T-Mobile US Inc

On February 20, 2025, Mark W. Nelson, the Company’s Executive Vice President and General Counsel, adopted a trading plan intended to satisfy the affirmative defense of Rule 10b5-1(c) to sell all of the shares of the Company’s common stock he will acquire on February 17, 2026, upon the vesting of certain time-based restricted stock unit awards and performance-based restricted stock unit awards (“PRSUs”), up to a total of 42,525 shares assuming PRSUs will vest at maximum value, subject to certain conditions. The duration of this trading plan is 372 days.

On March 4, 2025, Peter Osvaldik, the Company’s Chief Financial Officer, adopted a trading plan intended to satisfy the affirmative defense of Rule 10b5-1(c) to sell up to 10,000 shares of the Company’s common stock, subject to certain conditions. The duration of this trading plan is 336 days.

On March 6, 2025, Deeanne King, the Company’s Executive Vice President and Chief People Officer, adopted a trading plan intended to satisfy the affirmative defense of Rule 10b5-1(c) to sell up to 18,628 shares of the Company’s common stock, subject to certain conditions. The duration of this trading plan is 366 days.

On March 10, 2025, Jonathan Freier, the Company’s President, Consumer Group, adopted a trading plan intended to satisfy the affirmative defense of Rule 10b5-1(c) to sell up to 21,155 shares of the Company’s common stock, subject to certain conditions. The duration of this trading plan is 296 days.