EX-10.16(c)





 [***] Certain information in this document has been excluded pursuant to Regulation S-K, Item 601(b)(10). 
 Such excluded information is not material and would likely cause competitive harm to the
registrant if publicly disclosed. 
 Exhibit 10.16(c) 

SECOND AMENDED AND RESTATED LETTER AGREEMENT NO. 2 

Frontier Airlines, Inc. 
 4545 Airport Way 

Denver, Colorado 80239 
 Re: PURCHASE INCENTIVES 

Dear Ladies and Gentlemen, 
 This Second Amended and Restated
Letter Agreement No. 2 (hereinafter referred to as this “Letter Agreement”) is entered into as of October 9, 2019 between FRONTIER AIRLINES, INC. (the “Buyer”) and AIRBUS S.A.S. (the
“Seller”). 
 WHEREAS, the Buyer and the Seller entered into an A320 Family Aircraft Purchase Agreement dated as of September 30, 2011 (as
amended, supplemented and modified from time to time prior to the date hereof, the “Agreement”); 
 WHEREAS, the Buyer and the Seller wish
to amend certain terms of the Agreement; 
 NOW, THEREFORE, IT IS AGREED THAT AMENDED AND RESTATED LETTER AGREEMENT NO. 2, DATED AS OF DECEMBER 28,
2017 BETWEEN THE BUYER AND THE SELLER, IS HEREBY AMENDED AND RESTATED IN ITS ENTIRETY TO READ AS FOLLOWS: 
 Capitalized terms used herein and not otherwise
defined in this Letter Agreement have the meanings assigned thereto in the Agreement. The terms “herein,” “hereof” and “hereunder” and words of similar import refer to this Letter Agreement. 

Both parties agree that this Letter Agreement constitutes an integral, nonseverable part of said Agreement, that the provisions of said Agreement are hereby
incorporated herein by reference, and that this Letter Agreement is governed by the provisions of said Agreement, except that if the Agreement and this Letter Agreement have specific provisions which are inconsistent, the specific provisions
contained in this Letter Agreement will govern. 

  
 2nd A&R LA 2 -1 














	1.	 A320 BACKLOG AIRCRAFT [***] 



[***] 
  

	1.1	 [***] 


  

	1.2	 [***] 


  

	1.3	 [***] 


  

	1.4	 [***] 


  

	1.5	 [***] 


  

	1.6	 [***] 


  

	1.7	 [***] 


  

	1.8	 [***] 


  

	 	 [***] 


  

	 	 [***] 


  

	 	 [***] 



  
 2nd A&R LA 2 -2 














	2.	 A319 AIRCRAFT [***] 



 

	 	[***]	 


  

	2.1	 [***] 


  

	2.2	 [***] 


  

	2.3	 [***] 


  

	2.4	 [***] 


  

	2.5	 [***] 


  

	2.6	 [***] 


  

	2.7	 [***] 


  

	2.8	 [***] 


  

	 	 [***] 


  

	 	 [***] 


  

	 	 [***] 



  
 2nd A&R LA 2 -3 














	3.	 A319 [***] 


  

	3.1	 [***] 


  

	3.2	 [***] 


  

	3.3	 [***] 


  

	4.	 A321 BACKLOG AIRCRAFT [***] 



 

	 	 [***] 


  

	4.1	 [***] 


  

	4.2	 [***] 


  

	4.3	 [***] 


  

	4.4	 [***] 


  

	4.5	 [***] 


  

	4.6	 [***] 


  

	4.7	 [***] 


  

	4.8	 [***] 



  
 2nd A&R LA 2 -4 














	4.9	 [***] 


  

	 	 [***] 


  

	 	 [***] 


  

	 	 [***] 


  

	5.	 [***] 


  

	5.1	 [***] 


  

	5.1.1	 [***] 


  

	5.1.2	 [***] 


  

	5.1.3	 [***] 


  

	5.1.4	 [***] 


  

	5.1.5	 [***] 


  

	5.1.6	 [***] 


  

	5.2	 [***] 



  
 2nd A&R LA 2 -5 














	5.2.1	 [***] 


  

	5.2.2	 [***] 


  

	5.2.3	 [***] 


  

	5.2.4	 [***] 


  

	5.2.5	 [***] 


  

	5.2.6	 [***] 


  

	5.3	 A321XLR AIRCRAFT [***] 



 

	5.3.1	 [***] 


  

	5.3.1.1	 [***] 


  

	5.3.1.2	 [***] 


  

	5.3.1.3	 [***] 


  

	5.3.1.4	 [***] 


  

	5.3.1.5	 [***] 


  

	5.3.1.6	 [***] 



  
 2nd A&R LA 2 -6 














	5.3.1.7	 [***] 


  

	5.3.2	 [***] 


  

	5.3.2.1	 [***] 


  

	 	 [***] 


  

	 	 [***] 


  

	5.3.2.2	 [***] 


  

	6.	 [***] 


  

	6.1	 [***] 


  

	 	 [***] 


  

	 	[***]	 


