EX-21 4 ex_226543.htm EXHIBIT 21

Exhibit 21

SUBSIDIARIES1

Name |  | State/Country of Incorporation |  | Ownership Percentage
Hecla Limited |  | Delaware |  | 100%
Hecla Admiralty Company Hecla Greens Creek Mining Company Hecla Juneau Mining Company |  | Delaware Delaware Delaware |  | 100% 100% 100%
Hecla Alaska LLC |  | Delaware |  | 100%
Hecla Canada Ltd. |  | Federal Canadian |  | 100%
Hecla Silver Valley, Inc. |  | Delaware |  | 100%
Mines Management, Inc. Newhi, Inc. Montanore Minerals Corp. |  | Idaho Washington Delaware |  | 100% 100% 100%
Silver Hunter Mining Company |  | Delaware |  | 100%
Rio Grande Silver, Inc. Hecla MC Subsidiary, LLC |  | Delaware Delaware |  | 100% 100%
Hecla Montana, Inc. Revett Silver Company Troy Mine Inc. RC Resources, Inc. Revett Exploration, Inc. Revett Holdings, Inc. |  | Delaware Montana Montana Montana Montana Montana |  | 100% 100% 100% 100% 100% 100%
Burke Trading Inc. Industrias Hecla, S.A. de C.V. Mineral Hecla, S.A. de C.V. |  | Delaware Mexico Mexico |  | 100% 100% 100%
Hecla Quebec Inc. |  | Federal Canadian |  | 100%
Klondex Mines Unlimited Liability Company Klondex Holdings (USA) Inc. Klondex Gold & Silver Mining Co. Klondex Midas Holdings Limited Klondex Midas Operations Inc. Klondex Aurora Mine Inc. Klondex Hollister Mine Inc. |  | Federal Canadian Nevada Nevada Nevada Nevada Nevada Nevada |  | 100% 100% 100% 100% 100% 100% 100%

1 Determined in accordance with Item 601 of Regulation S-K