| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Sprott Eric | 10%+ Owner | 7 KING STREET EAST SUITE 1106, TORONTO, ONTARIO, CANADA | /s/ Eric Sprott | 30 Dec 2025 | 0001491714 |
| 2176423 Ontario Ltd. | 10%+ Owner | 7 KING STREET EAST SUITE 1106, TORONTO, ONTARIO, CANADA | /s/ Eric Sprott | 30 Dec 2025 | 0001925668 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | HYMC | Class A common stock | Purchase | $2,479,000 | +100,000 | +0.33% | $24.79* | 30,856,352 | 24 Dec 2025 | By Sprott Mining Inc. | F1 |
| transaction | HYMC | Class A common stock | Purchase | $2,483,000 | +100,000 | +0.32% | $24.83* | 30,956,352 | 26 Dec 2025 | By Sprott Mining Inc. | F1 |
| transaction | HYMC | Class A common stock | Purchase | $2,503,000 | +100,000 | +0.32% | $25.03* | 31,056,352 | 26 Dec 2025 | By Sprott Mining Inc. | F1 |
| transaction | HYMC | Class A common stock | Purchase | $9,080,000 | +400,000 | +1.3% | $22.70* | 31,456,352 | 29 Dec 2025 | By Sprott Mining Inc. | F1 |
| 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. |