TDS: Achieves Cisco Master Managed Services Certification

TDS recognized as having highest level of expertise in developing and delivering managed services

For more information contact:

Cindy Tomlinson, Associate Manager – PR

TDS Telecommunications Corp.

608-664-4471 / cindy.tomlinson@tdstelecom.com

MADISON, Wis (April 14, 2011)—TDS Telecommunications Corp. (TDS®) announces it has achieved the Cisco® Master Managed Services Certification. This certification recognizes TDS’ investment in the ITIL® (Information Technology Infrastructure Library) processes, practices, and the tools necessary to provide high-quality managed services.

“I applaud our employees for their hard work and dedication. This certification complements our existing business model and customer offering,” says Tom Canfield, vice president of Commercial Marketing and Product Development for TDS. “. We will continue to deliver the high-quality services our customers need most.”

As a Cisco Master Managed Services Certified Partner, TDS has demonstrated the ability to deliver sophisticated solutions, met stringent requirements that reflect a depth of capabilities, and undergone an independent audit by an objective third-party auditor. TDS was also required to offer at least two managed services using the resources and procedures necessary to deploy, manage, and support Cisco solutions.

“TDS’ investment in the Cisco Master Managed Services Certification ranks it among an elite group of channel partners with the resources to deploy, manage, and support services for multiple technologies,” said Edison Peres, senior vice president of worldwide channels at Cisco.

TDS is delivering more and more products and services to its business customers using Cisco-based products, including TDS managedIP, Cisco UC500, XDATA, and MPLS. For details, visit http://www.tdsbusiness.com.

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About TDS

As the eighth largest telecom provider in the U.S., TDS Telecommunications Corp. (TDS®) connects people with broadband Internet, phone, and TV entertainment services in hundreds of rural, suburban, and metropolitan communities in 30 states. With more than 40 years of experience and 1.2 million equivalent access lines in service, customers can select from the latest technologies, including: VoIP (managedIP) phone service, dedicated Internet, data networking, and hosted-managed services.

TDS Telecommunications Corp. also manages the data center operations of VISI Incorporated and TEAM Companies, specializing in co-location, cloud computing, and disaster recovery solutions for businesses of all-sizes. In total, approximately 2,700 people work for the companies both in local communities and at TDS’ national headquarters in Madison, Wis. Visit http://www.tdstelecom.com, http://www.tdsbusiness.com, http://www.visi.comand http://www.team-companies.comfor more information.

TDS Telecommunications Corp. is a wholly owned subsidiary of Telephone and Data Systems, Inc. [NYSE: TDS, TDS.S] Telephone and Data Systems, Inc., a Fortune 500® company, provides wireless, local and long-distance telephone, and broadband services to nearly 7.2 million customers in 36 states through TDS Telecommunications Corp. and U.S. Cellular [NYSE: USM], its 83-percent owned wireless subsidiary. Founded in 1969 and headquartered in Chicago, Telephone and Data Systems employed 12,400 employees as of Dec. 31, 2010. Visit http://www.teldta.comfor more information.

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