J.D. Power: U.S. Cellular Ranks Highest In Network Quality Performance For The Fourth Time In A Row

U.S. Cellular® (NYSE: USM) has continued its run as the top ranked wireless carrier in J.D. Power's Wireless Network Quality Performance Study. For the fourth consecutive reporting period and 20th time since 20061, the wireless carrier has the "Highest Wireless Network Quality Performance in the North Central Region2." This includes U.S. Cellular's high-speed network service in Wisconsin and Illinois, and it is the only region that the company is eligible to receive this J.D Power award. Combined with the company's Total Plans with No Hidden Fees — with unlimited data starting as low as $40 per line/month for four lines — U.S. Cellular customers experience value that is unmatched in the industry.

"At U.S. Cellular, we are committed to providing our customers with an unmatched wireless experience, and this recognition strengthens our commitment to deliver nothing but the best for them," said Mike Irizarry, executive vice president and chief technology officer for U.S. Cellular. "We continue to invest in the latest technologies to enhance our network across the country and ensure that our customers everywhere can use their phones however, whenever and wherever they want."

The 2018 U.S. Wireless Network Quality Performance Study—Volume 1 is based on responses from 38,595 wireless customers. Carrier performance is examined in six geographic regions: Northeast, Mid-Atlantic, Southeast, North Central, Southwest and West. In addition to evaluating the network quality experienced by customers with wireless phones, the study also measures the network performance of tablets and mobile broadband devices. The study was fielded from July through December 2017.

2006-2013 Volumes 1 and 2, 2016 Volume 2 — 2018 Volume 1 Tied for highest ranking.

For J.D. Power award information, visit www.jdpower.com

About U.S. Cellular

U.S. Cellular is the fifth-largest full-service wireless carrier in the United States, providing national network coverage and industry-leading innovations designed to elevate the customer experience. The Chicago-based carrier offers coverage where the other carriers don't and a wide range of communication services that enhance consumers' lives, increase the competitiveness of local businesses and improve the efficiency of government operations. U.S. Cellular has the Highest Wireless Network Quality Performance in the North Central Region, according to the J.D. Power 2016 U.S. Wireless Network Quality Performance Study, and 99 percent of customers have access to 4G LTE speeds. To learn more about U.S. Cellular, visit one of its retail stores or uscellular.com. To get the latest news, promos and videos, connect with U.S. Cellular on Facebook.com/uscellular, Twitter.com/uscellular and YouTube.com/uscellularcorp.

For more information, contact:

Katie Frey, U.S. Cellular

Cell: 777.317.0002

E mail: katie.frey@uscellular.com