London, UK--(Marketwire - January 18, 2008) -

18 January 2008

Transaction in own shares.

Smith & Nephew plc announces that on 18 January 2008 it purchased 150,000
ordinary shares of US$0.20 each at a price of 616.683 pence per share. The
purchased shares will be held as treasury shares.

Following the above purchase, Smith & Nephew plc holds 53,657,000 ordinary
shares in treasury, and has 894,107,604 ordinary shares in issue (excluding
treasury shares).

Paul Chambers
Company Secretary

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