AT&T Wins Four U.S. Wholesale Carrier Excellence Awards; Leadership in Network Performance, Products, Services and Brand Quality Affirmed by Customer Ratings in Atlantic-ACM Report

AT&T is a global leader in the transport and termination ofwholesale traffic. The company won awards in the following categories:

-- Weighted network performance

-- Weighted quality and value of voice products and services

-- Weighted quality and value of data products and services

-- Weighted brand quality

The awards are based on the results of the 2006 edition ofAtlantic-ACM's Wholesale Carrier Report Card, which evaluates theperformance of wholesale carriers in key delivery areas from ratingsby their resale customers.

"These awards are an excellent testament to how we are focused onmeeting the needs of our diverse customer base," said Sherry Charles,vice president, AT&T Wholesale Marketing, AT&T Enterprise Services,Inc. "Our customers are looking for a seamless way of doing business,and AT&T has the scope, vision and proven performance to createintegrated wholesale solutions for any business need, from switchedvoice services to the latest IP technology."

The Atlantic-ACM Wholesale Carrier Report Card analyzes customerfeedback in the traditional wholesale telecommunications market aswell as in emerging technologies. This comprehensive research providesclients with a broad range of diagnostic, benchmarking and marketingtools.

"In the decade of conducting this annual report card, AT&T hasconsistently earned high ratings and awards in various categories andhas used the information to improve in other areas," said Dr. JudyReed Smith, CEO of Atlantic-ACM. "The new AT&T continues to set a highbar for the industry in meeting customer requirements through offeringa portfolio of products and services that customers admire."

As a leading provider of wholesale services, AT&T providescomplete end-to-end solutions for carriers, wireless operators, cableproviders, systems integrators and Internet service providers. Thecompany can help businesses grow by extending their footprint,strengthening their network infrastructure, making their internalbusiness operations more efficient and complementing their existingoffers with value-added application services.

AT&T wholesale services are a comprehensive portfolio of IP, dataand voice services, including VPNs, managed security services andmanaged contact center services.

About ATLANTIC-ACM

Boston-based ATLANTIC-ACM is a leading provider of strategicresearch and consulting services serving the telecommunications andinformation industries. The company assists clients in evaluatingtelecommunications opportunities for successful investment, marketentry and long-term planning. For more information, visitATLANTIC-ACM's website at http://www.atlantic-acm.com.

About the New AT&T

AT&T Inc. is one of the world's largest telecommunications holdingcompanies and is the largest in the United States. Operating globallyunder the AT&T brand, AT&T companies are recognized as the leadingworldwide providers of IP-based communications services to businessand as leading U.S. providers of high speed DSL Internet, local andlong distance voice, and directory publishing and advertisingservices. AT&T Inc. holds a 60 percent ownership interest in CingularWireless, which is the No. 1 U.S. wireless services provider with morethan 54 million wireless customers. Additional information about AT&TInc. and AT&T products and services is available at www.TheNewATT.com.

(C) 2006 AT&T Knowledge Ventures. All rights reserved.Subsidiaries and affiliates of AT&T Inc. provide products and servicesunder the AT&T brand.