1) AMERICAN EXPLORATION AND PRODUCTION COUNCIL

2) AMERICAN TUNGSTEN AND ANTIMONY FKA TRIGG MINERALS (USA) LLC

3) BHP MINERALS SERVICE CO.

4) CONOCOPHILLIPS

5) DELAWARE NORTH COMPANIES, INCORPORATED

6) DEVON ENERGY

7) EQUINOR US OPERATIONS LLC FKA EQUINOR

8) FENNER GAP MUTUAL WATER COMPANY

9) GARRISON DIVERSION CONSERVANCY DISTRICT

10) HUDBAY MINERALS

11) J.R. SIMPLOT COMPANY

12) KINTERRA CAPITAL CORP.

13) KODA RESOURCES

14) MONUMENT HILLS PARTNERS, LLC

15) PERMIAN RESOURCES OPERATING, LLC

16) SOLCOA INDUSTRIES, INC

17) TWIN METALS MINNESOTA

18) VALHALLA METALS INC.

19) ZANSKAR GEOTHERMAL & MINERALS