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                                            X
                                                                                        
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                      Henderson Global Investors
notification obligation:iii                                                             
                                                                                        
4. Full name of shareholder(s)                                                          
 (if different from 3.):iv                                                              
                                                                                        
5. Date of the transaction and date on                                                  
which the threshold is crossed or                                    01 June 2011       
reached: v                                                                              
                                                                                        
6. Date on which issuer notified:                                    02 June 2011       
                                                                                        
7. Threshold(s) that is/are crossed or                                    5%            
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                                                                       
                                                                                               
             Number         Number      Number     Number of voting          % of  voting      
if possible  of             of          of shares  rights                    rights x          
using        Shares         Voting                                                             
the ISIN                    Rights      Direct     Direct xi      Indirect   Direct Indirect   
CODE                                                              xii                          
                                                                                               
ORD GBP0.25                                                                                    
                                                                                               
                Below 5%     Below 5%                             3,064,237            1.42%   
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 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      Expiration Exercise/   Number of voting rights     % of voting     
financial     price         date xvii  Conversion  instrument refers to        rights xix, xx  
instrument                             period                                                  
                                       xviii                                                   
                                                                                               
                                                                               Nominal Delta     
     CFD                                                    7,779,470                          
                                                                               3.61%           
                                                                                               
                                                                                               
                                                                                               
Total (A+B+C)                                                                                  
                                                                                               
Number of voting rights                        Percentage of voting rights                     
                                                                                               
                                                                                               
                                                                                               
                  10,843,707                                        5.03%                      
                                                                                               
                                                                                               
                                                                                               


 

9. Chain of controlled undertakings through which the voting rights and/or the          
financial instruments are effectively held, if applicable: xxi                          
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                        
Proxy Voting:                                                                           
                                                                                        
10. Name of the proxy holder:                                                           
                                                                                        
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:                                                             
                                                                                        
14. Contact name:                                                      Wayne Powell     
                                                                                        
15. Contact telephone number:                                          020 7818 5611