TDS and U.S. Cellular to Present at 2009 Citi Global Entertainment, Media & Telecommunications Conference

CHICAGO, Dec. 18 /PRNewswire-FirstCall/ — Telephone and Data Systems,
Inc. (NYSE: TDS, TDS.S) and United States Cellular Corporation (NYSE: USM)
will be jointly presenting at the 2009 Citi Global Entertainment, Media &
Telecommunications Conference in Phoenix, Ariz. on Jan. 7, 2009.

Kenneth R. Meyers, TDS executive vice president and chief financial
officer, and Steven T. Campbell, U.S. Cellular executive vice president-
finance and chief financial officer, will present at 9:50 a.m. MST. Mark A.
Steinkrauss, TDS vice president, corporate relations will also attend.

The presentation will be available via live webcast or on demand. To
access the webcast, please visit the Presentations page of
http://www.teldta.com at least 15 minutes prior to the scheduled presentation
to register and download any necessary multimedia streaming software.

About TDS
Telephone and Data Systems, Inc. (TDS), a Fortune 500(R) company, provides
wireless, local and long-distance telephone, and broadband services to nearly
7.4 million customers in 36 states through its business units, U.S. Cellular
(wireless) and TDS Telecom (wireline). Founded in 1969 and headquartered in
Chicago, TDS employed 11,800 full-time equivalent employees as of Sept. 30,
2008. For more information about TDS, visit http://www.teldta.com.

About U.S. Cellular(R)

United States Cellular Corporation, the nation’s sixth-largest,
full-service wireless carrier, provides a comprehensive range of wireless
products and services, excellent customer support, and a high-quality network
to nearly 6.2 million customers in 26 states. The Chicago-based company
employed 8,400 full-time equivalent associates as of Sept. 30, 2008. For more
information about U.S. Cellular, visit http://www.uscellular.com.

For more information, please visit http://www.teldta.com or
http://www.uscellular.com.

SOURCE Telephone and Data Systems, Inc.