Common use of Month End Closure Clause in Contracts

Month End Closure. SkyLedger operates with two (2) accounting periods open at all times. Prior to closing the accounting month end, Customers must ensure that following are managed: • All flights for that month have been set to “Close” within the NAVITAIRE Reservation system. • All no-show passengers on all flights for the month have been set to “No-Show”. • Balance in the SkyLedger Suspense account has been cleared to “Nil” balance or to a reasonable level. Customers are required to close the accounting period within the first five (5) working days of the next month (e.g. July 2007 accounting month would be set to close by August 7th, 2007). Customers are requested to log an IPR to request NAVITAIRE Operations to close the accounting month. For example: • July and August 2007 accounting periods are open • July accounting period is closed no later than Monday, August 7th, 2007 • As soon as July 2007 is closed September 2007 accounting period will be open In the event Customer has not requested the earliest accounting to be closed prior to the start of the third month (in the example above this is September 2007) the NAVITAIRE Operations will close the accounting period (July in the above example). The Customer will be provided 24 hours notice that the accounting period will be scheduled for closure. This is to ensure that September booking data can be loaded and accounting is generated without any delays. If NAVITAIRE Operations confirms the accounting close is to be scheduled and the Customer does not accept this, the Customer will be responsible for any incurred costs associated with holding back and the loading of data for subsequent months. Effort is chargeable based on time and materials at the rates listed in Section 9.3 of this Exhibit. This Amendment No. 1 to the NAVITAIRE Hosted Services Agreement (this “Amendment”), effective as of October 23, 2007, is entered into by and between NAVITAIRE Inc., a Delaware corporation (“NAVITAIRE”), and Spirit Airlines, Inc., a Delaware corporation (“Customer”). Initially capitalized terms used but not otherwise defined herein shall have the meanings assigned to such terms in the Agreement (as defined below). A. NAVITAIRE and Customer are parties to that certain NAVITAIRE Hosted Service Agreement dated as of February 28, 2007 (the “Agreement”), pursuant to which NAVITAIRE performs Hosted Services for Customer. B. Section 19.1 of the Agreement permits the parties to amended the terms and conditions of the Agreement provided such amendment is made in writing signed by the parties.

Month End Closure. SkyLedger operates with two (2) ***** accounting periods open at all times. Prior to closing the accounting month end, Customers must ensure that following are managed: • All flights for that month have been set to “Close” within the NAVITAIRE Reservation systemSystem. • All no-show passengers on all flights for the month have been set to “No-Show”. • Balance in the SkyLedger Suspense account has been cleared to “Nil” balance or to a reasonable level. Hosted Services Agreement Customers are required to close the accounting period within the first five (5) working days ***** of the next month (e.g. July 2007 ***** accounting month would be set to close by August 7th, 2007*****). Customers are requested to log an IPR INC to request NAVITAIRE Operations to close the accounting month. For example: • July and August 2007 ***** accounting periods are open • July ***** accounting period is closed no later than Monday, August 7th, 2007 • *****As soon as July 2007 ***** is closed September 2007 ***** accounting period will be open In the event Customer has not requested the earliest accounting period to be closed prior to the start of the third month ***** (in the example above this is September 2007*****) the NAVITAIRE Operations will close the accounting period (July ***** in the above example). The Customer will be provided 24 hours ***** notice that the accounting period will be scheduled for closure. This is to ensure that September booking data can be loaded and accounting is generated without any delays. If NAVITAIRE Operations confirms the accounting close is to be scheduled and the Customer does not accept this, the Customer will be responsible for any incurred costs associated with holding back and the loading of data for subsequent months. Effort This effort is chargeable based on time and materials at the rates listed in Section 9.3 of this Exhibit. This Amendment No. 1 to the NAVITAIRE Exhibit K. Hosted Services Agreement (this “Amendment”), effective as of October 23, 2007, is entered into by and between NAVITAIRE Inc., a Delaware corporation (“NAVITAIRE”), and Spirit Airlines, Inc., a Delaware corporation (“Customer”). Initially capitalized terms used but not otherwise defined herein shall have the meanings assigned to such terms in the Agreement (as defined below). A. NAVITAIRE and Customer are parties to that certain NAVITAIRE Hosted Service Agreement dated as of February 28, 2007 (the “Agreement”), pursuant to which NAVITAIRE performs Hosted Services for CustomerAgreement Hosted Services Agreement Hosted Services Agreement All fees in this Exhibit are specified in USD. B. Section 19.1 of the Agreement permits the parties to amended the terms and conditions of the Agreement provided such amendment is made in writing signed by the parties.

Month End Closure. SkyLedger operates with two (2) accounting periods open at all times. Prior to closing the accounting month end, Customers must ensure that following are managed: • All flights for that month have been set to “Close” within the NAVITAIRE Reservation system. • All no-show passengers on all flights for the month have been set to “No-Show”. • Balance in the SkyLedger Suspense account has been cleared to “Nil” balance or to a reasonable level. Customers are required to close the accounting period within the first five (5) working days of the next month (e.g. July 2007 2006 accounting month would be set to close by August 7th, 20072006). Customers are requested to log an IPR to request NAVITAIRE Operations to close the accounting month. For example: • July and August 2007 2006 accounting periods are open • July accounting period is closed no later than Monday, August 7th, 2007 2006 • As soon as July 2007 2006 is closed September 2007 2006 accounting period will be open In the event Customer has not requested the earliest accounting to be closed prior to the start of the third month (in the example above this is September 20072006) the NAVITAIRE Operations will close the accounting period (July in the above example). The Customer will be provided 24 hours notice that the accounting period will be scheduled for closure. This is to ensure that September booking data can be loaded and accounting is generated without any delays. If NAVITAIRE Operations confirms the accounting close is to be scheduled and the Customer does not accept this, the Customer will be responsible for any incurred costs associated with holding back and the loading of data for subsequent months. Effort is chargeable based on time and materials at the rates listed in Exhibit H, Section 9.3 6. In the event that there exists any conflict between any term, condition or provision contained within this Exhibit and in any term, condition, or provision contained within the Agreement, the term, condition, or provision contained within this Exhibit shall control. Further, the rights, obligations, and privileges of the parties shall be determined first by reference to this Exhibit. This Amendment No. 1 , as opposed to the NAVITAIRE Hosted Services Agreement (this “Amendment”)Agreement. For purposes of clarification, effective as of October 23the rights, 2007, is entered into by and between NAVITAIRE Inc., a Delaware corporation (“NAVITAIRE”)obligations, and Spirit Airlinesprivileges contained within this Exhibit shall control and govern any dispute between the parties until all such rights, Inc.obligations, a Delaware corporation (“Customer”). Initially capitalized terms used but not otherwise defined herein and privileges have been exhausted in their entirety; and only after such time shall have the meanings assigned to such terms in the Agreement (as defined below). A. NAVITAIRE rights, obligations, and Customer are parties to that certain NAVITAIRE Hosted Service Agreement dated as of February 28, 2007 (the “Agreement”), pursuant to which NAVITAIRE performs Hosted Services for Customer. B. Section 19.1 privileges of the Agreement permits parties be determined by reference to the parties to amended the terms and conditions of the Agreement provided such amendment is made in writing signed by the partiesAgreement.