Transaction in Own Shares

IMI PLC
13 March 2008



IMI plc: Transaction in own shares


IMI plc announces that it has today purchased through JPMorgan Cazenove 70,000
ordinary shares at a price of 447.121 pence per share. The purchased shares will
all be held as treasury shares. Following the above purchase, IMI plc holds
16,140,000 ordinary shares as treasury shares.  The total number of ordinary
shares in issue (excluding shares held as treasury shares) is 322,245,529.


Contact:

John O'Shea                         0121 717 3780


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