Iron Mountain Selects AT&T in Europe

San Antonio, Texas, October 10, 2007

London, U.K. — AT&T Inc. (NYSE:T) announced today that Iron Mountain (NYSE:IRM), the global leader in information protection and storage services, has selected AT&T to provide an Internet Protocol (IP)-based Virtual Private Network (VPN) that connects 157 of its business locations throughout Europe*.

Iron Mountain has seen exponential growth in both the traditional and digital information storage markets. In addition to handling a rise in traffic volume, the company's key selection criteria included the need to address the different requirements of individual facilities across Europe and the flexibility to seamlessly incorporate new locations into the network in the future. Collaborating with Iron Mountain, AT&T developed a secure, managed and flexible solution to meet Iron Mountain's business and technical objectives in Europe.

"AT&T demonstrated that it could meet our immediate business requirements as well as provide a long-term, cost-effective solution for future expansion of the company," said Grant Young, vice president, IT of Iron Mountain Europe. "The VPN service also allows us to develop and introduce Unified Communications programs to further strengthen our business processes."

* Comprises Austria, Belgium, Czech Republic, Denmark, France, Hungary, Ireland, Italy, Netherlands, Norway, Poland, Romania, Spain, Slovenia, Turkey, U.K.

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About Iron Mountain
Iron Mountain Europe is a subsidiary of Iron Mountain Incorporated (NYSE:IRM), the global leader in information protection and storage services. Iron Mountain Europe services 56 markets within 18 countries across Europe. For further information, visit: www.ironmountain.co.uk.

Iron Mountain helps organisations around the world reduce the costs and risks associated with information protection and storage. The company offers comprehensive records management and data protection solutions, along with the expertise and experience to address complex information challenges such as rising storage costs, litigation, regulatory compliance and disaster recovery. Founded in 1951, Iron Mountain is a trusted partner to more than 100,000 corporate clients throughout North America, Europe, Latin America and the Pacific Rim. The company currently employs more than 18,000 staff worldwide and generated sales of $2.4 billion in 2006.

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. Additional information about AT&T Inc. and the products and services provided by AT&T subsidiaries and affiliates is available at www.att.com.

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