NOG · Northern Oil & Gas, Inc.

Stock granted pursuant to the Issuer's 2018 Equity Incentive Plan.

Stock granted pursuant to the Issuer's 2018 Equity Incentive Plan.

Stock granted pursuant to the Issuer's 2018 Equity Incentive Plan.

Stock granted pursuant to the Issuer's 2018 Equity Incentive Plan.

Stock granted pursuant to the Issuer's 2018 Incentive Plan.

Stock granted pursuant to the Issuer's 2018 Equity Incentive Plan.

Reflects the weighted average price of 25,760 shares purchased in multiple transactions on June 22, 2026 at prices ranging from $19.330 to $19.510 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.

Stock granted pursuant to the Issuer's 2018 Equity Incentive Plan.

Stock granted pursuant to the Issuer's 2018 Equity Incentive Plan.

Stock granted pursuant to the Issuer's 2018 Equity Incentive Plan.

Stock granted pursuant to the Issuer's 2018 Equity Incentive Plan.

Stock granted pursuant to the Issuer's 2018 Equity Incentive Plan.

Stock granted pursuant to the Issuer's 2018 Incentive Plan.

Restricted stock granted pursuant to the Issuer's 2018 Equity Incentive Plan.

Restricted stock granted pursuant to the Issuer's 2018 Equity Incentive Plan.

Surrender of shares to pay taxes payable upon vesting of restricted stock.

Reflects the last closing price of the company's common stock on or before the date the shares were surrendered.

Restricted stock granted pursuant to the Issuer's 2018 Equity Incentive Plan.

Surrender of shares to pay taxes payable upon vesting of restricted stock.

Reflects the last closing price of the company's common stock on or before the date the shares were surrendered.

Surrender of shares to pay taxes payable upon vesting of restricted stock.

Reflects the last closing price of the company's common stock on or before the date the shares were surrendered.

Restricted stock granted pursuant to the Issuer's 2018 Equity Incentive Plan.

Surrender of shares to pay taxes payable upon vesting of restricted stock.

Reflects the last closing price of the company's common stock on or before the date the shares were surrendered.

Restricted stock granted pursuant to the Issuer's 2018 Equity Incentive Plan.

Surrender of shares to pay taxes payable upon vesting of restricted stock.

Reflects the last closing price of the company's common stock on or before the date the shares were surrendered.

Surrender of shares to pay taxes payable upon vesting of restricted stock.

Reflects the last closing price of the company's common stock on or before the date the shares were surrendered.

Restricted stock granted pursuant to the Issuer's 2018 Equity Incentive Plan.

Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting and settlement of the PSUs described in footnote 1 above.

Reflects the last closing price of the company's common stock on or before the date the shares were surrendered.

Represents shares of common stock acquired upon vesting and settlement of performance-based restricted stock units (PSUs) subject to the Issuer's TSR relative to a peer group for the 2023-2025 performance period.

Represents shares of common stock acquired upon vesting and settlement of performance-based restricted stock units (PSUs) subject to the Issuer's TSR relative to a peer group for the 2023-2025 performance period.

Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting and settlement of the PSUs described in footnote 1 above.

Reflects the last closing price of the company's common stock on or before the date the shares were surrendered.

Represents shares of common stock acquired upon vesting and settlement of performance-based restricted stock units (PSUs) subject to the Issuer's TSR relative to a peer group for the 2023-2025 performance period.

Represents shares of common stock acquired upon vesting and settlement of performance-based restricted stock units (PSUs) subject to the Issuer's TSR relative to a peer group for the 2023-2025 performance period.

Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting and settlement of the PSUs described in footnote 1 above.

Reflects the last closing price of the company's common stock on or before the date the shares were surrendered.

Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting and settlement of the PSUs described in footnote 1 above.

Reflects the last closing price of the company's common stock on or before the date the shares were surrendered.

Represents shares of common stock acquired upon vesting and settlement of performance-based restricted stock units (PSUs) subject to the Issuer's TSR relative to a peer group for the 2023-2025 performance period.

Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting and settlement of the PSUs described in footnote 1 above.

Reflects the last closing price of the company's common stock on or before the date the shares were surrendered.

Stock granted pursuant to the Issuer's 2018 Equity Incentive Plan.

Stock granted pursuant to the Issuer's 2018 Equity Incentive Plan.

Stock granted pursuant to the Issuer's 2018 Equity Incentive Plan.

Stock granted pursuant to the Issuer's 2018 Equity Incentive Plan.

Stock granted pursuant to the Issuer's 2018 Incentive Plan.

Stock granted pursuant to the Issuer's 2018 Equity Incentive Plan.

Stock granted pursuant to the Issuer's 2018 Equity Incentive Plan.

Represents shares donated by the reporting person to a charitable donor advised fund.

Surrender of shares to pay taxes payable upon vesting of restricted stock.

Reflects the last closing price of the company's common stock on or before the date the shares were surrendered.

Surrender of shares to pay taxes payable upon vesting of restricted stock.

Reflects the last closing price of the company's common stock on or before the date the shares were surrendered.

Surrender of shares to pay taxes payable upon vesting of restricted stock.

Reflects the last closing price of the company's common stock on or before the date the shares were surrendered.

Surrender of shares to pay taxes payable upon vesting of restricted stock.

Reflects the last closing price of the company's common stock on or before the date the shares were surrendered.

Surrender of shares to pay taxes payable upon vesting of restricted stock.

Reflects the last closing price of the company's common stock on or before the date the shares were surrendered.

Reflects the weighted average price of 10,000 shares purchased in multiple transactions on Decemer 11, 2025 at prices ranging from $23.3550 to $23.4250 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.