The company has been informed that, on 11 May 2011, the trustees of the G4S Employee Benefit Trust (“the Trust”) purchased 893,509 ordinary shares of G4S plc at £2.7785 per share.

Following the acquisition, 3,482,267 ordinary shares of G4S plc are held by the Trust.

The executive directors of the company and other persons within the company discharging managerial responsibilities are within the class of potential beneficiaries under the Trust and are deemed to have a non-beneficial interest in these ordinary shares. However, none of these persons has acquired a beneficial interest in such shares.