Hamm Christopher W.

SEC source: 0001782520-26-000002 · form4-07022026_070705.xml · derivative · entry 3

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,911

Underlying: Common Stock · 43,911 shares

Expires not disclosed

F3 · derivative.exercise_price: Share amount reflects an aggregate number and represents 43,911 unvested TSUs. These TSUs were granted under the Amplify Energy Corp. 2024 Amended & Restated Equity Incentive Plan and vest on the first anniversary of the date of grant so long as the reporting person remains a member of the board of directors of the Company through the vesting date. The TSUs convert into common stock on a one-for-one basis.

F3 · derivative.exercise_date: Share amount reflects an aggregate number and represents 43,911 unvested TSUs. These TSUs were granted under the Amplify Energy Corp. 2024 Amended & Restated Equity Incentive Plan and vest on the first anniversary of the date of grant so long as the reporting person remains a member of the board of directors of the Company through the vesting date. The TSUs convert into common stock on a one-for-one basis.

F3 · derivative.expiration_date: Share amount reflects an aggregate number and represents 43,911 unvested TSUs. These TSUs were granted under the Amplify Energy Corp. 2024 Amended & Restated Equity Incentive Plan and vest on the first anniversary of the date of grant so long as the reporting person remains a member of the board of directors of the Company through the vesting date. The TSUs convert into common stock on a one-for-one basis.

SEC source: 0001782520-26-000002 · form4-07022026_070705.xml · derivative · entry 2

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 51,043 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.

F2 · derivative.exercise_price: These TSUs were granted under the Amplify Energy Corp. 2024 Equity Incentive Plan, vesting on the first anniversary of the date of grant so long as the reporting person remained a member of the board of directors of the Company through the vesting date.

F2 · derivative.exercise_date: These TSUs were granted under the Amplify Energy Corp. 2024 Equity Incentive Plan, vesting on the first anniversary of the date of grant so long as the reporting person remained a member of the board of directors of the Company through the vesting date.

F2 · derivative.expiration_date: These TSUs were granted under the Amplify Energy Corp. 2024 Equity Incentive Plan, vesting on the first anniversary of the date of grant so long as the reporting person remained a member of the board of directors of the Company through the vesting date.

SEC source: 0001782520-26-000002 · form4-07022026_070705.xml · nonDerivative · entry 1

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 323,121

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 · price: Reflects shares of common stock, par value $0.01 per share of Amplify Energy Corp. (the "Company") granted upon settlement of previously awarded restricted stock units with service-based vesting conditions ("TSUs").

SEC source: 0001415889-25-019043 · form4-07022025_040705.xml · derivative · entry 3

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,043

Underlying: Common Stock · 51,043 shares

Expires not disclosed

F3 · derivative.exercise_price: Share amount reflects an aggregate number and represents 51,043 unvested TSUs. These TSUs were granted under the Amplify Energy Corp. 2024 Equity Incentive Plan and vest on the first anniversary of the date of grant so long as the reporting person remains a member of the board of directors of the Company through the vesting date. The TSUs convert into common stock on a one-for-one basis.

F3 · derivative.exercise_date: Share amount reflects an aggregate number and represents 51,043 unvested TSUs. These TSUs were granted under the Amplify Energy Corp. 2024 Equity Incentive Plan and vest on the first anniversary of the date of grant so long as the reporting person remains a member of the board of directors of the Company through the vesting date. The TSUs convert into common stock on a one-for-one basis.

F3 · derivative.expiration_date: Share amount reflects an aggregate number and represents 51,043 unvested TSUs. These TSUs were granted under the Amplify Energy Corp. 2024 Equity Incentive Plan and vest on the first anniversary of the date of grant so long as the reporting person remains a member of the board of directors of the Company through the vesting date. The TSUs convert into common stock on a one-for-one basis.

SEC source: 0001415889-25-019043 · form4-07022025_040705.xml · derivative · entry 2

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 27,531 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.

F2 · derivative.exercise_price: These TSUs were granted under the Amplify Energy Corp. 2024 Equity Incentive Plan, vesting on the first anniversary of the date of grant so long as the reporting person remained a member of the board of directors of the Company through the vesting date.

F2 · derivative.exercise_date: These TSUs were granted under the Amplify Energy Corp. 2024 Equity Incentive Plan, vesting on the first anniversary of the date of grant so long as the reporting person remained a member of the board of directors of the Company through the vesting date.

