Duster Benjamin

SEC source: 0001313071-26-000012 · wk-form4_1785185024.xml · nonDerivative · entry 1

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,187

SEC source: 0001313071-26-000004 · wk-form4_1780949213.xml · nonDerivative · entry 1

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,932

F1 · price: Represents the weighted average volume price, or "VWAP," over the 30 trading days ending on Wednesday, June 3, 2026.

SEC source: 0001313071-26-000002 · wk-form4_1773176132.xml · derivative · entry 4

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,497

Underlying: Ordinary Shares · 2,497 shares

Expires not disclosed

F3 · derivative.exercise_price: Represents RSUs granted on March 7, 2026 pursuant to the 2019 EIP. The RSUs vest in full on the first anniversary of the grant date.

F3 · derivative.exercise_date: Represents RSUs granted on March 7, 2026 pursuant to the 2019 EIP. The RSUs vest in full on the first anniversary of the grant date.

F3 · derivative.expiration_date: Represents RSUs granted on March 7, 2026 pursuant to the 2019 EIP. The RSUs vest in full on the first anniversary of the grant date.

SEC source: 0001313071-26-000002 · wk-form4_1773176132.xml · derivative · entry 3

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 4,566 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: Represents the vesting in full of restricted share units ("RSUs") granted on March 7, 2025 pursuant to the Issuer's 2019 Equity Incentive Plan, as amended and restated (the "2019 EIP").

F1 · derivative.exercise_date: Represents the vesting in full of restricted share units ("RSUs") granted on March 7, 2025 pursuant to the Issuer's 2019 Equity Incentive Plan, as amended and restated (the "2019 EIP").

F1 · derivative.expiration_date: Represents the vesting in full of restricted share units ("RSUs") granted on March 7, 2025 pursuant to the Issuer's 2019 Equity Incentive Plan, as amended and restated (the "2019 EIP").

SEC source: 0001313071-26-000002 · wk-form4_1773176132.xml · nonDerivative · entry 2

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,187

F2 · kind: At the election of the Committee administering the 2019 EIP, the vesting of the RSUs was settled partially in stock and partially in cash. Represents the deemed disposition of the ordinary shares underlying the portion of vested RSUs settled in cash.

SEC source: 0001313071-26-000002 · wk-form4_1773176132.xml · nonDerivative · entry 1

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,877

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: Represents the vesting in full of restricted share units ("RSUs") granted on March 7, 2025 pursuant to the Issuer's 2019 Equity Incentive Plan, as amended and restated (the "2019 EIP").

SEC source: 0000895126-25-000060 · wk-form4_1749156753.xml · nonDerivative · entry 1

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,601

F1 · price: Represents the weighted average volume price, or "VWAP," over the 30 trading days ending on Wednesday, June 4, 2025.

SEC source: 0001603923-25-000062 · wk-form4_1741725589.xml · derivative · entry 1

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,566

Underlying: Ordinary Shares · 4,566 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents restricted share units ("RSUs") granted on March 7, 2025 pursuant to the Issuer's 2019 Equity Incentive Plan, as amended and restated. The RSUs will vest in full on the first anniversary of the grant date.

F1 · derivative.exercise_date: Represents restricted share units ("RSUs") granted on March 7, 2025 pursuant to the Issuer's 2019 Equity Incentive Plan, as amended and restated. The RSUs will vest in full on the first anniversary of the grant date.

F1 · derivative.expiration_date: Represents restricted share units ("RSUs") granted on March 7, 2025 pursuant to the Issuer's 2019 Equity Incentive Plan, as amended and restated. The RSUs will vest in full on the first anniversary of the grant date.

SEC source: 0001603923-25-000036 · wk-form4_1737584175.xml · derivative · entry 3

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 2,397 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: Represents restricted share units ("RSUs") granted on January 18, 2024 pursuant to the Issuer's 2019 Equity Incentive Plan, as amended and restated (the "2019 EIP"). The RSUs vested in full on the first anniversary of the grant date.

F1 · derivative.exercise_date: Represents restricted share units ("RSUs") granted on January 18, 2024 pursuant to the Issuer's 2019 Equity Incentive Plan, as amended and restated (the "2019 EIP"). The RSUs vested in full on the first anniversary of the grant date.

F1 · derivative.expiration_date: Represents restricted share units ("RSUs") granted on January 18, 2024 pursuant to the Issuer's 2019 Equity Incentive Plan, as amended and restated (the "2019 EIP"). The RSUs vested in full on the first anniversary of the grant date.

SEC source: 0001603923-25-000036 · wk-form4_1737584175.xml · nonDerivative · entry 2

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,311

F2 · kind: At the election of the Committee administering the 2019 EIP, the vesting of the RSUs was settled partially in stock and partially in cash. Represents the deemed disposition of the ordinary shares underlying the portion of vested RSUs settled in cash.

SEC source: 0001603923-25-000036 · wk-form4_1737584175.xml · nonDerivative · entry 1

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,198

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: Represents restricted share units ("RSUs") granted on January 18, 2024 pursuant to the Issuer's 2019 Equity Incentive Plan, as amended and restated (the "2019 EIP"). The RSUs vested in full on the first anniversary of the grant date.

SEC source: 0000950170-24-103517 · ownership.xml · derivative · entry 2

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,562 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: This Form 4 reports securities disposed of in connection with the Agreement and Plan of Merger (the "Merger Agreement"), dated June 9, 2024, by and among Diamond Offshore Drilling, Inc., a Delaware corporation (the "Issuer"), Noble Corporation plc, a public limited company incorporated under the laws of England and Wales ("Noble"), Dolphin Merger Sub 1, Inc., an indirect wholly owned subsidiary of Noble ("Merger Sub 1"), and Dolphin Merger Sub 2, Inc., an indirect wholly owned subsidiary of Noble ("Merger Sub 2"), under which, and upon the terms and subject to the conditions set forth therein, Merger Sub 1 merged with and into the Issuer (the "first merger"), with the Issuer surviving and becoming an indirect wholly owned subsidiary of Noble, and immediately thereafter, the Issuer, as the surviving entity in the first merger, merged with and into Merger Sub 2, with Merger Sub 2 surviving and continuing as an indirect wholly owned subsidiary of Noble.

