144 0000938673 XXXXXXXX LIVE 0001362468 Allegiant Travel CO 001-33166 1201 N. TOWN CENTER DRIVE LAS VEGAS NV 89144 702-851-7300 GALLAGHER MAURICE J JR Director Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

10382 842684.47 18343946 11/26/2024 NASDAQ Common 01/29/2022 Restricted Stock Vesting Issuer N 3285 01/29/2022 Compensation Common 01/29/2023 Restricted Stock Vesting Issuer N 5080 01/29/2023 Compensation Common 01/29/2024 Restricted Stock Vesting Issuer N 2017 01/29/2024 Compensation N Maurice Gallagher

1201 North Town Center Drive Las Vegas NV 89144

Common 11/25/2024 28319 2391682.12 11/26/2024 /s/ Adam Gehring, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Maurice Gallagher