Director Non-Independent
Civil Electrical Engineer from the Pontificia Universidad Católica de Chile. He began his career at Endesa, and later reached high positions within Concha y Toro, one of the largest vineyards in the world. In 1989, he was appointed General Director of Concha y Toro, a position he still holds today.

Director Independent
Austrian citizen, he has a degree in Business Administration from the University of Economics of Vienna, Austria. He has been a member of the Executive Board of Plansee Holding AG since 2001, a global private industrial group based in Austria, which operates in the manufacture of refractory metals. Prior to his current assignment, he held several management responsibilities within the same Group.

Directo non-Independent
Mr. Cheyre holds a degree in Economics from Pontificia Universidad Católica de Chile and a Master in Economics from the University of Chicago. He is currently a Director of the Entrepreneurship Institute of Universidad del Desarrollo and was the Executive Vice President of Corporación de Fomento de la Producción (Corfo). Founding partner of the economic and financial analysis company Econsult. He is a director on the companies Telefónica Chile, Inversiones Aguas Metropolitanas and Enel Generación.

Director Not Independent
Mr. Barriga holds a degree in Civil Engineering from Pontificia Universidad Católica de Chile and a Master in Business Administration from Universidad Adolfo Ibáñez. He began his professional career working for the CMPC consortium, within the sales and business development areas. He subsequently held senior administrative positions within Endesa and CB consortiums, being responsible for finance, development and general administration. He has also held positions such as President of Carbomet Energía S.A. and member of the board of electric companies.

Director Independent
Mr. Gutiérrez holds a degree in Civil Engineering, major in hydraulics, from Pontificia Universidad Católica de Chile. Has thirty five years of experience in the scope of corporate boards. From 1984 to 1992, he worked as direct assistant to the General Manager of a publicly traded company, in the port services sector. Then from 1993 to October 2013, he held the position of General Manager of the same company, to assume, in November 2013, as a member of the board of directors, and, from April 2017 until April 2019, as Vice President. During years 2010-2011, he led the team who obtained the port of San Antonio breakwater grant and whose project was inaugurated in January 2018. In the last decade, he has also undertaken the position of director in three other public traded companies in the sectors of: forestry investments, port operations and industrial-agricultural operations. He also act as Counselor for a private university, Chairman of the Board for a non- profit corporation and board member on two family businesses.

Director Independent
Industrial Civil Engineer from Universidad Católica de Chile, graduated as the top student of the 1983 class. Master of Science in Accounting and Finance at the London School of Economics, University of London. He was the Development Manager of SQM, a world leader in the production of iodine, lithium and potassium nitrate. He has held managerial and directive positions in various power companies in Latin America: Chairman and General Manager of AES Gener (Chile), General Manager of Central Puerto (Argentina), Director at Eletropaulo (Brazil), Tiete (Brazil) and Chivor (Colombia). He supervised electric companies in Chile, Argentina, Colombia, Mexico, Panama and Puerto Rico. He was a professor of finance at Universidad Católica de Chile. He is currently the Executive Director of Energía Llaima (Chile) and Director of Sigdo Koppers (Chile).

Non-Independent Director
Mr. Anastassiou has a business administration degree from Universidad de los Andes and an MBA from MIT Sloan (Sloan Fellow 2014). He was an officer of the Interexport Group (telecommunications) where he made a career and became its CEO and Partner. During that period, he led the creation of several companies, and various mergers and acquisitions processes. Currently Mr. Anastassiou is Director of Interwins and Veramonte Vineyards, and an active member of the investment committee of non profit organizations and family offices and, a Partner of SantaFe Capital (real estate group), in addition to several ventures linked to the real estate development of recreational homes and its associated gastronomic services.

Director Not Independent
Mr. Álamos holds a degree in Business Administration from Pontificia Universidad Católica de Chile. He is the General Director of Carenpa S.A., in addition to holding the position of administrative director of various real estate firms in Viña del Mar, Valparaíso and Santiago, in Chile, as well as several hydroelectric plants. Mr. Álamos is an expert in the use of water as a source of electricity. He is currently a member of the board of Proveedora Industrial Minera Andina S.A. (Pimasa), a company in the mining industry. In the past he has held positions such as the General Director of Barranco del León S.A., a company specialized in finding underground water sources for mining in northern Chile, and chairman of various companies in the real estate sector.

