Transaction in Own Shares

IMI PLC
16 November 2007



IMI plc announces that it has today purchased through Citigroup 200,000

ordinary shares at a price of 485.3138 pence per share. The purchased shares

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

37,881,586 ordinary shares as treasury shares. The total number of ordinary

shares in issue (excluding shares held as treasury shares) is 325,759,405.



Contact:

John O'Shea                         0121 717 3780




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