Holding(s) in Company

TR-1 :               notification of major interests in shares

1.Identity of the issuer or the underlying                Tullett Prebon 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 financial instruments which may result in the                          
acquisition of shares already issued to which voting rights are attached                             
                                                                                                     
An event changing the breakdown of voting rights                                                     
                                                                                                     
Other (please specify):                                                                              
                                                                                                     
3. Full name                  Aviva plc & its subsidiaries                                                            
of person(s)                                                                                         
subject to                                                                                           
the                                                                                                  
notification                                                                                         
obligation :                                                                                         
                                                                                                     
4. Full name                                                                                         
of                                                                        Registered Holder:         
shareholder                   BNY Norwich Union Nominees Limited                  2,824,461*         
(s) (if                       Chase GA Group Nominees Limited                     8,908,332*         
different                     Chase Nominees Limited                                                             
from 3.) :                                                                          466,809*         
                             CUIM Nominee Limited                            
                                                                                  1,513,110*         
                                                                   * denotes direct interest         
                             Chase Nominees Limited         
                                                                                             
                                                                                   3,159,136         
                             Vidacos Nominees Limited                                                
                                                                                   1,185,521         
                                                                                                     
5. Date of       14 April 2009                                                                       
the                                                                                                  
transaction                                                                                          
(and date on                                                                                         
which the                                                                                            
threshold is                                                                                         
crossed or                                                                                           
reached if                                                                                           
different) :                                                                                         
                                                                                                     
6. Date on       15 April 2009         
which issuer                                                                                         
notified:                                                                                            
                                                                                                     
7. Threshold     7% to 6% Change at Direct Interest Level.         
(s) that is/                                                                                         
are crossed                                                                                          
or reached:                                                                                          
                                                                                                     
8. Notified                                                                                          
details:                                                                                             
                                                                                                     

 

A: Voting rights attached to shares                                               
                                                                                  
Class/type   Situation previous to Resulting situation after the triggering       
of shares    the Triggering        transaction                                    
 if possible transaction                                                          
using the                                                                         
ISIN CODE    Number of  Number of  Number of  Number of voting     % of voting    
             Shares     Voting     shares     rights ix            rights         
                        Rights                                                    
                        viii       Direct     Direct  x  Indirect  Direct Indirect
                                                         xi                       
                                                                                  
                                                                                  
    Ordinary                                                                      
      Shares                                                                      
                                                                                  
             21,162,879 21,162,879 13,712,712 13,712,712 4,344,657  6.37%    2.02%
GB00B1H0DZ51                                                                      
                                                                                  

 

B: Financial Instruments                                                      
                                                                              
Resulting situation after the triggering transaction xii                      
                                                                              
Type of    Expiration Exercise/      Number of voting rights that may  % of   
financial  date xiii  Conversion     be acquired if the instrument is  voting 
instrument            Period/ Date   exercised/ converted.             rights 
                      xiv                                                     
                                                                              
                                                                              
N/A
                                                                              

 

Total (A+B)                                                                   
                                                                              
Number of voting rights                     % of voting rights                
                                                                              
    18,057,369                              8.39%
                                                                              

 

9. Chain of controlled undertakings through which the voting rights and/or the 
financial instruments are effectively held, if applicable xv:                  
                                                                               
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)                                                    
                                                                               


Proxy Voting:                                                                  
                                                                               
10. Name of the 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 215,313,584.
                                                                               
14. Contact name:                                              Diane Thirkettle
                                                                               
15. Contact telephone number:                                      01603 687803