Document:

EX-10.17(J)

 Exhibit 10.17(j) 

EXECUTION COPY 

NINTH AMENDMENT TO THE FRONTIER AIRLINES, INC 

CREDIT CARD AGREEMENT 

THIS NINTH AMENDMENT (this “Amendment”) to the Frontier Airlines, Inc. Credit Card Agreement is made and entered into as of
November 5, 2013 by and among Barclays Bank Delaware, formerly known as Juniper Bank (“Barclays”), and Frontier Airlines, Inc. (“Frontier”). 

WHEREAS, Barclays and Frontier entered into the Frontier Airlines. Inc., Credit Card Affinity Agreement on March 12, 2003, which
agreement has been supplemented by a letter agreement dated April 1, 2003 and amended by eight amendments (as so supplemented and amended, the “Agreements”); 

WHEREAS, Falcon Acquisition Group, Inc., a Delaware corporation (the “Buyer”), has entered into an agreement to acquire all
of the capital stock of Frontier Airlines Holdings, Inc., the parent corporation of Frontier, from Republic Airways Holdings Inc. (“Republic”), the closing of which acquisition (the “Transaction Closing”) is
anticipated to occur in December 2013; 
 WHEREAS, upon the occurrence of the Transaction Closing, and pursuant to the terms of the Mutual
Release and Removal of Parties from Frontier Airlines, Inc. Credit Card Affinity Agreement entered into as of November 5, 2013 among Barclays, Frontier, Republic, YX Properties, LLC (“YX”) and Midwest Airlines, Inc.
(“Midwest”), YX, Midwest and Republic shall cease to be parties to the Agreement and Republic shall be released from its obligations under the Agreement; 

WHEREAS, Barclays and Frontier desire to adopt further amendments to the Agreement, which amendments shall be effective on a prospective basis
from and after the date on which the Transaction Closing occurs (the “Transaction Effective Date”), all in accordance with the further terms and conditions set forth below; and 

WHEREAS, capitalized terms used herein and not otherwise herein defined are used as defined in the Agreement 

NOW, THEREFORE, in consideration of the premises and other good and valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, the parties agree as follows: 
 1. Initial Term. Effective as of the Transaction Effective Date, the text of Section
l(p) of the Agreement is deleted and the following is inserted in its place: 
 “Initial Term” means the period that begins
on the Effective Date and ends on December 31, 2020.” 

  

  
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 2. Pre-Purchased Mileage Facility. Effective as of
the Transaction Effective Date, Section 5A of the Agreement is deleted and the following new Section 5A is inserted in its place: 
 “5A
Pre-Purchased Mileage Facility. 
 5A.1 Pre-Purchased Miles Facility. On the Transaction Effective
Date, Barclays will establish and implement a Pre-Purchased Miles facility (the “Facility”) pursuant to which Barclays will pre-purchase Purchase Miles
(“Pre-Purchased Miles”). Subject to, and adjusted as contemplated by, the further terms of this Section 5A, the target size of the Facility (the “Target Size”) will be *****.
The initial amount of the Facility will be *****. The amount of the Facility will be reset for the then current calendar year on ***** and on each ***** thereafter during the Initial Term through and including ***** (each, an “Annual Reset
Date”). The Facility will initially be funded by the purchase by Barclays on the Transaction Effective Date of the number of Pre-Purchased Miles equal to the difference between ***** and the value
(valued at ***** per Pre-Purchased Mile) of the number of Pre-Purchased Miles previously purchased by Barclays pursuant to the terms of this Agreement which are unused
and outstanding on the Transaction Effective Date. The price for each Pre-Purchased Mile purchased by Barclays pursuant to any provision of this Section 5A shall be *****. Barclays obligation to purchase
additional Pre-Purchased Miles on the Transaction Effective Date or in respect of any Annual Reset Date or Semi-Annual Reset Date (as defined below) pursuant to this Section 5A shall be conditioned upon the
Conditions Precedent (as defined below) being satisfied on such dale. If the Conditions Precedent are not satisfied on any such date then, notwithstanding any other provision of this Section 5A, the Target Size of the Facility will not be subject to
increase but may be reduced as provided in Section 5A.1.1, 5A.1.2 or 5A.1.3. 
 5A.1.1 A forecast of Revenue Share for each calendar year during the Initial
Term *****, for purposes of determining the Target Size for such year, will be developed jointly by Barclays and Frontier on or before ***** and each ***** thereafter through *****. In the event Barclays and Frontier do not agree on any such
forecast (such agreement not to be unreasonably withheld or delayed by either party), an annualized amount based upon the actual Revenue Share for the months of July through December of the immediately preceding calendar year will be used for
calculating the Target Size for the new calendar year. If the Target Size is larger than (a) ***** on ***** or (b) the Target Size for the prior year on ***** or on any ***** thereafter through *****, Barclays will increase the Target Size of
the Facility to the amount of the forecasted Revenue Share for such year by ***** of such year by means of the purchase of additional Pre-Purchased Miles. If the Target Size is less than (i) ***** on ***** or
(ii) the Target Size for the prior calendar year on ***** or on any ***** thereafter through *****, the Facility will be reduced to the new Target Size following the annual review process by amortizing the amount of the reduction equally over
the ***** of such year by deducting such reduction amounts from monthly Revenue Share amounts otherwise due to Frontier under this Agreement. 
 5A.1.2 If
on ***** the annualized Revenue Share for the year, calculated based upon the actual Revenue Share for the ***** of the year (the “Annualized Run Rate”), is projected to be ***** or more below the Target Size set for such year,
Barclays shall recover the amount in excess of the ***** deficiency, and the Target Size will be reduced, ***** of Revenue Share amounts 

  

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

  
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otherwise due to Frontier under this Agreement. If on ***** the Annualized Run Rate for the year is projected to be ***** or more above the Target Size for such year, Barclays shall increase the
Target Size by the amount of the Revenue Share in, excess of the ***** overage. The increase in the amount of the Facility will be accomplished by means of the purchase of additional Pre-Purchased Miles by
Barclays on or before *****. 
 5A.1.3 If on ***** or on each ***** thereafter through *****, the Annualized Run Rate for the year is projected to be *****
or more below the Target Size set for such year, Barclays shall recover the amount in excess of the ***** deficiency, and the Target Size will be reduced, in ***** of Revenue Share amounts otherwise due to Frontier under this Agreement. If on *****
or on any ***** thereafter through *****, the Annualized Run Rate is projected to be ***** or more above the Target Size for such year, Barclays shall increase the Target Size by the amount of the Revenue Share in excess of the ***** overage. The
increase in the amount of the Facility will be accomplished by means of the purchase of additional Pre-Purchased Miles by Barclays on or before ***** of the applicable year. 

5A.1.4 Notwithstanding the foregoing provisions of this Section 5A, the maximum Target Size of the Facility will be *****. If actual Revenue Share payable to
Frontier pursuant to this Agreement has exceeded ***** on any rolling consecutive ***** during the Initial Term and the Conditions Precedent shall have been continually satisfied during such period, Barclays will employ commercially reasonable
efforts to resize the Facility based on the overall attributes of the Frontier business at the time. 
 5A.2 Use of
Pre-Purchased Miles. Barclays shall use the Pre-Purchased Miles to compensate Frontier for fees otherwise earned hereunder in the manner and in accordance with the
following terms and conditions. In addition, Frontier shall pay interest on the value of the outstanding Pre-Purchased Miles as set forth below. 

5A.2.1 In each mouth that Barclays holds Pre-Purchased Miles, it shall compensate Frontier for fees earned hereunder
with Pre-Purchased Miles pursuant to the following process: *****. For the avoidance of doubt, the reporting and use of Pre-Purchased Miles as payment in lieu of cash
shall occur within the time frames established in Section 5. 
 5A.2.2 On the ***** calendar day of each calendar month, except for the month of *****
where the interest payment shall be due *****, so long as any Pre-Purchased Miles remain outstanding, *****. Unless otherwise agreed, *****. For purposes of this Agreement, “Adjustable Rate”
for Miles purchased up to ***** shall mean the *****. For purposes of this Agreement, “Adjustable Rate” for miles purchased above ***** shall mean the *****. “Interest Period” shall mean for any calendar month
during the Initial Term, *****. The monthly calculation will be as follows: *****. 
  

	5A.3	Subsequent Monthly Purchases. 

 5A.3.1 Commencing in the first full calendar month following the month in
which the Transaction Effective Date occurs and thereafter for each calendar month through *****, provided that in each such month the Conditions Precedent are satisfied, Barclays shall purchase 

  

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

  
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additional Pre-Purchased Miles in an amount *****. Each Subsequent Purchase shall occur no later than the ***** of the month following the month in which
the Conditions Precedent are measured or ***** after the receipt of the Officer Certificates due pursuant to Section 13(b) (each a “Subsequent Purchase Date”); provided that Subsequent Purchases that occur in ***** shall occur on
the later of ***** or ***** after receipt of the Officer Certificates due pursuant to Section 13(b). 
 5A.3.2 No Subsequent Purchase shall be made pursuant
to Section 5A.3.1 with respect to any month in which the Facility is increased pursuant to Section 5A.1.1, 5A.1.2 or 5A.1.3. 
 5A.3.3 Prior to ***** (the
“Repurchase Commencement Date”), in each month in which the Conditions Precedent are not satisfied, the Facility will be reduced by ***** of the Facility as measured in the ***** in which the Conditions Precedent were not satisfied
(the “Reduction”). For avoidance of doubt, it is the intent that the size of the Reduction shall be fixed on the first measuring date and shall not be recalculated monthly. 

5A.3.4 In the event the Facility is reduced pursuant to Section 5A.3.3 because of a failure of any Condition Precedent to be satisfied, and all Conditions
Precedent are subsequently satisfied for three (3) consecutive months and it is prior to the Repurchase Commencement Date, then, subject to Section 5A.3.7, the Facility shall be *****.1,1, 5A.1.2 or 5A.1.3. Until and unless the Facility is
returned to the level prescribed in this Section 5A.3.4, no increases will be made to the Target Size of the Facility under Section 5A.1.1, 5A.1.2 or 5A.1.3. 

