AT&T Wins Contract from Brown and Caldwell for IP-Based Data and Networking Services

Walnut Creek, California, January 29, 2008

AT&T Inc. (NYSE:T) has announced that Brown and Caldwell, a full-service environmental engineering and consulting firm, has signed a three-year $2 million Internet Protocol (IP)-based data and networking services contract with AT&T. Under terms of the contract, AT&T will provide Brown and Caldwell with Multiprotocol Label Switching (MPLS)-enabled Virtual Private Network (VPN) services.

With headquarters in Walnut Creek, Brown and Caldwell has 45 offices and 1,500 professionals across the country. For more than 60 years, the company has helped hundreds of municipal, federal and private agencies successfully overcome their most challenging environmental obstacles.

The new contract with AT&T will provide Brown and Caldwell with fully managed MPLS-enabled VPN services for its 45 locations throughout the United States. Brown and Caldwell will primarily use the wide area network (WAN) services for exchanging computer-aided design (CAD) files among offices, but the company will also use the WAN services for more than 40 other applications via AT&T's MPLS service. The new services will result in increased efficiencies.

"AT&T presented us with solutions offering efficient business management and improved information flow," said Dan Mone, Information Services manager for Brown and Caldwell. "These solutions will help control our operating expenses to support the future of our business."

Through the secure AT&T BusinessDirect® portal, Brown and Caldwell will have around-the-clock access to real-time information about the performance of its network services and a direct connection to electronic billing and ordering systems.

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About Brown and Caldwell
Established in 1947, Brown and Caldwell is a multi-disciplined environmental engineering and consulting firm. The employee-owned company is headquartered in Walnut Creek, Calif., and employs more than 1,500 people in 45 offices nationwide. Engineering News-Record ranks Brown and Caldwell 48th among the nation's top 500 engineering firms, 36th among the Top 200 environmental firms, 21st largest in the Water Supply market and 8th largest in the Sewer/Waste market. For more information, visit http://www.brownandcaldwell.com.

About AT&T
AT&T Inc. (NYSE:T) is a premier communications holding company. Its subsidiaries and affiliates, AT&T operating companies, are the providers of AT&T services in the United States and around the world. Among their offerings are the world's most advanced IP-based business communications services and the nation's leading wireless, high speed Internet access and voice services. In domestic markets, AT&T is known for the directory publishing and advertising sales leadership of its Yellow Pages and YELLOWPAGES.COM organizations, and the AT&T brand is licensed to innovators in such fields as communications equipment. As part of its three-screen integration strategy, AT&T is expanding its TV entertainment offerings. Additional information about AT&T Inc. and the products and services provided by AT&T subsidiaries and affiliates is available at www.att.com.

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