Oct 3 (Reuters) - Zenith Energy Ltd ZEN.AX :
* UPDATES ON POWER PURCHASE AGREEMENT WITH GNT RESOURCES
* CONSIDERED IMPACT OF REMOVAL OF GASCOYNE CONTRACT ENTIRELY & PROVIDED WORST-CASE IMPACT OF ABOUT $2M REDUCTION IN EBITDA FOR FY20
* ADVERSE IMPACT TO FY20 EARNINGS FROM GASCOYNE VOLUNTARY ADMINISTRATION LIKELY TO BE MATERIALLY LESS THAN SCENARIO OUTLINED PREVIOUSLY