EL SEGUNDO, Calif., Sept. 4 -- Computer Sciences Corporation (NYSE: CSC) announced today that it has been awarded a contract by the U. S. Air Force Space Command to provide technical services at the Air Force’s Eastern Range, headquartered at Patrick Air Force Base, Fla. CSC estimates the value of the agreement, which has a 10-month base period and nine one-year options, to be $820 million if all options are exercised.

The contract work will be performed by Computer Sciences Raytheon (CSR), a joint venture between CSC’s Applied Technology Division and Raytheon Technical Services Company. CSR provides range technical services to all manned and unmanned launches from Kennedy Space Center and Cape Canaveral Air Station. Under the terms of the agreement, CSR will continue providing operation and maintenance services for instrumentation, communications and information systems across the Air Force Space Command’s Eastern Range. Systems include radar, optical and GPS-based tracking, telemetry, range safety data processing, command destruct, meteorological systems and associated computer, communications and timing systems. In addition, the joint venture will provide mission planning, systems analysis and remote base operations and maintenance.

“For the past 20 years, the U.S. Air Force Space Command, 45th Space Wing has counted on CSC to provide space launch range services for critical national security, scientific and commercial programs across the nation’s 15 million square mile Eastern Range,” said James W. Sheaffer, president of CSC’s North American Public Sector business unit. “We look forward to continuing this relationship with the Air Force and applying our management and technical experience to deliver operational results to the Space Command and our nation’s space programs.”

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.