Director Shareholding

IMI PLC
11 March 2005





11th March 2005




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 March 2005, Mr M J Lamb, a director of this Company, exercised
options, granted to him under the IMI Executive Share Option (1995) Scheme and
the IMI Executive Share Option (1985) Scheme, over 186,500  shares broken down
as follows:


No of Options      Year Granted       Option Price                 Scheme

     1,500             1995              301.3p                     1985
    50,000             1999              284.6p                     1995
    35,000             2000              226.6p                     1995
   100,000             2001              248.4p                     1995



In order to fund the purchase and pay the tax charge arising Mr Lamb sold
142,366 of the shares (acquired on exercise) at a price of 424.9249p per share. 
Mr Lamb retained 44,134 shares.





Yours faithfully









J C Bower

Assistant Company Secretary










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