Lutey Mary Ellen

SEC source: 0000893538-21-000056 · wf-form4_162560948879449.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 36,891

F3 · ownership.direct: The Reporting Person's spouse is also employed by the Issuer, purchases the Issuer's common stock through the Issuer's Employee Stock Purchase Plan, and is eligible to receive awards under the Issuer's equity incentive compensation plan.

SEC source: 0000893538-21-000056 · wf-form4_162560948879449.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 37,229

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 vests in three equal annual installments beginning on July 1, 2019. 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, purchases the Issuer's common stock through the Issuer's Employee Stock Purchase Plan, and is eligible to receive awards under the Issuer's equity incentive compensation plan.

SEC source: 0000893538-21-000056 · wf-form4_162560948879449.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,128

SEC source: 0000893538-21-000056 · wf-form4_162560948879449.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,621

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 vests in three equal annual installments beginning on July 1, 2019. 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: 0000893538-21-000056 · wf-form4_162560948879449.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 36,061

F2 · kind: The Reporting Person's spouse purchased 1,224 shares of the Issuer's common stock on June 30, 2021, through the Issuer's Employee Stock Purchase Plan.

F3 · ownership.direct: The Reporting Person's spouse is also employed by the Issuer, purchases the Issuer's common stock through the Issuer's Employee Stock Purchase Plan, and is eligible to receive awards under the Issuer's equity incentive compensation plan.

SEC source: 0000893538-21-000056 · wf-form4_162560948879449.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,918

F1 · kind: The Reporting Person purchased 1,278 shares of the Issuer's common stock on June 30, 2021, through the Issuer's Employee Stock Purchase Plan.

SEC source: 0000893538-20-000157 · wf-form4_160867457265801.xml · derivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 9,615

Underlying: Common Stock, $.01 Par Value · 9,615 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 installments on December 14, 2021, July 1, 2022 and 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.

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 installments on December 14, 2021, July 1, 2022 and 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.

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 installments on December 14, 2021, July 1, 2022 and 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.

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: 0000893538-20-000157 · wf-form4_160867457265801.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,038

Underlying: Common Stock, $.01 Par Value · 24,038 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 installments on December 14, 2021, July 1, 2022, and 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.

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 installments on December 14, 2021, July 1, 2022, and 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.

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 installments on December 14, 2021, July 1, 2022, and 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: 0000893538-20-000108 · wf-form4_159407729059719.xml · derivative · entry 26

Lutey Mary Ellen · CIK 0001563908 · SVP - Development & EHS

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 3,602

Underlying: Common Stock, $.01 Par Value · 1,800 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, 2020. 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, 2020. 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, 2020. 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, 2020. 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, purchases the Issuers's common stock through the Issuer's Employee Stock Purchase Plan, and is eligible to receive grants of restricted stock units and performance share units.

SEC source: 0000893538-20-000108 · wf-form4_159407729059719.xml · derivative · entry 25

Lutey Mary Ellen · CIK 0001563908 · SVP - Development & EHS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,379

Underlying: Common Stock, $.01 Par Value · 4,189 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, 2020. 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, 2020. 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, 2020. 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, 2020. 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: 0000893538-20-000108 · wf-form4_159407729059719.xml · derivative · entry 24

Lutey Mary Ellen · CIK 0001563908 · SVP - Development & EHS

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 1,168

Underlying: Common Stock, $.01 Par Value · 1,168 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, 2019. 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, 2019. 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, 2019. 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, 2019. 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, purchases the Issuers's common stock through the Issuer's Employee Stock Purchase Plan, and is eligible to receive grants of restricted stock units and performance share units.

SEC source: 0000893538-20-000108 · wf-form4_159407729059719.xml · derivative · entry 23

Lutey Mary Ellen · CIK 0001563908 · SVP - Development & EHS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,703

Underlying: Common Stock, $.01 Par Value · 1,703 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, 2019. 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, 2019. 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, 2019. 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, 2019. 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: 0000893538-20-000108 · wf-form4_159407729059719.xml · derivative · entry 22

Lutey Mary Ellen · CIK 0001563908 · SVP - Development & EHS

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 0

Underlying: Common Stock, $.01 Par Value · 1,109 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 represented a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal annual installments beginning on July 1, 2018. 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 represented a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal annual installments beginning on July 1, 2018. 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 represented a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal annual installments beginning on July 1, 2018. 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 represented a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal annual installments beginning on July 1, 2018. 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.

