Givolon Ltd

SEC source: 0001104659-22-127498 · tm2232820-1_4seq1.xml · derivative · entry 4

Ryfold Ltd · CIK 0001716574 · 10% owner

Givolon Ltd · CIK 0001716572 · 10% owner

Ryfold Trust · CIK 0001716570 · 10% owner

Ocorian Ltd · CIK 0001716591 · 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: 0

Underlying: Common Stock · 27,500,000 shares

Expires 2027-09-14

F4 · derivative.exercise_price: The 2017 Transactions additionally included (i) Ryfold's purchase from Glencore AG of 100% of the equity interest in Givolon for an aggregate price of $100, and (ii) the acquisition by Glencore AG from Ryfold, for aggregate premium of $100, of the American-style call option reported on Line 3 of Table II, which gives Glencore AG the right to purchase from Ryfold, at any time prior to the expiration thereof, 100% of the equity interests in Givolon for an aggregate exercise price of $100 (the "Givolon Call Option").

F1 · kind: On September 14, 2017, Ryfold Limited ("Ryfold") and Givolon Limited, currently a wholly-owned subsidiary of Ryfold ("Givolon"), entered into a series of transactions (the "2017 Transactions") with Glencore AG in connection with a financing (the "Financing") to be secured by a pledge by Givolon of 27,500,000 shares of Common Stock (the "Specified Shares").

F2 · kind: The 2017 Transactions included (i) Givolon's purchase from Glencore AG of the Specified Shares at a per share price of $18.03075, and (ii) the acquisition by Glencore AG from Givolon, for a premium of $15.32613 per share, of the American-style call option reported on Line 1 of Table II, which gives Glencore AG the right to purchase from Givolon, at any time prior to the expiration thereof, a number of shares of Common Stock equal to the Specified Shares at a price equal to $2.70462 per share of Common Stock (the "Century Call Option").

F3 · kind: The 2017 Transactions also included the stock-settled total return swap reported on Line 2 of Table II, which will automatically terminate if the Century Call Option is exercised, pursuant to which Glencore AG received economic exposure to a number of shares of Common Stock equal to the Specified Shares and upon settlement of which Givolon will be obligated to deliver a number of shares equal to the Specified Shares to Glencore AG and Glencore AG will be obligated to pay to Givolon the reference price of $18.03075 per share (the "Century TRS").

F4 · kind: The 2017 Transactions additionally included (i) Ryfold's purchase from Glencore AG of 100% of the equity interest in Givolon for an aggregate price of $100, and (ii) the acquisition by Glencore AG from Ryfold, for aggregate premium of $100, of the American-style call option reported on Line 3 of Table II, which gives Glencore AG the right to purchase from Ryfold, at any time prior to the expiration thereof, 100% of the equity interests in Givolon for an aggregate exercise price of $100 (the "Givolon Call Option").

F5 · kind: In connection with the termination of the Financing and the related pledge, on December 15, 2022 Glencore AG, Givolon and Ryfold terminated and cancelled the 2017 Transactions, including the Century Call Option, the Century TRS and the Givolon Call Option, and Givolon transferred the Specified Shares to Glencore AG's parent, Glencore International AG.

F5 · price: In connection with the termination of the Financing and the related pledge, on December 15, 2022 Glencore AG, Givolon and Ryfold terminated and cancelled the 2017 Transactions, including the Century Call Option, the Century TRS and the Givolon Call Option, and Givolon transferred the Specified Shares to Glencore AG's parent, Glencore International AG.

F4 · derivative.underlying_shares: The 2017 Transactions additionally included (i) Ryfold's purchase from Glencore AG of 100% of the equity interest in Givolon for an aggregate price of $100, and (ii) the acquisition by Glencore AG from Ryfold, for aggregate premium of $100, of the American-style call option reported on Line 3 of Table II, which gives Glencore AG the right to purchase from Ryfold, at any time prior to the expiration thereof, 100% of the equity interests in Givolon for an aggregate exercise price of $100 (the "Givolon Call Option").

