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      1,328,661*             
                                                                                        
                                                                                        
                         Chase GA Group Nominees Limited         7,122,832*       
                                                                                        
                         Chase Nominees Limited                  350,909*                       
4. Full name of                                                                 
shareholder(s)                                                                          
 (if different from 3.): CUIM Nominee Limited                    795,310
iv                       *                                                              
                                                                                        
                         *denotes direct interest                                       
                                                                                        
                         Chase Nominees Limited                  564,989                       
                                                                                       
                         Vidacos Nominees Limited                309,696  
                                                                                        
                                                                                        
                                                                                        
                                                                                        
5. Date of the                                                                          
transaction and date on                                                                 
which the threshold is   09 July 2009                                                   
crossed or                                                                              
reached: v                                                                              
                                                                                        
6. Date on which issuer  10 July 2009                                                   
notified:                                                                               
                                                                                        
7. Threshold(s) that is/                                                                
are crossed or           >5% to <5% Change at Combined 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 transaction 
of           to the triggering                                                                
shares       transaction                                                                      
                                                                                              
if possible  Number          Number      Number    Number of voting     % of  voting rights x 
using        of              of          of shares rights                                     
the ISIN     Shares          Voting                                                           
CODE                         Rights      Direct    Direct xi   Indirect Direct   Indirect     
                                                               xii                            
                                                                                              
Ordinary                                                                                      
Shares                                                                                        
                                                                                              
             14,765,135      14,765,135  9,597,712 9,597,712   874,685  4.46%    0.40%        
GB00B1H0DZ51                                                                                  
                                                                                              
                                                                                              
                                                                                              
                                                                                              
                                                                                              
B: Qualifying Financial Instruments                                                           
                                                                                              
Resulting situation after the triggering transaction                                          
                                                                                              
Type of        Expiration       Exercise/           Number of voting            % of voting   
financial      date xiii        Conversion Period   rights that may be          rights        
instrument                      xiv                 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 rights
financial                    date xvii  Conversion instrument refers to     xix, xx           
instrument                              period                                                
                                        xviii                                                 
                                                                                              
                                                                            Nominal Delta      
                                                                                              
                                                                                              
                                                                                              
                                                                                              
                                                                                              
Total (A+B+C)                                                                                 
                                                                                              
Number of voting rights                          Percentage of voting rights                  
                                                                                              
10,472,397                                       4.86%                                        
                                                                                              

 

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