William F. Oplinger

Career chronology

• Through 31 October 2026: Alcoa Corporation — President and Chief Executive Officer. 2025 Annual Report on Form 10-K (Executive officers: Oplinger)

Contributions and company outcomes

Q3 2026 company results

Q3 2026 · issuer reported · medium materiality

Alcoa reported third-quarter 2026 revenue of US$3.704 billion and net income attributable to the company of US$483 million, compared with US$232 million in the year-earlier quarter. Management attributes the sequential change partly to mark-to-market gains, costs and commodity prices.

Attribution: Role overlaps event; causation unproven. Company-level financial result; no executive-specific causal contribution has been established.

Relevance: Evidence of the operating and financial context, not a personal track-record attribution.

Third Quarter 2026 Results (Financial highlights and quarter discussion)

Industrial safety

Two Alumar workplace fatalities

July 2025 and September 2026 · issuer reported · high materiality

Alcoa reported a maintenance employee fatality at its Alumar smelter in July 2025, followed by a separate September 2026 employee death that the company determined was work-related. In October 2026 Alcoa said its internal investigation into the latter was complete while it cooperated with partner and authority investigations.

Attribution: Role overlaps event; causation unproven. The events occurred during executive tenure; sources do not establish personal fault or an individual breach.

Relevance: Material safety and operational oversight context.

Fatal Incident at Alumar (Incident statement); Statement on Alumar Fatality Investigation (14 October 2026 investigation statement)

Environmental record

Huntly clearing undertakings and regulatory transition

Clearing 2019–2025; regulatory actions 2026 · documented · high materiality

The Australian federal government reported A$55 million in enforceable undertakings relating to historical Huntly land clearing. The minister explicitly said this was not a court-imposed penalty. On 29 October 2026 the WA government announced tighter conditions under a transitional framework while the independent EPA assessment continued.

Attribution: Role overlaps event; causation unproven. Roles overlap part of the period; no individual participation in, or personal responsibility for, the clearing was established.

Relevance: Material evidence of permitting and environmental management risk.

Interview with Oliver Peterson (Minister response on undertakings and non-court characterization); State Government strengthens regulatory arrangements for Alcoa (29 October 2026 conditions and independent assessment)

Litigation and enforcement

Camire pension litigation and appeal

2024–2026 · alleged · high materiality

Oplinger is among defendants in a pension fiduciary-duty lawsuit. The district court dismissed the suit in March 2025 for lack of standing and denied a motion to amend in February 2026. Plaintiffs appealed; the public docket reviewed recorded filings through August 2026. No later appellate outcome was located in this review.

Attribution: Individual involvement documented. He is named as a defendant; dismissal was on standing, not an adjudication of the allegations. Allegations do not establish misconduct.

Relevance: Material governance and litigation context with unresolved appeal status.

Camire v Alcoa memorandum opinion and order (Pages 1–2, background and procedural history); Camire v Alcoa appeal docket (Case parties and August 2026 docket)

Arconic securities class settlement

2013–2017 alleged period; settlement approved 2023 · disputed · high materiality

Oplinger was among defendants named in Howard v Arconic, a securities action alleging misleading statements related to Reynobond PE. The court approved a US$74 million settlement in 2023. Defendants denied the allegations.

Attribution: Individual involvement documented. The notice names him as a defendant, but the settlement is not a finding of personal wrongdoing or a determination of the merits.

Relevance: Relevant historical litigation and governance context.

Arconic notice of proposed settlement (Page 1, defendant list and settlement; notice describing allegations); Arconic Securities Settlement (Case, denials and final settlement)

Suitability for the current role

Experience and present responsibilities

Current at cutoff · analyst inference · low materiality

Analyst inference: William F. Oplinger has documented experience relevant to president and chief executive officer. Alcoa CFO November 2016 to January 2023 and COO February to September 2023; joined legacy Alcoa in 2000. This documents experience, not a verified individual operating result.

Attribution: Responsibility not applicable. Role-fit judgment based on issuer and dated professional records; it is not a finding of personal performance.

Relevance: Relevant to the stated role; career and contribution evidence varies by person.

2025 Annual Report on Form 10-K (Executive officers: Oplinger); 2025 Annual Report on Form 10-K (Executive officers: Oplinger)

Evidence gaps

• Credential and professional licence claims have not been independently verified with awarding or licensing bodies.

• This is limited public-source screening; full prior-employer incident, litigation and regulator records were not obtained, and no personal clearance is inferred.

• Individual contribution to aggregate company results is not established.

• Camire appeal docket last available through 27 August 2026; a later appellate decision was not established.

• The underlying partner and regulatory investigation reports into the 2025 and 2026 Alumar deaths were not obtained.

• This report is a preliminary screening: nine topic rows include reused combined and company-level searches. They are not nine separate person-specific searches and do not establish comprehensive prior-employer diligence.