Holding(s) in Company

IMI PLC
21 February 2007

                   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.



740,000



6.         Percentage of issued class.



0.219%



7.         Number of shares/amount of stock disposed.

NA



8.         Percentage of issued class.

NA



9.                  Class of security.



Ordinary Shares



10.             Date of Transaction:



15 February 2007



11.             Date company informed:



16 February 2007



12.             Total holding following this notification:



33,810,420







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



10.034%



14.             Any Additional information:

NA



15.             Name of contact and telephone number for queries:



J C Bower - 0121 717 3700



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



            J C Bower







Date of Notification:

21 February 2007







End.


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