Century Aluminum Company

Century Aluminum Co. is a U.S.-based producer of primary aluminum that operates smelters in the United States and Iceland, with a 55% joint venture interest in the Jamalco bauxite mine and alumina refinery in Jamaica and a carbon anode facility in the Netherlands. The company sells standard-grade and value-added aluminum products into the U.S. and European markets, where proximity to customers helps it capture regional premiums and reduce freight costs versus overseas competitors. Century has also been investing to expand capacity, lower costs, and increase the share of low-carbon and value-added products under its Natur-Al line. Its business is highly tied to electricity, alumina, and aluminum pricing, making operational efficiency and supply-chain positioning central to its model.

9,9 %

10,1 %

1,7 %

+13,9 %

1.97

0.98

— Century Aluminum Company
%
Primary aluminum80% Smelted aluminum metal sold into industrial and commodity markets, including U.S. and European customers.
Value-added aluminum products15% Billet, slab and other differentiated products sold at premiums to standard-grade metal.
Low-carbon aluminum (Natur-Al)3% Lower-carbon aluminum products marketed on sustainability attributes and customer decarbonization needs.
Alumina and related upstream supply1% Jamalco alumina off-take and related upstream inputs supporting internal smelter consumption.
Carbon anodes and other by-products1% Anode production and other ancillary products used internally or sold within the production chain.

Century sells primarily to a small number of large industrial customers and commodity traders, with Glencore...

  • Commodity traders and metal marketersprimary

    They buy large volumes of primary aluminum under short-term contracts and resell or distribute it into end markets; Century relies heavily on this channel, especially Glencore.

  • U.S. industrial customersprimary

    They purchase primary aluminum and value-added products for domestic manufacturing and benefit from Century's U.S. smelter locations and Midwest premium access.

  • European industrial customerssecondary

    They buy metal from Grundartangi in Iceland to secure reliable regional supply and capture European Duty Paid premium economics.

  • Customers seeking differentiated alloys and billetsecondary

    They buy value-added cast products for applications requiring specific shapes, alloys, or performance characteristics.

  • Low-carbon procurement customersemerging

    They source Natur-Al products to support sustainability targets and lower embedded carbon in their supply chains.

Century's operating footprint is concentrated in the United States and Iceland, with upstream exposure in Jamaica and...

  • United States smelters serve domestic customers and capture Midwest premium economics
  • Iceland smelter supplies Europe and benefits from proximity to EEA markets
  • Jamaica Jamalco JV provides upstream alumina for internal consumption
  • Netherlands anode plant supports the Iceland operation's input needs
  • U.S. tariffs on imported aluminum improve domestic pricing conditions
  • European market access matters because regional premiums support margins

Century's strategy is centered on improving its cost position, expanding capacity, and increasing the share of...

01
Build a new U.S. smelter with EGAmedium-term

Adds domestic capacity in a protected market and supports long-term growth if financing and permitting are successful.

02
Grow value-added and low-carbon product offeringsmedium-term

Differentiated products can earn premiums and reduce reliance on pure commodity pricing.

03
Reduce cost structure and improve operational reliabilityshort-term

Electricity, alumina and labor are the main cost drivers, so efficiency directly affects margins.

04
Preserve liquidity and financing flexibilityshort-term

Large capital projects and commodity volatility require access to cash, credit and external funding.

Century is exposed to aluminum price volatility, regional premium swings, and cyclical demand because most of its...

high

Primary aluminum price and premium volatility

Revenue is linked to LME pricing plus regional and value-added premiums, which can move sharply with supply-demand conditions and trade policy.

Scope
All smelter sales
Materiality
high
high

Customer concentration

A small number of customers account for most sales, so losing a major buyer would materially reduce shipments and bargaining power.

Scope
Glencore and other short-term contract customers
Materiality
high
high

Power and raw material cost inflation

Electricity, alumina and carbon products are core inputs and represent the majority of cost of goods sold.

Scope
U.S. and Iceland smelters; Jamalco supply chain
Materiality
high
high

Project execution and financing risk

The new smelter and restart projects require large capital outlays, permitting, and external funding to succeed.

Scope
EGA joint development, Mt. Holly restart, Grundartangi repairs
Materiality
high
medium

Take-or-pay contractual obligations

Century may still owe payments for contracted materials or services even when production is reduced, limiting downside protection.

Scope
Raw materials and services contracts
Materiality
medium
medium

Regulatory and trade-policy changes

Tariffs, environmental rules and climate-related regulation can change regional premiums, demand, and compliance costs.

Scope
U.S., Europe and international operations
Materiality
medium
Inventory lower of cost or net realizable value
Affects cost of sales and reported margins
Jamalco joint venture consolidation
Affects balance sheet, revenue presentation and comparability
Pensions and OPEB
Affects operating expense and long-term liabilities
Deferred tax assets
Affects tax expense and equity valuation
Property, plant and equipment and capital project accounting
Affects EBITDA, depreciation and asset carrying values

: 11/08/2026