News Release-- Giugno 29, 2006

CSC ANNOUNCES $595 MILLION IN PREVIOUSLY UNANNOUNCED FEDERAL CONTRACTS

EL SEGUNDO, Calif., June 29 – Computer Sciences Corporation (NYSE: CSC) announced today that since April 1, 2006, its Federal Sector business unit has signed 80 previously unannounced contracts and subcontracts valued at approximately $595 million during the first quarter of CSC’s fiscal year 2007. The quarter ends June 30, 2006.

The agreements cover time periods ranging from one month to 10 years. Civil agencies accounted for 36 awards with a total value of approximately $246 million. Department of Defense agencies accounted for 44 awards with a total value of approximately $349 million.

“As these awards evidence, CSC remains focused on delivering sound and innovative solutions that produce measurable results for our federal government customers,” said CSC Chairman and Chief Executive Officer Van B. Honeycutt. “CSC is ranked among the top 10 defense contractors in the U.S. and is a recognized leader among U.S. civil agencies. We are the service provider of choice for essential military programs in many areas, including logistics, training and simulation and missile defense technology.”

Significant areas of award activity include Army, Navy, the Department of Justice, transportation, healthcare and intelligence agencies.

All expressed contract award terms and values represent the amounts that CSC expects to receive from the agreements if all options are exercised.

About CSC

Founded in 1959, Computer Sciences Corporation is a leading global information technology (IT) services company. CSC’s mission is to provide customers in industry and government with solutions crafted to meet their specific challenges and enable them to profit from the advanced use of technology.

With approximately 79,000 employees, CSC provides innovative solutions for customers around the world by applying leading technologies and CSC’s own advanced capabilities. These include systems design and integration; IT and business process outsourcing; applications software development; Web and application hosting; and management consulting. Headquartered in El Segundo, Calif., CSC reported revenue of $14.6 billion for the 12 months ended March 31, 2006. For more information, visit the company’s Web site at www.csc.com.