144 0002007448 XXXXXXXX LIVE 0001670076 Frontier Group Holdings Inc 001-40304 4545 Airport Way Denver CO 80239 7203744200 Alexandre Clerc Officer common UBS Financial Services Inc

1000 Harbor Blvd 3rd Floor Weehawken NJ 07086

3800 20259.7 228155458 09/09/2025 NASDAQ common 01/08/2025 RSU Frontier Group Holdings Inc N 3800 01/08/2025 N/A N Alexandre Clerc

4545 Airport Way Denver CO 80239

common 08/26/2025 5485 25126 09/09/2025 /s/JOSEPH CASSIDY, for UBS Financial Services Inc, as attorney-in-fact for Alexandre Clerc