Filing Details

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Consists of the sum of (i) 583,092,036 shares of Common Stock held by Deutsche Telekom Holding B.V. (“DT Holding”), (ii) 6,728,701 shares of Common Stock held by Deutsche Telekom AG (“Deutsche Telekom”), (iii) 33,043,108 shares of Common Stock held by Delaware Project 6 L.L.C. (“Project 6”), a wholly-owned subsidiary of SoftBank Group Corp. (“SoftBank”) and subject to the Proxy (of which 28,243,108 of such shares of Common Stock are subject to call options granted by Project 6 to Deutsche Telekom), and (iv) 48,751,557 shares of Common Stock held by Delaware Project 9 L.L.C. (“Project 9”), a wholly-owned subsidiary of SoftBank and subject to the Proxy.

**	Consists of (i) 583,092,036 shares of Common Stock held by DT Holding and (ii) 6,728,701 shares of Common Stock held by Deutsche Telekom.

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Based on 1,175,119,211 shares of Common Stock outstanding as of May 1, 2024, which includes 1,171,854,259 shares of Common Stock outstanding as of April 19, 2024, as disclosed in the Issuer’s Quarterly Report on Form 10-Q, filed with the Commission on April 26, 2024, and 3,264,952 shares of Common Stock issued on May 1, 2024, in connection with the closing of the Issuer’s acquisition of Ka’ena Corporation, Mint Mobile, LLC and Mint Mobile Incentive Company, LLC (collectively, the “Mint Acquisition”).

Deutsche Telekom disclaims beneficial ownership in any Common Stock held by Project 6 and Project 9 if such Common Stock is not subject to the Proxy.

Deutsche Telekom disclaims beneficial ownership in any Common Stock held by Project 6 and Project 9 if such Common Stock is not subject to the Proxy.

Deutsche Telekom disclaims beneficial ownership in any Common Stock held by Project 6 and Project 9 if such Common Stock is not subject to the Proxy.

This Amendment No. 27 (this “Amendment No. 27”) to the Schedule 13D filed with the U.S. Securities and Exchange Commission (the “Commission”) on May 10, 2013, (as amended and supplemented from time to time, this “Schedule 13D”), is being filed by Deutsche Telekom AG, a stock corporation (Aktiengesellschaft) organized under the laws of the Federal Republic of Germany (“Deutsche Telekom”), T-Mobile Global Zwischenholding GmbH, a limited liability company (Gesellschaft mit beschränkter Haftung) organized under the laws of the Federal Republic of Germany and a direct wholly owned subsidiary of Deutsche Telekom (“T-Mobile Global”), T-Mobile Global Holding GmbH, a limited liability company (Gesellschaft mit beschränkter Haftung) organized under the laws of the Federal Republic of Germany and a direct wholly owned subsidiary of T-Mobile Global (“T-Mobile Holding”), and Deutsche Telekom Holding B.V., a limited liability company (besloten vennootschap met beperkte aansprakelijkheid) organized under the laws of the Netherlands and a direct subsidiary of T-Mobile Holding, wholly owned by Deutsche Telekom and T-Mobile Holding (“DT Holding” and, together with Deutsche Telekom, T-Mobile Global and T-Mobile Holding, the “Reporting Persons”, and each, a “Reporting Person”), pursuant to Section 13(d) of the Exchange Act, and Rule 13d-2(a) thereunder, with respect to the shares of common stock, par value $0.00001 per share (the “Common Stock”), of T-Mobile US, Inc., a Delaware corporation (the “Issuer” or “T-Mobile”).

Except as set forth below, all Items of this Schedule 13D, as amended prior to the date hereof, are materially unchanged. Capitalized terms used in this Amendment No. 27 and not otherwise defined shall have the respective meanings assigned to such terms in this Schedule 13D.

Deutsche Telekom disclaims beneficial ownership in any Common Stock held by Project 6 and Project 9 if such Common Stock is not subject to the Proxy.

	T-MOBILE GLOBAL ZWISCHENHOLDING GMBH
	By:	/s/ Christoph Appel
		Name:	Christoph Appel
		Title:	Attorney-in-fact