Form 8 (OPD) - Tullett Prebon Plc

FORM 8 (OPD)

           PUBLIC OPENING POSITION DISCLOSURE BY A PARTY TO AN OFFER           

              Rules 8.1 and 8.2 of the Takeover Code (the "Code")              

1. KEY INFORMATION

(a) Identity of the party to the offer making  Tullett Prebon plc            
the disclosure:                                                              
                                                                             
(b) Owner or controller of interests and short Below                         
positions disclosed, if different from 1(a):                                 
                                                                             
The naming of nominee or vehicle companies is                                
insufficient                                                                 
                                                                             
(c) Name of offeror/offeree in relation to     Tullett Prebon plc            
whose relevant securities this form relates:                                 
                                                                             
Use a separate form for each party to the                                    
offer                                                                        
                                                                             
(d) Is the party to the offer making the       OFFEREE                       
disclosure the offeror or the offeree?                                       
                                                                             
(e) Date position held:                        3 May 2010                    
                                                                             
(f) Has the party previously disclosed, or is  NO                            
it today disclosing, under the Code in respect                               
of any other party to this offer?                                            

2. POSITIONS OF THE PARTY TO THE OFFER MAKING THE DISCLOSURE

(a) Interests and short positions in the relevant securities of the offeror or
offeree to which the disclosure relates

Class of relevant security:                  Ordinary 25 pence              
                                                                            
                                     Interests           Short positions    
                                                                            

      Number             %        Number         %         
                                                           
(1) Relevant           Below                               
securities owned                                           
and/or controlled:                                         
                                                           
(2) Derivatives                                            
(other than                                                
options):                                                  
                                                           
(3) Options and                                            
agreements to                                              
purchase/sell:                                             
                                                           
TOTAL:                                                     

Director of Tullett Prebon  Shareholding          %                          
plc                                                                          
                                                                             
Keith Hamill                80,299                0.037                      
                                                                             
Terry Smith                 9,245,510             4.294                      
                                                                             
Paul Mainwaring             123,683               0.057                      
                                                                             
Michael Fallon              2,000                 0.001                      
                                                                             
Rupert Robson               7,000                 0.003                      
                                                                             
Total                       9,458,492             4.393                      

All interests and all short positions should be disclosed.

Details of any open derivative or option positions, or agreements to purchase
or sell relevant securities, should be given on a Supplemental Form 8 (Open
Positions).

Details of any securities borrowing and lending positions or financial
collateral arrangements should be disclosed on a Supplemental Form 8 (SBL).

(b) Rights to subscribe for new securities

Class of relevant security in         Ordinary 25 pence                      
relation to which subscription right                                         
exists:                                                                      
                                                                             
Details, including nature of the      Below                                  
rights concerned and relevant                                                
percentages:                                                                 
                                                                             
Name of         Type           No. of options  Exercisable     %             
director                                       from                          
                                                                             
Terry Smith     LTIP award     1,860,465       18 March 2011   0.864         
                                                                             
Terry Smith     LTIP award     671,441         22 June 2012    0.312         
                                                                             
Paul Mainwaring LTIP award     360,465         18 March 2011   0.167         
                                                                             
Paul Mainwaring LTIP award     284,071         22 June 2012    0.132         

If there are positions or rights to subscribe to disclose in more than one
class of relevant securities of the offeror or offeree named in 1(c), copy
table 2(a) or (b) (as appropriate) for each additional class of relevant
security.

(c) Irrevocable commitments and letters of intent

Details of any irrevocable commitments or letters of intent procured by the  
party to the offer making the disclosure or any person acting in concert with
it (see Note 3 on Rule 2.11 of the Code):                                    
                                                                             
none                                                                         

3. POSITIONS OF PERSONS ACTING IN CONCERT WITH THE PARTY TO THE OFFER MAKING
THE DISCLOSURE

Details of any interests, short positions and rights to subscribe of any     
person acting in concert with the party to the offer making the disclosure:  
                                                                             
none                                                                         

If there are positions or rights to subscribe to disclose in more than one
class of relevant securities of the offeror or offeree named in 1(c), copy
table 3 for each additional class of relevant security.

Details of any open derivative or option positions, or agreements to purchase
or sell relevant securities, should be given on a Supplemental Form 8 (Open
Positions).

Details of any securities borrowing and lending positions or financial
collateral arrangements should be disclosed on a Supplemental Form 8 (SBL).

4. OTHER INFORMATION

(a) Indemnity and other dealing arrangements

Details of any indemnity or option arrangement, or any agreement or          
understanding, formal or informal, relating to relevant securities which may 
be an inducement to deal or refrain from dealing entered into by the party to
the offer making the disclosure or any person acting in concert with it:     
                                                                             
If there are no such agreements, arrangements or understandings, state "none"
                                                                             
none                                                                         

(b) Agreements, arrangements or understandings relating to options or
derivatives

Details of any agreement, arrangement or understanding, formal or informal,  
between the party to the offer making the disclosure, or any person acting in
concert with it, and any other person relating to:                           
                                                                             
(i) the voting rights of any relevant securities under any option; or        
                                                                             
(ii) the voting rights or future acquisition or disposal of any relevant     
securities to which any derivative is referenced:                            
                                                                             
If there are no such agreements, arrangements or understandings, state "none"
                                                                             
none                                                                         

(c) Attachments

Are any Supplemental Forms attached?

Supplemental Form 8 (Open Positions)                                NO       
                                                                             
Supplemental Form 8 (SBL)                                           NO       

Date of disclosure:                    4 May 2010                            
                                                                             
Contact name:                          Paul Mainwaring                       
                                                                             
Telephone number:                      [phone]                   

Public disclosures under Rule 8 of the Code must be made to a Regulatory
Information Service and must also be emailed to the Takeover Panel at
[e-mail]. The Panel's Market Surveillance Unit is available
for consultation in relation to the Code's dealing disclosure requirements on
[phone].

The Code can be viewed on the Panel's website at www.thetakeoverpanel.org.uk.

                                                                              3