London, UK -- (MARKET WIRE) -- May 11, 2007 --

11 May 2007

Transaction in own shares.

Smith & Nephew plc announces that on 11 May 2007 it purchased 750,000 ordinary shares of US$0.20 each at a price of 631.6779 pence per share. The purchased shares will be held as treasury shares.

Following the above purchase, Smith & Nephew plc holds 9,715,000 ordinary shares in treasury, and has 935,876,026 ordinary shares in issue (excluding treasury shares).

Paul Chambers
Company Secretary

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