Company: CENX
Filing Date: 2025-08-07
Form Type: 10-Q
Source: 0001628280-25-038882
Chunk: 44

Company: CENTURY ALUMINUM CO
Filing Date: 2025-08-07
Form: 10-Q
Item: Part I, Item 1
Chunk 44
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 — Net of tax$1.6 $1.5 $3.3 $3.3 Unrealized gain on financial instrumentsCost of goods sold$(0.1)$— $(0.1)$(0.1)Income tax effect— — — — Net of tax$(0.1)$— $(0.1)$(0.1)

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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)

7.    Components of Net Periodic Benefit CostPension BenefitsThree months ended June 30,Six months endedJune 30,2025202420252024Service cost$0.6 $0.7 $1.3 $1.3 Interest cost3.5 3.2 6.8 6.7 Expected return on plan assets(4.0)(4.1)(7.9)(7.9)Amortization of prior service benefit— — 0.1 0.1 Amortization of net loss1.5 1.3 2.9 3.0 Net periodic benefit cost$1.6 $1.1 $3.2 $3.2 Other Postretirement BenefitsThree months ended June 30,Six months endedJune 30,2025202420252024Service cost$0.1 $0.1 $0.1 $0.1 Interest cost0.9 0.9 1.9 1.9 Amortization of prior service cost— (0.1)— (0.1)Amortization of net loss0.1 0.3 0.3 0.3 Net periodic benefit cost$1.1 $1.2 $2.3 $2.2 

8.    InventoriesInventories consist of the following:June 30, 2025December 31, 2024Raw materials$178.5 $180.8 Work-in-process50.6 52.1 Finished goods57.7 74.6 Operating and other supplies226.6 231.5 Total inventories$513.4 $539.0 Inventories are stated at the