Cummins Selects AT&T For Global Data Center Services

AT&T to Provide Secure Data Center Space for Cummins' Critical-Business Applications with New U.K. Data Center Solution

Columbus, Ohio, December 18, 2006

AT&T Inc. (NYSE: T) announced today that Cummins Inc. (NYSE: CMI) has awarded AT&T a multimillion dollar five-year hosting contract. AT&T will provide the global manufacturer of diesel engines and related technology with 4,000 square feet of secure Internet Data Center (IDC) space at AT&T's Birmingham-area IDC. AT&T's U.K. facility will replace one of Cummins' aging data centers that was out of capacity.

"AT&T has always had a strong relationship with Cummins, and we felt that it had a superior data center solution with the added benefit of being on the AT&T global network," said Bruce Smith, Director of Computing Services for Cummins. "AT&T has been managing networks and collocation facilities longer than any other provider, and this experience factored into our choice," he added.

In addition to AT&T's experience, its flexibility in providing customized space in one of its 32 global Internet data centers also played a big part in the decision. Cummins anticipates migrating systems into the AT&T site in mid-2007.

Additional terms of the deal were not disclosed.

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About Cummins Inc.
Cummins Inc., a global power leader, is a corporation of complementary business units that design, manufacture, distribute and service engines and related technologies, including fuel systems, controls, air handling, filtration, emission solutions and electrical power generation systems. Headquartered in Columbus, Indiana, (USA) Cummins serves customers in more than 160 countries through its network of 550 Company-owned and independent distributor facilities and more than 5,000 dealer locations. Cummins reported net income of $550 million on sales of $9.9 billion in 2005.

About AT&T
AT&T Inc. is one of the world's largest telecommunications holding companies and is the largest in the United States. Operating globally under the AT&T brand, AT&T companies are recognized as the leading worldwide providers of IP-based communications services to business and as leading U.S. providers of high speed DSL Internet, local and long distance voice, and directory publishing and advertising services. AT&T Inc. holds a 60 percent ownership interest in Cingular Wireless, which is the No. 1 U.S. wireless services provider with 58.7 million wireless customers. Additional information about AT&T Inc. and AT&T products and services is available at

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