CSC to Report Fourth Quarter Results on Thursday, May 20th, 2010

News Release -- April 23, 2010

FALLS CHURCH, Va., April 23 -- CSC (NYSE: CSC) today announced that it will release financial results for the fourth quarter of fiscal year 2010 on May 20, 2010 at approximately 8:30 a.m. Eastern Daylight Time (EDT).

CSC senior management will host a conference call and Webcast on the same day at approximately 11 a.m. EDT. The conference call dial-in number for domestic callers is 877-604-9670. Callers who reside outside the United States or Canada will need to dial 719-325-4813. The passcode for all participants is 9342404. The Webcast audio and presentation slides will be available at www.csc.com/investor_relations at the time of the conference call.

A replay of the conference call will be available from approximately two hours after the conclusion of the call until June 3, 2010. The replay dial-in numbers are 888-203-1112 for domestic callers and 719-457-0820 for callers residing outside of the U.S. and Canada. The replay passcode is 9342404. A replay of this Webcast will also be available on CSC’s Web site.

About CSC

CSC is a global leader in providing technology-enabled solutions and services through three primary lines of business. These include Business Solutions and Services, the Managed Services Sector and the North American Public Sector. CSC's advanced capabilities include system design and integration, information technology and business process outsourcing, applications software development, Web and application hosting, mission support and management consulting. The company has been recognized as a leader in the industry, including being named by FORTUNE Magazine as one of the World’s Most Admired Companies for Information Technology Services (2010). Headquartered in Falls Church, VA., CSC has approximately 92,000 employees and reported revenue of $16.0 billion for the 12 months ended Jan. 1, 2010. For more information, visit the company’s Web site at www.csc.com.