Frontier Group Holdings, Inc. — fact timeline

Barron Steele was appointed as Class II director at Frontier Group Holdings, Inc..

“On June 9, 2026, the Board appointed Barron Steele to serve as a Class II director, effective as of the Effective Date”

Andrew Broderick resigned as director at Frontier Group Holdings, Inc..

“On June 9, 2026, Andrew Broderick announced his intention to resign from the Board of Directors (the “Board”) of Frontier Group Holdings, Inc. (the “Company”), effective June 15, 2026”

Frontier Group Holdings, Inc. shareholders approved Advisory Approval of the Compensation of the Company’s Named Executive Officers at the 2026-05-14 meeting.

“The Company’s stockholders approved, on an advisory (non-binding) basis, the compensation of the Company’s named executive officers for the fiscal year ended December 31, 2025, as disclosed in the Company’s proxy statement for the Annual Meeting pursuant to the compensation disclosure rules of the Securities and Exchange Commission.”

Frontier Group Holdings, Inc. shareholders approved Ratification of Appointment of Independent Registered Public Accounting Firm at the 2026-05-14 meeting.

“The Company’s stockholders ratified the appointment of Ernst & Young LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026.”

Frontier Group Holdings, Inc. shareholders approved Election of Directors at the 2026-05-14 meeting.

“The Company’s stockholders elected Andrew S. Broderick, Bernard L. Han, Anthony D. Salcido and Alejandro D. Wolff as members of the Company’s board of directors as Class II directors for a three-year term.”

Frontier Group Holdings, Inc. reported first quarter of 2026 results: revenue $ 992, net income $ (272), EPS $ (1.18). Guidance initiated.

“percentages and per share data) Three Months Ended March 31, 2026 2025 As Reported (GAAP) Adjusted (Non-GAAP) As Reported (GAAP) Adjusted (Non-GAAP) Total operating revenues $ 992 $ 1,065 $ 912 $ 912 Revenue per available seat mile ("RASM") (¢) 10.11 10.86 9.17 9.17 RASM, stage-length adjusted to 1,000 miles (¢) 9.59 10.29 8.81 8.81 Total operating expenses”

Frontier Group Holdings, Inc. amended Amendment No. 20 to the A320 Family Aircraft Purchase Agreement with Airbus S.A.S. (effective 2026-03-11).

“On March 11, 2026, Frontier Airlines, Inc. (“Frontier”), a wholly owned subsidiary of Frontier Group Holdings, Inc. (the “Company”), entered into Amendment No. 20 (the “Amendment”) to the A320 Family Aircraft Purchase Agreement, dated September 30, 2011, with Airbus S.A.S. (“Airbus”).”

Frontier Group Holdings, Inc. announced a restructuring with charges of $75 million to $95 million affecting A320neo aircraft fleet.

“the Early Return Agreement is expected to result in charges in the range of $75 million to $95 million in connection with early lease termination and return of aircraft and engines to AerCap to be recognized in the first and second quarters of 2026”

Frontier Group Holdings, Inc. announced a restructuring with charges of $125 million and $175 million affecting A320neo aircraft fleet.

“The Company currently expects to recognize these non-cash charges in the first and second quarters of 2026 and anticipates the charges to range between $125 million and $175 million.”

Josh Wetzel resigned as Chief Accounting Officer at Frontier Group Holdings, Inc..

“On March 7, 2025, Josh Wetzel notified Frontier Group Holdings, Inc. (the “Company”), the parent company of Frontier Airlines, Inc., of his resignation as Chief Accounting Officer of the Company, effective May 30, 2025.”

Michael R. MacDonald departed as Director at Frontier Group Holdings, Inc..

“On February 6, 2025, Michael R. MacDonald, a member of the board of directors (the “Board”) of Frontier Group Holdings, Inc. (the “Company”) since 2016, notified the Board that he will retire from the Board effective on the date of the Company’s 2025 annual meeting of stockholders.”

Rajat Khanna resigned as Senior Vice President and Chief Information Officer at Frontier Group Holdings, Inc..