F2 · derivative.exercise_price: (Continued from footnote 1) Pursuant to the Merger Agreement, at the effective time of the first merger (the "effective time"), each share of common stock, par value $0.0001 per share, of the Issuer ("Diamond Offshore common stock") beneficially owned by the Reporting Person was exchanged for the right to receive the following: (a) $5.65 in cash, without interest, per share of Diamond Offshore common stock; (b) 0.2316 of validly issued, fully paid and non-assessable A ordinary shares, $0.00001 nominal value per share, of Noble ("Noble ordinary shares"); and (c) any cash in lieu of fractional Noble ordinary shares paid pursuant to the Merger Agreement (collectively, the Merger Consideration").

F4 · derivative.exercise_price: Reported securities represent unvested time-vesting restricted stock units covering shares of Diamond Offshore common stock beneficially owned by the Reporting Person. Pursuant to the Merger Agreement, at the effective time, each unvested time-vesting restricted stock unit vested immediately.

F5 · derivative.exercise_price: At the effective time, each time-vested restricted stock unit was, at the election of the Reporting Person, settled in either shares of Diamond Offshore common stock or cash pursuant to the applicable Restricted Stock Unit Award Agreement, and any such shares received in settlement were converted automatically into the right to receive the Merger Consideration upon the terms and subject to the conditions set forth in the Merger Agreement. The Reporting Person elected to settle in cash an aggregate of 4,054 of the total reported time-vesting restricted stock units.

F1 · deemedExecutionDate: This Form 4 reports securities disposed of in connection with the Agreement and Plan of Merger (the "Merger Agreement"), dated June 9, 2024, by and among Diamond Offshore Drilling, Inc., a Delaware corporation (the "Issuer"), Noble Corporation plc, a public limited company incorporated under the laws of England and Wales ("Noble"), Dolphin Merger Sub 1, Inc., an indirect wholly owned subsidiary of Noble ("Merger Sub 1"), and Dolphin Merger Sub 2, Inc., an indirect wholly owned subsidiary of Noble ("Merger Sub 2"), under which, and upon the terms and subject to the conditions set forth therein, Merger Sub 1 merged with and into the Issuer (the "first merger"), with the Issuer surviving and becoming an indirect wholly owned subsidiary of Noble, and immediately thereafter, the Issuer, as the surviving entity in the first merger, merged with and into Merger Sub 2, with Merger Sub 2 surviving and continuing as an indirect wholly owned subsidiary of Noble.

F2 · deemedExecutionDate: (Continued from footnote 1) Pursuant to the Merger Agreement, at the effective time of the first merger (the "effective time"), each share of common stock, par value $0.0001 per share, of the Issuer ("Diamond Offshore common stock") beneficially owned by the Reporting Person was exchanged for the right to receive the following: (a) $5.65 in cash, without interest, per share of Diamond Offshore common stock; (b) 0.2316 of validly issued, fully paid and non-assessable A ordinary shares, $0.00001 nominal value per share, of Noble ("Noble ordinary shares"); and (c) any cash in lieu of fractional Noble ordinary shares paid pursuant to the Merger Agreement (collectively, the Merger Consideration").

F4 · deemedExecutionDate: Reported securities represent unvested time-vesting restricted stock units covering shares of Diamond Offshore common stock beneficially owned by the Reporting Person. Pursuant to the Merger Agreement, at the effective time, each unvested time-vesting restricted stock unit vested immediately.

F5 · deemedExecutionDate: At the effective time, each time-vested restricted stock unit was, at the election of the Reporting Person, settled in either shares of Diamond Offshore common stock or cash pursuant to the applicable Restricted Stock Unit Award Agreement, and any such shares received in settlement were converted automatically into the right to receive the Merger Consideration upon the terms and subject to the conditions set forth in the Merger Agreement. The Reporting Person elected to settle in cash an aggregate of 4,054 of the total reported time-vesting restricted stock units.

F1 · price: This Form 4 reports securities disposed of in connection with the Agreement and Plan of Merger (the "Merger Agreement"), dated June 9, 2024, by and among Diamond Offshore Drilling, Inc., a Delaware corporation (the "Issuer"), Noble Corporation plc, a public limited company incorporated under the laws of England and Wales ("Noble"), Dolphin Merger Sub 1, Inc., an indirect wholly owned subsidiary of Noble ("Merger Sub 1"), and Dolphin Merger Sub 2, Inc., an indirect wholly owned subsidiary of Noble ("Merger Sub 2"), under which, and upon the terms and subject to the conditions set forth therein, Merger Sub 1 merged with and into the Issuer (the "first merger"), with the Issuer surviving and becoming an indirect wholly owned subsidiary of Noble, and immediately thereafter, the Issuer, as the surviving entity in the first merger, merged with and into Merger Sub 2, with Merger Sub 2 surviving and continuing as an indirect wholly owned subsidiary of Noble.

F2 · price: (Continued from footnote 1) Pursuant to the Merger Agreement, at the effective time of the first merger (the "effective time"), each share of common stock, par value $0.0001 per share, of the Issuer ("Diamond Offshore common stock") beneficially owned by the Reporting Person was exchanged for the right to receive the following: (a) $5.65 in cash, without interest, per share of Diamond Offshore common stock; (b) 0.2316 of validly issued, fully paid and non-assessable A ordinary shares, $0.00001 nominal value per share, of Noble ("Noble ordinary shares"); and (c) any cash in lieu of fractional Noble ordinary shares paid pursuant to the Merger Agreement (collectively, the Merger Consideration").

F4 · price: Reported securities represent unvested time-vesting restricted stock units covering shares of Diamond Offshore common stock beneficially owned by the Reporting Person. Pursuant to the Merger Agreement, at the effective time, each unvested time-vesting restricted stock unit vested immediately.

F5 · price: At the effective time, each time-vested restricted stock unit was, at the election of the Reporting Person, settled in either shares of Diamond Offshore common stock or cash pursuant to the applicable Restricted Stock Unit Award Agreement, and any such shares received in settlement were converted automatically into the right to receive the Merger Consideration upon the terms and subject to the conditions set forth in the Merger Agreement. The Reporting Person elected to settle in cash an aggregate of 4,054 of the total reported time-vesting restricted stock units.

