Klondex Files Technical Report Relating to the True North Gold Mine

Klondex Mines Ltd.

VANCOUVER, BC--(Marketwired - May 15, 2017) - Klondex Mines Ltd. (TSX: KDX)(NYSE MKT: KLDX) ("Klondex" or the "Company") is pleased to report that its independent technical report titled "Technical Report for the True North Mine, Bissett, Manitoba, Canada" has been filed on EDGAR and SEDAR and is now also available on the Company's website. Practical Mining LLC authored the report, which is dated May 12, 2017, with an effective date of March 31, 2017 (the "Technical Report").