Alcoa Corporation (NYSE:AA, ASX: AAI)) ("Alcoa" or the "Company") today announced that Emily Olson will join Alcoa on April 6, 2026, as Executive Vice President and Chief External Affairs Officer.

Olson will lead Alcoa's global external affairs and communications organization, including government affairs, communications, stakeholder engagement and the Alcoa Foundation. She will serve as a member of the Company's Executive Team and will work closely with senior leadership to advance Alcoa's strategic priorities and strengthen engagement with key external stakeholders worldwide.

"Emily is a proven leader with deep experience navigating complex, highly regulated environments and building trusted relationships with governments, communities and stakeholders," said Alcoa President and CEO William F. Oplinger. "Her global perspective, strategic mindset and strong track record in external affairs make her an excellent addition to our Executive Team. I am confident she will further align our external engagement with Alcoa's business priorities and long-term strategy."

Olson brings over 20 years of leadership experience across capital intensive industries in the Americas, Europe and Asia. Most recently, Olson served as Chief Sustainability and Corporate Affairs Officer at Vale Base Metals, where she led an integrated global team spanning government relations, communications, sustainability and licensing. In that role she served as the company's chief liaison with governments globally — working directly with federal and regional leaders as well as key stakeholders and partners — while advising the CEO and board on geopolitical risk and strategic nontechnical risks. Olson led Vale's major business interests in Indonesia and served as Chairman of PT Vale.

Prior to Vale, Olson served as Vice President, Global Strategic Relations at Freeport-McMoRan, where she led the integration of government affairs, communications and community affairs, and advised the CEO and board on country-level geopolitical risks.

Olson spent nearly 15 years at BP plc in progressively senior government affairs and business leadership roles across Washington, D.C., Houston and London. As Senior Vice President for Europe and Russia, she led geopolitical risk management across 15 countries and directed government affairs strategy spanning Brussels, Moscow, Berlin and the Caspian region. She also served as Vice President for the Southern Gas Corridor, where she led government advocacy across six countries and guided a consortium of eleven partners to deliver a $40 billion pipeline project.

Before joining the private sector, Olson served as legislative staff in the U.S. House of Representatives and held senior public policy roles in the agricultural sector.

She holds a bachelor's degree in political science from Loyola University of Chicago and a master's degree in international strategy and diplomacy from the London School of Economics.

About Alcoa Corporation

Alcoa (NYSE:AA, ASX: AAI)) is a global industry leader in alumina and aluminum products with a Vision to build a legacy of excellence for future generations. With a values-based approach that encompasses integrity, operating with excellence, care for people and to lead with courage, our Purpose is to Turn Raw Potential into Real Progress. Since developing the process that made aluminum an affordable and vital part of modern life, our talented Alcoans have developed breakthrough innovations and best practices that have led to greater safety, efficiency, sustainability and stronger communities wherever we operate.

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Cautionary Statement on Forward-Looking Statements

This press release contains statements that relate to future events and expectations, and as such constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements include those containing such words as "aim," "ambition," "anticipates," "believes," "could," "develop," "endeavors," "estimates," "expects," "forecasts," "goal," "intends," "may," "outlook," "plans," "potential," "projects," "reach," "seeks," "sees," "should," "targets," "will," "working," "would," or other words of similar meaning. All statements by Alcoa Corporation that reflect expectations, assumptions or projections about the future, other than statements of historical fact, are forward-looking statements. Forward-looking statements are not guarantees of future performance and are subject to known and unknown risks, uncertainties, and changes in circumstances that are difficult to predict. Although Alcoa Corporation believes that the expectations reflected in any forward-looking statements are based on reasonable assumptions, it can give no assurance that these expectations will be attained, and it is possible that actual results may differ materially from those indicated by these forward-looking statements due to a variety of risks and uncertainties. Additional information concerning factors that could cause actual results to differ materially from those projected in the forward-looking statements is contained in Alcoa Corporation's filings with the Securities and Exchange Commission. Alcoa Corporation disclaims any obligation to update publicly any forward-looking statements, whether in response to new information, future events or otherwise, except as required by applicable law.

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Investor Contact:

Jason Duty

(724) 316-4366

Jason.M.Duty@alcoa.com

Media Contact:

Sarah Ayer

412-965-7622

Sarah.Ayer@Alcoa.com

Alcoa Names Chief External Affairs Officer