F1 · derivative.exercise_date: This Form 4 reports securities disposed of in connection with the Agreement and Plan of Merger (the "Merger Agreement"), dated June 9, 2024, by and among Diamond Offshore Drilling, Inc., a Delaware corporation (the "Issuer"), Noble Corporation plc, a public limited company incorporated under the laws of England and Wales ("Noble"), Dolphin Merger Sub 1, Inc., an indirect wholly owned subsidiary of Noble ("Merger Sub 1"), and Dolphin Merger Sub 2, Inc., an indirect wholly owned subsidiary of Noble ("Merger Sub 2"), under which, and upon the terms and subject to the conditions set forth therein, Merger Sub 1 merged with and into the Issuer (the "first merger"), with the Issuer surviving and becoming an indirect wholly owned subsidiary of Noble, and immediately thereafter, the Issuer, as the surviving entity in the first merger, merged with and into Merger Sub 2, with Merger Sub 2 surviving and continuing as an indirect wholly owned subsidiary of Noble.

F2 · derivative.exercise_date: (Continued from footnote 1) Pursuant to the Merger Agreement, at the effective time of the first merger (the "effective time"), each share of common stock, par value $0.0001 per share, of the Issuer ("Diamond Offshore common stock") beneficially owned by the Reporting Person was exchanged for the right to receive the following: (a) $5.65 in cash, without interest, per share of Diamond Offshore common stock; (b) 0.2316 of validly issued, fully paid and non-assessable A ordinary shares, $0.00001 nominal value per share, of Noble ("Noble ordinary shares"); and (c) any cash in lieu of fractional Noble ordinary shares paid pursuant to the Merger Agreement (collectively, the Merger Consideration").

F4 · derivative.exercise_date: Reported securities represent unvested time-vesting restricted stock units covering shares of Diamond Offshore common stock beneficially owned by the Reporting Person. Pursuant to the Merger Agreement, at the effective time, each unvested time-vesting restricted stock unit vested immediately.

F5 · derivative.exercise_date: At the effective time, each time-vested restricted stock unit was, at the election of the Reporting Person, settled in either shares of Diamond Offshore common stock or cash pursuant to the applicable Restricted Stock Unit Award Agreement, and any such shares received in settlement were converted automatically into the right to receive the Merger Consideration upon the terms and subject to the conditions set forth in the Merger Agreement. The Reporting Person elected to settle in cash an aggregate of 4,054 of the total reported time-vesting restricted stock units.

F1 · derivative.expiration_date: This Form 4 reports securities disposed of in connection with the Agreement and Plan of Merger (the "Merger Agreement"), dated June 9, 2024, by and among Diamond Offshore Drilling, Inc., a Delaware corporation (the "Issuer"), Noble Corporation plc, a public limited company incorporated under the laws of England and Wales ("Noble"), Dolphin Merger Sub 1, Inc., an indirect wholly owned subsidiary of Noble ("Merger Sub 1"), and Dolphin Merger Sub 2, Inc., an indirect wholly owned subsidiary of Noble ("Merger Sub 2"), under which, and upon the terms and subject to the conditions set forth therein, Merger Sub 1 merged with and into the Issuer (the "first merger"), with the Issuer surviving and becoming an indirect wholly owned subsidiary of Noble, and immediately thereafter, the Issuer, as the surviving entity in the first merger, merged with and into Merger Sub 2, with Merger Sub 2 surviving and continuing as an indirect wholly owned subsidiary of Noble.

F2 · derivative.expiration_date: (Continued from footnote 1) Pursuant to the Merger Agreement, at the effective time of the first merger (the "effective time"), each share of common stock, par value $0.0001 per share, of the Issuer ("Diamond Offshore common stock") beneficially owned by the Reporting Person was exchanged for the right to receive the following: (a) $5.65 in cash, without interest, per share of Diamond Offshore common stock; (b) 0.2316 of validly issued, fully paid and non-assessable A ordinary shares, $0.00001 nominal value per share, of Noble ("Noble ordinary shares"); and (c) any cash in lieu of fractional Noble ordinary shares paid pursuant to the Merger Agreement (collectively, the Merger Consideration").

F4 · derivative.expiration_date: Reported securities represent unvested time-vesting restricted stock units covering shares of Diamond Offshore common stock beneficially owned by the Reporting Person. Pursuant to the Merger Agreement, at the effective time, each unvested time-vesting restricted stock unit vested immediately.

F5 · derivative.expiration_date: At the effective time, each time-vested restricted stock unit was, at the election of the Reporting Person, settled in either shares of Diamond Offshore common stock or cash pursuant to the applicable Restricted Stock Unit Award Agreement, and any such shares received in settlement were converted automatically into the right to receive the Merger Consideration upon the terms and subject to the conditions set forth in the Merger Agreement. The Reporting Person elected to settle in cash an aggregate of 4,054 of the total reported time-vesting restricted stock units.

SEC source: 0000950170-24-103517 · ownership.xml · derivative · entry 1

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 22,455 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: This Form 4 reports securities disposed of in connection with the Agreement and Plan of Merger (the "Merger Agreement"), dated June 9, 2024, by and among Diamond Offshore Drilling, Inc., a Delaware corporation (the "Issuer"), Noble Corporation plc, a public limited company incorporated under the laws of England and Wales ("Noble"), Dolphin Merger Sub 1, Inc., an indirect wholly owned subsidiary of Noble ("Merger Sub 1"), and Dolphin Merger Sub 2, Inc., an indirect wholly owned subsidiary of Noble ("Merger Sub 2"), under which, and upon the terms and subject to the conditions set forth therein, Merger Sub 1 merged with and into the Issuer (the "first merger"), with the Issuer surviving and becoming an indirect wholly owned subsidiary of Noble, and immediately thereafter, the Issuer, as the surviving entity in the first merger, merged with and into Merger Sub 2, with Merger Sub 2 surviving and continuing as an indirect wholly owned subsidiary of Noble.