F2 · derivative.expiration_date: These TSUs were granted under the Amplify Energy Corp. 2024 Equity Incentive Plan, vesting on the first anniversary of the date of grant so long as the reporting person remained a member of the board of directors of the Company through the vesting date.

SEC source: 0001415889-25-019043 · form4-07022025_040705.xml · nonDerivative · entry 1

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 272,078

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 · price: Reflects shares of common stock, par value $0.01 per share of Amplify Energy Corp. (the "Company") granted upon settlement of previously awarded restricted stock units with service-based vesting conditions ("TSUs").

SEC source: 0001415889-25-017771 · form4-06202025_010633.xml · nonDerivative · entry 1

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 244,547

F1 · price: Reflects the weighted average purchase price. The highest price at which shares were purchased was $3.7075 and the lowest price at which shares were purchased was $3.6250. The reporting person has reported on a single line all transactions that occurred within a one-dollar price range. The reporting person hereby undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer or a shareholder of the issuer, full information regarding the number of shares purchased at each separate price.

SEC source: 0001104659-24-077769 · tm2418697-1_4seq1.xml · derivative · entry 3

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,531

Underlying: Common Stock · 27,531 shares

Expires not disclosed

F3 · derivative.exercise_price: Share amount reflects an aggregate number and represents 27,531 unvested TSUs. These TSUs were granted under the Amplify Energy Corp. 2024 Equity Incentive Plan and vest on the first anniversary of the date of grant so long as the reporting person remains a member of the board of directors of the Company through the vesting date. The TSUs convert into common stock on a one-for-one basis.

F3 · derivative.exercise_date: Share amount reflects an aggregate number and represents 27,531 unvested TSUs. These TSUs were granted under the Amplify Energy Corp. 2024 Equity Incentive Plan and vest on the first anniversary of the date of grant so long as the reporting person remains a member of the board of directors of the Company through the vesting date. The TSUs convert into common stock on a one-for-one basis.

F3 · derivative.expiration_date: Share amount reflects an aggregate number and represents 27,531 unvested TSUs. These TSUs were granted under the Amplify Energy Corp. 2024 Equity Incentive Plan and vest on the first anniversary of the date of grant so long as the reporting person remains a member of the board of directors of the Company through the vesting date. The TSUs convert into common stock on a one-for-one basis.

SEC source: 0001104659-24-077769 · tm2418697-1_4seq1.xml · derivative · entry 2

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 26,708 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.

F2 · derivative.exercise_price: These TSUs were granted under the Amplify Energy Corp. Equity Incentive Plan, vesting on the first anniversary of the date of grant so long as the reporting person remained a member of the board of directors of the Company through the vesting date.

F2 · derivative.exercise_date: These TSUs were granted under the Amplify Energy Corp. Equity Incentive Plan, vesting on the first anniversary of the date of grant so long as the reporting person remained a member of the board of directors of the Company through the vesting date.

F2 · derivative.expiration_date: These TSUs were granted under the Amplify Energy Corp. Equity Incentive Plan, vesting on the first anniversary of the date of grant so long as the reporting person remained a member of the board of directors of the Company through the vesting date.

SEC source: 0001104659-24-077769 · tm2418697-1_4seq1.xml · nonDerivative · entry 1

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 167,371

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 · price: Reflects shares of common stock, par value $0.01 per share of Amplify Energy Corp. (the "Company") granted upon settlement of previously awarded restricted stock units with service-based vesting conditions ("TSUs").

SEC source: 0001104659-23-078077 · tm2319697-2_4seq1.xml · derivative · entry 3

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,708

Underlying: Common Stock · 26,708 shares

Expires not disclosed

F3 · derivative.exercise_price: Share amount reflects an aggregate number and represents 26,708 unvested TSUs. These TSUs were granted under the Amplify Energy Corp. Equity Incentive Plan and vest on the first anniversary of the date of grant so long as the reporting person remains a member of the board of directors of the Company through the vesting date. The TSUs convert into common stock on a one-for-one basis.

F3 · derivative.exercise_date: Share amount reflects an aggregate number and represents 26,708 unvested TSUs. These TSUs were granted under the Amplify Energy Corp. Equity Incentive Plan and vest on the first anniversary of the date of grant so long as the reporting person remains a member of the board of directors of the Company through the vesting date. The TSUs convert into common stock on a one-for-one basis.

