AT&T Announces $37.5 Million Contract to Deploy Global Technology Solution for NPOESS

Vienna, Virginia, June 10, 2008

AT&T Government Solutions, a business unit of AT&T Inc. (NYSE:T), has been awarded a nine-year contract extension worth up to $37.5 million by Raytheon Company to build a single global network for the National Polar-orbiting Operational Environmental Satellite System (NPOESS). NPOESS is the next-generation polar-orbiting operational environmental monitoring system for military and civilian users and will provide more timely, more accurate data with higher fidelity than existing systems.

Under the contract extension, AT&T will continue deployment of an Internet Protocol (IP) Virtual Private Network (VPN) solution that will eventually connect 25 NPOESS locations around the world. This network will enable the delivery of near-real-time weather data to users within 28 minutes of on-orbit measurement — approximately four times faster than the delivery rate of today's data links. As part of the NPOESS architecture, the network will optimize the downlink of data from the science instruments on NPOESS spacecraft.

"Real-time access to accurate weather forecasts is critical for both military and civilian operations," said Don Herring, senior vice president, AT&T Government Solutions. "AT&T can help NPOESS accelerate the delivery of this critical information to forecasters by leveraging the speed and reliability of our network."

The VPN solution will harness AT&T's state-of-the-art Multiprotocol Label Switching (MPLS)-enabled network. This highly secure data network will provide the flexibility, reliability and security necessary for users, including the Department of Defense, Department of Commerce, NASA and other federal agencies.

Northrop Grumman is the prime contractor for NPOESS; Raytheon Company is the largest subcontractor and principal teammate, responsible for developing the data processing and command and control segments. The tri-agency Integrated Program Office, composed of the Department of Commerce's National Oceanic and Atmospheric Administration, Department of Defense and NASA, is managing the development of NPOESS.

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About AT&T Government Solutions
AT&T Government Solutions is a long-standing, trusted source of network-enabled solutions for the federal government, integrating unmatched network resources and IT and software engineering expertise with innovative technologies from AT&T Labs and industry-leading partners. With headquarters in Vienna, Va., AT&T Government Solutions is best known for network leadership in voice, data, video and managed services. AT&T Government Solutions is a proven solutions integrator, with expertise in areas such as education and training, enterprise resource planning and management, information assurance, knowledge management, modeling and simulation, network transformation and management and program management.

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