EX-10.13





 Exhibit 10.13 

GUARANTEE ASSUMPTION AGREEMENT 

GUARANTEE ASSUMPTION AGREEMENT dated as of April 1, 2020 by T-Mobile US, Inc., a Delaware
corporation, T-Mobile USA, Inc., a Delaware corporation and the additional guarantors listed on Schedule I hereto (collectively, the “Additional Guarantors”), in favor of Spectrum
License Holder LLC (“License Holder I”), Sprint Spectrum License Holder II LLC (“License Holder II”), Sprint Spectrum License Holder III LLC (“License Holder III” and, together with License Holder I
and License Holder II, “Lessors” and each, a “Lessor”) under that certain Intra-Company Spectrum Lease Agreement dated October 27, 2016 by and among Lessor, the Guarantors party thereto, Sprint Spectrum
Intermediate HoldCo LLC and Sprint Communications, Inc. (as amended from time to time, the “Lease Agreement”). 
 Pursuant
to Section 14 of the Lease Agreement, the Additional Guarantor hereby agrees to become a “Guarantor” for all purposes of the Lease Agreement. Without limiting the foregoing, the Additional Guarantor hereby: 

(a) jointly and severally with the other Guarantors, guarantees to Lessors and their respective successors and assigns the
prompt payment in full when due of any and all Guaranteed Obligations (as defined in the Lease Agreement) in the same manner and to the same extent as is provided in the Lease Agreement as if such Additional Guarantor were an original party thereto;
and 
 (b) makes the representations and warranties as of the date hereof, and agrees to perform the covenants set forth in,
Section 10 of the Lease Agreement with respect to itself and its obligations under this Guarantee Assumption Agreement. 
 This
Guarantee Assumption Agreement shall be governed by, enforced and construed in accordance with, the laws of the State of New York without regard to conflict of laws principles. 

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 IN WITNESS WHEREOF, the Additional Guarantor has caused this Guarantee Assumption Agreement
to be duly executed and delivered as of the day and year first above written. 
  

					
	T-MOBILE USA, INC.
		
	By:	 	 /s/ J. Braxton Carter

		 	Name:	 	J. Braxton Carter
		 	Title:	 	Executive Vice President and
		 		 	Chief Financial Officer
	
	T-MOBILE US, INC.
		
	By:	 	 /s/ J. Braxton Carter

		 	Name:	 	J. Braxton Carter
		 	Title:	 	Executive Vice President and
		 		 	Chief Financial Officer


 [Guarantee Assumption Agreement] 












 
			
	IBSV LLC 
	LAYER3 TV, INC.
	L3TV CHICAGOLAND CABLE SYSTEM, LLC
	L3TV COLORADO CABLE SYSTEM, LLC
	L3TV DALLAS CABLE SYSTEM, LLC
	L3TV DC CABLE SYSTEM, LLC
	L3TV DETROIT CABLE SYSTEM, LLC
	L3TV LOS ANGELES CABLE SYSTEM, LLC
	L3TV MINNEAPOLIS CABLE SYSTEM, LLC
	L3TV NEW YORK CABLE SYSTEM, LLC
	L3TV PHILADELPHIA CABLE SYSTEM, LLC
	L3TV SAN FRANCISCO CABLE SYSTEM, LLC
	L3TV SEATTLE CABLE SYSTEM, LLC
	METROPCS CALIFORNIA, LLC
	METROPCS FLORIDA, LLC
	METROPCS GEORGIA, LLC
	METROPCS MASSACHUSETTS, LLC
	METROPCS MICHIGAN, LLC
	METROPCS NETWORKS CALIFORNIA, LLC
	METROPCS NETWORKS FLORIDA, LLC
	METROPCS NEVADA, LLC
	METROPCS NEW YORK, LLC
	METROPCS PENNSYLVANIA, LLC
	METROPCS TEXAS, LLC
	PUSHSPRING, INC.
	T-MOBILE CENTRAL LLC 
	T-MOBILE FINANCIAL LLC
	T-MOBILE LEASING LLC 
	T-MOBILE LICENSE LLC 
	T-MOBILE NORTHEAST LLC 
	T-MOBILE PCS HOLDINGS LLC
	T-MOBILE PUERTO RICO HOLDINGS LLC
	T-MOBILE PUERTO RICO LLC 
	T-MOBILE RESOURCES CORPORATION
	T-MOBILE SOUTH LLC 
	T-MOBILE SUBSIDIARY IV LLC
	T-MOBILE WEST LLC 
	THEORY MOBILE, INC.
		