F6 · derivative.underlying_shares: The Common Stock reported in Table I and the Century Call Option and Century TRS reported on Lines 1 and 2 of Table II are held directly by Givolon, a wholly owned subsidiary of Ryfold, and indirectly by Ryfold. The Givolon Call Option reported on Line 3 of Table II is held directly by Ryfold, and represent an indirect beneficial ownership in the indicated number of shares of Common Stock due to Givolon's ownership of an equivalent number of shares.

F6 · ownership.nature: The Common Stock reported in Table I and the Century Call Option and Century TRS reported on Lines 1 and 2 of Table II are held directly by Givolon, a wholly owned subsidiary of Ryfold, and indirectly by Ryfold. The Givolon Call Option reported on Line 3 of Table II is held directly by Ryfold, and represent an indirect beneficial ownership in the indicated number of shares of Common Stock due to Givolon's ownership of an equivalent number of shares.

F7 · ownership.nature: Ryfold is wholly owned by The Ryfold Trust. The Ryfold Trust, together with Ocorian Limited, formerly known as Estera Trust (Jersey) Limited ("Ocorian"), solely in its capacity as trustee of The Ryfold Trust, may be deemed indirect beneficial owners of the securities held by Givolon and Ryfold. Ocorian does not have and disclaims any pecuniary interest in such securities.

SEC source: 0001104659-22-127498 · tm2232820-1_4seq1.xml · derivative · entry 3

Ryfold Ltd · CIK 0001716574 · 10% owner

Givolon Ltd · CIK 0001716572 · 10% owner

Ryfold Trust · CIK 0001716570 · 10% owner

Ocorian Ltd · CIK 0001716591 · 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: 0

Underlying: Common Stock · 27,500,000 shares

Expires 2022-12-31

F3 · derivative.exercise_price: The 2017 Transactions also included the stock-settled total return swap reported on Line 2 of Table II, which will automatically terminate if the Century Call Option is exercised, pursuant to which Glencore AG received economic exposure to a number of shares of Common Stock equal to the Specified Shares and upon settlement of which Givolon will be obligated to deliver a number of shares equal to the Specified Shares to Glencore AG and Glencore AG will be obligated to pay to Givolon the reference price of $18.03075 per share (the "Century TRS").

F1 · kind: On September 14, 2017, Ryfold Limited ("Ryfold") and Givolon Limited, currently a wholly-owned subsidiary of Ryfold ("Givolon"), entered into a series of transactions (the "2017 Transactions") with Glencore AG in connection with a financing (the "Financing") to be secured by a pledge by Givolon of 27,500,000 shares of Common Stock (the "Specified Shares").

F2 · kind: The 2017 Transactions included (i) Givolon's purchase from Glencore AG of the Specified Shares at a per share price of $18.03075, and (ii) the acquisition by Glencore AG from Givolon, for a premium of $15.32613 per share, of the American-style call option reported on Line 1 of Table II, which gives Glencore AG the right to purchase from Givolon, at any time prior to the expiration thereof, a number of shares of Common Stock equal to the Specified Shares at a price equal to $2.70462 per share of Common Stock (the "Century Call Option").

F3 · kind: The 2017 Transactions also included the stock-settled total return swap reported on Line 2 of Table II, which will automatically terminate if the Century Call Option is exercised, pursuant to which Glencore AG received economic exposure to a number of shares of Common Stock equal to the Specified Shares and upon settlement of which Givolon will be obligated to deliver a number of shares equal to the Specified Shares to Glencore AG and Glencore AG will be obligated to pay to Givolon the reference price of $18.03075 per share (the "Century TRS").

F4 · kind: The 2017 Transactions additionally included (i) Ryfold's purchase from Glencore AG of 100% of the equity interest in Givolon for an aggregate price of $100, and (ii) the acquisition by Glencore AG from Ryfold, for aggregate premium of $100, of the American-style call option reported on Line 3 of Table II, which gives Glencore AG the right to purchase from Ryfold, at any time prior to the expiration thereof, 100% of the equity interests in Givolon for an aggregate exercise price of $100 (the "Givolon Call Option").

