Company: CENX
Filing Date: 2025-06-16
Form Type: S-8
Source: 0001104659-25-059865
Chunk: 1

Company: CENTURY ALUMINUM CO
Filing Date: 2025-06-16
Form: S-8
Chunk 1
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 the Note to Part I of Form S-8, the plan information specified by Part I
of Form S-8 is not required to be filed with the Securities and Exchange Commission (the “SEC”) and has been omitted
from this Registration Statement. The documents containing the information specified in Part I of Form S-8 have been or will
be provided to participants in the Plan.

<div align='center'>Part II
Information Required in the Registration Statement</div>

Item 3. Incorporation of Documents by Reference.

The following documents filed by the Company with
the SEC are specifically incorporated by reference in this Registration Statement:

| (a) | Annual Report on Form 10-K for the year ended December 31, 2024 (file no. 001-34474); |

| (b) | Quarterly Report on Form 10-Q for the quarter ended March 31, 2025 (file no. 001-34474); |

| (c) | all other reports (excluding any information furnished under Items 2.02 and 7.01 therein) filed by the Company pursuant to Section 13(a) or 
 Section 15(d) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) since the end of the fiscal                           
 year covered by the Annual Report referred to in clause (a) above; and                                                                      |

All documents subsequently filed by the Company
pursuant to Sections 13(a), 13(c), 14 and 15(d) of the Exchange Act, prior to the filing of a post-effective amendment which
indicates that all securities offered have been sold or which deregisters all securities remaining unsold, shall be deemed to be incorporated
by reference into this Registration Statement and be a part hereof from the date of filing of such documents. Any statement contained
in a document incorporated or deemed to be incorporated by reference herein shall be deemed to be modified or superseded for purposes
of this Registration Statement to the extent that a statement contained herein or in any subsequently filed document which also is or
is deemed to be incorporated by reference herein modifies or supersedes such statement. Any statement modified or superseded shall not
be deemed, except as so modified or superseded, to constitute a part of this Registration Statement.

Item 4. Description of Securities.

Not applicable.

Item 5. Interests of Named Experts and Counsel.

Not applicable.

Item 6. Indemnification of Directors and Officers.

Century Aluminum Company is