Commercial Engineer with a major in Economics from the Univerisdad de Chile. She has a master's degree in Political Studies from the Universidad de los Andes. She has a director certification issued by the Institute of Directors and a Diploma in Corporate Governance from the Universidad Católica de Chile. She has more than 25 years of experience in the financial industry, leading international banking projects. In addition to integrating various company directories, she is a professor of the Banking course at the Faculty of Economics of the Universidad de Chile and at the Universidad Adolfo Ibáñez.

Industrial Civil Engineer Molymet
Mr. Graell earned a degree in Civil Engineering from Universidad de Chile. He joined MOLYMET in 1992 as General Manager and was named Executive President in 2004. He is also chairman of the Board of Molymex S.A. de C.V., Carbomet Energía S.A., Complejo Industrial Molynor S.A., Sadaci N.V. and Compañía Auxiliar de Electricidad del Maipo, and member of the Board of Inmobiliaria San Bernardo S.A.

Auditor Accountant Molymet
Ms. Avendaño is an Accountant from Universidad de Concepción. She joined the Company in 2008 as a Comptroller's Advisor and is currently the Vice President of Risk and Compliance. She is also a Board member of Strategic Metals BVBA, Inmobiliaria San Bernardo S.A., Carbomet Industrial S.A. and Carbomet Energía S.A.

Industrial Civil Engineer Molymet
Mr. Pape holds a degree in Industrial Civil Engineering from Universidad de Chile, has a Master of Science in Mineral and Energy Economics from Curtin University (WA) and a Master in Financial Management from Universidad Adolfo Ibáñez (Chile). He joined the Company in 2004, in 2010 was named Corporate Finance Manager of Molymet and from 2016 to 2018 he held the position of General Manager of Complejo Industrial Molynor S.A. He currently serves as Vice President of Operations America. He is also member of the Board of Directors of Complejo Industrial Molynor S.A. and Molymex S.A de C.V.

Sadaci
Mr. Van Schuylenbergh, of Belgian nationality, is Civil Engineer in Chemistry of the Catholic University of Leuven. He has served for 24 years in many positions in Sadaci and currently serves as Delegated Administrator of Sadaci and Molymet Germany, and as Vice President of Operations Europe. He is also a Board member of Sadaci N.V. and Molymet Germany GmbH.

Commercial Engineer Molymet
Mr. Bascuñán obtained a Business Administration degree from Universidad Finnis Terrae. He joined MOLYMET in 2004 and currently serves as Sales and Market Development Vice President. He is also chairman of the Board of Molymet Trading S.A., Molymet Corporation, Molymet do Brasil, Molymet Services and Molymet Beijing Trading, as well as serving on the Board of Complejo Industrial Molynor S.A., Molymex S.A. de C.V., Sadaci N.V. and Molymet Peru Trading.

Mechanical Civil Engineer Molymet
Mr. Concha obtained a degree in Mechanical Cvil Engineering from Universidad de Chile. He joined the Company in 1993 as Project Manager and in 2007 he was appointed as Vice President of Engineering. He is also Director of Complejo Industrial Molynor S.A., Molymex S.A. de C.V. and Sadaci N.V.

Psychologist Molymet
Mrs. Gómez is a Psychologist and Master in Human Resources Management from Universidad Adolfo Ibáñez, and Master Certificate in Human Resources Management from Villanova University, USA. She joined Molymet in 2016 as Corporate Human Resources Manager currently serves as Vice Presidency of Corporate HR & Communication.

Lawyer Molymet
Mr. Dunay is a Lawyer from Universidad de Chile since 2002 and holds a Master of Laws (LL.M.) from University of California, Berkeley. He joined Molibdenos y Metales S.A. in 2015 as Corporate Legal Manager and currently serves as Vice President of Corporate and Legal Affairs. He is also a member of the Board of Directors of Eastern Special Metals Hong Kong Ltd., Compañía Auxiliar de Electricidad del Maipo S.A., Complejo Industrial Molynor S.A. and Molymex S.A. de C.V.

:Rodrigo Ceballos Argo industrial civil engineer Molymet
Mr. Rodrigo Ceballos Argo is an Industrial Civil Engineer from the Catholic University of Chile, who also has an MBA from the University of Cambridge UK, with extensive experience in business development, projects, finance and strategy in different national and multinational companies. The executive worked at Molymet between 2001 and 2014, in different executive positions.