Notification of Major Interest in Shares

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES1. Identity of the issuer or the underlying issuerof existing shares to which voting rights are Carnival plcattached:2 Reason for the notification (please tick the appropriate box or boxes):An acquisition or disposal of voting rights XAn acquisition or disposal of qualifying financial instruments which may resultin the acquisition of shares already issued to which voting rights are attachedAn event changing the breakdown of voting rightsOther (pleasespecify):

3. Full name of person(s) subject to the Thornburg Investment Management, Inc.notification obligation:

4. Full name of shareholder(s) N/A (if different from 3.):5. Date of the transaction (and date on whichthe threshold is crossed or reached if 14 February 2013differently):6. Date on which issuer notified: 20 February 20137. Threshold(s) that is/are crossed or Below 11% voting rightsreached:8. Notified details:A: Voting rights attached to sharesClass/type of Situation previous Resulting situation after the triggering transactionshares to the triggering transactionif possible Number Number Number Number of voting % of votingusing of of of shares rights rightsthe ISIN CODE Shares Voting Rights Direct Direct Indirect Direct Indirect 10.88% ORD Above 11% Above 11% N/A N/A 19,835,959 N/A 3121522 (SEDOL)B: Qualifying Financial InstrumentsResulting situation after the triggering transactionType 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/ATotal (A+B)Number of voting rights Percentage of voting rights19,835,959 10.88%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/A11. Number of voting rights proxy holder will ceaseto hold: N/A12. Date on which proxy holder will cease to holdvoting rights: N/A13. Additional information:14. Contact name: Arnaldo Perez15. Contact telephone number: 305 599 2600