F2 · derivative.exercise_price: (Continued from footnote 1) Pursuant to the Merger Agreement, at the effective time of the first merger (the "effective time"), each share of common stock, par value $0.0001 per share, of the Issuer ("Diamond Offshore common stock") beneficially owned by the Reporting Person was exchanged for the right to receive the following: (a) $5.65 in cash, without interest, per share of Diamond Offshore common stock; (b) 0.2316 of validly issued, fully paid and non-assessable A ordinary shares, $0.00001 nominal value per share, of Noble ("Noble ordinary shares"); and (c) any cash in lieu of fractional Noble ordinary shares paid pursuant to the Merger Agreement (collectively, the Merger Consideration").

F3 · derivative.exercise_price: Reported securities represent vested and undelivered time-vesting restricted stock units covering shares of Diamond Offshore common stock beneficially owned by the Reporting Person.

F5 · derivative.exercise_price: At the effective time, each time-vested restricted stock unit was, at the election of the Reporting Person, settled in either shares of Diamond Offshore common stock or cash pursuant to the applicable Restricted Stock Unit Award Agreement, and any such shares received in settlement were converted automatically into the right to receive the Merger Consideration upon the terms and subject to the conditions set forth in the Merger Agreement. The Reporting Person elected to settle in cash an aggregate of 4,054 of the total reported time-vesting restricted stock units.

F1 · deemedExecutionDate: This Form 4 reports securities disposed of in connection with the Agreement and Plan of Merger (the "Merger Agreement"), dated June 9, 2024, by and among Diamond Offshore Drilling, Inc., a Delaware corporation (the "Issuer"), Noble Corporation plc, a public limited company incorporated under the laws of England and Wales ("Noble"), Dolphin Merger Sub 1, Inc., an indirect wholly owned subsidiary of Noble ("Merger Sub 1"), and Dolphin Merger Sub 2, Inc., an indirect wholly owned subsidiary of Noble ("Merger Sub 2"), under which, and upon the terms and subject to the conditions set forth therein, Merger Sub 1 merged with and into the Issuer (the "first merger"), with the Issuer surviving and becoming an indirect wholly owned subsidiary of Noble, and immediately thereafter, the Issuer, as the surviving entity in the first merger, merged with and into Merger Sub 2, with Merger Sub 2 surviving and continuing as an indirect wholly owned subsidiary of Noble.

F2 · deemedExecutionDate: (Continued from footnote 1) Pursuant to the Merger Agreement, at the effective time of the first merger (the "effective time"), each share of common stock, par value $0.0001 per share, of the Issuer ("Diamond Offshore common stock") beneficially owned by the Reporting Person was exchanged for the right to receive the following: (a) $5.65 in cash, without interest, per share of Diamond Offshore common stock; (b) 0.2316 of validly issued, fully paid and non-assessable A ordinary shares, $0.00001 nominal value per share, of Noble ("Noble ordinary shares"); and (c) any cash in lieu of fractional Noble ordinary shares paid pursuant to the Merger Agreement (collectively, the Merger Consideration").

F3 · deemedExecutionDate: Reported securities represent vested and undelivered time-vesting restricted stock units covering shares of Diamond Offshore common stock beneficially owned by the Reporting Person.

F5 · deemedExecutionDate: At the effective time, each time-vested restricted stock unit was, at the election of the Reporting Person, settled in either shares of Diamond Offshore common stock or cash pursuant to the applicable Restricted Stock Unit Award Agreement, and any such shares received in settlement were converted automatically into the right to receive the Merger Consideration upon the terms and subject to the conditions set forth in the Merger Agreement. The Reporting Person elected to settle in cash an aggregate of 4,054 of the total reported time-vesting restricted stock units.

F1 · price: This Form 4 reports securities disposed of in connection with the Agreement and Plan of Merger (the "Merger Agreement"), dated June 9, 2024, by and among Diamond Offshore Drilling, Inc., a Delaware corporation (the "Issuer"), Noble Corporation plc, a public limited company incorporated under the laws of England and Wales ("Noble"), Dolphin Merger Sub 1, Inc., an indirect wholly owned subsidiary of Noble ("Merger Sub 1"), and Dolphin Merger Sub 2, Inc., an indirect wholly owned subsidiary of Noble ("Merger Sub 2"), under which, and upon the terms and subject to the conditions set forth therein, Merger Sub 1 merged with and into the Issuer (the "first merger"), with the Issuer surviving and becoming an indirect wholly owned subsidiary of Noble, and immediately thereafter, the Issuer, as the surviving entity in the first merger, merged with and into Merger Sub 2, with Merger Sub 2 surviving and continuing as an indirect wholly owned subsidiary of Noble.

F2 · price: (Continued from footnote 1) Pursuant to the Merger Agreement, at the effective time of the first merger (the "effective time"), each share of common stock, par value $0.0001 per share, of the Issuer ("Diamond Offshore common stock") beneficially owned by the Reporting Person was exchanged for the right to receive the following: (a) $5.65 in cash, without interest, per share of Diamond Offshore common stock; (b) 0.2316 of validly issued, fully paid and non-assessable A ordinary shares, $0.00001 nominal value per share, of Noble ("Noble ordinary shares"); and (c) any cash in lieu of fractional Noble ordinary shares paid pursuant to the Merger Agreement (collectively, the Merger Consideration").

F3 · price: Reported securities represent vested and undelivered time-vesting restricted stock units covering shares of Diamond Offshore common stock beneficially owned by the Reporting Person.

F5 · price: At the effective time, each time-vested restricted stock unit was, at the election of the Reporting Person, settled in either shares of Diamond Offshore common stock or cash pursuant to the applicable Restricted Stock Unit Award Agreement, and any such shares received in settlement were converted automatically into the right to receive the Merger Consideration upon the terms and subject to the conditions set forth in the Merger Agreement. The Reporting Person elected to settle in cash an aggregate of 4,054 of the total reported time-vesting restricted stock units.

