CENX

SEC source: 0000949157-24-000010 · wk-form4_1704319955.xml · nonDerivative · entry 2

Gudlaugsson Gunnar · CIK 0001846594 · EVP - Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,347

F2 · shares: Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of PSUs granted to the Reporting Person.

SEC source: 0000949157-24-000010 · wk-form4_1704319955.xml · nonDerivative · entry 1

Gudlaugsson Gunnar · CIK 0001846594 · EVP - Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,239

F1 · shares: Represents shares of common stock acquired by the Reporting Person upon the vesting of PSUs granted in connection with the Issuer's 2021-2023 Long-Term Incentive Plan under Rule 16b-3(d).

SEC source: 0000949157-24-000008 · wk-form4_1704319490.xml · nonDerivative · entry 3

Hoffman Robert F · CIK 0001603836 · VP, IT and CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,384

F3 · shares: Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of TVSUs previously granted to the Reporting Person on January 2, 2021.

SEC source: 0000949157-24-000008 · wk-form4_1704319490.xml · nonDerivative · entry 2

Hoffman Robert F · CIK 0001603836 · VP, IT and CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,903

F2 · shares: Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of PSUs granted to the Reporting Person.

SEC source: 0000949157-24-000008 · wk-form4_1704319490.xml · nonDerivative · entry 1

Hoffman Robert F · CIK 0001603836 · VP, IT and CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,978

F1 · shares: Represents shares of common stock acquired by the Reporting Person upon the vesting of PSUs granted in connection with the Issuer's 2021-2023 Long-Term Incentive Plan under Rule 16b-3(d).

SEC source: 0000949157-24-000004 · wk-form4_1704318648.xml · nonDerivative · entry 3

Aboud Matt · CIK 0001863408 · SVP, Strategy & Business Dev't

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,635

F3 · shares: Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of TVSUs previously granted to the Reporting Person on June 14, 2021.

SEC source: 0000949157-24-000004 · wk-form4_1704318648.xml · nonDerivative · entry 2

Aboud Matt · CIK 0001863408 · SVP, Strategy & Business Dev't

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,804

F2 · shares: Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of PSUs granted to the Reporting Person.

SEC source: 0000949157-24-000004 · wk-form4_1704318648.xml · nonDerivative · entry 1

Aboud Matt · CIK 0001863408 · SVP, Strategy & Business Dev't

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,730

F1 · shares: Represents shares of common stock acquired by the Reporting Person upon the vesting of PSUs granted in connection with the Issuer's 2021-2023 Long-Term Incentive Plan under Rule 16b-3(d).

SEC source: 0001104659-24-000657 · tm241748-1_4seq1.xml · derivative · entry 3

GLENCORE INTERNATIONAL AG · CIK 0001032383 · 10% owner

Glencore AG · CIK 0001449539 · 10% owner

Glencore plc · CIK 0001521365 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 52,284.39

Underlying: Common Stock · 122,393 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F2 · price: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F2 · derivative.exercise_date: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F2 · derivative.expiration_date: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F3 · ownership.nature: The shares of Common Stock reported in Line 1 of Table I and the shares of Series A Convertible Preferred Stock reported in Table II are held directly by Glencore AG, a direct wholly-owned subsidiary of Glencore International AG, and may be deemed to be indirectly beneficially owned by Glencore International AG. The Common Stock reported on Line 2 of Table I is held directly by Glencore International AG. Glencore International AG is wholly owned by Glencore plc, which may be deemed an indirect beneficial owner of the securities held by Glencore AG and Glencore International AG.

SEC source: 0001104659-24-000657 · tm241748-1_4seq1.xml · nonDerivative · entry 1

GLENCORE INTERNATIONAL AG · CIK 0001032383 · 10% owner

Glencore AG · CIK 0001449539 · 10% owner

Glencore plc · CIK 0001521365 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 12,277,508

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

F1 · price: Represents shares of Common Stock acquired upon conversion of 1,223.93 shares of Series A Convertible Preferred Stock on December 31, 2023.

F2 · price: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F3 · ownership.nature: The shares of Common Stock reported in Line 1 of Table I and the shares of Series A Convertible Preferred Stock reported in Table II are held directly by Glencore AG, a direct wholly-owned subsidiary of Glencore International AG, and may be deemed to be indirectly beneficially owned by Glencore International AG. The Common Stock reported on Line 2 of Table I is held directly by Glencore International AG. Glencore International AG is wholly owned by Glencore plc, which may be deemed an indirect beneficial owner of the securities held by Glencore AG and Glencore International AG.

