CHRD

SEC source: 0001209191-23-002493 · doc4.xml · nonDerivative · entry 1

Peterson Lynn A · CIK 0001394633 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 253,169

F1 · shares: In connection with the vesting and settlement of restricted stock units through the issuance of the Issuer's common stock, par value $0.01 per share ("Common Stock"), the Issuer withheld Common Stock that would otherwise have been issued to the Reporting Person to satisfy his tax withholding obligations. The number of shares of Common Stock withheld was determined based on the closing price per share of Common Stock on January 4, 2023.

F2 · balance_after: The number of shares of common stock shown in Table 1, Column 5 has been adjusted from prior filings to correct an inadvertent understatement of the number of shares of common stock (including common stock equivalents such as equity awards that were previously reported in Table 1) that are beneficially owned by the Reporting Person, which understatement was initially contained in the Form 4 filed by the Reporting Person on July 1, 2022.

SEC source: 0001209191-23-002166 · doc4.xml · nonDerivative · entry 1

Holroyd Samantha · CIK 0001805570 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,490

F1 · kind: The sale reported in this Form 4 was effected pursuant to a rule 10b5-1 trading plan adopted for tax planning purposes by the reporting person on September 23, 2022.

SEC source: 0001209191-23-002162 · doc4.xml · nonDerivative · entry 1

Regan Michael Scott · CIK 0001828562 · Executive VP, GC & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,250

F1 · kind: The Reporting Person ceased to serve as the Issuer's Executive Vice President, General Counsel & Secretary on December 30, 2022. In connection with the Reporting Person's departure, all outstanding equity awards held by the Reporting Person (which consist solely of common stock equivalents such as restricted stock units that were previously reported in Table I) accelerated in full. The number reported represents shares withheld by the Issuer to satisfy tax withholding obligations of the Reporting Person that arose in connection with the vesting and settlement of such equity awards.

SEC source: 0001209191-23-001488 · doc4.xml · nonDerivative · entry 1

Rimer Charles J. · CIK 0001575480 · Executive VP and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 103,231

F1 · security: Represents a grant of Restricted Stock Units to the Reporting Person by the Issuer. Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock, par value $0.01 per share.

F1 · price: Represents a grant of Restricted Stock Units to the Reporting Person by the Issuer. Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock, par value $0.01 per share.

SEC source: 0001209191-23-001483 · doc4.xml · nonDerivative · entry 1

Lou Michael H · CIK 0001494083 · Executive VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 197,286

F1 · security: Represents a grant of Restricted Stock Units to the Reporting Person by the Issuer. Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock, par value $0.01 per share.

F1 · price: Represents a grant of Restricted Stock Units to the Reporting Person by the Issuer. Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock, par value $0.01 per share.

SEC source: 0001209191-23-001486 · doc4.xml · nonDerivative · entry 1

Peterson Lynn A · CIK 0001394633 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 247,864

F1 · security: Represents a grant of Restricted Stock Units to the Reporting Person by the Issuer. Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock, par value $0.01 per share.

F1 · price: Represents a grant of Restricted Stock Units to the Reporting Person by the Issuer. Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock, par value $0.01 per share.

SEC source: 0001209191-23-001477 · doc4.xml · nonDerivative · entry 1

Brown Daniel E · CIK 0001705952 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 330,534

F1 · security: Represents a grant of Restricted Stock Units to the Reporting Person by the Issuer. Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock, par value $0.01 per share.

F1 · price: Represents a grant of Restricted Stock Units to the Reporting Person by the Issuer. Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock, par value $0.01 per share.

SEC source: 0001209191-22-062746 · doc4.xml · nonDerivative · entry 2

Peterson Lynn A · CIK 0001394633 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 225,823

F1 · kind: The sales reported in this Form 4 were effected pursuant to a rule 10b5-1 trading plan adopted by the Reporting Person on August 5, 2022.

F2 · price: Represents a weighted average price of open market same day sales. Sales of shares took place in multiple transactions at actual prices ranging from $140.07 to $140.31 per share, inclusive.

F3 · price: Full information regarding the number of shares sold at each separate price will be provided upon request by the Commission staff, Chord Energy Corporation, or a Chord Energy Corporation shareholder.

SEC source: 0001209191-22-062746 · doc4.xml · nonDerivative · entry 1

Peterson Lynn A · CIK 0001394633 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 226,523

F1 · kind: The sales reported in this Form 4 were effected pursuant to a rule 10b5-1 trading plan adopted by the Reporting Person on August 5, 2022.

SEC source: 0001209191-22-057685 · doc4.xml · nonDerivative · entry 1

Rimer Charles J. · CIK 0001575480 · Executive VP and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 90,741

F1 · kind: The sales reported in this Form 4 were effected pursuant to a rule 10b5-1 trading plan adopted by the Reporting Person on July 14, 2022.

F2 · price: Represents a weighted average price of open market same day sales. Sales of shares took place in multiple transactions at actual prices ranging from $160.00 to $160.05 per share, inclusive.

F3 · price: Full information regarding the number of shares sold at each separate price will be provided upon request by the Commission staff, Chord Energy Corporation, or a Chord Energy Corporation shareholder.

SEC source: 0001209191-22-057688 · doc4.xml · nonDerivative · entry 6

Peterson Lynn A · CIK 0001394633 · Director · Executive Chair

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 227,138

F1 · kind: The sales reported in this Form 4 were effected pursuant to a rule 10b5-1 trading plan adopted by the Reporting Person on August 5, 2022.

F3 · price: Full information regarding the number of shares sold at each separate price will be provided upon request by the Commission staff, Chord Energy Corporation, or a Chord Energy Corporation shareholder.

F8 · price: Represents a weighted average price of open market same day sales. Sales of shares took place in multiple transactions at actual prices ranging from $164.28 to $164.81 per share, inclusive.

SEC source: 0001209191-22-057688 · doc4.xml · nonDerivative · entry 5

Peterson Lynn A · CIK 0001394633 · Director · Executive Chair

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 227,893

F1 · kind: The sales reported in this Form 4 were effected pursuant to a rule 10b5-1 trading plan adopted by the Reporting Person on August 5, 2022.

F3 · price: Full information regarding the number of shares sold at each separate price will be provided upon request by the Commission staff, Chord Energy Corporation, or a Chord Energy Corporation shareholder.

F7 · price: Represents a weighted average price of open market same day sales. Sales of shares took place in multiple transactions at actual prices ranging from $162.81 to $163.63 per share, inclusive.

