X0306 4 2018-03-01 0000815097 CARNIVAL CORP CCL 0001083206 DONALD ARNOLD W CARNIVAL CORPORATION 3655 N.W. 87TH AVENUE MIAMI FL 33178 1 1 President & CEO Common Stock 2018-03-01 4 S 0 3700 66.249 D 370025 I By The Arnold W. Donald Revocable Trust Uad 5/26/98 Common Stock 2018-03-01 4 S 0 1300 66.8858 D 368725 I By The Arnold W. Donald Revocable Trust Uad 5/26/98 Common Stock 132375.814 D The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on October 18, 2017. This transaction was executed in multiple trades at prices ranging from $65.70 to $66.69. The price reported reflects the average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. This transaction was executed in multiple trades at prices ranging from $66.71 to $67.26. The price reported reflects the average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. /s/ Arnold W. Donald 2018-03-05