Alcoa — Oct 22, 2025 release

Following the Company’s response to any clarifications requested by the WA EPA, the Company expects that the WA EPA will publish its assessment and recommendations by June 2026. An appeals process of the assessment and recommendations will follow ahead of Ministerial decisions which are expected by the end of 2026.   2   2025 Outlook The following outlook does not include reconciliations of the forward-looking non-GAAP financial measures Adjusted EBITDA and Adjusted Net Income, including transformation, intersegment eliminations and other corporate Adjusted EBITDA; operational tax expense; and other expense; each excluding special items, to the most directly comparable forward-looking GAAP financial measures because it is impractical to forecast certain special items, such as restructuring charges and mark-to-market contracts, without unreasonable efforts due to the variability and complexity associated with predicting the occurrence and financial impact of such special items. For the same reasons, the Company is unable to address the probable significance of the unavailable information, which could be material to future results. Alcoa expects 2025 total Alumina segment production and shipments to remain unchanged from its prior projection, ranging between 9.5 to 9.7 million metric tons, and between 13.1 and 13.3 million metric tons, respectively. The difference between production and shipments reflects trading volumes and externally sourced alumina to fulfill customer contracts due