London, UK--(Marketwire - December 04, 2007) - Smith & Nephew PLC 4 December 2007 Smith & Nephew PLC - Transaction in Own Shares Smith & Nephew PLC announces that on 4 December 2007 it purchased 215,000 ordinary shares of US$0.20 at a price of 566.163 pence per share. The purchased shares will be held as treasury shares.