SThree plc 18 February 2008 SThree plc Purchase of own shares SThree plc announces that on 15 February 2008, it purchased for cancellation, 85,000 ordinary shares of 1p each at an average price of 214.5231 pence per share. The highest price paid was 216.022 pence per share and the lowest price paid was 212 pence per share. For confirmation the Company's issued capital is now 134,627,163 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