F5 · kind: In connection with the termination of the Financing and the related pledge, on December 15, 2022 Glencore AG, Givolon and Ryfold terminated and cancelled the 2017 Transactions, including the Century Call Option, the Century TRS and the Givolon Call Option, and Givolon transferred the Specified Shares to Glencore AG's parent, Glencore International AG.

F5 · price: In connection with the termination of the Financing and the related pledge, on December 15, 2022 Glencore AG, Givolon and Ryfold terminated and cancelled the 2017 Transactions, including the Century Call Option, the Century TRS and the Givolon Call Option, and Givolon transferred the Specified Shares to Glencore AG's parent, Glencore International AG.

F3 · derivative.underlying_shares: The 2017 Transactions also included the stock-settled total return swap reported on Line 2 of Table II, which will automatically terminate if the Century Call Option is exercised, pursuant to which Glencore AG received economic exposure to a number of shares of Common Stock equal to the Specified Shares and upon settlement of which Givolon will be obligated to deliver a number of shares equal to the Specified Shares to Glencore AG and Glencore AG will be obligated to pay to Givolon the reference price of $18.03075 per share (the "Century TRS").

F6 · ownership.nature: The Common Stock reported in Table I and the Century Call Option and Century TRS reported on Lines 1 and 2 of Table II are held directly by Givolon, a wholly owned subsidiary of Ryfold, and indirectly by Ryfold. The Givolon Call Option reported on Line 3 of Table II is held directly by Ryfold, and represent an indirect beneficial ownership in the indicated number of shares of Common Stock due to Givolon's ownership of an equivalent number of shares.

F7 · ownership.nature: Ryfold is wholly owned by The Ryfold Trust. The Ryfold Trust, together with Ocorian Limited, formerly known as Estera Trust (Jersey) Limited ("Ocorian"), solely in its capacity as trustee of The Ryfold Trust, may be deemed indirect beneficial owners of the securities held by Givolon and Ryfold. Ocorian does not have and disclaims any pecuniary interest in such securities.

SEC source: 0001104659-22-127498 · tm2232820-1_4seq1.xml · derivative · entry 2

Ryfold Ltd · CIK 0001716574 · 10% owner

Givolon Ltd · CIK 0001716572 · 10% owner

Ryfold Trust · CIK 0001716570 · 10% owner

Ocorian Ltd · CIK 0001716591 · 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: 0

Underlying: Common Stock · 27,500,000 shares

Expires 2022-12-31

F1 · kind: On September 14, 2017, Ryfold Limited ("Ryfold") and Givolon Limited, currently a wholly-owned subsidiary of Ryfold ("Givolon"), entered into a series of transactions (the "2017 Transactions") with Glencore AG in connection with a financing (the "Financing") to be secured by a pledge by Givolon of 27,500,000 shares of Common Stock (the "Specified Shares").

F2 · kind: The 2017 Transactions included (i) Givolon's purchase from Glencore AG of the Specified Shares at a per share price of $18.03075, and (ii) the acquisition by Glencore AG from Givolon, for a premium of $15.32613 per share, of the American-style call option reported on Line 1 of Table II, which gives Glencore AG the right to purchase from Givolon, at any time prior to the expiration thereof, a number of shares of Common Stock equal to the Specified Shares at a price equal to $2.70462 per share of Common Stock (the "Century Call Option").

F3 · kind: The 2017 Transactions also included the stock-settled total return swap reported on Line 2 of Table II, which will automatically terminate if the Century Call Option is exercised, pursuant to which Glencore AG received economic exposure to a number of shares of Common Stock equal to the Specified Shares and upon settlement of which Givolon will be obligated to deliver a number of shares equal to the Specified Shares to Glencore AG and Glencore AG will be obligated to pay to Givolon the reference price of $18.03075 per share (the "Century TRS").

F4 · kind: The 2017 Transactions additionally included (i) Ryfold's purchase from Glencore AG of 100% of the equity interest in Givolon for an aggregate price of $100, and (ii) the acquisition by Glencore AG from Ryfold, for aggregate premium of $100, of the American-style call option reported on Line 3 of Table II, which gives Glencore AG the right to purchase from Ryfold, at any time prior to the expiration thereof, 100% of the equity interests in Givolon for an aggregate exercise price of $100 (the "Givolon Call Option").

