Company: CENX
Filing Date: 2025-08-07
Form Type: 10-Q
Source: 0001628280-25-038882
Chunk: 25

Company: CENTURY ALUMINUM CO
Filing Date: 2025-08-07
Form: 10-Q
Item: Part II, Item 2
Chunk 25
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 Association, as trustee and collateral agent.8-K001-34474July 24, 202510.3Amendment No. 5, dated as of July 22, 2025, to the Second Amended and Restated Loan and Security Agreement, dated as of May 16, 2018, among Century Aluminum Company, Century Aluminum of South Carolina, Inc., Century Aluminum of Kentucky General Partnership, NSA General Partnership and Century Aluminum Sebree LLC, as borrowers, and Wells Fargo Capital Finance, LLC, as agent and lender.8-K001-34474July 24, 202510.4Century Aluminum Company 2025 Incentive PlanS-8333-288080June 16, 202510.5Form of RSU Award Agreement (Directors) under the 2025 Incentive PlanX10.6Form of RSU Award Agreement under the 2025 Incentive PlanX10.7Form of PSU Award Agreement under the 2025 Incentive PlanX31.1Rule 13a-14(a)/15d-14(a) Certification of the Chief Executive OfficerX31.2Rule 13a-14(a)/15d-14(a) Certification of the Principal Financial OfficerX32.1Section 1350 Certification (pursuant to Sarbanes-Oxley Section 906) by Chief Executive OfficerX32.2Section 1350 Certification (pursuant to Sarbanes-Oxley Section 906) by Principal Financial OfficerX101.INSXBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document101.SCHInline XBRL Taxonomy Extension SchemaX101.CALInline XBRL Taxonomy Extension Calculation LinkbaseX101.DEFInline XBRL Taxonomy Extension Definition LinkbaseX101.LABInline XBRL Taxonomy Extension Label LinkbaseX101.PREInline XBRL Taxonomy Extension Presentation LinkbaseX104Cover Page Interactive Data File (embedded within the Inline XBRL document)

42

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Century Aluminum CompanyDate:August 7, 2025By:/s/ PETER TRPKOVSKIPeter TrpkovskiExecutive Vice President,  Chief Financial Officer and Treasurer(Principal Financial Officer)Date