| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Shaver William M | Chief Operating Officer, Director | C/O MCEWEN INC., 150 KING STREET WEST, SUITE 2800, TORONTO, ONTARIO, CANADA | /s/ William M. Shaver | 23 Dec 2025 | 0001887702 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MUX | Common Stock | Options Exercise | +11,740 | +9.1% | 140,533 | 20 Dec 2025 | Direct | F1 | ||
| transaction | MUX | Common Stock | Options Exercise | +5,700 | +4.1% | 146,233 | 20 Dec 2025 | Direct | F1 | ||
| transaction | MUX | Common Stock | Options Exercise | +2,100 | +1.4% | 148,333 | 20 Dec 2025 | Direct | F1 | ||
| transaction | MUX | Common Stock | Options Exercise | +867 | +0.58% | 149,200 | 20 Dec 2025 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MUX | Restricted Stock Units | Options Exercise | $0 | -11,740 | -50% | $0.000000 | 11,740 | 20 Dec 2025 | Common Stock | 11,740 | Direct | F1, F2 | |
| transaction | MUX | Restricted Stock Units | Options Exercise | $0 | -5,700 | -33% | $0.000000 | 11,400 | 20 Dec 2025 | Common Stock | 5,700 | Direct | F1, F3 | |
| transaction | MUX | Restricted Stock Units | Options Exercise | $0 | -2,100 | -50% | $0.000000 | 2,100 | 20 Dec 2025 | Common Stock | 2,100 | Direct | F1, F4 | |
| transaction | MUX | Restricted Stock Units | Options Exercise | $0 | -867 | -50% | $0.000000 | 867 | 20 Dec 2025 | Common Stock | 867 | Direct | F1, F5 |
| Id | Content |
|---|---|
| F1 | Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock, or the cash value thereof as set forth in the award agreement, in the discretion of the Issuer's Compensation, Nominating & Corporate Governance Committee. |
| F2 | The restricted stock units were granted on June 29, 2025 and vested as to 11,740 shares on December 20, 2025. The restricted stock units will vest as to the remaining shares on June 29, 2026. |
| F3 | The restricted stock units were granted on November 10, 2025 and vested as to 5,700 shares on December 20, 2025. The restricted stock units will vest as to the remaining shares in two equal installments on each of June 29, 2026 and December 20, 2026. |
| F4 | The restricted stock units were granted on August 11, 2025. Subsequently, the vesting schedule of the restricted stock units was amended to accelerate the second vesting event from December 28, 2025 to December 20, 2025. Accordingly, the restricted stock units vested as to 2,100 shares on December 20, 2025. The restricted stock units will vest as to the remaining shares on June 28, 2026. |
| F5 | The restricted stock units were granted on September 8, 2025. Subsequently, the vesting schedule of the restricted stock units was amended to accelerate the second vesting event from December 28, 2025 to December 20, 2025. Accordingly, the restricted stock units vested as to 867 shares on December 20, 2025. The restricted stock units will vest as to the remaining shares on June 28, 2026. |