X0206 3 2024-04-05 0 0001670076 Frontier Group Holdings, Inc. ULCC 0002016572 Group Holdings - Frontier LLC 1345 AVENUE OF THE AMERICAS, FLOOR 15 NEW YORK NY 10105 true Common Stock 34406526 D As previously described on a Current Report on Form 8-K, filed with the Securities and Exchange Commission on March 29, 2024, Indigo Frontier Holdings Company, LLC, a former holder of approximately 80 percent of the outstanding shares of Frontier Group Holdings, Inc. distributed shares of common stock of the Issuer to certain of its underlying investors. As a result of such distribution, on April 5, 2024, the reporting person received 34,406,526 shares of common stock of the Issuer. GROUP HOLDINGS - FRONTIER LLC By: /s/ Leonardo M. Colello, Authorized Signatory 2024-04-12