AT&T Wins $3.5 Million Global Networking Contract from Orica

Leading Manufacturer's 135 Global Sites Connected to Increase Efficiencies

San Antonio, Texas, March 21, 2006

AT&T Inc. today announced that it has won a $3.54 million, (A$4.8 million) two-year networking contract from Orica Limited to integrate an advanced Internet Protocol Virtual Private Network (IP VPN). Orica is one of Australia's largest manufacturers in mining, consumer products and chemical services.

The new global network will incorporate AT&T's latest Multiprotocol Label Switching (MPLS) technology, connecting 135 Orica sites across Australia, Asia Pacific, Europe, Canada, Latin America and the United States. The AT&T solution will give Orica's global staff access to its ordering and fulfilment systems based in Melbourne, Australia. The solution has been designed to provide reliable and flexible global infrastructure support to facilitate Orica's $10 million SAP consolidation project.

In addition to enabling more effective communications among Orica's headquarters, manufacturing facilities and sales offices worldwide, the AT&T solution will provide secure, high-speed connectivity for fast and easy access to company databases and online applications.

"AT&T was selected ahead of several global competitors who were bidding for the contract because of the company's global reach and long-term experience in the delivery of IP based solutions," said David Vranes, of Orica's IT Shared Services. "The project will leverage AT&T's advanced customer management tools, including AT&T IP VPN."

"We are delighted to be working with one of Australia's foremost blue chip companies and we look forward to helping Orica achieve its business goals by providing the most secure, reliable and efficient communications network possible," said Jeyan Jeevaratnam, managing director of AT&T Australia / New Zealand.

About Orica
Orica Limited is an Australian listed public company operating globally in 100 countries with 14,000 employees. Orica has five business units: Mining Services, the world's largest supplier of commercial explosives to the mining and quarrying industries; Orica Consumer Products, Australia's leading supplier of paints and stains, texture coatings, powder coatings, paint preparation products, car care and lawn and garden care products under the Dulux. Selleys and Yates brands; Chemical Services, Australia's leading supplier of chemicals to the Water, Adhesives & Resins and Mining & Specialty Chemicals markets; Chemnet, the largest chemical distributor in Australasia, imports, locally sources or manufactures more than 20,000 products; and Incitec Pivot (70% owned) Australia's largest manufacturer and distributor of Fertilisers. Additional information is available at www.orica.com.au

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 more than 54 million wireless customers. Additional information about AT&T Inc. and AT&T products and services is available at www.TheNewATT.com.

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