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 acquisitionof shares already issued to which voting rights are attached ( ) An event changing the breakdown of voting rights ( ) 3. Full name of person(s) subject to the notification obligation (iii): 1) TIAA-CREF Investment Management, LLC on behalf of the accounts listed at 4. below 2) Teachers Advisors, Inc. on behalf of the accounts listed at 4 below 4. Full name of shareholder(s) (if different from 3.) (iv): 1) TIAA-CREF Investment Management, LLC College Retirement Equities Fund ("CREF")* - CREF Stock Account - CREF Global Equities Account 2) Teachers Advisors, Inc. TIAA-CREF Institutional Mutual Funds* - Institutional International Equity Fund - Institutional International Equity Index Fund TIAA-CREF Life Funds* - Life International Equity Fund TIAA-CREF Asset Management Commingled Funds Trust I - TCAM-International Core Equity Fund** - TCAM-Enhanced Small Cap International Equity Fund** *Registered Investment Companies ** Unregistered Commingled Fund 5. Date of the transaction and date on which the threshold is crossed or reached (v): 14/02/2008 6. Date on which issuer notified: 19/02/2008 7. Threshold(s) that is/are crossed or reached: 3% 8. Notified details: A: Voting rights attached to shares Class/type of shares Situation previous to the Triggering if possible using the transaction (vi) ISIN CODE GB00B1H0DZ51 Number of Number of Voting Rights Shares (viii) 5,818,910 5,818,910 Class/type of shares Resulting situation after the triggering if possible using the transaction (vii) ISIN CODE Number of Number of voting rights % of voting Shares (ix) rights GB00B1H0DZ51 Direct Direct (x) Indirect (xi) Direct Indirect 6,469,720 6,469,720 3.04% 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. Total (A+B) Number of voting rights % of voting rights 6,469,720 3.04% 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable (xv): The College Retirement Equities Fund ("CREF") hereby informs you that on February 14, 2008, CREF purchased 650,810 shares of Tullett Prebon plc, bringing its total holdings in your company to 5,205,484 shares. CREF owns these shares through two of its investment accounts, the Global Equities Account and the Stock Account. It is our understanding the total shares outstanding of Tullett Prebon plc are 212,968,819 bringing CREF's ownership in your company to a 2.44% level. For your information, CREF is a U.S. based investment company, which is registered with the Securities and Exchange Commission ("SEC"). CREF has multiple investment accounts, each with separate investment objectives and policies. All assets in the accounts are beneficially owned by CREF, and all the accounts are managed by TIAA-CREF Investment Management, LLC, a SEC investment adviser. Additionally, affiliates of CREF own 1,264,236 shares in your company. These shares are owned by the TIAA-CREF Institutional Mutual Funds ("Institutional Funds"), and the TIAA-CREF Life Funds ("Life Funds"), each of which are SEC registered mutual funds, as well as the TIAA-CREF Asset Management Commingled Funds Trust I ("TCAM Funds"). The Institutional Funds, Life Funds and TCAM Funds are managed by Teachers Advisors, Inc., a SEC registered investment adviser, which is affiliated with TIAA-CREF Investment Management, LLC. These affiliated funds, aggregated with those of CREF, own a total of 6,469,720, or 3.04% of the outstanding shares of your company. Because Teachers Advisors, Inc. and TIAA-CREF Investment Management, LLC follow the same policies when voting these funds, we are aggregating the holdings for this letter. Proxy Voting: 10. Name of the proxy holder: Equitable Nominees Limited 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: None 14. Contact name: Jeffrey Shore 15. Contact telephone number: 704-988-3726
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