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William F. Oplinger has served as President and Chief Executive Officer of Alcoa Corporation since September 24, 2023. Mr. Oplinger served as Executive Vice President and Chief Operations Officer of the Company from February 2023 until his appointment as President and Chief Executive Officer. From November 2016 through January 2023, Mr. Oplinger was Executive Vice President and Chief Financial Officer of the Company. Prior to this, Mr. Oplinger served as Executive Vice President and Chief Financial Officer of Alcoa Inc. from April 1, 2013 to October 2016. Mr. Oplinger joined Alcoa Inc. in 2000, and through 2013 held key corporate positions in financial analysis and planning and also served as Director of Investor Relations. Mr. Oplinger also held principal positions in the Alcoa Inc. Global Primary Products division, including as Controller, Operational Excellence Director, Chief Financial Officer, and Chief Operating Officer.

Molly S. Beerman has served as Executive Vice President and Chief Financial Officer of Alcoa Corporation since February 1, 2023. Prior to this, Ms. Beerman was Senior Vice President and Controller of the Company from November 2019 through January 2023 and Vice President and Controller from December 2016 through October 2019. Ms. Beerman was Director, Global Shared Services Strategy and Solutions from November to December 2016. In 2016, Ms. Beerman held a consulting role with the Finance Department of Alcoa Inc. From 2012 to 2015, Ms. Beerman served as Vice President, Finance and Administration for a non-profit organization focused on community issues. Prior to that, Ms. Beerman was employed by Alcoa Inc. from 2001 to 2012, having held several roles in the finance function and eventually becoming the director of global procurement center of excellence from 2008 to 2012. Ms. Beerman is a certified public accountant.

Matthew T. Reed has served as Executive Vice President and Chief Operations Officer of Alcoa Corporation since January 1, 2024. Mr. Reed is responsible for the daily operations of the Company's global bauxite, alumina, aluminum, and transformation assets. Mr. Reed was previously Vice President Operations, Australia and President, Alcoa of Australia from June 2023, when he joined the Company, through December 2023. Prior to joining Alcoa, Mr. Reed was the Operations Executive (Chief Operations Officer) of OZ Minerals Limited, a mining company based in South Australia, from September 2021 through May 2023. He was General Manager, Projects at OZ Minerals Limited from January 2021 through August 2021. Previously, Mr. Reed was the Executive Managing Director (Chief Operating Officer) at SIMEC Mining, a mining company based in South Australia, from September 2017 through December 2020.

Renato Bacchi has served as Executive Vice President and Chief Commercial Officer of Alcoa Corporation since August 1, 2023. He leads the Company's sales and trading, marketing, supply chain, commercial operations, and procurement and oversees the Company's global energy assets and innovation and technology programs. Mr. Bacchi was Executive Vice President and Chief Strategy and Innovation Officer of Alcoa Corporation from February 2023 to August 2023. Previously, he was Executive Vice President and Chief Strategy Officer from February 2022 through January 2023, Senior Vice President and Treasurer from November 2019 through January 2022, and Vice President and Treasurer from November 2016 through October 2019. Prior to November 2016, Mr. Bacchi served as the Assistant Treasurer of Alcoa Inc. from October 2014 through October 2016 and the Director, Corporate Treasury from 2012 to 2014. Prior to this time, Mr. Bacchi held various roles of increasing responsibility in areas including finance, strategy, procurement, energy, and sales. Mr. Bacchi joined Alcoa Inc. in Brazil in 1997.

Andrew Hastings has served as Executive Vice President and General Counsel of Alcoa Corporation since September 1, 2023. Mr. Hastings has overall responsibility for the Company's global legal, compliance, governance, and security matters. Prior to joining the Company, Mr. Hastings was Senior Vice President and General Counsel at Lundin Mining Corporation, a mine owner and operator, from February 2019 through August 2023. Previously, Mr. Hastings held progressive legal and commercial roles at Barrick Gold Corporation, a mining company.