F1 · derivative.exercise_date: This Form 4 reports securities disposed of in connection with the Agreement and Plan of Merger (the "Merger Agreement"), dated June 9, 2024, by and among Diamond Offshore Drilling, Inc., a Delaware corporation (the "Issuer"), Noble Corporation plc, a public limited company incorporated under the laws of England and Wales ("Noble"), Dolphin Merger Sub 1, Inc., an indirect wholly owned subsidiary of Noble ("Merger Sub 1"), and Dolphin Merger Sub 2, Inc., an indirect wholly owned subsidiary of Noble ("Merger Sub 2"), under which, and upon the terms and subject to the conditions set forth therein, Merger Sub 1 merged with and into the Issuer (the "first merger"), with the Issuer surviving and becoming an indirect wholly owned subsidiary of Noble, and immediately thereafter, the Issuer, as the surviving entity in the first merger, merged with and into Merger Sub 2, with Merger Sub 2 surviving and continuing as an indirect wholly owned subsidiary of Noble.

F2 · derivative.exercise_date: (Continued from footnote 1) Pursuant to the Merger Agreement, at the effective time of the first merger (the "effective time"), each share of common stock, par value $0.0001 per share, of the Issuer ("Diamond Offshore common stock") beneficially owned by the Reporting Person was exchanged for the right to receive the following: (a) $5.65 in cash, without interest, per share of Diamond Offshore common stock; (b) 0.2316 of validly issued, fully paid and non-assessable A ordinary shares, $0.00001 nominal value per share, of Noble ("Noble ordinary shares"); and (c) any cash in lieu of fractional Noble ordinary shares paid pursuant to the Merger Agreement (collectively, the Merger Consideration").

F3 · derivative.exercise_date: Reported securities represent vested and undelivered time-vesting restricted stock units covering shares of Diamond Offshore common stock beneficially owned by the Reporting Person.

F5 · derivative.exercise_date: At the effective time, each time-vested restricted stock unit was, at the election of the Reporting Person, settled in either shares of Diamond Offshore common stock or cash pursuant to the applicable Restricted Stock Unit Award Agreement, and any such shares received in settlement were converted automatically into the right to receive the Merger Consideration upon the terms and subject to the conditions set forth in the Merger Agreement. The Reporting Person elected to settle in cash an aggregate of 4,054 of the total reported time-vesting restricted stock units.

F1 · derivative.expiration_date: This Form 4 reports securities disposed of in connection with the Agreement and Plan of Merger (the "Merger Agreement"), dated June 9, 2024, by and among Diamond Offshore Drilling, Inc., a Delaware corporation (the "Issuer"), Noble Corporation plc, a public limited company incorporated under the laws of England and Wales ("Noble"), Dolphin Merger Sub 1, Inc., an indirect wholly owned subsidiary of Noble ("Merger Sub 1"), and Dolphin Merger Sub 2, Inc., an indirect wholly owned subsidiary of Noble ("Merger Sub 2"), under which, and upon the terms and subject to the conditions set forth therein, Merger Sub 1 merged with and into the Issuer (the "first merger"), with the Issuer surviving and becoming an indirect wholly owned subsidiary of Noble, and immediately thereafter, the Issuer, as the surviving entity in the first merger, merged with and into Merger Sub 2, with Merger Sub 2 surviving and continuing as an indirect wholly owned subsidiary of Noble.

F2 · derivative.expiration_date: (Continued from footnote 1) Pursuant to the Merger Agreement, at the effective time of the first merger (the "effective time"), each share of common stock, par value $0.0001 per share, of the Issuer ("Diamond Offshore common stock") beneficially owned by the Reporting Person was exchanged for the right to receive the following: (a) $5.65 in cash, without interest, per share of Diamond Offshore common stock; (b) 0.2316 of validly issued, fully paid and non-assessable A ordinary shares, $0.00001 nominal value per share, of Noble ("Noble ordinary shares"); and (c) any cash in lieu of fractional Noble ordinary shares paid pursuant to the Merger Agreement (collectively, the Merger Consideration").

F3 · derivative.expiration_date: Reported securities represent vested and undelivered time-vesting restricted stock units covering shares of Diamond Offshore common stock beneficially owned by the Reporting Person.

F5 · derivative.expiration_date: At the effective time, each time-vested restricted stock unit was, at the election of the Reporting Person, settled in either shares of Diamond Offshore common stock or cash pursuant to the applicable Restricted Stock Unit Award Agreement, and any such shares received in settlement were converted automatically into the right to receive the Merger Consideration upon the terms and subject to the conditions set forth in the Merger Agreement. The Reporting Person elected to settle in cash an aggregate of 4,054 of the total reported time-vesting restricted stock units.

SEC source: 0000895126-24-000092 · wk-form4_1717710786.xml · nonDerivative · entry 1

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,797

F1 · price: Represents the weighted average volume price, or "VWAP," over the 30 trading days ending on Wednesday, June 5, 2024.

SEC source: 0001603923-24-000049 · wk-form4_1707777602.xml · nonDerivative · entry 2

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,801

F1 · balance_after: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $96.96 to $97.21, inclusive. Details on the number of shares sold at each separate price will be provided to the staff of the Securities and Exchange Commission upon request.

SEC source: 0001603923-24-000049 · wk-form4_1707777602.xml · nonDerivative · entry 1

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,801

SEC source: 0001603923-24-000026 · wk-form4_1705959477.xml · derivative · entry 4

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,397

Underlying: Ordinary Shares · 2,397 shares

Expires not disclosed

F3 · derivative.exercise_price: Represents RSUs granted on January 18, 2024 pursuant to the 2019 EIP. The RSUs vest on the first anniversary of the grant date.

F3 · derivative.exercise_date: Represents RSUs granted on January 18, 2024 pursuant to the 2019 EIP. The RSUs vest on the first anniversary of the grant date.

F3 · derivative.expiration_date: Represents RSUs granted on January 18, 2024 pursuant to the 2019 EIP. The RSUs vest on the first anniversary of the grant date.

SEC source: 0001603923-24-000026 · wk-form4_1705959477.xml · derivative · entry 3

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 4,101 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: 1. Represents the vesting of restricted share units ("RSUs") granted on January 18, 2023 pursuant to the Issuer's 2019 Equity Incentive Plan, as amended and restated (the "2019 EIP"). The RSUs vest on the first anniversary of the grant date.

