Ownership Submission
FORM 4
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 OF SECURITIES

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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(Print or Type Responses)
1. Name and Address of Reporting Person *
ARISON MICKY MEIR
   2. Issuer Name and Ticker or Trading Symbol
CARNIVAL PLC [CUK] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chairman & CEO
(Last)
(First)
(Middle)
C/O CARNIVAL CORPORATION, 3655 NW 87TH AVE		 3. Date of Earliest Transaction (Month/Day/Year)
10/28/2010
(Street)

MIAMI, FL 33178		 4. If Amendment, Date Original Filed(Month/Day/Year)
 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 (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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
Trust Shares (beneficial Interest In Special Voting Share) (1) 10/28/2010   X(2)   240,000 A $ 29.8125 (3) 433,052 D  
Trust Shares (beneficial Interest In Special Voting Share) (1) 10/28/2010   D(2)   193,052 D $ 43.07 (3) (4) 240,000 D  
Trust Shares (beneficial Interest In Special Voting Share) (1) 10/28/2010   G V 240,000 D $ 0 0 D  
Trust Shares (beneficial Interest In Special Voting Share) (1) 10/28/2010   G V 240,000 A $ 0 1,831,769 I By Nickel 2003 Revocable Trust

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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 (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 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
(Month/Day/Year)		 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
Stock Option (Right to Buy) $ 29.8125 10/28/2010   X     240,000   (5) 01/08/2011 Trust Shares (beneficial Interest In Special Voting Share) 240,000 $ 0 240,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
ARISON MICKY MEIR
C/O CARNIVAL CORPORATION
3655 NW 87TH AVE
MIAMI, FL 33178		   X   X   Chairman & CEO  

Signatures

 /s/ Micky Arison   10/29/2010
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Represents trust shares (the "Trust Shares") of beneficial interests in P&O Princess Voting Trust (the "Trust"). In connection with the dual listed company transaction between Carnival plc (fka P&O Princess Cruises plc) and Carnival Corporation (the "DLC Transaction"), Carnival plc issued one special voting share to the Trust and, following a series of transactions, the Trust Shares were distributed to holders of common stock of Carnival Corporation (the "Carnival Corporation Common Stock"). Since completion of the DLC Transaction on April 17, 2003, if Carnival Corporation issues Carnival Corporation Common Stock to a person, the Trust will issue an equivalent number of Trust Shares to such person. The Trust Shares are paired with shares of Carnival Corporation Common Stock and are represented by the same stock certificate. The Trust Shares represent a beneficial interest in the Carnival plc special voting share.
(2) The transactions reported in this Form 4 reflect the exercise of options to purchase 240,000 shares of Carnival Corporation common stock, each paired with one Trust share, by Mr. Arison on October 28, 2010. The options had been granted to Mr. Arison pursuant to the Amended and Restated Carnival Corporation 1992 Stock Option Plan in 2001. The options were due to expire on January 11, 2011. The purchase price of common stock under the options was $29.8125. In accordance with rule 16b-3(e), Mr. Arison delivered 193,052 shares of Carnival common stock, each paired with one Trust Share, to pay the purchase price and applicable withholding taxes.
(3) The prices included on this form reflect the prices of the shares of Carnival Corporation Common Stock and the paired Trust Shares.
(4) Determined in accordance with the terms of the Amended and Restated Carnival Corporation 1992 Stock Option Plan, and represents the closing price of shares of Carnival Corporation common stock on October 28, 2010.
(5) The options vested 20% per year over 5 years beginning on the first annivesary of the grant date.

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