Notification of Major Shareholding


20 December 2011

G4S PLC

NOTIFICATION OF MAJOR SHAREHOLDING

The company was notified on 19 December 2011 by BlackRock, Inc that, following a disposal of voting rights, through a chain of controlled undertakings it now holds indirectly voting rights in the company through ordinary shares and through other financial instruments over 70,033,616 ordinary shares.  This amounts to 4.96% of the company's total voting rights.

Peter David
Company Secretary                       

       

For further enquiries, please contact:

Helen Parris - Director of Investor Relations                              +44 (0) 1293 554400

Media enquiries:

David Allchurch or John Sunnucks, Tulchan Group     +44(0) 0207 353 4200      

Notes to Editors:

G4S is the world's leading security solutions group, specialising in outsourcing of business processes in sectors where security and safety risks are considered a strategic threat.  G4S is the largest employer quoted on the London Stock Exchange and has a secondary stock exchange listing in Copenhagen.  G4S has operations in more than 125 countries and more than 635,000 employees.  For more information on G4S, visit www.g4s.com .