SEC source: 0000949157-24-000002 · wk-form4_1704232539.xml · nonDerivative · entry 1

Trpkovski Peter A · CIK 0001980271 · SVP, Finance and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,998

SEC source: 0000949157-23-000078 · wk-form4_1703803513.xml · nonDerivative · entry 6

Gary Jesse E · CIK 0001568817 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 76,443

F5 · price: The price reported above reflects the weighted average sale price for the shares which were sold in multiple transactions at prices ranging from $12.42 to $12.80, inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the specific number of shares and prices at which the transactions were effected.

F3 · balance_after: Shares held in a self-settled, revocable trust for which the Reporting Person serves as trustee.

SEC source: 0000949157-23-000078 · wk-form4_1703803513.xml · nonDerivative · entry 5

Gary Jesse E · CIK 0001568817 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 144,605

F4 · price: The price reported above reflects the weighted average sale price for the shares which were sold in multiple transactions at prices ranging from $12.46 to $12.74, inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the specific number of shares and prices at which the transactions were effected.

F3 · balance_after: Shares held in a self-settled, revocable trust for which the Reporting Person serves as trustee.

SEC source: 0000949157-23-000076 · wk-form4_1703292932.xml · nonDerivative · entry 2

Hoffman Robert F · CIK 0001603836 · VP, IT and CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,553

F2 · price: The price reported above reflects the weighted average sale price for the shares, which were sold in multiple transactions at prices ranging $11.95 to $12.25, inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the specific number of shares and prices at which the transactions were effected.

F3 · balance_after: Includes unvested RSUs granted to the Reporting Person pursuant to the Issuer's 2021-2023, 2022-2024 and 2023-2025 Long-Term Incentive Plans under Rule 16b-3(d).

SEC source: 0000949157-23-000076 · wk-form4_1703292932.xml · nonDerivative · entry 1

Hoffman Robert F · CIK 0001603836 · VP, IT and CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,553

F1 · price: The price reported above reflects the weighted average sale price for the shares, which were sold in multiple transactions at prices ranging $11.97 to $12.10, inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the specific number of shares and prices at which the transactions were effected.

SEC source: 0001104659-23-105760 · tm2327230-1_4seq1.xml · derivative · entry 3

GLENCORE INTERNATIONAL AG · CIK 0001032383 · 10% owner

Glencore AG · CIK 0001449539 · 10% owner

Glencore plc · CIK 0001521365 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 53,508.32

Underlying: Common Stock · 19,790 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F2 · price: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F2 · derivative.exercise_date: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F2 · derivative.expiration_date: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F3 · ownership.nature: The shares of Common Stock reported in Line 1 of Table I and the shares of Series A Convertible Preferred Stock reported in Table II are held directly by Glencore AG, a direct wholly-owned subsidiary of Glencore International AG, and may be deemed to be indirectly beneficially owned by Glencore International AG. The Common Stock reported on Line 2 of Table I is held directly by Glencore International AG. Glencore International AG is wholly owned by Glencore plc, which may be deemed an indirect beneficial owner of the securities held by Glencore AG and Glencore International AG.

SEC source: 0001104659-23-105760 · tm2327230-1_4seq1.xml · nonDerivative · entry 1

GLENCORE INTERNATIONAL AG · CIK 0001032383 · 10% owner

Glencore AG · CIK 0001449539 · 10% owner

Glencore plc · CIK 0001521365 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 12,155,115

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

F1 · price: Represents shares of Common Stock acquired upon conversion of 197.90 shares of Series A Convertible Preferred Stock on September 30, 2023.

F2 · price: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F3 · ownership.nature: The shares of Common Stock reported in Line 1 of Table I and the shares of Series A Convertible Preferred Stock reported in Table II are held directly by Glencore AG, a direct wholly-owned subsidiary of Glencore International AG, and may be deemed to be indirectly beneficially owned by Glencore International AG. The Common Stock reported on Line 2 of Table I is held directly by Glencore International AG. Glencore International AG is wholly owned by Glencore plc, which may be deemed an indirect beneficial owner of the securities held by Glencore AG and Glencore International AG.

