Non-Independent Director Age: 79 Current Role: Vice Chair of TDS since February 2025 Director since 1968 Mr. Carlson brings substantial experience, expertise and qualifications with respect to TDS and its subsidiaries and the industries in which they operate as a result of his many years as an investor in TDS, a former trustee of the TDS Voting Trust, a director and Vice Chair and former President and Chief Executive Officer of TDS, and a director and former Chair of its two principal business units TDS Telecom and Array. Mr. Carlson was President of TDS from 1981 until February 2025 and CEO of TDS from 1986 until February 2025. As a senior executive officer of TDS and director of each of its two principal business units, the Board of Directors considers it essential that Mr. Carlson serve on the TDS Board of Directors to provide the Board with his views on strategy and operations of TDS and its business units. In addition, as a shareholder with a significant economic stake in TDS, Mr. Carlson provides to the TDS Board of Directors the perspective of shareholders in managing and operating TDS in the long-term interests of shareholders. He also has experience as chairperson of TAG and a member of the CGNC. Mr. Carlson holds an MBA from Harvard University and he is the brother of Walter C. D. Carlson, Letitia G. Carlson, M.D. and Prudence E. Carlson. TDS Board Committees Corporate Governance and Nominating Committee Technology Advisory Group Committee, Chairperson Prior Business and other Experience Former Trustee of the TDS Voting Trust, for more than 5 years TDS Telecom, Former Chair Current Public Company Boards Array, since 1989 Former Public Company Boards Aerial Communications, Inc. American Paging, Inc.