SAVE / Spirit Airlines, Inc. - Документы SEC, Годовой отчет, Доверенное заявление

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 2, 2025 Spirit Aviation

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 2, 2025 Spirit Aviation Holdings, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35186 33-3711797 (State or other jurisdiction of incorporation) (C

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Exhibit 10.1 Spirit Aviation Holdings, Inc. 1731 Radiant Drive Dania Beach, Florida 33004 August 29, 2025 [NAME] Via E-mail Re: Retention Award Agreement Dear [NAME]: This letter agreement (this “Agreement”) between you and Spirit Aviation Holdings, Inc. (together with its subsidiaries, the “Company”) sets forth the terms of your retention award. As you know, we consider your continued service and

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 29, 2025 (August 25, 2025)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 29, 2025 (August 25, 2025) Spirit Aviation Holdings, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35186 33-3711797 (State or other jurisdiction of i

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Exhibit 10.2 Spirit Aviation Holdings, Inc. 1731 Radiant Drive Dania Beach, Florida 33004 August 29, 2025 David Davis Via E-mail Re: Retention Award Agreement Dear David: This letter agreement (this “Agreement”) between you and Spirit Aviation Holdings, Inc. (together with its subsidiaries, the “Company”) sets forth the terms of your retention award. As you know, we consider your continued service

Spirit Airlines Takes Action to Build a Stronger Foundation and Future for America’s Leading Value Airline Commences voluntary restructuring process to implement financial and operational transformation to redesign network, optimize fleet and realign

Exhibit 99.1 Spirit Airlines Takes Action to Build a Stronger Foundation and Future for America’s Leading Value Airline Commences voluntary restructuring process to implement financial and operational transformation to redesign network, optimize fleet and realign strategy with evolving marketplace Flights, ticket sales, reservations and operations continue DANIA BEACH, Fla., Aug. 29, 2025 – Spirit

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 21, 2025 (August 15, 202

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 21, 2025 (August 15, 2025) Spirit Aviation Holdings, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35186 33-3711797 (State or other jurisdiction of

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 21, 2025 (August 15, 2025)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 21, 2025 (August 15, 2025) Spirit Aviation Holdings, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35186 33-3711797 (State or other jurisdiction of i

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-35186 SPIRIT AVI

Separation and Release Agreement between Edward M. Christie and Spirit Aviation Holdings, Inc. dated April 6, 2025.

Exhibit 10.1 EXECUTION VERSION SEPARATION AND RELEASE AGREEMENT This Separation and Release Agreement (this "Agreement"), dated as of April 6, 2025, is being entered into by and between Spirit Aviation Holdings, Inc. ("Spirit" or the "Company") and Edward M. Christie III ("you"). Reference is made in this Agreement to (i) the Company's 2017 Executive Severance Plan (as amended, the "Severance Plan

Escrow Agreement with David Davis dated April 18, 2025

Exhibit 10.3 THE USE OF THE FOLLOWING NOTATION IN THIS EXHIBIT INDICATES THAT THE CONFIDENTIAL PORTION HAS BEEN OMITTED PURSUANT TO ITEM 601(b)(10)(iv) WHEREBY CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED: [***] FUND SERVICES AGREEMENT 1 This Agreement is entered into as of April 18,

Inducement Award Agreement with David Davis dated April 21, 2025.

Exhibit 10.6 Execution Version SPIRIT AVIATION HOLDINGS, INC. 2025 INCENTIVE AWARD PLAN RESTRICTED STOCK UNIT AWARD GRANT NOTICE AND RESTRICTED STOCK UNIT AWARD AGREEMENT INDUCEMENT RESTRICTED STOCK UNITS Spirit Aviation Holdings, Inc., a Delaware corporation (the “Company”), pursuant to its 2025 Incentive Award Plan, as amended from time to time (the “Plan”), hereby grants to the individual liste

Form of Non-Employee Director Restricted Stock Unit Award Agreement (Performance-and-Time-based).

Exhibit 10.5 Execution Version THE USE OF THE FOLLOWING NOTATION IN THIS EXHIBIT INDICATES THAT THE CONFIDENTIAL PORTION HAS BEEN OMITTED PURSUANT TO ITEM 601(b)(10)(iv) WHEREBY CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED: [***] SPIRIT AVIATION HOLDINGS, INC. 2025 INCENTIVE AWARD PL

Initial Performance Stock Units Award Agreement with David Davis dated April 21, 2025.

Exhibit 10.8 Execution Version SPIRIT AVIATION HOLDINGS, INC. 2025 INCENTIVE AWARD PLAN PERFORMANCE STOCK UNIT AWARD GRANT NOTICE AND PERFORMANCE STOCK UNIT AWARD AGREEMENT INITIAL PERFORMANCE STOCK UNIT AGREEMENT Spirit Aviation Holdings, Inc., a Delaware corporation (the “Company”), pursuant to its 2025 Incentive Award Plan, as amended from time to time (the “Plan”), hereby grants to the individ

Spirit Aviation Holdings, Inc. 2025 Incentive Award Plan dated April 16, 2025.

Exhibit 10.4 SPIRIT AVIATION HOLDINGS, INC. 2025 INCENTIVE AWARD PLAN ARTICLE 1 PURPOSE The purpose of the Spirit Aviation Holdings, Inc. 2025 Incentive Award Plan (the “Plan”) is to promote the success and enhance the value of Spirit Aviation Holdings, Inc., a Delaware corporation (the “Company”), by aligning the interests of the Employees, Consultants, and Non-Employee Directors with those of th

Letter Agreement between International Aero Engines, LLC and Spirit Airlines, LLC dated June 4, 2025.

Exhibit 10.10 STRICTLY CONFIDENTIAL THE USE OF THE FOLLOWING NOTATION IN THIS EXHIBIT INDICATES THAT THE CONFIDENTIAL PORTION HAS BEEN OMITTED PURSUANT TO ITEM 601(b)(10)(iv) WHEREBY CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED: [***] This document contains proprietary information of

Employment Agreement between David Davis and Spirit Aviation Holdings, Inc. dated April 16, 2025.

Exhibit 10.2 Execution Version THE USE OF THE FOLLOWING NOTATION IN THIS EXHIBIT INDICATES THAT THE CONFIDENTIAL PORTION HAS BEEN OMITTED PURSUANT TO ITEM 601(b)(10)(iv) WHEREBY CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED: [***] EMPLOYMENT AGREEMENT This Employment Agreement (togeth

Separation and Release Agreement between Matthew H. Klein and Spirit Aviation Holdings, Inc. dated April 17, 2025.

Exhibit 10.9 EXECUTION VERSION SEPARATION AND RELEASE AGREEMENT This Separation and Release Agreement (this “Agreement”), dated as of April 17, 2025, is being entered into by and between Spirit Aviation Holdings, Inc. (“Spirit” or the “Company”) and Matthew H. Klein (“You”). Reference is made in this Agreement to the Company’s 2017 Executive Severance Plan (as amended, the “Severance Plan”) and (i

Initial Restricted Stock Units Award Agreement with David Davis dated April 21, 2025.

Exhibit 10.7 Execution Version SPIRIT AVIATION HOLDINGS, INC. 2025 INCENTIVE AWARD PLAN RESTRICTED STOCK UNIT AWARD GRANT NOTICE AND RESTRICTED STOCK UNIT AWARD AGREEMENT INITIAL RESTRICTED STOCK UNITS Spirit Aviation Holdings, Inc., a Delaware corporation (the “Company”), pursuant to its 2025 Incentive Award Plan, as amended from time to time (the “Plan”), hereby grants to the individual listed b

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 21, 2025 Spirit Aviation Holdings, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35186 33-3711797 (State or other jurisdiction of incorporation) (Commi

Spirit Aviation Holdings, Inc. 6,283,197 Shares of Common Stock

Table of Contents Filed pursuant to rule 424(b)3 Registration No. 333-288706 PROSPECTUS Spirit Aviation Holdings, Inc. 6,283,197 Shares of Common Stock In connection with our emergence from bankruptcy, this prospectus relates to the offer and sale, from time to time, by the selling stockholders identified in this prospectus (the “Selling Stockholders”) of up to 6,283,197 shares of our common stock

Powers of Attorney (included on the signature pages)

Table of Contents As filed with the United States Securities and Exchange Commission on July 16, 2025 Registration No.

Filing Fee Table

EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables Form S-1 (Form Type) Spirit Aviation Holdings, Inc.

July 16, 2025

CORRESP July 16, 2025 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.

Form of Specimen Common Stock Certificate

EX-4.1 Exhibit 4.1 INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE TOTAL AUTHORIZED ISSUE SEE REVENUE FOR SHARHSPAR VALUE $0.0001 EACH CERTAIN DEFINITIONS COMMON STOCK CUSJP USS4863V1017 THIS IS TO CERTIFY THAT IS THE OWNER OF NON-ASSESSABLE OF THE ABOVE CORPORATION TRANSFERABLE ONLY ON THE BOOKS OF THE CORPORATION BY THE HOLDER HEREOF IN PERSON OR BY DULY AUTHORIZED ATTORNEY UPON SURRENDER O

INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE TOTAL AUTHORIZED ISSUE SEE REVENUE FOR SHARHSPAR VALUE $0.0001 EACH CERTAIN DEFINITIONS COMMON STOCK CUSJP USS4863V1017 THIS IS TO CERTIFY THAT IS THE OWNER OF NON-ASSESSABLE OF THE ABOVE CORPORATI

EX-4.1 Exhibit 4.1 INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE TOTAL AUTHORIZED ISSUE SEE REVENUE FOR SHARHSPAR VALUE $0.0001 EACH CERTAIN DEFINITIONS COMMON STOCK CUSJP USS4863V1017 THIS IS TO CERTIFY THAT IS THE OWNER OF NON-ASSESSABLE OF THE ABOVE CORPORATION TRANSFERABLE ONLY ON THE BOOKS OF THE CORPORATION BY THE HOLDER HEREOF IN PERSON OR BY DULY AUTHORIZED ATTORNEY UPON SURRENDER O

Confidential Treatment Requested by Spirit Aviation Holdings, Inc. Pursuant to 17 C.F.R. Section 200.83 This is a confidential draft submission to the United States Securities and Exchange Commission on June 13, 2025 under the Securities Act of 1933,

Table of Contents Confidential Treatment Requested by Spirit Aviation Holdings, Inc.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): June 9, 2025 (June 4, 2025) SPIRI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): June 9, 2025 (June 4, 2025) SPIRIT AVIATION HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 33-3711797 (State or other jurisdiction of incorpo

GLOBAL NOTES AND STATEMENT OF LIMITATION, METHODOLOGY, AND DISCLAIMERS REGARDING THE MONTHLY OPERATING REPORT FOR FEBRUARY 2025

Exhibit 99.1 UNITED STATES BANKRUPTCY COURT SOUTHERN DISTRICT OF NEW YORK In re: SPIRIT FINANCE CAYMAN 1 LTD., Debtor.1 Chapter 11 Case No. 24-12038 (SHL) GLOBAL NOTES AND STATEMENT OF LIMITATION, METHODOLOGY, AND DISCLAIMERS REGARDING THE MONTHLY OPERATING REPORT FOR FEBRUARY 2025 The (Reorganized) Debtors2 prepared the attached monthly operating report for February 2025 (together herewith and wi

GLOBAL NOTES AND STATEMENT OF LIMITATION, METHODOLOGY, AND DISCLAIMERS REGARDING THE MONTHLY OPERATING REPORT FOR MARCH 2025

Exhibit 99.2 UNITED STATES BANKRUPTCY COURT SOUTHERN DISTRICT OF NEW YORK In re: SPIRIT FINANCE CAYMAN 1 LTD., Debtor.1 Chapter 11 Case No. 24-12038 (SHL) GLOBAL NOTES AND STATEMENT OF LIMITATION, METHODOLOGY, AND DISCLAIMERS REGARDING THE MONTHLY OPERATING REPORT FOR MARCH 2025 The (Reorganized) Debtors2 prepared the attached monthly operating report for the period beginning March 1, 2025, and en

GLOBAL NOTES AND STATEMENT OF LIMITATION, METHODOLOGY, AND DISCLAIMERS REGARDING THE POST CONFIRMATION REPORT FOR THE PERIOD ENDING MARCH 31, 2025

Exhibit 99.3 UNITED STATES BANKRUPTCY COURT SOUTHERN DISTRICT OF NEW YORK In re: SPIRIT FINANCE CAYMAN 1 LTD., Debtor.1 Chapter 11 Case No. 24-12038 (SHL) GLOBAL NOTES AND STATEMENT OF LIMITATION, METHODOLOGY, AND DISCLAIMERS REGARDING THE POST CONFIRMATION REPORT FOR THE PERIOD ENDING MARCH 31, 2025 The Reorganized Debtors2 prepared the attached monthly operating report for the period beginning M

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 6, 2025 SPIRIT AVIATION HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 33-3711797 (State or other jurisdiction of incorporation or organ

Form of Indemnification Agreement between Spirit Aviation Holdings, Inc. and its directors and executive officers.

