Holding(s) in Company

Man Group plc
05 December 2005


                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Name of company

Man Group plc

2. Name of shareholder having a major interest

Aviva plc and its subsidiaries, Morley Fund Management Ltd and Commercial Union
Vita S.p.A.

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

A material interest of Aviva plc and its subsidiaries, Morley Fund Management
Ltd and Commercial Union Vita S.p.A.

4. Name of the registered holder(s) and, if more than one holder, the number of
shares held by each of them

1) For Commercial Union Vita S.p.A:

Registered Holder                                                      Holding
-------------------                                                    ---------

Commercial Union Vita S.p.A                                             50,200

2) For Morley Fund Management Ltd:

Registered Holder                                                      Holding
-------------------                                                    ---------

BNY Norwich Union Nominees Ltd                                       3,223,050
BT Globenet Nominees Ltd                                                 4,100
Chase GA Group Nominees Ltd                                          3,227,930
Chase Nominees Ltd                                                     354,981
CUIM Nominees Ltd                                                    2,406,741

5. Number of shares / amount of stock acquired

                                                                       200,000

6. Percentage of issued class

                                                                          0.06%

7. Number of shares / amount of stock disposed

N/A

8. Percentage of issued class

N/A

9. Class of security

Ordinary shares of 18 US cents each

10. Date of transaction

1 December 2005

11. Date company informed

5 December 2005

12. Total holding following this notification

                                                                     9,267,002

13. Total percentage holding of issued class following this notification

                                                                          3.01%

14. Any additional information

None

15. Name of contact and telephone number for queries

Mr Barry Wakefield 020 7144 1735

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

Mr Peter Clarke, Company Secretary

Date of notification

5 December 2005

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