SThree plc 19 December 2007 SThree plc Purchase of own shares SThree plc announces that on 18 December 2007, it purchased for cancellation, 100,000 ordinary shares of 1p each at an average price of 204.28 pence per share. The highest price paid was 205.5 pence per share and the lowest price paid was 202 pence per share. For confirmation the Company's issued capital is now 137,052,163 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