Smith & Nephew plc announces that on 17 October 2007 it purchased 220,000 ordinary shares of US$0.20 each at a price of 597.4146 pence per share. The purchased shares will be held as treasury shares. Following the above purchase, Smith & NFephew plc holds 41,550,000 ordinary shares in treasury, and has 904,981,508 ordinary shares in issue (excluding treasury shares).