Director/PDMR Shareholding

IMI PLC
27 September 2005


27th September 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 today Mr M J Lamb and Mr T J Slack, both directors of this Company,
exercised options over 310,000 and 145,000 shares, respectively, at an option
price of 274p per share.   The options were granted to them in 2002 under the
IMI Executive Share Option (1995) Scheme and first became exercisable on 26th
September 2005.    Mr Lamb and Mr Slack then sold 284,000 and 140,000,
respectively, of the resulting shares today at a price of 426.8485p per share.

Mr Slack also exercised options under the IMI SAYE Share Option Scheme in
respect of 1208 shares at 201p per share and 467 shares at 244p per share and
retained the resulting shares.

Together with the retained shares, their beneficial holdings currently stand at
114,412 in the case of Mr Lamb and 82,737 in the case of Mr Slack.

In accordance with Section 329 of the Companies Act 1985, I also hereby notify
you that this Company has received notice from JPMorgan Cazenove Limited, of a
purchase on 26th September 2005 of 7,000 IMI Ordinary shares at a price of
427.00 pence per share on behalf of Mr D C Nicholas, an Executive Director of
this Company.

Yours faithfully


Helen Brown
Corporate Counsel



                      This information is provided by RNS
            The company news service from the London Stock Exchange