Anteon Awarded $26.9M Contract from U.S. Navy Space and Naval Warfare Command; Provides Program Management and Engineering Servi

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. Navy Space and Naval Warfare Systems Command (SPAWAR) PEOC4I &
Space. Anteon will provide engineering and program support for the
Program Management Warfare (PMW) 780 Airborne Networking & Integration
International Program Office. The estimated value of this contract, if
all options are exercised, is $26.9 million over a five year period of
performance.
   "Anteon is a premier prime contractor supporting SPAWAR at
headquarters and around the world. We have an experienced team of
professionals that understands and delivers upon the PMW 780 mission,"
stated Dan Johnson, Anteon chief operating officer. "Anteon is
delivering mission critical program management, systems engineering
and logistical support for this major PEOC4I & Space program."
   The contract work will be conducted both at SPAWAR Command
Headquarters in San Diego, CA, PMW 780 and various locations around
the world. Anteon will provide engineering and program management
support, as well as acquisition and system engineering support to the
Multifunction Information Distribution System (MIDS), Low Volume
Terminal (LVT) and MIDS Joint Tactical Radio Systems (JTRS), and other
customers within the PMW 780 office. The Anteon team will also provide
platform integration, data management, and database development.

   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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Company's dependence on continued funding of U.S. government programs,
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with the passage of time. The Company does not currently intend,
however, to update the guidance provided today prior to its next
earnings release.