Holding(s) in Company

TR-1(i): notification of major interests in shares

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 state Yes/No): ( )

An acquisition or disposal of voting rights (Yes)

An acquisition or disposal of financial instruments which may result in the
acquisition of shares already issued to which voting rights are attached ( )

An event changing the breakdown of voting rights ( )

Other: Market Transfer from Direct Funds to Indirect Funds ()

3. Full name of person(s) subject to the notification obligation (iii):

Aviva plc & its subsidiaries

4. Full name of shareholder(s) (if different from 3.) (iv):

BNY Norwich Union Nominees Limited (3,449,461)*

Chase GA Group Nominees Limited (10,728,332)*

Chase Nominees Limited (533,309)*

CUIM Nominee Limited (2,050,610)*

*denotes direct interest

Chase Nominees Limited (3,215,646)

Vidacos Nominees Limited (1,185,521)

5. Date of the transaction and date on which the threshold is crossed or
reached (v): 26 March 2009

6. Date on which issuer notified: 27 March 2009

7. Threshold(s) that is/are crossed or reached:

10% to 9% Change at Combined Interest Level.

8. Notified details:                                                           

A: Voting rights attached to shares

Class/type of shares                   Situation previous to the Triggering    
                                       transaction (vi)                        
if possible using the ISIN CODE                                                
                                                                               
GB00B1H0DZ51                           Number of Shares    Number of Voting    
                                                           Rights (viii)       
                                                                               
                                       23,485,079          23,485,079          

Resulting situation after the triggering transaction(vii)

Number of shares    Number of voting rights (ix)   % of voting rights          
                                                                               
Direct              Direct (x)  Indirect (xi)      Direct   Indirect           
                                                                               
16,761,712          16,761,714  4,401,167          7.79%    2.04%              

B: Financial Instruments                                                       
                                                                               
Resulting situation after the triggering transaction (xii)                     
                                                                               
Type of        Expiration Exercise/         Number of voting      % of voting  
financial      date       Conversion Period rights that may be    rights       
instrument     (xiii)     / Date (xiv)      acquired if the                    
                                            instrument is                      
                                            exercised/ converted.              
                                                                               
N/A                                                                            
                                                                               
Total (A+B)                                                                    
                                                                               
Number of voting rights                     % of voting rights                 
                                                                               
21,162,879                                  9.83%                              

9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable (xv):

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: N/A

12. Date on which proxy holder will cease to hold voting rights: N/A

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