SEC source: 0001209191-22-057688 · doc4.xml · nonDerivative · entry 4

Peterson Lynn A · CIK 0001394633 · Director · Executive Chair

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 228,293

F1 · kind: The sales reported in this Form 4 were effected pursuant to a rule 10b5-1 trading plan adopted by the Reporting Person on August 5, 2022.

F3 · price: Full information regarding the number of shares sold at each separate price will be provided upon request by the Commission staff, Chord Energy Corporation, or a Chord Energy Corporation shareholder.

F6 · price: Represents a weighted average price of open market same day sales. Sales of shares took place in multiple transactions at actual prices ranging from $161.72 to $162.43 per share, inclusive.

SEC source: 0001209191-22-057688 · doc4.xml · nonDerivative · entry 3

Peterson Lynn A · CIK 0001394633 · Director · Executive Chair

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 228,593

F1 · kind: The sales reported in this Form 4 were effected pursuant to a rule 10b5-1 trading plan adopted by the Reporting Person on August 5, 2022.

F3 · price: Full information regarding the number of shares sold at each separate price will be provided upon request by the Commission staff, Chord Energy Corporation, or a Chord Energy Corporation shareholder.

F5 · price: Represents a weighted average price of open market same day sales. Sales of shares took place in multiple transactions at actual prices ranging from $160.25 to $161.19 per share, inclusive.

SEC source: 0001209191-22-057688 · doc4.xml · nonDerivative · entry 2

Peterson Lynn A · CIK 0001394633 · Director · Executive Chair

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 228,998

F1 · kind: The sales reported in this Form 4 were effected pursuant to a rule 10b5-1 trading plan adopted by the Reporting Person on August 5, 2022.

F3 · price: Full information regarding the number of shares sold at each separate price will be provided upon request by the Commission staff, Chord Energy Corporation, or a Chord Energy Corporation shareholder.

F4 · price: Represents a weighted average price of open market same day sales. Sales of shares took place in multiple transactions at actual prices ranging from $159.15 to $159.96 per share, inclusive.

SEC source: 0001209191-22-057688 · doc4.xml · nonDerivative · entry 1

Peterson Lynn A · CIK 0001394633 · Director · Executive Chair

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 229,298

F1 · kind: The sales reported in this Form 4 were effected pursuant to a rule 10b5-1 trading plan adopted by the Reporting Person on August 5, 2022.

F2 · price: Represents a weighted average price of open market same day sales. Sales of shares took place in multiple transactions at actual prices ranging from $158.13 to $159.09 per share, inclusive.

F3 · price: Full information regarding the number of shares sold at each separate price will be provided upon request by the Commission staff, Chord Energy Corporation, or a Chord Energy Corporation shareholder.

SEC source: 0001209191-22-048813 · doc4.xml · nonDerivative · entry 1

Peterson Lynn A · CIK 0001394633 · Director · Executive Chair

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 230,138

F1 · shares: In connection with the vesting and settlement of restricted stock units through the issuance of the Issuer's common stock, par value $0.01 per share ("Common Stock"), the Issuer withheld Common Stock that would otherwise have been issued to the Reporting Person to satisfy his tax withholding obligations. The number of shares of Common Stock withheld was determined based on the closing price per share of Common Stock on September 1, 2022.

SEC source: 0001209191-22-048379 · doc4.xml · nonDerivative · entry 1

Holroyd Samantha · CIK 0001805570 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,740

F1 · security: Represents an award of restricted stock units ("RSUs") granted to the Reporting Person that may be settled only for shares of common stock on a one-for-one basis. The RSUs will vest on August 1, 2023, so long as the Reporting Person continuously provides services to the Issuer through such vesting date.

F1 · price: Represents an award of restricted stock units ("RSUs") granted to the Reporting Person that may be settled only for shares of common stock on a one-for-one basis. The RSUs will vest on August 1, 2023, so long as the Reporting Person continuously provides services to the Issuer through such vesting date.

SEC source: 0001209191-22-048377 · doc4.xml · nonDerivative · entry 1

CUNNINGHAM SUSAN M · CIK 0001197220 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,840

F1 · security: Represents an award of restricted stock units ("RSUs") granted to the Reporting Person that may be settled only for shares of common stock on a one-for-one basis. The RSUs will vest on August 1, 2023, so long as the Reporting Person continuously provides services to the Issuer through such vesting date.

F1 · price: Represents an award of restricted stock units ("RSUs") granted to the Reporting Person that may be settled only for shares of common stock on a one-for-one basis. The RSUs will vest on August 1, 2023, so long as the Reporting Person continuously provides services to the Issuer through such vesting date.

SEC source: 0001209191-22-048389 · doc4.xml · nonDerivative · entry 1

Woung-Chapman Marguerite · CIK 0001531214 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,656

F1 · security: Represents an award of restricted stock units ("RSUs") granted to the Reporting Person that may be settled only for shares of common stock on a one-for-one basis. The RSUs will vest on August 1, 2023, so long as the Reporting Person continuously provides services to the Issuer through such vesting date.

F1 · price: Represents an award of restricted stock units ("RSUs") granted to the Reporting Person that may be settled only for shares of common stock on a one-for-one basis. The RSUs will vest on August 1, 2023, so long as the Reporting Person continuously provides services to the Issuer through such vesting date.

SEC source: 0001209191-22-048387 · doc4.xml · nonDerivative · entry 1

Walker Cynthia Lynn · CIK 0001554592 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,240

F1 · security: Represents an award of restricted stock units ("RSUs") granted to the Reporting Person that may be settled only for shares of common stock on a one-for-one basis. The RSUs will vest on August 1, 2023, so long as the Reporting Person continuously provides services to the Issuer through such vesting date. Pursuant to the Reporting Person's election under the award agreement, settlement of vested RSUs has been deferred until the termination of the Reporting Person's relationship with the Issuer.

F1 · price: Represents an award of restricted stock units ("RSUs") granted to the Reporting Person that may be settled only for shares of common stock on a one-for-one basis. The RSUs will vest on August 1, 2023, so long as the Reporting Person continuously provides services to the Issuer through such vesting date. Pursuant to the Reporting Person's election under the award agreement, settlement of vested RSUs has been deferred until the termination of the Reporting Person's relationship with the Issuer.

SEC source: 0001209191-22-048385 · doc4.xml · nonDerivative · entry 1

Taylor Anne · CIK 0001751424 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,840

F1 · security: Represents an award of restricted stock units ("RSUs") granted to the Reporting Person that may be settled only for shares of common stock on a one-for-one basis. The RSUs will vest on August 1, 2023, so long as the Reporting Person continuously provides services to the Issuer through such vesting date. Pursuant to the Reporting Person's election under the award agreement, settlement of vested RSUs has been deferred until the earliest to occur of the termination of the Reporting Person's relationship with the Issuer; a change in control; or January 1, 2030.

