CSC WINS $525 MILLION U.S. STRATEGIC COMMAND INFORMATION TECHNOLOGY CAPABILITIES CONTRACT

News Release -- July 29, 2004

EL SEGUNDO, Calif., July 29, 2004 – Computer Sciences Corporation (NYSE: CSC) announced today that it has signed an agreement to provide information technology (IT) infrastructure support services to the United States Strategic Command (USSTRATCOM). CSC estimates the value of the performance-based contract, which has one base year and nine one-year options, to be approximately $525 million if all options are exercised.

Under the contract, CSC will provide all operations, maintenance, logistics, systems engineering, program management and procurement functions required to sustain the command's IT infrastructure. Specific tasks include management and refresh of desktops, servers, networks and related functional services. Over time, CSC will evolve the IT infrastructure to a more common, flexible architecture that will enhance the command's mission and management capabilities.

"CSC is pleased to be selected to help USSTRATCOM meet its evolving information technology requirements," said James McCoy, president of CSC's Defense Integrated Solutions and Services division. "Our experience providing management and modernization services for large, mission-critical IT systems will help provide the results the command requires to accomplish its important missions."

Members of the CSC team include BAE SYSTEMS Mission Solutions Inc., McCallie Associates Inc. and CSSS.NET of Omaha, Neb., and All Native Systems of Winnebago, Neb. The primary place of performance is Offutt AFB, Neb.

About CSC

Founded in 1959, Computer Sciences Corporation is a leading global 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 90,000 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 $14.8 billion for the 12 months ended April 2, 2004. For more information, visit the company's Web site at www.csc.com.