DC · Dakota Gold Corp.

Represents restricted stock units ("RSUs") granted under the Issuer's 2022 Stock Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs are scheduled to vest in three equal tranches on August 18, 2027, August 18, 2028 and August 18, 2029.

The options vested in one-third tranches on September 13, 2021, September 13, 2022, and September 13, 2023.

Represents shares of common stock sold at a weighted average sale price of $6.1169 per share. These shares were sold in multiple transactions at prices ranging from $6.145 to $6.155. The reporting person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares of common stock sold at each separate price.

Represents restricted stock units ("RSUs") granted under the Issuer's 2022 Stock Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs are scheduled to vest in three equal tranches on August 1, 2027, August 1, 2028 and August 1, 2029.

Represents restricted stock units ("RSUs") granted under the Issuer's 2022 Stock Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs are scheduled to vest in three equal tranches on August 1, 2027, August 1, 2028 and August 1, 2029.

Represents shares of common stock sold by the Reporting Person on June 1, 2026 solely for the purpose of satisfying tax withholding obligations in connection with the conversion of an aggregate of 33,333 restricted stock units, which vested on June 1, 2026, into shares of common stock upon settlement by the Issuer. Reflects a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $5.9701 to $5.975. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of common shares sold at each separate price.

Represents shares of common stock sold by the Reporting Person on June 1, 2026 solely for the purpose of satisfying tax withholding obligations in connection with the conversion of an aggregate of 50,000 restricted stock units, which vested on June 1, 2026, into shares of common stock upon settlement by the Issuer. Reflects a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $5.96 to $5,965. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of common shares sold at each separate price.

Represents restricted stock units ("RSUs") granted under the Issuer's 2022 Stock Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs are scheduled to vest on June 1, 2027.

Represents restricted stock units ("RSUs") granted under the Issuer's 2022 Stock Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs are scheduled to vest on June 1, 2027.

Represents restricted stock units ("RSUs") granted under the Issuer's 2022 Stock Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs are scheduled to vest on June 1, 2027.

Represents restricted stock units ("RSUs") granted under the Issuer's 2022 Stock Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs are scheduled to vest on June 1, 2027.

Represents restricted stock units ("RSUs") granted under the Issuer's 2022 Stock Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs are scheduled to vest on June 1, 2027.

Represents restricted stock units ("RSUs") granted under the Issuer's 2022 Stock Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs are scheduled to vest on June 1, 2027.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 12, 2026. Represents shares of common stock sold at a weighted average sale price of $5.56 per share. These shares were sold in multiple transactions at prices ranging from $5.560 to $5.575. The reporting person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares of common stock sold at each separate price.

Represents shares of common stock withheld by the Issuer solely for the purposes of paying the exercise price of the stock options in connection with the conversion of the stock options into shares of common stock upon settlement by the Issuer, based on a closing price of $5.67 per share of the common stock on May 6, 2026 on the NYSE American LLC.

The options vested one-third on each of May 17, 2021, May 17, 2022, and May 17, 2023.

The options vested one-third on each of May 17, 2021, May 17, 2022, and May 17, 2023.

Represents shares of common stock withheld by the Issuer solely for the purposes of paying the exercise price of the stock options in connection with the conversion of the stock options into shares of common stock upon settlement by the Issuer, based on a closing price of $6.14 per share of the common stock on April 20, 2026 on the NYSE American LLC.

Represents shares of common stock sold at a weighted average sale price of $6.2201 per share to satisfy tax withholding obligations in connection with the conversion of the stock options into shares of common stock upon settlement by the Issuer. These shares were sold in multiple transactions at prices ranging from $6.1900 to $6.2450. The reporting person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares of common stock sold at each separate price.

Represents shares of common stock sold at a weighted average sale price of $5.61 per share to satisfy tax withholding obligations in connection with the conversion of the stock options into shares of common stock upon settlement by the Issuer. These shares were sold in multiple transactions at prices ranging from $5.60 to $5.61. The reporting person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares of common stock sold at each separate price.

The options vested one-third on each of May 17, 2021, May 17, 2022, and May 17, 2023.

Represents shares of common stock withheld by the Issuer solely for the purposes of paying the exercise price of the stock options in connection with the conversion of the stock options into shares of common stock upon settlement by the Issuer, based on a closing price of $5.77 per share of the common stock on April 13, 2026 on the NYSE American LLC.

Represents restricted stock units ("RSUs") granted under the Issuer's 2022 Stock Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs are scheduled to vest in three equal tranches on April 1, 2027, April 1, 2028 and April 1, 2029.

Represents restricted stock units ("RSUs") granted under the Issuer's 2022 Stock Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs are scheduled to vest in three equal tranches on April 1, 2027, April 1, 2028 and April 1, 2029.

Represents restricted stock units ("RSUs") granted under the Issuer's 2022 Stock Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs are scheduled to vest in three equal tranches on April 1, 2027, April 1, 2028 and April 1, 2029.