F1 · price: Represents an award of restricted stock units ("RSUs") granted to the Reporting Person that may be settled only for shares of common stock on a one-for-one basis. The RSUs will vest on August 1, 2023, so long as the Reporting Person continuously provides services to the Issuer through such vesting date. Pursuant to the Reporting Person's election under the award agreement, settlement of vested RSUs has been deferred until the earliest to occur of the termination of the Reporting Person's relationship with the Issuer; a change in control; or January 1, 2030.

SEC source: 0001209191-22-048383 · doc4.xml · nonDerivative · entry 1

McCarthy Kevin S · CIK 0001304183 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,057

F1 · security: Represents an award of restricted stock units ("RSUs") granted to the Reporting Person that may be settled only for shares of common stock on a one-for-one basis. The RSUs will vest on August 1, 2023, so long as the Reporting Person continuously provides services to the Issuer through such vesting date. Pursuant to the Reporting Person's election under the award agreement, settlement of vested RSUs has been deferred until the earliest to occur of the termination of the Reporting Person's relationship with the Issuer or July 12, 2031.

F1 · price: Represents an award of restricted stock units ("RSUs") granted to the Reporting Person that may be settled only for shares of common stock on a one-for-one basis. The RSUs will vest on August 1, 2023, so long as the Reporting Person continuously provides services to the Issuer through such vesting date. Pursuant to the Reporting Person's election under the award agreement, settlement of vested RSUs has been deferred until the earliest to occur of the termination of the Reporting Person's relationship with the Issuer or July 12, 2031.

SEC source: 0001209191-22-048381 · doc4.xml · nonDerivative · entry 1

KORUS PAUL · CIK 0001196776 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,438

F1 · security: Represents an award of restricted stock units ("RSUs") granted to the Reporting Person that may be settled only for shares of common stock on a one-for-one basis. The RSUs will vest on August 1, 2023, so long as the Reporting Person continuously provides services to the Issuer through such vesting date.

F1 · price: Represents an award of restricted stock units ("RSUs") granted to the Reporting Person that may be settled only for shares of common stock on a one-for-one basis. The RSUs will vest on August 1, 2023, so long as the Reporting Person continuously provides services to the Issuer through such vesting date.

SEC source: 0001209191-22-048375 · doc4.xml · nonDerivative · entry 1

Brooks Douglas E · CIK 0001548147 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,725

F1 · security: Represents an award of restricted stock units ("RSUs") granted to the Reporting Person that may be settled only for shares of common stock on a one-for-one basis. The RSUs will vest on August 1, 2023, so long as the Reporting Person continuously provides services to the Issuer through such vesting date.

F1 · price: Represents an award of restricted stock units ("RSUs") granted to the Reporting Person that may be settled only for shares of common stock on a one-for-one basis. The RSUs will vest on August 1, 2023, so long as the Reporting Person continuously provides services to the Issuer through such vesting date.

SEC source: 0001209191-22-044887 · doc4.xml · nonDerivative · entry 1

Brooks Douglas E · CIK 0001548147 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,985

SEC source: 0000899243-22-025577 · doc4.xml · derivative · entry 4

Lou Michael H · CIK 0001494083 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 21,864 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 65,592 Performance Share Units (which represent 300% of the target number of Performance Share Units (21,864) originally reported by the Reporting Person on a prior Form 4), or an additional 43,728 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period.

F3 · price: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 65,592 Performance Share Units (which represent 300% of the target number of Performance Share Units (21,864) originally reported by the Reporting Person on a prior Form 4), or an additional 43,728 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period.

F3 · derivative.exercise_date: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 65,592 Performance Share Units (which represent 300% of the target number of Performance Share Units (21,864) originally reported by the Reporting Person on a prior Form 4), or an additional 43,728 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period.

F3 · derivative.expiration_date: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 65,592 Performance Share Units (which represent 300% of the target number of Performance Share Units (21,864) originally reported by the Reporting Person on a prior Form 4), or an additional 43,728 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period.

SEC source: 0000899243-22-025577 · doc4.xml · derivative · entry 3

Lou Michael H · CIK 0001494083 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,864

Underlying: Common Stock · 21,864 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 65,592 Performance Share Units (which represent 300% of the target number of Performance Share Units (21,864) originally reported by the Reporting Person on a prior Form 4),

F2 · derivative.exercise_price: (Continued from Footnote 1) or an additional 43,728 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · price: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 65,592 Performance Share Units (which represent 300% of the target number of Performance Share Units (21,864) originally reported by the Reporting Person on a prior Form 4),

F2 · price: (Continued from Footnote 1) or an additional 43,728 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · derivative.exercise_date: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 65,592 Performance Share Units (which represent 300% of the target number of Performance Share Units (21,864) originally reported by the Reporting Person on a prior Form 4),

F2 · derivative.exercise_date: (Continued from Footnote 1) or an additional 43,728 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · derivative.expiration_date: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 65,592 Performance Share Units (which represent 300% of the target number of Performance Share Units (21,864) originally reported by the Reporting Person on a prior Form 4),

F2 · derivative.expiration_date: (Continued from Footnote 1) or an additional 43,728 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

SEC source: 0000899243-22-025577 · doc4.xml · nonDerivative · entry 2

Lou Michael H · CIK 0001494083 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 193,613

F5 · kind: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a relative total shareholder return performance goal based on the Issuer's performance as compared to a predefined peer group or the Russell 2000 constituent companies, as applicable, over a three- or four-year measurement period, as applicable, ended and the Reporting Person earned a total of 37,562 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period. The amount reported in this row includes the 37,562 Performance Share Units described in this Note 5, as well as the additional 43,728 Performance Share Units described in Note 1 and the additional 43,728 Performance Share Units described in Note 3.

F5 · price: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a relative total shareholder return performance goal based on the Issuer's performance as compared to a predefined peer group or the Russell 2000 constituent companies, as applicable, over a three- or four-year measurement period, as applicable, ended and the Reporting Person earned a total of 37,562 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period. The amount reported in this row includes the 37,562 Performance Share Units described in this Note 5, as well as the additional 43,728 Performance Share Units described in Note 1 and the additional 43,728 Performance Share Units described in Note 3.

