April 11 (Reuters) - Alligator Energy Ltd AGE.AX :
* APPOINTS GREG HALL AS ACTING CHIEF EXECUTIVE OFFICER EFFECTIVE 1 APRIL 2018
* JOHN MAIN RETURNS TO ROLE OF NON-EXECUTIVE CHAIRMAN
April 11 (Reuters) - Alligator Energy Ltd AGE.AX :
* APPOINTS GREG HALL AS ACTING CHIEF EXECUTIVE OFFICER EFFECTIVE 1 APRIL 2018
* JOHN MAIN RETURNS TO ROLE OF NON-EXECUTIVE CHAIRMAN