F1 · derivative.exercise_date: 1. Represents the vesting of restricted share units ("RSUs") granted on January 18, 2023 pursuant to the Issuer's 2019 Equity Incentive Plan, as amended and restated (the "2019 EIP"). The RSUs vest on the first anniversary of the grant date.

F1 · derivative.expiration_date: 1. Represents the vesting of restricted share units ("RSUs") granted on January 18, 2023 pursuant to the Issuer's 2019 Equity Incentive Plan, as amended and restated (the "2019 EIP"). The RSUs vest on the first anniversary of the grant date.

SEC source: 0001603923-24-000026 · wk-form4_1705959477.xml · nonDerivative · entry 2

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,801

F2 · kind: At the election of the Committee administering the 2019 EIP, the vesting of the RSUs was settled partially in stock and partially in cash. Represents the deemed disposition of the ordinary shares underlying the portion of vested RSUs settled in cash.

SEC source: 0001603923-24-000026 · wk-form4_1705959477.xml · nonDerivative · entry 1

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,318

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: 1. Represents the vesting of restricted share units ("RSUs") granted on January 18, 2023 pursuant to the Issuer's 2019 Equity Incentive Plan, as amended and restated (the "2019 EIP"). The RSUs vest on the first anniversary of the grant date.

SEC source: 0001209191-24-001631 · doc4.xml · derivative · entry 1

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,562

Underlying: Common Stock · 9,562 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock.

F2 · derivative.exercise_date: The restricted stock units vest and become non-forfeitable on the first anniversary of the grant date. The vested shares of common stock will be delivered to the reporting person following the earliest to occur of (i) the fifth anniversary of the grant date, (ii) the reporting person's separation from service with the issuer and (iii) a change in control (as defined in the award agreement) of the issuer.

F2 · derivative.expiration_date: The restricted stock units vest and become non-forfeitable on the first anniversary of the grant date. The vested shares of common stock will be delivered to the reporting person following the earliest to occur of (i) the fifth anniversary of the grant date, (ii) the reporting person's separation from service with the issuer and (iii) a change in control (as defined in the award agreement) of the issuer.

SEC source: 0001437749-24-000754 · rdgdoc.xml · derivative · entry 3

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85,100

Underlying: Common Stock · 85,100 shares

Expires 2034-01-02

F1 · derivative.exercise_price: Restricted stock units convert into common stock or cash upon vesting at the election of the Issuer.

F3 · derivative.exercise_date: Restricted stock units vest 100% on January 2, 2025.

SEC source: 0000895126-23-000085 · wk-form4_1686255203.xml · nonDerivative · entry 1

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,563

F1 · price: Represents the weighted average volume price, or "VWAP," over the 30 trading days ending on Wednesday, June 7, 2023.

SEC source: 0001437749-23-015369 · rdgdoc.xml · derivative · entry 2

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,500

Underlying: Common Stock · 8,500 shares

Expires 2033-02-21

F1 · derivative.exercise_price: Restricted stock units convert into common stock or cash upon vesting at the election of the Issuer.

F2 · derivative.exercise_date: Restricted stock units vest 100% on February 21, 2024.

SEC source: 0001209191-23-004184 · doc4.xml · derivative · entry 1

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,320

Underlying: Common Stock · 12,320 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock.

F2 · derivative.exercise_date: The restricted stock units vest and become non-forfeitable on the first anniversary of the grant date. The vested shares of common stock will be delivered to the reporting person following the earliest to occur of (i) the fifth anniversary of the grant date, (ii) the reporting person's separation from service with the issuer and (iii) a change in control (as defined in the award agreement) of the issuer.

F2 · derivative.expiration_date: The restricted stock units vest and become non-forfeitable on the first anniversary of the grant date. The vested shares of common stock will be delivered to the reporting person following the earliest to occur of (i) the fifth anniversary of the grant date, (ii) the reporting person's separation from service with the issuer and (iii) a change in control (as defined in the award agreement) of the issuer.

SEC source: 0001603923-23-000046 · wf-form4_167426851299668.xml · derivative · entry 4

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,101

Underlying: Ordinary Shares · 4,101 shares

Expires not disclosed

F3 · derivative.exercise_price: Represents a grant of RSUs on January 18, 2023 pursuant to the 2019 EIP. RSUs vest on the first anniversary of the date of grant.

F3 · derivative.exercise_date: Represents a grant of RSUs on January 18, 2023 pursuant to the 2019 EIP. RSUs vest on the first anniversary of the date of grant.

F3 · derivative.expiration_date: Represents a grant of RSUs on January 18, 2023 pursuant to the 2019 EIP. RSUs vest on the first anniversary of the date of grant.

SEC source: 0001603923-23-000046 · wf-form4_167426851299668.xml · derivative · entry 3

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 6,805 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: Represents the vesting of restricted share units ("RSUs") granted on January 18, 2022 pursuant to the terms of the Issuer's 2019 Equity Incentive Plan, as amended and restated (the "2019 EIP"). The RSUs vest on the first anniversary of the date of grant.

F1 · derivative.exercise_date: Represents the vesting of restricted share units ("RSUs") granted on January 18, 2022 pursuant to the terms of the Issuer's 2019 Equity Incentive Plan, as amended and restated (the "2019 EIP"). The RSUs vest on the first anniversary of the date of grant.

F1 · derivative.expiration_date: Represents the vesting of restricted share units ("RSUs") granted on January 18, 2022 pursuant to the terms of the Issuer's 2019 Equity Incentive Plan, as amended and restated (the "2019 EIP"). The RSUs vest on the first anniversary of the date of grant.

SEC source: 0001603923-23-000046 · wf-form4_167426851299668.xml · nonDerivative · entry 2

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,217

F2 · kind: At the election of the Committee administering the 2019 EIP, the vesting of the RSUs was settled partially in stock and partially in cash. Represents the deemed disposition of the ordinary shares underlying the portion of vested RSUs settled in cash.

SEC source: 0001603923-23-000046 · wf-form4_167426851299668.xml · nonDerivative · entry 1

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,734

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: Represents the vesting of restricted share units ("RSUs") granted on January 18, 2022 pursuant to the terms of the Issuer's 2019 Equity Incentive Plan, as amended and restated (the "2019 EIP"). The RSUs vest on the first anniversary of the date of grant.

