X0306 4 2018-07-20 1 0001311605 Klondex Mines Unlimited Liability Co KLDX 0001692321 Antwi John A. C/O KLONDEX MINES LTD. 6110 PLUMAS STREET, SUITE A RENO NV 89519 0 1 0 0 Sr. VP, Strategic Development Common Shares 2018-07-20 4 D 0 39090 D 0 D Restricted Share Units ("RSUs") 2018-07-20 4 D 0 25108 0 A Common Shares 25108 0 D Performance-Based Restricted Share Units ("PSUs") 2018-07-20 4 D 0 27590 0 A Common Shares 27590 0 D The common shares were disposed of upon completion of a statutory plan of arrangement under the Business Corporations Act (British Columbia) (the "Arrangement") and pursuant to an arrangement agreement dated March 16, 2018, by and among the Issuer, Hecla Mining Company ("Hecla") and 1156291 B.C. Unlimited Liability Company, a wholly-owned subsidiary of Hecla, in exchange for $32,878.60 in cash, 16,167 common shares of Hecla, having a market value of $3.220 per share on the effective date of the Arrangement (the "Effective Date") and 4,886 common shares of Havilah Mining Corporation, a subsidiary of Hecla ("Havilah"), having a market value of $0.46 per share on the first date of trading. Each RSU represented a contingent right to receive the economic equivalent of one common share of the Issuer. Immediately prior to the Effective Date, the restricted share units were converted into common shares of the Issuer, which were then disposed of pursuant to the Arrangement in exchange for $21,118.34 in cash, 10,384 common shares of Hecla, having a market value of $3.220 per share on the Effective Date, and 3,138 common shares of Havilah, having a market value of $0.46 per share on the first date of trading. Each PSU represented a contingent right to receive the economic equivalent of one common share of the Issuer. The PSUs were subject to performance criteria to be determined by the compensation committee of the board of directors of the Issuer. Pursuant to the Arrangement, and following determination that the performance criteria had been satisfied, the PSUs were cancelled in exchange for a cash payment of $2.25 per PSU. /s/ John A. Antwi 2018-07-26