SEC source: 0000899243-22-025577 · doc4.xml · nonDerivative · entry 1

Lou Michael H · CIK 0001494083 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 68,595

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 65,592 Performance Share Units (which represent 300% of the target number of Performance Share Units (21,864) originally reported by the Reporting Person on a prior Form 4),

F2 · kind: (Continued from Footnote 1) or an additional 43,728 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F3 · kind: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 65,592 Performance Share Units (which represent 300% of the target number of Performance Share Units (21,864) originally reported by the Reporting Person on a prior Form 4), or an additional 43,728 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period.

F1 · price: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 65,592 Performance Share Units (which represent 300% of the target number of Performance Share Units (21,864) originally reported by the Reporting Person on a prior Form 4),

F2 · price: (Continued from Footnote 1) or an additional 43,728 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F3 · price: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 65,592 Performance Share Units (which represent 300% of the target number of Performance Share Units (21,864) originally reported by the Reporting Person on a prior Form 4), or an additional 43,728 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period.

F4 · balance_after: Includes 24,867 shares of the Issuer's common stock, par value $0.01 per share, subject to a previously granted restricted stock unit award, which remain subject to the same time-based vesting schedule.

SEC source: 0000899243-22-025562 · doc4.xml · nonDerivative · entry 1

Rimer Charles J. · CIK 0001575480 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,241

F1 · kind: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), each share of common stock of Whiting was converted into the right to receive 0.5774 shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), and $6.25 in cash, without interest (collectively, the "Merger Consideration"). Pursuant to the Merger Agreement, each outstanding award of Whiting restricted stock units held by the Reporting Person was converted into a time-based award with right to receive, upon vesting,

F2 · kind: (Continued from Footnote 1) the Merger Consideration (each, a "Converted RSU Award") while each outstanding award of Whiting performance stock units held by the Reporting Person was converted into a time-based award (based on the greater of the target number of performance stock units subject to such award or actual achievement of the performance criteria applicable to such award measured based on a truncated performance period ending immediately prior to the effective time of the Merger) with the right to receive, upon vesting, the Merger Consideration (each, a "Converted PSU Award"). As such, the number reported consists of unrestricted shares of Common Stock, shares subject to Converted RSU Awards and shares subject to Converted PSU Awards. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · price: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), each share of common stock of Whiting was converted into the right to receive 0.5774 shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), and $6.25 in cash, without interest (collectively, the "Merger Consideration"). Pursuant to the Merger Agreement, each outstanding award of Whiting restricted stock units held by the Reporting Person was converted into a time-based award with right to receive, upon vesting,

F2 · price: (Continued from Footnote 1) the Merger Consideration (each, a "Converted RSU Award") while each outstanding award of Whiting performance stock units held by the Reporting Person was converted into a time-based award (based on the greater of the target number of performance stock units subject to such award or actual achievement of the performance criteria applicable to such award measured based on a truncated performance period ending immediately prior to the effective time of the Merger) with the right to receive, upon vesting, the Merger Consideration (each, a "Converted PSU Award"). As such, the number reported consists of unrestricted shares of Common Stock, shares subject to Converted RSU Awards and shares subject to Converted PSU Awards. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · balance_after: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), each share of common stock of Whiting was converted into the right to receive 0.5774 shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), and $6.25 in cash, without interest (collectively, the "Merger Consideration"). Pursuant to the Merger Agreement, each outstanding award of Whiting restricted stock units held by the Reporting Person was converted into a time-based award with right to receive, upon vesting,

F2 · balance_after: (Continued from Footnote 1) the Merger Consideration (each, a "Converted RSU Award") while each outstanding award of Whiting performance stock units held by the Reporting Person was converted into a time-based award (based on the greater of the target number of performance stock units subject to such award or actual achievement of the performance criteria applicable to such award measured based on a truncated performance period ending immediately prior to the effective time of the Merger) with the right to receive, upon vesting, the Merger Consideration (each, a "Converted PSU Award"). As such, the number reported consists of unrestricted shares of Common Stock, shares subject to Converted RSU Awards and shares subject to Converted PSU Awards. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

SEC source: 0000899243-22-025572 · doc4.xml · derivative · entry 4

Reid Taylor L · CIK 0001494078 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 23,428 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 70,284 Performance Share Units (which represent 300% of the target number of Performance Share Units (23,428) originally reported by the Reporting Person on a prior Form 4), or an additional 46,856 Performance Share Units, which earned Performance Share Units were accelerated and settled in shares of Common Stock upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger.

F3 · price: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 70,284 Performance Share Units (which represent 300% of the target number of Performance Share Units (23,428) originally reported by the Reporting Person on a prior Form 4), or an additional 46,856 Performance Share Units, which earned Performance Share Units were accelerated and settled in shares of Common Stock upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger.

F3 · derivative.exercise_date: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 70,284 Performance Share Units (which represent 300% of the target number of Performance Share Units (23,428) originally reported by the Reporting Person on a prior Form 4), or an additional 46,856 Performance Share Units, which earned Performance Share Units were accelerated and settled in shares of Common Stock upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger.

F3 · derivative.expiration_date: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 70,284 Performance Share Units (which represent 300% of the target number of Performance Share Units (23,428) originally reported by the Reporting Person on a prior Form 4), or an additional 46,856 Performance Share Units, which earned Performance Share Units were accelerated and settled in shares of Common Stock upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger.

SEC source: 0000899243-22-025572 · doc4.xml · derivative · entry 3

Reid Taylor L · CIK 0001494078 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,428

Underlying: Common Stock · 23,428 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 70,284 Performance Share Units (which represent 300% of the target number of Performance Share Units (23,428) originally reported by the Reporting Person on a prior Form 4),

F2 · derivative.exercise_price: (Continued from Footnote 1) or an additional 46,856 Performance Share Units, which earned Performance Share Units were settled in shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · price: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 70,284 Performance Share Units (which represent 300% of the target number of Performance Share Units (23,428) originally reported by the Reporting Person on a prior Form 4),

F2 · price: (Continued from Footnote 1) or an additional 46,856 Performance Share Units, which earned Performance Share Units were settled in shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · derivative.exercise_date: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 70,284 Performance Share Units (which represent 300% of the target number of Performance Share Units (23,428) originally reported by the Reporting Person on a prior Form 4),

F2 · derivative.exercise_date: (Continued from Footnote 1) or an additional 46,856 Performance Share Units, which earned Performance Share Units were settled in shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · derivative.expiration_date: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 70,284 Performance Share Units (which represent 300% of the target number of Performance Share Units (23,428) originally reported by the Reporting Person on a prior Form 4),

F2 · derivative.expiration_date: (Continued from Footnote 1) or an additional 46,856 Performance Share Units, which earned Performance Share Units were settled in shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

SEC source: 0000899243-22-025572 · doc4.xml · nonDerivative · entry 2

Reid Taylor L · CIK 0001494078 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 207,458

F5 · kind: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a relative total shareholder return performance goal based on the Issuer's performance as compared to a predefined peer group or the Russell 2000 constituent companies, as applicable, over a three- or four-year measurement period, as applicable, ended and the Reporting Person earned a total of 40,244 Performance Share Units, which earned Performance Share Units were settled in shares of Common Stock upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger. The amount reported in this row includes the 40,244 Performance Share Units described in this Note 5, as well as the additional 46,856 Performance Share Units described in Note 1 and the additional 46,856 Performance Share Units described in Note 3.