5A.3.5 Commencing on the Repurchase Commencement Date, the Facility will be reduced by ***** of the Facility as measured on the Repurchase Commencement Date
each month until such time as no Pre-Purchased Miles remain outstanding (the “Buy Down Reduction”). Any reduction in the Facility will be offset against Revenue Share otherwise payable to
Frontier, at the value of ***** per reduced Pre-Purchased Mile. However, in the event that the Revenue Share earned during a calendar month hereunder is less than the Reduction or Buy Down Reduction, as
applicable, then Frontier shall for each such month pay Barclays the *****. 
 5A.3.6 As used herein, “Unused
Pre-Purchased Miles” shall mean the outstanding dollar amount of the Pre-Purchased Miles held by Barclays on any given measurement date. 

5A3.7 The parties acknowledge and agree that in the event the Facility is in the process of being reduced to its currently effective Target Size pursuant to
Sections 5A.1.1, 5A.1.2 or 5A.1.3, the Reduction contemplated by this Section 5A.3 shall control and take precedence over the reductions contemplated by any of Sections 5A.1.1, 5A.1.2 or 5A.1.3, and the Facility shall be reduced monthly solely by
the Reduction; provided, that, in the event that in any month a Reduction payment is no longer required under this Section 5A.3 because the Conditions Precedent have been met for the period of time required hereunder and the Facility has not yet
been reduced to the currently effective Target Size, then the reduction payments contemplated by Sections 5A.1.1, 5A.1.2 or 5A.1.3 shall be made until the currently effective Target Size is reached, such reduction payments to be amortized over the
remaining months prior to the next Annual Reset Date or Semi-Annual Reset Date, as applicable. 

  

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

  
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 5A.4 Conditions Precedent. Barclays’ obligation to make any purchase of Pre-Purchased Miles pursuant to this Section 5A will only arise upon and is subject to the satisfaction or waiver of the following conditions (the “Conditions Precedent”) each month prior to the month in
which any such purchase of additional Pre-Purchased Miles is to be made: 
 (i) Frontier shall
maintain Unrestricted Cash at the levels described in the matrix set forth below (measured at the end of each month), provided that if Frontier fails to meet the Unrestricted Cash level in any applicable month, Frontier must then also meet the
EBITDAR coverage ratio level set forth below. Failure to meet both tests shall be deemed a failure to meet the Conditions Precedent. Further provided that if Frontier fails to maintain the applicable Unrestricted Cash threshold in successive months,
the EBITDAR test shall not apply in the second month and the failure to maintain the Unrestricted Cash shall be deemed a failure of the Conditions Precedent regardless of the level of EBITDAR: 

 

															
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	 	*****	 	*****	 	*****	 	*****	 	*****	 	*****	 	*****
	 *****
	 	*****	 	*****	 	*****	 	*****	 	*****	 	*****	 	*****
	 *****
	 	*****	 	*****	 	*****	 	*****	 	*****	 	*****	 	*****
	 *****
	 	*****	 	*****	 	*****	 	*****	 	*****	 	*****	 	*****
	 *****
	 	*****	 	*****	 	*****	 	*****	 	*****	 	*****	 	*****

 If Unrestricted Cash falls below the agreed upon level set forth in the foregoing matrix, then the EBITDAR,
defined as earnings before interest, taxes, depreciation, amortization and rent (excluding any non-cash, non-operating expense) measured on *****. An example of the
EBITDAR coverage ratio calculation, is set forth on Schedule 3. 
 As used herein, the term “Unrestricted Cash” means the
sum of cash, cash equivalents, short-term investments and available for sale securities (in each case unrestricted) maintained by Frontier as depicted on its balance sheet; the term “Principal Interest & Rent”
means amounts due in respect of borrowed money or leases of assets; and all other terms are defined as they are under generally accepted accounting principles (“GAAP”). 

(ii) No Suspension Event has occurred in and is continuing as of the last day of the month being measured, as determined following expiration
of applicable cure, grace or dispute periods. 
 (iii) Frontier shall not be in default of any indebtedness for borrowed money in excess of
***** (in the aggregate), which default is continuing as of the last day of the month being measured, as determined following expiration of applicable cure, grace or dispute periods. 

  

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

  
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 (iv) No Business Combination (as defined in Section 26) to which Frontier is a party, or to
which it is subject as a direct or indirect subsidiary, or any other merger to which Frontier is a party, has been approved by the board of directors and/or shareholders of Frontier, Frontier’s ultimate parent or any of their respective
subsidiaries; provided that this Section 5A.4(iv) shall not constitute a Condition Precedent if (x) the Business Combination does not result in the failure of a Condition Precedent per Section 5A.4(i), (ii), (iii) or (v), (y) this Agreement
remains in full force and effect and binding on Frontier or an applicable surviving entity following the closing of the Business Combination and (z) Frontier or an applicable surviving entity is in compliance in all material respects with all
of the terms and conditions of this Agreement upon the closing of the Business Combination (including, without limitation, having caused the subordination of all unsecured loan facilities or equity investments pursuant to Section 30 of this
Agreement). 
 (v) Frontier shall have complied with the reporting requirements set forth in Section 13(b) for the month being measured. 

5A.5 Prepayment. Frontier may repurchase all or any portion of the Pre-Purchased Miles at any time, or from
time to time, without penalty or premium, for a purchase price of ***** per Pre- Purchased Mile. Frontier shall repurchase all Unused Pre-Purchased Miles, if any, that
are outstanding on the date of termination of this Agreement, whether termination is at the end of the Initial Term or upon an event causing an earlier termination, for a Purchase Price of ***** per
Pre-Purchased Mile, which Purchase Price shall be payable on the date of termination. Any prepayment shall include accrued interest, if any, in accordance with Section 5A.2.2. 

5A.6 Acceptance of Payment with Pre-Purchase Miles. Frontier agrees to accept payment in Pre-Purchased Miles as provided in this Section 5A in lieu of cash and irrevocably waives any rights to receive Cash or other consideration for such payments regardless of the then value of a Pre-Purchased Mile. 
 5A.7 Other Uses of Pre-Purchased Miles. Barclays may
use Pre-Purchased Miles for purposes other than as set forth in this Section 5A subject to Frontier’s approval of such other uses, which approval shall not be unreasonably withheld or delayed. If Frontier
has not satisfied the Conditions Precedent under Section 5A.4 above, Frontier’s approval of other uses is not required. Frontier shall provide commercially reasonable methods to redeem these Pre-
Purchased Miles (e.g., mileage certificates or assignment to frequent flyer accounts) to facilitate the use of the Pre-Purchased Miles by Barclays and/or the recipient of such
Pre-Purchased Miles. This obligation shall survive termination of this Agreement. If Barclays uses Pre-Purchased Miles pursuant to this Section 5A.7 Barclays shall
provide monthly reports detailing the use of such Pre-Purchased Miles. The Pre-Purchased Miles Barclays uses under this Section 5A.7 during any month will be deducted
from the Facility and included in calculating Unused Pre- Purchased Miles. 

  

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

  
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 5A.8 Transportation Tax. Frontier’s obligation to fund the Transportation Tax, as set forth in
Section 5(b) of this Agreement, shall not occur with respect to Pre-Purchased Miles unless and until Barclays awards such Pre-Purchased Miles to cardholders and/or
others such that the recipient may use such Pre-Purchased Miles for redemption for air travel.” 

3. Effective as of the Transaction Effective Date, the definition of “Suspension Event” set forth in Sections 6(b)(i) through
(vi) is deleted and the following inserted in its place: 
 “(i) Frontier fails to maintain a frequent flyer program that is as
competitive on a relative basis in the Benchmark Market as the EarlyReturns Program is as of ***** based on domestic award levels and domestic mileage earning capability, provided that Barclays provides notice of the failure to maintain the frequent
flyer program, including notice in reasonable detail and with backup information for why and how Barclays believes the frequent flyer program is not adequately competitive. Such notice will commence a ***** period during which Frontier may cure the
deficiency, during which period no Redaction in the size of the Facility shall occur under Section 5A.3 as a result of the occurrence of this Suspension Event; 

(ii) Frontier becomes subject to voluntary or involuntary bankruptcy, insolvency, receivership, conservatorship or like proceedings, and for
which Barclays does not terminate pursuant to Section 15(d); 
 (iii) Frontier fails to maintain the marketing channels set forth in Exhibit
F; 
 (iv) The average Passenger Enplanements (“PE”) for the ***** for which Frontier has reported data declines more than
***** from (i) the average PE in the comparable three months set forth on the attached Schedule 2 for the period through ***** or (ii) the forecasted PE in ***** as shown on Schedule 2 for the calendar years *****. Passenger Enplanements
will include passengers flown on Frontier flights operated by carriers operating flights for Frontier under a codeshare, capacity purchase agreement, or similar type agreements; 

(v) The average number of Active Frequent Flyers for the ***** for which Frontier has reported data declines more than ***** from (i) the
number of Active Frequent Flyers set forth on the attached Schedule 2 for the period through ***** or (ii) the forecasted Active Frequent Flyers in ***** as shown on Schedule 2 for the calendar years *****. Active Frequent Flyers shall mean a
Frontier Member that has flown on a Frontier flight or has opened a new frequent flyer account or earned miles in their frequent flyer account within the *****. 