F3 · derivative.expiration_date: Share amount reflects an aggregate number and represents 26,708 unvested TSUs. These TSUs were granted under the Amplify Energy Corp. Equity Incentive Plan and vest on the first anniversary of the date of grant so long as the reporting person remains a member of the board of directors of the Company through the vesting date. The TSUs convert into common stock on a one-for-one basis.

SEC source: 0001104659-23-078077 · tm2319697-2_4seq1.xml · derivative · entry 2

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 25,045 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.

F2 · derivative.exercise_price: These TSUs were granted under the Amplify Energy Corp. Equity Incentive Plan, vesting on the first anniversary of the date of grant so long as the reporting person remained a member of the board of directors of the Company through the vesting date.

F2 · derivative.exercise_date: These TSUs were granted under the Amplify Energy Corp. Equity Incentive Plan, vesting on the first anniversary of the date of grant so long as the reporting person remained a member of the board of directors of the Company through the vesting date.

F2 · derivative.expiration_date: These TSUs were granted under the Amplify Energy Corp. Equity Incentive Plan, vesting on the first anniversary of the date of grant so long as the reporting person remained a member of the board of directors of the Company through the vesting date.

SEC source: 0001104659-23-078077 · tm2319697-2_4seq1.xml · nonDerivative · entry 1

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 140,663

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 · price: Reflects shares of common stock, par value $0.01 per share of Amplify Energy Corp. (the "Company") granted upon settlement of previously awarded restricted stock units with service-based vesting conditions ("TSUs").

SEC source: 0001104659-23-032880 · tm236408-2_4seq1.xml · nonDerivative · entry 2

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 115,618

F2 · price: Reflects the weighted average purchase price. The highest price at which shares were purchased was $6.69 and the lowest price at which shares were purchased was $6.60. The reporting person has reported on a single line all transactions that occurred within a one-dollar price range. The reporting person hereby undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer or a shareholder of the issuer, full information regarding the number of shares purchased at each separate price.

SEC source: 0001104659-23-032880 · tm236408-2_4seq1.xml · nonDerivative · entry 1

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 95,618

F1 · price: Reflects the weighted average purchase price. The highest price at which shares were purchased was $7.14 and the lowest price at which shares were purchased was $7.135. The reporting person has reported on a single line all transactions that occurred within a one-dollar price range. The reporting person hereby undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer or a shareholder of the issuer, full information regarding the number of shares purchased at each separate price.

SEC source: 0001104659-22-129814 · tm2233410-1_4seq1.xml · nonDerivative · entry 2

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,618

SEC source: 0001104659-22-129814 · tm2233410-1_4seq1.xml · nonDerivative · entry 1

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,618

SEC source: 0001104659-22-077303 · tm2220261-1_4seq1.xml · derivative · entry 2

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,045

Underlying: Common Stock · 25,045 shares

Expires not disclosed

F2 · derivative.exercise_price: Share amount reflects an aggregate number and represents 25,045 unvested TSUs. These TSUs were granted under the Amplify Energy Corp. Equity Incentive Plan and vest on the first anniversary of the date of grant so long as the reporting person remains a member of the board of directors of the Company through the vesting date. The TSUs convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: Share amount reflects an aggregate number and represents 25,045 unvested TSUs. These TSUs were granted under the Amplify Energy Corp. Equity Incentive Plan and vest on the first anniversary of the date of grant so long as the reporting person remains a member of the board of directors of the Company through the vesting date. The TSUs convert into common stock on a one-for-one basis.

F2 · derivative.expiration_date: Share amount reflects an aggregate number and represents 25,045 unvested TSUs. These TSUs were granted under the Amplify Energy Corp. Equity Incentive Plan and vest on the first anniversary of the date of grant so long as the reporting person remains a member of the board of directors of the Company through the vesting date. The TSUs convert into common stock on a one-for-one basis.

SEC source: 0001104659-22-077303 · tm2220261-1_4seq1.xml · nonDerivative · entry 1

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,618

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 · price: Reflects shares of common stock, par value $0.01 per share of Amplify Energy Corp. (the "Company") granted upon settlement of previously awarded restricted stock units with service-based vesting conditions ("TSUs").

