Feb 21 (Reuters) - Melbana Energy Ltd MAY.AX :
* CURRENT NON- EXECUTIVE CHAIR, ANDREW PURCELL, HAS BEEN APPOINTED EXECUTIVE CHAIR
* MICHAEL SANDY WILL STEP DOWN FROM ROLE AS INTERIM CEO
Feb 21 (Reuters) - Melbana Energy Ltd MAY.AX :
* CURRENT NON- EXECUTIVE CHAIR, ANDREW PURCELL, HAS BEEN APPOINTED EXECUTIVE CHAIR
* MICHAEL SANDY WILL STEP DOWN FROM ROLE AS INTERIM CEO