Holding(s) in Company

3i Group PLC
30 November 2006

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Name of company

3i Group plc

2. Name of shareholders having a major interest

Credit Suisse Securities (Europe) Limited, Credit Suisse International and
Credit Suisse Investment Banking (Cayman Branch) (together the 'Credit Suisse
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

Holder of Interest                                                        Shares

Credit Suisse Securities (Europe) Limited ('CSSEL')                    4,037,756
Credit Suisse International ('CSi')                                    9,613,452
Credit Suisse Investment Banking (Cayman Branch) ('CSIB')                868,723
Total Interest held by the Credit Suisse Companies                    14,519,931

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

Ordinary Shares of 62 69/88p each

10. Date of transaction

not known

11. Date company informed

29 November 2006

12. Total holding following this notification

14,519,931

13. Total percentage holding of issued class following this notification

3.105%

14. Any additional information

The above interest of CSSEL in 4,037,756 shares includes an interest of
1,310,324 shares under section 208 (5) of the Companies Act 1985 ('the Act').

Those Credit Suisse Group companies which are direct or indirect holding
companies of CSSEL, CSi and CSIB are, under the terms of section 203 of the Act,
each interested by attribution in any shares in which CSSEL, CSi and CSIB are
interested.

15. Name of contact and telephone number for queries

Sofia Bernsand - 020 7975 3228

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

Robin Jack-Kee

Date of notification

30 November 2006




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