SEC source: 0001567619-22-021621 · doc1.xml · nonDerivative · entry 1

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100

SEC source: 0000895126-22-000100 · wf-form4_165480681572133.xml · nonDerivative · entry 1

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,036

F1 · price: Represents the weighted average volume price, or "VWAP," over the 30 trading days ending on Wednesday, June 8, 2022.

SEC source: 0001209191-22-027021 · doc4.xml · derivative · entry 1

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,135

Underlying: Common Stock · 10,135 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock.

F2 · derivative.exercise_date: The restricted stock units vest and become non-forfeitable with respect to 30% of the restricted stock units on May 3, 2023 and 70% of the restricted stock units on May 3, 2024. The vested shares of common stock will be delivered to the reporting person following the earliest to occur of (i) the fifth anniversary of the grant date, (ii) the reporting person's separation from service with the issuer and (iii) a change in control (as defined in the award agreement) of the issuer.

F2 · derivative.expiration_date: The restricted stock units vest and become non-forfeitable with respect to 30% of the restricted stock units on May 3, 2023 and 70% of the restricted stock units on May 3, 2024. The vested shares of common stock will be delivered to the reporting person following the earliest to occur of (i) the fifth anniversary of the grant date, (ii) the reporting person's separation from service with the issuer and (iii) a change in control (as defined in the award agreement) of the issuer.

SEC source: 0001603923-22-000036 · wf-form4_164272249034575.xml · derivative · entry 1

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,805

Underlying: Ordinary Shares · 6,805 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents a grant of restricted share units ("RSUs") granted on January 18, 2022 pursuant to the Issuer's Second Amended and Restated 2019 Equity Incentive Plan. The RSUs vest on the first anniversary of the date of grant.

F1 · price: Represents a grant of restricted share units ("RSUs") granted on January 18, 2022 pursuant to the Issuer's Second Amended and Restated 2019 Equity Incentive Plan. The RSUs vest on the first anniversary of the date of grant.

F1 · derivative.exercise_date: Represents a grant of restricted share units ("RSUs") granted on January 18, 2022 pursuant to the Issuer's Second Amended and Restated 2019 Equity Incentive Plan. The RSUs vest on the first anniversary of the date of grant.

F1 · derivative.expiration_date: Represents a grant of restricted share units ("RSUs") granted on January 18, 2022 pursuant to the Issuer's Second Amended and Restated 2019 Equity Incentive Plan. The RSUs vest on the first anniversary of the date of grant.

SEC source: 0001603923-22-000019 · wf-form4_164150415315390.xml · derivative · entry 3

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 47,506 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: Represents the vesting of restricted share units ("RSUs") granted on January 4, 2021 pursuant to Issuer's Second Amended and Restated 2019 Equity Incentive Plan (the "2019 EIP"). The RSUs vest on the first anniversary of the date of grant.

F1 · derivative.exercise_date: Represents the vesting of restricted share units ("RSUs") granted on January 4, 2021 pursuant to Issuer's Second Amended and Restated 2019 Equity Incentive Plan (the "2019 EIP"). The RSUs vest on the first anniversary of the date of grant.

F1 · derivative.expiration_date: Represents the vesting of restricted share units ("RSUs") granted on January 4, 2021 pursuant to Issuer's Second Amended and Restated 2019 Equity Incentive Plan (the "2019 EIP"). The RSUs vest on the first anniversary of the date of grant.

SEC source: 0001603923-22-000019 · wf-form4_164150415315390.xml · nonDerivative · entry 2

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,929

F2 · kind: At the election of the Committee administering the 2019 EIP, the vesting of the RSUs was settled partially in stock and partially in cash. Represents the deemed disposition of the ordinary shares underlying the portion of vested RSUs settled in cash.

SEC source: 0001603923-22-000019 · wf-form4_164150415315390.xml · nonDerivative · entry 1

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,506

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: Represents the vesting of restricted share units ("RSUs") granted on January 4, 2021 pursuant to Issuer's Second Amended and Restated 2019 Equity Incentive Plan (the "2019 EIP"). The RSUs vest on the first anniversary of the date of grant.

SEC source: 0001209191-21-048094 · doc4.xml · derivative · entry 4

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: common stock · 0 shares

Expires not disclosed

F4 · derivative.exercise_price: Pursuant to the Agreement, each CSU outstanding immediately prior to the Effective Time was cancelled in exchange for cash equal to (i) the number of shares of Issuer common stock subject to such CSU multiplied by (ii) $3.40.

F4 · price: Pursuant to the Agreement, each CSU outstanding immediately prior to the Effective Time was cancelled in exchange for cash equal to (i) the number of shares of Issuer common stock subject to such CSU multiplied by (ii) $3.40.

F4 · derivative.exercise_date: Pursuant to the Agreement, each CSU outstanding immediately prior to the Effective Time was cancelled in exchange for cash equal to (i) the number of shares of Issuer common stock subject to such CSU multiplied by (ii) $3.40.

F4 · derivative.expiration_date: Pursuant to the Agreement, each CSU outstanding immediately prior to the Effective Time was cancelled in exchange for cash equal to (i) the number of shares of Issuer common stock subject to such CSU multiplied by (ii) $3.40.

SEC source: 0001209191-21-048094 · doc4.xml · derivative · entry 3

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: common stock · 0 shares

Expires not disclosed

F3 · derivative.exercise_price: Pursuant to the APM, each PSU outstanding immediately prior to the Effective Time was cancelled in exchange for the contingent right to cash equal to (i) the number of shares of common stock subject to such PSU based on attainment of the performance criteria discussed below multiplied by (ii) $3.40. PSUs subject to vesting based on stock price were certified by the Issuers Compensation Committee as met at $3.25 per share, resulting in 1/3 of PSUs becoming vested and payable and 2/3 of PSUs being forfeited. PSUs subject to vesting based on free cash flow ("FCPSUs"), were certified by such Committee as met at maximum levels (paid out at 150% of target for 2019 and 125% of target for 2020). Payment for FCPSUs remains contingent on time-based vesting conditions to be made at the earliest of (a) the current vesting date, subject to the continued employment through such date, (b) the anniversary of the Effective Time and (c) the date when the employment is terminated without cause.

