144 0001853409 XXXXXXXX LIVE 0001670076 FRONTIER GROUP HOLDINGS, INC. 001-40304 4545 AIRPORT WAY DENVER CO 80239 720-374-4200 TREVOR STEDKE Officer common stock UBS Financial Services Inc

1000 Harbor Blvd 3rd Floor Weehawken NJ 07086

167277 1334458 230215771 08/04/2026 NASDAQ common stock 02/03/2023 RSU Frontier Group Holdings, Inc. N 8205 02/03/2023 N/A common stock 02/03/2024 RSU Frontier Group Holdings, Inc. N 9554 02/03/2024 N/A common stock 02/03/2025 RSU Frontier Group Holdings, Inc. N 9554 02/03/2025 N/A common stock 02/06/2026 RSU Frontier Group Holdings, Inc. N 8112 02/06/2026 N/A common stock 02/08/2024 RSU Frontier Group Holdings, Inc. N 8732 02/08/2024 N/A common stock 02/08/2025 RSU Frontier Group Holdings, Inc. N 8732 02/08/2025 N/A common stock 02/08/2026 RSU Frontier Group Holdings, Inc. N 6894 02/08/2026 N/A common stock 02/18/2022 RSU Frontier Group Holdings, Inc. N 12102 02/18/2022 N/A common stock 02/19/2021 RSU Frontier Group Holdings, Inc. N 15314 02/19/2021 N/A common stock 02/19/2023 RSU Frontier Group Holdings, Inc. N 12127 02/19/2023 N/A common stock 02/22/2022 RSU Frontier Group Holdings, Inc. N 7426 02/22/2022 N/A common stock 02/23/2023 RSU Frontier Group Holdings, Inc. N 7446 02/23/2023 N/A common stock 02/23/2024 RSU Frontier Group Holdings, Inc. N 9432 02/23/2024 N/A common stock 04/08/2022 RSU Frontier Group Holdings, Inc. N 10228 04/08/2022 N/A common stock 04/09/2020 RSU Frontier Group Holdings, Inc. N 12920 04/09/2020 N/A common stock 04/09/2021 RSU Frontier Group Holdings, Inc. N 10244 04/09/2021 N/A common stock 04/09/2023 RSU Frontier Group Holdings, Inc. N 10255 04/09/2023 N/A N Trevor Stedke

4545 Airport Way Denver CO 80239

common stock 05/07/2026 83110 449619 08/04/2026 /s/JOSEPH CASSIDY, for UBS Financial Services Inc, as attorney-in-fact for TREVOR STEDKE