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            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) subject to    Prudential plc Group of Companies       
notification                                                                    
obligation:                                                                     
                                                                                
4. Full name of shareholder(s) (if      Registered Holder:                      
different from 3):                                                              
                                        Prudential plc                          
                                                                                
                                        JP MORGAN NOMINEES                      
                                                                                
                                        MAGIM HSBC GIS NOM(UK) SALI             
                                                                                
                                        PRUCLT HSBC GIS NOM(UK) PAC AC          
                                                                                
                                        PRUCLT HSBC GIS NOM(UK) PPL AC          
                                                                                
                                        PRUCLT HSBC GIS NOM(UK)EQBF AC          
                                                                                
                                        PRUCLT HSBC GIS NOM(UK)MNBF AC          
                                                                                
                                        PRUCLT HSBC GIS NOM(UK)PENE AC          
                                                                                
                                        PRUDENTIAL HOLBORN PENSIONS LD          
                                                                                
5. Date of transaction (and date on     20 May 2008                             
which the                                                                       
threshold is crossed or reached if                                              
different):                                                                     
                                                                                
6. Date on which issuer notified:       21 May 2008                             
                                                                                
7. Threshold(s) that is/are crossed or  3%                                      
reached:                                                                        
                                                                                
8: Notified Details                                                             
                                                                                
A: Voting rights attached to shares                                             
                                                                                
Class/type of  Situation previous            Resulting situation after          
shares                 to                   the triggering transaction          
                 the triggering                                                 
                  transaction                                                   
                                                                                
If possible   Number of Number of  Number of     Number of       Percentage of  
use            shares     voting    shares     voting rights     voting rights  
ISIN code                 rights                                                
                                                                                
                                      Direct  Direct   Indirect Direct  Indirect
                                                                                
Ordinary       Below 3%   Below 3% 6,565,458 6,565,458           3.07%          
Shares                                                                          
GB0031215220                                                                    
                                                                                
B: Financial Instruments                                                        
                                                                                
Resulting situation after the triggering transaction                            
                                                                                
                                      N/A                                       
                                                                                
Total (A+B)                                                                     
                                                                                
Number of voting rights                 Percentage of voting rights             
                                                                                
6,565,458                               3.07%                                   
                                                                                
9. Chain of controlled undertakings through which the voting rights and /or the 
financial instruments are effectively held, if applicable:                      
                                                                                
                        Prudential plc (parent Company)                         
                                                                                
Proxy Voting:                                                                   
                                                                                
10. Name of proxy holder:         N/A                                           
                                                                                
11. Number of voting rights proxy N/A                                           
holder will cease to hold:                                                      
                                                                                
12. Date on which proxy holder    N/A                                           
will                                                                            
cease to hold voting rights:                                                    
                                                                                
13. Additional information:       Percentage holdings are calculated using an   
                                  issued share capital of 213,210,870 ORD       
                                  USD1.66 shares.                               
                                                                                
14 Contact name:                  Arnaldo Perez                                 
                                                                                
                                  Corporate Secretary                           
                                                                                
15. Contact telephone name:       305-599-2600