command and Republic of Korea-United States Combined Forces Command (CFC) and functions as the U.S. defense representative in Korea. The mission of U.S. Army J64 is to engineer, install, operate, maintain and manage the CFC and USFK Command and Control systems, networks and collaboration tools used throughout the Korean Theater to provide timely information and operational awareness.

Anteon will provide support for the command and control networks, under the cognizance of J64, that enable the US Army with the capability to effectively command and control approximately 687,000 combat ready troops on the Korean peninsula via net-centric, high-speed connectivity among sites supporting ROK and US military forces.

About Anteon

Anteon, headquartered in Fairfax, Virginia, is a leading information technology company serving the U.S. Federal government and international customers. Anteon designs, integrates, maintains, and upgrades state-of-the-art systems for national defense, intelligence, homeland security, and other high priority government missions. Anteon provides numerous government clients with the systems integration, strategy and program management, systems engineering, operations services, and simulation and training skills necessary to manage the development and operations of their mission critical systems. The Company was founded in 1976 and currently employs over 9,500 employees in more than 100 offices worldwide. Anteon consistently ranks among the top information technology integrators based on independent surveys, and has been named to the Forbes List of the 400 Best Big Companies in 2005, earning distinction on the Forbes Platinum List. Anteon is listed on the Standards & Poor's MidCap 400 Index. For more information, visit www.anteon.com.

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