Ms. Roberts has served as Senior Advisor of ESG matters to each of the investment firms Hunter Point Capital and Capitol Meridian Partners since 2021. Ms. Roberts was the Chief Sustainability Officer of AppHarvest Inc., an applied technology company developing and operating high-tech indoor farms, from 2020 to 2022. Previously, Ms. Roberts held various executive roles at The Carlyle Group, a global diversified investment firm, including as Chief Sustainability Officer, from 2014 to 2020 and also as Managing Director from 2019 to 2020. Ms. Roberts previously held various positions over seventeen years at the Environmental Defense Fund, and she was awarded the White House Presidential Environment and Conservation Challenge Award in 1991, which recognized her efforts to foster cooperative approaches to environmental needs. Ms. Roberts has also served as a senior faculty fellow at Harvard Business School. She began her career as an engineer for the U.S. Environmental Protection Agency. Other Current Affiliations: Ms. Roberts serves on the boards of PurposeBuilt Brands, LLC and The Conservation Innovation Fund. Ms. Roberts also serves on the Steering Committee of the Smart Surfaces Coalition and on the Sustainability Advisory Council at American University's Kogod School of Business.

Mr. Hughes has served as a Managing Partner of EnCap Investments L.P., a private equity firm focusing on energy investments, since 2019. He formerly served as CEO and Managing Director of Prisma Energy Capital, a private entity focused on investments in energy storage, from 2017 until its acquisition by EnCap in 2019. He was the CEO and Director of First Solar, Inc., a leading global provider of comprehensive photovoltaic solar solutions from 2012 to 2016. Prior to joining First Solar, Mr. Hughes served as CEO and Director of AEI Services LLC, a private company that owned and operated power distribution, generation, and transportation businesses in emerging markets worldwide, and prior to that, he engaged in principal investing that focused on micro-cap investments in North American distressed manufacturing assets. Previously, he served as President and Chief Operating Officer of Prisma Energy International and in various executive positions with Enron Corporation. Other Current Public Directorships: TPI Composites, Inc., a manufacturer of wind blades for the wind energy market; PNM Resources, Inc., an electric utility holding company based in New Mexico. Other Current Affiliations: Mr. Hughes is a former Chairman and former Director of the Los Angeles Branch of the Federal Reserve Bank of San Francisco. He is currently a member of the Energy Advisory Council of the Federal Reserve Bank of Dallas.

Dr. Ernesto Zedillo Ponce de Leon has been a Professor at Yale University since 2002, where he is the Frederick Iseman '74 Director of the Yale Center for the Study of Globalization, Professor in the Field of International Economics and Politics, Professor of International and Area Studies, Professor Adjunct of Forestry and Environmental Studies, and Senior Fellow at the Jackson School of Global Affairs. He was a Distinguished Visiting Fellow at the London School of Economics in 2001. Dr. Zedillo was President of Mexico from 1994 to 2000. He served in the Federal Government of Mexico as Secretary of Education (1992-1993), Secretary of Economic Programming and the Budget and board member of various state-owned enterprises, including PEMEX, Mexico's national oil company (1988-1992), and Undersecretary of the Budget (1987-1988). Prior to that time, Dr. Zedillo served as deputy manager of economic research and deputy director of the central bank of Mexico and was the founding General Director of the Trust Fund for the Coverage of Exchange Risks. He also taught economics at the National Polytechnic Institute and El Colegio de Mexico. Other Current Affiliations: Dr. Zedillo belongs to the international advisory boards of Iberdrola, a multinational renewable energy company (Spain), and NTT Data (previously Everis), an information technology services and consulting company (Spain). Previous Public Directorships: Citigroup Inc. (2010-2022); The Procter & Gamble Company (2001-2019); Promotora de Informaciones, S.A. (2010-2017).

