News Release-- July 31, 2001

CSC-LED JOINT VENTURE WINS NATIONAL SECURITY AGENCY (NSA) GROUNDBREAKER INFORMATION TECHNOLOGY CONTRACT

750 NSA Employees to Transition to the Private Sector

EL SEGUNDO, Calif., July 31 -- Computer Sciences Corporation (NYSE: CSC) today announced that a CSC-led joint venture, the Eagle Alliance, has been awarded the Groundbreaker contract by the National Security Agency (NSA). CSC is the managing partner of the Eagle Alliance, which was formed in partnership with Logicon, a Northrop Grumman company. The contract is estimated to be valued by NSA in excess of $2 billion if all options are exercised. The contract has a potential duration of 10 years.

The Eagle Alliance and its subcontractor companies will provide secure and non-secure telephony and network services, distributed computing services, and enterprise and security management of the non-mission information technology infrastructure at NSA headquarters and surrounding offices. When the contract takes full effect in November, CSC will assume responsibility for transitioning approximately 750 NSA employees into the Eagle Alliance and begin a modernization of the agency’s information technology infrastructure.

The Eagle Alliance was created for and dedicated to NSA and the Groundbreaker program. It will provide a cost-effective model for fulfilling NSA’s requirements and provides a single framework for the delivery of services by all Eagle Alliance members. With full financial backing of CSC and Northrop Grumman, the Eagle Alliance provides a single point of accountability -- the senior executive, Timothy J. Sheahan. In his new position, Sheahan will report to Tom Robinson, president of the Defense Group within CSC’s Federal Sector and chairman of the alliance.

The Eagle Alliance also includes Strategic Alliance Partners -- key members of the delivery team from the beginning, who are committed to the success of Groundbreaker: General Dynamics for telephony and networks, Keane Federal Systems for distributed computing and enterprise management support, as well as Omen Inc (a small business) to fully integrate the members of the Eagle Alliance Small Business Consortium. Other companies, such as ACS Defense, BTG, CACI, Compaq, TRW, Windermere, Fiber Plus, Verizon and Superior Communications make up the team of Technology and Service Delivery Partners.

“We are committed to supporting NSA in this landmark opportunity to use our Tier 1 outsourcing credentials to modernize and streamline their operations and reduce costs,” said Van B. Honeycutt, CSC’s chairman and chief executive officer. “This award represents a continuation of the trend among government agencies to utilize best commercial practices and employ information technology to help meet operational objectives while making better use of IT budgets.”

“We will support the requirements of the National Security Agency in a second-to-none secure environment,” said Paul Cofoni, CSC’s Federal Sector president. “Our team understands the task at hand, and together we will provide strong information technology expertise, proven best commercial practices and large-scale systems management to meet NSA’s objectives.”

CSC will leverage its global capabilities to bring the full power of the company in supporting NSA.

“Our overall solution for NSA capitalizes on CSC’s experience in developing strategies, implementing technologies and achieving service delivery levels for large, global clients,” added Sheahan. “The combination of our extensive outsourcing experience, information security expertise, and 40-year heritage of supporting the federal government ideally positions us to understand the overall needs of the National Security Agency and deliver the results they require.”

About CSC

Computer Sciences Corporation, one of the world’s leading consulting and information technology (IT) services firms, helps clients in industry and government achieve strategic and operational results through the use of technology. The company’s success is based on its culture of working collaboratively with clients to develop innovative technology strategies and solutions that address specific business challenges.

Having guided clients through every major wave of change in information technology since 1959, CSC combines the newest technologies with its capabilities in consulting, systems design and integration, IT and business process outsourcing, applications software, and Web and application hosting to meet the individual needs of global corporations and organizations. With nearly 68,000 employees in locations worldwide, CSC had revenues of $10.5 billion for the twelve months ended March 30, 2001. It is headquartered in El Segundo, California. For more information, visit the company’s Web site at www.csc.com