Exhibit 1
JOINT FILING AGREEMENT
The undersigned hereby agree to the joint filing of the Schedule 13D to which this Agreement is attached.
HECLA MINING COMPANY | ||
/s/ David C. Sienko | ||
Name: | David C. Sienko | |
Title: | Vice President & General Counsel | |
Dated: June 1, 2016 | ||
HL IDAHO CORP. | ||
/s/ Luther J. Russell | ||
Name: | Luther J. Russell | |
Title: | President | |
Dated: June 1, 2016 |