MID-SIZED CONTRACT WINS ACCELERATE GROWTH OF CSC’S OUTSOURCING AND SYSTEMS INTEGRATION BUSINESS IN EUROPE

News Release -- December 20, 2006

CSC Signs Estimated $321 Million in Contracts with Leading Organizations

EL SEGUNDO, Calif., Dec. 20 -- Computer Sciences Corporation (NYSE: CSC) announced today that it has signed six information technology (IT) outsourcing and systems integration contracts with leading organizations in Europe with an estimated value of $321 million if all options are exercised.

The time periods range from two to seven years and include agreements in the United Kingdom, France and Scandinavia.

“These signings underscore CSC’s ability to not only win mega deals such as the recent $3.73 billion contract with the UK’s National Health Service, but also to pursue and win mid-sized deals across Europe,” said Guy Hains, president of CSC’s European Group. “We look forward to helping these clients achieve key business results.”

Computer Sciences Corporation is a leading global IT services company. CSC’s mission is to provide customers in industry and government with solutions crafted to meet their specific challenges and enable them to profit from the advanced use of technology.

With approximately 78,000 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. Headquartered in El Segundo, Calif., CSC reported revenue of $14.6 billion for the 12 months ended Sept. 29, 2006. For more information, visit the company’s Web site at www.csc.com.