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 ( ) 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: On market transfer between indirect and direct 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 (4,671,083)* Chase GA Group Nominees Limited (11,332,960)* Chase Nominees Limited (917,899)* CUIM Nominee Limited (3,353,137)* *denotes direct interest Chase Nominees Limited (1,124,241) CUIM Nominee Limited (176,692) Vidacos Nominees Limited (2,288,391) 5. Date of the transaction and date on which the threshold is crossed or reached (v): 29 January 2008 6. Date on which issuer notified: 30 January 2008 7. Threshold(s) that is/are crossed or reached: 13% to 11% Change at Combined Interest Level. 8. Notified details: A: Voting rights attached to shares Class/type of shares if possible using the ISIN CODE Situation previous to the Triggering transaction (vi) GB00B1H0DZ51 Number of Shares Number of Voting Rights (viii) 27,908,903 27,908,903 Class/type of shares if possible using the ISIN CODE Resulting situation after the triggering transaction(vii) GB00B1H0DZ51 Number of shares Number of voting rights (ix) % of voting rights Direct Direct (x) Indirect (xi) Direct Indirect 20,275,079 20,275,079 3,589,324 9.52% 1.69% B: Financial Instruments Resulting situation after the triggering transaction (xii) Type of Expiration Exercise/ Number of voting % of voting financial date (xiii) Conversion Period/ rights that may be rights instrument Date (xiv) acquired if the instrument is exercised/ converted. Total (A+B) Number of voting rights % of voting rights 23,864,403 11.21% 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable (xv): See Section 4. 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 212,968,819 14. Contact name: Neil Whittaker 15. Contact telephone number: 01603 684 420
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