SThree plc 17 December 2007 SThree plc Purchase of own shares SThree plc announces that on 14 December 2007, it purchased for cancellation, 100,000 ordinary shares of 1p each at an average price of 210.495 pence per share. The highest price paid was 212.75 pence per share and the lowest price paid was 209 pence per share. For confirmation the Company's issued capital is now 137,377,163 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