SEC source: 0001104659-22-055819 · tm2214385-1_4seq1.xml · nonDerivative · entry 1

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,157

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 · price: Reflects shares of common stock, par value $0.01 per share of Amplify Energy Corp. granted upon settlement of previously awarded restricted stock units with service-based vesting conditions.

SEC source: 0000899243-21-027584 · doc4.xml · nonDerivative · entry 1

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,285

F1 · price: Share amount reflects an aggregate number and represents 42,461 unvested restricted stock units with service-based vesting conditions ("TSUs"). These TSUs were granted under the Amplify Energy Corp. Equity Incentive Plan and vest on the first anniversary of the date of grant so long as the reporting person remains a member of the board of directors of Amplify Energy Corp. through the vesting date. The TSUs convert into common stock on a one-for-one basis.

SEC source: 0000899243-21-018095 · doc4.xml · nonDerivative · entry 2

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,824

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 · price: As previously reported on 8/6/2019 by the reporting person, these restricted stock units with service-based vesting conditions ("Board RSUs") were originally granted under the Legacy Amplify 2017 Non-Employee Directors Compensation Plan and vest periodically so long as the reporting person remains a member of the board of directors of Amplify Energy Corp. on each applicable vesting date. Amount reported represents the amount of such Board RSUs held by the reporting person that have vested to date. The Board RSUs convert into common stock on a one-for-one basis.

SEC source: 0000899243-21-018095 · doc4.xml · nonDerivative · entry 1

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,591

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 · price: As previously reported on 8/6/2019 by the reporting person, these restricted stock units with service-based vesting conditions ("Board RSUs") were originally granted under the Legacy Amplify 2017 Non-Employee Directors Compensation Plan and vest periodically so long as the reporting person remains a member of the board of directors of Amplify Energy Corp. on each applicable vesting date. Amount reported represents the amount of such Board RSUs held by the reporting person that have vested to date. The Board RSUs convert into common stock on a one-for-one basis.

SEC source: 0000899243-21-007626 · doc4.xml · nonDerivative · entry 3

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,259

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 · price: As previously reported on 8/6/2019 by the reporting person, these restricted stock units with service-based vesting conditions ("Board RSUs") were originally granted under the Legacy Amplify 2017 Non-Employee Directors Compensation Plan and vest periodically so long as the reporting person remains a member of the board of directors of Amplify Energy Corp. on each applicable vesting date. Amount reported represents the amount of such Board RSUs held by the reporting person that have vested to date. The Board RSUs convert into common stock on a one-for-one basis.

SEC source: 0000899243-21-007626 · doc4.xml · nonDerivative · entry 2

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,564

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 · price: As previously reported on 8/6/2019 by the reporting person, these restricted stock units with service-based vesting conditions ("Board RSUs") were originally granted under the Legacy Amplify 2017 Non-Employee Directors Compensation Plan and vest periodically so long as the reporting person remains a member of the board of directors of Amplify Energy Corp. on each applicable vesting date. Amount reported represents the amount of such Board RSUs held by the reporting person that have vested to date. The Board RSUs convert into common stock on a one-for-one basis.

SEC source: 0000899243-21-007626 · doc4.xml · nonDerivative · entry 1

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,332

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 · price: As previously reported on 8/6/2019 by the reporting person, these restricted stock units with service-based vesting conditions ("Board RSUs") were originally granted under the Legacy Amplify 2017 Non-Employee Directors Compensation Plan and vest periodically so long as the reporting person remains a member of the board of directors of Amplify Energy Corp. on each applicable vesting date. Amount reported represents the amount of such Board RSUs held by the reporting person that have vested to date. The Board RSUs convert into common stock on a one-for-one basis.

SEC source: 0000899243-19-029507 · doc4.xml · nonDerivative · entry 1

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

SEC source: 0000899243-19-024129 · doc4.xml · nonDerivative · entry 1

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,304

F1 · price: Weighted average price. These shares were sold in multiple transactions at prices ranging from $6.6000 to $6.6300, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the shares sold at each separate price within the range set forth in this footnote (1) to this Form 4.

