CURRENT REPORT ON FORM 8-K

MIAMI   (September 29, 2025) - Carnival Corporation & plc (NYSE/LSE: CCL; NYSE: CUK) announces that its joint current report on Form 8-K was filed with the U.S. Securities and Exchange Commission on   September 29, 2025.   As further described in the joint current report on Form 8-K, on   September 29, 2025, Carnival Corporation issued a notice of redemption for the entire outstanding principal amount of its 5.750% convertible senior notes due 2027, to be redeemed on December 5, 2025. This announcement does not constitute a notice of redemption.

A copy of the joint current report on Form 8-K is available on the Carnival Corporation & plc website at   www.carnivalcorp.com   or   www.carnivalplc.com .