Mr. Field's more than 25 years of experience in the mining, metals, and manufacturing sectors provides valuable industry and operations perspective to the Board. Having served a variety of leadership roles across the industry, Mr. Field provides the Board with significant insight in the Company's vertically integrated operations and strategic considerations. Career Highlights and Qualifications: Group Chief Executive Officer and Managing Director of Sims Limited, an Australian-based metal and electronics recycling company, from 2017 until his retirement in 2023; Several leadership roles at Asciano Limited, an Australian freight and logistics company, prior to joining Sims Limited; Director of Operations, Aluminum at the Saudi Arabian Mining Company (Ma'aden) from 2009 to 2010; Spent several years at the Rio Tinto Group, a global mining and metals company (Rio Tinto), including as Chief Operating Officer, Bauxite and Alumina, Pacific Operations and Vice President, Operations at Rio Tinto Alcan. Other Current Public Directorships: BlueScope Steel Limited, an Australian flat product steel producer; Fonterra Co-operative Group Limited, a New Zealand-based co-operative of dairy farms and exporter of dairy products. Previous Public Directorships: Alumina Limited (2024); Sims Limited (2017-2023).

Mr. Bevan has extensive experience in the metals and mining industry, having previously served in several executive and senior management positions across the industry, including as the Chief Executive Officer of Alumina Limited. His experience contributes significant global business, risk management, leadership, and operational expertise to the Board. Mr. Bevan's Australian experience contributes valuable strategic perspective to the Board. Career Highlights and Qualifications: Chief Executive Officer and Executive Director of Alumina Limited, an Australian mining holding company, from 2008 until his retirement in 2013; Chief Executive Officer of Downer EDI Mining prior to his role as Chief Executive Officer of Alumina Limited; Spent over 25 years with the BOC Group Plc, a multinational industrial gas company, where he held a variety of executive and senior management positions in Australia, Asia, and the United Kingdom. Other Current Public Directorships: Qube Holdings LTD, Australia's largest integrated provider of import and export logistic services. Other Current Affiliations: Mr. Bevan is a non-executive director of Balmoral Iron Pty Ltd., a Western Australia-based mining company. Mr. Bevan also serves as the Chair of the Board of Directors of the Humpty Dumpty Foundation, a non-profit charitable supplier of children's medical equipment in Australia. Previous Public Directorships: Alumina Limited (2008-2013, 2018-2024); BlueScope Steel Limited (2014-2023); Ansell Limited (2012-2023).

On September 27, 2023, the Board of Directors of Alcoa Corporation appointed Ms. Renee Henry, the Company's Vice President and Controller, as the Company's Senior Vice President and Controller and principal accounting officer, effective on October 1, 2023. Ms. Henry, has served as the Company's Vice President and Controller since February 1, 2023. Previously, Ms. Henry served as Vice President, Controllership, with responsibility for financial accounting, external reporting, and the consolidation process, from June 2022 through January 2023. Prior to that, she held the role of Senior Director, Financial Accounting, from November 2021 through May 2022, and was responsible for providing accounting guidance across the global organization. Ms. Henry was Director of Finance-Europe from May 2021 through October 2021 and Senior Manager, Financial Accounting from April 2020 through April 2021. Ms. Henry joined Alcoa in February 2011 and served as Manager, Financial Accounting through March 2020. Ms. Henry is a certified public accountant.

Tammi A. Jones has served as Executive Vice President and Chief Human Resources Officer of Alcoa Corporation since April 1, 2020. Ms. Jones oversees all aspects of human resources management, including talent and recruitment, compensation and benefits, inclusion, training and development, and labor relations. Ms. Jones served as Vice President, Compensation and Benefits of Alcoa Corporation from January 2019 through March 2020 and was the Director, Organizational Effectiveness from April 2017 to December 2018. From April 2015 through March 2017, Ms. Jones served as Human Resources Director, Aluminum (at Alcoa Inc. until Alcoa Corporation's separation in November 2016), and she served as Human Resources Director for Alcoa Inc. Wheels and Transportation Products from April 2013 to April 2015. Ms. Jones joined Alcoa Inc. in 2006 and held a variety of human resource positions at Alcoa Inc., including Human Resources Director, Europe Building & Construction and Human Resources Director, UK and Ireland in Alcoa Inc.'s Building and Construction Systems division.