Holding(s) in Company

IMI PLC
04 January 2006

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES



1. Name of company


IMI plc



2. Name of shareholder having a major interest


Barclays PLC



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.


N/A



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


Barclays Capital Securities Ltd                                                 382,616
Gerrard Ltd                                                                   4,116,195
Barclays Bank Trust Company Ltd                                                   8,885
Barclays Global Investors Canada Ltd                                             18,587
Barclays Life Assurance Co Ltd                                                  413,672
Barclays Private Bank and Trust Ltd                                               6,729
Barclays Global Investors Japan Ltd                                              42,417
Barclays Global Investors N.A.                                                2,843,452
Barclays Private Bank Ltd                                                         2,500
Barclays Global Investors Ltd                                                 4,346,177
Barclays Global Fund Advisers                                                 1,194,078
Barclays Global Investors Japan Trust & Banking                                 407,779
Barclays Global Investors Australia Ltd                                          33,052







5. Number of shares / amount of stock acquired


-



6. Percentage of issued class


-



7. Number of shares / amount of stock disposed


Notification of movement through a percentage point to 4.04%



8. Percentage of issued class


-



9. Class of security


-



10. Date of transaction


16 December 2005



11. Date company informed


22 December 2005



12. Total holding following this notification


13,816,139



13. Total percentage holding of issued class following this notification


4.04%



14. Any additional information


-



15. Name of contact and telephone number for queries


P M Grant - 0121 717 3785



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


H Afford - Corporate Counsel



 Date of notification

4 January 2006


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