F5 · kind: In connection with the termination of the Financing and the related pledge, on December 15, 2022 Glencore AG, Givolon and Ryfold terminated and cancelled the 2017 Transactions, including the Century Call Option, the Century TRS and the Givolon Call Option, and Givolon transferred the Specified Shares to Glencore AG's parent, Glencore International AG.

F5 · price: In connection with the termination of the Financing and the related pledge, on December 15, 2022 Glencore AG, Givolon and Ryfold terminated and cancelled the 2017 Transactions, including the Century Call Option, the Century TRS and the Givolon Call Option, and Givolon transferred the Specified Shares to Glencore AG's parent, Glencore International AG.

F6 · ownership.nature: The Common Stock reported in Table I and the Century Call Option and Century TRS reported on Lines 1 and 2 of Table II are held directly by Givolon, a wholly owned subsidiary of Ryfold, and indirectly by Ryfold. The Givolon Call Option reported on Line 3 of Table II is held directly by Ryfold, and represent an indirect beneficial ownership in the indicated number of shares of Common Stock due to Givolon's ownership of an equivalent number of shares.

F7 · ownership.nature: Ryfold is wholly owned by The Ryfold Trust. The Ryfold Trust, together with Ocorian Limited, formerly known as Estera Trust (Jersey) Limited ("Ocorian"), solely in its capacity as trustee of The Ryfold Trust, may be deemed indirect beneficial owners of the securities held by Givolon and Ryfold. Ocorian does not have and disclaims any pecuniary interest in such securities.

SEC source: 0001104659-22-127498 · tm2232820-1_4seq1.xml · nonDerivative · entry 1

Ryfold Ltd · CIK 0001716574 · 10% owner

Givolon Ltd · CIK 0001716572 · 10% owner

Ryfold Trust · CIK 0001716570 · 10% owner

Ocorian Ltd · CIK 0001716591 · 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: 0

F1 · kind: On September 14, 2017, Ryfold Limited ("Ryfold") and Givolon Limited, currently a wholly-owned subsidiary of Ryfold ("Givolon"), entered into a series of transactions (the "2017 Transactions") with Glencore AG in connection with a financing (the "Financing") to be secured by a pledge by Givolon of 27,500,000 shares of Common Stock (the "Specified Shares").

F2 · kind: The 2017 Transactions included (i) Givolon's purchase from Glencore AG of the Specified Shares at a per share price of $18.03075, and (ii) the acquisition by Glencore AG from Givolon, for a premium of $15.32613 per share, of the American-style call option reported on Line 1 of Table II, which gives Glencore AG the right to purchase from Givolon, at any time prior to the expiration thereof, a number of shares of Common Stock equal to the Specified Shares at a price equal to $2.70462 per share of Common Stock (the "Century Call Option").

F3 · kind: The 2017 Transactions also included the stock-settled total return swap reported on Line 2 of Table II, which will automatically terminate if the Century Call Option is exercised, pursuant to which Glencore AG received economic exposure to a number of shares of Common Stock equal to the Specified Shares and upon settlement of which Givolon will be obligated to deliver a number of shares equal to the Specified Shares to Glencore AG and Glencore AG will be obligated to pay to Givolon the reference price of $18.03075 per share (the "Century TRS").

F4 · kind: The 2017 Transactions additionally included (i) Ryfold's purchase from Glencore AG of 100% of the equity interest in Givolon for an aggregate price of $100, and (ii) the acquisition by Glencore AG from Ryfold, for aggregate premium of $100, of the American-style call option reported on Line 3 of Table II, which gives Glencore AG the right to purchase from Ryfold, at any time prior to the expiration thereof, 100% of the equity interests in Givolon for an aggregate exercise price of $100 (the "Givolon Call Option").

F5 · kind: In connection with the termination of the Financing and the related pledge, on December 15, 2022 Glencore AG, Givolon and Ryfold terminated and cancelled the 2017 Transactions, including the Century Call Option, the Century TRS and the Givolon Call Option, and Givolon transferred the Specified Shares to Glencore AG's parent, Glencore International AG.

