HYMC · Hycroft Mining Holding Corp

Represents the number of Class A Common Stock shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units previously granted.

Represents the number of Class A Common Stock shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units previously granted.

Represents the number of Class A Common Stock shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units previously granted.

Represents the number of Class A Common Stock shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units previously granted.

Represents the sale of shares of the issuer's Class A common stock ("Common Stock") at a weighted average price of $26.32 per share.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.30 to $26.40 per share, inclusive. The Reporting Person undertakes to provide to the staff of the Securities and Exchange Commission, the Issuer, or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

Of this amount, 164,573 were unvested RSUs as of June 18, 2026.

Of this amount, 199,237 were unvested RSUs as of June 16, 2026.

Represents the sale of shares of the issuer's Class A common stock ("Common Stock") in order to facilitate the payment of taxes related to vested restricted stock units ("RSUs") held by the reporting person that were converted to shares of Common Stock.

The price reported is a weighted average price. The shares were sold at prices ranging from $30.36 to $32. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price

Of this amount, 683,997 were unvested RSUs as of June 8, 2026.

Represents the sale of shares of common stock in order to facilitate the payment of taxes related to vested restricted stock units ("RSUs") held by the reporting person that were converted to shares of common stock.

The price reported is a weighted average price. The shares were sold at prices ranging from $30.06 to $30.4. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price

Of this amount, 358,035 were unvested RSUs as of June 8, 2026.

Represents the sale of shares of the issuer's Class A common stock ("Common Stock") in order to facilitate the payment of taxes related to vested restricted stock units ("RSUs") held by the reporting person that were converted to shares of Common Stock.

The price reported is a weighted average price. The shares were sold at prices ranging from $30.06 to $30.4. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price

Of this amount, 164,573 were unvested RSUs as of June 4, 2025.

Represents the sale of shares of the issuer's Class A common stock ("Common Stock") in order to facilitate the payment of taxes related to vested restricted stock units ("RSUs") held by the reporting person that were converted to shares of Common Stock.

The price reported is a weighted average price. The shares were sold at prices ranging from $29.9 to $30.44. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price.

Of this amount, 199,104 were unvested RSUs as of June 8, 2026.

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.

Represents the award of restricted stock units ("RSUs"). Subject to the reporting person's continued employment with the issuer, the RSUs will vest as follows: 33% on April 16, 2027, 33% on April 16, 2028, and 34% on April 16, 2029. Each RSU represents a contingent right to receive one share of the issuer's Class A common stock (the "Common Stock"). On the respective vesting date, vested RSUs will convert into shares of Common Stock; provided, however, that if, on that conversion date, the reporting person is prohibited from trading in the issuer's securities pursuant to applicable securities laws or the Company's policies, the conversion date shall be, in the determination of the Compensation Committee of the issuer's Board of Directors, the 2nd trading day after the date the reporting person is no longer prohibited from such trading.

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.

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.

The Reporting Person sold 9,071 shares of Class A Common Stock on the open market with a weighted average sales price of $39.332.

The reported transaction relates to the reporting person's receipt of 3,062 restricted stock units as the reporting person's 2026 annual equity award grant for service as a non-employee member of the issuer's Board of Directors, which will vest on March 9, 2027, subject to the reporting person's continued service as a director of the issuer.

The reported transaction relates to the reporting person's receipt of 3,062 restricted stock units as the reporting person's 2026 annual equity award grant for service as a non-employee member of the issuer's Board of Directors, which will vest on March 9, 2027, subject to the reporting person's continued service as a director of the issuer.

The reported transaction relates to the reporting person's receipt of 5,359 restricted stock units ("RSUs") as (i) the reporting person's initial equity award grant for service as a non-employee member of the issuer's Board of Directors (2,297 RSUs), of which 765, 766 and 766 will vest on March 9, 2027, March 9, 2028 and March 9, 2029, respectively, and (ii) as the reporting person's 2026 annual equity award grant for service as a non-employee member of the issuer's Board of Directors (3,062 RSUs), which will vest on March 9, 2027, in each case, subject to the reporting person's continued service as a director of the issuer.

The amount in this column has been corrected from the amount reported in the reporting person's Form 4 dated March 11, 2026 to reflect the correct number of restricted stock units that were granted.

The reported transaction relates to the reporting person's receipt of 5,231 restricted stock units as the reporting person's 2026 annual equity award grant for service as a non-employee member of the issuer's Board of Directors, which will vest on March 9, 2027, subject to the reporting person's continued service as a director of the issuer.

Represents the award of restricted stock units ("RSUs") by the issuer. Subject to the reporting person's continued employment with the issuer, 33% of the RSUs vest on each of March 9, 2027 and March 9, 2028 and 34% vest on March 9, 2029. Each RSU represents a contingent right to receive one share of the issuer's Class A common stock (the "Common Stock"). On the respective vesting date, vested RSUs will convert into shares of Common Stock on a one-to-one basis.

Represents the award of restricted stock units ("RSUs") by the issuer. Subject to the reporting person's continued employment with the issuer, 33% of the RSUs vest on each of March 9, 2027 and March 9, 2028 and 34% vest on March 9, 2029. Each RSU represents a contingent right to receive one share of the issuer's Class A common stock (the "Common Stock"). On the respective vesting date, vested RSUs will convert into shares of Common Stock on a one-to-one basis.

Represents the award of restricted stock units ("RSUs") by the issuer. Subject to the reporting person's continued employment with the issuer, 33% of the RSUs vest on each of March 9, 2027 and March 9, 2028 and 34% vest on March 9, 2029. Each RSU represents a contingent right to receive one share of the issuer's Class A common stock (the "Common Stock"). On the respective vesting date, vested RSUs will convert into shares of Common Stock on a one-to-one basis.

Represents the award of restricted stock units ("RSUs") by the issuer. Subject to the reporting person's continued employment with the issuer, 33% of the RSUs vest on each of March 9, 2027 and March 9, 2028 and 34% vest on March 9, 2029. Each RSU represents a contingent right to receive one share of the issuer's Class A common stock (the "Common Stock"). On the respective vesting date, vested RSUs will convert into shares of Common Stock on a one-to-one basis.

The reported transaction relates to the reporting person's receipt of 3,062 restricted stock units as the reporting person's 2026 annual equity award grant for service as a non-employee member of the issuer's Board of Directors, which will vest on March 9, 2027, subject to the reporting person's continued service as a director of the issuer.

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.

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.

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.

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.

This amendment corrects the amount of securities withheld by the issuer to satisfy tax withholding.

This amendment corrects the amount of securities withheld by the issuer to satisfy tax withholding.

This amendment corrects the amount of securities withheld by the issuer to satisfy tax withholding.

This amendment corrects the amount of securities withheld by the issuer to satisfy tax withholding.

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.

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.

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.

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.

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.

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.

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.

Represents the sale of 15,000 shares on the open market by the reporting person on December 29, 2025 at an average sale price of $21.21 per share.

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.

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.

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.

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.

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.

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.

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.

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.