  

	 	[***]	 


  

	 	[***]	 


  

	 	(i)	 [***] 


  

	 	(ii)	 [***] 



  
 2nd A&R LA 2 -7 














	 	(iii)	 [***] 


  

	 	(iv)	 [***] 


  

	 	[***]	 


  

	6.2	 [***] 


  

	 	(i)	 [***] 


  

	 	(ii)	 [***] 


  

	 	(iii)	 [***] 



  
 2nd A&R LA 2 -8 














	 	(iv)	 [***] 


  

	 	[***]	 


  

	 	[***]	 


  

	 	[***]	 


  

	 	[***]	 


  

	 	[***]	 


  

	 	(v)	 [***] 


  

	 	(vi)	 [***] 


  

	 	(vii)	 [***] 


  

	 	(viii)	 [***] 


  

	 	[***]	 



  
 2nd A&R LA 2 -9 














	6.3	 [***] 


  

	 	 [***] 


  

	6.4	 [***] 


  

	 	 [***] 


  

	 	 	 [***] 



  
 2nd A&R LA 2 -10 














	 	[***]	 


  

	 	[***]	 


  

	 	(i)	 [***] 


  

	 	(ii)	 [***] 


  

	 	(iii)	 [***] 


  

	 	(iv)	 [***] 


  

	 	[***]	 


  

	 	[***]	 



  
 2nd A&R LA 2 -11 














	7.	 INTENTIONALLY LEFT BLANK 



 

	8.	 PRICE REVISION FORMULA 



 

	8.1	 Part 1 of Exhibit C to the Agreement, Seller Price Revision Formula, is deleted in its entirety and replaced
with the Part 1 and Part 1A of Exhibit C, annexed as Appendix 1 to this Letter Agreement. 


  

	8.2	 Part 2 of Exhibit C, Propulsion System Price Revision Formula – CFM International, is deleted in its
entirety and replaced with the Part 2 of Exhibit C, annexed as Appendix 2 to this Letter Agreement. 


  

	9.	 [***] 


  

	 	 [***] 


  

	10.	 [***] 



The Buyer and Seller agree that, as of the date hereof, the [***] 
  

	11.	 [***] 


  

	12.	 ASSIGNMENT 



Notwithstanding any other provision of this Letter Agreement or of the Agreement but subject to Clause 21.2 of the Agreement, this Letter
Agreement and the rights and obligations of the Buyer hereunder will not be assigned or transferred in any manner without the prior written consent of the Seller, and any attempted assignment or transfer in contravention of the provisions of this
Paragraph 12 will be void and of no force or effect. 
  

	13.	 CONFIDENTIALITY 



This Letter Agreement is subject to the terms and conditions of Clause 22.11 of the Agreement. 

  
 2nd A&R LA 2 -12 














	14.	 COUNTERPARTS 



This Letter Agreement may be executed by the parties hereto in separate counterparts, each of which when so executed and delivered will be an
original, but all such counterparts will together constitute one and the same instrument. 

  
 2nd A&R LA 2 -13 













 If the foregoing correctly sets forth your understanding, please execute the original and one
(1) copy hereof in the space provided below and return a copy to the Seller. 
  

			
	Very truly yours,
	
	AIRBUS S.A.S.
		
	By:	 	/s/ Benoît de Saint-Exupéry
		 	Benoît de Saint-Exupéry
	Its:	 	Senior Vice President, Contracts


  

			
	Accepted and Agreed
	
	FRONTIER AIRLINES, INC.
		
	By:	 	/s/ Howard Diamond
		 	Howard Diamond
	Its:	 	SVP, General Counsel & Secretary


  
 2nd A&R LA 2 













 APPENDIX 1 TO LETTER AGREEMENT NO. 2 

EXHIBIT C to the Agreement 
 SELLER PRICE
REVISION FORMULA 
 Table of Contents 
  

	 	Part 1	 Seller Price Revision Formula 



 

	 	Part 1A	 Seller Price Revision Formula (Incremental Aircraft) 



 

	 	Part 2	 Propulsion System Price Revision Formula: 



CFM International, Inc. 
  

	 	Part 3	 Propulsion System Price Revision Formula: 



International Aero Engines, LLC 

  
 2nd A&R LA 2 -15 













 EXHIBIT C 
  

	PART 1	 SELLER PRICE REVISION FORMULA (BACKLOG AIRCRAFT) 



  
 2nd A&R LA 2 -16 













 EXHIBIT C 
  

	PART 1A	 SELLER PRICE REVISION FORMULA (INCREMENTAL AIRCRAFT) 



  
 2nd A&R LA 2 -17 













 EXHIBIT C 
  

	PART 2	 PROPULSION SYSTEM PRICE REVISION FORMULA CFM INTERNATIONAL 



  
 2nd A&R LA 2 -18 













 EXHIBIT C 
  

	PART 3	 PROPULSION SYSTEM PRICE REVISION FORMULA 



	 	 International Aero Engines, LLC 



  
 2nd A&R LA 2 -19