| | | | | | | | | | | | Incorporated by Reference | | | | | | | | | | | | | | | | | | | | |
| Exhibit No. | | | | | | Exhibit Description | | | | | | Form | | | | | | Date of First Filing | | | | | | Exhibit Number | | | | | | Filed Herein | | |
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| 4.1 | | | | | | Thirty-Eighth Supplemental Indenture, dated as of January 12, 2026, by and among T-Mobile USA, Inc., the Guarantors (as defined therein) and Deutsche Bank Trust Company Americas, as trustee, including the Form of 5.000% Senior Note due 2036. | | | | | | 8-K | | | | | | 1/12/2026 | | | | | | 4.2 | | | | | | | | |
| 4.2 | | | | | | Thirty-Ninth Supplemental Indenture, dated as of January 12, 2026, by and among T-Mobile USA, Inc., the Guarantors (as defined therein) and Deutsche Bank Trust Company Americas, as trustee, including the Form of 5.850% Senior Note due 2056. | | | | | | 8-K | | | | | | 1/12/2026 | | | | | | 4.3 | | | | | | | | |
| 4.3 | | | | | | Fortieth Supplemental Indenture, dated as of February 19, 2026, by and among T-Mobile USA, Inc., the Guarantors (as defined therein) and Deutsche Bank Trust Company Americas, as trustee, paying agent and registrar, including the Form of 3.200% Senior Note due 2032. | | | | | | 8-K | | | | | | 2/19/2026 | | | | | | 4.2 | | | | | | | | |
| 4.4 | | | | | | Forty-First Supplemental Indenture, dated as of February 19, 2026, by and among T-Mobile USA, Inc., the Guarantors (as defined therein) and Deutsche Bank Trust Company Americas, as trustee, paying agent and registrar, including the Form of 3.625% Senior Note due 2035. | | | | | | 8-K | | | | | | 2/19/2026 | | | | | | 4.3 | | | | | | | | |
| 4.5 | | | | | | Forty-Second Supplemental Indenture, dated as of February 19, 2026, by and among T-Mobile USA, Inc., the Guarantors (as defined therein) and Deutsche Bank Trust Company Americas, as trustee, paying agent and registrar, including the Form of 3.900% Senior Note due 2038. | | | | | | 8-K | | | | | | 2/19/2026 | | | | | | 4.4 | | | | | | | | |
| 10.1 | | | | | | Second Amended and Restated Credit Agreement, dated January 5, 2026, by and among T-Mobile USA, Inc., the lenders, swingline lenders and L/C issuers party thereto, and JPMorgan Chase Bank, N.A., as administrative agent. | | | | | | 8-K | | | | | | 1/06/2026 | | | | | | 10.1 | | | | | | | | |
| 22.1 | | | | | | Subsidiary Guarantors and Issuers of Guaranteed Securities. | | | | | | | | | | | | | | | | | | | | | | | | X | | |
| 31.1 | | | | | | Certifications of Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. | | | | | | | | | | | | | | | | | | | | | | | | X | | |
| 31.2 | | | | | | Certifications of Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. | | | | | | | | | | | | | | | | | | | | | | | | X | | |
| 32.1* | | | | | | Certification of Chief Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. | | | | | | | | | | | | | | | | | | | | | | | | X | | |
| 32.2* | | | | | | Certification of Chief Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. | | | | | | | | | | | | | | | | | | | | | | | | X | | |
| 101.INS | | | | | | XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document. | | | | | | | | | | | | | | | | | | | | | | | | | | |
| 101.SCH | | | | | | XBRL Taxonomy Extension Schema Document. | | | | | | | | | | | | | | | | | | | | | | | | X | | |
| 101.CAL | | | | | | XBRL Taxonomy Extension Calculation Linkbase Document. | | | | | | | | | | | | | | | | | | | | | | | | X | | |
| 101.DEF | | | | | | XBRL Taxonomy Extension Definition Linkbase Document. | | | | | | | | | | | | | | | | | | | | | | | | X | | |
| 101.LAB | | | | | | XBRL Taxonomy Extension Label Linkbase Document. | | | | | | | | | | | | | | | | | | | | | | | | X | | |
| 101.PRE | | | | | | XBRL Taxonomy Extension Presentation Linkbase. | | | | | | | | | | | | | | | | | | | | | | | | X | | |
| 104 | | | | | | Cover Page Interactive Data File (the cover page XBRL tags) | | | | | | | | | | | | | | | | | | | | | | | | | | |