Holding(s) in Company

IMI PLC
17 April 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:



            15 April 2008



11.       Date company informed:



          Received 17th April 2008 dated 16 April 2008



12.       Total holding following this notification:



          15,599,209



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



            4.86%



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:

17 April 2008


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