F5 · price: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a relative total shareholder return performance goal based on the Issuer's performance as compared to a predefined peer group or the Russell 2000 constituent companies, as applicable, over a three- or four-year measurement period, as applicable, ended and the Reporting Person earned a total of 40,244 Performance Share Units, which earned Performance Share Units were settled in shares of Common Stock upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger. The amount reported in this row includes the 40,244 Performance Share Units described in this Note 5, as well as the additional 46,856 Performance Share Units described in Note 1 and the additional 46,856 Performance Share Units described in Note 3.

SEC source: 0000899243-22-025572 · doc4.xml · nonDerivative · entry 1

Reid Taylor L · CIK 0001494078 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,502

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 70,284 Performance Share Units (which represent 300% of the target number of Performance Share Units (23,428) originally reported by the Reporting Person on a prior Form 4),

F2 · kind: (Continued from Footnote 1) or an additional 46,856 Performance Share Units, which earned Performance Share Units were settled in shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F3 · kind: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 70,284 Performance Share Units (which represent 300% of the target number of Performance Share Units (23,428) originally reported by the Reporting Person on a prior Form 4), or an additional 46,856 Performance Share Units, which earned Performance Share Units were accelerated and settled in shares of Common Stock upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger.

F1 · price: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 70,284 Performance Share Units (which represent 300% of the target number of Performance Share Units (23,428) originally reported by the Reporting Person on a prior Form 4),

F2 · price: (Continued from Footnote 1) or an additional 46,856 Performance Share Units, which earned Performance Share Units were settled in shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F3 · price: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 70,284 Performance Share Units (which represent 300% of the target number of Performance Share Units (23,428) originally reported by the Reporting Person on a prior Form 4), or an additional 46,856 Performance Share Units, which earned Performance Share Units were accelerated and settled in shares of Common Stock upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger.

F4 · balance_after: Includes 22,203 shares of Common Stock subject to a previously granted restricted stock unit award, which were accelerated and settled in shares of Common Stock upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger.

SEC source: 0000899243-22-025585 · doc4.xml · nonDerivative · entry 1

KORUS PAUL · CIK 0001196776 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,698

F1 · kind: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), each share of common stock of Whiting was converted into the right to receive 0.5774 shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), and $6.25 in cash, without interest. In addition, pursuant to the Merger Agreement, any outstanding award of Whiting restricted stock units held by the Reporting Person was accelerated in full immediately prior to the effective time of the Merger.

F2 · kind: (Continued from Footnote 1) As such, the number reported consists solely of unrestricted shares of Common Stock. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · price: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), each share of common stock of Whiting was converted into the right to receive 0.5774 shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), and $6.25 in cash, without interest. In addition, pursuant to the Merger Agreement, any outstanding award of Whiting restricted stock units held by the Reporting Person was accelerated in full immediately prior to the effective time of the Merger.

F2 · price: (Continued from Footnote 1) As such, the number reported consists solely of unrestricted shares of Common Stock. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · balance_after: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), each share of common stock of Whiting was converted into the right to receive 0.5774 shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), and $6.25 in cash, without interest. In addition, pursuant to the Merger Agreement, any outstanding award of Whiting restricted stock units held by the Reporting Person was accelerated in full immediately prior to the effective time of the Merger.

F2 · balance_after: (Continued from Footnote 1) As such, the number reported consists solely of unrestricted shares of Common Stock. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

SEC source: 0000899243-22-025584 · doc4.xml · derivative · entry 4

Brown Daniel E · CIK 0001705952 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 37,292 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 111,876 Performance Share Units (which represent 300% of the target number of Performance Share Units (37,292) originally reported by the Reporting Person on a prior Form 4), or an additional 74,584 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period.

F3 · price: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 111,876 Performance Share Units (which represent 300% of the target number of Performance Share Units (37,292) originally reported by the Reporting Person on a prior Form 4), or an additional 74,584 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period.

F3 · derivative.exercise_date: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 111,876 Performance Share Units (which represent 300% of the target number of Performance Share Units (37,292) originally reported by the Reporting Person on a prior Form 4), or an additional 74,584 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period.

F3 · derivative.expiration_date: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 111,876 Performance Share Units (which represent 300% of the target number of Performance Share Units (37,292) originally reported by the Reporting Person on a prior Form 4), or an additional 74,584 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period.

SEC source: 0000899243-22-025584 · doc4.xml · derivative · entry 3

Brown Daniel E · CIK 0001705952 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,292

Underlying: Common Stock · 37,292 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 111,876 Performance Share Units (which represent 300% of the target number of Performance Share Units (37,292) originally reported by the Reporting Person on a prior Form 4),

F2 · derivative.exercise_price: (Continued from Footnote 1) or an additional 74,584 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · price: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 111,876 Performance Share Units (which represent 300% of the target number of Performance Share Units (37,292) originally reported by the Reporting Person on a prior Form 4),

F2 · price: (Continued from Footnote 1) or an additional 74,584 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · derivative.exercise_date: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 111,876 Performance Share Units (which represent 300% of the target number of Performance Share Units (37,292) originally reported by the Reporting Person on a prior Form 4),

F2 · derivative.exercise_date: (Continued from Footnote 1) or an additional 74,584 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · derivative.expiration_date: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 111,876 Performance Share Units (which represent 300% of the target number of Performance Share Units (37,292) originally reported by the Reporting Person on a prior Form 4),

F2 · derivative.expiration_date: (Continued from Footnote 1) or an additional 74,584 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

SEC source: 0000899243-22-025584 · doc4.xml · nonDerivative · entry 2

Brown Daniel E · CIK 0001705952 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 323,187

F5 · kind: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a relative total shareholder return performance goal based on the Issuer's performance as compared to a predefined peer group or the Russell 2000 constituent companies, as applicable, over a three- or four-year measurement period, as applicable, ended and the Reporting Person earned a total of 59,786 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period. The amount reported in this row includes the 59,786 Performance Share Units described in this Note 5, as well as the additional 74,584 Performance Share Units described in Note 1 and the additional 74,584 Performance Share Units described in Note 3.