F5 · price: In connection with the termination of the Financing and the related pledge, on December 15, 2022 Glencore AG, Givolon and Ryfold terminated and cancelled the 2017 Transactions, including the Century Call Option, the Century TRS and the Givolon Call Option, and Givolon transferred the Specified Shares to Glencore AG's parent, Glencore International AG.

F6 · ownership.nature: The Common Stock reported in Table I and the Century Call Option and Century TRS reported on Lines 1 and 2 of Table II are held directly by Givolon, a wholly owned subsidiary of Ryfold, and indirectly by Ryfold. The Givolon Call Option reported on Line 3 of Table II is held directly by Ryfold, and represent an indirect beneficial ownership in the indicated number of shares of Common Stock due to Givolon's ownership of an equivalent number of shares.

F7 · ownership.nature: Ryfold is wholly owned by The Ryfold Trust. The Ryfold Trust, together with Ocorian Limited, formerly known as Estera Trust (Jersey) Limited ("Ocorian"), solely in its capacity as trustee of The Ryfold Trust, may be deemed indirect beneficial owners of the securities held by Givolon and Ryfold. Ocorian does not have and disclaims any pecuniary interest in such securities.

SEC source: 0001144204-17-048122 · v475135_4.xml · derivative · entry 2

Givolon Ltd · CIK 0001716572 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1

Underlying: Common Stock · 27,500,000 shares

Expires 2022-12-31

F1 · security: On September 14, 2017 (the "Effective Date"), Givolon Limited ("Givolon"), a wholly-owned subsidiary of Glencore AG at such time, purchased from Glencore AG 27,500,000 shares of common stock ("Common Stock") of Century Aluminum Company (the "Specified Shares") for the aggregate price of $495,845,625, or $18.03075 per share. Subsequently on the Effective Date, Glencore AG sold to Ryfold Limited ("Ryfold") 100% of the equity interests in Givolon for the aggregate purchase price of $100 (the "Givolon Sale").

F7 · security: Under the terms of the Century TRS and the Century Call Option, the Century TRS is scheduled to expire and settle after expiration of the Century Call Option, so that Glencore AG will acquire a number of shares equal to the Specified Shares under the Century TRS even if Glencore AG does not exercise the Century Call Option. In addition, the Century TRS will automatically terminate, with no remaining obligations on the part of either party, upon exercise of the Century Call Option. As a result, under the Century TRS and the Century Call Option, Glencore AG has the right to acquire and Givolon has the obligation to deliver to Glencore AG an aggregate number of shares equal to the Specified Shares. Givolon has granted to Glencore AG the irrevocable right to vote and to direct the voting of the Specified Shares.

F5 · derivative.exercise_price: On the Effective Date, Glencore AG and Givolon entered into a Century Call Option Confirmation pursuant to the Master Agreement, pursuant to which Glencore AG acquired an American-style call option that gives Glencore AG the right to purchase from Givolon, at any time prior to the expiration thereof, a number of shares of Common Stock equal to the Specified Shares at a price equal to $2.70462 per share of Common Stock (the "Century Call Option"). Glencore AG paid Givolon a premium of $15.32613 per share for the Century Call Option.

F6 · derivative.exercise_price: The Century Call Option is scheduled to expire on the Expiration Date, prior to the time the Century TRS is scheduled to settle.

F5 · kind: On the Effective Date, Glencore AG and Givolon entered into a Century Call Option Confirmation pursuant to the Master Agreement, pursuant to which Glencore AG acquired an American-style call option that gives Glencore AG the right to purchase from Givolon, at any time prior to the expiration thereof, a number of shares of Common Stock equal to the Specified Shares at a price equal to $2.70462 per share of Common Stock (the "Century Call Option"). Glencore AG paid Givolon a premium of $15.32613 per share for the Century Call Option.

F6 · kind: The Century Call Option is scheduled to expire on the Expiration Date, prior to the time the Century TRS is scheduled to settle.

