[Form 4] CARNIVAL PLC Insider Trading Activity

Rhea-AI Filing Summary

CARNIVAL PLC director Jason Glen Cahilly reported a disposition of trust shares tied to a special voting structure. On May 7, 2026, he surrendered 80,724.6733 Trust Shares, representing beneficial interests in a Carnival plc special voting share, to Carnival plc for no consideration in connection with the DLC Unification and Redomiciliation. These Trust Shares were then canceled, leaving him with 0 Trust Shares following the transaction. The footnotes state that he did not dispose of any Carnival Corporation common stock in this restructuring step.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider cahilly jason glen

Role null

Type	Security	Shares	Price	Value
Disposition	Trust Shares (beneficial Interest in Special Voting Share)	80,724.673	$0.00	--

Holdings After Transaction: Trust Shares (beneficial Interest in Special Voting Share) — 0 shares (Direct, null)

Footnotes (1)

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 (f/k/a 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. On May 7, 2026, Carnival Corporation and Carnival plc completed the previously announced DLC Unification and Redomiciliation Transactions (the "DLC Unification and Redomiciliation"), pursuant to which Carnival plc became a wholly-owned subsidiary of Carnival Corporation Ltd. In connection with the consummation of the DLC Unification and Redomiciliation, the Trust Shares beneficially owned by the Reporting Person were surrendered to Carnival plc for no consideration, and then canceled. The Reporting Person did not dispose of any Carnival Corporation securities in connection with the DLC Unification and Redomiciliation.

Key Figures

Trust Shares disposed: 80,724.6733 Trust Shares Price per Trust Share: $0.0000 per Trust Share Trust Shares after transaction: 0 Trust Shares

3 metrics

Trust Shares disposed 80,724.6733 Trust Shares Disposition to issuer on May 7, 2026

Price per Trust Share $0.0000 per Trust Share Consideration for surrender to Carnival plc

Trust Shares after transaction 0 Trust Shares Holdings following DLC Unification and Redomiciliation

Key Terms

Trust Shares, special voting share, P&O Princess Voting Trust, DLC Unification and Redomiciliation

4 terms

Trust Shares financial

"Represents trust shares (the "Trust Shares") of beneficial interests in P&O Princess Voting Trust"

special voting share financial

"Carnival plc issued one special voting share to the Trust"

P&O Princess Voting Trust financial

"beneficial interests in P&O Princess Voting Trust (the "Trust")"

DLC Unification and Redomiciliation financial

"completed the previously announced DLC Unification and Redomiciliation Transactions"

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

X

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

cahilly jason glen

(Last) (First) (Middle)

C/O CARNIVAL CORPORATION

3655 N.W. 87TH AVENUE

(Street)

MIAMI FLORIDA 33178

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
CARNIVAL PLC [ CUK ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/07/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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)	05/07/2026		D(2)		80,724.6733	D	(2)	0	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 (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 Securities Underlying Derivative Security (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: 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

Explanation of Responses:

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 (f/k/a 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. On May 7, 2026, Carnival Corporation and Carnival plc completed the previously announced DLC Unification and Redomiciliation Transactions (the "DLC Unification and Redomiciliation"), pursuant to which Carnival plc became a wholly-owned subsidiary of Carnival Corporation Ltd. In connection with the consummation of the DLC Unification and Redomiciliation, the Trust Shares beneficially owned by the Reporting Person were surrendered to Carnival plc for no consideration, and then canceled. The Reporting Person did not dispose of any Carnival Corporation securities in connection with the DLC Unification and Redomiciliation.

	/s/ Jason G. Cahilly	05/07/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)