News Release CACI International Inc · 1100 North Glebe Road · Arlington Virginia 22201

CACI International to Hold Fourth Quarter FY02 Conference Call

Arlington, VA, August 7, 2002 — CACI International Inc (NASDAQ:CACI) will announce its fourth quarter and full year FY02 results at 8:00 AM Eastern Time on Wednesday, August 14, 2002. As mentioned in our press release of August 6, this is one day earlier than previously announced. Following the release of this information, the company has scheduled a conference call at 10:00 AM Eastern Time, during which management will be making a brief presentation focusing on fourth quarter and full year results and operating trends. A question-and-answer session will follow to further discuss the results and the company's future performance expectations.

Interested parties can listen to the conference call and view accompanying exhibits over the Internet by logging on to CACI's Internet site at www.caci.com at the scheduled time. A replay of the call will also be available over the Internet beginning on August 14 at 1:00 PM Eastern Time, and can be accessed through CACI's homepage (www.caci.com) by clicking on the CACI Investor Info button.

A transcript of the conference call will be available approximately August 20 on the CACI Investor Relations page or by contacting CACI's Investor Relations Department.

On Friday, August 16, CACI International Inc Class A Common Stock will begin trading on the New York Stock Exchange (NYSE) under the new ticker symbol "CAI." CACI officials will be celebrating the listing of the company's stock on the NYSE by ringing the opening bell at 9:30 AM.

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 2000 and S&P SmallCap 600 indices, provides dynamic careers for more than 5,500 employees working in 90 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.

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