F3 · ownership.direct: The Reporting Person's spouse is also employed by the Issuer, purchases the Issuers's common stock through the Issuer's Employee Stock Purchase Plan, and is eligible to receive grants of restricted stock units and performance share units.

SEC source: 0000893538-20-000108 · wf-form4_159407729059719.xml · derivative · entry 21

Lutey Mary Ellen · CIK 0001563908 · SVP - Development & EHS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, $.01 Par Value · 2,647 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 represented a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal annual installments beginning on July 1, 2018. 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 represented a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal annual installments beginning on July 1, 2018. 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 represented a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal annual installments beginning on July 1, 2018. 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 represented a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal annual installments beginning on July 1, 2018. 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: 0000893538-20-000108 · wf-form4_159407729059719.xml · nonDerivative · entry 20

Lutey Mary Ellen · CIK 0001563908 · SVP - Development & EHS

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 34,837

F3 · ownership.direct: The Reporting Person's spouse is also employed by the Issuer, purchases the Issuers's common stock through the Issuer's Employee Stock Purchase Plan, and is eligible to receive grants of restricted stock units and performance share units.

SEC source: 0000893538-20-000108 · wf-form4_159407729059719.xml · nonDerivative · entry 19

Lutey Mary Ellen · CIK 0001563908 · SVP - Development & EHS

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 37,118

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.

F13 · price: On July 1, 2020, the Compensation Committee of the Board of Directors of the Issuer determined that 9,364 shares of the Issuer's common stock had been earned by the Reporting Person's spouse under the terms of a grant of performance share units ("PSUs"), based on the achievement of specific performance criteria that were not tied solely to the market price of the Issuer's common stock. The PSUs were granted to the Reporting Person's spouse on July 1, 2017, and represent the right to receive, upon the settlement of the PSUs, the determined number of earned shares of the Issuer's common stock based on the achievement of the performance criteria over a three-year performance period (with the determined number of earned shares being within a range of zero to two times the number of PSUs granted on the award date), to the extent that the PSUs have vested under separate employment service vesting provisions. The PSUs were fully vested on July 1, 2020.

F3 · ownership.direct: The Reporting Person's spouse is also employed by the Issuer, purchases the Issuers's common stock through the Issuer's Employee Stock Purchase Plan, and is eligible to receive grants of restricted stock units and performance share units.

SEC source: 0000893538-20-000108 · wf-form4_159407729059719.xml · nonDerivative · entry 18

Lutey Mary Ellen · CIK 0001563908 · SVP - Development & EHS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,640

SEC source: 0000893538-20-000108 · wf-form4_159407729059719.xml · nonDerivative · entry 17

Lutey Mary Ellen · CIK 0001563908 · SVP - Development & EHS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,082

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.

F12 · price: On July 1, 2020, the Compensation Committee of the Board of Directors of the Issuer determined that 22,345 shares of the Issuer's common stock had been earned by the Reporting Person under the terms of a grant of performance share units ("PSUs"), based on the achievement of specific performance criteria that were not tied solely to the market price of the Issuer's common stock. The PSUs were granted to the Reporting Person on July 1, 2017, and represent the right to receive, upon the settlement of the PSUs, the determined number of earned shares of the Issuer's common stock based on the achievement of the performance criteria over a three-year performance period (with the determined number of earned shares being within a range of zero to two times the number of PSUs granted on the award date), to the extent that the PSUs have vested under separate employment service vesting provisions. The PSUs were fully vested on July 1, 2020.

SEC source: 0000893538-20-000108 · wf-form4_159407729059719.xml · nonDerivative · entry 16

Lutey Mary Ellen · CIK 0001563908 · SVP - Development & EHS

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 27,754

F3 · ownership.direct: The Reporting Person's spouse is also employed by the Issuer, purchases the Issuers's common stock through the Issuer's Employee Stock Purchase Plan, and is eligible to receive grants of restricted stock units and performance share units.

SEC source: 0000893538-20-000108 · wf-form4_159407729059719.xml · nonDerivative · entry 15

Lutey Mary Ellen · CIK 0001563908 · SVP - Development & EHS

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 28,193

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, 2020. 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, purchases the Issuers's common stock through the Issuer's Employee Stock Purchase Plan, and is eligible to receive grants of restricted stock units and performance share units.

