T-Mobile US, Inc. - Ownership Filing for John Saw

The filing discloses the ownership details of John Saw, President of Technology & CTO at T-Mobile US, Inc. (TMUS). As of September 19, 2025, John Saw owns 40,026 shares of common stock. This includes 13,575 restricted stock units granted under the Sprint Corporation Amended and Restated 2015 Omnibus Incentive Plan and the issuer's 2023 Incentive Award Plan. Additionally, it includes 10,677 performance-based restricted stock units (PRSUs), which represent the minimum number of PRSUs awarded under the 2023 Plan. The PRSUs will vest in full on April 1, 2028, with the potential to earn additional restricted stock units based on performance metrics. The filing was signed by Frederick Williams, Attorney-in-Fact, on September 26, 2025.