“On October 28, 2024, Rajat Khanna notified Frontier Group Holdings, Inc. ("the Company"), the parent company of Frontier Airlines, Inc., of his resignation as Senior Vice President and Chief Information Officer of the Company, effective November 3, 2024, in order to pursue another opportunity.”

Nancy Lipson was appointed as Class I director at Frontier Group Holdings, Inc..

“On June 20, 2024, the Board of Directors (the “Board”) of Frontier Group Holdings, Inc. (the “Company”) appointed Nancy Lipson to serve as a Class I director, effective as of July 1, 2024”

Frontier Group Holdings, Inc. reported financial results for first quarter of 2024.

“On May 2, 2024 , Frontier Group Holdings, Inc. (the “Company”) issued a press release announcing its financial results for the three months ended March 31, 2024. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated by reference herein.”

Frontier Group Holdings, Inc. reported full year 2023 results: revenue $ 3,589, net income $ (11), EPS $ (0.05). Guidance initiated.

“Year Ended December 31, 2023 2022 As Reported (GAAP) Adjusted (Non-GAAP) As Reported (GAAP) Adjusted (Non-GAAP) Total operating revenues $ 3,589 $ 3,589 $ 3,326 $ 3,326 Total operating expenses $ 3,592 $ 3,590 $ 3,371 $ 3,352 Pre-tax income (loss) $ 32 $ 34 $ (45) $ (19) Pre-tax income (loss) margin 0.9% 0.9% (1.4)% (0.6)% Net income (loss) $ (11) $ 28 $ (37) $ (17) Diluted earnings (loss) per share $ (0.05) $ 0.12 $ (0.17) $ (0.08)”

Frontier Group Holdings, Inc. reported fourth quarter 2023 results: revenue $891 million, net income $ (37), EPS $ (0.17). Guidance initiated.

“and full year 2024. Fourth Quarter 2023 Key Highlights: • Pre-tax margin was 0.7 percent and adjusted (non-GAAP) pre-tax margin was 0.8 percent • Total operating revenues were $891 million, 2 percent lower than the comparable 2022 quarter • Cost per available seat mile ( “ CASM ” ) was 8.93 cents, 10 percent lower than the comparable 2022 quarter, and adjusted”

Frontier Group Holdings, Inc. reported the third quarter of 2023 results: revenue $883 million, net income $(32) million, EPS $(0.14). Guidance initiated.

“Inc., today reported financial results for the third quarter of 2023 and issued guidance for the fourth quarter. Third Quarter 2023 Summary: • Total operating revenues were $883 million, 3 percent lower than the 2022 quarter, on capacity growth of 21 percent • Cost per available seat mile ("CASM") was 9.66 cents, a decline of 9 percent over the 2022 quarter •”

Mark Mitchell changed role as Senior Vice President and Chief Financial Officer at Frontier Group Holdings, Inc..

“and Mark Mitchell, who currently serves as Vice President, Finance and Investor Relations, to the position of Senior Vice President and Chief Financial Officer.”

Jimmy Dempsey changed role as President at Frontier Group Holdings, Inc..

“Effective October 16, 2023, the Board of Directors of Frontier Group Holdings, Inc. (the “Company”) promoted Jimmy Dempsey, who currently serves as Executive Vice President and Chief Financial Officer, to the position of President”

Frontier Group Holdings, Inc. amended credit facility of $270 million to $365 million with Citibank, N.A., as facility agent and arranger.

“increase the commitments under the PDP Financing Facility from $270 million to $365 million”

Frontier Group Holdings, Inc. amended Ninth Amended and Restated Credit Agreement with Citibank, N.A. valued at Increased commitments under PDP Financing Facility from $270 million to $365 million (effective 2023-08-11).

“On August 11, 2023, in connection with the financing of pre-delivery payments with respect to certain aircraft that Frontier Airlines, Inc. (“Frontier”), a wholly owned subsidiary of Frontier Group Holdings, Inc. (the “Company”), has on order (the “PDP Financing Facility”), Vertical Horizons, Ltd., as borrower (“Vertical Horizons”), entered into a Ninth Amended and Restated Credit Agreement, by and among Vertical Horizons, Citibank, N.A., as facility agent and arranger (“Citibank”), Bank of Utah, not in its individual capacity but solely as security trustee (“Security Trustee”), and each lender identified on Schedule I thereto (the “Credit Agreement”).”