For purposes of this Agreement, “Benchmark Market” shall mean the then current market place for airlines, excluding United,
Delta, American and US Airways.” 
 4. Reports. Effective as of the Transaction Effective Date, Section 13(b) of the Agreement
is deleted and the following new Section 13(b) is inserted in its place: 
 “(b) Frontier shall make available to Barclays the
following reports: (i) annual audited financial statements within ***** after the end of each fiscal year and unaudited 

  

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

  
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quarterly financial statements within ***** after the end of each fiscal quarter, (ii) annual financial plans and monthly projections for the following year as soon as practicable after
preparation thereof in the ordinary course of business but in no event later than ***** of each year; (iii) monthly income statements and balance sheet results within ***** following the close of each month; (iv) within ***** after the end
of each month, a monthly certification from Frontier that the Conditions Precedent were met as of the end of the then ended month and to include a statement of the month end Unrestricted Cash position and rolling ***** for the then ended month; and
(v) monthly certification of compliance with Section 6(b) including reporting of Active Frequent Flyers and Passenger Enplanements as well as the baseline Active Frequent Flyers and baseline Passenger Enplanements within ***** following the end
of each month. In addition, Frontier agrees to make available an appropriate person for monthly or quarterly calls, as determined by Barclays, with Barclays Chief Financial Officer and/or Chief Risk Officer; provided that each month or quarter
Barclays desires to have such a call, it will provide Frontier with prior notice.” 
 5. Post-Termination Solicitation of Frontier
Members. Effective as of the Transaction Effective Date, the following is added to the Agreement as new Section 15A(vii): 
 “(vii)
Post-Termination Solicitation of Frontier Members. Notwithstanding anything contained in Sections 4, 15, 15A, and 16, and for the avoidance of doubt, upon termination of this Agreement, and in the event that Frontier was eligible to exercise its
Purchase Option pursuant to Section 15A(ii) but declines to do so, nothing contained in this Agreement shall prevent Frontier from soliciting Frontier Members through the use of Frontier Member Data to enroll in a subsequently created co-branded credit card program between Frontier and other parties, including but not limited to competitors of Barclays. Notwithstanding the foregoing, neither Frontier nor any entity which Frontier controls shall
by itself or in conjunction with others, directly or indirectly, use the fact that a person is a Barclays Cardholder to specifically target any offer of a credit card or credit card related product to any Barclays Cardholder, provided that nothing
herein shall be construed to prevent Frontier from offering a credit card or credit card related product if the offer did not include Barclays Cardholder membership as a criteria in selecting the recipients of the offer.” 

6. Business Combination. Effective as of the Transaction Effective Date, the following is added to the Agreement as new
Section 26, to follow Section 25: 
 “26. Business Combination. In the event Frontier engages in, or is subject to, a
Business Combination (as defined below) with an Other Carrier (as defined below), the following provisions shall apply: 
 (a) If Frontier
is the surviving airline and the Other Carrier does not have a contractual relationship with a co-brand credit card issuer, Barclays shall remain the sole issuer of the
co-branded credit card for the Affinity Program for the combined airlines through the Initial Term. 

  

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

  
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 (b) If Frontier is the surviving airline and the Other Carrier is a party to an agreement with
any Person other than Barclays pursuant to which such Other Carrier endorses, sponsors, promotes or otherwise offers a credit card product associated with its frequent flyer program (a “Competing Agreement”), Frontier will use its
commercially reasonable efforts to make Barclays the exclusive issuer of the co-branded credit card associated with the combined frequent flyer program of Frontier and the Other Carrier and to provide Barclays
the right to purchase the credit card portfolio of the issuer (the “Other Issuer”) of the co-branded credit card associated with the Other Carrier’s frequent flyer program. If Barclays
becomes the exclusive issuer, Barclays agrees that it will provide the combined airline with a co-branded credit card product of equal or greater value to Frontier and the Frontier Members than the Other
Issuer’s affinity card based on an overall assessment of the two programs, including, without limitation, the assessment of all compensation, cost of customization and the value proposition. In the event the Other Issuer’s credit card
portfolio cannot be purchased by Barclays, Barclays agrees that it will waive its exclusivity to Frontier Marks and miles currency under the EarlyReturns Program to enable the Other Issuer to service its credit card portfolio existing on the date of
the Business Combination through the existing term of the Other Issuer’s co-brand agreement (subject to an agreement not to disparage or tarnish Barclays and/or the Affinity Program, appropriate
provisions to avoid customer confusion and/or any such terms and conditions that may be required by law or for regulatory purposes), 
 (c)
If Frontier is not the surviving airline and the Other Carrier does not have a Competing Agreement or there is a Competing Agreement but it does not survive the Business Combination, then Frontier will assign its rights and obligations under this
Agreement to the Other Carrier, subject to appropriate adjustments to this Agreement as referenced in Section 26(e) (such adjustments to be agreed upon by the parties, such agreement not to be unreasonably withheld or delayed). 

(d) If Frontier is not the surviving airline and the Other Carrier has a Competing Agreement, then Frontier will use commercially reasonable
efforts to make Barclays the exclusive issuer of the co-branded credit card associated with the combined frequent flyer program of Frontier and the Other Carrier. If Barclays does not become the exclusive
issuer, Barclays shall be permitted to continue servicing the Frontier portfolio under this Agreement through the Initial Term. In such circumstance, Barclays will *****. 

(e) If a Business Combination to which this Section 26 applies will result in a significantly larger combined airline with Barclays as
the exclusive credit card issuer, Barclays agrees that it will evaluate in good faith appropriate adjustments to increase the Target size of the Facility and the Acquisition Budget 

(f) If, in connection with a Business Combination to which this Section 26 applies. Barclays becomes a
co-issuer of a co-branded card for the combined airlines with an Other Issuer, and if the Barclays co-branded credit card program
becomes uncompetitive with that of the Other Issuer in terms of the consumer value proposition, Frontier shall give written notice to Barclays setting forth in reasonable detail its views as to why the Barclays program is uncompetitive in the
Benchmark Market. Barclays shall thereafter have a period of ***** to cure the uncompetitive aspect of its program. If the uncompetitive feature of Barclays program 

  

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

  
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is not so cured within such cure period, Frontier will have the right to cease marketing the Barclays program and to market the Other Issuer’s program to the Frontier membership; provided
that information about whether the Frontier Member is a Barclays cardholder under the EarlyReturns Program is not used for targeting the Barclays’ cardholder base. 

(g) This Section 26 shall only apply to a Business Combination involving Frontier and an Other Carrier that contemplates
(i) ultimately merging Frontier and the Other Carrier onto a single operating certificate for regulatory purposes and (ii) the merging of the combined airlines into a single brand. Section 26 shall not apply to a change in control,
initial public offering or other business combination, even with another airline, that contemplates the continued operation of Frontier as a separate carrier. For the avoidance of doubt, if the brands of the separate carriers are not merged,
Barclays will remain the exclusive issuer for the Frontier co-branded credit card program. 
 (h) As
used in this Section 26: 
 “Business Combination” means any business combination transaction between
Frontier, Frontier’s ultimate parent or any of their respective subsidiaries and an Other Carrier, whether by merger or consolidation, by acquisition of a majority of equity securities pursuant to a tender offer, exchange offer or purchase, or
by acquisition of a majority of assets pursuant to a sale, conveyance or other transfer of assets, 
 “Other
Carrier” means any air carrier (other than a subsidiary of Frontier), its parent, or any of their respective subsidiaries.” 

7. The parties acknowledge and agree that Frontier Airlines Holdings, Inc., Frontier and Barclays shall enter into a subordination agreement
in the form attached hereto as Exhibit A to this Amendment on the Transaction Effective Date. 
 8. Additional Marketing Efforts.
Effective as of the Transaction Effective Date, the following language is added to Exhibit F to the Agreement: 
 “On or before
*****, Frontier, at its cost, shall undertake the following marketing efforts: 
 ***** 

On or before *****, Frontier, at its cost, will implement the below cardholder exclusives. The new benefits will remain relative in value to
competitive benefits in the ultra-low cost carrier market: 
  

	 	•	 	One annual Companion Certificate redeemable for ***** (plus taxes and fees) for use on any flight purchase of ***** or greater. Certificate to be delivered by Barclays via email to all new and current annual fee paying
customers. 

  

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

  
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	 	•	 	Reduced Award Redemption Fees for all cardholders based on days until redemption flight date. 

***** 
 9.
Anti-Bribery and Corruption. Effective as of the Transaction Effective Date, the following is added to the Agreement as new Section 27, to follow new Section 26: 

 

	“27.	Anti-Bribery and Corruption. 

  

	 	(a)	Definitions: 

 “Applicable Anti-Bribery Law” means any bribery, fraud,
kickback, or other similar anti- corruption law or regulation to which Frontier or its Associated Person, as applicable, is subject in performing its responsibilities hereunder. Where relevant this may include the UK Bribery Act 2010
(“Bribery Act”) and the US Foreign Corrupt Practices Act 1977 (“FCPA”). 
 “Associated
Person” means in relation to any entity, a person who performs any services for or on behalf of that entity in any capacity and including, without limitation, employees, agents, subsidiaries, representatives and subcontractors. 

“Public Official” means; 

(i) any officer, employee or representative of a government, whether national, federal or local; 

(ii) any individual exercising a legislative, administrative or judicial function, whether appointed or elected; 

(iii) any officer, employee or representative of any Government Entity, including but not limited to central banks, sovereign
wealth funds, state-run hospitals and any business venture that is owned or controlled by a Government Entity; 

(iv) any candidate for or holder of public office; 

(v) any political party or official of a political party; 

(vi) any officer, employee or representative of a public international organization; and 

(vii) any member of a royal family. 

“Government Entity” means; 

(i) Any national, federal, state, province, local and / or municipal government department, agency, office and / or
instrumentality; 
 (ii) Any company or organization where a government has 50 percent or more ownership interest; 

  

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

  
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 (iii) Any company or organization where a government controls a majority of votes
attaching to the shares; 
 (iv) Companies and organizations that are controlled by a government. For example, the term
“Government Entity” will generally include companies and organizations that: 
  

	 	•	 	have constituting statutes that establish that they are instrumentalities, agents or mandataries of a government; perform functions or services that are
public-in-nature (i.e., for the benefit of the general public or a large sector of the population); 

 

	 	•	 	are financially dependent on the government (i.e., the government is responsible for losses or funding of operations); 

  

	 	•	 	do not operate on a normal commercial basis (e.g., because they are given special powers by legislation); 

  

	 	•	 	have boards of directors or management committees where the government nominates a majority of directors or officers. 

