Exhibit 99.1 CARNIVAL CORPORATION & PLC ACHIEVES RECORD FULL YEAR ADJUSTED NET INCOME AND INVESTMENT GRADE LEVERAGE METRICS, REINSTATES DIVIDEND Outperforms guidance due to strong close-in demand and ef ective cost management MIAMI (December 19, 2025) - Carnival Corporation & plc (NYSE/LSE: CCL; NYSE: CUK) announced financial results for the fourth quarter and full year 2025 and provided an outlook for the first quarter and full year 2026. Key Highlights "2025 was a truly phenomenal year. We set new records ...