Klondex Encounters High-Grade Mineralization at Hatter Graben; Midas Mill Recovery of Hollister Ore Improving

VANCOUVER, BC--(Marketwired - November 20, 2017) - Klondex Mines Ltd. (TSX: KDX) (NYSE American: KLDX) ("Klondex" or the "Company") is pleased to provide the initial results from the 2017 surface exploration drill program at the Hatter Graben zone near its Hollister Mine ("Hollister") and report on progress made at the Midas mill regarding recovery of Hollister ore. Both Hollister and the Company's Midas mill are located in northern Nevada, USA.