Notification of Major Interest in Shares

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES 1. Identity of the issuer or the underlying Carnival PLCissuer of existing shares to which voting rightsare attached: 2. Reason for the notification (please tick the appropriate box or boxes): An acquisition or disposal of voting rights X An acquisition or disposal of qualifying financial instruments whichmay result in the acquisition of shares already issued to which votingrights are attached An acquisition or disposal of instruments with similar economic effectto qualifying financial instruments An event changing the breakdown of voting rights Other (pleasespecify): 3. Full name of person(s) subject to Thornburg Investment Management Inc.thenotification obligation: 4. Full name of shareholder(s) N/A(if different from 3.): 5. Date of the transaction and date 16 December 2013onwhich the threshold is crossed orreached: 6. Date on which issuer notified: 3 January 2014 7. Threshold(s) that is/are crossed Below 9% voting rightsorreached: 8. Notified details: A: Voting rights attached to shares Class/type of Situation previous Resulting situation after the triggeringshares to the triggering transaction transaction if possible Number Number Number Number of voting % of votingusing of of of rights rightsthe ISIN CODE Shares Voting shares Rights Direct Direct Indirect Direct Indirect ORD Below 10% Below 10% N/A N/A 16,291,165 N/A 8.94% 3121522 (SEDOL) B: Qualifying Financial Instruments Resulting situation after the triggering transaction Type of financial Expiration Exercise/ Number of voting % of votinginstrument date Conversion Period rights that may be rights acquired if the instrument is exercised/ converted. N/A Total (A+B) Number of voting rights Percentage of voting rights 16,291,165 8.94% 9. Chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held, if applicable: Thornburg Investment Management holds these shares as discretionary InvestmentManager. Proxy Voting: 10. Name of the proxy holder: N/A 11. Number of voting rights proxy holder will N/Aceaseto hold: 12. Date on which proxy holder will cease to hold N/Avoting rights: 13. Additional information: 14. Contact name: Arnaldo Perez 15. Contact telephone number: 1-305-599-2600