SEC source: 0000949157-23-000078 · wk-form4_1703803513.xml · nonDerivative · entry 4

Gary Jesse E · CIK 0001568817 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 214,605

F1 · shares: Represents shares transferred by the Reporting Person to a self-settled, revocable trust for estate planning purposes for which the Reporting Person serves as trustee.

F3 · balance_after: Shares held in a self-settled, revocable trust for which the Reporting Person serves as trustee.

SEC source: 0000949157-23-000078 · wk-form4_1703803513.xml · nonDerivative · entry 3

Gary Jesse E · CIK 0001568817 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 276,268

F1 · shares: Represents shares transferred by the Reporting Person to a self-settled, revocable trust for estate planning purposes for which the Reporting Person serves as trustee.

F2 · balance_after: Includes unvested TVSUs granted to the Reporting Person under the Issuer's Long-Term Incentive Plans.

SEC source: 0000949157-23-000057 · wk-form4_1688426135.xml · nonDerivative · entry 1

Gary Jesse E · CIK 0001568817 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 426,473

F1 · shares: Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of Time Vested Stock Units (TVSUs) previously granted to the Reporting Person on July 1, 2021.

F2 · balance_after: Includes TVSUs granted to the Reporting Person under the Issuer's Long-Term Incentive Plans.

SEC source: 0001104659-23-077837 · tm2320564-1_4seq1.xml · derivative · entry 3

GLENCORE INTERNATIONAL AG · CIK 0001032383 · 10% owner

Glencore AG · CIK 0001449539 · 10% owner

Glencore plc · CIK 0001521365 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 53,706.22

Underlying: Common Stock · 14,836 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F2 · price: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F2 · derivative.exercise_date: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F2 · derivative.expiration_date: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F3 · ownership.nature: The shares of Common Stock reported in Line 1 of Table I and the shares of Series A Convertible Preferred Stock reported in Table II are held directly by Glencore AG, a direct wholly-owned subsidiary of Glencore International AG, and may be deemed to be indirectly beneficially owned by Glencore International AG. The Common Stock reported on Line 2 of Table I is held directly by Glencore International AG. Glencore International AG is wholly owned by Glencore plc, which may be deemed an indirect beneficial owner of the securities held by Glencore AG and Glencore International AG.

SEC source: 0001104659-23-077837 · tm2320564-1_4seq1.xml · nonDerivative · entry 1

GLENCORE INTERNATIONAL AG · CIK 0001032383 · 10% owner

Glencore AG · CIK 0001449539 · 10% owner

Glencore plc · CIK 0001521365 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 12,135,325

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

F1 · price: Represents shares of Common Stock acquired upon conversion of 148.36 shares of Series A Convertible Preferred Stock on June 30, 2023.

F2 · price: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F3 · ownership.nature: The shares of Common Stock reported in Line 1 of Table I and the shares of Series A Convertible Preferred Stock reported in Table II are held directly by Glencore AG, a direct wholly-owned subsidiary of Glencore International AG, and may be deemed to be indirectly beneficially owned by Glencore International AG. The Common Stock reported on Line 2 of Table I is held directly by Glencore International AG. Glencore International AG is wholly owned by Glencore plc, which may be deemed an indirect beneficial owner of the securities held by Glencore AG and Glencore International AG.

SEC source: 0000949157-23-000043 · wk-form4_1686173317.xml · nonDerivative · entry 1

Bush Jennifer Mary · CIK 0001897517 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,024

F1 · shares: Represents annual grant of time-vesting share units ("TVSUs"), all of which vest in full on the earlier of (i) the 12-month anniversary of the grant date, (ii) the date of the Issuer?s next regular annual meeting of stockholders, or (iii) the occurrence of certain other events in accordance with the terms of the award. Settlement of the TVSUs has been deferred until the termination of the Reporting Person's service as a director of the Company.

F2 · balance_after: Includes shares of common stock issuable pursuant to vested TVSUs, the settlement of which have been deferred pursuant to an annual deferral election previously made by the Reporting Person.

SEC source: 0000949157-23-000051 · wk-form4_1686178216.xml · nonDerivative · entry 1

Olivier Tamla A · CIK 0001980269 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,825

F1 · shares: Represents annual grant of time-vesting share units ("TVSUs"), all of which vest in full on the earlier of (i) the 12-month anniversary of the grant date, (ii) the date of the Issuer's next regular annual meeting of stockholders, or (iii) the occurrence of certain other events in accordance with the terms of the award.

