Transaction in Own Shares

IMI PLC
21 September 2006



IMI PLC

21 September 2006

IMI plc: Transaction in own shares

IMI plc announces that it has today purchased through Citigroup 200,000
ordinary shares at a price of 489.09 pence per share. The purchased shares
will all be held as treasury shares. Following the above purchase, IMI plc holds
21,401,313 ordinary shares as treasury shares. The total number of ordinary
shares in issue (excluding shares held as treasury shares) is 339,404,671.

Contact:

John O'Shea                         0121 717 3780




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