MUX · McEwen Inc.

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.

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.

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.

The restricted stock units were granted on November 10, 2025 and vested as to 5,700 shares on June 29, 2026. The restricted stock units will vest as to the remaining shares on December 20, 2026.

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.

The restricted stock units were granted on June 29, 2025 and vested as to 11,740 shares on June 29, 2026.

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.

The restricted stock units were granted on November 10, 2025 and vested as to 1,470 shares on June 29, 2026, all of which were settled for cash. The restricted stock units will vest as to the remaining shares on December 20, 2026.

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.

The restricted stock units were granted on March 19, 2026 and vested as to 1,480 shares on June 29, 2026. The restricted stock units will vest as to the remaining shares in two equal installments on each of December 20, 2026 and June 29, 2027.

The option vested in three equal annual installments, beginning June 29, 2024.

The price reported in Column 4 is a weighted average price. The Reporting Person sold shares in multiple transactions at prices ranging from $18.07 to $18.19. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

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.

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.

The restricted stock units were granted on March 19, 2026 and vested as to 630 shares on June 29, 2026, 539 of which were settled for cash. The restricted stock units will vest as to the remaining shares in two equal installments on each of December 20, 2026 and June 29, 2027.

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.

The restricted stock units were granted on June 29, 2025 and vested as to 4,740 shares on June 29, 2026, 4,054 of which were settled for cash.

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.

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.

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.

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.

The restricted stock units were granted on November 10, 2025 and vested as to 310 shares on June 29, 2026, 150 of which were settled for cash. The restricted stock units will vest as to the remaining shares on December 20, 2026.

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.

The restricted stock units were granted on March 19, 2026 and vested as to 380 shares on June 29, 2026, all of which were settled for cash. The restricted stock units will vest as to the remaining shares in two equal installments on each of December 20, 2026 and June 29, 2027.

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.

The restricted stock units were granted on June 29, 2025 and vested as to 3,370 shares on June 29, 2026, all of which were settled for cash.

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.

The restricted stock units were granted on November 10, 2025 and vested as to 2,330 shares on June 29, 2026, 1,993 of which were settled for cash. The restricted stock units will vest as to the remaining shares on December 20, 2026.

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.

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.

The restricted stock units were granted on August 11, 2025 and vested as to 1,300 shares on June 28, 2026, all of which were settled for cash.

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.

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.

The restricted stock units were granted on August 11, 2025 and vested as to 1,866 shares on June 28, 2026, 1,596 of which were settled for cash.

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.

The restricted stock units were granted on September 8, 2025 and vested as to 866 shares on June 28, 2026.

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.

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.

The restricted stock units were granted on August 11, 2025 and vested as to 1,200 shares on June 28, 2026, all of which were settled for cash.

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.

The restricted stock units were granted on August 11, 2025 and vested as to 1,266 shares on June 28, 2026, 678 of which were settled for cash.

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.

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.

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.

The restricted stock units were granted on September 8, 2025 and vested as to 500 shares on June 28, 2026, all of which were settled for cash.

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.

The restricted stock units were granted on August 11, 2025 and vested as to 2,100 shares on June 28, 2026.

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.

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.

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.

The restricted stock units were granted on September 8, 2025 and vested as to 533 shares on June 28, 2026, 285 of which were settled for cash.

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.

The restricted stock units were granted on September 8, 2025 and vested as to 533 shares on June 28, 2026, all of which were settled for cash.

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.

The restricted stock units were granted on September 8, 2025 and vested as to 800 shares on June 28, 2026, 684 of which were settled for cash.

Converted from Canadian price per share of C$25.56 using an exchange rate of C$1.00 = US$0.7182, as reported by the Bank of Canada on June 5, 2026.

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.

The restricted stock units will vest in three equal installments on each of June 29, 2026, December 20, 2026 and June 29, 2027.

Each deferred stock unit represents a right to receive one share of the Issuer's common stock.

The deferred stock units are fully vested and will be delivered to the reporting person on the date of the reporting person's termination of continuous service from the Issuer's Board of Directors (the "Board"), subject to the reporting person's right to elect to defer delivery of the deferred stock units beyond the date of the reporting person's termination of continuous service from the Board.

Each deferred stock unit represents a right to receive one share of the Issuer's common stock.

The deferred stock units are fully vested and will be delivered to the reporting person on the date of the reporting person's termination of continuous service from the Issuer's Board of Directors (the "Board"), subject to the reporting person's right to elect to defer delivery of the deferred stock units beyond the date of the reporting person's termination of continuous service from the Board.

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.

The restricted stock units will vest in three approximately equal installments on each of June 29, 2026, December 20, 2026 and June 29, 2027.

Each deferred stock unit represents a right to receive one share of the Issuer's common stock.

The deferred stock units are fully vested and will be delivered to the reporting person on the date of the reporting person's termination of continuous service from the Issuer's Board of Directors (the "Board"), subject to the reporting person's right to elect to defer delivery of the deferred stock units beyond the date of the reporting person's termination of continuous service from the Board.

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.

The restricted stock units will vest in three equal installments on each of June 29, 2026, December 20, 2026 and June 29, 2027.

Each deferred stock unit represents a right to receive one share of the Issuer's common stock.

The deferred stock units are fully vested and will be delivered to the reporting person on the date of the reporting person's termination of continuous service from the Issuer's Board of Directors (the "Board"), subject to the reporting person's right to elect to defer delivery of the deferred stock units beyond the date of the reporting person's termination of continuous service from the Board.

Each deferred stock unit represents a right to receive one share of the Issuer's common stock.

The deferred stock units are fully vested and will be delivered to the reporting person on the date of the reporting person's termination of continuous service from the Issuer's Board of Directors (the "Board"), subject to the reporting person's right to elect to defer delivery of the deferred stock units beyond the date of the reporting person's termination of continuous service from the Board.

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.

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.

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.

The restricted stock units were granted on June 29, 2025 and vested as to 3,370 shares on December 20, 2025, all of which were settled for cash. The restricted stock units will vest as to the remaining shares on June 29, 2026.

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.

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.

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.

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.