Transaction in Own Shares

3i Group PLC
22 September 2005


                                  3i Group plc

                           Purchase of Own Securities

3i Group plc announces that on 21 September 2005 it purchased for cancellation
1,000,000 of its ordinary 53 1/8 pence shares at a price of 744.568885 pence per
share.


                      This information is provided by RNS
            The company news service from the London Stock Exchange