CENTURY ALUMINUM CO — Director's Dealing 2022

Jan 4, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CENTURY ALUMINUM CO (CENX)
CIK: 0000949157
Period of Report: 2021-12-31

Reporting Person: Gary Jesse E (Director, President & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-12-31	Common Stock	F	25131	$16.56	Disposed	307601	Direct
2021-12-31	Common Stock	A	122033	—	Acquired	429634	Direct
2021-12-31	Common Stock	F	54061	$16.56	Disposed	375573	Direct
2022-01-01	Common Stock	A	42548	—	Acquired	418121	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	64400	Indirect

Footnotes

F1: Reports shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of time vesting share units granted to the Reporting Person.

F2: Includes unvested time vesting share units granted to the Reporting Person pursuant to Issuer's 2020-2022 and 2021-2023 Long-Term Incentive Plans under Rule 16b-3(d).

F3: Represents shares of common stock acquired by the Reporting Person upon the vesting of performance share units granted in connection with the Issuer's 2019-2021 Long-Term Incentive Plan under Rule 16b-3(d).

F4: Reports shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of performance share units granted to the Reporting Person.

F5: Represents time vesting share units granted to the Reporting Person in connection with the Issuer's 2022-2024 Long-Term Incentive Plan under Rule 16b-3(d), all of which will vest in the ordinary course on the last day of the Plan Period, December 31, 2024.

F6: Includes unvested time vesting share units granted to the Reporting Person pursuant to Issuer's 2020-2022, 2021-2023 and 2022-2024 Long-Term Incentive Plans under Rule 16b-3(d).

F7: Represents shares transferred by the Reporting Person to a self-settled, revocable trust for estate planning purposes. The Reporting Person serves as the trustee of the trust.