Anteon Awarded $10M Contract by the U.S. Air Force to Support Air Force Weapons Test Systems; Anteon Provides Software Engineering Support Services to the Air Force Materiel Command

Business Wire, June 30, 2005

FAIRFAX, Va. -- Anteon International Corporation (NYSE:ANT), a leading information technology and systems engineering and integration company, today announced that it has been awarded a contract by the U.S. Air Force to provide software engineering support services for the Air Force Materiel Command (AFMC) at Ogden Air Logistics Center at Hill Air Force Base in Utah. The estimated value of this contract, if all options are exercised, is $10 million over a 32 month period of performance.

"To address the U.S. Air Force technical and systems engineering support services requirements, the Anteon team brings proven technical expertise plus advanced software and systems engineering skills. We are proud to support the AFMC, ensuring that mission-critical systems are operating optimally in support of the warfighter," stated Dan Johnson, Anteon chief operating officer.

Under the contract, Anteon will design, develop, and test the embedded software and hardware of weapon systems platforms for the AFMC. Anteon will also provide support for software and hardware development, systems integration, software and systems upgrades, process improvements, as well as software reprogramming and adjustments to ensure compatibility with current or future hardware.

The AFMC is responsible for developing, acquiring, and sustaining aerospace power needed to defend the United States and its interests. The AFMC oversees eight specific mission areas to support the warfighter including product support, information services, supply management, depot maintenance, science and technology, test and evaluation, installations and support, as well as information management.

About Anteon

Anteon, headquartered in Fairfax, Virginia, is a leading systems integrator, providing information technology and engineering solutions to 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 also provides many of its government clients with the systems analysis, integration, and program management skills necessary to manage the development and operations of their mission critical systems. The Company was founded in 1976 and currently employs over 9,200 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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