News Release-- March 25, 2003

CSC SIGNS $38 MILLION CONTRACT WITH PUBLIC WORKS AND GOVERNMENT SERVICES CANADA

EL SEGUNDO, Calif., March 25, 2003 Computer Sciences Corporation (NYSE: CSC) has been awarded a seven-year contract with Public Works and Government Services Canada to standardize and integrate the Department of National Defence’s (DND) deployed network operating system. The projected value of this contract is more than $38 million ($60 million Cdn.) if all options are exercised.

Under the agreement, CSC will create a single operating system, based on Windows 2000, that will integrate the DND’s entire network system. CSC will provide project planning and management; systems design, integration and deployment; training support; and applications support services.

Once complete, the integrated system will improve network security and increase efficiency. It will also help the DND reduce its licensing, software maintenance and asset management costs.

“CSC is proud to have been selected by the Canadian government for this important project,” said Charlie Whelan, vice president of CSC’s Canadian operations. “We look forward to providing the highest quality system tailored to the DND’s specific needs.”

Teaming with CSC are Hewlett-Packard (Canada) Co., which will provide technical architecture and deployment services, and CDI Corporate Education Services, which will provide training services.

Founded in 1959, Computer Sciences Corporation is one of the world’s leading information technology (IT) services companies. 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 90,000 employees, including more than 26,000 from the company’s March 7, 2003 acquisition of DynCorp, 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 $11.3 billion for the 12 months ended Dec. 27, 2002. For more information, visit the company’s Web site at www.csc.com.