Frontier Investor Conference Presentation Deck

All-Airbus Fleet Drives Operational Efficiency Youngest, most modern, most fuel-efficient fleet... Average fleet age(¹) (years) I I 01 5 Combined Alaska Company 9 35% spirit 11 5% American % of fleet using new engine technology (2) 13% 11 JetBlue FRONTIER 5% 12 Southwest 6% 14 Delta 9% 14 Allegiant 16 United 10% ...becomes even more efficient with new deliveries Combined Company % neo fleet 43% 2021 51% 2022 61% 2023 69% 1 Source: Company filings. (1) Using year end 2020 fleet count. (2) New engine technology aircraft include A220, A320neo family, A330neo, A350, and similar aircraft from other manufacturers. 2024 74% 2025 79% 2026 14

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