Holding(s) in Company

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 may result in the                               N/A              
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) subject to notification            UBS Global Asset Management Traditional                       
obligation:                                                                                                                
                                                                                                                           
4. Full name of shareholder(s) (if different from 3):        Registered Holder:                                            
                                                                                                                           
                                                             UBS Global Asset Management (Americas) Inc.                   
                                                                                                                           
                                                             UBS Global Asset Management (Canada) Co.                      
                                                                                                                           
                                                             UBS Global Asset Management (Deutschland) GmbH                
                                                                                                                           
                                                             UBS Global Asset Management (Hong Kong) Ltd.                  
                                                                                                                           
                                                             UBS Global Asset Management (Japan) Ltd.                      
                                                                                                                           
                                                             UBS Global Asset Management Life Limited                      
                                                                                                                           
                                                             DSI International Management Inc.                             
                                                                                                                           
                                                             UBS Global Asset Management (UK) Limited                      
                                                                                                                           
5. Date of transaction (and date on which the                19 May 2008                                                   
threshold is crossed or reached if different):                                                                             
                                                                                                                           
6. Date on which issuer notified:                            21 May 2008                                                   
                                                                                                                           
7. Threshold(s) that is/are crossed or reached:              Below 3%                                                      
                                                                                                                           
8: Notified Details                                                                                                        
                                                                                                                           
A: Voting rights attached to shares                                                                                        
                                                                                                                           
Class/type of          Situation previous to                             Resulting situation after                         
shares                    the triggering                                 the triggering transaction                        
                            transaction                                                                                    
                                                                                                                           
If possible use      Number of      Number of      Number of              Number of                   Percentage of        
ISIN code              shares     voting rights      shares             voting rights                 voting rights        
                                                                                                                           
                                                         Direct     Direct        Indirect        Direct        Indirect
                                                                                                                        
Ordinary Shares         8,562,015      8,562,015 Non-notifiable Non-notifiable Non-notifiable Non-notifiable Non-notifiable
GB0031215220                                          threshold threshold        threshold      threshold      threshold
                                                                                                                           
B: Financial Instruments                                                                                                   
                                                                                                                           
Resulting situation after the triggering transaction                                                                       
                                                                                                                           
                                      N/A                                                                                  
                                                                                                                           
Total (A+B)                                                                                                                
                                                                                                                           
Number of voting rights                                      Percentage of voting rights                                   
                                                                                                                           
Non-notifiable threshold                                     Non-notifiable threshold                                      
                                                                                                                           
9. Chain of controlled undertakings through which the voting rights and /or the                                            
financial instruments are effectively held, if applicable:                                                                 
                                                                                                                           
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                                                              
                                                                                                                           
                                                Corporate Secretary                                                        
                                                                                                                           
15. Contact telephone name:                     305-599-2600