LONDON--(Marketwire - September 17, 2008) -

Transaction in own shares.

Smith & Nephew plc announces that on 17 September 2008 it
purchased 150,000 ordinary shares of USUSD0.20 each at a price
of 616.3375 pence per share. The purchased shares will be held as
treasury shares.

Following the above purchase, Smith & Nephew plc holds 66,650,683
ordinary shares in treasury, and has 882,921,960 ordinary shares in
issue (excluding treasury shares).

Paul Chambers

Company Secretary

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