News Release-- July 20, 2007

CSC Names David McCue Chief Information Officer

EL SEGUNDO, Calif., July 20 – Computer Sciences Corporation (NYSE: CSC) today announced that David McCue has been named chief information officer, effective immediately. McCue will report to CSC President and Chief Executive Officer Michael W. Laphen and will be responsible for the overall direction, strategic vision and business management of CSC’s global internal information technology (IT) environment. He has served as acting CIO since last November.

McCue joined CSC in 1996 through the acquisition of American Practice Management, where he had served as CIO since 1993. His previous CSC assignments include vice president of Applications Portfolio Management, chief information and resource officer for the company’s Healthcare Group and director of Global Applications Architecture. Prior to joining CSC, he held various management and consulting positions at Accenture.

“I am pleased to announce David’s official appointment to this position,” said Laphen. “His knowledge and experience will help us continually align our internal operations with industry best practices and produce results that address our clients’ evolving business needs.”

McCue obtained a bachelor’s degree in commerce from Rider University and an MBA in finance from New York University’s Stern Graduate School of Business Administration. He also holds a commercial pilot’s license.

About CSC

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 87,000 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 March 30, 2007. For more information, visit the company's Web site at www.csc.com.