F5 · price: On the Effective Date, Glencore AG and Givolon entered into a Century Call Option Confirmation pursuant to the Master Agreement, pursuant to which Glencore AG acquired an American-style call option that gives Glencore AG the right to purchase from Givolon, at any time prior to the expiration thereof, a number of shares of Common Stock equal to the Specified Shares at a price equal to $2.70462 per share of Common Stock (the "Century Call Option"). Glencore AG paid Givolon a premium of $15.32613 per share for the Century Call Option.

F6 · price: The Century Call Option is scheduled to expire on the Expiration Date, prior to the time the Century TRS is scheduled to settle.

F5 · derivative.exercise_date: On the Effective Date, Glencore AG and Givolon entered into a Century Call Option Confirmation pursuant to the Master Agreement, pursuant to which Glencore AG acquired an American-style call option that gives Glencore AG the right to purchase from Givolon, at any time prior to the expiration thereof, a number of shares of Common Stock equal to the Specified Shares at a price equal to $2.70462 per share of Common Stock (the "Century Call Option"). Glencore AG paid Givolon a premium of $15.32613 per share for the Century Call Option.

F6 · derivative.exercise_date: The Century Call Option is scheduled to expire on the Expiration Date, prior to the time the Century TRS is scheduled to settle.

F5 · derivative.expiration_date: On the Effective Date, Glencore AG and Givolon entered into a Century Call Option Confirmation pursuant to the Master Agreement, pursuant to which Glencore AG acquired an American-style call option that gives Glencore AG the right to purchase from Givolon, at any time prior to the expiration thereof, a number of shares of Common Stock equal to the Specified Shares at a price equal to $2.70462 per share of Common Stock (the "Century Call Option"). Glencore AG paid Givolon a premium of $15.32613 per share for the Century Call Option.

F6 · derivative.expiration_date: The Century Call Option is scheduled to expire on the Expiration Date, prior to the time the Century TRS is scheduled to settle.

F5 · derivative.underlying_shares: On the Effective Date, Glencore AG and Givolon entered into a Century Call Option Confirmation pursuant to the Master Agreement, pursuant to which Glencore AG acquired an American-style call option that gives Glencore AG the right to purchase from Givolon, at any time prior to the expiration thereof, a number of shares of Common Stock equal to the Specified Shares at a price equal to $2.70462 per share of Common Stock (the "Century Call Option"). Glencore AG paid Givolon a premium of $15.32613 per share for the Century Call Option.

F6 · derivative.underlying_shares: The Century Call Option is scheduled to expire on the Expiration Date, prior to the time the Century TRS is scheduled to settle.

F8 · ownership.direct: The Specified Shares and Givolon's interests in the Century TRS and the Century Call Option were held indirectly by each of Glencore AG (Givolon's sole shareholder), Glencore AG's parent, Glencore International AG and its parent, Glencore plc, prior to the Givolon Sale, and are held indirectly by each of Ryfold, Ryfold's parent, The Ryfold Trust, and Estera Trust (Jersey) Limited solely in its capacity as trustee of The Ryfold Trust, following the Givolon Sale.

SEC source: 0001144204-17-048122 · v475135_4.xml · derivative · entry 1

Givolon Ltd · CIK 0001716572 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1

Underlying: Common Stock · 27,500,000 shares

Expires 2022-12-31

F1 · security: On September 14, 2017 (the "Effective Date"), Givolon Limited ("Givolon"), a wholly-owned subsidiary of Glencore AG at such time, purchased from Glencore AG 27,500,000 shares of common stock ("Common Stock") of Century Aluminum Company (the "Specified Shares") for the aggregate price of $495,845,625, or $18.03075 per share. Subsequently on the Effective Date, Glencore AG sold to Ryfold Limited ("Ryfold") 100% of the equity interests in Givolon for the aggregate purchase price of $100 (the "Givolon Sale").

F7 · security: Under the terms of the Century TRS and the Century Call Option, the Century TRS is scheduled to expire and settle after expiration of the Century Call Option, so that Glencore AG will acquire a number of shares equal to the Specified Shares under the Century TRS even if Glencore AG does not exercise the Century Call Option. In addition, the Century TRS will automatically terminate, with no remaining obligations on the part of either party, upon exercise of the Century Call Option. As a result, under the Century TRS and the Century Call Option, Glencore AG has the right to acquire and Givolon has the obligation to deliver to Glencore AG an aggregate number of shares equal to the Specified Shares. Givolon has granted to Glencore AG the irrevocable right to vote and to direct the voting of the Specified Shares.

