SThree plc

                                                                              Purchase of own shares

SThree plc announces that on 18 August 2008, it purchased for cancellation, 250,000 ordinary shares of 1p each 
at an average price of 208.4108 pence per share.

The highest price paid was 214.25 pence per share and the lowest price paid was 204.25 pence per share.

For confirmation the Company's issued capital is now 127,028,422 ordinary shares of 1p each.

Steve Hornbuckle 
Company Secretary 
020 7292 3838