F5 · price: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a relative total shareholder return performance goal based on the Issuer's performance as compared to a predefined peer group or the Russell 2000 constituent companies, as applicable, over a three- or four-year measurement period, as applicable, ended and the Reporting Person earned a total of 59,786 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period. The amount reported in this row includes the 59,786 Performance Share Units described in this Note 5, as well as the additional 74,584 Performance Share Units described in Note 1 and the additional 74,584 Performance Share Units described in Note 3.

SEC source: 0000899243-22-025584 · doc4.xml · nonDerivative · entry 1

Brown Daniel E · CIK 0001705952 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 114,233

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 111,876 Performance Share Units (which represent 300% of the target number of Performance Share Units (37,292) originally reported by the Reporting Person on a prior Form 4),

F2 · kind: (Continued from Footnote 1) or an additional 74,584 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F3 · kind: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 111,876 Performance Share Units (which represent 300% of the target number of Performance Share Units (37,292) originally reported by the Reporting Person on a prior Form 4), or an additional 74,584 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period.

F1 · price: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 111,876 Performance Share Units (which represent 300% of the target number of Performance Share Units (37,292) originally reported by the Reporting Person on a prior Form 4),

F2 · price: (Continued from Footnote 1) or an additional 74,584 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F3 · price: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 111,876 Performance Share Units (which represent 300% of the target number of Performance Share Units (37,292) originally reported by the Reporting Person on a prior Form 4), or an additional 74,584 Performance Share Units, which earned Performance Share Units shall remain subject to time-based vesting through the end of the original measurement period.

F4 · balance_after: Includes 32,982 shares of the Issuer's common stock, par value $0.01 per share, subject to a previously granted restricted stock unit award, which remain subject to the same time-based vesting schedule.

SEC source: 0000899243-22-025583 · doc4.xml · derivative · entry 4

Lorentzatos Nickolas J · CIK 0001502361 · Executive VP, GC & Corp. Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 13,276 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 39,828 Performance Share Units (which represent 300% of the target number of Performance Share Units (13,276) originally reported by the Reporting Person on a prior Form 4), or an additional 26,552 Performance Share Units, which earned Performance Share Units were accelerated and settled in shares of Common Stock upon the Reporting Person ceasing to serve as Executive Vice President, General Counsel and Corporate Secretary of the Issuer in connection with the Merger.

F3 · price: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 39,828 Performance Share Units (which represent 300% of the target number of Performance Share Units (13,276) originally reported by the Reporting Person on a prior Form 4), or an additional 26,552 Performance Share Units, which earned Performance Share Units were accelerated and settled in shares of Common Stock upon the Reporting Person ceasing to serve as Executive Vice President, General Counsel and Corporate Secretary of the Issuer in connection with the Merger.

F3 · derivative.exercise_date: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 39,828 Performance Share Units (which represent 300% of the target number of Performance Share Units (13,276) originally reported by the Reporting Person on a prior Form 4), or an additional 26,552 Performance Share Units, which earned Performance Share Units were accelerated and settled in shares of Common Stock upon the Reporting Person ceasing to serve as Executive Vice President, General Counsel and Corporate Secretary of the Issuer in connection with the Merger.

F3 · derivative.expiration_date: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 39,828 Performance Share Units (which represent 300% of the target number of Performance Share Units (13,276) originally reported by the Reporting Person on a prior Form 4), or an additional 26,552 Performance Share Units, which earned Performance Share Units were accelerated and settled in shares of Common Stock upon the Reporting Person ceasing to serve as Executive Vice President, General Counsel and Corporate Secretary of the Issuer in connection with the Merger.

SEC source: 0000899243-22-025583 · doc4.xml · derivative · entry 3

Lorentzatos Nickolas J · CIK 0001502361 · Executive VP, GC & Corp. Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,276

Underlying: Common Stock · 13,276 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 39,828 Performance Share Units (which represent 300% of the target number of Performance Share Units (13,276) originally reported by the Reporting Person on a prior Form 4),

F2 · derivative.exercise_price: (Continued from Footnote 1) or an additional 26,552 Performance Share Units, which earned Performance Share Units were settled in shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), upon the Reporting Person ceasing to serve as Executive Vice President, General Counsel and Corporate Secretary of the Issuer in connection with the Merger. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · price: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 39,828 Performance Share Units (which represent 300% of the target number of Performance Share Units (13,276) originally reported by the Reporting Person on a prior Form 4),

F2 · price: (Continued from Footnote 1) or an additional 26,552 Performance Share Units, which earned Performance Share Units were settled in shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), upon the Reporting Person ceasing to serve as Executive Vice President, General Counsel and Corporate Secretary of the Issuer in connection with the Merger. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · derivative.exercise_date: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 39,828 Performance Share Units (which represent 300% of the target number of Performance Share Units (13,276) originally reported by the Reporting Person on a prior Form 4),

F2 · derivative.exercise_date: (Continued from Footnote 1) or an additional 26,552 Performance Share Units, which earned Performance Share Units were settled in shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), upon the Reporting Person ceasing to serve as Executive Vice President, General Counsel and Corporate Secretary of the Issuer in connection with the Merger. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · derivative.expiration_date: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 39,828 Performance Share Units (which represent 300% of the target number of Performance Share Units (13,276) originally reported by the Reporting Person on a prior Form 4),

F2 · derivative.expiration_date: (Continued from Footnote 1) or an additional 26,552 Performance Share Units, which earned Performance Share Units were settled in shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), upon the Reporting Person ceasing to serve as Executive Vice President, General Counsel and Corporate Secretary of the Issuer in connection with the Merger. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

SEC source: 0000899243-22-025583 · doc4.xml · nonDerivative · entry 2

Lorentzatos Nickolas J · CIK 0001502361 · Executive VP, GC & Corp. Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,539

F5 · kind: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a relative total shareholder return performance goal based on the Issuer's performance as compared to a predefined peer group or the Russell 2000 constituent companies, as applicable, over a three- or four-year measurement period, as applicable, ended and the Reporting Person earned a total of 22,804 Performance Share Units, which earned Performance Share Units were settled in shares of Common Stock upon the Reporting Person ceasing to serve as Executive Vice President, General Counsel and Corporate Secretary of the Issuer in connection with the Merger. The amount reported in this row includes the 22,804 Performance Share Units described in this Note 5, as well as the additional 26,552 Performance Share Units described in Note 1 and the additional 26,552 Performance Share Units described in Note 3.