F2 · derivative.exercise_price: On the Effective Date, Glencore AG and Givolon entered into an ISDA Master Agreement in the form of the 1992 ISDA Master Agreement (Multi-currency - Cross Border) together with a related Schedule thereto (the "Master Agreement") and a related Total Return Swap Confirmation, pursuant to which Glencore AG received economic exposure to a number of shares of Common Stock equal to the Specified Shares at a reference price equal to $18.03075 per share of Common Stock, under a stock-settled total return swap (the "Century TRS").

F3 · derivative.exercise_price: The Century TRS is scheduled to expire and settle on December 31, 2022 (following expiration of the Century Call Option (defined below)) (the "Expiration Date").

F4 · derivative.exercise_price: Under the Century TRS, (i) with respect to the period of time prior to the settlement of the Century TRS, (A) Glencore AG will be obligated to pay certain fees to Givolon, and (B) Givolon will be obligated to pay to Glencore AG an amount equal to any dividends and other distributions that would have been paid by Century Aluminum Company on a number of shares equal to the Specified Shares; and (ii) at settlement of the Century TRS, (A) Givolon will be obligated to deliver a number of shares equal to the Specified Shares to Glencore AG, and (B) Glencore AG will be obligated to pay to Givolon $18.03075 for each such share.

F2 · kind: On the Effective Date, Glencore AG and Givolon entered into an ISDA Master Agreement in the form of the 1992 ISDA Master Agreement (Multi-currency - Cross Border) together with a related Schedule thereto (the "Master Agreement") and a related Total Return Swap Confirmation, pursuant to which Glencore AG received economic exposure to a number of shares of Common Stock equal to the Specified Shares at a reference price equal to $18.03075 per share of Common Stock, under a stock-settled total return swap (the "Century TRS").

F3 · kind: The Century TRS is scheduled to expire and settle on December 31, 2022 (following expiration of the Century Call Option (defined below)) (the "Expiration Date").

F4 · kind: Under the Century TRS, (i) with respect to the period of time prior to the settlement of the Century TRS, (A) Glencore AG will be obligated to pay certain fees to Givolon, and (B) Givolon will be obligated to pay to Glencore AG an amount equal to any dividends and other distributions that would have been paid by Century Aluminum Company on a number of shares equal to the Specified Shares; and (ii) at settlement of the Century TRS, (A) Givolon will be obligated to deliver a number of shares equal to the Specified Shares to Glencore AG, and (B) Glencore AG will be obligated to pay to Givolon $18.03075 for each such share.

F2 · price: On the Effective Date, Glencore AG and Givolon entered into an ISDA Master Agreement in the form of the 1992 ISDA Master Agreement (Multi-currency - Cross Border) together with a related Schedule thereto (the "Master Agreement") and a related Total Return Swap Confirmation, pursuant to which Glencore AG received economic exposure to a number of shares of Common Stock equal to the Specified Shares at a reference price equal to $18.03075 per share of Common Stock, under a stock-settled total return swap (the "Century TRS").

F3 · price: The Century TRS is scheduled to expire and settle on December 31, 2022 (following expiration of the Century Call Option (defined below)) (the "Expiration Date").

F4 · price: Under the Century TRS, (i) with respect to the period of time prior to the settlement of the Century TRS, (A) Glencore AG will be obligated to pay certain fees to Givolon, and (B) Givolon will be obligated to pay to Glencore AG an amount equal to any dividends and other distributions that would have been paid by Century Aluminum Company on a number of shares equal to the Specified Shares; and (ii) at settlement of the Century TRS, (A) Givolon will be obligated to deliver a number of shares equal to the Specified Shares to Glencore AG, and (B) Glencore AG will be obligated to pay to Givolon $18.03075 for each such share.

