3 January 2008 G4S PLC DIRECTORS' DEALINGS The company has been advised that, on 31 December 2007, certain directors of G4S plc acquired ordinary shares of G4S plc as a result of the vesting of shares awarded under the company's synergy bonus scheme relating to the six months period ending 31 December 2004. The transactions were as follows: Nick Buckles acquired 54,478 shares. Trevor Dighton acquired 40,784 shares. In each case the deemed value of the shares was £2.42 per share. As a result of these transactions, the respective holdings of Messrs Buckles and Dighton in ordinary shares of G4S plc are now 1,166,423 and 794,241. Peter David Company Secretary