Dec 21 (Reuters) - AGL Energy Ltd AGL.AX :
* TRADING UPDATE AND REVISED FY21 GUIDANCE-AGL.AX
* SEES UNDERLYING PROFIT AFTER TAX FOR FY21 TO BE BETWEEN $500 MILLION AND $580 MILLION
* FINANCIAL IMPACT OF LIDDELL UNIT 3 OUTAGE IS NOT RECOVERABLE VIA INSURANCE IN FUTURE YEARS
* ANTICIPATES FURTHER MATERIAL STEP-DOWN IN WHOLESALE ELECTRICITY EARNINGS IN FY22
* EXPECTS LIDDELL POWER STATION UNIT 3 WILL RETURN TO SERVICE IN EARLY MARCH 2021
* SEES FINANCIAL IMPACT OF OUTAGE, ESTIMATED TRADING IMPACTS THROUGH EARLY MARCH 2021, DIRECT COST OF REPLACING TRANSFORMER, TO BE $25 MILLION