London, UK--(Marketwire - October 1, 2007) - 1 October 2007

Transaction in own shares.

Smith & Nephew plc announces that on 1 October 2007 it purchased 250,000 ordinary shares of US$0.20 each at a price of 598.0247 pence per share. The purchased shares will be held as treasury shares.

Following the above purchase, Smith & Nephew plc holds 38,633,000 ordinary shares in treasury, and has 907,843,014 ordinary shares in issue (excluding treasury shares).

Paul Chambers
Company Secretary

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