Holding(s) in Company

IMI PLC
15 April 2008

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES



1.         Name of company

IMI plc

2.         Name of shareholder having a major interest

STANDARD LIFE INVESTMENTS LIMITED

3.                   Please state whether notification indicates that it is in
respect of holding of the shareholder names 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.

NA

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

Vidacos Nominees

5.                   Number of shares/amount of stock acquired.

329,591

6.         Percentage of issued class.

0.10%

7.         Number of shares/amount of stock disposed.

-

8.                   Percentage of issued class.

-

9.                   Class of security.

Ordinary Shares

10.               Date of Transaction:

11 April 2008

11.               Date company informed:

14 April 2008

12.               Total holding following this notification:

42,139,875

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

13.110%

14.               Any Additional information:

NA

15.               Name of contact and telephone number for queries:

J Bower - 0121 717 3700

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

J Bower - Deputy Company Secretary

Date of Notification:

15 April 2008



End.


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