Aug 9 (Reuters) - Whitehaven Coal Ltd WHC.AX :
* UPDATED ITS MANAGED COAL RESOURCES AND COAL RESERVES UNDER JORC CODE 2012
* TOTAL COAL RESOURCES DECREASED BY 80MT FROM 3,982MT IN AUGUST 2017 TO 3,902MT IN AUGUST 2018
* AUGUST COAL RESERVES INCREASED BY 11MT TO 985MT