SEC source: 0000949157-23-000049 · wk-form4_1686177763.xml · nonDerivative · entry 2

Michelmore Andrew G · CIK 0001493775 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78,695

F2 · shares: Represents shares withheld by the Issuer upon vesting of the TVSUs to satisfy tax obligations.

SEC source: 0000949157-23-000049 · wk-form4_1686177763.xml · nonDerivative · entry 1

Michelmore Andrew G · CIK 0001493775 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 83,143

F1 · shares: Represents annual grant of time-vesting share units ("TVSUs"), all of which vested on the date of grant.

SEC source: 0000949157-23-000047 · wk-form4_1686175085.xml · nonDerivative · entry 1

GLASSER ERROL · CIK 0001203889 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,849

F1 · shares: Represents annual grant of time-vesting share units ("TVSUs"), all of which vest in full on the earlier of (i) the 12-month anniversary of the grant date, (ii) the date of the Issuer's next regular annual meeting of stockholders, or (iii) the occurrence of certain other events in accordance with the terms of the award. Settlement of the TVSUs has been deferred until the termination of the Reporting Person's service as a director of the Company.

F2 · balance_after: Includes shares of common stock issuable pursuant to vested TVSUs, the settlement of which have been deferred pursuant to an annual deferral election previously made by the Reporting Person.

SEC source: 0000949157-23-000045 · wk-form4_1686173744.xml · nonDerivative · entry 1

Berntzen Jarl · CIK 0001355035 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 194,103

F1 · shares: Represents annual grant of time-vesting share units ("TVSUs"), all of which vest in full on the earlier of (i) the 12-month anniversary of the grant date, (ii) the date of the Issuer?s next regular annual meeting of stockholders, or (iii) the occurrence of certain other events in accordance with the terms of the award.

F2 · balance_after: Includes shares of common stock issuable pursuant to vested TVSUs, the settlement of which have been deferred pursuant to an annual deferral election previously made by the Reporting Person.

SEC source: 0000949157-23-000038 · wf-form4_168418232425837.xml · nonDerivative · entry 1

Aboud Matt · CIK 0001863408 · SVP, Strategy & Business Dev't

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,678

SEC source: 0000949157-23-000057 · wk-form4_1688426135.xml · nonDerivative · entry 3

Gary Jesse E · CIK 0001568817 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 144,408

F3 · shares: Represents shares transferred by the Reporting Person to a self-settled, revocable trust for estate planning purposes for which the Reporting Person serves as trustee.

F4 · balance_after: Shares held in a self-settled, revocable trust for which the Reporting Person serves as trustee.

SEC source: 0000949157-23-000057 · wk-form4_1688426135.xml · nonDerivative · entry 2

Gary Jesse E · CIK 0001568817 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 346,465

F3 · shares: Represents shares transferred by the Reporting Person to a self-settled, revocable trust for estate planning purposes for which the Reporting Person serves as trustee.

F2 · balance_after: Includes TVSUs granted to the Reporting Person under the Issuer's Long-Term Incentive Plans.

SEC source: 0000949157-23-000015 · wf-form4_167287212566837.xml · nonDerivative · entry 4

Harrison Michelle · CIK 0001365895 · Sr. VP Finance & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,947

F4 · shares: Represents RSUs granted to the Reporting Person in connection with the Issuer's 2023-2025 Long-Term Incentive Plan under Rule 16b-3(d), all of which will vest on December 31, 2025, subject to the Plan's terms and conditions.

F5 · balance_after: Includes unvested RSUs granted to the Reporting Person pursuant to Issuer's 2021-2023, 2022-2024 and 2023-2025 Long-Term Incentive Plans under Rule 16b-3(d).

SEC source: 0000949157-23-000014 · wf-form4_167287200019993.xml · nonDerivative · entry 4

Gary Jesse E · CIK 0001568817 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 447,410

F4 · shares: Represents RSUs granted to the Reporting Person in connection with the Issuer's 2023-2025 Long-Term Incentive Plan under Rule 16b-3(d), all of which will vest on December 31, 2025, subject to the Plan's terms and conditions.