  

	 	(b)	Anti-Bribery - Undertakings, Representations and Warranties 

 (i) Frontier
understands that Barclays is committed to complying with all anti-bribery laws and regulations to which Barclays is subject, including the Bribery Act and the FCPA. Frontier represents and warrants that neither it nor any of its Associated Persons
have taken or will take any action that might cause Barclays to violate either the Bribery Act or the FCPA, namely: that neither it nor any of its Associated Persons will, in violation of Any Applicable Anti-Bribery Law, authorize, offer, give or
agree to offer or give, directly or indirectly, any payment, gift or other advantage with respect to any activities undertaken relating to this Agreement which; 
  

	 	•	 	is intended to, or does, influence any person to act or reward any person for acting in breach of an expectation of good faith, impartiality or trust, or which it would otherwise be improper for the recipient to accept;
or 

  

	 	•	 	is made to or for the benefit of a Public Official, or to any person while knowing or being aware of a high probability that all or a portion of the payment, gift or other advantage will be offered or given to a Public
Official, with the intention of influencing any act or decision of the Public Official in his/its official capacity, inducing such Public Official to use his/its influence to affect any act or decision of a government entity, or securing an improper
advantage; or 

  

	 	•	 	would otherwise violate Applicable Anti-Bribery Law. 

 (ii) Frontier has
implemented and must at all times maintain adequate procedures designed to comply with its obligations under Section 27 (b) (i) above. 

(iii) Breach of any of the provisions in Section 27(b)(i) in a material breach of this Agreement pursuant to Section 15(b) of
this Agreement. Notwithstanding anything contained in Section 15(b), and without remedy to any other right, relief or remedy, Barclays may terminate this Agreement immediately upon such a breach.” 

  
 - 12 - 

 10. Competitive Programs. Effective as of the Transaction Effective Date, the following is
added to the Agreement as new Section 28, to follow new Section 27: 
  

	“28.	Competitive Programs. 

 (a) At least once per calendar year, Barclays and Frontier shall
consider (to the extent such terms and conditions are publicly known or otherwise known and not subject to any confidentiality obligations on the part of either Party) features, terms, conditions and other aspects of other co-branded credit card programs in the Benchmark Market in order to identify marketplace developments for possible inclusion in the Affinity Program to ensure that the Affinity Program remains competitive. If
Barclays or Frontier determines that a change to the Affinity Program may be required, either Barclays or Frontier, depending upon which party shall provide the benefit, shall develop a plan with respect to implementation of such change, including
the impact the proposed change would have, if any, on the Affinity Program economics, shall present such plan to the other party for its review, and, if both Barclays and Frontier agree that the proposed change should be implemented, the party that
developed the plan shall employ commercially reasonable efforts to implement the proposed change.” 
 11. Ownership of Credit Card
Accounts and Cardholder Data. Effective as of the Transaction Effective Date, the following is added to the Agreement as new Section 29, to follow new Section 28: 

 

	“29.	Ownership of Credit Card Accounts and Cardholder Data. 

 (a) Ownership
and all sharing, use and disclosure of Cardholder Data and Frontier Member Data under this Agreement shall, to the extent permitted under applicable law, be subject to the provisions of this Section 29. The Parties acknowledge that the same or
similar information may be contained in the Cardholder Data, the Frontier Member Data, and other data and that each pool of data shall therefore be considered separate information, subject to the specific provisions applicable to that data
hereunder. 
 (b) Barclays shall be the owner of all Cardholder Data and the Accounts related thereto and Frontier shall not
be considered a creditor on any of such accounts for any purpose whatsoever. 
 (c) Barclays acknowledges that Frontier is
the exclusive owner of all Frontier Member Data and that subject to the other terms in this Agreement, Frontier and its affiliates have lights to use and disclose such information independent of whether such information also constitutes Cardholder
Data. 
 (d) For the avoidance of doubt, the Parties agree that Barclays’ ownership interests described in Sections
29(a) through (c) above shall apply during and after the Term unless the Cardholder Data is transferred to Frontier or its designee pursuant to this Agreement 

  
 - 13 - 

 (e) As used in this Section 29 and this Amendment; 

“Cardholder Data” means all personally identifiable information about a cardholder (a) received by or on behalf of
Barclays in connection with the cardholder’s application for use of a credit card Account in connection with the Affinity Program; (b) otherwise obtained by or on behalf of Barclays for inclusion in its database of cardholder information,
including all transaction and experience information collected by or on behalf of Barclays with regard to each purchase charged by a cardholder using a credit card issued pursuant to the Affinity Program. 

“Frontier Member Data” means all personally identifiable information regarding Frontier Members that is obtained by or on
behalf of Frontier or any of its Affiliates at any time (including prior to the Transaction Effective Date.” 
 12. Subordination.
Effective as of the Transaction Effective Date, the following is added to the Agreement as new Section 30, to follow new Section 29: 

“30. Subordination. Frontier hereby acknowledges and agrees that any unsecured loan facility or equity investment obtained by
Frontier shall be subordinated to repayment to Barclays of the Facility. Prior to Frontier entering into any such financing or equity investment, Barclays, Frontier and such lender or investor shall enter into a subordination agreement on terms
agreed to by Barclays, such agreement not to be unreasonably withheld or delayed. This Section 30 and any such subordination agreement shall terminate upon (a) the payment in full of all obligations of Frontier under this Agreement to make
payments to Barclays from time to time with respect to the principal, interest or other payment obligations under the Facility, including, without limitation, obligations to reduce the Facility in accordance with this Agreement, and (b) the
expiration or termination of all commitments and all other obligations of Barclays to fund the Facility, with neither Frontier nor any other Person having the right to cause the purchase of Pre-Purchased Miles
under this Agreement.” 
 13. Effective as of the Transaction Effective Date, a Schedule 3 is added to the Agreement in the form set
forth in Exhibit B to this Ninth Amendment. 
 14. Effective as of the Transaction Effective Date, Schedule 2 to the Agreement (added by the
Eighth Amendment to this Agreement) is deleted and replaced by the Schedule 2 set forth in Exhibit C to this Ninth Amendment. 
 15.
Effective as of the Transaction Effective Date, Exhibit F to the Agreement (added by the Eighth Amendment to this Agreement) is deleted and replaced by the Exhibit F set forth in Exhibit D to this Ninth Amendment. 

  
 - 14 - 

 16. The closing for this Amendment (the “Amendment Closing”) shall take place no
later than two Business Days after the satisfaction or waiver of the conditions precedent to the Amendment Closing set forth below in clauses (a) and (b): 

(a) Barclays’ obligation to close the Amendment transaction shall be subject to the satisfaction or waiver of the
following: 
 (i) Receipt of evidence of the Transaction Closing; 

(ii) Receipt of each of the following agreements duly executed by the other parties thereto: (1) this Amendment,
(2) the Mutual Release and Removal of Parties from Frontier Airlines Inc. Credit Card Affinity Agreement (the “Release”) among Barclays, Frontier, YX Properties, LLC, Midwest Airlines, Inc. and Republic, and (3) the Subordination
Agreement; and 
 (iii) A certification from Frontier that as of the Amendment closing, all of the Conditions Precedent set
forth in Section 5A.4 have been met. 
 (b) Frontier’s obligation to close the Amendment transaction shall be subject to
the satisfaction or waiver of the following: 
 (i) Receipt of each of the following agreements duly executed by each of the
parties thereto: (1) this Amendment and (2) the Release. 
 (c) Upon the Amendment Closing, after the satisfaction
or waiver of the conditions precedent described above, Barclays shall deliver to Frontier by wire transfer to an account designated by Frontier, an amount equal to the difference between ***** and the value (valued at ***** per Pre-Purchased Mile) of the number of Pre- Purchased Miles previously purchased by Barclays pursuant to the Agreement which are unused and outstanding on the Transaction
Effective Date. Frontier shall provide Barclays with its wiring instructions not less than ***** prior to the Amendment Closing. 
 17.
Survival. Except as expressly modified by the terms of this Amendment, all of the terms and conditions of the Agreement remain in full force and effect and are hereby ratified and confirmed by the parties, 

18. Governing Law. This Amendment shall be governed by, and construed and enforced in accordance with the domestic laws of the State of
Delaware without giving effect to any choice of law or conflict of law, provision or rule (whether of the State of Delaware or any other jurisdiction) that would cause the application of the laws of any jurisdiction other than the State of Delaware,

 19. Amendment Termination Event. If the Transaction Closing shall not have occurred on or before the Termination Date, this
Amendment shall be of no further force and effect and shall be null and void ab initio. As used herein, “Termination Date” means January 31, 2014 or such later date as may be agreed upon in writing by each of the parties
to this Amendment. 

  

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

  
 - 15 - 

 20. Counterparts; Electronic Execution. This Amendment may be executed in one or more
counterparts, each of which shall be deemed an original, but all of which shall together constitute one and the same instrument, This instrument may be executed and delivered by electronic transmission, including by facsimile or pdf. 

[Signature pages follow] 

  
 - 16 - 

 IN WITNESS WHEREOF, the undersigned have executed this Amendment as of the day
and year first above written, 
  

			
	BARCLAYS BANK DELAWARE
		
	By:	 	 /s/ [Authorized Signatory]

		 	Name: [Authorized Signatory]
		 	Title: [Authorized Signatory]
	
	FRONTIER AIRLINES, INC.
		
	By:	 	 /s/ David N. Siegel

		 	Name: David N. Siegel
		 	Title: President & CEO

 Exhibit A to Ninth Amendment 

Form of Subordination Agreement 

 SUBORDINATION AGREEMENT 

THIS SUBORDINATION AGREEMENT (this “Agreement”) is entered into as of this
[ 🌑 ], 2013, by and among Barclays Bank Delaware (“Barclays”), Frontier Airlines, Inc. (the “Company”), and Frontier Airlines Holdings, Inc. (the “Subordinated
Investor”). 
 R E C I T A L S 

A. Barclays and the Company have entered into a Credit Card Affinity Agreement dated March 12, 2003, which Agreement has been
supplemented by a letter agreement dated April 1, 2003 and amended by eight amendments thereto, and as further amended by the Ninth Amendment thereto (the “Ninth Amendment”) dated as of November
        , 2013, and effective as of the date hereof (as so supplemented and amended, the “Affinity Agreement”) pursuant to which, among other things, Barclays has agreed, subject to the terms and
conditions set forth in the Affinity Agreement, to make certain financial accommodations to the Company pursuant to the Facility (as defined in the Affinity Agreement). 

