T-Mobile US, Inc., together with its subsidiaries, provides mobile communications services in the United States, Puerto Rico, and the United States Virgin Islands. The company offers voice, messaging, and data services to 108.7 million customers in the postpaid, prepaid, and wholesale markets. It also provides wireless devices, including smartphones, wearables, and tablets and other mobile communication devices, as well as wireless devices and accessories. In addition, the company offers services, devices, and accessories under the T-Mobile and Metro by T-Mobile brands through its owned and operated retail stores, T-Mobile app and customer care channels, and its websites. It also sells its devices to dealers and other third-party distributors for resale through independent third-party retail outlets and various third-party websites. As of December 31, 2021, it operated approximately 102,000 macro cell and 41,000 small cell/distributed antenna system sites. The company was founded in 1994 and is headquartered in Bellevue, Washington.

T-Mobile US, Inc.

Statement of Changes in Beneficial Ownership

Initial Statement of Beneficial Ownership

Insider	Title	Transaction Type	Shares Traded	% of Shares Traded	% Chg. in Shares	End of Filing Shares	Price	Transaction Value	Filing Date	Transaction Date
Deeanne King	Executive VP & Chief People Officer Show All	Other Disposition (Sale)	-1.08K	-0.000092%	-3.02%	34.51K	—	—	11 Sep 2024	10 Sep 2024 - 10 Sep 2024
Raul Marcelo Claure	Founder, Independent Director, Director Show All	Open Market Disposition (Sale)	-275K	-0.023569%	-7.49%	3.4M	$196 - $196.74	-$54.07M	11 Sep 2024	09 Sep 2024 - 11 Sep 2024
Raul Marcelo Claure	Founder, Independent Director, Director Show All	Open Market Disposition (Sale)	-114.59K	-0.00982%	-3.03%	3.67M	$197.84 - $200.11	-$22.68M	27 Aug 2024	23 Aug 2024 - 26 Aug 2024
Raul Marcelo Claure	Founder, Independent Director, Director Show All	Open Market Disposition (Sale)	-9.59K	-0.000821%	-0.25%	3.79M	$196.96 - $196.96	-$1.89M	22 Aug 2024	20 Aug 2024 - 20 Aug 2024
Nestor Cano Soler	President of Europe and Member of European Executive Board, Director Show All	Open Market Disposition (Sale)	-8.5K	-0.000728%	-3.29%	249.76K	$197.21 - $197.21	-$1.68M	21 Aug 2024	19 Aug 2024 - 19 Aug 2024
G. Michael Sievert
Deeanne King
Deeanne King
Jonathan A. Freier
Michael J. Katz
Nestor Cano Soler
Nestor Cano Soler
Nestor Cano Soler
James J. Kavanaugh
Letitia Anne Long
Kelvin R. Westbrook
Teresa Ann Taylor
Raul Marcelo Claure
Srikant T. Madhav Datar
Raul Marcelo Claure
Raul Marcelo Claure
Dara A. Bazzano
Peter Osvaldik
Jonathan A. Freier
Kelvin R. Westbrook
G. Michael Sievert
Kelvin R. Westbrook
Michael J. Katz
Callie R. Field
Nestor Cano Soler