Company: CENX
Filing Date: 2025-03-03
Form Type: 10-K
Source: 0000949157-25-000024
Chunk: 8

Company: CENTURY ALUMINUM CO
Filing Date: 2025-03-03
Form: 10-K
Item: Item 1
Chunk 8
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 represented by a labor union.

A summary of our key labor agreements is provided below:

FacilityOrganizationTermGrundartangiIcelandic labor unionsThrough December 31, 2024HawesvilleUnited Steel, Paper and Forestry, Rubber, Manufacturing, Energy, Allied Industrial and Service Workers International Union (“USW”)Through April 1, 2026SebreeUSWThrough October 28, 2028Vlissingen Federation for the Metal and Electrical Industry (“FME”)Through December 31, 2025JamalcoUnion of Technical, Administrative, and Supervisory Personnel ("UTASP")Through December 31, 2023

Approximately 86% of Grundartangi’s workforce is represented by five labor unions, governed by a labor agreement that establishes wages and work rules for covered employees. This agreement was effective through December 31, 2024. Grundartangi is currently in the process of negotiating a new contract. Until a new contract is reached, employees will continue to operate under the current agreement. 

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100% of Vlissingen's work force is represented by the Federation for the Metal and Electrical Industry ("FME"), a Netherlands' employers' organization for companies in the metal, electronics, electrical engineering and plastic sectors. The FME negotiates working conditions with trade unions on behalf of its members, which, when agreed upon, are then applicable to all employees of Vlissingen. The current labor agreement is effective through December 31, 2025. 

Approximately 39% of our U.S. based workforce is represented by USW through separately negotiated labor agreements for each facility. The labor agreement for Hawesville employees is effective through April 1, 2026. Upon announcement of the curtailment, Hawesville and the USW local union entered into effects bargaining. An agreement was reached on July 19, 2022, covering the curtailment period. Century Sebree's labor agreement with USW for its employees is effective through October 28, 2028.

Approximately 61% of Jamalco’s work force is represented by the Union of Technical, Administrative, and Supervisory Personnel ("UTASP") through separately negotiated labor agreements for hourly and salaried employee groups. Both contracts are effective through December 31, 2023. Jamalco is currently in the process of negotiating new contracts with both the salaried and hourly employee groups. Until new contracts are reached, employees will