Director/PDMR Shareholding







16 May 2011





                                    G4S PLC

            DEALING BY PERSON DISCHARGING MANAGERIAL RESPONSIBILITY
                (Disclosure made in accordance with DTR 3.1.2R)


The  company has been  notified that Ken  Niven, a person discharging managerial
responsibility within G4S plc, sold 300,000 ordinary shares of G4S plc in the UK
on 13 May 2011.  The shares were sold at £2.8375 per share.




Peter David
Company Secretary

[HUG#1516156]