SEC source: 0000893538-20-000108 · wf-form4_159407729059719.xml · nonDerivative · entry 14

Lutey Mary Ellen · CIK 0001563908 · SVP - Development & EHS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,737

SEC source: 0000893538-20-000108 · wf-form4_159407729059719.xml · nonDerivative · entry 13

Lutey Mary Ellen · CIK 0001563908 · SVP - Development & EHS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,758

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, 2020. 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: 0000893538-20-000108 · wf-form4_159407729059719.xml · nonDerivative · entry 12

Lutey Mary Ellen · CIK 0001563908 · SVP - Development & EHS

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 26,393

F3 · ownership.direct: The Reporting Person's spouse is also employed by the Issuer, purchases the Issuers's common stock through the Issuer's Employee Stock Purchase Plan, and is eligible to receive grants of restricted stock units and performance share units.

SEC source: 0000893538-20-000108 · wf-form4_159407729059719.xml · nonDerivative · entry 11

Lutey Mary Ellen · CIK 0001563908 · SVP - Development & EHS

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 26,678

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.

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, 2019. 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, purchases the Issuers's common stock through the Issuer's Employee Stock Purchase Plan, and is eligible to receive grants of restricted stock units and performance share units.

SEC source: 0000893538-20-000108 · wf-form4_159407729059719.xml · nonDerivative · entry 10

Lutey Mary Ellen · CIK 0001563908 · SVP - Development & EHS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,569

SEC source: 0000893538-20-000108 · wf-form4_159407729059719.xml · nonDerivative · entry 9

Lutey Mary Ellen · CIK 0001563908 · SVP - Development & EHS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,984

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, 2019. 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: 0000893538-20-000108 · wf-form4_159407729059719.xml · nonDerivative · entry 8

Lutey Mary Ellen · CIK 0001563908 · SVP - Development & EHS

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 25,510

F3 · ownership.direct: The Reporting Person's spouse is also employed by the Issuer, purchases the Issuers's common stock through the Issuer's Employee Stock Purchase Plan, and is eligible to receive grants of restricted stock units and performance share units.

SEC source: 0000893538-20-000108 · wf-form4_159407729059719.xml · nonDerivative · entry 7

Lutey Mary Ellen · CIK 0001563908 · SVP - Development & EHS

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 25,781

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 represented a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal annual installments beginning on July 1, 2018. 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.

F3 · ownership.direct: The Reporting Person's spouse is also employed by the Issuer, purchases the Issuers's common stock through the Issuer's Employee Stock Purchase Plan, and is eligible to receive grants of restricted stock units and performance share units.

SEC source: 0000893538-20-000108 · wf-form4_159407729059719.xml · nonDerivative · entry 6

Lutey Mary Ellen · CIK 0001563908 · SVP - Development & EHS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,281

SEC source: 0000893538-20-000108 · wf-form4_159407729059719.xml · nonDerivative · entry 5

Lutey Mary Ellen · CIK 0001563908 · SVP - Development & EHS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,926

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 represented a contingent right to receive one share of stock. The restricted stock unit grant vested in three equal annual installments beginning on July 1, 2018. 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: 0000893538-20-000108 · wf-form4_159407729059719.xml · nonDerivative · entry 4

Lutey Mary Ellen · CIK 0001563908 · SVP - Development & EHS

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 24,672

F5 · kind: The Reporting Person's spouse purchased 2,224 shares of the Issuer's common stock on June 30, 2020, through the Issuer's Employee Stock Purchase Plan.

F3 · ownership.direct: The Reporting Person's spouse is also employed by the Issuer, purchases the Issuers's common stock through the Issuer's Employee Stock Purchase Plan, and is eligible to receive grants of restricted stock units and performance share units.

SEC source: 0000893538-20-000108 · wf-form4_159407729059719.xml · nonDerivative · entry 3

Lutey Mary Ellen · CIK 0001563908 · SVP - Development & EHS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,279

F4 · kind: The Reporting Person purchased 2,224 shares of the Issuer's common stock on June 30, 2020, through the Issuer's Employee Stock Purchase Plan.

SEC source: 0000893538-20-000108 · wf-form4_159407729059719.xml · nonDerivative · entry 2

Lutey Mary Ellen · CIK 0001563908 · SVP - Development & EHS

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 22,448

F2 · kind: The Reporting Person's spouse purchased 951 shares of the Issuer's common stock on December 31, 2019, through the Issuer's Employee Stock Purchase Plan.

