CSC TO WEBCAST SECOND QUARTER FY 2009 EARNINGS TELECONFERENCE

News Release -- October 20, 2008

FALLS CHURCH, Va., Oct. 20 -- CSC (NYSE: CSC) today announced that it will release fiscal second quarter 2009 financial results on Wednesday, Nov.12, 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) 661-5167 (domestic) and (913) 312-1455 (international). The pass code is 5444862.

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 and slides will also be available at this site immediately prior to the call.

A replay will be available on the CSC Web site from approximately one hour after the conclusion of the conference call through Wednesday, Dec.10, 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 5444862.

CSC is a global leader in providing technology-enabled solutions and services through three primary lines of business. These include Business Solutions & Services, Global Outsourcing Services and the North American Public Sector. CSC’s advanced capabilities include systems design and integration, information technology and business process outsourcing, applications software development, Web and application hosting, mission support and management consulting. Headquartered in Falls Church, Va., CSC has approximately 90,000 employees and reported revenue of $17.1 billion for the 12 months ended July 4, 2008. For more information, visit the company’s Web site at www.csc.com.