UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) [x] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-09712 UNITED STATES CELLULAR CORPORATION (Exact name of Registrant as specified in its charter) Delaware 62-1147325 (State o ...

Fourth Quarter 2018 Results 2018 Accomplishments 2019 Strategic Priorities and Guidance February 22, 2019 Safe Harbor Statement Under the Private Securities Litigation Reform Act of 1995 2 All information set forth in this presentation, except historical and factual information, represents forward-looking statements. This includes all statements about the company's plans, beliefs, estimates, and expectations. These statements are based on current estimates, projections and assumptions, which involve certain ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) [x] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-09712 UNITED STATES CELLULAR CORPORATION (Exact name of Registrant as specified in its charter) Delaware 62-1147325 (State or oth ...