3i Group PLC 27 February 2008 NOTIFICATION OF MAJOR INTERESTS IN SHARES On 26 February 2008 3i Group plc ("the Issuer") was notified of the following details relating to a major interest in its shares. 1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached: 3i Group plc 2. Reason for the notification: 1) An acquisition or disposal of voting rights 2) Exemption Trading Book DTR 5.1.3 (4) 3. Full name of person(s) subject to the notification obligation: The Goldman Sachs Group, Inc. 4. Full name of shareholder(s) (if different from 3): Goldman, Sachs & Co., Goldman Sachs International, Goldman Sachs Asset Management International, Goldman Sachs Asset Management, L.P. 5. Date of the transaction (and date on which the threshold is crossed or reached if different): 22/02/2008 6. Date on which issuer notified: 26/02/2008 7. Threshold(s) that is/are crossed or reached: 6% 8. Notified details: A: Voting rights attached to shares Class/type Situation previous to the Resulting situation after the triggering transaction of shares triggering transaction if possible Number of Shares Number of Voting Number of Number of voting rights % of voting rights using the Rights shares ISIN CODE Direct Direct Indirect Direct Indirect GB00B1YW4409 23,642,395 6.18% 22,865,000 5.97% B: Financial Instruments Resulting situation after the triggering transaction Type of financial Expiration date Exercise/ Number of voting % of voting rights instrument Conversion Period rights that may be / Date acquired if the instrument is exercised/ converted. Total (A+B) Number of voting rights % of voting rights 22,865,000 5.97% 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: The interest in 120,460 shares arose from an interest held by Goldman, Sachs & Co., a wholly-owned direct subsidiary of GS Inc, acting as custodian for its customers. These shares are, or will be, registered in the name of Goldman Sachs Securities (Nominees), Limited. The interest in 2,029 shares arose from an interest held by Goldman Sachs International, a wholly-owned direct subsidiary of GS Inc, acting as discretionary manager. These shares are, or will be, registered in the name of Goldman Sachs Securities (Nominees), Limited. The interest in 337,188 shares arose from the interest held by Goldman Sachs Asset Management International, a wholly-owned subsidiary of GS Inc acting as discretionary manager. We believe that some of these shares are, or will be, registered in the name of Goldman Sachs Securities (Nominees), Limited ("GSSN"). The interest in 22,405,323 shares arose from the interest held by Goldman Sachs Asset Management, LP a wholly owned subsidiary of GS Inc acting as discretionary manager. We believe that some of these shares are, or will be, registered in the name of Goldman Sachs Securities (Nominees), Limited ("GSSN"). Proxy Voting: 10. Name of the proxy holder: N/A 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: Issuer contact details: Jackie Harper, Group Secretariat Telephone: 020 7975 3530 This information is provided by RNS The company news service from the London Stock Exchange