	By:	 	 /s/ J. Braxton Carter

		 	Name: J. Braxton Carter
		 	Title:   Authorized Person


 [Guarantee Assumption Agreement] 













			
	ACCEPTED AND AGREED:
	
	SPRINT SPECTRUM LICENSE HOLDER LLC
		
	By:	 	 /s/ Jud Henry

		 	Name: Jud Henry
		 	Title:   Vice President and Treasurer
	
	SPRINT SPECTRUM LICENSE HOLDER II LLC
		
	By:	 	 /s/ Jud Henry

		 	Name: Jud Henry
		 	Title:   Vice President and Treasurer
	
	SPRINT SPECTRUM LICENSE HOLDER III LLC
		
	By:	 	 /s/ Jud Henry

		 	Name: Jud Henry
		 	Title:   Vice President and Treasurer

 [Guarantee Assumption Agreement] 












 Schedule I - 

 

			
	 Entity
	  	 Jurisdiction of Organization

	IBSV LLC	  	Delaware
	Layer3 TV, Inc.	  	Delaware
	L3TV Chicagoland Cable System, LLC	  	Delaware
	L3TV Colorado Cable System, LLC	  	Delaware
	L3TV Dallas Cable System, LLC	  	Delaware
	L3TV DC Cable System, LLC	  	Delaware
	L3TV Detroit Cable System, LLC	  	Delaware
	L3TV Los Angeles Cable System, LLC	  	Delaware
	L3TV Minneapolis Cable System, LLC	  	Delaware
	L3TV New York Cable System, LLC	  	Delaware
	L3TV Philadelphia Cable System, LLC	  	Delaware
	L3TV San Francisco Cable System, LLC	  	Delaware
	L3TV Seattle Cable System, LLC	  	Delaware
	MetroPCS California, LLC	  	Delaware
	MetroPCS Florida, LLC	  	Delaware
	MetroPCS Georgia, LLC	  	Delaware
	MetroPCS Massachusetts, LLC	  	Delaware
	MetroPCS Michigan, LLC	  	Delaware
	MetroPCS Networks California, LLC	  	Delaware
	MetroPCS Networks Florida, LLC	  	Delaware
	MetroPCS Nevada, LLC	  	Delaware
	MetroPCS New York, LLC	  	Delaware
	MetroPCS Pennsylvania, LLC	  	Delaware
	MetroPCS Texas, LLC	  	Delaware
	PushSpring, Inc.	  	Delaware
	T-Mobile Central LLC	  	Delaware
	T-Mobile Financial LLC	  	Delaware
	T-Mobile Leasing LLC	  	Delaware
	T-Mobile License LLC	  	Delaware
	T-Mobile Northeast LLC	  	Delaware
	T-Mobile PCS Holdings LLC	  	Delaware
	T-Mobile Puerto Rico Holdings LLC	  	Delaware
	T-Mobile Puerto Rico LLC	  	Delaware
	T-Mobile Resources Corporation	  	Delaware
	T-Mobile South LLC	  	Delaware
	T-Mobile Subsidiary IV LLC	  	Delaware
	T-Mobile US, Inc.	  	Delaware
	T-Mobile West LLC	  	Delaware
	Theory Mobile, Inc.	  	Delaware