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AT&T EXPANDS NETWORK INTEGRATION SERVICES TO CANADA

THORNHILL, ON., May 17, 2006- AT&T Inc. today announced the global expansion of AT&T Network Integration Services for business customers in Canada and other key regions around the world.

The services are designed to help organizations overcome hurdles they face as they transform their legacy networks and IT environments to the next generation of secure network technologies. This is the first time AT&T has offered these services in Canada.

"This past year has seen impressive growth in the networking market as well as a strong need for these types of services in Canada," said Kathleen Naasz, Network Integration Director, AT&T Global Services Canada. "In today's global economy, networking is vital to every country and AT&T is at the forefront helping businesses grow and succeed. With AT&T's strong history and proven knowledge base in designing, building, operating and integrating networks, we're in an excellent position to provide these value added services to our customers."

Globalization and other market forces are prompting companies to form tighter links with customers, partners and vendors, and give remote workers instant access to data. Using services from AT&T companies and their strategic partners, AT&T-certified network strategists, engineers and specialists are building and operating networking solutions that meet these business goals. The Network Integration Services include

• Network and vendor consolidation
• WAN/LAN infrastructure design, procure and deploy
• Security policy compliance checks and remediation
• Data center moves and consolidation
• Network and application performance assessmentsVoIP and IPT design, procure and build
• Telecommunications Management, including International and Domestic Private Line
• Customized servicing and maintenance contracts
• Private network design and construction

AT&T Network Integration Services offer a seamless approach across a customer's network. Whether a company is looking to apply this service domestically or set up operations in an overseas location, this service provides a valuable solution that can be applied anywhere to meet a customer's requirements.

Experienced AT&T professionals in Canada help customers plan and build integrated networks that maximize the performance of existing technologies and new applications, integrating your network with ours. Network infrastructure becomes aligned with business processes improving productivity, decreasing complexity and maximizing return on investment.

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About the New 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 55.8 million wireless customers. Additional information about AT&T Inc. and AT&T products and services is available at www.att.com.

©2006 AT&T Knowledge Ventures. All rights reserved. Subsidiaries and affiliates of AT&T Inc. provide products and services under the AT&T brand.

The foregoing contains "forward-looking statements", which are based on management's beliefs as well as on a number of assumptions concerning future events made by and information currently available to management. Readers are cautioned not to put undue reliance on such forward-looking statements, which are not a guarantee of performance and are subject to a number of uncertainties and other factors, many of which are outside AT&T's control, that could cause actual results to differ materially from such statements. For a more detailed description of the factors that could cause such a difference, please see AT&T's filings with the Securities and Exchange Commission. AT&T disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise. This information is presented solely to provide additional information to further understand the results of AT&T.