EX-10.6



 Exhibit 10.6 

FIRST AMENDMENT TO LOAN AGREEMENT 

This First Amendment to Loan Agreement (this “Amendment”) is made as of September 20, 2013, by and among AMERICAN
TOWER CORPORATION, as Borrower (the “Borrower”), JPMORGAN CHASE BANK, N.A., as Administrative Agent (the “Administrative Agent”), and the financial institutions whose names appear as lenders on the signature page
hereof. 
 WHEREAS, the Borrower and the Administrative Agent are party to that certain Loan Agreement, dated as of January 31,
2012 (as amended, restated, extended, supplemented or otherwise modified in writing from time to time, the “Loan Agreement”) among the Borrower, the Administrative Agent and the Lenders from time to time party thereto. 

WHEREAS, the Borrower, the Administrative Agent and the Lenders who are signatories hereto and who constitute Majority Lenders have
agreed to amend the Loan Agreement pursuant to Section 11.11 of the Loan Agreement. 
 NOW, THEREFORE, for good and
valuable consideration, the receipt and sufficiency of which are hereby acknowledged by each of the parties hereto, the parties hereby agree as follows: 

1. DEFINED TERMS. Unless otherwise defined herein, capitalized terms used herein shall have the meanings given to them in the Loan Agreement.

 2. AMENDMENT. The Loan Agreement is hereby amended as follows: 

(a) Section 1.1 of the Loan Agreement is hereby amended by inserting, after the definition of “Capitalized Lease Obligation,”
the following new definition: 
 “Cash Equivalents” shall mean ‘cash equivalents’ as defined under
and determined in accordance with generally accepted accounting principles. 
 (b) Section 1.1 of the Loan Agreement is hereby amended
by deleting the definition of “Total Debt” in its entirety and inserting in its place the following: 

“Total Debt” shall mean, for the Borrower and its Subsidiaries on a consolidated basis as of any date,
(a) the sum (without duplication) of (i) the outstanding principal amount of the Loans as of such date, (ii) the aggregate amount of Indebtedness plus Attributable Debt of such Persons as of such date, (iii) the aggregate amount
of all Guaranties by such Persons of Indebtedness as of such date, and (iv) to the extent payable by the Borrower, an amount equal to the aggregate exposure of the Borrower under any Hedge Agreements permitted pursuant to Section 7.1
hereof, as calculated on a marked to market basis as of the last day of the fiscal quarter being tested or the last day of the most recently completed fiscal quarter, as applicable less (b) the sum of all unrestricted domestic cash and Cash
Equivalents of the Borrower and its Subsidiaries as of such date. 

  
 Individual Loan Agreement
Amendment Signature Page 








 (c) Section 7.6 of the Loan Agreement is hereby amended by deleting the text thereof and
inserting in its place the following: 
 “As of the end of each fiscal quarter, the Borrower shall not permit the ratio
of (a) Total Debt on such calculation date to (b) Adjusted EBITDA, as of the last day of such fiscal quarter to be greater than (i) from September 30, 2013 to September 30, 2014, 6.50 to 1.00 and (ii) thereafter, 6.00
to 1.00.” 
 3. BRING-DOWN OF REPRESENTATIONS. The Borrower hereby certifies that, as of the date of this Amendment,
(i) the representations and warranties contained in Section 4.1 of the Loan Agreement are true and correct in all material respects, except for those representations and warranties that are qualified by materiality or Materially Adverse
Effect, which shall be true and correct, both before and after giving effect to this Amendment, and after giving effect to any updates to information provided to the Lenders in accordance with the terms of the Loan Agreement except to the extent
stated to have been made as of the Agreement Date, and (ii) no Default exists. 
 4. EFFECTIVENESS. This Amendment shall become
effective upon the Administrative Agent receiving this Amendment duly executed by the Borrower and the Majority Lenders. 
 5. NO OTHER
AMENDMENTS. Except as provided herein, each of the other provisions of the Loan Agreement shall remain in full force and effect. 
 6.
COUNTERPARTS. This Amendment may be executed in any number of counterparts, each of which shall be deemed to be an original, but all such separate counterparts shall together constitute one and the same instrument. Delivery of an executed
counterpart of a signature page to this Amendment by telecopier or electronic transmission shall be effective as delivery of a manually executed counterpart. 

