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

Deborah Dunie, CACI Chief Technology Officer, Selected Chairman of AFCEA International Technical Committee

Industry Leader a Long-Time Member of Armed Forces Communications and Electronics Association

Arlington, VA, April 7, 2009 - CACI International Inc (NYSE:CAI) announced today that its Executive Vice President and Chief Technology Officer, Deborah Dunie, has been named Chairman of the Armed Forces Communications and Electronics Association (AFCEA) International's Technical Committee. Ms. Dunie will assume this position in June. As Chairman, Ms. Dunie will set the direction and goals for the committee in coordination with the AFCEA President and CEO. In addition, Ms. Dunie will coordinate the monthly committee meetings, promote the SOLUTIONS Series, and oversee sub-committee activities. AFCEA is a non-profit association serving the military, government, industry, and academia as an ethical forum for advancing professional knowledge and relationships in the fields of communications, information technology, intelligence, and global security. AFCEA's current Chairman, Paul Cofoni, is President and Chief Executive Officer of CACI.

With CACI, Ms. Dunie's responsibilities include developing and advancing the company's technology infrastructure, as well as leveraging her expertise to expand capabilities and services that have broad market application with a wide array of the company's clients. She has spearheaded the development of the company's functional core competencies, CACI's extensive portfolio of solutions and services that help customers achieve their objectives by adding value to their operations, increasing their skills and capabilities, and enhancing their missions.

In acknowledging her new position at AFCEA, Ms. Dunie said, "As a long-time member of AFCEA, I am deeply honored to be selected for this position with such an outstanding organization and recognized leader in the IT and intelligence community. I look forward to moving ahead with such activities as developing more interactive discussion forums and conducting the SOLUTIONS Series on key issues facing the AFCEA community."

AFCEA International President and Chief Executive Officer Mr. Kent Schneider said, "AFCEA is honored to have Ms. Dunie take over as the Technology Committee chair. She is a recognized leader in the IT community, and her service to AFCEA has been invaluable. We are confident that the committee will continue its success under her leadership."

CACI President and CEO Paul Cofoni said, "As Chairman of AFCEA, I enthusiastically welcome Deb as Chairman of AFCEA's Technical Committee. I have no doubt that she will bring the same levels of deep technical knowledge, exceptional organizational skill, and total commitment to keeping our nation safe as she brings to CACI every day."

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 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 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