B. The Subordinated Investor intends to make an Investment in the Company in connection with the Transaction Closing (as defined in the
Affinity Agreement), and may agree to make further Investments in the Company in the future during the term of the Facility. 
 C. As
an inducement to and as one of the conditions precedent to the agreement of Barclays to consummate the transactions contemplated by the Ninth Amendment, Barclays has required the execution and delivery of this Agreement by the Subordinated Investor,
the Company and Barclays in order to set forth the relative rights and priorities of Barclays and the Subordinated Investor under the Senior Obligation Documents and the Subordinated Obligation Documents (as hereinafter defined). 

NOW, THEREFORE, in order to induce Barclays to consummate the transactions contemplated by the Ninth Amendment, and for other good and
valuable consideration, the receipt and sufficiency of which hereby are acknowledged, the parties hereto hereby agree as follows: 

1. Definitions. Capitalized terms used herein and not otherwise herein defined are used as defined in the Affinity
Agreement. The following terms shall have the following meanings in this Agreement: 
 “Bankruptcy
Code” means Chapter 11 of Title 11 of the United States Code, as amended from time to time and any successor statute and all rules and regulations promulgated thereunder, 

“Default” means either (i) the Company has failed to satisfy one or more of the Conditions
Precedent in the Affinity Agreement or (ii) a Suspension Event has occurred. 
 “Distribution”
means, with respect to any Investment or other obligations under the Subordinated Obligation Documents (if any), (a) any payment or distribution by the Company of cash, securities or other property, by set-off
or otherwise, on account of such Investment or obligation or (b) any redemption, purchase or other acquisition of such Investment or obligation by the Company. 

 “Enforcement Action” means (a) to take from or for
the account of the Company, by set-off or in any other manner, the whole or any part of any moneys which may now or hereafter be owing by the Company with respect to the Subordinated Obligations, (b) to
sue for payment of, or to initiate or participate with others in any suit, action or proceeding against the Company to (i) enforce payment of or to collect the whole or any part of the Subordinated Obligations or (ii) commence judicial
enforcement of any of the rights and remedies under the Subordinated Obligation Documents or applicable law with respect to the Subordinated Obligations, or (c) to accelerate the Subordinated Obligations. 

“Initial Investment” means any investment in the Company held by the Subordinated Investor at the time
of the Transaction Closing, whether in the form of equity, or securities of any nature or loans or otherwise. 

“Investment” means the Initial Investment and the Subsequent Investments. 

“Paid in Full” and “Payment in Full” means, with respect to the Senior
Obligations, that: (a) all of the Senior Obligations have been paid in full as provided under the Affinity Agreement and (b) all commitments and all other obligations of Barclays to fund the Facility under any Senior Obligations Document
have expired or been terminated, and neither the Company nor any other Person shall have any right to cause the purchase of Pre-Purchased Miles under any Senior Obligations Document. 

“Person” means any natural person, corporation, general or limited partnership, limited liability
company, firm, trust, association, government, governmental agency or other entity, whether acting in an individual, fiduciary or other capacity. 

“Proceeding” means any voluntary or involuntary insolvency, bankruptcy, receivership, custodianship,
liquidation, dissolution, reorganization, assignment for the benefit of creditors, appointment of a custodian, receiver, trustee or other officer with similar powers or any other proceeding for the liquidation, dissolution or other winding up of a
Person. 
 “Senior Obligations” means all obligations of the Company to make
payments to Barclays from time to time with respect to the principal, interest or other payment obligations under the Facility under the Senior Obligation Documents, including, without limitation, obligations to reduce the Facility in accordance
with the Affinity Agreement, whether before or after the filing of a Proceeding under the Bankruptcy Code together with any amendments, modifications, renewals or extensions thereof to the extent not prohibited by the terms of this Agreement. Senior
Obligations shall be considered to be outstanding whenever Barclays has any commitment under the Affinity Agreement to fund the Facility. 

“Senior Obligation Documents” means the Affinity Agreement and all other agreements, documents and
instruments executed from time to time in connection therewith, as the same may be amended, supplemented or otherwise modified from time to time. 

  
 2 

 “Subordinated Obligations” means all Investments and
other obligations, liabilities and indebtedness of every nature of the Company from time to time owed to the Subordinated Investor or any of its Affiliates in respect of any Investment 

“Subordinated Obligation Documents” means any and all documents, agreements and instruments now
existing or hereinafter entered into evidencing or pertaining to all or any portion of any the Subordinated Obligations. 

“Subsequent Investment” means any additional investment, other than the Initial Investment, in the
Company made following the Transaction Closing by the Subordinated Investor or any Affiliate thereof, whether in the form of capital contributions, purchases of additional securities of any nature, loans or otherwise. 

 

	 	2.	Subordination. 

 2.1 Subordination of the
Subordinated Obligations to Senior Obligations. The Company covenants and agrees, and the Subordinated Investor likewise covenants and agrees, notwithstanding anything to the contrary contained in any of the Subordinated Obligation
Documents, that the payment of any and all of the Subordinated Obligations shall be subordinate and subject in right and time of payment, to the extent and in the manner hereinafter set forth, to the prior Payment in Full of all Senior Obligations.

 2.2 Liquidation, Dissolution, Bankruptcy. 

In the event of any Proceeding involving the Company, unless and until such Proceeding is dismissed or otherwise terminated: 

(a) All Senior Obligations shall first be indefeasibly Paid in Full in accordance with the terms of the Affinity Agreement and
all commitments to fund the Facility under the Senior Obligation Documents shall be terminated before any Distribution, whether in cash, securities or other property, and shall be made to the Subordinated Investor on account of any Subordinated
Obligations. 
 (b) Any Distribution, whether in cash, securities or other property which would otherwise, but for the terms
hereof, be payable or deliverable in respect of the Subordinated Obligations shall be paid or delivered directly to Barclays (to be held and/or applied by Barclays in accordance with the terms of the Senior Obligation Documents) until all Senior
Obligations are Paid in Full in accordance with the terms of the Affinity Agreement and all commitments to fund the Facility under the Senior Obligation Documents shall have been terminated. The Subordinated Investor irrevocably authorizes, empowers
and directs any debtor, debtor in possession, receiver, trustee, liquidator, custodian, conservator or other Person having authority, to pay or otherwise deliver all such Distributions to Barclays. The Subordinated Investor also irrevocably
authorizes and empowers Barclays, in the name of the Subordinated Investor, to demand, sue for, collect and receive any and all such Distributions. 

  
 3 

 (c) The Subordinated Investor agrees not to initiate, prosecute or participate in
any claim, action or other proceeding challenging the enforceability, validity, perfection or priority of the Senior Obligations. 

(d) Solely with respect to that portion of an Investment structured as a debt investment (a “Debt Investment”), the
Subordinated Investor hereby authorizes, empowers and appoints Barclays its agent and attorney-in-fact to (i) execute, verify, deliver and file such proofs of claim
with respect to such Debt Investment and (ii) vote such Debt investment claim in any such Proceeding so long as such Debt Investment remains a debt investment; provided Barclays shall have no obligation to execute, verify, deliver and/or
file any such proof of claim or to vote any such claim. In the event that Barclays votes any debt investment claim in accordance with the authority granted hereby, the Subordinated Investor shall not be entitled to change or withdraw such vote.
Notwithstanding the foregoing, in the event that Barclays has not filed a proof of claim with respect to a Debt Investment prior to the date that is ***** prior to the bar date, Subordinated Investor may file such proof of claim; provided, that the
foregoing shall not affect Barclays’ right to vote such Debt Investment claim as provided in clause (ii) of this subsection. 

(e) The Senior Obligations shall continue to be treated as Senior Obligations and the provisions of this Agreement shall
continue to govern the relative rights and priorities of Barclays and the Subordinated Investor even if all or part of the Senior Obligations are subordinated, set aside, avoided, invalidated or disallowed in connection with any such Proceeding, and
this Agreement shall be reinstated if at any time any payment of any of the Senior Obligations is rescinded or must otherwise be returned by any holder of Senior Obligations or any representative of such holder. 

2.3 Subordinated Obligations Payment Restrictions. 

(a) Notwithstanding the terms of the Subordinated Obligation Documents, the Company hereby agrees that it may not make, and the
Subordinated Investor hereby agrees that it will not accept, any Distribution with respect to the Subordinated Obligations until the Senior Obligations are Paid in Full, except as set forth in Section 2.3(b) below. 

(b) Notwithstanding anything in this Agreement to the contrary, the Company shall be permitted to make, and the Subordinated
Investor shall be permitted to accept, Distributions; provided, that (i) no Default has occurred and is continuing and (ii) no Default would occur upon such Distribution. 

  

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

  
 4 

 2.4 Subordinated Obligations Standstill Provisions. Until
the Senior Obligations are indefeasibly Paid in Full in accordance with the terms of the Affinity Agreement and all commitments to fund the Facility under the Senior Obligation Documents shall be terminated, the Subordinated Investor shall not,
without the prior written consent of Barclays, take any Enforcement Action with respect to the Subordinated Obligations. Any Distributions or other proceeds of any Enforcement Action obtained by the Subordinated Investor in violation of the
foregoing shall in any event be held in trust by it for the benefit of Barclays and promptly paid or delivered to Barclays in the form received until all Senior Obligations are Paid in Full in accordance with the terms of the Affinity Agreement and
all commitments to fund the Facility under the Senior Obligation Documents shall have been terminated. 
 2.5
Incorrect Payments. If any Distribution on account of the Subordinated Obligations not permitted to be made by the Company or accepted by the Subordinated Investor under this Agreement is made and received by the Subordinated Investor,
such Distribution shall not be commingled with any of the assets of the Subordinated Investor, shall be held in trust by the Subordinated Investor for Barclays and shall be promptly paid over to Barclays for application (in accordance with the
Senior Obligation Documents) to the payment of the Senior Obligations then remaining unpaid, until all of the Senior Obligations are Paid in Full. 

