ISTANBUL- Turkey's Garanti Bank GARAN.IS reclassified Oger Telecom's debt as "closely watched" as of the end of 2017, it said on Thursday, keeping the troubled loan on its books after Oger has repeatedly failed to make payments.

Turkey's Isbank ISCTR.IS also classified Oger Telecom's loan as "closely watched" at the end last year, sources close to the matter told Reuters on Thursday.

Turkey's Akbank also said it classified its loan to Oger as "closely watched" in a stock exchange filing on Monday.

(Reporting by Ebru Tuncay; Writing by Ezgi Erkoyun; Editing by David Dolan) ((; +90-212-350 7051; Reuters Messaging:;))