May 10 (Reuters) - Perenti Global Ltd PRN.AX :
* NON-EXECUTIVE CHAIRMAN, IAN COCHRANE WILL STEP DOWN FROM BOARD
* APPOINTED NON-EXECUTIVE DEPUTY CHAIRMAN, ROBERT COLE, AS CHAIRMAN
May 10 (Reuters) - Perenti Global Ltd PRN.AX :
* NON-EXECUTIVE CHAIRMAN, IAN COCHRANE WILL STEP DOWN FROM BOARD
* APPOINTED NON-EXECUTIVE DEPUTY CHAIRMAN, ROBERT COLE, AS CHAIRMAN