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                                           
attached:ii                                                     Tullett Prebon PLC      
                                                                                        
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):                                                                 
                                                                                        
                                             OppenheimerFunds, Inc (OFI) and Baring Asset   
3. Full name of person(s) subject to the     Management Limited ("BAM")                     
   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        September 14, 2009                             
   reached: v                                                                              
                                                                                        
6. Date on which issuer notified:           September 15, 2009                             
                                                                                        
7. Threshold(s) that is/are crossed or      4% (OFI independently increased to 4.0085%)    
   reached: vi, vii                                                                        
                                                                                        

 

8. Notified details:                                                                         
                                                                                             
Tullet Prebon Plc, Cable House 54-62, New Broad Street, London, EC2M 1st United              
Kingdom                                                                                      
                                                                                             
                                                                                              
Nigel Szembel, [e-mail]                                                    

                                                                                             
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 rights x 
if possible  of           of           of shares rights                                      
using        Shares       Voting                                                             
the ISIN                  Rights       Direct    Direct xi   Indirect  Direct   Indirect     
CODE                                                         xii                             
                                                                                             
GB00B1H0DZ51 
             


OFI          8,492,272    8,492,272    8,630,942             8,630,942          4.0085%                                
                                                                                 
                                                                                             
                                                                                             
                                                                                             
                                                                                             
BAM          163,756      163,756      133,003               133,003            0.0525%      
                                                                                             
                                                                                             
                         
                                                                                             
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     Expiration Exercise/  Number of voting rights   % of voting rights
financial     price        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                     
                                                                                             
OFI: 8,630,942                               OFI: 4.0085%                                    
                                                                                             
BAM: 113,003                                 BAM: .0525%                                     
                                                                                             
Total: 8,743,945                             Total: 4.0610%                                  
                                                                                             

 

9. Chain of controlled undertakings through which the voting rights and/or the          
financial instruments are effectively held, if applicable: xxi                          
                                                                                        
                                                                                        
                                                                                        
Massachusetts Mutual Life Insurance Company is the Parent Company of                    
OppenheimerFunds, Inc. and Baring Asset Management Limited.                             
                                                                                        
                                                                                        
                                                                                        
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:                                                             
                                                                                        
                                             Rose Baker                                 
14. Contact name:                                                                       
                                             Massachusetts Mutual Life Insurance Company
                                                                                        
15. Contact telephone number:                001- 413-744-8258