F3 · price: Pursuant to the APM, each PSU outstanding immediately prior to the Effective Time was cancelled in exchange for the contingent right to cash equal to (i) the number of shares of common stock subject to such PSU based on attainment of the performance criteria discussed below multiplied by (ii) $3.40. PSUs subject to vesting based on stock price were certified by the Issuers Compensation Committee as met at $3.25 per share, resulting in 1/3 of PSUs becoming vested and payable and 2/3 of PSUs being forfeited. PSUs subject to vesting based on free cash flow ("FCPSUs"), were certified by such Committee as met at maximum levels (paid out at 150% of target for 2019 and 125% of target for 2020). Payment for FCPSUs remains contingent on time-based vesting conditions to be made at the earliest of (a) the current vesting date, subject to the continued employment through such date, (b) the anniversary of the Effective Time and (c) the date when the employment is terminated without cause.

F3 · derivative.exercise_date: Pursuant to the APM, each PSU outstanding immediately prior to the Effective Time was cancelled in exchange for the contingent right to cash equal to (i) the number of shares of common stock subject to such PSU based on attainment of the performance criteria discussed below multiplied by (ii) $3.40. PSUs subject to vesting based on stock price were certified by the Issuers Compensation Committee as met at $3.25 per share, resulting in 1/3 of PSUs becoming vested and payable and 2/3 of PSUs being forfeited. PSUs subject to vesting based on free cash flow ("FCPSUs"), were certified by such Committee as met at maximum levels (paid out at 150% of target for 2019 and 125% of target for 2020). Payment for FCPSUs remains contingent on time-based vesting conditions to be made at the earliest of (a) the current vesting date, subject to the continued employment through such date, (b) the anniversary of the Effective Time and (c) the date when the employment is terminated without cause.

F3 · derivative.expiration_date: Pursuant to the APM, each PSU outstanding immediately prior to the Effective Time was cancelled in exchange for the contingent right to cash equal to (i) the number of shares of common stock subject to such PSU based on attainment of the performance criteria discussed below multiplied by (ii) $3.40. PSUs subject to vesting based on stock price were certified by the Issuers Compensation Committee as met at $3.25 per share, resulting in 1/3 of PSUs becoming vested and payable and 2/3 of PSUs being forfeited. PSUs subject to vesting based on free cash flow ("FCPSUs"), were certified by such Committee as met at maximum levels (paid out at 150% of target for 2019 and 125% of target for 2020). Payment for FCPSUs remains contingent on time-based vesting conditions to be made at the earliest of (a) the current vesting date, subject to the continued employment through such date, (b) the anniversary of the Effective Time and (c) the date when the employment is terminated without cause.

SEC source: 0001209191-21-048094 · doc4.xml · derivative · entry 2

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: common stock · 0 shares

Expires not disclosed

F2 · derivative.exercise_price: Pursuant to the Agreement, each Issuer RSU outstanding immediately prior to the Effective Time was cancelled in exchange for cash equal to (i) the number of shares of Issuer common stock subject to such RSU multiplied by (ii) $3.40.

F2 · price: Pursuant to the Agreement, each Issuer RSU outstanding immediately prior to the Effective Time was cancelled in exchange for cash equal to (i) the number of shares of Issuer common stock subject to such RSU multiplied by (ii) $3.40.

F2 · derivative.exercise_date: Pursuant to the Agreement, each Issuer RSU outstanding immediately prior to the Effective Time was cancelled in exchange for cash equal to (i) the number of shares of Issuer common stock subject to such RSU multiplied by (ii) $3.40.

F2 · derivative.expiration_date: Pursuant to the Agreement, each Issuer RSU outstanding immediately prior to the Effective Time was cancelled in exchange for cash equal to (i) the number of shares of Issuer common stock subject to such RSU multiplied by (ii) $3.40.

SEC source: 0001209191-21-048094 · doc4.xml · nonDerivative · entry 1

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: On July 22, 2021, the Issuer was acquired by Alaska Management, Inc. ("Parent") pursuant to the Agreement and Plan of Merger (the "Agreement"), dated as of December 31, 2020, by and among Issuer, Parent and Project 8 MergerSub, Inc. (the "Merger"). At the effective time of the Merger (the "Effective Time"), each outstanding share of Issuer common stock (subject to limited exceptions) converted into the right to receive $3.40 in cash, without interest (the "Merger Consideration").

F1 · price: On July 22, 2021, the Issuer was acquired by Alaska Management, Inc. ("Parent") pursuant to the Agreement and Plan of Merger (the "Agreement"), dated as of December 31, 2020, by and among Issuer, Parent and Project 8 MergerSub, Inc. (the "Merger"). At the effective time of the Merger (the "Effective Time"), each outstanding share of Issuer common stock (subject to limited exceptions) converted into the right to receive $3.40 in cash, without interest (the "Merger Consideration").

SEC source: 0001209191-21-041724 · doc4.xml · nonDerivative · entry 1

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,011

F1 · price: Common stock awarded for services provided as a Director under the Alaska Communications Systems Group, Inc. 2011 Incentive Award Plan.

SEC source: 0000895126-21-000071 · wf-form4_161412258408715.xml · nonDerivative · entry 1

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,864

F1 · price: Represents the weighted average volume price, or "VWAP," over the five trading days ending on Friday, February 19, 2021.

SEC source: 0001209191-20-038062 · doc4.xml · derivative · entry 1

Duster Benjamin · CIK 0001313071 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,011

Underlying: Common Stock · 19,011 shares

Expires 2030-06-16

F1 · derivative.exercise_price: Restricted stock unit award under the Alaska Communications Systems Group, Inc. 2011 Incentive Award Plan

F2 · derivative.exercise_date: Amount represents restricted stock units granted under the Alaska Communications Systems Group, Inc. 2011 Incentive Award Plan which will vest in one annual installment beginning on the first company business day on or after June 16, 2021, subject to continued service.