F5 · balance_after: Includes unvested RSUs granted to the Reporting Person pursuant to Issuer's 2021-2023, 2022-2024 and 2023-2025 Long-Term Incentive Plans under Rule 16b-3(d).

SEC source: 0000949157-23-000013 · wf-form4_167287175101232.xml · nonDerivative · entry 4

Hoffman Robert F · CIK 0001603836 · VP, IT and CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,553

F4 · shares: Represents RSUs granted to the Reporting Person in connection with the Issuer's 2023-2025 Long-Term Incentive Plan under Rule 16b-3(d), all of which will vest on December 31, 2025, subject to the Plan's terms and conditions.

F5 · balance_after: Includes unvested RSUs granted to the Reporting Person pursuant to Issuer's 2021-2023, 2022-2024 and 2023-2025 Long-Term Incentive Plans under Rule 16b-3(d).

SEC source: 0000949157-23-000012 · wf-form4_167287161734813.xml · nonDerivative · entry 4

DeZee John · CIK 0001863198 · EVP, GC and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,094

F4 · shares: Represents RSUs granted to the Reporting Person in connection with the Issuer's 2023-2025 Long-Term Incentive Plan under Rule 16b-3(d), all of which will vest on December 31, 2025, subject to the Plan's terms and conditions.

F5 · balance_after: Includes unvested RSUs granted to the Reporting Person pursuant to Issuer's 2021-2023, 2022-2024 and 2023-2025 Long-Term Incentive Plans under Rule 16b-3(d).

SEC source: 0000949157-23-000011 · wf-form4_167287147249694.xml · nonDerivative · entry 4

Gudlaugsson Gunnar · CIK 0001846594 · EVP - Global Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 84,518

F4 · shares: Represents RSUs granted to the Reporting Person in connection with the Issuer's 2023-2025 Long-Term Incentive Plan under Rule 16b-3(d), all of which will vest on December 31, 2025, subject to the Plan's terms and conditions.

F5 · balance_after: Includes unvested RSUs granted to the Reporting Person pursuant to Issuer's 2021-2023, 2022-2024 and 2023-2025 Long-Term Incentive Plans under Rule 16b-3(d).

SEC source: 0000949157-23-000010 · wf-form4_167287120718986.xml · nonDerivative · entry 1

Bialek Gerald C · CIK 0001820256 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,112

F1 · shares: Represents RSUs granted to the Reporting Person in connection with the Issuer's 2023-2025 Long-Term Incentive Plan under Rule 16b-3(d), all of which will vest on December 31, 2025, subject to the Plan's terms and conditions.

F2 · balance_after: Includes 8,575 unvested RSUs granted in connection with the Reporting Person's hire, which vest on August 22, 2025.

SEC source: 0000949157-23-000009 · wf-form4_167287097001434.xml · nonDerivative · entry 1

Aboud Matt · CIK 0001863408 · SVP, Strategy & Business Dev't

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,678

F1 · shares: Represents RSUs granted to the Reporting Person in connection with the Issuer's 2023-2025 Long-Term Incentive Plan under Rule 16b-3(d), all of which will vest on December 31, 2025, subject to the Plan's terms and conditions.

F2 · balance_after: Includes unvested RSUs granted to the Reporting Person pursuant to Issuer's 2021-2023, 2022-2024 and 2023-2025 Long-Term Incentive Plans under Rule 16b-3(d).

SEC source: 0001104659-23-000701 · tm231615-1_4seq1.xml · derivative · entry 3

GLENCORE INTERNATIONAL AG · CIK 0001032383 · 10% owner

Glencore AG · CIK 0001449539 · 10% owner

Glencore plc · CIK 0001521365 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 53,854.58

Underlying: Common Stock · 419,168 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.

F2 · derivative.exercise_price: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F2 · price: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F2 · derivative.exercise_date: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F2 · derivative.expiration_date: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F3 · ownership.nature: The shares of Common Stock reported in Line 1 of Table I and the shares of Series A Convertible Preferred Stock reported in Table II are held directly by Glencore AG, a direct wholly-owned subsidiary of Glencore International AG, and may be deemed to be indirectly beneficially owned by Glencore International AG. The Common Stock reported on Line 2 of Table I is held directly by Glencore International AG. Glencore International AG is wholly owned by Glencore plc, which may be deemed an indirect beneficial owner of the securities held by Glencore AG and Glencore International AG.

