G4S plc announced the following changes to the roles and responsibilities of certain of its non-executive directors. The company announced that with regard to Ian Springett taking extended leave of absence in order to undergo treatment for a medical condition. Mr. Springett remains on the board of G4S plc, although he is not currently in a position to take-up the role of Audit Committee chairman as previously envisaged. With immediate effect, Paul Spence becomes interim chairman of the board's Audit Committee and Winnie Fok becomes a member. Mr. Spence is already a member of the Audit Committee and Ms. Fok previously served on this committee between October 2010 and December 2012.