Aug 16 (Reuters) - Origin Energy Ltd ORG.AX :
* FY UNDERLYING PROFIT FROM CONTINUING OPERATIONS $838 MILLION, UP $438 MILLION FROM A YEAR AGO
* EXPECTS UNDERLYING PROFIT TO BE HIGHER AND FURTHER DEBT REDUCTION IN FY2019
* SEES FY2019 ENERGY MARKETS UNDERLYING EBITDA OF $1,500‐1,600 MILLION
* SEES FY2019 APLNG PRODUCTION RANGE OF 660‐690 PJ