Indianapolis Power & Light Company Chooses AT&T's Network Services

Managed Network Solutions to Enhance Data Traffic, Protection and Recovery

Indianapolis, Indiana, November 24, 2008

AT&T Inc. (NYSE:T) has announced a new three-year contract to provide integrated network solutions for Indianapolis Power & Light Company (IPL), a subsidiary of AES Corporation, a global power company. With more than 80 years of service in central Indiana, IPL employs about 1,500 people to operate several offices; three primary generation plants in Martinsville, Petersburg and Indianapolis; and a peak-load facility in Indianapolis.

Under the agreement, AT&T will link IPL's locations across the state and monitor its network to optimize data communication through its Managed Internet Service Private Network Transport (MIS PNT) services. As part of AT&T's diverse Internet Protocol Virtual Private Network (IP VPN) portfolio, PNT provides any-to-any connectivity to link domestic sites to a single IP network that easily integrates new locations and applications.

Providing electrical service throughout central Indiana, IPL chose AT&T's network solution for its reliability and disaster recovery capability. Replacing IPL's current operations with a platform for any-to-any communication, AT&T's new wide-area network (WAN) services will optimize data transmission and flow among the offices. Additionally, the enhanced network solution incorporates IPL's disaster recovery center, delivering greater reliability and efficiency for its around-the-clock operations.

"As the power behind Indianapolis, we require the network reliability and efficiency AT&T is known for," said Ramon Eulacio, director of IPL Customer and Enterprise Solutions. "AT&T's managed network solution provides IPL the security of VPN data communications and protection against disaster, allowing us to focus our efforts on providing the excellent service and customer care residents and businesses of central Indiana depend on."

In addition to its MIS PNT services, AT&T also will provide an AT&T Business Network solution. With its fully integrated services including local and long distance under a single contract, AT&T Business Network offers cost efficiencies and greater agility in managing IPL's enterprise.

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About Indianapolis Power & Light Company
Indianapolis Power & Light Company (IPL) provides retail electric service to about 470,000 commercial, industrial and residential customers in Indianapolis, as well as portions of other Central Indiana communities surrounding Marion County. During its long history, IPL has supplied its customers with some of the lowest-cost, most reliable power in the country.

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. In 2008, AT&T again ranked No. 1 on Fortune magazine's World's Most Admired Telecommunications Company list and No. 1 on America's Most Admired Telecommunications Company list. Additional information about AT&T Inc. and the products and services provided by AT&T subsidiaries and affiliates is available at

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