SEC source: 0001104659-23-000701 · tm231615-1_4seq1.xml · nonDerivative · entry 1

GLENCORE INTERNATIONAL AG · CIK 0001032383 · 10% owner

Glencore AG · CIK 0001449539 · 10% owner

Glencore plc · CIK 0001521365 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 12,120,489

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

F1 · price: Represents shares of Common Stock acquired upon conversion of 4,191.68 shares of Series A Convertible Preferred Stock on December 31, 2022.

F2 · price: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F3 · ownership.nature: The shares of Common Stock reported in Line 1 of Table I and the shares of Series A Convertible Preferred Stock reported in Table II are held directly by Glencore AG, a direct wholly-owned subsidiary of Glencore International AG, and may be deemed to be indirectly beneficially owned by Glencore International AG. The Common Stock reported on Line 2 of Table I is held directly by Glencore International AG. Glencore International AG is wholly owned by Glencore plc, which may be deemed an indirect beneficial owner of the securities held by Glencore AG and Glencore International AG.

SEC source: 0000949157-23-000015 · wf-form4_167287212566837.xml · nonDerivative · entry 3

Harrison Michelle · CIK 0001365895 · Sr. VP Finance & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,383

F3 · shares: Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of Restricted Stock Units (RSUs) previously granted to the Reporting Person on January 2, 2020.

SEC source: 0000949157-23-000015 · wf-form4_167287212566837.xml · nonDerivative · entry 2

Harrison Michelle · CIK 0001365895 · Sr. VP Finance & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,874

F2 · shares: Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of PSUs granted to the Reporting Person.

SEC source: 0000949157-23-000015 · wf-form4_167287212566837.xml · nonDerivative · entry 1

Harrison Michelle · CIK 0001365895 · Sr. VP Finance & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 77,685

F1 · shares: Represents shares of common stock acquired by the Reporting Person upon the vesting of Performance Share Units (PSUs) granted in connection with the Issuer's 2020-2022 Long-Term Incentive Plan under Rule 16b-3(d).

SEC source: 0000949157-23-000014 · wf-form4_167287200019993.xml · nonDerivative · entry 3

Gary Jesse E · CIK 0001568817 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 301,047

F3 · shares: Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of Restricted Stock Units (RSUs) previously granted to the Reporting Person on January 2, 2020.

SEC source: 0000949157-23-000014 · wf-form4_167287200019993.xml · nonDerivative · entry 2

Gary Jesse E · CIK 0001568817 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 328,788

F2 · shares: Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of PSUs granted to the Reporting Person.

SEC source: 0000949157-23-000014 · wf-form4_167287200019993.xml · nonDerivative · entry 1

Gary Jesse E · CIK 0001568817 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 364,683

F1 · shares: Represents shares of common stock acquired by the Reporting Person upon the vesting of Performance Share Units (PSUs) granted in connection with the Issuer's 2020-2022 Long-Term Incentive Plan under Rule 16b-3(d).

SEC source: 0000949157-23-000013 · wf-form4_167287175101232.xml · nonDerivative · entry 3

Hoffman Robert F · CIK 0001603836 · VP, IT and CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,728

F3 · shares: Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of Restricted Stock Units (RSUs) previously granted to the Reporting Person on January 2, 2020.

SEC source: 0000949157-23-000013 · wf-form4_167287175101232.xml · nonDerivative · entry 2

Hoffman Robert F · CIK 0001603836 · VP, IT and CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,473

F2 · shares: Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of PSUs granted to the Reporting Person.

SEC source: 0000949157-23-000013 · wf-form4_167287175101232.xml · nonDerivative · entry 1

Hoffman Robert F · CIK 0001603836 · VP, IT and CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,319

F1 · shares: Represents shares of common stock acquired by the Reporting Person upon the vesting of Performance Share Units (PSUs) granted in connection with the Issuer's 2020-2022 Long-Term Incentive Plan under Rule 16b-3(d).

SEC source: 0000949157-23-000012 · wf-form4_167287161734813.xml · nonDerivative · entry 3

DeZee John · CIK 0001863198 · EVP, GC and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,073

F3 · shares: Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of Restricted Stock Units (RSUs) previously granted to the Reporting Person on January 2, 2020.