SThree plc 24 December 2007 SThree plc Purchase of own shares SThree plc announces that on 21 December 2007, it purchased for cancellation, 74,251 ordinary shares of 1p each at an average price of 214.5088 pence per share. The highest price paid was 217pence per share and the lowest price paid was 211.375pence per share. For confirmation the Company's issued capital is now 136,902,912 ordinary shares of 1p each. Steve Hornbuckle Company Secretary 020 7292 3838 This information is provided by RNS The company news service from the London Stock Exchange