Document:

EX-10.16(e)

 Exhibit 10.16(e) 

LETTER AGREEMENT NO. 4 
 As of
October 31, 2014 
 Frontier Airlines, Inc. 

7001 Tower Road 
 Denver, Colorado
80249-7312 
  

	Re:	 SPECIFICATION MATTERS 

Dear Ladies and Gentlemen, 

FRONTIER AIRLINES, INC. (the “Buyer”) and AIRBUS S.A.S. (the “Seller”) have entered into an Airbus A321
Purchase Agreement dated of even date herewith (the “Agreement”) which covers, among other matters, the sale by the Seller and the purchase by the Buyer of certain Aircraft, under the terms and conditions set forth in said
Agreement. The Buyer and the Seller have agreed to set forth in this Letter Agreement No. 4 (the “Letter Agreement”) certain additional terms and conditions regarding the sale of the Aircraft. 

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. 

	1.	AIRCRAFT ENHANCEMENT 

 ***** 

 

	 	(i)	***** 

  

	 	(ii)	***** 

  

	 	(iii)	***** 

  

	 	(iv)	***** 

  

	 	(v)	***** 

  

	2.	ASSIGNMENT 

 Notwithstanding any other provision of this Letter Agreement
or of the Agreement but subject to Clause 21.2 and Clause 21.5 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 2 will be void and of no force or effect. 
  

	3.	 CONFIDENTIALITY 

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

 

	4.	 COUNTERPARTS 

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

  

	*****	Confidential portions of the material have been omitted and filed separately with the Securities and Exchange Commission. 

Confidential 

 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/ Christophe Mourey

		
	Its:	 	 Senior Vice President Contracts

  

			
	Accepted and Agreed
	
	FRONTIER AIRLINES, INC.
		
	By:	 	 /s/ James G. Dempsey

		
	Its:	 	 Chief Financial Officer

  
 ConfidentialEX-10.16(f)

 Exhibit 10.16(f) 

LETTER AGREEMENT NO. 5 
 As of
October 31, 2014 
 Frontier Airlines, Inc. 
 7001 Tower
Road 
 Denver, Colorado 80249-7312 
  

	Re:	***** 

 Dear Ladies and Gentlemen, 

FRONTIER AIRLINES, INC. (the “Buyer”) and AIRBUS S.A.S. (the “Seller”) have entered into an Airbus A321
Purchase Agreement dated of even date herewith (the “Agreement”) which covers, among other matters, the sale by the Seller and the purchase by the Buyer of certain Aircraft, under the terms and conditions set forth in said
Agreement. The Buyer and the Seller have agreed to set forth in this Letter Agreement No. 5 (the “Letter Agreement”) certain additional terms and conditions regarding the sale of the Aircraft. 

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. 

  

	*****	Confidential portions of the material have been omitted and filed separately with the Securities and Exchange Commission. 

	1.	***** 

 The following sub-clause will be
added to Clause 21 of the Agreement: 
 QUOTE 
  

	 	21.6	***** 

 ***** 
  

	 	(a)	***** 

  

	 	(b)	***** 

  

	 	(c)	***** 

  

	 	(d)	***** 

  

	 	(e)	***** 

  

	 	i.	***** 

  

	 	ii.	***** 

  

	 	(A)	***** 

  

	 	(B)	***** 

  

	 	(C)	***** 

  

	 	(D)	***** 

  

	 	(f)	***** 

  

	 	(g)	***** 

  

	 	(h)	***** 

  

	 	(i)	***** 

  

	 	(j)	***** 

  

	 	(k)	***** 

  

	 	(l)	***** 

  

	 	(m)	***** 

  

	 	(n)	***** 

  

	*****	Confidential portions of the material have been omitted and filed separately with the Securities and Exchange Commission. 

Confidential 

 ***** 

UNQUOTE 
  

	2.	ASSIGNMENT 

 Notwithstanding any other provision of this Letter Agreement
or of the Agreement but subject to Clause 21.2 and Clause 21.5 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 2 will be void and of no force or effect. 
  

	3.	 CONFIDENTIALITY 

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

 

	4.	 COUNTERPARTS 

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

  

	*****	Confidential portions of the material have been omitted and filed separately with the Securities and Exchange Commission. 

Confidential 

 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/ Christophe Mourey

		
	Its:	 	 Senior Vice President Contracts

  

			
	Accepted and Agreed
	
	FRONTIER AIRLINES, INC.
		
	By:	 	 /s/ James G. Dempsey

		
	Its:	 	 Chief Financial Officer

  
 ConfidentialEX-10.16(g)

 Exhibit 10.16(g) 

LETTER AGREEMENT NO. 6A 
 As of
October 31, 2014 
 Frontier Airlines, Inc. 

7001 Tower Road 
 Denver, Colorado
80249-7312 
  

	Re:	 A321 AIRCRAFT PERFORMANCE GUARANTEE – CEO (CFM ENGINES) 

Dear Ladies and Gentlemen, 

FRONTIER AIRLINES (the “Buyer”) and AIRBUS S.A.S. (the “Seller”) have entered into an Airbus A321
Purchase Agreement of even date herewith (the “Agreement”) which covers, among other matters, the sale by the Seller and the purchase by the Buyer of certain Aircraft, under the terms and conditions set forth in said Agreement. The
Buyer and the Seller have agreed to set forth in this Letter Agreement No. 6A (the “Letter Agreement”) certain additional terms and conditions regarding the sale of the A321 Aircraft. 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. 

