News Release-- May 20, 2008

CSC ELECTS RANDY PHILLIPS VICE PRESIDENT, CORPORATE DEVELOPMENT

FALLS CHURCH, Va., May 20 – Computer Sciences Corporation (NYSE: CSC) today announced that Randy Phillips, 49, has been elected vice president, corporate development. Phillips will report to CSC Chairman, President and Chief Executive Officer Michael W. Laphen.

Phillips will be responsible for identifying, negotiating and closing all acquisitions, divestitures and related transactions that drive CSC's growth strategies. He replaces Paul Tucker, who will continue to serve as a corporate vice president until his retirement later in the year.

“Randy’s appointment strengthens CSC’s corporate leadership team as we continue to execute Project Accelerate, the company’s strategic growth plan,” said Laphen. “His wealth of experience and proven track record in corporate development will be invaluable as we continue to pursue new avenues of growth.”

Phillips joined CSC in December 2007 from Alcoa, where he served for four years, most recently as president, corporate development in China. In this role, he led Alcoa’s growth initiatives in China, including negotiation and execution of joint ventures, mergers and acquisitions. Previously, he served as director, corporate development in the company’s New York headquarters and was responsible for global growth initiatives in the United States, Europe, Russia, Africa and Asia. Prior to this, Phillips was vice president, corporate development for TRW Inc. In this role, he was responsible for the analysis and management of strategic business development initiatives across TRW’s aerospace, information systems and automotive global businesses. He also held a range of engineering and management positions within TRW, focused primarily in the aerospace and defense sector.

A native of Ohio, Phillips received his bachelor of science degree in computer science/systems from Wright State University in Dayton. He completed the Harvard University Program for Senior Executives in national and international security and is a graduate of the Tuck Executive Program from the Amos Tuck School of Business Administration at Dartmouth College in Hanover, N.H. He currently serves on the board of trustees for the Wright State University Foundation as well as the external advisory board of the College of Engineering and Computer Science.

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.