Holding(s) in Company

3i Group PLC
10 December 2004

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Name of company
3i Group plc

2. Name of shareholders having a major interest
Barclays plc

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                        Account designation       Holding
Bank of Ireland                                                    108,886
Barclays Capital Nominees Limited                                  120,897
Barclays Global Investors                                          14,100
Barclays Trust Co & Others                                         1,500
Barclays Trust Co as Exec/Adm                                      1,226
Barclays Trust Co DMC69                                            15,275
Barclays Trust Co E99                                              572
Barclays Trust Co R69                                              37,796
BNP Parabas                                                        13,428
Chase Nominees Ltd                       16376                     362,944
CIBC Mellon Global Securities                                      10,462
Clydesdale Nominees HGB0125              00693013                  5,700
Investors Bank and Trust Co                                        146,457
Investors Bank and Trust Co.                                       3,052,566
Investors Bank and Trust Co.                                       8,058
Investors Bank and Trust Co.                                       190,030
Investors Bank and Trust Co.                                       295,774
Investors Bank and Trust Co.                                       145,936
Investors Bank and Trust Co.                                       877,525
Investors Bank and Trust Co.                                       8,520
Investors Bank and Trust Co.                                       846,250
Investors Bank and Trust Co.                                       2,938
Investors Bank and Trust Co.                                       2,074
Investors Bank and Trust Co.                                       7,057
Investors Bank and Trust Co.                                       17,358
Investors Bank and Trust Co.                                       107,199
Investors Bank and Trust Co.                                       158,364
Investors Bank and Trust Co.                                       897,826
Investors Bank and Trust Co.                                       7,596
JP Morgan (BGI Custody)                  16331                     215,509
JP Morgan (BGI Custody)                  16338                     39,760
JP Morgan (BGI Custody)                  16341                     359,981
JP Morgan (BGI Custody)                  16342                     75,277
JP Morgan (BGI Custody)                  16400                     7,992,594
JP Morgan (BGI Custody)                  17011                     10,379
JP Morgan (BGI Custody)                  18409                     318,374
J P Morgan Chase Bank                                              39,397
J P Morgan Chase Bank                                              6,473
J P Morgan Chase Bank                                              18,415
J P Morgan Chase Bank                                              84,658
J P Morgan Chase Bank                                              99,745
J P Morgan Chase Bank                                              16,967
J P Morgan Chase Bank                                              5,057
J P Morgan Chase Bank                                              76,371
J P Morgan Chase Bank                                              74,530
J P Morgan Chase Bank                                              313,340
J P Morgan Chase Bank                                              65,626
J P Morgan Chase Bank                                              5,969
J P Morgan Chase Bank                                              25,780
Mellon Trust - Boston & SF                                         47,235
Mellon Trust - Boston & SF                                         92,438
Mellon Trust of New England                                        58,293
Mitsubishi Trust International                                     3,697
Northern Trust Bank - BGI SEPA                                     13,923
Northern Trust Bank - BGI SEPA                                     76,172
Northern Trust Bank - BGI SEPA                                     52,530
R C Greig Nominees Limited a/c           BL1                       16,296
R C Greig Nominees Limited a/c           CM1                       12,255
R C Greig Nominees Limited GP1           GP1                       78,460
R C Greig Nominees Limited SA1           SA1                       36,767
Reflex Nominees Limited                                            7,023
State Street                                                       10,422
State Street Boston                                                53,254
State Street Boston                                                537,523
Wells Fargo Seattle - Wire Ban                                     10,848
Zeban Nominees Limited                                             31,132
                                         Total                     18,446,811

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 applicable

8. Percentage of issued class
not applicable

9. Class of security
Ordinary Shares of 50p each

10. Date of transaction
not known

11. Date company informed
10 December 2004

12. Total holding following this notification
18,446,811

13. Total percentage holding of issued class following this notification
3.01%

14. Any additional information
Barclays PLC holds its notifiable interest through the following legal entities:

Legal Entity                                                       Holding
Barclays Global Investors Japan Trust                              583,640
Barclays Global Investors, N.A.                                  6,581,806
Barclays Bank Trust Company Ltd                                     56,369
Barclays Private Bank Ltd                                           31,132
Barclays Capital Securities Ltd                                    120,897
Barclays Private Bank and Trust Ltd                                  5,700
Barclays Global Investors Japan Ltd                                168,875
Barclays Global Investors Australia Ltd                            184,403
Barclays Private Bank and Trust Ltd                                  7,023
Gerrard Ltd                                                        143,778
Barclays Life Assurance Co Ltd                                     700,906
Barclays Global Fund Advisors                                    1,188,370
Barclays Global Investors Ltd                                    8,673,912
                                  Group Holding                 18,446,811

15. Name of contact and telephone number for queries
June Webb - 020 7975 3530

16. Name and signature of authorised company official responsible for making
this notification
Sabina Dawson, Assistant Company Secretary

Date of notification
10 December 2004




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