ANTEON AWARDED AMENDMENTS TO SUPPORT RANGE INSTRUMENTATION PROGRAMS.

Anteon International Corporation (NYSE: ANT) has received three amendments to its U.S. Army Simulation, Training, and Instrumentation Command (STRICOM) contract to support combat training range instrumentation programs. The estimated value of the contract amendments is $9.3 million.

Under these amendments, Anteon will design and develop a prototype of the Digital Multi-Purpose Range Complex (DPMRC) located at Fort Hood, Texas. The DPMRC is being developed to meet U.S. Army current and future combat training, qualification requirements.

In addition, Anteon will provide instrumentation support for the Military Operations on Urban Terrain (MOUT) site at Fort Bragg, North Carolina. These instrumented sites replicate real-life urban battlefield environments as they exist in third-world countries. Anteon developed STRICOM's first site at Fort Polk, Louisiana, a facility containing more than 3 million feet of fiber optic cable connected to a centralized, integrated control system.

Joseph M. Kampf, Anteon President and CEO, stated, "We are working hand-in-hand with the Army in providing new and modern ranges capable of training and testing today's soldiers and their modern equipment. Range instrumentation training continues to grow in importance as a means to provide rapid, realistic and cost effective training to the U.S. Warfighter and we are proud to support these mission critical programs."

Anteon, headquartered in Fairfax, Virginia, is a leading information technology and systems engineering and integration company that has provided support to the U.S. federal government and international sectors for over 25 years. With 2001 revenue of $715 million, the Company has more than 5,400 employees in over 80 offices worldwide and frequently ranks among the top information technology integrators based on independent surveys. For more information, visit www.anteon.com.