Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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 *
  Thamm Michael Olaf
2. Date of Event Requiring Statement (Month/Day/Year)
07/01/2012
3. Issuer Name and Ticker or Trading Symbol
CARNIVAL PLC [CUK]
(Last)
(First)
(Middle)
C/O CARNIVAL CORPORATION, 3655 N.W. 87TH AVENUE
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
CEO - Costa Crociere
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

MIAMI, FL 33178
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 Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Ordinary Shares 15,184 (1) (2) (3)
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (Right to Buy) (4) 02/28/2008 02/27/2015 Ordinary Shares 5,700 $ 57.36 (5) D  
Stock Option (Right to Buy) (1) 02/21/2009 02/20/2013 Ordinary Shares 6,500 $ 54.45 (6) D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Thamm Michael Olaf
C/O CARNIVAL CORPORATION
3655 N.W. 87TH AVENUE
MIAMI, FL 33178
      CEO - Costa Crociere  

Signatures

/s/ Michael O. Thamm 07/10/2012
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) Award made pursuant to the Carnival plc 2005 Employee Share Plan.
(2) Awards of restricted stock units ("RSUs") which represent a hypothetical interest in Carnival plc ordinary shares, which will vest on the third anniversary of the grant date. The awards represented in this total are as follows: 4,938 RSUs awarded on February 1, 2010; 3,990 RSUs awarded on January 19, 2011; and 6,256 RSUs awarded on February 15, 2012. The RSUs will accumulate dividend equivalents and may only be settled in shares.
(3) The grant was approved by the Compensation Committee as a total value to be received in the form of restricted stock units. The Compensation Committee also approved that the number of shares was to be determined by taking the value and dividing by the closing price on the grant date.
(4) Award made pursuant to the Carnival plc Executive Share Option Plan
(5) Approximate US dollar equivalent price based on the exchange rate on the grant date of February 28, 2005.
(6) Approximate US dollar equivalent price based on the exchange rate on the grant date of February 21, 2006.

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