EL SEGUNDO, Calif., Sept. 30 - Computer Sciences Corporation (NYSE: CSC) announced today that it has won a contract to continue providing scientific, engineering and technical advisory services to the Joint Theater Air and Missile Defense Organization (JTAMDO), a division within the U.S. Department of Defense (DoD) chartered to provide an improved capability to defend against air and missile threats.

CSC estimates the value of the agreement, which has one base year and four one-year options, to be approximately $122 million if all options are exercised. CSC has supported the JTAMDO for the past five and a half years.

Under the agreement, CSC will provide requirements, concepts, architecture, analysis, interoperability, force protection, engineering and integrated homeland air security support, as well as senior liaison support for the JTAMDO to combatant commands worldwide.

“This contract underscores the CSC team’s ability to provide unparalleled operational, technical and management support to the JTAMDO and the Department of Defense,” said Paul Cofoni, president of CSC’s Federal Sector business unit. “We look forward to continuing this critical work.”

Approximately 45 senior analysts from CSC's Defense Mission Engineering and Integration division will perform the work at Crystal City, Va., and eight other CSC locations worldwide.

Members of the CSC team include Booz Allen Hamilton; SYColeman; Systems Planning and Analysis Inc.; Dynetics Inc.; Teledyne Brown Engineering; SDS International Inc.; ALION Science and Technology; Holmes-Tucker International Inc.; Advanced Defense Concepts; Paradigm Technologies Inc.; Cornerstone Industry Inc. and Touchstone Consulting Group Inc.

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 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 $14.9 billion for the 12 months ended July 2, 2004. For more information, visit the company's Web site at www.csc.com.