Exhibit 99.1 HYATT REPORTS THIRD QUARTER 2024 RESULTS CHICAGO (October 31, 2024) - Hyatt Hotels Corporation ("Hyatt" or the "Company") (NYSE: H) today reported third quarter 2024 results. Highlights include: • Comparable system-wide hotels RevPAR increased 3.0% compared to the same period in 2023 • Comparable system-wide all-inclusive resorts Net Package RevPAR decreased 0.9% compared to the same period in 2023 • Net Rooms Growth was approximately 4.3% • Net Income was $471 million and Adjusted Net Income w ...