Director/PDMR Shareholding

IMI PLC
13 September 2007


13 September 2007


The Secretary
Company Announcements Office
The Stock Exchange


Dear Sir


In accordance with Section 329 of the Companies Act 1985, I hereby notify you
that on 11th September 2007, each of the following Directors, Persons
discharging Managerial Responsibility or connected persons of this Company
acquired a beneficial interest in the number of new shares shown against his
name, namely shares purchased pursuant to their participation in the IMI Share
Purchase Plan (the Company's All Employee Share Ownership Plan) at 580.50p per
share.

Director             Shareholding held  % Shareholding  No of shares  % of issued    Shareholding     % held
                         prior to            held         acquired      shares        following
                         allotment                                     acquired      notification

M J Lamb                  133853            0.040            21        0.000006         133874        0.040
D M Hurt                   29553            0.008            21        0.000006         29574         0.008
D C Nicholas               85029            0.025            22        0.000006         85051         0.025
R M Twite                  24744            0.007            21        0.000006         24765         0.007
M J Kelly                  7799             0.002            21        0.000006          7820         0.002


In addition on 12 September Mr M J Lamb exercised 313,000 options granted to him
under the IMI Executive Share Option (1995) Scheme in March 2004 at 358p per
share.   From the exercise Mr M J Lamb retained 26,812 shares increasing his
shareholding in IMI plc from 133,874 shares to 160,686 (0.048% of issued share
capital).   Mr Lamb sold the remainder of the shares acquired on exercise for
564.9409p per share.


Yours faithfully


Jo Bower
Deputy Company Secretary




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