Exhibit 99.1 HYATT REPORTS FIRST QUARTER 2024 RESULTS CHICAGO (May 9, 2024) - Hyatt Hotels Corporation ("Hyatt" or the "Company") (NYSE: H) today reported first quarter 2024 results. Highlights include: • Comparable system-wide hotels RevPAR increased 5.5% compared to the same period in 2023 • Comparable system-wide all-inclusive resorts Net Package RevPAR increased 11.0% compared to the same period in 2023 • Net Rooms Growth was approximately 5.5% • Net Income was $522 million and Adjusted Net Income was $ ...