Notifications of Major Interests in Shares

TR-1: Notifications of Major Interests in Shares                               
                                                                               
1. Identity of the issuer or the underlying issuer of existing shares to which 
voting rights are attached:                                                    
                                                                               
Carnival plc                                                                   
                                                                               
2. Reason for notification                                       [Yes/No]      
                                                                               
An acquisition or disposal of voting rights                         Yes        
                                                                               
An acquisition or disposal of financial instruments which           N/A        
may result in the                                                              
acquisition of shares already issued to which voting rights                    
are attached                                                                   
                                                                               
An event changing the breakdown of voting rights                    N/A        
                                                                               
Other (please specify):                                             N/A        
                                                                               
3. Full name of person(s)  UBS Global Asset Management Traditional             
subject to notification                                                        
obligation:                                                                    
                                                                               
4. Full name of            Registered Holder:                                  
shareholder(s) (if                                                             
different from 3):         UBS Global Asset Management (Americas) Inc. -       
                           273,505                                             
                                                                               
                           UBS Global Asset Management (Australia) Co. - 15,410
                                                                               
                           UBS Global Asset Management (Canada) Co. - 38,978   
                                                                               
                           UBS Global Asset Management (Deutschland) GmbH -    
                           133,205                                             
                                                                               
                           UBS Global Asset Management (Hong Kong) Ltd. -      
                           14,959                                              
                                                                               
                           UBS Global Asset Management (Japan) Ltd. - 492,200  
                                                                               
                           UBS Global Asset Management Life Limited - 1,021,697
                                                                               
                           UBS Global Asset Management (UK) Limited - 6,642,860
                                                                               
                           DSI International Management Inc. - 396             
                                                                               
5. Date of transaction                         3 July 2008                     
(and date on which the                                                         
threshold is crossed or                                                        
reached if different):                                                         
                                                                               
6. Date on which issuer                        7 July 2008                     
notified:                                                                      
                                                                               
7. Threshold(s) that is/                          5.31%                        
are crossed or reached:                                                        

8: Notified Details                                                            
                                                                               
A: Voting rights attached to shares                                            
                                                                               
Class/type of    Situation                Resulting situation after            
shares          previous to               the triggering transaction           
               the triggering                                                  
                transaction                                                    
                                                                               
If possible   Number   Number  Number of       Number of        Percentage of  
use             of       of      shares      voting rights      voting rights  
ISIN code     shares   voting                                                  
                       rights                                                  
                                                                               
                                   Direct  Direct   Indirect  Direct  Indirect 
                                                                               
Ordinary                        8,633,210 1,021,697 7,611,513  0.63%    4.68%  
Shares                                                                         
GB0031215220                                                                   
                                                                               
B: Financial Instruments                                                       
                                                                               
Resulting situation after the triggering transaction                           
                                                                               
                                      N/A                                      
                                                                               
Total (A+B)                                                                    
                                                                               
Number of voting rights            Percentage of voting rights                 
                                                                               
            8,633,210                                 5.31%                    
                                                                               
9. Chain of controlled undertakings through which the voting rights and /or the
financial instruments are effectively held, if applicable:                     
                                                                               
                                 See Section 4                                 
                                                                               
Proxy Voting:                                                                  
                                                                               
10. Name of proxy holder:    UBS Global Asset Management Traditional           
                                                                               
                             On behalf of a number of Global Asset Management  
                             clients                                           
                                                                               
11. Number of voting rights                                                    
proxy                                                                          
holder will cease to hold:                                                     
                                                                               
12. Date on which proxy                                                        
holder will                                                                    
cease to hold voting rights:                                                   
                                                                               
13. Additional information:                                                    
                                                                               
14 Contact name:             Arnaldo Perez, Company Secretary                  
                                                                               
15. Contact telephone name:  1-305-599-2600