7. GOVERNING LAW. This Amendment shall be construed in accordance with and governed by the internal laws of the State of New York applicable
to agreements made and to performed in the State of New York. 







 IN WITNESS WHEREOF, the parties hereto have executed this Amendment or caused it to be executed
by their duly authorized officers, all as of the day and year above written. 
  

							
	BORROWER:	 		 	AMERICAN TOWER CORPORATION
				
		 		 	By:	 	 /s/ THOMAS A. BARTLETT

		 		 	Name:	 	Thomas A. Bartlett
		 		 	Title:	 	Executive Vice President, Chief Financial Officer and Treasurer


  
 [Signature Page to First
Amendment to Loan Agreement] 









							
	LENDERS	 		 	JPMORGAN CHASE BANK, N.A., as Administrative Agent and a Lender
				
		 		 	By:	 	 /s/ JOHN J. KOWALCZUK

		 		 	Name:	 	John J. Kowalczuk
		 		 	Title:	 	Executive Director
			
		 		 	TORONTO DOMINION (TEXAS) LLC
				
		 		 	By:	 	 /s/ DEBI YASIN

		 		 	Name:	 	Debi Yasin
		 		 	Title:	 	Authorized Signatory
			
		 		 	TORONTO DOMINION BANK, NEW YORK BRANCH
				
		 		 	By:	 	 /s/ ROBYN ZELLER

		 		 	Name:	 	Robin Zeller
		 		 	Title:	 	Vice President
			
		 		 	MIZUHO BANK, LTD., as a Lender
				
		 		 	By:	 	 /s/ RAYMOND VENTURA

		 		 	Name:	 	Raymond Ventura
		 		 	Title:	 	Deputy General Manager
			
		 		 	CITIBANK, N.A., as a Lender
				
		 		 	By:	 	 /s/ AQMAR MUNIRA MOHAMMAD MUSADEK

		 		 	Name:	 	Aqmar Munira Mohammad Musadek
		 		 	Title:	 	Vice President


  
 [Signature Page to First
Amendment to Loan Agreement] 









							
		 		 	THE ROYAL BANK OF SCOTLAND PLC, as a Lender
				
		 		 	By:	 	 /s/ TYLER J. MCCARTHY

		 		 	Name:	 	Tyler J. McCarthy
		 		 	Title:	 	Director
			
		 		 	THE BANK OF TOKYO-MITSUBISHI UFJ, LTD.
				
		 		 	By:	 	 /s/ JOSE CARLOS

		 		 	Name:	 	Jose Carlos
		 		 	Title:	 	Director
			
		 		 	 ROYAL BANK OF CANADA,

as Lender

				
		 		 	By:	 	 /s/ D.W. SCOTT JOHNSON

		 		 	Name:	 	D.W. Scott Johnson
		 		 	Title:	 	Authorized Signatory
			
		 		 	CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH,
		 		 	As a Lender
				
		 		 	By:	 	 /s/ VIPUL DHADDA

		 		 	Name:	 	Vipul Dhadda
		 		 	Title:	 	Authorized Signatory
				
		 		 	By:	 	 /s/ MICHAEL SPAIGHT

		 		 	Name:	 	Michael Spaight
		 		 	Title:	 	Authorized Signatory


  
 [Signature Page to First
Amendment to Loan Agreement] 









							
		 		 	SOVEREIGN BANK, N.A.
				
		 		 	By:	 	 /s/ WILLIAM MAAG

		 		 	Name:	 	William Maag
		 		 	Title:	 	Senior Vice President
			
		 		 	MORGAN STANLEY BANK, N.A., as a Lender
				
		 		 	By:	 	 /s/ SHERRESE CLARKE

		 		 	Name:	 	Sherrese Clarke
		 		 	Title:	 	Authorized Signatory
			
		 		 	BARCLAYS BANK PLC
				
		 		 	By:	 	 /s/ NOAM AZACHI

		 		 	Name:	 	Noam Azachi
		 		 	Title:	 	Vice President


  
 [Signature Page to First
Amendment to Loan Agreement]