International Ag Glencore - Dec 31, 2022 Form 4 Insider Report for CENTURY ALUMINUM CO (CENX)

Role: 10%+ Owner
Signature: GLENCORE AG: By: /s/ Stephan Huber; Name: Stephan Huber; Title: Director
Stock symbol: CENX
Transactions as of: Dec 31, 2022
Transactions value $: $0
Form type: 4
Date filed: 1/4/2023, 10:09 AM
Previous filing: Dec 16, 2022
Next filing: Jul 5, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CENX	Common Stock	Conversion of derivative security		+419K	+3.58%		12.1M	Dec 31, 2022	See footnote	F1, F2, F3
holding	CENX	Common Stock						27.5M	Dec 31, 2022	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	CENX	Series A Convertible Preferred Stock	Conversion of derivative security		-4.19K	-7.22%		53.9K	Dec 31, 2022	Common Stock	419K		See footnote	F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents shares of Common Stock acquired upon conversion of 4,191.68 shares of Series A Convertible Preferred Stock on December 31, 2022.
F2	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	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.