ISTANBUL - Turkish state-owned lender Ziraat Bank posted a net profit of 1.7 billion lira ($311 million) in the third quarter, down 22 percent from a year earlier, it said in a filing to the Istanbul stock exchange on Friday. ($1 = 5.4714 liras)

(Reporting by Can Sezer; Editing by Daren Butler) ((daren.butler@tr.com; +90-212-350 7053; Reuters Messaging: daren.butler.thomsonreuters.com@reuters.net))