F3 · ownership.direct: The Reporting Person's spouse is also employed by the Issuer, purchases the Issuers's common stock through the Issuer's Employee Stock Purchase Plan, and is eligible to receive grants of restricted stock units and performance share units.

SEC source: 0000893538-20-000108 · wf-form4_159407729059719.xml · nonDerivative · entry 1

Lutey Mary Ellen · CIK 0001563908 · SVP - Development & EHS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,055

F1 · kind: The Reporting Person purchased 912 shares of the Issuer's common stock on December 31, 2019, through the Issuer's Employee Stock Purchase Plan.

SEC source: 0000893538-19-000107 · wf-form4_156521671127627.xml · derivative · entry 2

Lutey Mary Ellen · CIK 0001563908 · Sr. VP & Regional Manager

10b5-1 filing: Not disclosed

Ownership: Indirect · By husband

Disclosed balance after: 5,402

Underlying: Common Stock · 5,402 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 July 1, 2020. 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.

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 July 1, 2020. 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.

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 July 1, 2020. 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.

F3 · ownership.direct: The reporting person's husband is also employed by the issuer, purchases the issuers's common stock through the issuer's Employee Stock Purchase Plan, and receives grants of restricted stock units and performance share awards.

SEC source: 0000893538-19-000107 · wf-form4_156521671127627.xml · derivative · entry 1

Lutey Mary Ellen · CIK 0001563908 · Sr. VP & Regional Manager

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,568

Underlying: Common Stock · 12,568 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 July 1, 2020. 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 July 1, 2020. 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 July 1, 2020. 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: 0000893538-19-000073 · wf-form4_156209964386339.xml · derivative · entry 22

Lutey Mary Ellen · CIK 0001563908 · Sr. VP & Regional Manager

10b5-1 filing: Not disclosed

Ownership: Indirect · By husband

Disclosed balance after: 2,336

Underlying: Common Stock · 1,167 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, 2019. The vested shares will be issued to the reporting person's husband 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, 2019. The vested shares will be issued to the reporting person's husband 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, 2019. The vested shares will be issued to the reporting person's husband 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, 2019. The vested shares will be issued to the reporting person's husband on the vesting dates, at which time all restrictions on the vested shares will lapse.

F3 · ownership.direct: The reporting person's husband is also employed by the issuer, purchases the issuers's common stock through the issuer's Employee Stock Purchase Plan, and receives grants of restricted stock units and performance share awards.

SEC source: 0000893538-19-000073 · wf-form4_156209964386339.xml · derivative · entry 21

Lutey Mary Ellen · CIK 0001563908 · Sr. VP & Regional Manager

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,406

Underlying: Common Stock · 1,703 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 July 1, 2019. 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 July 1, 2019. 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 July 1, 2019. 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 July 1, 2019. 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: 0000893538-19-000073 · wf-form4_156209964386339.xml · derivative · entry 20

Lutey Mary Ellen · CIK 0001563908 · Sr. VP & Regional Manager

10b5-1 filing: Not disclosed

Ownership: Indirect · By husband

Disclosed balance after: 1,109

Underlying: Common Stock · 1,109 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, 2018. The vested shares will be issued to the reporting person's husband 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, 2018. The vested shares will be issued to the reporting person's husband 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, 2018. The vested shares will be issued to the reporting person's husband 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, 2018. The vested shares will be issued to the reporting person's husband on the vesting dates, at which time all restrictions on the vested shares will lapse.

F3 · ownership.direct: The reporting person's husband is also employed by the issuer, purchases the issuers's common stock through the issuer's Employee Stock Purchase Plan, and receives grants of restricted stock units and performance share awards.

