Holding in Company

Mercury Grosvenor Trust PLC
25 July 2001

                                 SCHEDULE 10

                  NOTIFICATION OF MAJOR INTERESTS IN SHARES

1) Name of company:

Mercury Grosvenor Trust plc

2) Name of shareholder having a major interest:

Co-operative Insurance Society Limited

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:

Beneficial

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

Co-operative Insurance Society Limited: 1,341,922
Co-operative Insurance Society Limited (ON LOAN): 8,078


5) Number of shares/amount of stock acquired:

N/A

6) Percentage of issued class:

N/A

7) Number of shares/amount of stock disposed:

N/A

8) Percentage of issued class:

N/A

9) Class of security:

Ordinary shares of 25p each

10) Date of transaction:

N/A

11) Date company informed:

24 July 2001 (received after working hours)

12) Total holding following this notification:

1,350,000


13) Total percentage holding of issued class following this notification:

5.36%

14) Any additional information:

Confirmation of holding

15) Name of contact and telephone number for queries:

Miss K Rucht - 020 7743 5466

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

Miss K Rucht
For Merrill Lynch Investment Managers Group Services Limited
Secretary

17) Date of notification:


        25 July 2001