Exhibit 10.3 INDEMNIFICATION AGREEMENT This Indemnification Agreement (“Agreement”) is effective as of , by and between Spirit Aviation Holdings, Inc., a Delaware corporation (the “Company”), and (“Indemnitee”). RECITALS: A. The Company recognizes the difficulty in obtaining liability insurance for its directors, officers, employees, controlling persons, fiduciaries and other agents and affiliates

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-35186 SPIRIT AV

Trust Supplement No. 2025-1B(R), dated as of March 27, 2025, between Spirit Airlines, LLC and Wilmington Trust, National Association, as Trustee, to the Pass Through Trust Agreement, dated as of August 11, 2015.

Exhibit 4.1 EXECUTION VERSION TRUST SUPPLEMENT NO. 2025-1B(R) Dated as of March 27, 2025 between SPIRIT AIRLINES, LLC and WILMINGTON TRUST, NATIONAL ASSOCIATION, as Trustee, To PASS THROUGH TRUST AGREEMENT Dated as of August 11, 2015 Spirit Airlines Pass Through Trust 2025-1B(R) Spirit Airlines Pass Through Certificates, Series 2025-1B(R) Table of Contents Page ARTICLE I DEFINITIONS 2 Section 1.01

Exhibit 99.1 Spirit Aviation Holdings, Inc. Announces Receipt of NYSE American Delinquency Notification DANIA BEACH, Fla., May 27, 2025 – On May 20, 2025, Spirit Aviation Holdings, Inc. (NYSE American: FLYY) (the “Company”) received a written notice

Exhibit 99.1 Spirit Aviation Holdings, Inc. Announces Receipt of NYSE American Delinquency Notification DANIA BEACH, Fla., May 27, 2025 – On May 20, 2025, Spirit Aviation Holdings, Inc. (NYSE American: FLYY) (the “Company”) received a written notice from NYSE Regulation (the “Notice”) stating that the Company is not in compliance with the continued listing standards of the NYSE American LLC (“NYSE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): May 27, 2025 (May 20, 2025) SPIRI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): May 27, 2025 (May 20, 2025) SPIRIT AVIATION HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 33-3711797 (State or other jurisdiction of incorpo

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one):  ☐ Form 10-K  ☐ Form 20-F  ☐ Form 11-K  ☒ Form 10-Q ☐ Form 10-D  ☐ Form N-CEN  ☐ Form N-CSR For Period Ended: March 31, 2025 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q For the Transition Period Ended:            Nothing in this form shall be construed to imply that the Commission has verified any information contained herein If the notification relates to a portion of the filing checked above, identify the item(s) to which the notification relates:   PART I — REGISTRANT INFORMATION Spirit Aviation Holdings, Inc.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): (May 6, 2025) SPIRIT AVIATION HOL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): (May 6, 2025) SPIRIT AVIATION HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 33-3711797 (State or other jurisdiction of incorporation) (Commi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 1 to FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 or ☐ TR

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 1 to FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission

Spirit Aviation Holdings, Inc. Dodd-Frank Clawback Policy.

Exhibit 97.1 SPIRIT AVIATION HOLDINGS, INC. Dodd-Frank Clawback Policy The Board of Directors (the “Board”) of Spirit Aviation Holdings, Inc., a Delaware corporation (including affiliates, the “Company”) believes that it is in the best interests of the Company and its shareholders to adopt this Dodd-Frank Clawback Policy (the “Policy”), which provides for the recovery of certain incentive compensa

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 28, 2025 (March 12, 2025) Spirit Aviation Holdings, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35186 33-3711797 (State or other jurisdiction of i

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 Spirit Aviation Holdings, Inc. (Exact name of r

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 Spirit Aviation Holdings, Inc. (Exact name of registrant as specified in its charter) Delaware 33-3711797 (State or other jurisdiction of incorporation) (I.R.S. Employer Identification No.) 1731 Ra

Spirit Airlines Announces NYSE American Listing Approval

Exhibit 99.1 Spirit Airlines Announces NYSE American Listing Approval DANIA BEACH, Fla., April 24, 2025 - Spirit Aviation Holdings, Inc., parent company of Spirit Airlines, LLC, (together, "Spirit") today announced that its common stock has been approved for listing on the NYSE American stock exchange. Trading is expected to begin on April 29, 2025, at market open under the symbol FLYY. “Listing o

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): (April 24, 2025) SPIRIT AVIATION HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 333-276992 33-3711797 (State or other jurisdiction of incorporation) (C

As filed with the Securities and Exchange Commission on April 21, 2025

As filed with the Securities and Exchange Commission on April 21, 2025 Registration No.

Filing Fee Table

EXHIBIT 107.1 Calculation of Filing Fee Table Form S-8 (Form Type) Spirit Aviation Holdings, Inc. (Exact Name of Registrant as Specified in its Charter) Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered(1) Proposed Maximum Offering Price Per Unit(3) Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee(4) Equity Common Stock, $0.00

Spirit Aviation Holdings, Inc. 2025 Incentive Award Plan.

Exhibit 99.1 SPIRIT AVIATION HOLDINGS, INC. 2025 INCENTIVE AWARD PLAN ARTICLE 1 PURPOSE The purpose of the Spirit Aviation Holdings, Inc. 2025 Incentive Award Plan (the “Plan”) is to promote the success and enhance the value of Spirit Aviation Holdings, Inc., a Delaware corporation (the “Company”), by aligning the interests of the Employees, Consultants, and Non-Employee Directors with those of th

Spirit Airlines Appoints Airline Industry Leader Dave Davis as President and CEO Announces New Leadership Appointments

Exhibit 99.1 Spirit Airlines Appoints Airline Industry Leader Dave Davis as President and CEO Announces New Leadership Appointments DANIA BEACH, Fla., April 17, 2025 - Spirit Aviation Holdings, Inc., parent company of Spirit Airlines, LLC, (together, "Spirit") today announced that its Board of Directors has appointed Dave Davis as President and Chief Executive Officer and a member of the Board, ef

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 17, 2025 (April 16, 2025) Spirit Aviation Holdings, Inc. (Exact name of registrant as specified in its charter) Delaware 333-276992 33-3711797 (State or other jurisdiction of in

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 6, 2025 Spirit Aviation Holdings, Inc. (Exact name of registrant as specified in its charter) Delaware 333-276992 33-3711797 (State or other jurisdiction of incorporation) (Comm

Spirit Airlines Announces Senior Leadership Transition

Exhibit 99.1 Spirit Airlines Announces Senior Leadership Transition DANIA BEACH, Fla.- Spirit Aviation Holdings, Inc., parent company of Spirit Airlines, LLC, (together, “Spirit” or the “Company”) today announced the following changes to its leadership. Ted Christie, President and Chief Executive Officer, is stepping down from the Company and from the Board of Directors, effective Monday, April 7,

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): April 2, 2025 (March 31, 2025) SPIRIT AVIATION HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 333-276992 33-3711797 (State or other jurisdiction of inc

A319 CEO A320 CEO A320 NEO A321 CEO A321 NEO Total 2 49 91 22 28 192 1Q25 (2) — — — 2 — 2Q25 — — — — 2 2 3Q25 — — — — 2 2 4Q25 — — — — — — — 49 91 22 34 196 Note: (1) Excludes 21 A320/A321 aircraft which are held for sale as of 12/31/2024. Seat Confi

A319 CEO A320 CEO A320 NEO A321 CEO A321 NEO Total 2 49 91 22 28 192 1Q25 (2) — — — 2 — 2Q25 — — — — 2 2 3Q25 — — — — 2 2 4Q25 — — — — — — — 49 91 22 34 196 Note: (1) Excludes 21 A320/A321 aircraft which are held for sale as of 12/31/2024.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 1, 2025 (March 12, 2025)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 1, 2025 (March 12, 2025) Spirit Aviation Holdings, Inc. (Exact name of registrant as specified in its charter) Delaware 333-276992 33-3711797 (State or other jurisdiction of i

Form of Indemnification Agreement.

Exhibit 10.1 INDEMNIFICATION AGREEMENT This Indemnification Agreement (“Agreement”) is effective as of , by and between Spirit Aviation Holdings, Inc., a Delaware corporation (the “Company”), and (“Indemnitee”). RECITALS: A. The Company recognizes the difficulty in obtaining liability insurance for its directors, officers, employees, controlling persons, fiduciaries and other agents and affiliates

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 24, 2025 (March 12, 2025)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 24, 2025 (March 12, 2025) Spirit Aviation Holdings, Inc. (Exact name of registrant as specified in its charter) Delaware 333-276992 33-3711797 (State or other jurisdiction of

Amended and Restated Credit and Guaranty Agreement dated as of March 12, 2025, by and among Spirit Airlines, Inc., as borrower, the subsidiaries guarantors party thereto, Citibank, N.A., as administrative agent, and Wilmington Trust, National Association, as collateral agent.

Exhibit 10.1 AMENDED AND RESTATED CREDIT AND GUARANTY AGREEMENT dated as of March 12, 2025 among SPIRIT AIRLINES, INC., as Borrower, THE SUBSIDIARIES OF THE PARENT HOLDCO PARTY HERETO, as Guarantors, THE LENDERS PARTY HERETO, CITIBANK, N.A., as Administrative Agent and WILMINGTON TRUST, NATIONAL ASSOCIATION as Collateral Agent Table of Contents Page SECTION 1. DEFINITIONS 2 Section 1.01. Defined T

Amended and Restated Certificate of Incorporation of Spirit Aviation Holdings, Inc., dated March 12, 2025, filed as Exhibit 3.1 to the Company’s Form 8-K dated March 13, 2025, is hereby incorporated by reference.

Exhibit 3.1 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF SPIRIT AVIATION HOLDINGS, INC. It is hereby certified that: 1. The name of the corporation is Spirit Aviation Holdings, Inc. 2. The date of filing of its original Certificate of Incorporation with the Secretary of State of the State of Delaware was February 27, 2025. 3. Pursuant to sections 242 and 245, the Certificate of Incorporati

Tranche 2 Warrant Agreement between Spirit Aviation Holdings, Inc. and Equiniti Trust Company, LLC, filed as Exhibit 4.5 to the Company’s Form 8-K dated March 13, 2025, is hereby incorporated by reference.

Exhibit 4.5 TRANCHE 2 WARRANT AGREEMENT This TRANCHE 2 WARRANT AGREEMENT (this “Agreement”) is dated as of March 12, 2025 by and between Spirit Aviation Holdings, Inc., a Delaware corporation (the “Company”), and Equiniti Trust Company, LLC, a New York limited liability company, as Warrant Agent (the “Warrant Agent”) (each a “Party” and collectively, the “Parties”). WHEREAS, pursuant to the terms

As filed with the Securities and Exchange Commission on March 12, 2025

As filed with the Securities and Exchange Commission on March 12, 2025 Registration No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number: 333-276992 Spirit Airlines, Inc. (Exact name of registrant as specified in i

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 12, 2025 Spirit Aviation Ho

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 12, 2025 Spirit Aviation Holdings, Inc. (Exact name of registrant as specified in its charter) Delaware 333-276992 33-3711797 (State or other jurisdiction of incorporation) (Com

As filed with the Securities and Exchange Commission on March 12, 2025

As filed with the Securities and Exchange Commission on March 12, 2025 Registration No.

Tranche 1 Warrant Agreement between Spirit Aviation Holdings, Inc. and Equiniti Trust Company, LLC.

Exhibit 4.4 TRANCHE 1 WARRANT AGREEMENT This TRANCHE 1 WARRANT AGREEMENT (this “Agreement”) is dated as of March 12, 2025 by and between Spirit Aviation Holdings, Inc., a Delaware corporation (the “Company”), and Equiniti Trust Company, LLC, a New York limited liability company, as Warrant Agent (the “Warrant Agent”) (each a “Party” and collectively, the “Parties”). WHEREAS, pursuant to the terms

Registration Rights Agreement, dated as of March 12, 2025, by and among Spirit Aviation Holdings, Inc. and the holders party thereto.