2.6 Sale, Transfer or other Disposition of the Subordinated Obligations The Subordinated Investor shall
not sell, assign, pledge, dispose of or otherwise transfer all or any portion of the Subordinated Obligations or any Subordinated Obligation Document unless, prior to the consummation of any such action, the transferee thereof shall execute and
deliver to Barclays a joinder to this Agreement. Notwithstanding the failure of any such transferee to execute or deliver a joinder to this Agreement or to execute or deliver an agreement substantially identical to this Agreement, the subordination
effected hereby shall survive any sale, assignment, pledge, disposition or other transfer of all or any portion of the Subordinated Obligations, and the terms of this Agreement shall be automatically binding upon the successors and assigns of the
Subordinated Investor. 
 2.7 Legends. Until the termination of this Agreement in accordance with
Section 14 hereof, the Subordinated Investor will cause to be clearly, conspicuously and prominently inserted on the face of the Subordinated Obligation Documents a legend that refers to this Agreement. 

2.8 Obligations Hereunder Not Affected. All rights and interest of Barclays hereunder, and all agreements
and obligations of the Subordinated Investor and the Company hereunder, shall remain in full force and effect, irrespective of: 

(a) any lack of validity or enforceability of any document evidencing Senior Obligations; 

(b) any change in the time, manner or place of payment of, the amount of, or any other term of, all or any of the Senior
Obligations, or any other amendment or waiver of or any release or consent to departure from any of the Senior Obligation Documents; 

  
 5 

 (c) any failure of Barclays to assert any claim or to enforce any right or remedy
against any other party hereto under the provisions of this Agreement or any other Senior Obligation Document other than this Agreement; 

(d) any reduction, limitation, impairment or termination of the Senior Obligations for any reason (other than the defense of
payment in full of the Senior Obligations), including any claim of waiver, release, surrender, alteration or compromise, and shall not be subject to (and the Company and the Subordinated Investor hereby waive any right to or claim of) any defense
(other than the defense of payment in full of the Senior Obligations) or setoff, counterclaim, recoupment or termination whatsoever by reason of invalidity, illegality, nongenuineness, irregularity, compromise, unenforceability of, or any other
event or occurrence affecting, any Senior Obligations; and 
 (e) any other circumstance which might otherwise constitute a
defense (other than the defense of payment in full of the Senior Obligations) available to, or a discharge of, the Company in respect of the Senior Obligations or the Subordinated Investor in respect of this Agreement. 

The Subordinated Investor acknowledges and agrees that Barclays may, solely to the extent permitted by the terms of the Affinity Agreement, without notice or
demand to the Subordinated Investor and without affecting or impairing the Subordinated Investor’s obligations hereunder from time to time (i) renew, compromise, extend, increase, accelerate or otherwise change the time for payment of or
otherwise change the terms of the Senior Obligations or any part thereof; including, without limitation, to increase or decrease the rate of interest thereon or the amount of Pre-Purchased Miles constituting
the Facility thereof; (ii) take or hold security for the payment of the Senior Obligations and exchange, enforce, foreclose upon, waive and release any such security; (iii) apply such security and direct the order or manner of sale thereof
as Barclays in its sole discretion, may determine; and (iv) exercise or refrain from exercising any rights against the Company or any other Person. 

3. Modifications to the Senior Obligation Documents; Intent. Barclays may at any time and from time to time without the
consent of or notice to the Subordinated Investor, without incurring liability to the Subordinated Investor and without impairing or releasing the obligations of the Subordinated Investor under this Agreement, change the manner or place of payment
or extend the time of payment of or renew or alter any of the terms of the Senior Obligations, or amend in any manner any agreement, note, guaranty or other instrument evidencing or securing or otherwise relating to the Senior Obligations. It is the
intent of the parties that the terms of this Agreement shall apply to any Investment made by the Subordinated Investor or any of its subsidiaries or Affiliates, and in the event an Investment is made by any subsidiary or Affiliate that is not a
party hereto, the Subordinated Investor covenants and agrees to cause such Person to execute a joinder to this Agreement or to execute or deliver an agreement substantially identical to this Agreement prior to the consummation of such Investment;
and, provided further, the Company covenants and agrees that it shall not accept such Investment unless such Person has executed a joinder to this Agreement or executed and delivered an agreement substantially identical to this Agreement. 

  
 6 

 4. Subrogation. Subject to the Payment in Full of all Senior Obligations in
accordance with the terms of the Affinity Agreement, to the extent that Barclays has received any Distribution on Senior Obligations which, but for this Agreement would have been applied to Subordinated Obligations, the Subordinated Investor shall
be subrogated to the rights of Barclays to receive Distributions with respect to the Senior Obligations until the Subordinated Obligations are paid in full (as if the Senior Obligations had not been Paid in Full in accordance with for terms of the
Affinity Agreement). The Subordinated Investor agrees that in the event that all or any part of a payment made with respect to the Senior Obligations is recovered from the holders of for Senior Obligations in a Proceeding or otherwise, any
Distribution received by the Subordinated Investor with respect to the Subordinated Obligations at any time after the date of the payment that is so recovered, whether pursuant to the right of subrogation provided for in this Agreement or otherwise,
shall be deemed to have been received by the Subordinated Investor in trust as property of the holders of the Senior Obligations and the Subordinated Investor shall forthwith deliver the same to Barclays for application to for Senior Obligations
until the Senior Obligations are paid in full. A Distribution made pursuant to this Agreement to Barclays which otherwise would have been made to the Subordinated Investor is not, as between, the Company and the Subordinated Investor, a payment by
the Company to or on account of the Senior Obligations. 
 5. Modification. Any modification or waiver of any provision
of this Agreement, or any consent to any departure by any party from the terms hereof shall not be effective in any event unless the same is in writing and signed by Barclays, the Company and the Subordinated Investor, and then such modification,
waiver or consent shall be effective only in the specific instance and for the specific purpose given. Any notice to or demand on any party hereto in any event not specifically required hereunder shall not entitle the party receiving such notice or
demand to any other or further notice or demand in the same, similar or other circumstances unless specifically required hereunder. 

6. Further Assurances. Each party to this Agreement promptly will execute and deliver such further instruments and
agreements and do such further acts and things as may be reasonably requested in writing by any other party hereto that may be reasonably necessary or desirable in order to effect fully the purposes of this Agreement. 

7. Notices. Unless otherwise specifically provided herein, any notice delivered under this Agreement shall be in writing
addressed to the respective party as set forth below and may be personally served, telecopied or sent by overnight courier service or certified or registered United States mail and shall be deemed to have been given (a) if delivered in person,
when delivered; (b) if delivered by telecopy, on the date of transmission if transmitted on a business day before 4:00 p.m. (New York time) or, if not, on the next succeeding business day; (c) if delivered by overnight courier, one
business day after delivery to such courier properly addressed; or (d) if by United States mail, four business days after deposit in the United States mail, postage prepaid and properly addressed. 

  
 7 

 Notices shall be addressed as follows; 

If to the Subordinated Investor. 

Frontier Airlines Holdings, Inc. 

[                    ] 

Tel: (        )         

Fax: (        )         

If to the Company: 
 Frontier
Airlines, Inc, 
 7001 Tower Road 

Denver, CO 80249 
 Tel:
(        )         
 Fax: ***** 

Attn: ***** 
 with a copy to:

 General Counsel 
 Fax: *****

 If to Barclays: 
 Barclays
Bank Delaware 
 125 South West Street 

Wilmington, Delaware 19801 
 Attn:
Dennis Nealon 
 Fax: ***** 

With copies to: 
 Barclays Bank
Delaware 
 125 South West Street 

Wilmington, Delaware 19801 
 Attn:
General Counsel 
 Fax: ***** 
 or in any case,
to such other address as the party addressed shall have previously designated by written notice to the serving party, given in accordance with this Section 7. 

8. Successors and Assigns. This Agreement shall inure to the benefit of, and shall be binding upon, the respective
successors and assigns of Barclays, the Subordinated Investor and the Company. 
 9. Relative Rights. This Agreement
shall define the relative rights of Barclays and the Subordinated Investor. Nothing in this Agreement shall (a) impair, as between the Company and Barclays and as between the Company and the Subordinated Investor, the obligation of the Company
with respect to the payment of the Senior Obligations and the Subordinated Obligations in accordance with their respective terms or (b) affect the relative rights of Barclays or the Subordinated Investor with respect to any other creditors of
the Company. 

  

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

  
 8 

 10. Conflict. In the event of any conflict between any term, covenant or
condition of this Agreement and any term, covenant or condition of any of the Subordinated Obligation Documents, the provisions of this Agreement shall control and govern and nothing herein shall constitute or otherwise be deemed to represent an
amendment, waiver or other modification to the Affinity Agreement 
 11. Headings; Terms. The paragraph headings used
in this Agreement are for convenience only and shall not affect the interpretation of any of the provisions hereof. 
 12.
Counterparts. This Agreement may be executed in one or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument 

13. Severability. In the event that any provision of this Agreement is deemed to be invalid, illegal or unenforceable by
reason of file operation of any law or by reason of the interpretation placed thereon by any court or governmental authority, the validity, legality and enforceability of the remaining provisions of this Agreement shall not in any way be affected or
impaired thereby, and the affected provision shall be modified to the minimum extent permitted by law so as most fully to achieve the intention of this Agreement 

14. Continuation of Subordination; Termination of Agreement. This Agreement shall remain in full force and effect until
the Payment in Full of the Senior Obligations, after which this Agreement shall terminate without further action on the part of the parties hereto. 

