Notification of Major Interest in Shares

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES                                 
                                                                               
1. Identity of the issuer or the underlying            Carnival PLC            
issuer of existing shares to which voting rights                                      
are 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 which           
may result in the acquisition of shares already issued to which voting         
rights are attached                                                            
                                                                               
An acquisition or disposal of instruments with similar economic effect         
to qualifying financial instruments                                            
                                                                               
An event changing the breakdown of voting rights                               
                                                                               
Other (please                                                                  
specify):                                                                      
                                                                               
3. Full name of person(s) subject to    Thornburg Investment Management Inc.   
the                                                                            
notification obligation:                                                       
                                                                               
4. Full name of shareholder(s)                           N/A                   
(if different from 3.):                                                        
                                                                               
5. Date of the transaction and date               16 December 2013             
on                                                                             
which the threshold is crossed or                                              
reached:                                                                       
                                                                               
6. Date on which issuer notified:                  3 January 2014              
                                                                               
7. Threshold(s) that is/are crossed            Below 9% voting rights          
or                                                                             
reached:                                                                       

8. Notified details:                                                            
                                                                                
A: Voting rights attached to shares                                             
                                                                                
Class/type of Situation previous  Resulting situation after the triggering      
shares        to the triggering   transaction                                   
              transaction                                                       
                                                                                
if possible   Number    Number    Number   Number of voting    % of voting      
using         of        of        of       rights              rights           
the 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 voting  
instrument        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 the 
financial instruments are effectively held, if applicable:                     
                                                                               
Thornburg Investment Management holds these shares as discretionary Investment 
Manager.                                                                       
         
                                                                      
Proxy Voting:                                                                  
                                                                               
10. Name of the proxy holder:                                  N/A             
                                                                               
11. Number of voting rights proxy holder will                  N/A             
cease                                                                          
to hold:                                                                       
                                                                               
12. Date on which proxy holder will cease to hold              N/A             
voting rights:                                                                 
                                                                               
                                                                               
13. Additional information:                                                    
                                                                               
14. Contact name:                      Arnaldo Perez                           
                                                                               
15. Contact telephone number:          1-305-599-2600