ISTANBUL- Turkey has mandated Citigroup C.N , Deutsche Bank DBKGn.DE and HSBC HSBA.L for the issuance of a dollar-denominated bond due in 2028, the Turkish Treasury said on Tuesday.

The Treasury mandated the institutions as part of its 2018 external borrowing programme, it said.

(Reporting by Ece Toksabay; Writing by Ezgi Erkoyun; Editing by David Dolan) ((ezgi.erkoyun@thomsonreuters.com; +90-212-350 7051; Reuters Messaging: ezgi.erkoyun.thomsonreuters.com@reuters.net;))