Lutey Mary Ellen

SEC source: 0000893538-24-000116 · wk-form4_1724357871.xml · nonDerivative · entry 1

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 123,831

SEC source: 0000893538-24-000099 · wk-form4_1722025059.xml · derivative · entry 2

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 3,436

Underlying: Common Stock, $.01 Par Value · 3,436 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2025. The vested shares will be issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares will lapse.

F2 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2025. The vested shares will be issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares will lapse.

F2 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2025. The vested shares will be issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares will lapse.

F3 · ownership.direct: The Reporting Person's spouse is also employed by the Issuer and is eligible to earn grants of restricted stock units.

SEC source: 0000893538-24-000099 · wk-form4_1722025059.xml · derivative · entry 1

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,162

Underlying: Common Stock, $.01 Par Value · 9,162 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2025. The vested shares will be issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares will lapse.

F1 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2025. The vested shares will be issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares will lapse.

F1 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2025. The vested shares will be issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares will lapse.

SEC source: 0000893538-24-000072 · wk-form4_1720037804.xml · derivative · entry 20

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 2,634

Underlying: Common Stock, $.01 Par Value · 1,318 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.

F9 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2024. The vested shares will be issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares will lapse.

F9 · price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2024. The vested shares will be issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares will lapse.

F9 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2024. The vested shares will be issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares will lapse.

F9 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2024. The vested shares will be issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares will lapse.

SEC source: 0000893538-24-000072 · wk-form4_1720037804.xml · derivative · entry 19

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,904

Underlying: Common Stock, $.01 Par Value · 3,952 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.

F8 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2024. The vested shares will be issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares will lapse.

F8 · price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2024. The vested shares will be issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares will lapse.

F8 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2024. The vested shares will be issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares will lapse.

F8 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2024. The vested shares will be issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares will lapse.

SEC source: 0000893538-24-000072 · wk-form4_1720037804.xml · derivative · entry 18

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 1,223

Underlying: Common Stock, $.01 Par Value · 1,223 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.

F7 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2023. The vested shares will be issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares will lapse.

F7 · price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2023. The vested shares will be issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares will lapse.

F7 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2023. The vested shares will be issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares will lapse.

F7 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2023. The vested shares will be issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares will lapse.

SEC source: 0000893538-24-000072 · wk-form4_1720037804.xml · derivative · entry 17

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,179

Underlying: Common Stock, $.01 Par Value · 3,179 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.

F6 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2023. The vested shares will be issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares will lapse.

F6 · price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2023. The vested shares will be issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares will lapse.

F6 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2023. The vested shares will be issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares will lapse.

F6 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2023. The vested shares will be issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares will lapse.

SEC source: 0000893538-24-000072 · wk-form4_1720037804.xml · derivative · entry 16

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 0

Underlying: Common Stock, $.01 Par Value · 1,503 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.

F5 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal annual installments beginning July 1, 2022. The vested shares were issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares lapsed.

F5 · price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal annual installments beginning July 1, 2022. The vested shares were issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares lapsed.

F5 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal annual installments beginning July 1, 2022. The vested shares were issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares lapsed.

F5 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal annual installments beginning July 1, 2022. The vested shares were issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares lapsed.

SEC source: 0000893538-24-000072 · wk-form4_1720037804.xml · derivative · entry 15

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, $.01 Par Value · 3,757 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.

F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal annual installments beginning on July 1, 2022. The vested shares were issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares lapsed.

F4 · price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal annual installments beginning on July 1, 2022. The vested shares were issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares lapsed.

F4 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal annual installments beginning on July 1, 2022. The vested shares were issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares lapsed.

F4 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal annual installments beginning on July 1, 2022. The vested shares were issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares lapsed.

SEC source: 0000893538-24-000072 · wk-form4_1720037804.xml · nonDerivative · entry 14

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 15,587

SEC source: 0000893538-24-000072 · wk-form4_1720037804.xml · nonDerivative · entry 13

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 15,966

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.

F9 · price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2024. The vested shares will be issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares will lapse.

SEC source: 0000893538-24-000072 · wk-form4_1720037804.xml · nonDerivative · entry 12

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 124,831

SEC source: 0000893538-24-000072 · wk-form4_1720037804.xml · nonDerivative · entry 11

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 125,968

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.

F8 · price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2024. The vested shares will be issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares will lapse.

SEC source: 0000893538-24-000072 · wk-form4_1720037804.xml · nonDerivative · entry 10

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 14,648

SEC source: 0000893538-24-000072 · wk-form4_1720037804.xml · nonDerivative · entry 9

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 15,000

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.

F7 · price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2023. The vested shares will be issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares will lapse.

SEC source: 0000893538-24-000072 · wk-form4_1720037804.xml · nonDerivative · entry 8

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 122,016

SEC source: 0000893538-24-000072 · wk-form4_1720037804.xml · nonDerivative · entry 7

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 122,930

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.

F6 · price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2023. The vested shares will be issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares will lapse.

