https://centuryaluminum.com/investors/governance/governance-documents/default.aspx https://centuryaluminum.com/investors/governance/governance-documents/default.aspx https://centuryaluminum.com/investors/governance/governance-documents/default.aspx https://centuryaluminum.com/investors/governance/governance-documents/default.aspx https://centuryaluminum.com/investors/governance/governance-documents/default.aspx This report has been prepared in accordance with the GRI Standards: Core option.