X0508 4 2026-02-15 0 0001283699 T-Mobile US, Inc. TMUS 0002066499 Drobac Daniel James C/O T-MOBILE US, INC. 12920 SE 38TH STREET BELLEVUE WA 98006 0 1 0 0 VP & Chief Accounting Officer 0 Common Stock 2026-02-15 4 A 0 3837 0 A 36466.858 D Represents restricted stock units granted under the issuer's 2023 Incentive Award Plan, (the "Plan"); one-sixth of the units vest on each of August 15, 2026, February 15, 2027, August 15, 2027, February 15, 2028, August 15, 2028 and February 15, 2029, subject to the terms of the Plan and related award agreement. /s/ Frederick Williams, Attorney-in-Fact 2026-02-18