Company: CENX
Filing Date: 2025-11-06
Form Type: 10-Q
Source: 0001628280-25-050200
Chunk: 42

Company: CENTURY ALUMINUM CO
Filing Date: 2025-11-06
Form: 10-Q
Item: Part I, Item 1
Chunk 42
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)Net amount reclassified to net income (loss)1.7 — 1.7 Balance, September 30, 2024$(97.8)$1.4 $(96.4)Balance, December 31, 2024$(104.6)$1.3 $(103.3)Net amount reclassified to net income (loss)4.8 (0.1)4.7 Balance, September 30, 2025$(99.8)$1.2 $(98.6)Balance, December 31, 2023$(99.4)$1.5 $(97.9)Other comprehensive loss before reclassifications(3.4)— (3.4)Net amount reclassified to net income (loss)5.0 (0.1)4.9 Balance, September 30, 2024$(97.8)$1.4 $(96.4)

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Table of ContentsCENTURY ALUMINUM COMPANYCondensed Notes to the Consolidated Financial Statements (continued)(amounts in millions, except share and per share amounts)(Unaudited)

Reclassifications out of AOCL were included in the Consolidated Statements of Operations as follows:Three months endedSeptember 30,Nine months endedSeptember 30,AOCL ComponentsLocation2025202420252024Defined benefit plan and other postretirement liabilitiesCost of goods sold$0.6 $0.7 $2.2 $2.3 Selling, general and administrative expenses0.1 0.2 0.4 0.5 Other operating expense - net0.8 0.8 2.2 2.2 Income tax effect— — — — Net of tax$1.5 $1.7 $4.8 $5.0 Unrealized gain on financial instrumentsCost of goods sold$— $— $(0.1)$(0.1)Income tax effect— — — — Net of tax$— $— $(0.1)$(0.1)

7.    Components of Net Periodic Benefit CostPension BenefitsThree months endedSeptember 30,Nine months endedSeptember 30,2025202420252024Service cost$0.6 $0.7 $1.9 $2.0 Interest cost3.8