	1.	AIRCRAFT CONFIGURATION 

 The guarantees defined in Paragraphs 2 and 3
below (the “Guarantees”) are applicable to the A321 Aircraft as described in the A321 Standard Specification ***** as amended by the following SCNs: 
  

	 	ii)	 ***** 

  

	 	iii)	 ***** 

  

	 	iii)	 ***** 

hereinafter referred to as the “Specification” without taking into account any further changes thereto as
provided in the Agreement except as provided in paragraph 6 below (for purposes of this Letter Agreement the “A321 Aircraft”). 
  

	2.	***** GUARANTEES 

  

	2.1	***** 

  

	2.1.1	***** 

 ***** 
  

	a)	***** 

  

	b)	***** 

  

	c)	***** 

  

	d)	***** 

  

	e)	***** 

  

	f)	***** 

  

	g)	***** 

  

	h)	***** 

  

	 	1)	***** 

  

	 	2)	***** 

  

	 	3)	***** 

  

	 	4)	***** 

  

	 	5)	***** 

  

	2.1.2	***** 

 ***** 

  

	*****	Confidential portions of the material have been omitted and filed separately with the Securities and Exchange Commission. 

Confidential 

	2.2	***** 

  

	2.2.1	***** 

 ***** 
  

	a)	***** 

  

	b)	***** 

  

	c)	***** 

  

	d)	***** 

  

	e)	***** 

  

	f)	***** 

  

	g)	***** 

  

	h)	***** 

  

	 	1)	***** 

  

	 	2)	***** 

  

	 	3)	***** 

  

	 	4)	***** 

  

	 	5)	***** 

  

	2.2.2	***** 

 ***** 
  

	2.3	***** 

  

	2.3.1	***** 

 ***** 
  

	a)	***** 

  

	b)	***** 

  

	c)	***** 

  

	d)	***** 

  

	e)	***** 

  

	f)	***** 

  

	*****	Confidential portions of the material have been omitted and filed separately with the Securities and Exchange Commission. 

Confidential 

	g)	***** 

  

	h)	***** 

  

	 	1)	***** 

  

	 	2)	***** 

  

	 	3)	***** 

  

	 	4)	***** 

  

	 	5)	***** 

  

	2.3.2	***** 

 ***** 
  

	2.4	***** 

  

	2.4.1	***** 

 ***** 
  

	a)	***** 

  

	b)	***** 

  

	c)	***** 

  

	d)	***** 

  

	e)	***** 

  

	f)	***** 

  

	g)	***** 

  

	h)	***** 

  

	 	1)	***** 

  

	 	2)	***** 

  

	 	3)	***** 

  

	 	4)	***** 

  

	 	5)	***** 

  

	2.4.2	***** 

 ***** 
  

	2.5	***** 

  

	2.5.1	***** 

  

	*****	Confidential portions of the material have been omitted and filed separately with the Securities and Exchange Commission. 

Confidential 

 ***** 
  

	a)	***** 

  

	b)	***** 

  

	c)	***** 

  

	d)	***** 

  

	e)	***** 

  

	f)	***** 

  

	g)	***** 

  

	h)	***** 

  

	 	1)	***** 

  

	 	2)	***** 

  

	 	3)	***** 

  

	 	4)	***** 

  

	 	5)	***** 

  

	2.5.2	***** 

 ***** 
  

	2.6	***** 

  

	3.	***** GUARANTEE 

 ***** 

 

	4.	GUARANTEE CONDITIONS 

  

	4.1	***** 

  

	4.2	***** 

  

	4.3	***** 

  

	4.4	***** 

  

	4.5	***** 

  

	5.	GUARANTEE COMPLIANCE 

  

	5.1	***** 

  

	*****	Confidential portions of the material have been omitted and filed separately with the Securities and Exchange Commission. 

Confidential 

	5.2	***** 

  

	5.3	***** 

  

	5.4	***** 

  

	5.5	***** 

  

	5.6	***** 

  

	5.7	***** 

  

	6.	ADJUSTMENT OF GUARANTEES 

  

	6.1	***** 

  

	6.2	***** 

  

	7.	EXCLUSIVE GUARANTEES 

 ***** 

 

	8.	***** 

 ***** 
  

	8.1	***** 

  

	8.1.1	***** 

  

	8.1.2	***** 

  

	8.2	***** 

  

	8.3	***** 

  

	*****	Confidential portions of the material have been omitted and filed separately with the Securities and Exchange Commission. 

Confidential 

 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/ Christophe Mourey

		
	Its:	 	 Senior Vice President Contracts

  

			
	Accepted and Agreed
	
	FRONTIER AIRLINES, INC.
		
	By:	 	 /s/ James G. Dempsey

		
	Its:	 	 Chief Financial Officer

  
 Confidential

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