S-3 S-3ASR EX-FILING FEES 0000949157 CENTURY ALUMINUM CO N/A N/A 0000949157 2026-10-30 2026-10-30 0000949157 1 2026-10-30 2026-10-30 0000949157 2 2026-10-30 2026-10-30 0000949157 3 2026-10-30 2026-10-30 0000949157 4 2026-10-30 2026-10-30 0000949157 5 2026-10-30 2026-10-30 0000949157 6 2026-10-30 2026-10-30 0000949157 7 2026-10-30 2026-10-30 0000949157 8 2026-10-30 2026-10-30 0000949157 9 2026-10-30 2026-10-30 iso4217:USD xbrli:pure xbrli:shares

Calculation of Filing Fee Tables

S-3

CENTURY ALUMINUM CO

Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable

Security Type

Security Class Title

Fee Calculation or Carry Forward Rule

Amount Registered

Proposed Maximum Offering Price Per Unit

Maximum Aggregate Offering Price

Fee Rate

Amount of Registration Fee

Carry Forward Form Type

Carry Forward File Number

Carry Forward Initial Effective Date

Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward

Newly Registered Securities
Fees to be Paid 1 Equity Common Stock 457(r) 0.000087
Fees to be Paid 2 Equity Preferred Stock 457(r) 0.000087
Fees to be Paid 3 Debt Debt Securities 457(r) 0.000087
Fees to be Paid 4 Other Guarantees of Debt Securities 457(r) 0.000087
Fees to be Paid 5 Other Warrants 457(r) 0.000087
Fees to be Paid 6 Equity Depositary Shares 457(r) 0.000087
Fees to be Paid 7 Other Subscription Rights 457(r) 0.000087
Fees to be Paid 8 Other Stock Purchase Contracts 457(r) 0.000087
Fees to be Paid 9 Other Stock Purchase Units 457(r) 0.000087
Fees Previously Paid
Carry Forward Securities
Carry Forward Securities

Total Offering Amounts:

$ 0.00

$ 0.00

Total Fees Previously Paid:

$ 0.00

Total Fee Offsets:

$ 0.00

Net Fee Due:

$ 0.00

Offering Note

1

An indeterminate aggregate initial offering price or number of the securities of each identified class is being registered as may from time to time be offered at indeterminate prices or upon conversion, exchange or exercise of securities registered hereunder to the extent any such securities are, by their terms, convertible into, or exchangeable or exercisable for, such securities. An indeterminate aggregate initial offering price or number of the securities of each identified class is being registered as may from time to time be offered at indeterminate prices. Separate consideration may or may not be received for securities that are issuable on conversion, exchange or exercise of other securities or that are issued in units or represented by depositary shares. In accordance with Rule 456(b) and 457(r) under the Securities Act, the Registrant is deferring payment of all registration fees.

2

See Note (1).

3

See Note (1).

4

See Note (1). The debt securities may be guaranteed pursuant to guarantees by one or more subsidiaries of the Registrant. Pursuant to Rule 457(n), no separate fee for the guarantees is payable.

5

See Note (1). The warrants covered by this registration statement may be warrants for debt securities, common stock, preferred stock, depositary shares or securities of third parties or other rights.

6

See Note (1).

7

See Note (1).

8

See Note (1).

9

See Note (1).

Table 2: Fee Offset Claims and Sources ☑Not Applicable
Registrant or Filer Name Form or Filing Type File Number Initial Filing Date Filing Date Fee Offset Claimed Security Type Associated with Fee Offset Claimed Security Title Associated with Fee Offset Claimed Unsold Securities Associated with Fee Offset Claimed Unsold Aggregate Offering Amount Associated with Fee Offset Claimed Fee Paid with Fee Offset Source
Rules 457(b) and 0-11(a)(2)
Fee Offset Claims
Fee Offset Sources
Rule 457(p)
Fee Offset Claims
Fee Offset Sources
Table 3: Combined Prospectuses ☑Not Applicable

Security Type

Security Class Title

Amount of Securities Previously Registered

Maximum Aggregate Offering Price of Securities Previously Registered

Form Type

File Number

Initial Effective Date