| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Sprott Eric | 10%+ Owner | 7 KING STREET EAST SUITE 1106, TORONTO, ONTARIO, CANADA | /s/ Eric Sprott | 2025-12-05 | 0001491714 |
| 2176423 Ontario Ltd. | 10%+ Owner | 7 KING STREET EAST SUITE 1106, TORONTO, ONTARIO, CANADA | /s/ Eric Sprott | 2025-12-05 | 0001925668 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | HYMC | Class A common stock | Purchase | $24.1M | +2.34M | +8.63% | $10.30 | 29.5M | Dec 3, 2025 | By Sprott Mining Inc. | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | HYMC | Warrants | Purchase | $0 | +1.34M | +13.15% | $0.00 | 11.5M | Dec 3, 2025 | Class A Common Stock | 1.34M | $10.68 | See Note | |
| transaction | HYMC | Restricted Stock Units | Purchase | $0 | +12K | $0.00 | 12K | Dec 3, 2025 | Class A Common Stock | 12K | $0.00 | See Note | F2 |
| Id | Content |
|---|---|
| F1 | These securities are owned directly by Sprott Mining Inc. ("Sprott Mining"), a wholly-owned subsidiary of 2176423 Ontario Ltd. Eric Sprott controls 2176423 Ontario Ltd. and has the power to direct the voting and disposition of Class A common stock held by Sprott Mining through his ownership interests in 2176423 Ontario Ltd. All of the Reporting Persons are a "group" for purposes of Section 13(d) of the Exchange Act. |
| F2 | N/A. |