Klondex Provides Underground Drill Update at Fire Creek; Continues to Extend High Grade Vein System Along Strike

Klondex Mines Ltd.

VANCOUVER, BC--(Marketwired - September 14, 2017) - Klondex Mines Ltd. (TSX: KDX) (NYSE American: KLDX) ("Klondex" or the "Company") is pleased to provide an update on the 2017 underground drill results at its Fire Creek Mine ("Fire Creek") located in northern Nevada, USA. The following drill results are not included in the current Mineral Resource estimate.