EL SEGUNDO, Calif., July 23 – Computer Sciences Corporation (NYSE: CSC) announced today that it has been awarded a task order to provide comprehensive technological support to the Centers for Medicare and Medicaid Services (CMS). CSC estimates the value of the agreement, which has a seven-month base period, one nine-month option and one one-year option, to be approximately $96 million if all options are exercised. This task order is awarded to CSC under the CMS Professional Information Technology Services Bundle B contract, originally awarded to CSC in 2002.

Under the new task, CSC will continue providing software enhancements and maintenance as well as operations support for the Health and Human Services CMS Medicare Advantage Prescription Drug (MARx) system. MARx processes beneficiary enrollment and creates beneficiary level payments for organizations participating in Title I and Title II of the Medicare Modernization Act (MMA).

“We are pleased to continue applying our experience and expertise to this crucial program and delivering sound operational results to the CMS,” said James W. Sheaffer, president of CSC’s North American Public Sector business unit. “This new task ensures continuity of critical Medicare prescription drug coverage operations and helps position the CMS to meet critical path deadlines for MMA.”

About CSC

Computer Sciences Corporation is a leading global information technology (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 87,000 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 $14.9 billion for the 12 months ended March 30, 2007. For more information, visit the company’s Web site at www.csc.com.