Exhibit 10.2 REGISTRATION RIGHTS AGREEMENT This REGISTRATION RIGHTS AGREEMENT (this “Agreement”), dated as of March 12, 2025, is entered into by and among (i) Spirit Aviation Holdings, Inc., a Delaware corporation (the “Company”), and (ii) the beneficial and record holders of New Common Stock and New Common Stock Equivalents (each, as defined below) as of the date hereof, who have executed signatu

Amended and Restated Bylaws of Spirit Aviation Holdings, Inc., dated March 12, 2025, filed as Exhibit 3.2 to the Company’s Form 8-K dated March 13, 2025, is hereby incorporated by reference.

Exhibit 3.2 AMENDED AND RESTATED BYLAWS OF SPIRIT AVIATION HOLDINGS, INC. (a Delaware corporation) TABLE OF CONTENTS Page ARTICLE I - CORPORATE OFFICES 1 1.1 REGISTERED OFFICE 1 1.2 OTHER OFFICES 1 ARTICLE II - MEETINGS OF STOCKHOLDERS 1 2.1 PLACE OF MEETINGS; MEETINGS BY REMOTE COMMUNICATIONS. 1 2.2 ANNUAL MEETING 1 2.3 SPECIAL MEETING 1 2.4 NOTICE OF STOCKHOLDERS’ MEETINGS. 2 2.5 QUORUM 3 2.6 AD

Exit Notes Indenture, dated as of March 12, 2025, by and among Spirit IP Cayman Ltd. and Spirit Loyalty Cayman Ltd., as issuers, the guarantors party thereto, the collateral grantor party thereto and Wilmington Trust, National Association, as trustee and collateral agent, filed as Exhibit 4.1 to the Company’s Form 8-K dated March 13, 2025, is hereby incorporated by reference.

Exhibit 4.1 EXECUTION VERSION INDENTURE Dated as of March 12, 2025 among SPIRIT IP CAYMAN LTD. and SPIRIT LOYALTY CAYMAN Ltd., as Co-Issuers, SPIRIT AIRLINES, INC., as Parent Guarantor, THE OTHER GUARANTORS FROM TIME TO TIME PARTY HERETO and WILMINGTON TRUST, NATIONAL ASSOCIATION, as Trustee and Collateral Custodian PIK TOGGLE SENIOR SECURED NOTES DUE 2030 TABLE OF CONTENTS Page Article 1 DEFINITI

Press release, dated March 12, 2025.

Exhibit 99.1 Spirit Airlines Emerges from Financial Restructuring, Better Positioned to Advance its Transformation and Enhanced Guest Experience Exits Chapter 11 Significantly Deleveraged and With New Financing to Support Return to Profitability and Drive Toward Long-Term Success DANIA BEACH, Fla., March 12, 2025 - Spirit Aviation Holdings, Inc., parent company of Spirit Airlines, LLC, ("Spirit" o

As filed with the Securities and Exchange Commission on March 12, 2025

As filed with the Securities and Exchange Commission on March 12, 2025 Registration No.

First Supplemental Indenture, dated as of March 12, 2025, by and among Spirit IP Cayman Ltd. and Spirit Loyalty Cayman Ltd., as issuers, Spirit Aviation Holdings, Inc., as HoldCo Guarantor, and Wilmington Trust, National Association, as trustee, filed as Exhibit 4.3 to the Company’s Form 8-K dated March 13, 2025, is hereby incorporated by reference.

Exhibit 4.3 FIRST SUPPLEMENTAL INDENTURE First Supplemental Indenture (this “Supplemental Indenture”), dated as of March 12, 2025 among Spirit Aviation Holdings, Inc. (the “Guaranteeing Parent”), Spirit IP Cayman Ltd., an exempted company incorporated with limited liability in the Cayman Islands (“Brand Issuer”) and Spirit Loyalty Cayman Ltd., an exempted company incorporated with limited liabilit

As filed with the Securities and Exchange Commission on March 12, 2025

As filed with the Securities and Exchange Commission on March 12, 2025 Registration No.

GLOBAL NOTES AND STATEMENT OF LIMITATION, METHODOLOGY, AND DISCLAIMERS REGARDING THE MONTHLY OPERATING REPORT FOR DECEMBER 2024

Exhibit 99.1 UNITED STATES BANKRUPTCY COURT SOUTHERN DISTRICT OF NEW YORK In re: SPIRIT AIRLINES, INC., et al., Debtors.1 Chapter 11 Case No. 24-11988 (SHL) Jointly Administered GLOBAL NOTES AND STATEMENT OF LIMITATION, METHODOLOGY, AND DISCLAIMERS REGARDING THE MONTHLY OPERATING REPORT FOR DECEMBER 2024 Spirit Airlines, Inc. and its subsidiaries (collectively, the “Debtors”), each of which is a D

GLOBAL NOTES AND STATEMENT OF LIMITATION, METHODOLOGY, AND DISCLAIMERS REGARDING THE MONTHLY OPERATING REPORT FOR JANUARY 2025

Exhibit 99.2 UNITED STATES BANKRUPTCY COURT SOUTHERN DISTRICT OF NEW YORK In re: SPIRIT AIRLINES, INC., et al., Debtors.1 Chapter 11 Case No. 24-11988 (SHL) Jointly Administered GLOBAL NOTES AND STATEMENT OF LIMITATION, METHODOLOGY, AND DISCLAIMERS REGARDING THE MONTHLY OPERATING REPORT FOR JANUARY 2025 Spirit Airlines, Inc. and its subsidiaries (collectively, the “Debtors”), each of which is a De

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 10, 2025 Spirit Airlines, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction (Commission (IRS Employer of inc

As filed with the Securities and Exchange Commission on March 3, 2025

As filed with the Securities and Exchange Commission on March 3, 2025 Registration No.

Term Sheet, dated as of October 18, 2024, by and between Spirit Airlines, Inc. and GA Telesis, LLC.

Exhibit 10.70 Execution Form Confidential 1850 NW 49th Street Fort Lauderdale, FL 33309 Tel: [***] Fax: [***] THE USE OF THE FOLLOWING NOTATION IN THIS EXHIBIT INDICATES THAT THE CONFIDENTIAL PORTION HAS BEEN OMITTED PURSUANT TO ITEM 601(b)(10)(iv) WHEREBY CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF P

Letter Agreement (2024-3), dated as of October 11, 2024, by and between Spirit Airlines, Inc. and U.S. Bank National Association

Exhibit 10.69 LETTER AGREEMENT (2024-3) THIS LETTER AGREEMENT (2024-3) (this "Agreement") is entered into as of the last date set forth on the signature page hereto, by and between Spirit Airlines, Inc., a company organized under the laws of the State of Delaware ("Carrier"), and U.S. Bank National Association, as Member and Servicer ("Bank"). RECITALS A. Bank and Carrier are parties to a Signator

Brief Description of all Securities Registered under Section 12 of the Exchange Act.

Exhibit 4.67 BRIEF DESCRIPTION OF ALL SECURITIES REGISTERED UNDER SECTION 12 OF THE EXCHANGE ACT General As of February 19, 2025, there were 111,661,332 shares of our voting common stock issued, 109,525,063 shares of our voting common stock outstanding and no shares of our non-voting common stock issued and outstanding. Our current amended and restated certificate of incorporation authorizes us to

Aircraft Sale and Purchase Agreement (Spirit-GAT 2024), dated as of October 29, 2024, by and between Spirit Airlines, Inc. and GA Telesis, LLC.

Exhibit 10.71 EXECUTION COPY THE USE OF THE FOLLOWING NOTATION IN THIS EXHIBIT INDICATES THAT THE CONFIDENTIAL PORTION HAS BEEN OMITTED PURSUANT TO ITEM 601(b)(10)(iv) WHEREBY CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED: [***] AIRCRAFT SALE AND PURCHASE AGREEMENT (SPIRIT-GAT 2024) d

Insider Trading Compliance Program of Spirit Airlines, Inc.

Exhibit 19.1 INSIDER TRADING COMPLIANCE PROGRAM OF SPIRIT AIRLINES, INC. This Insider Trading Compliance Program (the “Program”) consists of four sections: Section I provides an overview; Section II sets forth the policies of Spirit Airlines, Inc. (the “Company”) prohibiting insider trading; Section III explains insider trading; and Section IV consists of various procedures which have been put in

Subsidiaries of the Registrant.

Exhibit 21.1 SPIRIT AIRLINES, INC. SUBSIDIARIES OF THE REGISTRANT Name of Subsidiary Incorporated Spirit Finance Cayman 1 Ltd Cayman Islands Spirit Finance Cayman 2 Ltd Cayman Islands Spirit IP Cayman Ltd Cayman Islands Spirit Loyalty Cayman Ltd Cayman Islands

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 001-35186 Spirit Airlines, I

Second Supplemental Indenture, dated as of November 25, 2024, among Spirit IP Cayman Ltd., Spirit Loyalty Cayman Ltd., the guarantors named therein and Wilmington Trust, National Association, as trustee

Exhibit 4.68 SECOND SUPPLEMENTAL INDENTURE Second Supplemental Indenture (this “Supplemental Indenture”), dated as of November 25, 2024, among (i) Spirit IP Cayman Ltd. (“Brand Issuer”) and Spirit Loyalty Cayman Ltd. (“Loyalty Issuer” together with Brand Issuer, the “Co-Issuers”), (ii) Spirit Airlines, Inc., Spirit Finance Cayman 1 Ltd. and Spirit Finance Cayman 2 Ltd. (collectively, the “Guaranto

Spirit Airlines, Inc. Dodd-Frank Clawback Policy

Exhibit 97.1 SPIRIT AIRLINES, INC. Dodd-Frank Clawback Policy The Board of Directors (the “Board”) of Spirit Airlines, Inc., a Delaware corporation (the “Company”) believes that it is in the best interests of the Company and its shareholders to adopt this Dodd-Frank Clawback Policy (the “Policy”), which provides for the recovery of certain incentive compensation in the event of an Accounting Resta

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 20, 2025 Spirit Airlines

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 20, 2025 Spirit Airlines, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction (Commission (IRS Employer of

Order Confirming the First Amended Joint Chapter 11 Plan of Reorganization of Spirit Airlines, Inc. and its Debtor Affiliates (incorporated by reference to Exhibit 2.1 to Former Spirit’s Current Report on Form 8-K filed with the SEC on February 21, 2025).

Exhibit 2.1 UNITED STATES BANKRUPTCY COURT SOUTHERN DISTRICT OF NEW YORK In re: SPIRIT AIRLINES, INC., et al., Debtors.1 Chapter 11 Case No. 24-11988 (SHL) Jointly Administered FINDINGS OF FACT, CONCLUSIONS OF LAW, AND ORDER (I) CONFIRMING THE FIRST AMENDED JOINT CHAPTER 11 PLAN OF REORGANIZATION OF SPIRIT AIRLINES, INC. AND ITS DEBTOR AFFILIATES AND (II) APPROVING THE DISCLOSURE STATEMENT ON A FI

Spirit Airlines Receives Court Confirmation of Reorganization Plan Broad Support from Supermajority of Spirit's Loyalty and Convertible Bondholders Expects to Emerge from Restructuring in the Coming Weeks Positioned for Success

Exhibit 99.1 Spirit Airlines Receives Court Confirmation of Reorganization Plan Broad Support from Supermajority of Spirit's Loyalty and Convertible Bondholders Expects to Emerge from Restructuring in the Coming Weeks Positioned for Success DANIA BEACH, Fla., Feb. 20, 2025 - Spirit Airlines, Inc. ("Spirit" or the "Company") today announced the Company’s Plan of Reorganization (“the Plan”) was conf

Spirit Airlines Proceeds With Standalone Recapitalization; Rejects Most Recent Proposal from Frontier

Exhibit 99.1 Spirit Airlines Proceeds With Standalone Recapitalization; Rejects Most Recent Proposal from Frontier DANIA BEACH, Fla., Feb. 11, 2025 - Spirit Airlines, Inc. ("Spirit" or the "Company") today provided an update on its restructuring process regarding a new proposal (the “New Proposal”) for an alternative restructuring plan submitted by Frontier Group Holdings, Inc. ("Frontier"), the p

