London, UK--(Marketwire - October 18, 2007) -

18 October  2007

Transaction in own shares.

Smith & Nephew plc announces that on 18 October 2007 it purchased 240,000
ordinary shares of US$0.20 each at a price of 612.6398 pence per share. The
purchased shares will be held as treasury shares.

Following the above purchase, Smith & Nephew plc holds 41,790,000 ordinary
shares in treasury, and has 904,741,508 ordinary shares in issue (excluding
treasury shares).

Paul Chambers
Company Secretary

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