FALLS CHURCH, Va., Apr. 29 -- Computer Sciences Corporation (NYSE: CSC) today announced that it will release preliminary fiscal fourth quarter 2008 financial results on Wednesday, May 21, at approximately 4:10 p.m. EST. An earnings conference call will follow at 5:00 p.m. EST. The dial-in numbers for the investment community are (888) 677-8816 (domestic) and (913) 312-0679 (international). The pass code is 7344196.

The conference call hosted by CSC senior management will be webcast simultaneously through a link on the company’s Web site at www.csc.com/investorrelations. Webcast participants will be in a listen-only mode. A replay will be available on the CSC Web site from approximately one hour after the conclusion of the conference call through Wednesday, June 18, 2008, at 8:00 p.m. EST. The replay dial-in numbers are (888) 203-1112 (domestic) and (719) 457-0820 (international). The pass code is 7344196.

About CSC

Computer Sciences Corporation is a leading 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.