Military

CACI Awarded $9 Million Contract to Support U.S. Navy Simulation Training

Company to Focus on Intelligent Training and Damage Control Systems

Arlington, VA, September 29, 2005 — CACI International Inc (NYSE:CAI) announced today that it has been awarded a five-year, indefinite delivery, indefinite quantity (IDIQ) contract with an estimated value of $9 million to support Generic Reconfigurable Training Systems (GRTS) for the Naval Air Systems Command in Orlando, Florida. CACI is one of five vendors awarded the contract, which has an overall value of $45 million over one base year and four option years. Under the terms of the award, CACI will deliver modeling and simulation support for GRTS that provide computer-aided intelligent training systems and training on damage control systems for the Navy. The work expands CACI's legacy modeling and simulation business.

The Navy's GRTS program enables training modules to be created and adapted for specific purposes quickly and efficiently. With their innovative simulation components, GRTS provides training and practice techniques that allow users to become proficient in applications even without hands-on experience.

CACI's role includes a focus on GRTS support for shipboard intelligent tutoring systems, an innovative type of training that provides individualized instruction via a "virtual" tutor. The company will also support PC-based training systems and damage control systems for hull, mechanical, and electrical systems. Benefits to the Navy include the ability to train personnel whenever and wherever they are deployed, with self-directed programs that allow individuals to work at their own pace. Navy users can better train on new technologies and enhance their ability to upgrade job skills.

Paul Cofoni, CACI President of U.S. Operations, said, "CACI offers outstanding technical expertise and a deep functional understanding of the U.S. Navy's requirements. This enables us to provide key support in helping the Navy migrate from single-purpose, hardware-intensive training systems to more flexible and software-based, rapidly reconfigurable systems that save money and increase productivity."

CACI Chairman, President, and CEO Dr. J.P. (Jack) London said, "CACI's support of the Navy has deep roots, going back more than 40 years. We offer expertise based on 43 years in the modeling and simulation business. CACI was a pioneer in the modeling and simulation business, and we are honored to apply our proven solutions for the Navy. We are keenly aware of the role the Navy plays in the war on terrorism, and we continue to position our solutions to meet the demands of modern-day Naval forces."

CACI International Inc provides the IT and network solutions needed to prevail in today's new era of defense, intelligence, and e-government. From systems integration and managed network solutions to knowledge management, engineering, simulation, and information assurance, we deliver the IT applications and infrastructures our federal customers use to improve communications and collaboration, secure the integrity of information systems and networks, enhance data collection and analysis, and increase efficiency and mission effectiveness. Our solutions lead the transformation of defense and intelligence, assure homeland security, enhance decision-making, and help government to work smarter, faster, and more responsively. CACI, a member of the Russell 1000 and S&P SmallCap 600 indices, provides dynamic careers for approximately 9,500 employees working in over 100 offices in the U.S. and Europe. CACI is the IT provider for a networked world. Visit CACI on the web at www.caci.com.

There are statements made herein which do not address historical facts and, therefore could be interpreted to be forward-looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. Such statements are subject to factors that could cause actual results to differ materially from anticipated results. The factors that could cause actual results to differ materially from those anticipated include, but are not limited to, the following: regional and national economic conditions in the United States and the United Kingdom, including conditions that result from terrorist activities or war; failure to achieve contract awards in connection with recompetes for present business and/or competition for new business; the risks and uncertainties associated with client interest in and purchases of new products and/or services; continued funding of U.S. government or other public sector projects in the event of a priority need for funds, such as homeland security, the war on terrorism or rebuilding Iraq; government contract procurement (such as bid protest, small business set asides, etc.) and termination risks; the results of government investigations into allegations of improper actions related to the provision of services in support of U.S. military operations in Iraq; the results of the appeal of CACI International Inc ASBCA No. 53058; individual business decisions of our clients; paradigm shifts in technology; competitive factors such as pricing pressures and/or competition to hire and retain employees (particularly those with security clearances); material changes in laws or regulations applicable to our businesses, particularly in connection with (i) government contracts for services, (ii) outsourcing of activities that have been performed by the government, and (iii) competition for task orders under Government Wide Acquisition Contracts ("GWACs") and/or schedule contracts with the General Services Administration; our own ability to achieve the objectives of near term or long range business plans; changes that could result from accounting adjustments requested in connection with finalizing our Report on Form 10-K; and other risks described in the company's Securities and Exchange Commission filings.

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For investor information contact:

David Dragics
Vice President, Investor Relations
(703) 841-7835
ddragics@caci.com

For other information contact:

Jody Brown
Executive Vice President, Public Relations
(703) 841-7801
jbrown@caci.com



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