CSC NAMED ONE OF TOP 25 TECHNOLOGY VENDORS FOR FINANCIAL SERVICES INDUSTRY

News Release -- December 15, 2005

Company is Listed Among Leading Providers for Second Year

EL SEGUNDO, Calif., Dec. 15 -- Computer Sciences Corporation (NYSE: CSC) announced today that it has been named one of the top 25 enterprise companies serving the financial services industry worldwide. The annual ranking is compiled by American Banker, a leading daily newspaper for the banking and financial services industry, and Financial Insights, a global independent research and advisory firm. This is the second year CSC has been named one of the leading providers of information technology (IT) services to the banking and finance industries.

To be named to the top 25, companies must be global technology firms that provide services or market products across multiple industries but have significant reported revenues in financial services. Qualifying companies are categorized and evaluated by fiscal year-end revenues and percentage of revenues from sales to financial services industry clients. Financial Insights gathered and reviewed companies by the applications and services they provide; vendor/product reputation; adherence to industry standards; number of banking clients; number and value of acquisitions within financial services; and both market capitalization and change in market capitalization.

"We're pleased to have been named to the top 25 list again this year," said Jim Cook, president of CSC's Financial Services Group. "Our decades of experience serving financial services firms globally have enabled us to build an impressive track record of delivering real results in the industry."

CSC distinguishes itself through its time-tested ability to plan, build and operate highly reliable, efficient and secure business and IT solutions for leading financial services firms around the world. To complement its capabilities in consulting, systems integration and outsourcing, CSC brings financial services industry knowledge and experience, a comprehensive portfolio of financial services application software and an extensive network of industry and technology partners. More than 10,000 CSC employees are dedicated to serving the company's financial services clients, which include more than 1,200 major banks, insurers and investment management and securities firms.

Founded in 1959, 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 $14.5 billion for the 12 months ended Sept. 30, 2005. For more information, visit the company's Web site at www.csc.com.