15. Applicable Law. This Agreement shall be governed by and shall be construed and enforced in accordance with the
internal laws of the State of Delaware, without regard to conflicts of law principles. 
 16. CONSENT TO JURISDICTION.
EACH OF THE PARTIES HERETO HEREBY CONSENTS TO THE JURISDICTION OF ANY STATE COURT LOCATED IN THE STATE OF DELAWARE AND ANY FEDERAL COURT SITTING IN DELAWARE AND IRREVOCABLY AGREES THAT ALL ACTIONS OR PROCEEDINGS ARISING OUT OF OR RELATING TO THIS
AGREEMENT SHALL BE LITIGATED IN SUCH COURTS. EACH OF THE PARTIES HERETO EXPRESSLY SUBMITS AND CONSENTS TO THE JURISDICTION OF THE AFORESAID. EACH OF THE PARTIES HERETO HEREBY WAIVES PERSONAL SERVICE OF ANY AND ALL PROCESS AND AGREES THAT ALL SUCH
SERVICE OF PROCESS MAY BE MADE UPON IT BY CERTIFIED OR REGISTERED MAIL, RETURN RECEIPT REQUESTED, ADDRESSED TO THE PARTIES HERETO AT THEIR RESPECTIVE ADDRESSES SET FORTH IN THIS AGREEMENT AND SERVICE SO MADE SHALL BE COMPLETE ***** AFTER THE SAME
HAS BEEN POSTED. 

  

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

  
 9 

 17. WAIVER OF JURY TRIAL. EACH OF THE PARTIES HERETO HEREBY WAIVES THEIR
RESPECTIVE RIGHTS TO A JURY TRIAL OF ANY CLAIM OR CAUSE OF ACTION BASED UPON OR ARISING OUT OF THIS AGREEMENT, ANY OF THE SUBORDINATED DEBT DOCUMENTS OR ANY OF THE SENIOR DEBT DOCUMENTS. EACH OF THE PARTIES HERETO ACKNOWLEDGES THAT THIS WAIVER IS A
MATERIAL INDUCEMENT TO ENTER INTO A BUSINESS RELATIONSHIP, THAT EACH HAS RELIED ON THE WAIVER IN ENTERING INTO THIS AGREEMENT AND THE SENIOR DEBT DOCUMENTS AND THAT EACH WILL CONTINUE TO RELY ON THE WAIVER IN THEIR RELATED FUTURE DEALINGS. EACH OF
THE PARTIES HERETO WARRANTS AND REPRESENTS THAT EACH HAS HAD THE OPPORTUNITY OF REVIEWING THIS JURY WAIVER WITH LEGAL COUNSEL, AND THAT EACH KNOWINGLY AND VOLUNTARILY WAIVES ITS JURY TRIAL RIGHTS. 

  
 - 10 - 

 IN WITNESS WHEREOF, the Subordinated Investor, the Company, and Barclays have caused this
Agreement to be executed as of the date first above written, 
  

			
	SUBORDINATED INVESTOR:
	
	FRONTIER AIRLINES HOLDINGS, INC.

 
			
		
	By:	 	  

		
	Title:	 	  

 
			
	
	COMPANY
	
	FRONTIER AIRLINES, INC.

 
			
		
	By:	 	  

		
	Title:	 	  

 
			
	
	BARCLAYS:
	
	BARCLAYS BANK DELAWARE

 
			
		
	By:	 	  

		
	Title:	 	  

 Exhibit B to Ninth Amendment 

See Attached Schedule 3 to the Frontier Agreement 

***** 

  

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

 Exhibit C to Ninth Amendment 

Schedule 2 to the Frontier Agreement. 

Frontier – Enplanements Forecast 
 ***** 

  

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

  

 Frontier – Early Returns Membership Forecast 

***** 

  

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

  

 Exhibit D to Ninth Amendment 

See Attached Exhibit F 

 Exhibit F 

Frontier shall, absent the agreement of the Parties to the contrary, undertake throughout the term of the Agreement the following marketing efforts: 

 

	1.	***** 

  

	2.	***** 

  

	3.	***** 

  

	4.	***** 

  

	5.	***** 

  

	6.	***** 

  

	7.	***** 

 On or before April 30, 2011, Frontier shall undertake the following marketing efforts: 

 

	1.	***** 

  

	2.	***** 

  

	3.	***** 

  

	4.	***** 

  

	5.	***** 

 On or before *****, Frontier, at its cost, shall undertake the following marketing efforts: 

 

	 	•	 	***** 

  

	 	•	 	***** 

  

	 	•	 	***** 

  

	 	•	 	***** 

  

	 	•	 	***** 

  

	 	•	 	***** 

  

	 	•	 	***** 

 On or before *****, Frontier, at its cost, will implement the below cardholder exclusives. The new
benefits will remain relative in value to competitive benefits in the ultra- low cost carrier market: 
  

	 	•	 	***** 

  

	 	•	 	***** 

  

	 	•	 	***** = ***** Redemption Fee 

  

	 	•	 	***** = An at least ***** discount to the standard ***** fee 

  

	 	•	 	***** = An at least ***** discount to the standard ***** fee 

  

	*****	Confidential portions of the material have been omitted and filed separately with the Securities and Exchange Commission.EX-10.18(B)

 Exhibit 10.18(b) 

GE Aircraft Engines 
 One Neumann Way

 Cincinnati, OH 45215-1988 
 USA

 LETTER AGREEMENT NO. 1 
 Frontier Airlines, Inc.

 12015 East 46th Avenue 
 Suite 200 

Denver, CO 80239-3116 
 Gentlemen: 

CFM International, Inc. (“CFMI”) and Frontier Airlines, Inc. (“Airline”) have entered into General Terms Agreement
No. 6-13616 dated June 30, 2000 (the “Agreement”). The Agreement contains applicable terms and conditions governing the sale by CFMI and the purchase by Airline from CFMI of CFM56 series Engines, Modules and Optional
Equipment in support of Airline’s acquisition of new aircraft. 
 In consideration of Airline’s agreement to purchase and take delivery of *****
new firm and up to, ***** option CFM56-5B5/P powered A319 aircraft (“Aircraft”) directly from Airbus Industrie (“AI”) in accordance with the Airbus A3 18/A319 Purchase Agreement dated as of March 10, 2000
between Airline and AVSA, S.A.R.L. (the “Airbus Purchase Agreement”), as memorialized in Attachment A hereto, the parties agree as follows: 
  

	I.	Prices 

 Base prices for new CFM56-5B5/P spare Engines, Modules and
Optional Equipment delivered through *****, are set forth in Attachment B hereto. The escalation formula set forth in Exhibit C of the Agreement remains in effect through *****. 

 

	II.	Special Allowances 

 CFMI agrees to provide to Airline the following
special allowances. These allowances are contingent upon Airline selecting CFM56-5B5/P Engines to power all of its purchased A319 Aircraft, it being understood that Airline has the right not to exercise its options for the option A319 Aircraft, and
up to ***** leased A319 aircraft, regardless of the lessors and are subject to the conditions set forth in Attachment C hereto. 
  

	 	A.	Per Aircraft Allowance 

 ***** per each of the first *****
CFM56-5B5/P] powered purchased A319 Aircraft purchased by and delivered to Airline *****, and for each additional CFM56-5B5/P powered purchased Aircraft purchased by and delivered to Airline by *****, payable in each case by wire transfer within
***** following receipt of written notice from Airline that it has taken delivery of an A319 Aircraft in accordance with the Airbus Purchase Agreement. 

  
 *****Confidential portions of the
material have been omitted and filed separately with the Securities and Exchange Commission. 
 1 

	*	Subject to adjustment for escalation to the date of delivery of the shipset of Engines to AI pursuant to the escalation provisions applicable to base prices, as set forth in Exhibit C of the Agreement.

  

	B.	***** Spare Engine Allowance 

 In consideration of Airline’s agreement
to purchase and take delivery of a minimum of ***** CFM56 powered A319 Aircraft during the Delivery Period (as defined in Attachment A hereto), CFMI agrees to provide ***** to Airline a new CFM56-5B5/P or CFM56-3C-1 spare engine at Airline’s
option (*****). CFMI shall deliver ***** to Airline, together with a full warranty bill of sale with respect thereto, upon delivery of Airline’s first leased or purchased A319 Aircraft; provided that Airline shall first enter into a security
agreement with CFMI or CFMI’s designee in the form attached hereto as Attachment D. 
 Upon the delivery of the ***** CFM56 powered
purchased A319 Aircraft during the Delivery Period, CFMI’s security interest in ***** shall be released and the security agreement referred to in the preceding paragraph shall terminate. 

In the event Airline fails to take delivery of a minimum of ***** purchased A319 Aircraft during the Delivery Period, Airline shall immediately
pay to CFMI the base price of ***** in effect at the time of delivery thereof to Airline. However, in the event Airline shall have purchased and taken delivery of at least ***** A319 Aircraft during the Delivery Period, CFMI will credit Airline an
amount equal to ***** of such base price for each Aircraft so purchased and delivered. 
 For the avoidance of doubt, ***** for all purposes
of the Agreement, including, without limitation, Exhibit B thereof. 
  

	C.	Second Spare Engine Credit 

 Airline has the option to purchase a second
new CFM56-5B5/P spare Engine (“2nd Spare Engine”) directly from CFMI at the Base Price specified in Attachment B hereto, plus escalation to the date the 2nd Spare Engine is purchased by and delivered to Airline. Airline shall earn a cash
credit from CFMI equivalent to ***** of the price paid by Airline for the 2nd Spare Engine (“2nd Spare Engine Credit”) for each of the ***** purchased A319 Aircraft delivered (the “Credit Aircraft”). If Airline has
purchased and taken delivery of the 2nd Spare Engine prior to delivery of the first Credit Aircraft, the 2nd Spare Engine Credit shall be paid to Airline upon delivery of each Credit Aircraft. If the 2nd Spare Engine is purchased and delivered
subsequent to delivery of the first Credit Aircraft, the 2nd Spare Engine Credit for such Aircraft and any other Credit Aircraft which have been so delivered shall be credited against the purchase price of the 2nd Spare Engine; thereafter the 2nd
Spare Engine Credit shall be paid upon delivery of each of the remaining Credit Aircraft. 

  
 *****Confidential portions of the
material have been omitted and filed separately with the Securities and Exchange Commission. 
 2 

 The obligations set forth in this Letter Agreement No. 1 are in addition to the obligations
set forth in the Agreement. 
 The provisions of paragraphs A, B, C, D and E of Article XVIII of the Agreement are incorporated herein by
reference. 
 Please indicate your agreement with the forgoing by signing the original and one (1) copy of this Letter Agreement No. 1 in the
space provided below. 
  