SEC source: 0000899243-19-021137 · doc4.xml · derivative · entry 2

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,155

Underlying: Common Stock · 16,155 shares

Expires not disclosed

F1 · derivative.exercise_price: Pursuant to the Agreement and Plan of Merger, dated as of May 5, 2019 (the "Merger Agreement"), by and among Midstates Petroleum Company, Inc. ("Midstates"), Midstates Holdings, Inc., a wholly owned subsidiary of Midstates ("Merger Sub") and Amplify Energy Corp. ("Legacy Amplify"), on August 6, 2019 (the "Effective Time"), Merger Sub merged with and into Legacy Amplify, with Legacy Amplify surviving the merger as a wholly owned subsidiary of Midstates. Immediately after the Effective Time, Midstates changed its name to "Amplify Energy Corp." (the "Combined Company"). At the Effective Time, each share of Legacy Amplify common stock issued and outstanding immediately prior to such time was converted into the right to receive 0.933 shares of the Combined Company, rounded up to the nearest whole share (the "Exchange Ratio"). On the trading day immediately prior to the Effective Time, the closing price of Midstates' common stock was $4.36 per share.

F2 · shares: These restricted stock units with service-based vesting conditions ("Board RSUs") were originally granted under the Legacy Amplify 2017 Non-Employee Directors Compensation Plan (the "Directors Compensation Plan") and vest periodically so long as the reporting person remains a member of the board of directors of the Combined Company on each applicable vesting date. At the Effective Time, the Combined Company assumed the Directors Compensation Plan and related award agreements and the existing Board RSUs became restricted stock units of the Combined Company, subject to the Exchange Ratio.

F1 · price: Pursuant to the Agreement and Plan of Merger, dated as of May 5, 2019 (the "Merger Agreement"), by and among Midstates Petroleum Company, Inc. ("Midstates"), Midstates Holdings, Inc., a wholly owned subsidiary of Midstates ("Merger Sub") and Amplify Energy Corp. ("Legacy Amplify"), on August 6, 2019 (the "Effective Time"), Merger Sub merged with and into Legacy Amplify, with Legacy Amplify surviving the merger as a wholly owned subsidiary of Midstates. Immediately after the Effective Time, Midstates changed its name to "Amplify Energy Corp." (the "Combined Company"). At the Effective Time, each share of Legacy Amplify common stock issued and outstanding immediately prior to such time was converted into the right to receive 0.933 shares of the Combined Company, rounded up to the nearest whole share (the "Exchange Ratio"). On the trading day immediately prior to the Effective Time, the closing price of Midstates' common stock was $4.36 per share.

F2 · derivative.exercise_date: These restricted stock units with service-based vesting conditions ("Board RSUs") were originally granted under the Legacy Amplify 2017 Non-Employee Directors Compensation Plan (the "Directors Compensation Plan") and vest periodically so long as the reporting person remains a member of the board of directors of the Combined Company on each applicable vesting date. At the Effective Time, the Combined Company assumed the Directors Compensation Plan and related award agreements and the existing Board RSUs became restricted stock units of the Combined Company, subject to the Exchange Ratio.

F2 · derivative.expiration_date: These restricted stock units with service-based vesting conditions ("Board RSUs") were originally granted under the Legacy Amplify 2017 Non-Employee Directors Compensation Plan (the "Directors Compensation Plan") and vest periodically so long as the reporting person remains a member of the board of directors of the Combined Company on each applicable vesting date. At the Effective Time, the Combined Company assumed the Directors Compensation Plan and related award agreements and the existing Board RSUs became restricted stock units of the Combined Company, subject to the Exchange Ratio.

SEC source: 0000899243-19-021137 · doc4.xml · nonDerivative · entry 1

Hamm Christopher W. · CIK 0001782520 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,620

F1 · price: Pursuant to the Agreement and Plan of Merger, dated as of May 5, 2019 (the "Merger Agreement"), by and among Midstates Petroleum Company, Inc. ("Midstates"), Midstates Holdings, Inc., a wholly owned subsidiary of Midstates ("Merger Sub") and Amplify Energy Corp. ("Legacy Amplify"), on August 6, 2019 (the "Effective Time"), Merger Sub merged with and into Legacy Amplify, with Legacy Amplify surviving the merger as a wholly owned subsidiary of Midstates. Immediately after the Effective Time, Midstates changed its name to "Amplify Energy Corp." (the "Combined Company"). At the Effective Time, each share of Legacy Amplify common stock issued and outstanding immediately prior to such time was converted into the right to receive 0.933 shares of the Combined Company, rounded up to the nearest whole share (the "Exchange Ratio"). On the trading day immediately prior to the Effective Time, the closing price of Midstates' common stock was $4.36 per share.