2020, by and among T-Mobile US, Inc., T-Mobile USA, Inc., each of the subsidiary guarantors from time to time party thereto and Deutsche Bank Trust Company Americas, as trustee, (v) the 4.500% Senior Secured Notes due 2050 issued pursuant to the April 2020 Base Indenture, as supplemented by that certain Fifth Supplemental Indenture, dated as of April 9, 2020, by and among T-Mobile US, Inc., T-Mobile USA, Inc., each of the subsidiary guarantors from time to time party thereto and Deutsche Bank Trust Company Americas, as trustee, (vi) the 1.500% Senior Secured Notes due 2026 issued pursuant to the April 2020 Base Indenture, as supplemented by that certain Seventh Supplemental Indenture, dated as of June 24, 2020, by and among T-Mobile US, Inc., T-Mobile USA, Inc., each of the subsidiary guarantors from time to time party thereto and Deutsche Bank Trust Company Americas, as trustee, (vii) the 2.050% Senior Secured Notes due 2028 issued pursuant to the April 2020 Base Indenture, as supplemented by that certain Eighth Supplemental Indenture, dated as of June 24, 2020, by and among T-Mobile US, Inc., T-Mobile USA, Inc., each of the subsidiary guarantors from time to time party thereto and Deutsche Bank Trust Company Americas, as trustee, and that certain Tenth Supplemental Indenture, dated as of October 6, 2020, by and among T-Mobile US, Inc., T-Mobile USA, Inc., each of the subsidiary guarantors from time to time party thereto and Deutsche Bank Trust Company Americas, as trustee, (viii) the 2.550% Senior Secured Notes due 2031 issued pursuant to the April 2020 Base Indenture, as supplemented by that certain Ninth Supplemental Indenture, dated as of June 24, 2020, by and among T-Mobile US, Inc., T-Mobile USA, Inc., each of the subsidiary guarantors from time to time party thereto and Deutsche Bank Trust Company Americas, as trustee, and that certain Eleventh Supplemental Indenture, dated as of October 6, 2020, by and among T-Mobile US, Inc., T-Mobile USA, Inc., each of the subsidiary guarantors from time to time party thereto and Deutsche Bank Trust Company Americas, as trustee, (ix) the 2.250% Senior Secured Notes due 2031 issued pursuant to the April 2020 Base Indenture, as supplemented by that certain Fourteenth Supplemental Indenture, dated as of October 28, 2020, by and among T-Mobile US, Inc., T-Mobile USA, Inc., each of the subsidiary guarantors from time to time party thereto and Deutsche Bank Trust Company Americas, as trustee, (x) the 3.000% Senior Secured Notes due 2041 issued pursuant to the April 2020 Base Indenture, as supplemented by that certain Twelfth Supplemental Indenture, dated as of October 6, 2020, by and among T-Mobile US, Inc., T-Mobile USA, Inc., each of the subsidiary guarantors from time to time party thereto and Deutsche Bank Trust Company Americas, as trustee, and that certain Fifteenth Supplemental Indenture, dated as of October 28, 2020, by and among T-Mobile US, Inc., T-Mobile USA, Inc., each of the subsidiary guarantors from time to time party thereto and Deutsche Bank Trust Company Americas, as trustee, (xi) the 3.300% Senior Secured Notes due 2051 issued pursuant to the April 2020 Base Indenture, as supplemented by that certain Thirteenth Supplemental Indenture, dated as of October 6, 2020, by and among T-Mobile US, Inc., T-Mobile USA, Inc., each of the subsidiary guarantors from time to time party thereto and Deutsche Bank Trust Company Americas, as trustee, and that certain Sixteenth Supplemental Indenture, dated as of October 28, 2020, by and among T-Mobile US, Inc., T-Mobile USA, Inc., each of the subsidiary guarantors from time to time party thereto and Deutsche Bank Trust Company Americas, as trustee, and (xii) the 3.600% Senior Secured Notes due 2060 issued pursuant to the April 2020 Base Indenture, as supplemented that certain Seventeenth Supplemental Indenture, dated as of October 28, 2020, by and among T-Mobile US, Inc., T-Mobile USA, Inc., each of the subsidiary guarantors from time to time party thereto and Deutsche Bank Trust Company Americas, as trustee.
“Existing T-Mobile Unsecured Notes” means (i) the 6.000% Senior Notes due 2023 issued pursuant to the Base Indenture, as supplemented by that certain Seventeenth Supplemental Indenture dated as of September 5, 2014, among T-Mobile USA, Inc., the guarantors named therein and Deutsche Bank Trust Company Americas, as trustee, (ii) the 6.500% Senior Notes due 2024 issued pursuant to the Base Indenture, as supplemented by that certain Fifteenth Supplemental Indenture dated as of November 21, 2013, among T-Mobile USA, Inc., the guarantors named therein and Deutsche Bank Trust Company Americas, as trustee (which were redeemed on July 4, 2020), (iii) the 6.375% Senior Notes due 2025 issued pursuant to the Base Indenture, as supplemented by that certain Eighteenth Supplemental Indenture dated as of September 5, 2014, among T-Mobile USA, Inc., the guarantors named therein and Deutsche Bank Trust Company Americas, as trustee (which were redeemed on September 1, 2020), (iv) the 6.500% Senior Notes due 2026 issued pursuant to the Base Indenture, as supplemented by that certain Twentieth Supplemental Indenture dated as of November 5, 2015, among T-Mobile USA, Inc., the guarantors named therein and Deutsche Bank Trust Company Americas, as trustee, (v) the 6.000% Senior Notes due 2024 issued pursuant to the Base Indenture, as supplemented by that certain Twenty-First Supplemental Indenture dated as of April 1, 2016, among T-Mobile USA, Inc., the guarantors named therein and Deutsche Bank Trust Company Americas, as trustee, (vi) the 4.000% Senior Notes due 2022 issued pursuant to the Base Indenture, as supplemented by that certain Twenty-Third Supplemental Indenture dated as of March 16, 2017, among T-Mobile USA, Inc., the guarantors named therein and Deutsche Bank Trust Company Americas, as