X0206 3 2021-03-31 0 0001670076 Frontier Group Holdings, Inc. ULCC 0000929613 FRANKE WILLIAM A C/O INDIGO PARTNERS 2525 EAST CAMELBACK ROAD, SUITE 900 PHOENIX AZ 85016 1 0 1 0 Common Stock 197600000 I See Footnote These shares are held directly by Indigo Frontier Holdings Company, LLC. The reporting person is the sole member of Indigo Denver Management Company, LLC, which is the managing member of Indigo Frontier Holdings Company, LLC, and as such, the reporting person has voting and dispositive power over these shares. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein. Exhibit 24 - Power of Attorney /s/ Howard Diamond, as Attorney-in-fact for William A. Franke 2021-03-31