Link, Brian

Exhibit 99.2 From: Link, Brian Sent: Tuesday, February 4, 2025 8:43 PM To: Diego Simonian >; Bruce Mendelsohn Cc: Grier, John F >; Patel, Sagar1 > Subject: Follow-up On behalf of Frontier Group Holdings, Inc. (“Frontier”), please find below key terms of Frontier’s revised proposal (“Revised Proposal”). Also attached is a summary capitalization schedule and term sheet for the proposed “take-back” d

Transaction Proposal

Exhibit 99.7 Transaction Proposal Frontier (2/4) Spirit (2/7) Frontier (2/9) Structure · Frontier and Spirit to combine · Frontier to raise $800 million new money first lien debt · New $400 million revolver to be issued at close · Agreed · Agreed · Agreed · Agreed · Agreed · Agreed Debt Consideration · Spirit and its stakeholders to receive $400 million second lien debt · Spirit and its stakeholde

Presentation to Spirit Alternative Proposal February 4, 2025 | Strictly private and confidential

Exhibit 99.3 Presentation to Spirit Alternative Proposal February 4, 2025 | Strictly private and confidential 2 Illustrative Capitalization Excluding $350mm Equity Rights Offering S o u r ce : Notes: Falcon Management, Spirit Disclosure Statement (Chapter 11 Plan of Reorganization), filed as of December 18, 2024. Based on $600mm of run - rate synergies. $ 400 Sources New 2nd Lien Term B / Bond ("t

1

Exhibit 99.4 From: Ted Christie Date: February 7, 2025 at 2:24:19 PM MST To: Bill Franke , Andrew Broderick , Brian Franke Cc: Thomas Canfield > Subject: Counter Bill: Thank you again for your constructive proposal earlier this week. We very much appreciate the move, and have worked diligently to re-restrict our key stakeholders and coordinate with them on a counterproposal (including multiple cal

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 12, 2025 (February 11, 2

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 12, 2025 (February 11, 2025) Spirit Airlines, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction (Commissi

Privileged and Confidential – Subject to NDA Prepared at the Direction of Counsel Subject to FRE 408 and State Equivalents 1 Project Galaxy Transaction Proposal February 7, 2025 Privileged and Confidential – Subject to NDA Prepared at the Direction o

Exhibit 99.5 Privileged and Confidential – Subject to NDA Prepared at the Direction of Counsel Subject to FRE 408 and State Equivalents 1 Project Galaxy Transaction Proposal February 7, 2025 Privileged and Confidential – Subject to NDA Prepared at the Direction of Counsel Subject to FRE 408 and State Equivalents Privileged and Confidential – Subject to NDA Prepared at the Direction of Counsel Subj

"Biffle, Barry"

Exhibit 99.6 From: "Biffle, Barry" > Date: February 10, 2025 at 3:03:43 PM MST To: Ted Christie <> Subject: Update Dear Ted, Dear Ted, Attached is in response to your email dated 2/07/2025. As we advised you when we sent our last proposal, eliminating the $350 million equity rights offering was a significant concession and we would not agree to materially alter any of the other commercial terms of

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 6, 2025 Spirit Airlines, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction (Commission (IRS Employer of i

January 2025 Presentation to Spirit

Exhibit 99.4 January 2025 Presentation to Spirit Frontier’s proposal ensures superior economics, certainty, and speed for Spirit’s stakeholders relative to the Spirit standalone plan Stronger, More Competitive Airline » Transaction with Frontier creates America’s first low - cost carrier with sufficient scale to compete with the Big Four » Complementary networks bring more low fares to more market

2

Exhibit 99.8 CONFIDENTIAL Frontier Group Holdings, Inc. 4545 Airport Way Denver, Colorado 80239 Attn: Mr. W. Franke, Mr. B. Biffle January 28, 2025 Gentlemen: Thank you again for your proposal letter dated January 7, 2025 (the “Proposal”), and for engaging with us and with our stakeholders. As we have previously told you, we are always, and remain, open to executable ideas and proposals that maxim

From: Grier, John F Sent: Friday, January 24, 2025 6:33:35 PM To: Whatley, Mark Cc: Adavikolanu, Rohith Subject: [EXTERNAL] FW: Top Gun response to Whatley PLEASE BE CAUTIOUS: This email originated from outside of Evercore. Do not click links or open

Exhibit 99.5 From: Grier, John F Sent: Friday, January 24, 2025 6:33:35 PM To: Whatley, Mark Cc: Adavikolanu, Rohith Subject: [EXTERNAL] FW: Top Gun response to Whatley PLEASE BE CAUTIOUS: This email originated from outside of Evercore. Do not click links or open attachments unless you recognize the sender and know the content is safe. Mark, I asked Barry and Bill to address some of the questions

January 2025 Presentation to Spirit

Exhibit 99.7 January 2025 Presentation to Spirit 2 Confidential and proprietary Frontier’s proposal ensures superior economics, certainty, and speed for Spirit’s stakeholders relative to the Spirit standalone plan Stronger, More Competitive Airline » Transaction with Frontier creates America’s first low - cost carrier with sufficient scale to compete with the Big Four » Complementary networks brin

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 29, 2025 Spirit Airlines,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 29, 2025 Spirit Airlines, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction (Commission (IRS Employer of i

1 From: Bill Franke Sent: Tuesday, January 28, 2025 4:39 PM < >; To: Mac Gardner - Spirit Airlines Subject: Confidential Dear Mr. Gardner and Mr. Christie: As has been confirmed in our discussions with you and your advisors, both parties agree there

Exhibit 99.6 1 From: Bill Franke Sent: Tuesday, January 28, 2025 4:39 PM < >; To: Mac Gardner - Spirit Airlines Subject: Confidential Dear Mr. Gardner and Mr. Christie: As has been confirmed in our discussions with you and your advisors, both parties agree there is compelling industrial logic to the combination of our two companies. To that end, we have proposed to you a transaction, as previously

Frontier Airlines, Inc. 4545 Airport Way Denver. Colorado 80239 FRONTIER Confidential Mr. H. McIntyre Gardner Chairman of the Board Mr. Edward M. Christie III President and Chief Executive Officer Spirit Airlines, Inc. 1731 Raruant Drive Dania Beach,

Exhibit 99.1 Frontier Airlines, Inc. 4545 Airport Way Denver. Colorado 80239 FRONTIER Confidential Mr. H. McIntyre Gardner Chairman of the Board Mr. Edward M. Christie III President and Chief Executive Officer Spirit Airlines, Inc. 1731 Raruant Drive Dania Beach, FL 33004 January 7, 2025 Dear Mr. Gardner and Mr. Christie: On behalf of Frontier Group Holdings, Inc. ("Frontier"), we are pleased to s

CONFIDENTIAL Frontier Group Holdings, Inc. 4545 Airport Way Denver, Colorado 80239 Attn: Mr. W. Franke, Mr. B. Biffle January 11, 2025 Gentlemen: Thank you for your letter dated January 7, 2025. We are of course always exploring and open to ideas and

Exhibit 99.2 CONFIDENTIAL Frontier Group Holdings, Inc. 4545 Airport Way Denver, Colorado 80239 Attn: Mr. W. Franke, Mr. B. Biffle January 11, 2025 Gentlemen: Thank you for your letter dated January 7, 2025. We are of course always exploring and open to ideas and proposals that maximize value for our Company and its stakeholders, and we share your view that a combination of our two companies has l

Fro ntier Airimes. Inc 4545 Airport ·v \ 1 ೦ :':,, Den \ /er. Colorado 802: ೦ ,;. ೦ FRONTIER Confidential Mr. H. McIntyre Gardner Chairman of the Board Mr. Edward M. Christie III President and Chief Executive Officer Spirit Airlines, Inc. 1731 Radian

Exhibit 99.3 Fro ntier Airimes. Inc 4545 Airport ·v \ 1 ೦ :':,, Den \ /er. Colorado 802: ೦ ,;. ೦ FRONTIER Confidential Mr. H. McIntyre Gardner Chairman of the Board Mr. Edward M. Christie III President and Chief Executive Officer Spirit Airlines, Inc. 1731 Radiant Drive Dania Beach. FL 33004 January 16, 2025 Dear Mr. Gardner and Mr. Christie: In response to your letter dated January 11, 2025, it a

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 23, 2025 Spirit Airlines, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction (Commission (IRS Employer of i

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 21, 2025 Spirit Airlines, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction (Commission (IRS Employer of i

Superpriority Secured Debtor In Possession Term Loan Credit and Note Purchase Agreement, dated December 23, 2024, among Spirit Airlines, Inc., Wilmington Savings Fund Society, FSB, as administrative agent and collateral agent and the creditors from time to time party thereto.

Exhibit 10.2 SUPERPRIORITY SECURED DEBTOR IN POSSESSION TERM LOAN CREDIT AND NOTE PURCHASE AGREEMENT Dated as of December 23, 2024 among SPIRIT AIRLINES, INC., a Debtor and Debtor in Possession under chapter 11 of the Bankruptcy Code, as the Borrower, WILMINGTON SAVINGS FUND SOCIETY, FSB, as Administrative Agent and Collateral Agent, and THE DIP CREDITORS FROM TIME TO TIME PARTY HERETO TABLE OF CO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 16, 2025 (December 23, 20

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 16, 2025 (December 23, 2024) Spirit Airlines, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction (Commissio

Commitment Letter, dated as of January 14, 2025, among Spirit Airlines, Inc. and the other parties thereto.

CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY [***], HAS BEEN OMITTED BECAUSE IT IS NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM IF PUBLICLY DISCLOSED Exhibit 10.

GLOBAL NOTES AND STATEMENT OF LIMITATION, METHODOLOGY, AND DISCLAIMERS REGARDING THE MONTHLY OPERATING REPORT FOR NOVEMBER 2024

Exhibit 99.1 UNITED STATES BANKRUPTCY COURT SOUTHERN DISTRICT OF NEW YORK In re: SPIRIT AIRLINES, INC., et al., Debtors.1 Chapter 11 Case No. 24-11988 (SHL) Jointly Administered GLOBAL NOTES AND STATEMENT OF LIMITATION, METHODOLOGY, AND DISCLAIMERS REGARDING THE MONTHLY OPERATING REPORT FOR NOVEMBER 2024 Spirit Airlines, Inc. and its subsidiaries (collectively, the “Debtors”), each of which is a D

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 30, 2024 Spirit Airlines, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction (Commission (IRS Employer of

SAVE / Spirit Airlines, Inc. / ETF Series Solutions - SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Spirit Airlines, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 848577102 (CUSIP Number) (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) November 30, 2024 (Date of Event which Requires Fil

EX-99.25

NOTIFICATION OF THE REMOVAL FROM LISTING AND REGISTRATION OF THE STATED SECURITIES The New York Stock Exchange (the 'NYSE' or the 'Exchange') hereby notifies the Securities and Exchange Commission (the 'Commission') of its intention to remove the Common Stock of Spirit Airlines, Inc.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 27, 2024 (November 25, 2

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 27, 2024 (November 25, 2024) Spirit Airlines, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction (Commissi

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 26, 2024 (November 25, 2024) Spirit Airlines, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction (Commissi

Amendment No. 8, dated as of July 30, 2024, together with the Second Amended and Restated Letter Agreement No. 8, dated July 30, 2024, and Letter Agreement No. 10, dated as of July 30, 2024, filed as Exhibit 10.4 to the Company’s Form 10-Q dated November 25, 2024,

Exhibit 10.4 CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT THAT IS MARKED BY [***] HAS BEEN OMITTED BECAUSE IT IS NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. AMENDMENT NO. 8 TO THE A320 NEO FAMILY PURCHASE AGREEMENT Dated as of December 20, 2019 BETWEEN AIRBUS S.A.S. AND SPIRIT AIRLINES, INC. This Amendment No. 8 to the A320 NEO Family Purchase Agreeme

Letter Agreement (2024-1), dated as of July 2, 2024, by and between Spirit Airlines, Inc. and U.S. Bank National Association, filed as Exhibit 10.3 to the Company’s Form 10-Q dated November 25, 2024, is hereby incorporated by reference.

Exhibit 10.3 CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT THAT IS MARKED BY [***] HAS BEEN OMITTED BECAUSE IT IS NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. LETTER AGREEMENT (2024-1) THIS LETTER AGREEMENT (2024-1) (this "Agreement") is entered into as of the last date set forth on the signature page hereto, by and between Spirit Airlines, Inc., a comp

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-35186 SPIRI

Fourth Amendment to Credit and Guarantee Agreement, dated as of July 2, 2024, between Spirit Airlines, Inc., Wilmington Trust, National Association, as collateral agent, Citibank, N.A., as administrative agent and issuing lender, and the lenders party thereto.

