Holding(s) in Company

For filings with the FSA include the annex                                                  
                                                                                            
For filings with issuer exclude the annex                                                   
                                                                                            
                                                                                            
                                                                                            
TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi                                             
                                                                                            
                                                                                            
                                                                                            
1. Identity of the issuer or the underlying issuer                                          
of existing shares to which voting rights are                       Tullett Prebon plc      
attached:ii                                                                                 
                                                                                            
2 Reason for the notification (please tick the appropriate box or boxes):                   
                                                                                            
An acquisition or disposal of voting rights                                                √
                                                                                            
An acquisition or disposal of qualifying financial instruments which may result             
in the acquisition of shares already issued to which voting rights are attached             
                                                                                            
An acquisition or disposal of instruments with similar economic effect to                   
qualifying financial instruments                                                            
                                                                                            
An event changing the breakdown of voting rights                                            
                                                                                            
Other (please                                                                               
specify):                                                                                   
                                                                                            
3. Full name of person                                                                      
(s) subject to the     Aviva plc & its subsidiaries                                         
notification                                                                                
obligation:iii                                                                              
                                                                                            
                       Registered Holder:                                                   
                                                                                            
                       BNY Norwich Union Nominees Limited     1,187,685*                    
                                                                                            
                                                                                            
4. Full name of        Chase (GA Group) Nominees Limited      6,785,023*                 
shareholder(s)                                                                              
 (if different from    Chase Nominees Limited                 341,159*    
3.):iv                                                                                      
                       CUIM Nominee Limited                   144,500*     
                                                                                            
                       *denotes direct                                                      
                       interest                                                             
                                                                                            
                                                                                            
5. Date of the                                                                              
transaction and date                                                                        
on                     23 July 2009                                                         
which the threshold is                                                                      
crossed or                                                                                  
reached: v                                                                                  
                                                                                            
6. Date on which       24 July 2009                                                         
issuer notified:                                                                            
                                                                                            
7. Threshold(s) that                                                                        
is/are crossed or      4% to 3% Change at Direct Interest Level                             
reached: vi, vii                                                                            
                                                                                            


8. Notified details:                                                                       
                                                                                           
A: Voting rights attached to shares viii, ix                                               
                                                                                           
Class/type   Situation previous          Resulting situation after the triggering          
of           to the triggering           transaction                                       
shares       transaction                                                                   
                                                                                           
if possible  Number          Number      Number    Number of voting      % of  voting      
using        of              of          of shares rights                rights x          
the ISIN     Shares          Voting                                                        
CODE                         Rights      Direct    Direct xi Indirect    Direct Indirect   
                                                             xii                           
                                                                                           
Ordinary                                                                                   
Shares                                                                                     
             10,472,397      10,472,397  8,458,367 8,458,367 Not         3.93%  Not        
GB00B1H0DZ51                                                 Disclosable        Disclosable
                                                                                           
                                                                                           
                                                                                           
                                                                                           
B: Qualifying Financial Instruments                                                        
                                                                                           
Resulting situation after the triggering transaction                                       
                                                                                           
Type of        Expiration     Exercise/               Number of voting         % of voting 
financial      date xiii      Conversion Period xiv   rights that may be       rights      
instrument                                            acquired if the                      
                                                      instrument is                        
                                                      exercised/ converted.                
                                                                                           
                                                                                           
                                                                                           
                                                                                           
C: Financial Instruments with similar economic effect to Qualifying Financial              
Instruments xv, xvi                                                                        
                                                                                           
Resulting situation after the triggering transaction                                       
                                                                                           
Type of       Exercise price Expiration Exercise/  Number of voting rights    % of voting  
financial                    date xvii  Conversion instrument refers to       rights xix,  
instrument                              period                                xx           
                                        xviii                                              
                                                                                           
                                                                              Nominal Delta     
                                                                                           
                                                                                           
                                                                                           


Total (A+B+C)                                                                           
                                                                                        
Number of voting rights                  Percentage of voting rights                    
                                                                                        
8,458,367                                3.93%                                          
                                                                                        

 

9. Chain of controlled undertakings through which the voting rights and/or the          
financial instruments are effectively held, if applicable: xxi                          
                                                                                        
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:             Neil Whittaker                                            
                                                                                        
15. Contact telephone number: 01603 684420