Exhibit 99.1 CARNIVAL CORPORATION & PLC REPORTS RECORD SECOND QUARTER REVENUES, OPERATING INCOME AND BOOKING LEVELS, OUTPERFORMS SECOND QUARTER GUIDANCE AND RAISES FULL YEAR 2024 GUIDANCE MIAMI (June 25, 2024) - Carnival Corporation & plc (NYSE/LSE: CCL; NYSE: CUK) announced financial results for the second quarter 2024 and provided an updated outlook for the full year and an outlook for third quarter 2024. • Second quarter net income improved by nearly $500 million compared to 2023 and adjusted net income ...