Carl Zeiss Chooses AT&T as Global Provider for Comprehensive Communications Services

Frankfurt Am Main, Germany, February 24, 2010

newsrelease

Carl Zeiss group has chosen AT&T* as its sole provider of comprehensive communications services. The five-year contract with a value of more than $20 million includes the networking of over 250 Carl Zeiss global offices in 44 countries throughout Europe, North and South America, Asia, Australia and Africa using AT&T`s innovative technologies.

AT&T’s solution for Carl Zeiss is based on a modular portfolio of services. The classification of the elements in the portfolio has been defined according to performance features. Technologies and applications such as Virtual Private Network (VPN), IP Sec, Ethernet, DSL, Remote Access, Managed LAN, Managed Hosting in the USA, EMEA and Asia-Pacific regions and Managed Security via AT&T’s own Internet Data Center are all included in the overall network capabilities offered to Carl Zeiss.

Additionally, Carl Zeiss will experience the benefit of the award-winning AT&T BusinessDirect® Web portal for personalized, secure, anytime access to detailed information regarding critical customer applications.

The solutions will be selected from the portfolio and installed in accordance with the technical and commercial requirements of the individual offices. The central communication points are the region’s respective data centers.

The Carl Zeiss Group is a worldwide leading group of companies in the optical and optoelectronics industry. Under the ZEISS brand name Carl Zeiss markets products and services for bio-medical research, medical technology, and the semiconductor, automotive and mechanical engineering industries. The ophthalmic optics segment is bundled in the holding company, Carl Zeiss Vision International GmbH, which is the world's second largest provider of eyeglass lenses.

As a result of this collaboration with AT&T, Carl Zeiss is able to further consolidate its suppliers, streamline business processes and implement its company-wide safety and security standards in the entire holding.

* AT&T products and services are provided or offered by subsidiaries and affiliates of AT&T Inc. under the AT&T brand and not by AT&T Inc.

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. With a powerful array of network resources that includes the nation’s fastest 3G network, AT&T is a leading provider of wireless, Wi-Fi, high speed Internet and voice services. AT&T offers the best wireless coverage worldwide, offering the most wireless phones that work in the most countries. It also offers advanced TV services under the AT&T U-verseSM and AT&T |DIRECTVSM brands. The company’s suite of IP-based business communications services is one of the most advanced in the world. In domestic markets, AT&T’s Yellow Pages and YELLOWPAGES.COM organizations are known for their leadership in directory publishing and advertising sales. In 2009, AT&T again ranked No. 1 in the telecommunications industry on FORTUNE®magazine’s list of the World’s Most Admired Companies.

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