SEC source: 0000893538-24-000072 · wk-form4_1720037804.xml · nonDerivative · entry 6

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 13,777

SEC source: 0000893538-24-000072 · wk-form4_1720037804.xml · nonDerivative · entry 5

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 14,210

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.

F5 · price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal annual installments beginning July 1, 2022. The vested shares were issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares lapsed.

SEC source: 0000893538-24-000072 · wk-form4_1720037804.xml · nonDerivative · entry 4

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 119,751

SEC source: 0000893538-24-000072 · wk-form4_1720037804.xml · nonDerivative · entry 3

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 120,832

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.

F4 · price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal annual installments beginning on July 1, 2022. The vested shares were issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares lapsed.

SEC source: 0000893538-24-000072 · wk-form4_1720037804.xml · nonDerivative · entry 2

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 12,707

F2 · kind: The Reporting Person's spouse purchased 235 shares of the Issuer's common stock on June 28, 2024, through the Issuer's Employee Stock Purchase Plan.

F3 · ownership.direct: The Reporting Person's spouse is also employed by the Issuer and purchases the Issuers's common stock through the Issuer's Employment Stock Purchase Plan.

SEC source: 0000893538-24-000072 · wk-form4_1720037804.xml · nonDerivative · entry 1

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 117,075

F1 · kind: The Reporting Person purchased 239 shares of the Issuer's common stock on June 28, 2024, through the Issuer's Employee Stock Purchase Plan.

SEC source: 0000893538-24-000014 · wk-form4_1709673954.xml · nonDerivative · entry 3

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 12,472

F4 · price: The shares were sold in multiple transactions at prices ranging from $44.48 to $44.55, inclusive. The spouse of the Reporting Person undertakes to provide to the Issuer, any security holder of Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.

SEC source: 0000893538-24-000014 · wk-form4_1709673954.xml · nonDerivative · entry 2

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 55,978

F2 · kind: The Reporting Person's spouse purchased 282 shares of the Issuer's common stock on December 29, 2023, through the Issuer's Employee Stock Purchase Plan.

F3 · ownership.direct: The Reporting Person's spouse is also employed by the Issuer and purchases the Issuers's common stock through the Issuer's Employee Stock Purchase Plan.

SEC source: 0000893538-24-000014 · wk-form4_1709673954.xml · nonDerivative · entry 1

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 116,836

F1 · kind: The Reporting Person purchased 285 shares of the Issuer's common stock on December 29, 2023, through the Issuer's Employee Stock Purchase Plan.

SEC source: 0000893538-23-000074 · wk-form4_1690230388.xml · derivative · entry 2

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 3,952

Underlying: Common Stock, $.01 Par Value · 3,952 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2024. The vested shares will be issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares will lapse.

F2 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2024. The vested shares will be issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares will lapse.

F2 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2024. The vested shares will be issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares will lapse.

F3 · ownership.direct: The Reporting Person's spouse is also employed by the Issuer and is eligible to earn grants of restricted stock units.

SEC source: 0000893538-23-000074 · wk-form4_1690230388.xml · derivative · entry 1

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,856

Underlying: Common Stock, $.01 Par Value · 11,856 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2024. The vested shares will be issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares will lapse.

F1 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2024. The vested shares will be issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares will lapse.

F1 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2024. The vested shares will be issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares will lapse.

SEC source: 0000893538-23-000064 · wk-form4_1688675186.xml · derivative · entry 22

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 2,446

Underlying: Common Stock, $.01 Par Value · 1,222 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.

F11 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2023. The vested shares will be issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares will lapse.

F11 · price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2023. The vested shares will be issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares will lapse.

F11 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2023. The vested shares will be issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares will lapse.

F11 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2023. The vested shares will be issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares will lapse.

SEC source: 0000893538-23-000064 · wk-form4_1688675186.xml · derivative · entry 21

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,358

Underlying: Common Stock, $.01 Par Value · 3,178 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.

F10 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2023. The vested shares will be issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares will lapse.

F10 · price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2023. The vested shares will be issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares will lapse.

F10 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2023. The vested shares will be issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares will lapse.

F10 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2023. The vested shares will be issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares will lapse.

SEC source: 0000893538-23-000064 · wk-form4_1688675186.xml · derivative · entry 20

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 1,503

Underlying: Common Stock, $.01 Par Value · 1,503 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.

F9 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2022. The vested shares will be issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares will lapse.

F9 · price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2022. The vested shares will be issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares will lapse.

F9 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2022. The vested shares will be issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares will lapse.

F9 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2022. The vested shares will be issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares will lapse.

SEC source: 0000893538-23-000064 · wk-form4_1688675186.xml · derivative · entry 19

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,757

Underlying: Common Stock, $.01 Par Value · 3,757 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.

F8 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2022. The vested shares will be issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares will lapse.

F8 · price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2022. The vested shares will be issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares will lapse.

F8 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2022. The vested shares will be issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares will lapse.

F8 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2022. The vested shares will be issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares will lapse.

