Holding(s) in Company

IMI PLC
20 March 2008

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES



1.         Name of company



           IMI plc



2.         Name of shareholder having a major interest



           AXA Investment Managers UK 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.



            AXA SA and its Group of Companies



5.         Number of shares/amount of stock acquired.

            NA



6.         Percentage of issued class.

            NA



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:



           17 March 2008



11.        Date company informed:



           Received 20 March 2008 dated 18 March 2008



12.        Total holding following this notification:



           19,531,777



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



           6.06%



14.        Any Additional information:

            NA



15.        Name of contact and telephone number for queries:



           JO BOWER - 0121 717 3700



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



           JO BOWER - DEPUTY COMPANY SECRETARY



Date of Notification:

20 March 2008


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