Exhibit 10.2 CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT THAT IS MARKED BY [***] HAS BEEN OMITTED BECAUSE IT IS NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. FOURTH AMENDMENT TO CREDIT AND GUARANTY AGREEMENT FOURTH AMENDMENT TO CREDIT AND GUARANTY AGREEMENT (this “Fourth Amendment”), dated as of July 2, 2024, between SPIRIT AIRLINES, INC., a Delaware c

Amendment No. 2 to the A320 Family Purchase Agreement Letter Agreement, dated as of July 30, 2024.

Exhibit 10.5 CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT THAT IS MARKED BY [***] HAS BEEN OMITTED BECAUSE IT IS NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. AMENDMENT NO. 2 to the A320 Family [***] Letter Agreement dated as of 20th December 2019 This Amendment No. 2 to the A320 Family [***]Letter Agreement, dated as of July , 2024 (this “Amendment”) i

Letter Agreement (2024-2), dated as of September 9, 2024, by and between Spirit Airlines, Inc. and U.S. Bank National Association filed as Exhibit 10.6 to the Company’s Form 10-Q dated November 25, 2024, is hereby incorporated by reference.

Exhibit 10.6 LETTER AGREEMENT (2024-2) THIS LETTER AGREEMENT (2024-2) (this "Agreement") is entered into as of the last date set forth on the signature page hereto, by and between Spirit Airlines, Inc., a company organized under the laws of the State of Delaware ("Carrier"), and U.S. Bank National Association, as Member and Servicer ("Bank"). RECITALS A.Bank and Carrier are parties to a Signatory

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 20, 2024 (November 18, 2024) Spirit Airlines, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction (Commissi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 19, 2024 Spirit Airlines

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 19, 2024 Spirit Airlines, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction (Commission (IRS Employer of

Backstop Commitment Agreement, dated as of November 18, 2024, by and among Spirit Airlines, Inc., certain of its subsidiaries and the Backstop Commitment Parties (as defined therein), filed as Exhibit 10.2 to the Company’s Form 8-K filed November 18, 2024, is hereby incorporated by reference.

Exhibit 10.2 BACKSTOP COMMITMENT AGREEMENT BY AND AMONG SPIRIT AIRLINES INC. THE OTHER DEBTORS PARTY HERETO AND THE BACKSTOP COMMITMENT PARTIES PARTY HERETO Dated as of November 18, 2024 TABLE OF CONTENTS Page Article I DEFINITIONS 2 Section 1.1 Definitions 2 Section 1.2 Construction 22 Section 1.3 Consent Rights under the Restructuring Support Agreement. 23 Article II RIGHTS OFFERING BACKSTOP COM

Form of Retention Agreement, dated as of November 12, 2024, by and among Spirit Airlines and a named executive officer of the Company, filed as Exhibit 10.

Exhibit 10.4 Spirit Airlines, Inc. 2800 Executive Way Miramar, Florida 33025 November [DATE], 2024 [NAME] Via E-mail Re: Retention Award Agreement Dear [NAME]: This letter agreement (this “Agreement”) between you and Spirit Airlines, Inc. (together with its subsidiaries, the “Company”) sets forth the terms of your retention award. As you know, we consider your continued service and dedication to t

1 Cleansing Materials November 18, 2024

Exhibit 99.2 1 Cleansing Materials November 18, 2024 2 Disc l aimer By attending this presentation or otherwise viewing this presentation, or by reading the presentation slides or by accepting delivery of this document, you agree to be bound by the following limitations. This document andthe information contained herein (the “Material”) are being made available on a strictly confidentialbasis in a

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 18, 2024 (November 12, 2

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 18, 2024 (November 12, 2024) Spirit Airlines, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction (Commissi

Spirit Airlines Announces Comprehensive Agreement to Deleverage Balance Sheet and Position the Company for Long-Term Success as a Leading Low-Fare Carrier Flights, Ticket Sales, Reservations and All Other Operations Continue as Normal Restructuring S

Exhibit 99.1 Spirit Airlines Announces Comprehensive Agreement to Deleverage Balance Sheet and Position the Company for Long-Term Success as a Leading Low-Fare Carrier Flights, Ticket Sales, Reservations and All Other Operations Continue as Normal Restructuring Support Agreement Already Signed by a Supermajority of Spirit’s Bondholders  Voluntary Prearranged Chapter 11 Proceedings Commenced to Imp

Debtor-in-Possession Term Sheet, filed as Exhibit 10.3 to the Company’s Form 8-K filed November 18, 2024, is hereby incorporated by reference.

Exhibit 10.3 Senior Secured Debtor in Possession Facility Summary of Terms and Conditions1 Set forth below is a summary of the principal terms and conditions for the DIP Facility (as defined herein). This summary of terms and conditions (together with all annexes, exhibits, and schedules attached hereto, as may be amended, amended and restated, supplemented or otherwise modified from time to time,

Restructuring Support Agreement, dated as of November 18, 2024, by and among Spirit Airlines, Inc., certain of its subsidiaries and the Consenting Stakeholders (as defined therein), filed as Exhibit 10.1 to the Company’s Form 8-K filed November 18, 2024, is hereby incorporated by reference.

Exhibit 10.1 THIS RESTRUCTURING SUPPORT AGREEMENT IS NOT AN OFFER OR ACCEPTANCE WITH RESPECT TO ANY SECURITIES OR A SOLICITATION OF ACCEPTANCES OF A CHAPTER 11 PLAN WITHIN THE MEANING OF SECTION 1125 OF THE BANKRUPTCY CODE. ANY SUCH OFFER OR SOLICITATION WILL COMPLY WITH ALL APPLICABLE SECURITIES LAWS AND/OR PROVISIONS OF THE BANKRUPTCY CODE. Nothing contained in thIS RESTRUCTURING SUPPORT AGREEME

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one):  ☐ Form 10-K  ☐ Form 20-F  ☐ Form 11-K  ☒ Form 10-Q ☐ Form 10-D  ☐ Form N-CEN  ☐ Form N-CSR For Period Ended: September 30, 202

NT 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one):  ☐ Form 10-K  ☐ Form 20-F  ☐ Form 11-K  ☒ Form 10-Q ☐ Form 10-D  ☐ Form N-CEN  ☐ Form N-CSR For Period Ended: September 30, 2024 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q For the Transition Period Ended:            Nothing in this form shall be construed to imply that the Commission has verified any information contained herein If the notification relates to a portion of the filing checked above, identify the item(s) to which the notification relates:   PART I — REGISTRANT INFORMATION Spirit Airlines, Inc.

Exhibit 99.1 Spirit Airlines Files Form 12b-25 DANIA BEACH, Fla., Nov. 12, 2024 /PRNewswire/ -- Spirit Airlines, Inc. ("Spirit" or the "Company") (NYSE: SAVE) today announced that it had filed a Form 12b-25 with the Securities and Exchange Commission

pressreleasedatednovembe Exhibit 99.1 Spirit Airlines Files Form 12b-25 DANIA BEACH, Fla., Nov. 12, 2024 /PRNewswire/ - Spirit Airlines, Inc. ("Spirit" or the "Company") (NYSE: SAVE) today announced that it had filed a Form 12b-25 with the Securities and Exchange Commission that is expected to be available on the SEC's EDGAR filing system on Wednesday, November 13, 2024, prior to the opening of th

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): November 13, 2024 (November 12, 2

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): November 13, 2024 (November 12, 2024) SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorp

Regulation FD Disclosure, Entry into a Material Definitive Agreement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): November 4, 2024 (October 29, 2024) Spirit Airlines, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorpor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): October 24, 2024 (October 18, 202

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): October 24, 2024 (October 18, 2024) Spirit Airlines, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorpor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): October 18, 2024 (October 11, 202

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): October 18, 2024 (October 11, 2024) Spirit Airlines, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorpor

SAVE / Spirit Airlines, Inc. / ETF Series Solutions - SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Spirit Airlines, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 848577102 (CUSIP Number) (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) September 30, 2024 (Date of Event which Requires Fi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): September 10, 2024 (September 9,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): September 10, 2024 (September 9, 2024) Spirit Airlines, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incor

Spirit Airlines Reports Second Quarter 2024 Results Ended the Second Quarter 2024 with $1.14 Billion of Liquidity

EXHIBIT 99.1 Spirit Airlines Reports Second Quarter 2024 Results Ended the Second Quarter 2024 with $1.14 Billion of Liquidity DANIA BEACH, Fla., August 1, 2024 - Spirit Airlines, Inc. ("Spirit" or the "Company") (NYSE: SAVE) today reported second quarter 2024 financial results. Second Quarter 2024 Financial Results (unaudited) As Reported Adjusted1 Total operating revenues $1,280.9 million $1,280

EXHIBIT 99.3 A319 CEO A320 CEO A320 NEO A321 CEO A321 NEO Total 19 64 84 30 8 205 1Q24 (5) — 3 — 4 2 2Q24 (5) — 4 — 4 3 3Q24 (1) — — — 7 6 4Q24 (6) — — — 5 (1) 2 64 91 30 28 215 1Q25 — — — — 4 4 2Q25 (2) — — — 1 (1) 3Q25 — — — — 1 1 4Q25 — — — — — —

fleetplan8124 EXHIBIT 99.3 A319 CEO A320 CEO A320 NEO A321 CEO A321 NEO Total 19 64 84 30 8 205 1Q24 (5) — 3 — 4 2 2Q24 (5) — 4 — 4 3 3Q24 (1) — — — 7 6 4Q24 (6) — — — 5 (1) 2 64 91 30 28 215 1Q25 — — — — 4 4 2Q25 (2) — — — 1 (1) 3Q25 — — — — 1 1 4Q25 — — — — — — — 64 91 30 34 219 — 64 91 30 34 219 Note: (1) Seat Configurations Seats 145 182/182 228/235 Spirit Airlines, Inc. Fleet Plan as of Augus

Investor Update as of August 1, 2024

EXHIBIT 99.2 Investor Update as of August 1, 2024 The third quarter and full year 2024 estimates provided below are based on the current estimates of Spirit Airlines, Inc. ("Spirit" or the "Company") and are not a guarantee of future performance. There are significant risks and uncertainties that could cause actual results to differ materially, including the risk factors discussed in the Company's

Airbus A320 NEO Family Purchase Agreement, dated as of December 20, 2019, between Airbus S.A.S. and Spirit Airlines ,Inc. as amended by Amendment No. 1 dated as of June 24, 2020, together with the amended and restated Letter Agreement No. 8, dated as of December 20, 2019, filed as Exhibit 10.1 to the Company’s Form 10-Q dated July 22, 2020 and Amendment No. 6 dated as of July 31, 2023, together with the Second Amended and Restated Letter Agreement No. 4, dated as of July 31, 2023, filed as exhibit 10.1 to the Company’s Form 10-Q dated October 26, 2023, is hereby incorporated by reference.

