0001193125-17-148246 Sample Contracts

T-MOBILE USA, INC. AND EACH OF THE GUARANTORS PARTY HERETO 5.125% SENIOR NOTES DUE 2025-1 TWENTY-SEVENTH SUPPLEMENTAL INDENTURE Dated as of April 28, 2017 DEUTSCHE BANK TRUST COMPANY AMERICAS as Trustee

T-Mobile US, Inc. • April 28th, 2017 • Radiotelephone communications • New York

• Company
  T-Mobile US, Inc.
• Filed
  April 28th, 2017
• Industry
  Radiotelephone communications
• Jurisdiction
  New York

TWENTY-SEVENTH SUPPLEMENTAL INDENTURE (this “Twenty-Seventh Supplemental Indenture”), dated as of April 28, 2017 (the “Series Issue Date”), among T-Mobile USA, Inc., a Delaware corporation (the “Company”), the Guarantors party hereto and Deutsche Bank Trust Company Americas, a New York banking corporation, as Trustee.

T-MOBILE USA, INC. AND EACH OF THE GUARANTORS PARTY HERETO 4.000% SENIOR NOTES DUE 2022 TWENTY-SIXTH SUPPLEMENTAL INDENTURE Dated as of April 27, 2017 DEUTSCHE BANK TRUST COMPANY AMERICAS as Trustee

Supplemental Indenture • April 28th, 2017 • T-Mobile US, Inc. • Radiotelephone communications • New York

• Contract Type
  Supplemental Indenture
• Filed
  April 28th, 2017
• Company
  T-Mobile US, Inc.
• Industry
  Radiotelephone communications
• Jurisdiction
  New York

TWENTY-SIXTH SUPPLEMENTAL INDENTURE (this “Twenty-Sixth Supplemental Indenture”), dated as of April 27, 2017 (the “Series Issue Date”), among T-Mobile USA, Inc., a Delaware corporation (the “Company”), the Guarantors party hereto and Deutsche Bank Trust Company Americas, a New York banking corporation, as Trustee.