News Release
CACI International Inc 1100 North Glebe Road Arlington Virginia 22201
www.caci.com

CACI Awarded a Prime Position on $500 Million, Multiple-Award Program with Biometrics Operations and Support Services

Company to Assist with Solutions and Services to Support U.S. Army's Biometrics Task Force Worldwide

Arlington, VA, January 12, 2009 - CACI International Inc (NYSE:CAI) announced today that it has been awarded a prime contract to support the U. S. Army's Biometrics Task Force. CACI received one of twelve prime awards under the Biometrics Operations and Support Services – Unrestricted (BOSS-U) contract vehicle. The BOSS-U program has a total estimated ceiling value of $500 million. The multiple-award, five-year indefinite delivery/indefinite quantity task order contract was awarded to CACI for a three-year base and two one-year option periods. The new work expands CACI's development of its Integrated Security and Intelligence Solutions (ISIS) functional core competency.

The Biometrics Task Force leads Department of Defense (DoD) activities to program, integrate, and synchronize biometric technologies and capabilities and to operate and maintain DoD's authoritative biometric database. The Task Force supports warfighters as they face new challenges and threats in the asymmetric war being waged against global terrorism. Biometric capabilities offer the single most effective tool for identifying and tracking enemies, leveraging the full range of multimodal biometrics – finger and palm prints, iris patterns, facial geometry, voice patterns, and even DNA – to uncover suspects, accessing forensic evidence linking suspects to past attacks and helping to track and find them before they strike. The new award will provide CACI with the opportunity to offer the following services to DoD customers: Management Support; Infrastructure Procurement Design, Development, and Integration; Operations and Maintenance; Advanced Technology Demonstration; Studies and Analysis; and

Test and Evaluation.

Beginning in 2001, CACI has supported the DoD's biometrics mission with program management, acquisition life cycle, and biometrics intelligence analysis services. This contract offers strategic value to the company as it is aligned with CACI's ISIS functional core competency across multiple customers in support of the warfighter, national defense, and homeland security. From equipping military operations with smaller, faster, lighter biometrics collection and screening technologies for fingerprint/iris/face recognition, to improving biometric data sharing among agencies, CACI is committed to meeting the critical challenges to provide enduring biometrics capabilities across DoD.

According to Bill Fairl, CACI President of U.S. Operations, "CACI is very pleased with this new award to support the Army's Biometrics Task Force. It represents recognition of our company's quality service in this mission space, and provides a tremendous opportunity to expand our footprint in delivering biometrics-based identity management solutions."

Paul Cofoni, CACI President and Chief Executive Officer, said, "This new work under the Biometrics Operations and Support Services – Unrestricted contract vehicle is vitally important, because it involves protecting the warfighter in-theater and in supporting our nation's top priorities. It enables CACI to address a broad spectrum of functional areas through various task orders, including technology that is useful in the homeland security arena."

CACI International Inc provides the professional services and IT solutions needed to prevail in today's defense, intelligence, homeland security, and federal civilian government arenas. We deliver enterprise IT and network services; data, information, and knowledge management services; business system solutions; logistics and material readiness; C4ISR Solutions; cyber solutions; integrated security and intelligence solutions; and program management and SETA support services. CACI services and solutions help our federal clients provide for national security, improve communications and collaboration, secure the integrity of information systems and networks, enhance data collection and analysis, and increase efficiency and mission effectiveness. We add value to our clients' operations, increase their skills and capabilities, and enhance their missions. CACI is a member of the Fortune 1000 Largest Companies and the Russell 2000 index. CACI provides dynamic careers for approximately 12,400 employees working in over 120 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; changes in interest rates; currency fluctuations; 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, based on a change in spending patterns, or 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; 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, (iii) competition for task orders under Government Wide Acquisition Contracts ("GWACs") and/or schedule contracts with the General Services Administration; and (iv) accounting for convertible debt instruments; our own ability to achieve the objectives of near term or long range business plans; and other risks described in the company's Securities and Exchange Commission filings.

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For investor information contact:

David Dragics
Senior Vice President, Investor Relations
(866) 606-3471
ddragics@caci.com

For other information contact:

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