Holding(s) in Company

3i Group PLC
19 August 2005

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Name of company

3i Group plc

2. Name of shareholders having a major interest

Prudential plc and certain of its subsidiary companies

3. Please state whether notification indicates that it is in respect of holding
of the shareholder named in 2 above or in respect of a non-beneficial interest
or in the case of an individual holder if it is a holding of that person's
spouse or children under the age of 18

In respect of those named in 2 above

4. Name of the registered holder(s) and, if more than one holder, the number of
shares held by each of them
                                                  REGISTERED HOLDER                                 SHARES
      Prudential plc
                           MAGIM HSBC GIS NOM(UK) SALI                                                       78,289
                           PRUCLT HSBC GIS NOM(UK) PAC AC                                                32,974,697
                           PRUCLT HSBC GIS NOM(UK) PHL AC                                                   303,563
                           PRUCLT HSBC GIS NOM(UK) PPL AC                                                   895,513
                           PRUCLT HSBC GIS NOM(UK) EQBF AC                                                   38,225
                           PRUCLT HSBC GIS NOM(UK) HYBF AC                                                  117,647
                           PRUCLT HSBC GIS NOM(UK) MNBF AC                                                   65,914
                           PRUCLT HSBC GIS NOM(UK) PENE AC                                                  242,275
                                                                                     TOTAL               34,716,123
 The Prudential Assurance
     Company Limited
                           MAGIM HSBC GIS NOM(UK) SALI                                                       78,289
                           PRUCLT HSBC GIS NOM(UK) PAC AC                                                32,974,697
                           PRUCLT HSBC GIS NOM(UK) PPL AC                                                   895,513
                                                                                     TOTAL               33,948,499

5. Number of shares / amount of stock acquired

not known

6. Percentage of issued class

not known

7. Number of shares / amount of stock disposed

not known

8. Percentage of issued class

not known

9. Class of security

Shares of 53 1/8p each

10. Date of transaction

not known

11. Date company informed

18 August 2005

12. Total holding following this notification

Prudential plc : 34,716,123

The Prudential Assurance Company Limited : 33,948,499

13. Total percentage holding of issued class following this notification

Prudential plc : 6.14% (of which The Prudential Assurance Company Limited's interest forms a part)

The Prudential Assurance Company Limited : 6.00%

14. Any additional information

For the purposes of S210 of the Companies Act 1985, the address for those companies identified in Section
4 above is Laurence Pountney Hill, London EC4R 0HH

15. Name of contact and telephone number for queries

Pandora Sharp - 020 7975 3228

16. Name and signature of authorised company official responsible for making
this notification

Jonathan Murphy, Deputy Company Secretary

Date of notification

19 August 2005




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