Exhibit 10.1 THE USE OF THE FOLLOWING NOTATION IN THIS EXHIBIT INDICATES THAT THE CONFIDENTIAL PORTION HAS BEEN OMITTED PURSUANT TO ITEM 601(b)(10)(iv) WHEREBY CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH NOT MATERIAL AND IS THE TYPE THAT THE COMPANY TREATS AS PRIVATE OR CONFIDENTIAL: [***] AMENDMENT NO. 7 TO THE A320 NEO FAMILY PURCHASE AGREEMENT Dated as of December 20, 20

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): August 1, 2024 SPIRIT AIRLINES, I

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): August 1, 2024 SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (Commission Fi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-35186 SPIRIT AIR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): July 29, 2024 SPIRIT AIRLINES, IN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): July 29, 2024 SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (Commission Fil

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): July 16, 2024 SPIRIT AIRLINES, IN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): July 16, 2024 SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (Commission Fil

Investor Update as of July 16, 2024

EXHIBIT 99.1 Investor Update as of July 16, 2024 The second quarter 2024 and full year 2024 estimates and guidance provided below are based on the current estimates of Spirit Airlines, Inc. (“Spirit” or the “Company”) and are not a guarantee of future performance. The Company’s unaudited interim condensed consolidated financial statements for the second quarter 2024 are not yet complete and result

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): July 16, 2024 (July 11, 2024) SPI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): July 16, 2024 (July 11, 2024) SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation)

Exhibit 99.1 Spirit Airlines Announces New Appointment to Board of Directors DANIA BEACH, Fla., July 16, 2024 – Spirit Airlines, Inc. ("Spirit" or the “Company”) (NYSE: SAVE) announced today that its Board of Directors has appointed Richard F. Wallma

Exhibit 99.1 Spirit Airlines Announces New Appointment to Board of Directors DANIA BEACH, Fla., July 16, 2024 – Spirit Airlines, Inc. ("Spirit" or the “Company”) (NYSE: SAVE) announced today that its Board of Directors has appointed Richard F. Wallman as its newest member, effective July 16, 2024. “We are very pleased that Richard Wallman has agreed to join our board,” said H. McIntyre “Mac” Gardn

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 9, 2024 (July 2, 2024) Spiri

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 9, 2024 (July 2, 2024) Spirit Airlines, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (

Spirit Airlines Announces Executive Leadership Updates Appoints Aviation Industry Veteran Fred Cromer as Chief Financial Officer Dana Shapir Alviene Appointed to SVP, Inflight and Airport Experience and Tomas Ranaldi Promoted to VP, Financial Plannin

EX-99.1 Exhibit 99.1 Spirit Airlines Announces Executive Leadership Updates Appoints Aviation Industry Veteran Fred Cromer as Chief Financial Officer Dana Shapir Alviene Appointed to SVP, Inflight and Airport Experience and Tomas Ranaldi Promoted to VP, Financial Planning & Analysis DANIA BEACH, Fla., July 1, 2024 – Spirit Airlines (NYSE: SAVE) today announced executive leadership updates includin

Offer Letter, dated July 1, 2024, between Spirit Airlines, Inc. and Frederick S. Cromer, filed as Exhibit 10.1 to the Company’s Form 8-K dated July 1, 2024, is hereby incorporated by reference.

Exhibit 10.1 Dear Fred Cromer, It is with great pleasure that Spirit Airlines, Inc. (“Spirit” or the “Company’’) offers you the position of Executive Vice President & Chief Financial Officer, Full-Time with a planned start date scheduled for July 8, 2024. Your position is located in Dania Point, FL. Note, this offer is contingent on passing all required Company and TSA required pre-employment back

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 1, 2024 Spirit Airlines, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (Commission File

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): June 11, 2024 (June 7, 2024) SPIR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): June 11, 2024 (June 7, 2024) SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation)

As filed with the Securities and Exchange Commission on June 11, 2024

As filed with the Securities and Exchange Commission on June 11, 2024 Registration No.

Filing Fee Table

EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) Spirit Airlines, Inc.

As filed with the Securities and Exchange Commission on June 11, 2024

As filed with the Securities and Exchange Commission on June 11, 2024 Registration No.

As filed with the Securities and Exchange Commission on June 11, 2024

As filed with the Securities and Exchange Commission on June 11, 2024 Registration No.

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) Spirit Airlines, Inc.

As filed with the Securities and Exchange Commission on June 6, 2024

As filed with the Securities and Exchange Commission on June 6, 2024 Registration No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): June 3, 2024 (May 29, 2024) SPIRI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): June 3, 2024 (May 29, 2024) SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (

Exhibit 99.1 Spirit Airlines Announces CFO Transition Appoints Brian McMenamy as Interim Chief Financial Officer Current CFO Scott Haralson to Join Larger Publicly Traded Company Outside of Airline Industry as CFO DANIA BEACH, Fla., June 3, 2024 -- S

cfotransition-pressrelea Exhibit 99.1 Spirit Airlines Announces CFO Transition Appoints Brian McMenamy as Interim Chief Financial Officer Current CFO Scott Haralson to Join Larger Publicly Traded Company Outside of Airline Industry as CFO DANIA BEACH, Fla., June 3, 2024 - Spirit Airlines (NYSE: SAVE) today announced that Brian McMenamy, Vice President and Controller, has been named as Interim Chie

Investor Update as of May 6, 2024

EXHIBIT 99.2 Investor Update as of May 6, 2024 The second quarter and full year 2024 estimates provided below are based on the current estimates of Spirit Airlines, Inc. ("Spirit" or the "Company") and are not a guarantee of future performance. There could be significant risks and uncertainties that could cause actual results to differ materially, including the risk factors discussed in the Compan

Form of Performance Share Award Grant Notice and Performance Share Award Agreement for awards under the Spirit Airlines, Inc. 2015 Incentive Award Plan.

Exhibit 10.2 SPIRIT AIRLINES, INC. 2015 INCENTIVE AWARD PLAN PERFORMANCE SHARE AWARD GRANT NOTICE AND PERFORMANCE SHARE AWARD AGREEMENT CUMULATIVE CASM OBJECTIVES SUBJECT TO EARNINGS HURDLE Spirit Airlines, Inc., a Delaware corporation (the “Company”), pursuant to its 2015 Incentive Award Plan, as amended from time to time (the “Plan”), hereby grants to the individual listed below (“Participant”),

Form of Restricted Stock Unit Award Grant Notice and Restricted Stock Unit Award Agreement for awards under the Spirit Airlines, Inc. 2015 Incentive Award Plan.

Exhibit 10.1 SPIRIT AIRLINES, INC. 2015 INCENTIVE AWARD PLAN RESTRICTED STOCK UNIT AWARD GRANT NOTICE AND RESTRICTED STOCK UNIT AWARD AGREEMENT Spirit Airlines, Inc., a Delaware corporation (the “Company”), pursuant to its 2015 Incentive Award Plan, as amended from time to time (the “Plan”), hereby grants to the individual listed below (“Participant”) an award of restricted stock units (“Restricte

PW1100 AOG Special Support Letter Agreement, dated March 26, 2024, by and between International Aero Engines, LLC and Spirit Airlines, Inc., filed as Exhibit 10.6 to the Company’s Form 10-Q dated May 3, 2024, is hereby incorporated by reference.

Exhibit 10.6 THE USE OF THE FOLLOWING NOTATION IN THIS EXHIBIT INDICATES THAT THE CONFIDENTIAL PORTION HAS BEEN OMITTED PURSUANT TO ITEM 601(b)(10)(iv) WHEREBY CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH NOT MATERIAL AND IS THE TYPE THAT THE COMPANY TREATS AS PRIVATE OR CONFIDENTIAL: [***] International Aero Engines, LLC 400 Main Street, M/S 121-10 East Hartford, CT 06118 S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): May 6, 2024 SPIRIT AIRLINES, INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): May 6, 2024 SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (Commission File

Form of Time-based Cash Award Agreement (2-year vesting) for awards under the Spirit Airlines, Inc. 2015 Incentive Award Plan.

Exhibit 10.3 TIME-BASED CASH AWARD AGREEMENT This Time-Based Cash Award Agreement (this “Agreement”), dated as of January 24, 2024 (the “Grant Date”), is entered into by and between Spirit Airlines, Inc., a Delaware corporation (the “Company”), and [] (“Participant”). AGREEMENT 1.Grant of Cash Award. In consideration of Participant’s continued employment with or service to the Company or a subsidi

Spirit Airlines Reports First Quarter 2024 Results Strategic and tactical changes benefiting unit revenue Expect cost saving initiatives to benefit 2024 by over $75 million; annualized run-rate savings estimated at over $100 million

EXHIBIT 99.1 Spirit Airlines Reports First Quarter 2024 Results Strategic and tactical changes benefiting unit revenue Expect cost saving initiatives to benefit 2024 by over $75 million; annualized run-rate savings estimated at over $100 million DANIA BEACH, Fla., May 6, 2024 - Spirit Airlines, Inc. ("Spirit" or the "Company") (NYSE: SAVE) today reported first quarter 2024 financial results. First

EXHIBIT 99.3 A319 CEO A320 CEO A320 NEO A321 CEO A321 NEO Total 19 64 84 30 8 205 1Q24 (5) — 3 — 4 2 2Q24 (5) — 4 — 4 3 3Q24 (1) — — — 8 7 4Q24 (6) — — — 4 (2) 2 64 91 30 28 215 1Q25 — — — — 4 4 2Q25 (2) — — — 1 (1) 3Q25 — — — — 1 1 4Q25 — — — — — —

fleetplanasofmay62024a01 EXHIBIT 99.3 A319 CEO A320 CEO A320 NEO A321 CEO A321 NEO Total 19 64 84 30 8 205 1Q24 (5) — 3 — 4 2 2Q24 (5) — 4 — 4 3 3Q24 (1) — — — 8 7 4Q24 (6) — — — 4 (2) 2 64 91 30 28 215 1Q25 — — — — 4 4 2Q25 (2) — — — 1 (1) 3Q25 — — — — 1 1 4Q25 — — — — — — — 64 91 30 34 219 — 64 91 30 34 219 Note: (1) Seat Configurations Seats 145 182/182 228/235 Spirit Airlines, Inc. Fleet Plan

Form of Time-based Cash Award Agreement (3-year vesting) for awards under the Spirit Airlines, Inc. 2015 Incentive Award Plan.

Exhibit 10.4 TIME-BASED CASH AWARD AGREEMENT This Time-Based Cash Award Agreement (this “Agreement”), dated as of January 24, 2024 (the “Grant Date”), is entered into by and between Spirit Airlines, Inc., a Delaware corporation (the “Company”), and [] (“Participant”). AGREEMENT 1.Grant of Cash Award. In consideration of Participant’s continued employment with or service to the Company or a subsidi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-35186 SPIRIT AI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant   ☒         Filed by a party other than the Registrant   ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant  ☒        Filed by a party other than the Registrant  ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Pr

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): April 19, 2024 ( April 18, 2024) SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporati

Investor Update as of April 15, 2024

EXHIBIT 99.1 Investor Update as of April 15, 2024 The first quarter 2024 and full year 2024 estimates and guidance provided below are based on Spirit Airlines, Inc.’s (“Spirit” or the “Company”) current estimates and are not a guarantee of future performance. The Company’s unaudited interim consolidated financial statements for the first quarter 2024 are not yet complete and results for first quar

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): April 15, 2024 SPIRIT AIRLINES, I

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): April 15, 2024 SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (Commission Fi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): April 15, 2024 SPIRIT AIRLINES,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): April 15, 2024 SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (Commission

Investor Update as of April 15, 2024

EXHIBIT 99.1 Investor Update as of April 15, 2024 The first quarter 2024 and full year 2024 estimates and guidance provided below are based on Spirit Airlines, Inc.’s (“Spirit” or the “Company”) current estimates and are not a guarantee of future performance. The Company’s unaudited interim consolidated financial statements for the first quarter 2024 are not yet complete and results for first quar

Exhibit 99.1 Spirit Airlines Announces Deferral of Airbus Aircraft Deliveries MIRAMAR, Fla., April 8, 2024 – Spirit Airlines, Inc. ("Spirit" or the “Company”) (NYSE: SAVE) today announced that it reached an agreement with Airbus to defer all aircraft

pressrelease4824 Exhibit 99.1 Spirit Airlines Announces Deferral of Airbus Aircraft Deliveries MIRAMAR, Fla., April 8, 2024 – Spirit Airlines, Inc. ("Spirit" or the “Company”) (NYSE: SAVE) today announced that it reached an agreement with Airbus to defer all aircraft on order that are scheduled to be delivered in the second quarter of 2025 through the end of 2026 to 2030-2031. These deferrals do n

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): April 8, 2024 (April 3, 2024) SPI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): April 8, 2024 (April 3, 2024) SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): March 29, 2024 (March 26, 2024) S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): March 29, 2024 (March 26, 2024) SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporatio

Exhibit 99.1 Spirit Announces Termination of Merger Agreement with JetBlue MIRAMAR, Fla., March 4, 2024 – Spirit Airlines, Inc. (“Spirit”) (NYSE: SAVE) today announced that its merger agreement with JetBlue Airways Corporation has been terminated by

Exhibit 99.1 Spirit Announces Termination of Merger Agreement with JetBlue MIRAMAR, Fla., March 4, 2024 – Spirit Airlines, Inc. (“Spirit”) (NYSE: SAVE) today announced that its merger agreement with JetBlue Airways Corporation has been terminated by mutual agreement. “After discussing our options with our advisors and JetBlue, we concluded that current regulatory obstacles will not permit us to cl

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported) March 4, 2024 (March 1, 2024) SPIR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported) March 4, 2024 (March 1, 2024) SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation)

Termination Agreement, dated March 1, 2024, by and among JetBlue Airways Corporation, Sundown Acquisition Corp. and Spirit Airlines, Inc, filed as Exhibit 10.1 to the Company’s Form 8-K dated March 4, 2024, is hereby incorporated by reference.

