X0206 3 2023-10-16 0 0001670076 Frontier Group Holdings, Inc. ULCC 0001854386 Mitchell Mark Christopher C/O FRONTIER GROUP HOLDINGS, INC. 4545 AIRPORT WAY DENVER CO 80239 false true false false SVP & CFO Common Stock 40601.00 D Stock Options (Right to Buy) 1.3602 2025-09-18 Common Stock 158803.00 D Restricted Stock Units Common Stock 4560.00 D Restricted Stock Units Common Stock 8137.00 D Restricted Stock Units Common Stock 21109.00 D The stock options are fully vested and exercisable. Each Restricted Stock Unit represents a contingent right to receive one share of Issuer Common Stock. The Restricted Stock Units have no expiration date. The Restricted Stock Units vest on February 23, 2024. The Restricted Stock Units have no expiration date. The Restricted Stock Units vest in two substantially equal annual installments beginning on February 3, 2024. The Restricted Stock Units have no expiration date. The Restricted Stock Units vest in three substantially equal annual installments beginning on February 8, 2024. The Restricted Stock Units have no expiration date. Exhibit 24 - Power of Attorney /s/ Howard Diamond, as Attorney-in-fact for Mark C. Mitchell 2023-10-25