On November 18, 2022, Omar Tazi notified the Board of Directors of T-Mobile US, Inc. of his decision to resign from the Board, effective January 2, 2023, due to his acceptance of a new role at the Company as the Company's Executive Vice President and Chief Product Officer. Mr. Tazi's resignation from the Board is not the result of any disagreement between Mr. Tazi and the Company on any matter relating to the operations, policies or practices of the Company.