O'NEILL HEIDI's Class A Common Stock Transaction

Heidi O'Neill, a director at Hyatt Hotels Corp, acquired 156 shares of Class A Common Stock on September 15, 2026. The transaction code was 'A', indicating acquisition, and the price per share was $0.0. Following this transaction, O'Neill now owns 3164 shares of Class A Common Stock. The filing was signed by Margaret C. Egan, Attorney-in-fact, on September 17, 2026.