London, UK--(Marketwire - September 25, 2007) -

Smith & Nephew PLC

25 September 2007

Smith & Nephew PLC - Transaction in Own Shares

Smith & Nephew PLC announces that on 25 September 2007 it purchased 750,000
ordinary shares of US$0.20 at a price of 585.169 pence per share. The purchased
shares will be held as treasury shares.

Following the above purchase, Smith & Nephew PLC holds 38,383,000 ordinary
shares in treasury, and has 908,086,914 ordinary shares in issue (excluding
treasury shares).

Paul Chambers
Company Secretary

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