S-8 S-8 EX-FILING FEES 0000949157 CENTURY ALUMINUM CO Fees to be Paid 0000949157 2025-06-16 2025-06-16 0000949157 1 2025-06-16 2025-06-16 iso4217:USD xbrli:pure xbrli:shares

Calculation of Filing Fee Tables

S-8

CENTURY ALUMINUM CO

Table 1: Newly Registered Securities

Security Type

Security Class Title

Fee Calculation Rule

Amount Registered

Proposed Maximum Offering Price Per Unit

Maximum Aggregate Offering Price

Fee Rate

Amount of Registration Fee

1 Equity Common Stock Other 5,519,839 $ 19.04 $ 105,097,734.56 0.0001531 $ 16,090.46

Total Offering Amounts:

$ 105,097,734.56

$ 16,090.46

Total Fee Offsets:

$ 0.00

Net Fee Due:

$ 16,090.46

Offering Note

1

1a. There are also registered hereunder such indeterminate number of additional shares as may become subject to awards under the Century Aluminum Company 2025 Incentive Plan (the "Plan") as a result of the antidilution provisions contained therein, and such indeterminate amount of plan interests. 1b. Proposed maximum offering price per unit has been estimated solely for the purposes of calculating the registration fee pursuant to Rule 457(c) under the Securities Act of 1933, as amended (the "Securities Act"), on the basis of the average of the high and low trading prices ($19.16 and $18.91, respectively) of the Common Stock on June 12, 2025, as reported on the Nasdaq Global Select Market.