Transaction in Own Shares

IMI PLC
18 April 2007


IMI plc: Transaction in own shares


IMI plc announces that it has today purchased through JPMorgan Cazenove 250,000
ordinary shares at a price of 559.1660 pence per share. The purchased shares
will all be held as treasury shares. Following the above purchase, IMI plc holds
27,371,313 ordinary shares as treasury shares.  The total number of ordinary
shares in issue (excluding shares held as treasury shares) is 334,778,230.


Contact:

John O'Shea                         0121 717 3780



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