SEC source: 0000893538-23-000064 · wk-form4_1688675186.xml · derivative · entry 18

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 0

Underlying: Common Stock, $.01 Par Value · 3,205 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.

F7 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal installments on December 14, 2021, July 1, 2022 and July 1, 2023. The vested shares were issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares lapsed.

F7 · price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal installments on December 14, 2021, July 1, 2022 and July 1, 2023. The vested shares were issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares lapsed.

F7 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal installments on December 14, 2021, July 1, 2022 and July 1, 2023. The vested shares were issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares lapsed.

F7 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal installments on December 14, 2021, July 1, 2022 and July 1, 2023. The vested shares were issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares lapsed.

SEC source: 0000893538-23-000064 · wk-form4_1688675186.xml · derivative · entry 17

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, $.01 Par Value · 8,013 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.

F6 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal installments on December 14, 2021, July 1, 2022 and July 1, 2023. The vested shares were issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares lapsed.

F6 · price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal installments on December 14, 2021, July 1, 2022 and July 1, 2023. The vested shares were issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares lapsed.

F6 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal installments on December 14, 2021, July 1, 2022 and July 1, 2023. The vested shares were issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares lapsed.

F6 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal installments on December 14, 2021, July 1, 2022 and July 1, 2023. The vested shares were issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares lapsed.

SEC source: 0000893538-23-000064 · wk-form4_1688675186.xml · nonDerivative · entry 16

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 55,696

SEC source: 0000893538-23-000064 · wk-form4_1688675186.xml · nonDerivative · entry 15

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 56,048

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.

F11 · price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2023. The vested shares will be issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares will lapse.

SEC source: 0000893538-23-000064 · wk-form4_1688675186.xml · nonDerivative · entry 14

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 116,551

SEC source: 0000893538-23-000064 · wk-form4_1688675186.xml · nonDerivative · entry 13

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 117,465

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.

F10 · price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2023. The vested shares will be issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares will lapse.

SEC source: 0000893538-23-000064 · wk-form4_1688675186.xml · nonDerivative · entry 12

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 54,826

SEC source: 0000893538-23-000064 · wk-form4_1688675186.xml · nonDerivative · entry 11

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 55,259

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.

F9 · price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2022. The vested shares will be issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares will lapse.

SEC source: 0000893538-23-000064 · wk-form4_1688675186.xml · nonDerivative · entry 10

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 114,287

SEC source: 0000893538-23-000064 · wk-form4_1688675186.xml · nonDerivative · entry 9

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 115,368

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.

F8 · price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vests in three equal annual installments beginning on July 1, 2022. The vested shares will be issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares will lapse.

SEC source: 0000893538-23-000064 · wk-form4_1688675186.xml · nonDerivative · entry 8

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 53,756

SEC source: 0000893538-23-000064 · wk-form4_1688675186.xml · nonDerivative · entry 7

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 54,678

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.

F7 · price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal installments on December 14, 2021, July 1, 2022 and July 1, 2023. The vested shares were issued to the Reporting Person's spouse on the vesting dates, at which time all restrictions on the vested shares lapsed.

SEC source: 0000893538-23-000064 · wk-form4_1688675186.xml · nonDerivative · entry 6

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 111,611

SEC source: 0000893538-23-000064 · wk-form4_1688675186.xml · nonDerivative · entry 5

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 113,915

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.

F6 · price: Each restricted stock unit represents a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal installments on December 14, 2021, July 1, 2022 and July 1, 2023. The vested shares were issued to the Reporting Person on the vesting dates, at which time all restrictions on the vested shares lapsed.

SEC source: 0000893538-23-000064 · wk-form4_1688675186.xml · nonDerivative · entry 4

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 51,473

F5 · kind: The Reporting Person's spouse purchased 276 shares of the Issuer's common stock on June 30, 2023, through the Issuer's Employee Stock Purchase Plan.

F3 · ownership.direct: The Reporting Person's spouse is also employed by the Issuer and purchases the Issuers's common stock through the Issuer's Employment Stock Purchase Plan.

SEC source: 0000893538-23-000064 · wk-form4_1688675186.xml · nonDerivative · entry 3

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 105,902

F4 · kind: The Reporting Person purchased 280 shares of the Issuer's common stock on June 30, 2023, through the Issuer's Employee Stock Purchase Plan.

SEC source: 0000893538-23-000064 · wk-form4_1688675186.xml · nonDerivative · entry 2

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 51,197

F2 · kind: The Reporting Person's spouse purchased 247 shares of the Issuer's common stock on December 30, 2022, through the Issuer's Employee Stock Purchase Plan.

F3 · ownership.direct: The Reporting Person's spouse is also employed by the Issuer and purchases the Issuers's common stock through the Issuer's Employment Stock Purchase Plan.

SEC source: 0000893538-23-000064 · wk-form4_1688675186.xml · nonDerivative · entry 1

Lutey Mary Ellen · CIK 0001563908 · SVP - Expl., Development & EHS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 105,622

F1 · kind: The Reporting Person purchased 251 shares of the Issuer's common stock on December 30, 2022, through the Issuer's Employee Stock Purchase Plan.