Sec Form 3 Filing - deynes bettina alejandra @ CARNIVAL CORP - 2023-10-11

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person deynes bettina alejandra 2. Issuer Name and Ticker or Trading Symbol CARNIVAL CORP [ CCL] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Human Resources Officer (Last) (First) (Middle) C/O CARNIVAL CORPORATION, 3655 N.W. 87TH AVENUE 3. Date of Earliest Transaction (MM/DD/YY) 10/11/2023 (Street) MIAMI, FL33178 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 31,392 ( 1 ) ( 2 ) ( 3 ) ( 4 ) ( 5 ) D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other deynes bettina alejandra C/O CARNIVAL CORPORATION 3655 N.W. 87TH AVENUE MIAMI, FL33178 Chief Human Resources Officer Signatures /s/ Bettina Deynes 10/11/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Includes 1,597 restricted stock units ("RSUs") granted on January 19, 2021 pursuant to the Carnival Corporation 2020 Stock Plan (the "Plan"). Two-thirds of the original grant of 4,791 RSUs vested on January 19, 2022 and January 19, 2023 and the remaining 1,597 RSUs will vest on the third anniversary date of the grant. ( 2 )Includes 2,505 RSUs granted on February 4, 2022 pursuant to the Plan. One third of the original grant of 3,757 RSUs vested on February 15, 2023 and the remaining 2,505 RSUs will vest on a pro rata basis on February 15, 2024 and February 18, 2025. ( 3 )Includes 2,470 performance-based restricted stock units ("PBS RSUs") granted on February 21, 2023 pursuant to the Plan. The PBS RSUs will vest pro rata on February 15, 2024 and February 18, 2025. The 2022 Management Incentive Plan bonus payout percentage was applied to the PBS RSU target value to determine the actual PBS RSU grant value. ( 4 )Includes 11,993 RSUs granted on April 21, 2023 pursuant to the Plan. The RSUs will vest on a 3-year pro-rata basis on February 15, 2024, February 18, 2025 and February 12, 2026. ( 5 )Each RSU and PBS RSU represents a hypothetical interest in one share of Carnival Corporation common stock. The RSUs and PBS RSUs accumulate dividend equivalents and may only be settled in shares. The Compensation Committees approved each grant as a total value to be received in the form of RSUs or PBS RSUs, as applicable, and that the number of RSUs or PBS RSUs was to be determined by dividing the grant value by the closing price of a share of Carnival Corporation common stock on date of grant.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

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