Exhibit 10.1 EXECUTION COPY TERMINATION AGREEMENT THIS TERMINATION AGREEMENT (this “Agreement”) is entered into effective as of March 1, 2024, by and among JetBlue Airways Corporation, a Delaware corporation (“Parent”), Sundown Acquisition Corp., a Delaware corporation and a direct wholly owned Subsidiary of Parent (“Merger Sub”), and Spirit Airlines, Inc., a Delaware corporation (the “Company” an

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): February 22, 2024 SPIRIT AIRLINES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): February 22, 2024 SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (Commission

SAVE / Spirit Airlines, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 10)* Name of issuer: Spirit Airlines Inc Title of Class of Securities: Common Stock CUSIP Number: 848577102 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

V2500 General Terms of Sale, dated as of October 1, 2013, by and between Spirit Airlines, Inc. and IAE International Aero Engines AG, as supplemented by Side Letter No. 1 dated as of October 1, 2013 and Side Letter No. 2 dated as of October 1, 201

Exhibit 10.47 THE USE OF THE FOLLOWING NOTATION IN THIS EXHIBIT INDICATES THAT THE CONFIDENTIAL PORTION HAS BEEN OMITTED PURSUANT TO ITEM 601(b)(10)(iv) WHEREBY CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED: [***] EXECUTION VERSION V2500® GENERAL TERMS OF SALE BETWEEN IAE INTERNATIONA

Airbus A320 NEO Family Purchase Agreement, dated as of December 20, 2019, between Airbus S.A.S. and Spirit Airlines ,Inc

Exhibit 10.44 THE USE OF THE FOLLOWING NOTATION IN THIS EXHIBIT INDICATES THAT THE CONFIDENTIAL PORTION HAS BEEN OMITTED PURSUANT TO ITEM 601(b)(10)(iv) WHEREBY CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED: [***] A320 NEO FAMILY P U R C H A S E A G R E E M E N T B E T W E E N A I R B

Terms and Conditions for Worldwide Acceptance of the American Express Card by Airlines, dated September 4, 1998, between Spirit Airlines, Inc. and American Express Travel Related Services Company, Inc., as amended January 1, 2003 and August 28, 200

Exhibit 10.52 THE USE OF THE FOLLOWING NOTATION IN THIS EXHIBIT INDICATES THAT THE CONFIDENTIAL PORTION HAS BEEN OMITTED PURSUANT TO ITEM 601(b)(10)(iv) WHEREBY CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED: [***] TERMS AND CONDITIONS FOR WORLDWIDE ACCEPTANCE OF THE AMERICAN EXPRESS C

Brief Description of all Securities Registered under Section 12 of the Exchange Act.

Exhibit 4.67 BRIEF DESCRIPTION OF ALL SECURITIES REGISTERED UNDER SECTION 12 OF THE EXCHANGE ACT General As of February 1, 2024, there were 111,602,429 shares of our voting common stock issued, 109,477,999 shares of our voting common stock outstanding and no shares of our non-voting common stock issued and outstanding. Our amended and restated certificate of incorporation authorizes us to issue up

Spirit Airlines, Inc. Dodd-Frank Clawback Policy

Exhibit 97.3 SPIRIT AIRLINES, INC. Dodd-Frank Clawback Policy The Board of Directors (the “Board”) of Spirit Airlines, Inc., a Delaware corporation (the “Company”) believes that it is in the best interests of the Company and its shareholders to adopt this Dodd-Frank Clawback Policy (the “Policy”), which provides for the recovery of certain incentive compensation in the event of an Accounting Resta

Calculation of Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-3 (Form Type) Spirit Airlines, Inc.

Warrants to Purchase 899,560 Shares of Common Stock 899,560 Shares of Common Stock Underlying the Warrants Spirit Airlines, Inc.

424B7 Table of Contents Filed pursuant to 424(b)(7) Registration No. 333-276992 PROSPECTUS SUPPLEMENT (To Prospectus dated February 9, 2024) Warrants to Purchase 899,560 Shares of Common Stock 899,560 Shares of Common Stock Underlying the Warrants Spirit Airlines, Inc. From time to time, the United States Department of the Treasury (together with its permitted assignees, the “U.S. Treasury” and, c

As filed with the Securities and Exchange Commission on February 9, 2024

As filed with the Securities and Exchange Commission on February 9, 2024 Registration No.

Subsidiaries of the Registrant.

Exhibit 21 SPIRIT AIRLINES, INC. SUBSIDIARIES OF THE REGISTRANT Name of Subsidiary Incorporated Spirit Finance Cayman 1 Ltd Cayman Islands Spirit Finance Cayman 2 Ltd Cayman Islands Spirit IP Cayman Ltd Cayman Islands Spirit Loyalty Cayman Ltd Cayman Islands

PurePower PW1100G Engine Purchase Support Agreement, dated as of October 1, 2013, by and between the Company and United Technologies Corporation, acting through its Pratt & Whitney Division

Exhibit 10.49 THE USE OF THE FOLLOWING NOTATION IN THIS EXHIBIT INDICATES THAT THE CONFIDENTIAL PORTION HAS BEEN OMITTED PURSUANT TO ITEM 601(b)(10)(iv) WHEREBY CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED: [***] PUREPOWER® PW1100G-JM ENGINE PURCHASE SUPPORT AGREEMENT AND PW1100G-JM

Fleet Hour Agreement, dated of as October 1, 2013, by and between Spirit Airlines, Inc. and IAE International Aero Engines AG, as supplemented by Side Letter No. 1 dated as of October 1, 20

Exhibit 10.48 THE USE OF THE FOLLOWING NOTATION IN THIS EXHIBIT INDICATES THAT THE CONFIDENTIAL PORTION HAS BEEN OMITTED PURSUANT TO ITEM 601(b)(10)(iv) WHEREBY CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED: [***] EXECUTION VERSION V-ServicesSM Fleet Hour Agreement by and between SPIR

Statement of Eligibility and Qualification on Form T-1 of the Trustee under the Trust Indenture Act of 1939 for the Pass Through Certificates.

Spirit Airlines, Inc UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

Lease, dated as of June 17, 1999, between Sunbeam Development Corporation and Spirit Airlines, Inc., as amended by Lease Modification and Contraction Agreement dated as of May 7, 200

Exhibit 10.53 THE USE OF THE FOLLOWING NOTATION IN THIS EXHIBIT INDICATES THAT THE CONFIDENTIAL PORTION HAS BEEN OMITTED PURSUANT TO ITEM 601(b)(10)(iv) WHEREBY CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED: [***] MIRAMAR PARK OF COMMERCE BUSINESS LEASE THIS LEASE, entered into this d

Signatory Agreement, dated as of May 21, 2009, between Spirit Airlines, Inc. and U.S. Bank National Association, as amended by First Amendment dated January 18, 2010

Exhibit 10.51 THE USE OF THE FOLLOWING NOTATION IN THIS EXHIBIT INDICATES THAT THE CONFIDENTIAL PORTION HAS BEEN OMITTED PURSUANT TO ITEM 601(b)(10)(iv) WHEREBY CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED: [***] SIGNATORY AGREEMENT (U.S. Transactions) [6.2.36] [U.S. Bank - Signatory

Addendum and Amendment to the Agreement Governing Acceptance of the American Express Card by Airlines, dated as of June 24, 2011, by and between Spirit Airlines, Inc. and American Express Travel Related Services Company, Inc

Exhibit 10.57 THE USE OF THE FOLLOWING NOTATION IN THIS EXHIBIT INDICATES THAT THE CONFIDENTIAL PORTION HAS BEEN OMITTED PURSUANT TO ITEM 601(b)(10)(iv) WHEREBY CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED: [***] Addendum and Amendment to the Agreement Governing Acceptance of the Ame

Calculation of Filing Fee Tables (Form Type) Spirit Airlines, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule

Exhibit 107 Calculation of Filing Fee Tables 424(b)(7) (Form Type) Spirit Airlines, Inc.

Amended and Restated Fleet Hour Agreement, dated as of October 1, 2013, by and between Spirit Airlines, Inc. and IAE International Aero Engines AG, as supplemented by Side Letter No. 1 dated as of October 1, 2013

Exhibit 10.46 THE USE OF THE FOLLOWING NOTATION IN THIS EXHIBIT INDICATES THAT THE CONFIDENTIAL PORTION HAS BEEN OMITTED PURSUANT TO ITEM 601(b)(10)(iv) WHEREBY CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED: [***] EXECUTION VERSION V-ServicesSM Fleet Hour Agreement by and between SPIR

Hosted Services Agreement, dated as of February 28, 2007, between Spirit Airlines, Inc. and Navitaire Inc., as amended by Amendment No. 1 dated as of October 23, 2007, Amendment No. 2 dated as of May 15, 2008, Amendment No. 3 dated as of November 21, 2008, Amendment No. 4 dated as of August 17, 2009 and Amendment No. 5 dated November 4, 2009

Exhibit 10.50 THE USE OF THE FOLLOWING NOTATION IN THIS EXHIBIT INDICATES THAT THE CONFIDENTIAL PORTION HAS BEEN OMITTED PURSUANT TO ITEM 601(b)(10)(iv) WHEREBY CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED: [***] NAVITAIRE HOSTED SERVICES AGREEMENT This Hosted Services Agreement (the

Lease, dated as of September 26th, 2013, between Sunbeam Development Corporation and Spirit Airlines, In

Exhibit 10.55 THE USE OF THE FOLLOWING NOTATION IN THIS EXHIBIT INDICATES THAT THE CONFIDENTIAL PORTION HAS BEEN OMITTED PURSUANT TO ITEM 601(b)(10)(iv) WHEREBY CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED: [***] Spirit Airlines, Inc. Miramar Park of Commerce BUSINESS LEASE THIS LEAS

Amendment No. 11 dated as of December 29, 2011 (as amended by Letter Agreement No. 1 dated as of December 29, 2011, Letter Agreement No. 2 dated as of December 29, 2011, Letter Agreement No. 3 dated as of December 29, 2011, Letter Agreement No. 4 dated as of December 29, 2011, Letter Agreement No. 5 dated as of December 29, 2011, Letter Agreement No. 6 dated as of December 29, 2011, Letter Agreement No. 7 dated as of December 29, 2011 and Letter Agreement No. 8 dated as of December 29, 2011);

Exhibit 10.56 THE USE OF THE FOLLOWING NOTATION IN THIS EXHIBIT INDICATES THAT THE CONFIDENTIAL PORTION HAS BEEN OMITTED PURSUANT TO ITEM 601(b)(10)(iv) WHEREBY CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED: [***] AMENDMENT NO. 11 TO THE A320 FAMILY PURCHASE AGREEMENT Dated as of May

Amended and Restated V2500 General Terms of Sale, dated as of October 1, 2013, by and between Spirit Airlines, Inc. and IAE International Aero Engines AG, as supplemented by Side Letter No. 1 dated as of October 1, 2013

Exhibit 10.45 THE USE OF THE FOLLOWING NOTATION IN THIS EXHIBIT INDICATES THAT THE CONFIDENTIAL PORTION HAS BEEN OMITTED PURSUANT TO ITEM 601(b)(10)(iv) WHEREBY CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED: [***] EXECUTION VERSION AMENDED AND RESTATED V2500® GENERAL TERMS OF SALE BET

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 001-35186 Spirit Airlines, I

Statement of Eligibility and Qualification on Form T-1 of the Trustee under the Trust Indenture Act of 1939 for the Debt Securities.

