Srini Gopalan, president & chief executive officer of T-Mobile US, Inc. (NASDAQ: TMUS), will present and provide a business update on Tuesday, December 9, 2025 at 9:45 a.m. Eastern Time (ET) at the UBS Global Media and Communications Conference.

A live webcast of the event will be available on the Company’s Investor Relations website at https://investor.t-mobile.com. An on-demand replay will be available shortly after the conclusion of the presentation.

To automatically receive T-Mobile financial news by e-mail, please visit the T-Mobile Investor Relations website, https://investor.t-mobile.com, and subscribe to E-mail Alerts.

About T-Mobile US, Inc.

As the supercharged Un-carrier, T-Mobile US, Inc. (NASDAQ: TMUS) is powered by an award-winning 5G network that connects more people, in more places, than ever before. With T-Mobile’s unique value proposition of best network, best value and best experiences, the Un-carrier is redefining connectivity and fueling competition while continuing to drive the next wave of innovation in wireless and beyond. Headquartered in Bellevue, Wash., T-Mobile provides services through its subsidiaries and operates its flagship brands, T-Mobile, Metro by T-Mobile and Mint Mobile. For more information please visit: https://www.t-mobile.com.

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