The options are scheduled to vest in three equal tranches on April 1, 2027, April 1, 2028 and April 1, 2029.

The options are scheduled to vest in three equal tranches on April 1, 2027, April 1, 2028 and April 1, 2029.

The options are scheduled to vest in three equal tranches on April 1, 2027, April 1, 2028 and April 1, 2029.

Represents shares of common stock sold by the Reporting Person on March 4, 2026 solely for the purpose of satisfying tax withholding obligations in connection with the conversion of an aggregate of 38,587 restricted stock units, which vested on March 1, 2026 and March 3, 2026, into shares of common stock upon settlement by the Issuer.

Represents shares of common stock sold by the Reporting Person on March 4, 2026 solely for the purpose of satisfying tax withholding obligations in connection with the conversion of an aggregate of 28,940 restricted stock units, which vested on March 1, 2026 and March 3, 2026, into shares of common stock upon settlement by the Issuer. Reflects a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $6.29 to $6.2901. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of common shares sold at each separate price.

Represents shares of common stock sold by the Reporting Person on March 4, 2026 solely for the purpose of satisfying tax withholding obligations in connection with the conversion of an aggregate of 33,764 restricted stock units, which vested on March 1, 2026 and March 3, 2026, into shares of common stock upon settlement by the Issuer. Reflects a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $6.2901 to $6.30. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of common shares sold at each separate price.

Represents shares of common stock sold by the Reporting Person on March 4, 2026 solely for the purpose of satisfying tax withholding obligations in connection with the conversion of an aggregate of 68,882 restricted stock units, which vested on March 1, 2026 and March 3, 2026, into shares of common stock upon settlement by the Issuer. Reflects a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $6.32 to $6.335. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of common shares sold at each separate price.

The options are scheduled to vest in three equal tranches on March 1, 2027, March 1, 2028 and March 1, 2029.

Represents shares of common stock sold by the Reporting Person on February 27, 2026 solely for the purpose of satisfying tax withholding obligations in connection with the conversion of the vested PSUs into shares of common stock upon settlement by the Issuer. Reflects a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $7.0101 to $7.035. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of common shares sold at each separate price.

The Reporting Person was previously granted 53,381 performance stock units ("PSUs") on March 1, 2023, which can vest between 0% - 200% of the target number of shares, based on relative total stockholder return of the Issuer as compared to the MVIS Global Junior Gold Miners Index (the "MVIS Index"). Approximately one-third of such PSUs vested in 2026 at 84% of the target number of shares, were settled on February 27, 2026 and were converted into 14,947 shares of common stock.

Represents shares of common stock sold by the Reporting Person on February 27, 2026 solely for the purpose of satisfying tax withholding obligations in connection with the conversion of the vested PSUs into shares of common stock upon settlement by the Issuer. Reflects a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $7.01 to $7.0302. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of common shares sold at each separate price.

The Reporting Person was previously granted 62,278 performance stock units ("PSUs") on March 1, 2023, which can vest between 0% - 200% of the target number of shares, based on relative total stockholder return of the Issuer as compared to the MVIS Global Junior Gold Miners Index (the "MVIS Index"). Approximately one-third of such PSUs vested in 2026 at 84% of the target number of shares, were settled on February 27, 2026 and were converted into 17,438 shares of common stock.

The Reporting Person was previously granted 53,381 performance stock units ("PSUs") on March 1, 2023, which can vest between 0% - 200% of the target number of shares, based on relative total stockholder return of the Issuer as compared to the MVIS Global Junior Gold Miners Index (the "MVIS Index"). Approximately one-third of such PSUs vested in 2026 at 84% of the target number of shares, were settled on February 27, 2026 and were converted into 14,947 shares of common stock.

The Reporting Person was previously granted 57,755 PSUs on March 1, 2024, which can vest between 0% - 200% of the target number of shares, based on relative total stockholder return of the Issuer as compared to the MVIS Index. Approximately one-third of such PSUs vested in 2026 at 84% of the target number of shares, were settled on February 27, 2026 and were converted into 16,170 shares of common stock.

The Reporting Person was previously granted 82,547 PSUs on March 1, 2024, which can vest between 0% - 200% of the target number of shares, based on relative total stockholder return of the Issuer as compared to the MVIS Index. Approximately one-third of such PSUs vested in 2026 at 84% of the target number of shares, were settled on February 27, 2026 and were converted into 23,112 shares of common stock.

The Reporting Person was previously granted 82,547 PSUs on March 1, 2024, which can vest between 0% - 200% of the target number of shares, based on relative total stockholder return of the Issuer as compared to the MVIS Index. Approximately one-third of such PSUs vested in 2026 at 84% of the target number of shares, were settled on February 27, 2026 and were converted into 23,112 shares of common stock.