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                                          YES
                                                                                        
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         JPMorgan Asset Management Holdings Inc.
notification obligation:iii                                                             
                                                                                        
                                                  JPMorgan Asset Management (UK) Limited
                                                                                        
4. Full name of shareholder(s)                    J.P. Morgan Investment Management Inc.
 (if different from 3.):iv                                                              
                                                    JF Asset Management (Taiwan) Limited
                                                                                        
                                                                                        
                                                                                        
5. Date of the transaction and date on                                                  
which the threshold is crossed or                                       02 December 2009
reached: v                                                                              
                                                                                        
6. Date on which issuer notified:                                       04 December 2009
                                                                                        
7. Threshold(s) that is/are crossed or                                      5% downwards
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    
using        of              of           of shares  rights                   x                      
the ISIN     Shares          Voting                                                                  
CODE                         Rights                                                                  
                                          Direct     Direct xi   Indirect xii Direct   Indirect      
                                                                                                     
                                                                                                     
GB00B1H0DZ51 10,876,467      10,876,467                          10,382,472            4.82%         
                                                                                                     
                                                                                                     
                                                                                                     
                                                                                                     
                                                                                                     
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         
financial                    date xvii  Conversion  instrument refers to         rights xix, xx      
instrument                              period                                                       
                                        xviii                                                        
                                                                                                     
                                                                                 Nominal Delta       
CFD                                                 138,827                                          
                                                                                 0.06%               
                                                                                                     
                                                                                                     
                                                                                                     
Total (A+B+C)                                                                                        
                                                                                                     
Number of voting rights                    Percentage of voting rights                               
                                                                                                     
10,521,299                                 4.89%                                                     
                                                                                                     


 

9. Chain of controlled undertakings through which the voting rights and/or the          
financial instruments are effectively held, if applicable: xxi                          
                                                                                        
Total disclosable holding for JPMorgan Asset Management Holdings Inc :                  
10,521,299 (4.89%)                                                                      
                                                                                        
JPMorgan Asset Management (UK) Limited                                                  
                                                                                        
J.P. Morgan Investment Management Inc.                                                  
                                                                                        
JF Asset Management (Taiwan) Limited                                                    
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                        
Proxy Voting:                                                                           
                                                                                        
10. Name of the proxy holder:                                                        N/A
                                                                                        
11. Number of voting rights proxy holder will cease                                  N/A
to hold:                                                                                
                                                                                        
12. Date on which proxy holder will cease to hold                                    N/A
voting rights:                                                                          
                                                                                        
                                                                                        
                                                                                        
                                                                                     N/A
13. Additional information:                                                             
                                                                                        
14. Contact name:                                                           Tracey Young
                                                                                        
15. Contact telephone number:                                              020 7777 0424