Feb 28 (Reuters) - Energy World Corporation Ltd EWC.AX :
* HY PROFIT AFTER INCOME TAX EXPENSE ATTRIBUTABLE US$6.3 MILLION, DOWN 48.7 PERCENT
* HY REVENUE FROM ORDINARY ACTIVITIES US$68.1 MILLION, DOWN 19.9 PERCENT
* "CONDITIONS INDICATE A MATERIAL UNCERTAINTY REGARDING THE GROUP'S ABILITY TO CONTINUE AS A GOING CONCERN"