Arlington, VA - CACI International Inc (NYSE:CACI) announced today that it has been awarded a prime contract to support the Centers for Disease Control and Prevention's (CDC) Information Technology Infrastructure work under the overall CDC Information Management Services (CIMS) contract. The 10-year, multiple-award, indefinite delivery/indefinite quantity (IDIQ) contract for IT infrastructure work has a ceiling value of $1 billion. The award represents new business for CACI and leverages its position in the growing healthcare IT field.

Founded in 1946, the CDC addresses the most vital issues affecting the public's health and has a workforce of over 10,000 federal employees and approximately 6,000 contract staff. The CIMS work covers information and data analysis, requirements analysis, the design and development of new systems, system security, modifications to existing systems, database administration, and user training.

CACI will provide support at the CDC's main campus in Atlanta as well as its offices worldwide. The award strengthens CACI's functional core competency in Enterprise IT and Network Services (EITN), drawing upon years of IT and network engineering as well as healthcare expertise. CACI's infrastructure support will help the CDC reach its goals of providing close to real-time gathering of health information, developing analytic tools for scientists, and enhancing public health and community collaboration.

Bill Fairl, CACI's President of U.S. Operations, said, "CACI has an excellent track record of improving efficiency, maintaining security, and reducing costs in IT infrastructure environments. Our support will play a pivotal role in helping the Centers for Disease Control continue to provide credible health information and better protect the health of the public."

Paul Cofoni, CACI's President and CEO, said, "CACI continues to execute on its strategic growth plan of aligning its capabilities with the nation's highest priorities, such as improving healthcare and enhancing government systems. The Centers for Disease Control is new to our family of clients and this contract is key to CACI's strategy of increasing our support to federal healthcare agencies. We look forward to offering the CDC proven solutions for its important mission."

CACI provides professional services and IT solutions needed for defense, intelligence, homeland security, and IT modernization and government transformation. We deliver enterprise IT and network services; data, information, and knowledge management services; business system solutions; logistics and material readiness; C4ISR integration services; 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. CACI is a member of the Fortune 1000 Largest Companies and the Russell 2000 index. CACI provides dynamic careers for approximately 12,900 employees working in over 120 offices in the U.S. and Europe. Visit CACI on the web at www.caci.com and www.asymmetricthreat.net.

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 a prolonged recession; terrorist activities or war; changes in interest rates; currency fluctuations; significant fluctuations in the equity markets; changes in our effective tax rate; valuation of contingent consideration in connection with business combinations; 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, or an economic stimulus package; government contract procurement (such as bid protest, small business set asides, loss of work due to organizational conflicts of interest, 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 government audit and reviews conducted by the Defense Contract Audit Agency or other governmental entities with cognizant oversight; the insourcing of contractor positions by the government; 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); market speculation regarding our continued independence; 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; the ability to integrate the operations of our recent acquisitions; 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.

For more information, contact: Jody Brown Executive Vice President, Public Relations Phone: (703) 841-7801 Email: jbrown@caci.com

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