SEC source: 0000893538-19-000073 · wf-form4_156209964386339.xml · derivative · entry 19

Lutey Mary Ellen · CIK 0001563908 · Sr. VP & Regional Manager

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,647

Underlying: Common Stock · 2,647 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, 2018. 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, 2018. 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, 2018. 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, 2018. 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: 0000893538-19-000073 · wf-form4_156209964386339.xml · derivative · entry 18

Lutey Mary Ellen · CIK 0001563908 · Sr. VP & Regional Manager

10b5-1 filing: Not disclosed

Ownership: Indirect · By husband

Disclosed balance after: 0

Underlying: Common Stock · 535 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 annual installments beginning on July 1, 2017. The vested shares were issued to the reporting person's husband 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 annual installments beginning on July 1, 2017. The vested shares were issued to the reporting person's husband 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 annual installments beginning on July 1, 2017. The vested shares were issued to the reporting person's husband 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 annual installments beginning on July 1, 2017. The vested shares were issued to the reporting person's husband on the vesting dates, at which time all restrictions on the vested shares lapsed.

F3 · ownership.direct: The reporting person's husband is also employed by the issuer, purchases the issuers's common stock through the issuer's Employee Stock Purchase Plan, and receives grants of restricted stock units and performance share awards.

SEC source: 0000893538-19-000073 · wf-form4_156209964386339.xml · derivative · entry 17

Lutey Mary Ellen · CIK 0001563908 · Sr. VP & Regional Manager

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,009 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 annual installments beginning on July 1, 2017. 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 annual installments beginning on July 1, 2017. 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 annual installments beginning on July 1, 2017. 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 annual installments beginning on July 1, 2017. 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: 0000893538-19-000073 · wf-form4_156209964386339.xml · nonDerivative · entry 16

Lutey Mary Ellen · CIK 0001563908 · Sr. VP & Regional Manager

10b5-1 filing: Not disclosed

Ownership: Indirect · By husband

Disclosed balance after: 21,497

F3 · ownership.direct: The reporting person's husband is also employed by the issuer, purchases the issuers's common stock through the issuer's Employee Stock Purchase Plan, and receives grants of restricted stock units and performance share awards.

SEC source: 0000893538-19-000073 · wf-form4_156209964386339.xml · nonDerivative · entry 15

Lutey Mary Ellen · CIK 0001563908 · Sr. VP & Regional Manager

10b5-1 filing: Not disclosed

Ownership: Indirect · By husband

Disclosed balance after: 21,782

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, 2019. The vested shares will be issued to the reporting person's husband on the vesting dates, at which time all restrictions on the vested shares will lapse.

F3 · ownership.direct: The reporting person's husband is also employed by the issuer, purchases the issuers's common stock through the issuer's Employee Stock Purchase Plan, and receives grants of restricted stock units and performance share awards.

SEC source: 0000893538-19-000073 · wf-form4_156209964386339.xml · nonDerivative · entry 14

Lutey Mary Ellen · CIK 0001563908 · Sr. VP & Regional Manager

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,143

SEC source: 0000893538-19-000073 · wf-form4_156209964386339.xml · nonDerivative · entry 13

Lutey Mary Ellen · CIK 0001563908 · Sr. VP & Regional Manager

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,558

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 July 1, 2019. 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: 0000893538-19-000073 · wf-form4_156209964386339.xml · nonDerivative · entry 12

Lutey Mary Ellen · CIK 0001563908 · Sr. VP & Regional Manager

10b5-1 filing: Not disclosed

Ownership: Indirect · By husband

Disclosed balance after: 20,615

F3 · ownership.direct: The reporting person's husband is also employed by the issuer, purchases the issuers's common stock through the issuer's Employee Stock Purchase Plan, and receives grants of restricted stock units and performance share awards.

SEC source: 0000893538-19-000073 · wf-form4_156209964386339.xml · nonDerivative · entry 11

Lutey Mary Ellen · CIK 0001563908 · Sr. VP & Regional Manager

10b5-1 filing: Not disclosed

Ownership: Indirect · By husband

Disclosed balance after: 20,886

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, 2018. The vested shares will be issued to the reporting person's husband on the vesting dates, at which time all restrictions on the vested shares will lapse.

F3 · ownership.direct: The reporting person's husband is also employed by the issuer, purchases the issuers's common stock through the issuer's Employee Stock Purchase Plan, and receives grants of restricted stock units and performance share awards.

SEC source: 0000893538-19-000073 · wf-form4_156209964386339.xml · nonDerivative · entry 10

Lutey Mary Ellen · CIK 0001563908 · Sr. VP & Regional Manager

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,855

SEC source: 0000893538-19-000073 · wf-form4_156209964386339.xml · nonDerivative · entry 9

Lutey Mary Ellen · CIK 0001563908 · Sr. VP & Regional Manager

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,500

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, 2018. 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.