20 September 2007 G4S PLC DEALINGS BY DIRECTORS AND PERSONS DISCHARGING MANAGERIAL RESPONSIBILITY (Disclosures made in accordance with DR 3.1.2R) On 30 August 2007 the following ordinary shares of G4S plc were acquired by directors of and other persons discharging managerial responsibility within G4S plc as result of a vesting of shares awarded under the company's performance share plan. The deemed value of the shares in each case was £1.9784 per share: Directors Nick Buckles 136,902 shares Trevor Dighton 102,493 shares Grahame Gibson 114,575 shares Persons discharging managerial responsibilities Irene Cowden 68,817 shares Søren Lundsberg-Nielsen 58,568 shares Ken Niven 73,206 shares As a result of these transactions, the holdings in ordinary shares of G4S plc of the directors mentioned above are now: Nick Buckles 1,111,945 shares Trevor Dighton 753,457 shares Grahame Gibson 512,409 shares Peter David Company Secretary