Dec 15 (Reuters) - Genworth Mortgage Insurance Australia Ltd GMA.AX :
* FINALISED ITS ANNUAL REVIEW OF PREMIUM EARNING PATTERN
* 2017 NET EARNED PREMIUM IS EXPECTED TO BE APPROXIMATELY 17 - 19 PER CENT LOWER THAN 2016
* CONTINUES TO TARGET ORDINARY DIVIDEND PAYOUT RATIO RANGE OF 50 TO 80 PERCENT OF UNDERLYING NPAT
* CHANGE TO PREMIUM EARNING PATTERN WILL NEGATIVELY IMPACT NET EARNED PREMIUM BY APPROXIMATELY $40 MILLION
* CHANGE TO LENGTHEN AVERAGE DURATION OF PERIOD OVER WHICH GENWORTH RECOGNISES ITS REVENUE BY ABOUT 12 MNTHS
* CO EXPECTS FY LOSS RATIO TO REMAIN BETWEEN 35 AND 40 PER CENT
* CHANGE TO ALSO INTRODUCE A THIRD SEPARATE EARNINGS CURVE FOR BUSINESS WRITTEN IN 2015 AND LATER
* CHANGE TO PREMIUM EARNING PATTERN EXPECTED TO HAVE MINIMAL IMPACT ON GENWORTH'S REGULATORY SOLVENCY RATIO
* MODIFIED PREMIUM EARNING PATTERN TO BE APPLIED TO REVENUE RECOGNITION IN INCOME STATEMENT FOR 4Q17 AND THEREON