Frontier Group Holdings, Inc. reported the three months ended June 30, 2023 results: revenue $967 million, net income $71 million, EPS $0.31. Guidance reaffirmed.

“results for the second quarter of 2023 and issued guidance for the third quarter and full year 2023. Second Quarter 2023 Summary: • Achieved total operating revenues of $967 million, six percent higher than the 2022 quarter • Cost per available seat mile ("CASM") improved 20 percent over the 2022 quarter • Adjusted CASM (excluding fuel), a non-GAAP measure,”

Frontier Group Holdings, Inc. shareholders approved Advisory Vote on the Approval of the Compensation of the Company’s Named Executive Officers at the 2023-05-25 meeting.

“Proposal Three: Advisory Vote on the Approval of the Compensation of the Company’s Named Executive Officers The Company’s stockholders approved, on an advisory (non-binding) basis, the compensation of the Company’s named executive officers for the fiscal year ended December 31, 2022, as disclosed in the Company’s proxy statement for the Annual Meeting pursuant to the compensation disclosure rules of the Securities and Exchange Commission. The results of the vote were as follows: For Against Abstain Broker Non-Votes 196,300,801 3,643,951 34,431 6,999,886”

Frontier Group Holdings, Inc. shareholders approved Ratification of Appointment of Independent Registered Public Accounting Firm at the 2023-05-25 meeting.

“Proposal Two: Ratification of Appointment of Independent Registered Public Accounting Firm The Company’s stockholders ratified the appointment of Ernst & Young LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2022. The results of the vote were as follows: For Against Abstain Broker Non-Votes 206,649,923 85,086 244,060 —”

Frontier Group Holdings, Inc. shareholders approved Election of Directors at the 2023-05-25 meeting.

“Proposal One: Election of Directors The Company’s stockholders elected Andrew S. Broderick, Bernard L. Han, Michael R. MacDonald, and Alejandro D. Wolff as members of the Company’s board of directors as Class II directors for a three-year term. The results of the vote were as follows: Nominee For Withheld Broker Non-Votes Andrew S. Broderick 195,506,065 4,473,118 6,999,886 Bernard L. Han 195,199,450 4,779,733 6,999,886 Michael R. MacDonald 196,451,827 3,527,356 6,999,886 Alejandro D. Wolff 196,445,087 3,534,096 6,999,886”

Frontier Group Holdings, Inc. reported first quarter of 2023 results: revenue $848 million, net income $(13) million. Guidance reaffirmed.

“reported results for the first quarter of 2023 and issued guidance for second quarter and full year 2023. First Quarter 2023 Summary: • Achieved total operating revenues of $848 million, a record for any first quarter in company history and 40 percent higher than the 2022 quarter, resulting in a 19 percent increase in revenue per available seat mile ("RASM") on”

Frontier Group Holdings, Inc. reported the fourth quarter of 2022 results: revenue $906 million, net income $40 million.

“revenue performance, including record ancillary revenue per passenger, and an improvement in unit costs. Fourth Quarter 2022 Highlights • Achieved total operating revenues of $906 million, 38 percent higher than the 2019 quarter on 15 percent higher capacity resulting in a 21 percent increase in revenue per available seat mile ("RASM") over the same period •”

Mark C. Mitchell changed role as Vice President, Finance and Investor Relations at Frontier Group Holdings, Inc..

“Mark C. Mitchell, the Company’s current principal accounting officer and Chief Accounting Officer, will continue to serve the Company in his new role as Vice President, Finance and Investor Relations.”

Josh A. Wetzel was appointed as Vice President, Chief Accounting Officer at Frontier Group Holdings, Inc..

“On February 5, 2022, the Company’s Board of Directors appointed Josh A. Wetzel as the Company’s principal accounting officer.”

Ofelia Kumpf was appointed as Director at Frontier Group Holdings, Inc..

“On July 16, 2021, the Board of Directors (the “Board”) of Frontier Group Holdings, Inc. (the “Company”) appointed Ofelia Kumpf to the Company’s Board.”