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    Aviva plc & its subsidiaries             
notification                                                                     
obligation:                                                                      
                                                                                 
4. Full name of shareholder(s) (if      Registered Holder:                       
different from 3):                                                               
                                        BNY Norwich Union Nominees Limited       
                                        1,221,302*                               
                                                                                 
                                        BT Globenet Nominees Limited 2,068*      
                                                                                 
                                        Chase GA Group Nominees Limited 3,889,200
                                        *                                        
                                                                                 
                                        Chase Nominees Limited 141,537*          
                                                                                 
                                        CUIM Nominee Limited 879,754*            
                                                                                 
                                        Vidacos Nominees Limited 3,390*          
                                                                                 
                                        * denotes direct interest                
                                                                                 
                                        RC Greig Nominees Limited 1,750          
                                                                                 
                                        Aviva SpA 2,718                          
                                                                                 
                                        BNP Paribas - London 33,558              
                                                                                 
                                        Chase Nominees Limited 876,387           
                                                                                 
                                        State Street Nominees Limited 434,994    
                                                                                 
                                        Vidacos Nominees Limited 617,475         
                                                                                 
5. Date of transaction (and date on                 16 December 2008             
which the                                                                        
threshold is crossed or reached if                                               
different):                                                                      
                                                                                 
6. Date on which issuer notified:                   17 December 2008             
                                                                                 
7. Threshold(s) that is/are crossed or  5% to <5% Change at Combined Interest    
reached:                                level                                    
                                                                                 
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      8,143,877  8,143,877 6,137,251 6,137,251 1,966,882  3.78%   1.21%  
Shares                                                                           
GB0031215220                                                                     
                                                                                 
B: Financial Instruments                                                         
                                                                                 
Resulting situation after the triggering transaction                             
                                                                                 
                                     ,N/A                                        
                                                                                 
Total (A+B)                                                                      
                                                                                 
Number of voting rights                 Percentage of voting rights              
                                                                                 
               8,104,133                                  4.99%                  
                                                                                 
9. Chain of controlled undertakings through which the voting rights and /or the  
financial instruments are effectively held, if applicable:                       
                                                                                 
The voting rights are managed and controlled by Aviva Investors Global Services  
Limited, with the following chain of controlled undertakings:-                   
                                                                                 
Aviva Investors Global Services Limited:                                         
                                                                                 
  * Aviva plc (Parent Company)                                                   
                                                                                 
  * Aviva Group Holdings Limited (wholly owned subsidiary of Aviva plc)          
                                                                                 
  * Aviva Investors Holdings Limited (wholly owned subsidiary of Aviva Group     
    Holdings Limited)                                                            
                                                                                 
  * Aviva Investors Global Services Limited (wholly owned subsidiary of Aviva    
    Investors Holdings Limited)                                                  
                                                                                 
Aviva SpA:                                                                       
                                                                                 
  * Aviva plc (Parent Company)                                                   
                                                                                 
  * Aviva Group Holdings Limited (wholly owned subsidiary of Aviva plc)          
                                                                                 
  * Aviva International Insurance Limited (wholly owned subsidiary of Aviva      
    Group Holdings Limited)                                                      
                                                                                 
  * Aviva Insurance Limited (wholly owned subsidiary of Aviva International      
    Insurance Limited)                                                           
                                                                                 
  * Aviva International Holdings Limited (wholly owned subsidiary of Aviva       
    Insurance Limited)                                                           
                                                                                 
  * Aviva Italia SpA (wholly owned subsidiary of Aviva International Holdings    
    Limited)                                                                     
                                                                                 
  * Aviva SpA (majority owned subsidiary of Aviva Italia SpA)                    
                                                                                 
The investments are administered by Commercial Union Trustees Limited, with the  
following chain of control:                                                      
                                                                                 
Commercial Union Trustees Limited:                                               
                                                                                 
  * Aviva plc (Parent Company)                                                   
                                                                                 
  * Aviva Group Holdings Limited (wholly owned subsidiary of Aviva plc)          
                                                                                 
  * Undershaft Limited (wholly owned subsidiary of Aviva Group Holdings          
    Limited)                                                                     
                                                                                 
  * Commercial Union Trustees Limited (wholly owned subsidiary of Undershaft     
    Limited)                                                                     
                                                                                 
Proxy Voting:                                                                    
                                                                                 
10. Name of proxy holder:         See Section 4                                  
                                                                                 
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:       Figures are based on a total number of voting  
                                  rights of 162,311,197.                         
                                                                                 
14 Contact name:                  Arnaldo Perez, Company Secretary               
                                                                                 
15. Contact telephone name:       1-(305)-599-2600