CACI Awarded $48.6 Million Task Order Contract to Provide Operational Support for Office of Under Secretary of Defense

Work Supports Maintenance, Security, and Migration of Mission Systems

CACI International Inc (NYSE MKT:CACI) announced today it has been awarded a task order contract valued at $48.6 million to provide operational support services for the Office of the Under Secretary of Defense (Comptroller) (OUSD(C)). The four-year, eight-month task order was awarded under the Alliant contract vehicle and represents continuing work for CACI in the company’s Business Systems market area.

The Comptroller is the principal advisor to the Secretary of Defense for budgetary and fiscal matters, including financial management, accounting policy and systems, management control systems, budget formulation and execution, contract and audit administration, and general management improvement programs.

Under the terms of the award, CACI will continue providing on-site operational support to the mission systems of OUSD(C) in areas relating to system maintenance, information security/assurance, integration, conversion, migration, report generation, documentation, training, and guidance. Over 140 federal agencies rely on enterprise-level business systems built by CACI to manage their budgets, accounting, payroll, and human resources functions.

John Mengucci, CACI’s Chief Operating Officer and President of U.S. Operations, said, “CACI looks forward to providing the Office of the Under Secretary of Defense with a full spectrum of support in modernizing its critical information systems. Our proven financial systems, solutions, and services will assure that projects are completed effectively and on-time.”

According to CACI President and Chief Executive Officer Ken Asbury, “With a refined and efficient budgetary process, the Department of Defense can deliver crucial resources to our military in a timely manner. By leveraging our experience in business systems, we will help DoD enhance the fiscal procedures that are necessary to keeping America’s military men and women equipped, ready, and safe.”

CACI provides information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. A Fortune magazine World’s Most Admired Company in the IT Services industry, CACI is a member of the Fortune 1000 Largest Companies, the Russell 2000 Index, and the S&P SmallCap600 Index. CACI provides dynamic careers for over 16,700 employees in 120 offices worldwide. Visit 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 risk factors set forth in CACI’s Annual Report on Form 10-K for the fiscal year ended June 30, 2014, and other such filings that CACI makes with the Securities and Exchange Commission from time to time. Any forward-looking statements should not be unduly relied upon and only speak as of the date hereof.

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Corporate Communications and Media:Jody Brown, 703-841-7801Executive Vice President, Public [e-mail] Relations:David Dragics, 866-606-3471Senior Vice President, Investor [e-mail]