144 0001511298 XXXXXXXX LIVE 0001670076 Frontier Group Holdings, Inc. 001-40304 4545 AIRPORT WAY DENVER CO 80239 (720) 374-4490 Biffle Barry Officer Director Common UBS Financial Services, Inc.

11 Madison Ave 4th Floor New York NY 10010

200000 1255780.00 228950914 02/06/2026 NASDAQ Common 01/15/2025 Exercise of Stock Options Issuer N 105935 01/15/2025 Cash Common 01/30/2025 Exercise of Stock Options Issuer N 30000 01/30/2025 Cash Common 02/03/2025 Stock Award Issuer N 34308 02/03/2025 N/A Common 02/07/2025 Exercise of Stock Option Issuer N 29757 02/07/2025 Cash N Barry Biffle

4545 AIRPORT WAY DENVER CO 80239

Common 12/04/2025 55187 277899.66 Barry Biffle

4545 AIRPORT WAY DENVER CO 80239

Common 12/05/2025 44813 226224.99 Barry Biffle

4545 AIRPORT WAY DENVER CO 80239

Common 12/08/2025 100000 554290.00 Barry Biffle

4545 AIRPORT WAY DENVER CO 80239

Common 12/10/2025 17373 104422.15 Barry Biffle

4545 AIRPORT WAY DENVER CO 80239

Common 12/11/2025 82627 477674.95 Barry Biffle

4545 AIRPORT WAY DENVER CO 80239

Common 01/22/2026 5040 27770.40 Barry Biffle

4545 AIRPORT WAY DENVER CO 80239

Common 02/04/2026 94960 526695.64 02/06/2026 08/08/2025 /s/ UBS Financial Services Inc, as attorney-in-fact for Barry Biffle