2010 Annual Report

United States Cellular Corporation

Ensuring Outstanding Communications Experiences

U.S. Cellular has the highest call quality and network satisfaction of any nationwide carrier, according to Nielsen data. We understand that the call experience is as important as the customer service experience, and we continually enhance our network to ensure stellar nationwide coverage. To date, U.S. Cellular has ranked highest in call quality in the North Central region for
11 consecutive J.D. Power and Associates surveys.

As more of our customers chose smartphones in 2010 and the use of our data services continued to increase, we strengthened our capacity and coverage by upgrading our equipment and adding 366 new cell sites. We completed technical trials of our 4G/LTE network, and we’re exploring buildout technologies that provide the highest quality at an optimal cost. We have access to sufficient spectrum for our initial network buildout, and we’re actively supporting the Federal Communications Commission’s efforts to make additional sources of spectrum available and attainable.

Highest Call Quality Performance Among Wireless Cell Phone Users In North Central Region, Eleven Times in a Row
– J.D. Power and Associates