EL SEGUNDO, Calif., April 3 – Computer Sciences Corporation (NYSE: CSC) today announced that it has been cited as a “leader” among federal government systems integrators in the Forrester Wave report, Federal Government Systems Integrators, Q1 2006. In the report, CSC received the highest overall score and was cited as best-suited for most government integration projects.

The report evaluated the current offerings, strategy and market presence of seven of the largest systems integrators using the graphical Forrester Wave methodology. Companies were categorized as industry leaders, strong performers, contenders and risky bets within the Forrester Wave chart.

The report found that CSC “continues to exhibit considerable strengths across the major components of government systems integration, including a broad set of capabilities for the development and implementation of government solutions and an extensive network of technology and service partners.”

“The Forrester findings confirm our excellent record of delivering business results to federal sector agencies,” said Jim Sheaffer, president of CSC’s Federal Sector business unit. “We combine our experience, and business and technical capabilities with a corporate commitment to provide innovative and practical solutions in response to our customers’ changing needs.”

According to the report, “CSC leads with its broad appeal and depth. It has a strong history of success in engineering and integrating large and complex IT systems that meet the specific business needs of government.”

About CSC

Founded in 1959, 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 80,000 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 Dec. 30, 2005. For more information, visit the company’s Web site at www.csc.com.