Exhibit 99.1 CARNIVAL CORPORATION & PLC ACHIEVES ALL-TIME HIGH FINANCIAL RESULTS WITH NET INCOME OF $1.9 BILLION (ADJUSTED NET INCOME OF$2 BILLION) Exceeds guidance and raises full year 2025 outlook for the third time this year MIAMI (September 29, 2025) - Carnival Corporation & plc (NYSE/LSE: CCL; NYSE: CUK) announced financial results for the third quarter 2025 and provided an updated outlook for the full year and an outlook for the fourth quarter 2025. "This was a phenomenal quarter delivering all-time ...