CSC ELECTS THREE NEW CORPORATE OFFICERS

News Release -- March 31, 2008

FALLS CHURCH, Va., March 31 – Computer Sciences Corporation (NYSE: CSC) today announced the election of three new corporate vice presidents. William L. Deckelman, Jr., 50, has been elected corporate vice president, general counsel and secretary; Gawie Nienaber, 50, has been elected corporate vice president and associate general counsel; and Nathan (Gus) Siekierka, 58, has been elected corporate vice president, human resources.

Nienaber will report to Deckelman, and Deckelman and Siekierka will report to CSC Chairman, President and Chief Executive Officer Michael W. Laphen.

Deckelman will be responsible for all legal activities across the company. He replaces Hayward (Dan) Fisk, who will continue to serve as a corporate vice president until his retirement later in the year. Nienaber is responsible for legal support to all of CSC’s non-U.S. operations, and Siekierka is responsible for all human resources functions throughout the company.

“I am confident that these promotions will strengthen CSC’s corporate leadership team and that each individual’s wealth of experience and expertise will be invaluable as we continue to execute our new corporate growth strategy,” said Laphen.

Deckelman joined CSC two months ago from Affiliated Computer Services Inc. (NYSE: ACS), where he served for 14 years, most recently as executive vice president and general counsel. Prior to this, he worked in a private law practice in Austin and Dallas, Texas, and served as an attorney for MTech Corp/Electronic Data Systems Corporation. He holds a bachelor’s degree in political science and a master’s degree in business administration from Arkansas State University, and a juris doctorate degree from the University of Arkansas School of Law.

Nienaber joined CSC in 1993. He has been associate general counsel with responsibility for legal support to all of CSC’s non-U.S. operations since January 2008. Previously, he served as deputy general counsel with responsibility for legal support to operations in Europe, Middle East and Africa. Nienaber holds a master of laws degree from Harvard Law School, a bachelor of laws degree cum laude from the University of Stellenbosch in South Africa, and was a Rhodes scholar at Oxford University where he was awarded a jurisprudence degree.

Siekierka joined CSC in 1973 and has been responsible for all human resources functions throughout the company since November 2005. Previously, he held lead human resources positions for several of the company’s commercial outsourcing units, including Global Infrastructure Services, Technology Management Group, Global Transformation Solutions and Americas Business Development. Prior to this, he was vice president of Human Resources for CSC’s North American Public Sector (NPS) business unit and chief human resources executive for several NPS organizations. Siekierka holds a bachelor’s degree in psychology from the University of Maryland and a master’s degree in business administration in personnel management from George Washington University.

About CSC

Computer Sciences Corporation is a leading information technology (IT) services company. CSC’s mission is to be a global leader in providing technology-enabled business solutions and services.

With approximately 91,000 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. CSC reported revenue of $16.1 billion for the 12 months ended Dec. 28, 2007. For more information, visit the company’s Web site at www.csc.com.