F5 · price: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a relative total shareholder return performance goal based on the Issuer's performance as compared to a predefined peer group or the Russell 2000 constituent companies, as applicable, over a three- or four-year measurement period, as applicable, ended and the Reporting Person earned a total of 22,804 Performance Share Units, which earned Performance Share Units were settled in shares of Common Stock upon the Reporting Person ceasing to serve as Executive Vice President, General Counsel and Corporate Secretary of the Issuer in connection with the Merger. The amount reported in this row includes the 22,804 Performance Share Units described in this Note 5, as well as the additional 26,552 Performance Share Units described in Note 1 and the additional 26,552 Performance Share Units described in Note 3.

SEC source: 0000899243-22-025583 · doc4.xml · nonDerivative · entry 1

Lorentzatos Nickolas J · CIK 0001502361 · Executive VP, GC & Corp. Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,631

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 39,828 Performance Share Units (which represent 300% of the target number of Performance Share Units (13,276) originally reported by the Reporting Person on a prior Form 4),

F2 · kind: (Continued from Footnote 1) or an additional 26,552 Performance Share Units, which earned Performance Share Units were settled in shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), upon the Reporting Person ceasing to serve as Executive Vice President, General Counsel and Corporate Secretary of the Issuer in connection with the Merger. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F3 · kind: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 39,828 Performance Share Units (which represent 300% of the target number of Performance Share Units (13,276) originally reported by the Reporting Person on a prior Form 4), or an additional 26,552 Performance Share Units, which earned Performance Share Units were accelerated and settled in shares of Common Stock upon the Reporting Person ceasing to serve as Executive Vice President, General Counsel and Corporate Secretary of the Issuer in connection with the Merger.

F1 · price: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 39,828 Performance Share Units (which represent 300% of the target number of Performance Share Units (13,276) originally reported by the Reporting Person on a prior Form 4),

F2 · price: (Continued from Footnote 1) or an additional 26,552 Performance Share Units, which earned Performance Share Units were settled in shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), upon the Reporting Person ceasing to serve as Executive Vice President, General Counsel and Corporate Secretary of the Issuer in connection with the Merger. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F3 · price: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 39,828 Performance Share Units (which represent 300% of the target number of Performance Share Units (13,276) originally reported by the Reporting Person on a prior Form 4), or an additional 26,552 Performance Share Units, which earned Performance Share Units were accelerated and settled in shares of Common Stock upon the Reporting Person ceasing to serve as Executive Vice President, General Counsel and Corporate Secretary of the Issuer in connection with the Merger.

F4 · balance_after: Includes 12,582 shares of Common Stock subject to a previously granted restricted stock unit award, which were accelerated and settled in shares of Common Stock upon the Reporting Person ceasing to serve as Executive Vice President, General Counsel and Corporate Secretary of the Issuer in connection with the Merger.

SEC source: 0000899243-22-025582 · doc4.xml · nonDerivative · entry 1

CUNNINGHAM SUSAN M · CIK 0001197220 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,100

F1 · kind: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), each share of common stock of Whiting was converted into the right to receive 0.5774 shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), and $6.25 in cash, without interest. In addition, pursuant to the Merger Agreement, any outstanding award of Whiting restricted stock units held by the Reporting Person was accelerated in full immediately prior to the effective time of the Merger.

F2 · kind: (Continued from Footnote 1) As such, the number reported consists solely of unrestricted shares of Common Stock. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · price: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), each share of common stock of Whiting was converted into the right to receive 0.5774 shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), and $6.25 in cash, without interest. In addition, pursuant to the Merger Agreement, any outstanding award of Whiting restricted stock units held by the Reporting Person was accelerated in full immediately prior to the effective time of the Merger.

F2 · price: (Continued from Footnote 1) As such, the number reported consists solely of unrestricted shares of Common Stock. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · balance_after: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), each share of common stock of Whiting was converted into the right to receive 0.5774 shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), and $6.25 in cash, without interest. In addition, pursuant to the Merger Agreement, any outstanding award of Whiting restricted stock units held by the Reporting Person was accelerated in full immediately prior to the effective time of the Merger.

F2 · balance_after: (Continued from Footnote 1) As such, the number reported consists solely of unrestricted shares of Common Stock. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

SEC source: 0000899243-22-025576 · doc4.xml · nonDerivative · entry 1

Peterson Lynn A · CIK 0001394633 · Director · Executive Chair

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 232,868

F1 · kind: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), each share of common stock of Whiting was converted into the right to receive 0.5774 shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), and $6.25 in cash, without interest (collectively, the "Merger Consideration"). Pursuant to the Merger Agreement, each outstanding award of Whiting restricted stock units held by the Reporting Person was converted into a time-based award with right to receive, upon vesting,

F2 · kind: (Continued from Footnote 1) the Merger Consideration (each, a "Converted RSU Award") while each outstanding award of Whiting performance stock units held by the Reporting Person was converted into a time-based award (based on the greater of the target number of performance stock units subject to such award or actual achievement of the performance criteria applicable to such award measured based on a truncated performance period ending immediately prior to the effective time of the Merger) with the right to receive, upon vesting, the Merger Consideration (each, a "Converted PSU Award"). As such, the number reported consists of unrestricted shares of Common Stock, shares subject to Converted RSU Awards and shares subject to Converted PSU Awards. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · price: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), each share of common stock of Whiting was converted into the right to receive 0.5774 shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), and $6.25 in cash, without interest (collectively, the "Merger Consideration"). Pursuant to the Merger Agreement, each outstanding award of Whiting restricted stock units held by the Reporting Person was converted into a time-based award with right to receive, upon vesting,

F2 · price: (Continued from Footnote 1) the Merger Consideration (each, a "Converted RSU Award") while each outstanding award of Whiting performance stock units held by the Reporting Person was converted into a time-based award (based on the greater of the target number of performance stock units subject to such award or actual achievement of the performance criteria applicable to such award measured based on a truncated performance period ending immediately prior to the effective time of the Merger) with the right to receive, upon vesting, the Merger Consideration (each, a "Converted PSU Award"). As such, the number reported consists of unrestricted shares of Common Stock, shares subject to Converted RSU Awards and shares subject to Converted PSU Awards. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · balance_after: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), each share of common stock of Whiting was converted into the right to receive 0.5774 shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), and $6.25 in cash, without interest (collectively, the "Merger Consideration"). Pursuant to the Merger Agreement, each outstanding award of Whiting restricted stock units held by the Reporting Person was converted into a time-based award with right to receive, upon vesting,

