15 September 2010 G4S PLC NOTIFICATION OF CHANGE IN MAJOR SHAREHOLDING The company was notified today by Credit Suisse Group AG that through a chain of controlled undertakings comprising: 1. Credit Suisse Group AG: 2. Credit Suisse AG; 2.1 Credit Suisse Securities (Europe) Ltd; 2.2 Credit Suisse (UK) Ltd; 2.3 Credit Suisse Asset Management LLC; 2.4 Credit Suisse Securities (USA) LLC; Its holding in the voting rights in the company is now less than 3% 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: Alison Flynn - Media Manager +44 (0) 1293 554400 Kevin Smith - Citigate Dewe Rogerson +44 (0) 7973 672649 Notes to Editors: G4S is the world's leading international security solutions group, specialising in outsourced 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 110 countries and more than 610,000 employees. For more information on G4S, visitwww.g4s.com . [HUG#1444663]
Notification of Change in Major Shareholding
| Source: G4S plc