F2 · derivative.exercise_date: On the Effective Date, Glencore AG and Givolon entered into an ISDA Master Agreement in the form of the 1992 ISDA Master Agreement (Multi-currency - Cross Border) together with a related Schedule thereto (the "Master Agreement") and a related Total Return Swap Confirmation, pursuant to which Glencore AG received economic exposure to a number of shares of Common Stock equal to the Specified Shares at a reference price equal to $18.03075 per share of Common Stock, under a stock-settled total return swap (the "Century TRS").

F3 · derivative.exercise_date: The Century TRS is scheduled to expire and settle on December 31, 2022 (following expiration of the Century Call Option (defined below)) (the "Expiration Date").

F4 · derivative.exercise_date: Under the Century TRS, (i) with respect to the period of time prior to the settlement of the Century TRS, (A) Glencore AG will be obligated to pay certain fees to Givolon, and (B) Givolon will be obligated to pay to Glencore AG an amount equal to any dividends and other distributions that would have been paid by Century Aluminum Company on a number of shares equal to the Specified Shares; and (ii) at settlement of the Century TRS, (A) Givolon will be obligated to deliver a number of shares equal to the Specified Shares to Glencore AG, and (B) Glencore AG will be obligated to pay to Givolon $18.03075 for each such share.

F2 · derivative.expiration_date: On the Effective Date, Glencore AG and Givolon entered into an ISDA Master Agreement in the form of the 1992 ISDA Master Agreement (Multi-currency - Cross Border) together with a related Schedule thereto (the "Master Agreement") and a related Total Return Swap Confirmation, pursuant to which Glencore AG received economic exposure to a number of shares of Common Stock equal to the Specified Shares at a reference price equal to $18.03075 per share of Common Stock, under a stock-settled total return swap (the "Century TRS").

F3 · derivative.expiration_date: The Century TRS is scheduled to expire and settle on December 31, 2022 (following expiration of the Century Call Option (defined below)) (the "Expiration Date").

F4 · derivative.expiration_date: Under the Century TRS, (i) with respect to the period of time prior to the settlement of the Century TRS, (A) Glencore AG will be obligated to pay certain fees to Givolon, and (B) Givolon will be obligated to pay to Glencore AG an amount equal to any dividends and other distributions that would have been paid by Century Aluminum Company on a number of shares equal to the Specified Shares; and (ii) at settlement of the Century TRS, (A) Givolon will be obligated to deliver a number of shares equal to the Specified Shares to Glencore AG, and (B) Glencore AG will be obligated to pay to Givolon $18.03075 for each such share.

F2 · derivative.underlying_shares: On the Effective Date, Glencore AG and Givolon entered into an ISDA Master Agreement in the form of the 1992 ISDA Master Agreement (Multi-currency - Cross Border) together with a related Schedule thereto (the "Master Agreement") and a related Total Return Swap Confirmation, pursuant to which Glencore AG received economic exposure to a number of shares of Common Stock equal to the Specified Shares at a reference price equal to $18.03075 per share of Common Stock, under a stock-settled total return swap (the "Century TRS").

F3 · derivative.underlying_shares: The Century TRS is scheduled to expire and settle on December 31, 2022 (following expiration of the Century Call Option (defined below)) (the "Expiration Date").

F4 · derivative.underlying_shares: Under the Century TRS, (i) with respect to the period of time prior to the settlement of the Century TRS, (A) Glencore AG will be obligated to pay certain fees to Givolon, and (B) Givolon will be obligated to pay to Glencore AG an amount equal to any dividends and other distributions that would have been paid by Century Aluminum Company on a number of shares equal to the Specified Shares; and (ii) at settlement of the Century TRS, (A) Givolon will be obligated to deliver a number of shares equal to the Specified Shares to Glencore AG, and (B) Glencore AG will be obligated to pay to Givolon $18.03075 for each such share.

F8 · ownership.direct: The Specified Shares and Givolon's interests in the Century TRS and the Century Call Option were held indirectly by each of Glencore AG (Givolon's sole shareholder), Glencore AG's parent, Glencore International AG and its parent, Glencore plc, prior to the Givolon Sale, and are held indirectly by each of Ryfold, Ryfold's parent, The Ryfold Trust, and Estera Trust (Jersey) Limited solely in its capacity as trustee of The Ryfold Trust, following the Givolon Sale.