T-Mobile US Inc. Watch

from 10-Q 8 pages Fifty-First Supplemental Indenture

from 10-Q 8 pages Twenty-Fifth Supplemental Indenture

from 8-K 26 pages T-Mobile USA, Inc. and T-Mobile US, Inc. and Each of the Subsidiary Guarantors From Time to Time Party Hereto 5.875% Senior Notes Due 2055 Twenty-Eighth Supplemental Indenture Dated as of March 27, 2025 Deutsche Bank Trust Company Americas as Trustee to Indenture Dated as of September 15, 2022

from 8-K 26 pages T-Mobile USA, Inc. and T-Mobile US, Inc. and Each of the Subsidiary Guarantors From Time to Time Party Hereto 5.300% Senior Notes Due 2035 Twenty-Seventh Supplemental Indenture Dated as of March 27, 2025 Deutsche Bank Trust Company Americas as Trustee to Indenture Dated as of September 15, 2022

from 8-K 26 pages T-Mobile USA, Inc. and T-Mobile US, Inc. and Each of the Subsidiary Guarantors From Time to Time Party Hereto 5.125% Senior Notes Due 2032 Twenty-Sixth Supplemental Indenture Dated as of March 27, 2025 Deutsche Bank Trust Company Americas as Trustee to Indenture Dated as of September 15, 2022

from POSASR 8 pages Twenty-Fifth Supplemental Indenture

from 8-K 35 pages T-Mobile USA, Inc. and T-Mobile US, Inc. and Each of the Subsidiary Guarantors From Time to Time Party Hereto 3.800% Senior Notes Due 2045 Twenty-Fourth Supplemental Indenture Dated as of February 11, 2025 Deutsche Bank Trust Company Americas as Trustee, Paying Agent and Registrar to Indenture Dated as of September 15, 2022

from 8-K 35 pages T-Mobile USA, Inc. and T-Mobile US, Inc. and Each of the Subsidiary Guarantors From Time to Time Party Hereto 3.500% Senior Notes Due 2037 Twenty-Third Supplemental Indenture Dated as of February 11, 2025 Deutsche Bank Trust Company Americas as Trustee, Paying Agent and Registrar to Indenture Dated as of September 15, 2022

from 8-K 35 pages T-Mobile USA, Inc. and T-Mobile US, Inc. and Each of the Subsidiary Guarantors From Time to Time Party Hereto 3.150% Senior Notes Due 2032 Twenty-Second Supplemental Indenture Dated as of February 11, 2025 Deutsche Bank Trust Company Americas as Trustee, Paying Agent and Registrar to Indenture Dated as of September 15, 2022

from 10-K 37 pages Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934 T-Mobile US, Inc., a Delaware Corporation (The “Company,” “We” or “Our”), Currently Has Four Classes of Securities Registered Under Section 12 of the Securities Exchange Act of 1934, as Amended: •the Company’s Common Stock, Par Value $0.00001 Per Share (The “Common Stock”); •the 3.550% Senior Notes Due 2029 (The “2029 Notes”) Issued by T-Mobile USA, Inc. (“T-Mobile USA” or the “Issuer”) and Guaranteed by the Company and Certain of T-Mobile Usa’s Subsidiaries; •the 3.700% Senior Notes Due 2032 (The “2032 Notes”) Issued by T-Mobile USA and Guaranteed by the Company and Certain of T-Mobile Usa’s Subsidiaries; and •the 3.850% Senior Notes Due 2036 (The “2036 Notes” and Together With the 2029 Notes and the 2032 Notes, the “Notes”) Issued by T-Mobile USA and Guaranteed by the Company and Certain of T-Mobile Usa’s Subsidiaries. Description of Common Stock the Following Summary Includes a Brief Description of the Common Stock as Well as Certain Related Information

from 8-K 27 pages T-Mobile USA, Inc. and T-Mobile US, Inc. and Each of the Subsidiary Guarantors From Time to Time Party Hereto 5.250% Senior Notes Due 2055 Twenty-First Supplemental Indenture Dated as of September 26, 2024 Deutsche Bank Trust Company Americas as Trustee to Indenture Dated as of September 15, 2022

from 8-K 27 pages T-Mobile USA, Inc. and T-Mobile US, Inc. and Each of the Subsidiary Guarantors From Time to Time Party Hereto 4.700% Senior Notes Due 2035 Twentieth Supplemental Indenture Dated as of September 26, 2024 Deutsche Bank Trust Company Americas as Trustee to Indenture Dated as of September 15, 2022

from 8-K 27 pages T-Mobile USA, Inc. and T-Mobile US, Inc. and Each of the Subsidiary Guarantors From Time to Time Party Hereto 4.200% Senior Notes Due 2029 Nineteenth Supplemental Indenture Dated as of September 26, 2024 Deutsche Bank Trust Company Americas as Trustee to Indenture Dated as of September 15, 2022

from 10-Q 7 pages Eighteenth Supplemental Indenture

from 10-Q 7 pages Twenty-Fourth Supplemental Indenture

from 10-Q 7 pages Fiftieth Supplemental Indenture

from 8-K 34 pages Seventeenth Supplemental Indenture (This “Seventeenth Supplemental Indenture”), Dated as of May 8, 2024 (The “Series Issue Date”), Among T-Mobile USA, Inc., a Delaware Corporation (The “Issuer”), T-Mobile, US, Inc., a Delaware Corporation (“Parent,” as a Guarantor), and the Other Guarantors Party Hereto (Together With Parent, the “Guarantors”) and Deutsche Bank Trust Company Americas, a New York Banking Corporation, as Trustee, Paying Agent and Registrar

from 8-K 34 pages T-Mobile USA, Inc. and T-Mobile US, Inc. and Each of the Subsidiary Guarantors From Time to Time Party Hereto 3.700% Senior Notes Due 2032 Sixteenth Supplemental Indenture Dated as of May 8, 2024 Deutsche Bank Trust Company Americas as Trustee, Paying Agent and Registrar to Indenture Dated as of September 15, 2022

from 8-K 34 pages T-Mobile USA, Inc. and T-Mobile US, Inc. and Each of the Subsidiary Guarantors From Time to Time Party Hereto 3.550% Senior Notes Due 2029 Fifteenth Supplemental Indenture Dated as of May 8, 2024 Deutsche Bank Trust Company Americas as Trustee, Paying Agent and Registrar to Indenture Dated as of September 15, 2022

from 10-K 4 pages Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934