Transaction in Own Shares

IMI PLC
15 April 2008



IMI plc: Transaction in own shares



IMI plc announces that it has today purchased through Citigroup 150,000

ordinary shares at a price of 453.82 pence per share. The purchased shares

will all be held as treasury shares. Following the above purchase, IMI plc holds

17,260,000 ordinary shares as treasury shares. The total number of ordinary

shares in issue (excluding shares held as treasury shares) is 321,131,430.



Contact:

John O'Shea                         0121 717 3780




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