Spirit Airlines, Inc SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) WILMINGTON TRUST COMPANY (Exact name of Trustee as specified in its charter) Delaware 51-0055023 (Jurisdiction

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 9, 2024 Spirit Airlines, Inc. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (Commission

Lease Modification and Extension Agreement, dated as of September 26th, 2013, between Sunbeam Development Corporation and Spirit Airlines, I

Exhibit 10.54 THE USE OF THE FOLLOWING NOTATION IN THIS EXHIBIT INDICATES THAT THE CONFIDENTIAL PORTION HAS BEEN OMITTED PURSUANT TO ITEM 601(b)(10)(iv) WHEREBY CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED: [***] Lease Modification and Extension Agreement THIS LEASE MODIFICATION AND

Second Amendment to Signatory Agreement, effective as of September 6, 2011, by and between the Company and U.S. Bank, National Association

Exhibit 10.58 THE USE OF THE FOLLOWING NOTATION IN THIS EXHIBIT INDICATES THAT THE CONFIDENTIAL PORTION HAS BEEN OMITTED PURSUANT TO ITEM 601(b)(10)(iv) WHEREBY CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED: [***] SECOND AMENDMENT TO SIGNATORY AGREEMENT THIS SECOND AMENDMENT TO SIGNAT

Airbus A320 Family Purchase Agreement, dated as of May 5, 2004, between AVSA, S.A.R.L. and Spirit Airlines, Inc.; as amended by Amendment No. 1 dated as of December 21, 2004, Amendment No. 2 dated as of April 15, 2005, Amendment No. 3 dated as of June 30, 2005, Amendment No. 4 dated as of October 27, 2006 (as amended by Letter Agreement No. 1, dated as of October 27, 2006, to Amendment No. 4 and Letter Agreement No. 2, dated as of October 27, 2006, to Amendment No. 4), Amendment No. 5 dated as of March 5, 2007, Amendment No. 6 dated as of March 27, 2007, Amendment No. 7 dated as of June 26, 2007 (as amended by Letter Agreement No. 1, dated as of June 26, 2007, to Amendment No. 7), Amendment No. 8 dated as of February 4, 2008, Amendment No. 9 dated as of June 24, 2008 (as amended by Letter Agreement No. 1, dated as of June 24, 2008, to Amendment No. 9) and Amendment No. 10 dated July 17, 2009 (as amended by Letter Agreement No. 1, dated as of July 17, 2009, to Amendment No. 10),

Exhibit 10.56 THE USE OF THE FOLLOWING NOTATION IN THIS EXHIBIT INDICATES THAT THE CONFIDENTIAL PORTION HAS BEEN OMITTED PURSUANT TO ITEM 601(b)(10)(iv) WHEREBY CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED: [***] AIRBUS A320 FAMILY PURCHASE AGREEMENT Dated as of May 5, 2004 Between A

Investor Update as of February 8, 2024

EXHIBIT 99.2 Investor Update as of February 8, 2024 The first quarter and full year 2024 guidance items provided below are based on the Company's current estimates and are not a guarantee of future performance. There could be significant risks and uncertainties that could cause actual results to differ materially, including the risk factors discussed in the Company's reports on file with the Secur

Spirit Airlines Reports Fourth Quarter and Full Year 2023 Results

Investor Relations Contact: Investor Relations [email protected] (954) 447-7920 EXHIBIT 99.1 Spirit Airlines Reports Fourth Quarter and Full Year 2023 Results MIRAMAR, Fla., February 8, 2024 - Spirit Airlines, Inc. ("Spirit" or the "Company") (NYSE: SAVE) today reported fourth quarter and full year 2023 financial results. Fourth Quarter 2023 (unaudited) As Reported Adjusted1 Total oper

EXHIBIT 99.3 A319 CEO A320 CEO A320 NEO A321 CEO A321 NEO Total 19 64 84 30 8 205 1Q24 (7) — 3 — 4 — 2Q24 (3) — 4 — 4 5 3Q24 (1) — — — 9 8 4Q24 (6) — — — 3 (3) 2 64 91 30 28 215 1Q25 — — — — 4 4 2Q25 (2) — 2 — 5 5 3Q25 — — 2 — 3 5 4Q25 — — 2 — 3 5 —

fleetplanasoffebruary820 EXHIBIT 99.3 A319 CEO A320 CEO A320 NEO A321 CEO A321 NEO Total 19 64 84 30 8 205 1Q24 (7) — 3 — 4 — 2Q24 (3) — 4 — 4 5 3Q24 (1) — — — 9 8 4Q24 (6) — — — 3 (3) 2 64 91 30 28 215 1Q25 — — — — 4 4 2Q25 (2) — 2 — 5 5 3Q25 — — 2 — 3 5 4Q25 — — 2 — 3 5 — 64 97 30 43 234 Note: (1) Seat Configurations Seats 145 182/182 228/235 Spirit Airlines, Inc. Fleet Plan as of February 8, 20

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): February 8, 2024 SPIRIT AIRLINES,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): February 8, 2024 SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (Commission

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): January 26, 2024 SPIRIT AIRLINES,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): January 26, 2024 SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (Commission

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): January 24, 2024 SPIRIT AIRLINES,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): January 24, 2024 SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (Commission

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): January 22, 2024 (January 19, 202

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): January 22, 2024 (January 19, 2024) SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorpor

Exhibit 99.1 JetBlue and Spirit File Notice of Appeal NEW YORK & MIRAMAR, Fla.--(BUSINESS WIRE)--JetBlue Airways Corporation (“JetBlue”) (NASDAQ: JBLU) and Spirit Airlines, Inc. (“Spirit”) (NYSE: SAVE) today reported that they have jointly filed a no

a240119jointnoticeofappe Exhibit 99.1 JetBlue and Spirit File Notice of Appeal NEW YORK & MIRAMAR, Fla.-(BUSINESS WIRE)-JetBlue Airways Corporation (“JetBlue”) (NASDAQ: JBLU) and Spirit Airlines, Inc. (“Spirit”) (NYSE: SAVE) today reported that they have jointly filed a notice of appeal to the U.S. Court of Appeals for the First Circuit, consistent with the requirements of the merger agreement. Ab

Investor Update as of January 19, 2024

EXHIBIT 99.1 Investor Update as of January 19, 2024 The fourth quarter and full year 2023 estimates and first quarter 2024 guidance items provided below are based on the Company's current estimates and are not a guarantee of future performance. The Company’s unaudited interim consolidated financial statements for the fourth quarter and full year 2023 are not yet complete and results may vary from

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): January 19, 2024 (January 16, 202

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): January 19, 2024 (January 16, 2024) SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorpor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported) January 19, 2024 SPIRIT AIRLINES,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported) January 19, 2024 SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (Commission F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): January 3, 2024 SPIRIT AIRLINES,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): January 3, 2024 SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (Commission F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): December 21, 2023 SPIRIT AIRLINES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): December 21, 2023 SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (Commission

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): November 28, 2023 (November 22,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): November 28, 2023 (November 22, 2023) SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of inco

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): November 22, 2023 SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (Commission

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): November 14, 2023 SPIRIT AIRLINES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): November 14, 2023 SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (Commission

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): October 26, 2023 SPIRIT AIRLINES,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): October 26, 2023 SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (Commission

EXHIBIT 99.3 A319 CEO A320 CEO A320 NEO A321 CEO A321 NEO Total 31 64 69 30 — 194 1Q23 (4) — 5 — — 1 2Q23 (3) — 5 — 1 3 3Q23 (4) — 3 — 5 4 4Q23 (3) — 3 — 2 2 17 64 85 30 8 204 1Q24 (7) — 3 — 4 — 2Q24 (2) — 3 — 6 7 3Q24 (6) — — — 7 1 4Q24 — — — — 3 3

fleetplanasofoctober2520 EXHIBIT 99.3 A319 CEO A320 CEO A320 NEO A321 CEO A321 NEO Total 31 64 69 30 — 194 1Q23 (4) — 5 — — 1 2Q23 (3) — 5 — 1 3 3Q23 (4) — 3 — 5 4 4Q23 (3) — 3 — 2 2 17 64 85 30 8 204 1Q24 (7) — 3 — 4 — 2Q24 (2) — 3 — 6 7 3Q24 (6) — — — 7 1 4Q24 — — — — 3 3 2 64 91 30 28 215 — 64 97 30 43 234 Note: (1) Seat Configurations Seats 145 182/182 228/235 Spirit Airlines, Inc. Fleet Plan

Amendment No. 6 dated as of July 31, 2023, together with the Second Amended and Restated Letter Agreement No. 4, dated as of July 31, 2023, filed as

Exhibit 10.1 THE USE OF THE FOLLOWING NOTATION IN THIS EXHIBIT INDICATES THAT THE CONFIDENTIAL PORTION HAS BEEN OMITTED PURSUANT TO ITEM 601(b)(10)(iv) WHEREBY CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED: [***] AMENDMENT NO. 6 TO THE A320 NEO FAMILY PURCHASE AGREEMENT Dated as of De

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-35186 SPIRI

Investor Update as of October 26, 2023

EXHIBIT 99.2 Investor Update as of October 26, 2023 The fourth quarter and full year 2023 and first quarter 2024 guidance items provided below are based on the Company's current estimates and are not a guarantee of future performance. There could be significant risks and uncertainties that could cause actual results to differ materially, including the risk factors discussed in the Company's report

Spirit Airlines Reports Third Quarter 2023 Results

Spirit Airlines Reports Third Quarter 2023 Results MIRAMAR, Fla., October 26, 2023 - Spirit Airlines, Inc. ("Spirit" or the "Company") (NYSE: SAVE) today reported third quarter 2023 financial results. Third Quarter 2023 (unaudited) As Reported Adjusted1 Total operating revenues $1,258.5 million $1,258.5 million Operating income (loss) $(188.8) million $(178.6) million Operating margin (15.0)% (14.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): October 24, 2023 SPIRIT AIRLINES,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): October 24, 2023 SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (Commission

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported) October 12, 2023 SPIRIT AIRLINES,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported) October 12, 2023 SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (Commission F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): September 22, 2023 SPIRIT AIRLINE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): September 22, 2023 SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (Commissio

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported) September 12, 2023 SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (Commission

Investor Update as of September 12, 2023

EXHIBIT 99.1 Investor Update as of September 12, 2023 The third quarter 2023 guidance items provided below are based on Spirit Airlines, Inc.’s (the “Company”) current estimates and are not a guarantee of future performance. There could be significant risks and uncertainties that could cause actual results to differ materially, including the risk factors discussed in the Company's reports on file

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): August 24, 2023 SPIRIT AIRLINES,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): August 24, 2023 SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (Commission F

Investor Update as of August 3, 2023

EXHIBIT 99.2 Investor Update as of August 3, 2023 The third quarter and full year 2023 guidance items provided below are based on the Company's current estimates and are not a guarantee of future performance. There could be significant risks and uncertainties that could cause actual results to differ materially, including the risk factors discussed in the Company's reports on file with the Securit

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): August 3, 2023 SPIRIT AIRLINES, I

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): August 3, 2023 SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (Commission Fi

Spirit Airlines Reports Second Quarter 2023 Results

EXHIBIT 99.1 Spirit Airlines Reports Second Quarter 2023 Results MIRAMAR, Fla., August 3, 2023 - Spirit Airlines, Inc. ("Spirit" or the "Company") (NYSE: SAVE) today reported second quarter 2023 financial results. Second Quarter 2023 (unaudited) As Reported Adjusted1 Total operating revenues $1,432.5 million $1,432.5 million Operating income (loss) $20.2 Million $47.0 Million Operating margin 1.4%

A319 CEO A320 CEO A320 NEO A321 CEO A321 NEO Total 31 64 69 30 — 194 1Q23 (4) — 5 — — 1 2Q23 (3) — 5 — 1 3 3Q23 (4) — 3 — 5 4 4Q23 (3) — 3 — 2 2 17 64 85 30 8 204 1Q24 (7) — 3 — 4 — 2Q24 (2) — 3 — 6 7 3Q24 (6) — — — 7 1 4Q24 — — — — 3 3 2 64 91 30 28

fleetplanasofaugust32023 A319 CEO A320 CEO A320 NEO A321 CEO A321 NEO Total 31 64 69 30 — 194 1Q23 (4) — 5 — — 1 2Q23 (3) — 5 — 1 3 3Q23 (4) — 3 — 5 4 4Q23 (3) — 3 — 2 2 17 64 85 30 8 204 1Q24 (7) — 3 — 4 — 2Q24 (2) — 3 — 6 7 3Q24 (6) — — — 7 1 4Q24 — — — — 3 3 2 64 91 30 28 215 — 64 97 30 43 234 Note: (1) Seat Configurations Seats 145 182/182 228/235 EXHIBIT 99.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-35186 SPIRIT AIR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): July 24, 2023 SPIRIT AIRLINES, IN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): July 24, 2023 SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (Commission Fil

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported) July 24, 2023 SPIRIT AIRLINES, INC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported) July 24, 2023 SPIRIT AIRLINES, INC. (Exact name of registrant as specified in its charter) Delaware 001-35186 38-1747023 (State or other jurisdiction of incorporation) (Commission File