									
		 		 	Very truly yours,
			
	FRONTIER AIRLINES, INC.	 		 	CFM INTERNATIONAL, INC.
					
	By:	 	/s/ Lars-Erik Arnell	 		 	By:	 	/s/ John C. Mericle
	Printed Name:	 	Lars-Erik Arnell	 		 	Printed Name:	 	John C. Mericle
	Title:	 	Senior Vice President	 		 	Title:	 	Chief Financial Officer
	Date:	 	[undated]	 		 	Date:	 	October 26, 2011

  
 *****Confidential portions of the
material have been omitted and filed separately with the Securities and Exchange Commission. 
 3 

 ATTACHMENT A 

 

							
	 AIRCRAFT DELIVERY
SCHEDULE

	 Aircraft
	  	Engine Model	  	Year	  	Quantity of
Aircraft
	 *****
	  	*****	  	*****	  	*****
	 *****
	  	*****	  	*****	  	*****
	 *****
	  	*****	  	*****	  	*****
	 *****
	  	*****	  	*****	  	*****
	 *****
	  	*****	  	*****	  	*****

 Airline’s failure to purchase and take delivery of any one or more A319 Aircraft in strict accordance with the foregoing
schedule will not affect the rights and obligations of the parties hereunder, so long as such Aircraft are purchased and accepted by Airline within ***** after the last day of the scheduled year of delivery, as such scheduled year may be postponed
in accordance with the Airbus Purchase Agreement for any reason other than a request by Airline or a default thereunder by Airline (the “Delivery Period”). 

  
 *****Confidential portions of the
material have been omitted and filed separately with the Securities and Exchange Commission. 
 4 

 ATTACHMENT B 

BASE PRICES FOR SPARE ENGINES 

OPTIONAL EQUIPMENT AND MODUf.ES 
  

					
	 Item
	  	Base Price
*****	 
	 1.*****
	  	 	*****	 
	 2.*****
	  			
		  	 	*****	 
		  	 	*****	 
		  	 	*****	 
		  	 	*****	 
	 3.*****
	  			
		  	 	*****	 
	 4.*****
	  			
		  	 	*****	 
		  	 	*****	 

  

	A.	Base prices are effective for firm orders received by CFMI within quoted lead time for basic spare Engines (including associated equipment and maximum climb thrust increase), Optional Equipment and Modules for delivery
to Airline by CFMI on or before *****. The base prices are ex works, Evendale, Ohio, or point of manufacture, subject to adjustment for escalation and Airline shall be responsible, upon delivery, for the payment of all taxes, duties, fees or other
similar charges. 

  

	B.	The selling price of CFM56-5B basic spare Engines, Optional Equipment and Modules ordered for delivery after the period set forth in Paragraph A above shall be the base price then in effect and as set forth in each
purchase order as accepted by CFMI, which base price shall be subject to adjustment for escalation in accordance with CFMI’s then-current escalation provisions. 

  
 *****Confidential portions of the
material have been omitted and filed separately with the Securities and Exchange Commission. 
 5 

 ATTACHMENT C 

 

	1.	Allowance for Initial Aircraft Sale Only 

 Any allowance described in this Letter
Agreement No. 1 applies only to new A319 aircraft (together or individually the “Aircraft”) equipped with new CFM56-5B5/P engines (together or individually the “Engines”) purchased by Airline directly from the
aircraft manufacturer. 
  

	2.	Allowance Not Paid 

 Allowances described in this Letter Agreement No. 1 will
not be earned or paid with respect to Engines which have been delivered to the aircraft manufacturer for installation in Airline’s Aircraft if, thereafter, for any reason, Airline’s purchase order with the aircraft manufacturer is
terminated, canceled or revoked, or if delivery of the Aircraft will be prevented or delayed beyond the expiration of the Delivery Period. 
  

	3.	Adjustment of Allowances 

 The special allowance described in paragraph II.A of
this Letter Agreement No. 1 is contingent upon Airline purchasing and accepting delivery of a minimum of ***** CFM56-5B5/P powered A319 aircraft (“Minimum Number of Aircraft”) for delivery during the Delivery Period. If Airline
has canceled or otherwise failed to accept delivery of one or more of the required Minimum Number of Aircraft within the Delivery Period, the allowances will be adjusted as follows: 

 

			
	 Number of Aircraft delivered to Airline
	  	 Percentage of specified allowances on Aircraft
actually delivered to Airline

	 *****
	  	*****
	 *****
	  	*****
	 *****
	  	*****
	 *****
	  	*****

 Adjustment of allowances in accordance with the above formula may be made by CFMI prospectively to take into
account Aircraft delays and/or cancellations. In any case, Airline agrees to promptly reimburse CFMI for any allowance overpayments determined to have been made at the application of the adjustment formula set forth above *****. Unless otherwise
agreed by CFMI, no allowance shall be paid on Aircraft not accepted within the Delivery Period and such Aircraft shall not be counted for purposes of the adjustment formula set forth above. 

 

	4.	Assignability of Allowance 

 Any allowance described herein is exclusively for the
benefit of Airline and is not assignable without CFMI’s written consent; provided that Airline may assign such allowance, together with its other rights under this Letter Agreement No. 1 on the terms described in clause (i) of
paragraph A of Article XVIII of the Agreement. 

  
 *****Confidential portions of the
material have been omitted and filed separately with the Securities and Exchange Commission. 
 6 

	5.	Set Off for Outstanding Balance 

 CFMI shall be entitled, at all times, to set off
any outstanding obligation and amounts that are due and owing from Airline to CFMI for CFMI Aircraft Engines goods or services (whether or not in connection with this Letter Agreement No. 1 or the Agreement), against any amount payable by CFMI
to Airline in connection with this Letter Agreement No. 1 or the Agreement. 
  

	6.	Cancellation of Spare Engines 

 Airline recognizes that harm or damage will be
sustained by CFMI if Airline places a purchase order for spare Engine(s) or for Aircraft (the ***** firm Aircraft) equipped with installed Engines and subsequently cancels such purchase order and such cancellation is not caused by acts (or failure
to act) of Airbus or CFMI or otherwise fails to accept delivery of the Engines or Aircraft when duly tendered. Within ***** of any such cancellation or failure to accept delivery occurs, Airline shall remit to CFMI, as liquidated damages, a
cancellation charge equal to ***** of the Engine price, determined as of the date of scheduled Engine delivery to Airline or to the aircraft manufacturer, whichever is applicable. 

The parties acknowledge such cancellation charge to be a reasonable estimate of the harm or damage to CFMI in such circumstances. 

CFMI shall apply any progress payments or other deposits made to CFMI for any such Engine first to the cancellation charge for such Engine and
thereafter to any other amounts owed to CFMI hereunder. Progress payments held by CFMI in respect of any such Engine which are in excess of such amounts will be refunded to Airline. 

If CFMI fails to deliver a spare Engine in accordance with the terms of the Agreement or this Letter Agreement No. 1 within ***** after
the date upon which such spare Engine was scheduled to be delivered for any reason other than an Excusable Delay or a default or breach by Airline, Airline may terminate this Letter Agreement No. 1 with respect to such spare Engine and CFMI
shall promptly return any progress payments or other deposits made with respect to such Engine, together with interest thereon from the date such deposits were made at six month Libor. In addition, Airline will retain all remedies available to it at
law or in equity. 
  

	7.	Delay of Spare Engines 

 In the event the Airline delays the scheduled delivery
date of a spare Engine, or causes the delay of the scheduled delivery date of an installed Engine, for which CFMI has received a purchase order from the aircraft manufacturer or Airline, as appropriate, through no fault of CFMI or the aircraft
manufacturer, for a period, or cumulative period, of more than *****, such delay shall be considered a cancellation and the applicable provisions hereof regarding the effect of cancellation shall apply. 

  
 *****Confidential portions of the
material have been omitted and filed separately with the Securities and Exchange Commission. 
 7 

	8.	Option Aircraft Substitution Rights 

 CFMI acknowledges that Airline has the
right, pursuant to the Airbus Purchase Agreement, to convert A319 option Aircraft into firm A318 aircraft which are not powered by CFM56 engines, and to convert option A318 aircraft into firm CFM56 powered A319 aircraft (the “Conversion
Right”). Such right is exercisable upon notice by Airline to the airframe manufacturer not later than ***** before the start of the calendar quarter in which the aircraft to be converted is scheduled to be delivered. In the event that
Airline elects to exercise its Conversion Right with respect to any A319 Aircraft or any A318 Aircraft, it will deliver a copy of the foregoing notice to CFMI, and CFMI agrees that, promptly following its receipt thereof, it will provide its written
consent to such exercise to the airframe manufacturer. CFMI will use its best reasonable efforts, consistent with its other obligations and its production capabilities, to ensure that the delivery date for the engines for any new firm CFM56 powered
A319 aircraft resulting from the exercise of the Conversion Right will be the same as the scheduled delivery date for the engines for the A318 aircraft from which it was converted, and further agrees that any such new A319 aircraft will be an
“Aircraft” for all purposes of this Letter Agreement No. 1. 
  

	9.	Aircraft Not Operated for Minimum Period 

 If, within the first ***** following
delivery of each Aircraft for which a special allowance, of any nature, was provided by CFMI under this Letter Agreement No. 1 (the “Minimum Period”), such aircraft is no longer owned by (i) Airline or a wholly owned
subsidiary of Airline, (ii) a trust or other special purpose entity established in connection with the financing of such Aircraft for Airline, or (iii) an entity to which Airline is permitted to assign its rights pursuant to clause (i)(b)
of Paragraph A of Article XVIII of the Agreement, the special allowances earned and/or paid on such Aircraft will be proportionately reduced. Airline will reimburse CFMI an amount equal to the proportionate share of the special allowances earned
and/or paid with respect to such Aircraft (based on the percentage of the Minimum Period the Aircraft was actually owned by Airline), with interest on such amount. The allowance reimbursement is due no later than ***** from the time Airline ceases
to own and operate such Aircraft. *****. 

  
 *****Confidential portions of the
material have been omitted and filed separately with the Securities and Exchange Commission. 
 8

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