F2 · balance_after: (Continued from Footnote 1) the Merger Consideration (each, a "Converted RSU Award") while each outstanding award of Whiting performance stock units held by the Reporting Person was converted into a time-based award (based on the greater of the target number of performance stock units subject to such award or actual achievement of the performance criteria applicable to such award measured based on a truncated performance period ending immediately prior to the effective time of the Merger) with the right to receive, upon vesting, the Merger Consideration (each, a "Converted PSU Award"). As such, the number reported consists of unrestricted shares of Common Stock, shares subject to Converted RSU Awards and shares subject to Converted PSU Awards. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

SEC source: 0000899243-22-025570 · doc4.xml · nonDerivative · entry 1

McCarthy Kevin S · CIK 0001304183 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,317

F1 · kind: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), each share of common stock of Whiting was converted into the right to receive 0.5774 shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), and $6.25 in cash, without interest. In addition, pursuant to the Merger Agreement, any outstanding award of Whiting restricted stock units held by the Reporting Person was accelerated in full immediately prior to the effective time of the Merger.

F2 · kind: (Continued from Footnote 1) As such, the number reported consists solely of unrestricted shares of Common Stock. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · price: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), each share of common stock of Whiting was converted into the right to receive 0.5774 shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), and $6.25 in cash, without interest. In addition, pursuant to the Merger Agreement, any outstanding award of Whiting restricted stock units held by the Reporting Person was accelerated in full immediately prior to the effective time of the Merger.

F2 · price: (Continued from Footnote 1) As such, the number reported consists solely of unrestricted shares of Common Stock. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · balance_after: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), each share of common stock of Whiting was converted into the right to receive 0.5774 shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), and $6.25 in cash, without interest. In addition, pursuant to the Merger Agreement, any outstanding award of Whiting restricted stock units held by the Reporting Person was accelerated in full immediately prior to the effective time of the Merger.

F2 · balance_after: (Continued from Footnote 1) As such, the number reported consists solely of unrestricted shares of Common Stock. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

SEC source: 0000899243-22-025568 · doc4.xml · nonDerivative · entry 1

Regan Michael Scott · CIK 0001828562 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,616

F1 · kind: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), each share of common stock of Whiting was converted into the right to receive 0.5774 shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), and $6.25 in cash, without interest (collectively, the "Merger Consideration"). Pursuant to the Merger Agreement, each outstanding award of Whiting restricted stock units held by the Reporting Person was converted into a time-based award with right to receive, upon vesting,

F2 · kind: (Continued from Footnote 1) the Merger Consideration (each, a "Converted RSU Award") while each outstanding award of Whiting performance stock units held by the Reporting Person was converted into a time-based award (based on the greater of the target number of performance stock units subject to such award or actual achievement of the performance criteria applicable to such award measured based on a truncated performance period ending immediately prior to the effective time of the Merger) with the right to receive, upon vesting, the Merger Consideration (each, a "Converted PSU Award"). As such, the number reported consists of unrestricted shares of Common Stock, shares subject to Converted RSU Awards and shares subject to Converted PSU Awards. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · price: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), each share of common stock of Whiting was converted into the right to receive 0.5774 shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), and $6.25 in cash, without interest (collectively, the "Merger Consideration"). Pursuant to the Merger Agreement, each outstanding award of Whiting restricted stock units held by the Reporting Person was converted into a time-based award with right to receive, upon vesting,

F2 · price: (Continued from Footnote 1) the Merger Consideration (each, a "Converted RSU Award") while each outstanding award of Whiting performance stock units held by the Reporting Person was converted into a time-based award (based on the greater of the target number of performance stock units subject to such award or actual achievement of the performance criteria applicable to such award measured based on a truncated performance period ending immediately prior to the effective time of the Merger) with the right to receive, upon vesting, the Merger Consideration (each, a "Converted PSU Award"). As such, the number reported consists of unrestricted shares of Common Stock, shares subject to Converted RSU Awards and shares subject to Converted PSU Awards. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · balance_after: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), each share of common stock of Whiting was converted into the right to receive 0.5774 shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), and $6.25 in cash, without interest (collectively, the "Merger Consideration"). Pursuant to the Merger Agreement, each outstanding award of Whiting restricted stock units held by the Reporting Person was converted into a time-based award with right to receive, upon vesting,

F2 · balance_after: (Continued from Footnote 1) the Merger Consideration (each, a "Converted RSU Award") while each outstanding award of Whiting performance stock units held by the Reporting Person was converted into a time-based award (based on the greater of the target number of performance stock units subject to such award or actual achievement of the performance criteria applicable to such award measured based on a truncated performance period ending immediately prior to the effective time of the Merger) with the right to receive, upon vesting, the Merger Consideration (each, a "Converted PSU Award"). As such, the number reported consists of unrestricted shares of Common Stock, shares subject to Converted RSU Awards and shares subject to Converted PSU Awards. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

SEC source: 0000899243-22-025560 · doc4.xml · nonDerivative · entry 1

Taylor Anne · CIK 0001751424 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,100

F1 · kind: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), each share of common stock of Whiting was converted into the right to receive 0.5774 shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), and $6.25 in cash, without interest. In addition, pursuant to the Merger Agreement, any outstanding award of Whiting restricted stock units held by the Reporting Person was accelerated in full immediately prior to the effective time of the Merger.

F2 · kind: (Continued from Footnote 1) As such, the number reported consists solely of unrestricted shares of Common Stock. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · price: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), each share of common stock of Whiting was converted into the right to receive 0.5774 shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), and $6.25 in cash, without interest. In addition, pursuant to the Merger Agreement, any outstanding award of Whiting restricted stock units held by the Reporting Person was accelerated in full immediately prior to the effective time of the Merger.

F2 · price: (Continued from Footnote 1) As such, the number reported consists solely of unrestricted shares of Common Stock. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · balance_after: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), each share of common stock of Whiting was converted into the right to receive 0.5774 shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), and $6.25 in cash, without interest. In addition, pursuant to the Merger Agreement, any outstanding award of Whiting restricted stock units held by the Reporting Person was accelerated in full immediately prior to the effective time of the Merger.

F2 · balance_after: (Continued from Footnote 1) As such, the number reported consists solely of unrestricted shares of Common Stock. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

SEC source: 0001209191-22-033744 · doc4.xml · nonDerivative · entry 1

Holroyd Samantha · CIK 0001805570 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,000

F1 · kind: The sale reported in this Form 4 was effected pursuant to a rule 10b5-1 trading plan adopted by the reporting person on December 17, 2021.