Mr. Oscar González Rocha is a President & Chief Executive Officer at Americas Mining Corp., a Chairman & Chief Executive Officer at ASARCO LLC, a General Manager at Southern Peru Copper Corp. Sucursal del Peru, a President, Chief Executive Officer & Director at Southern Copper Corp. and a President & Director at Asarco, Inc. He is on the Board of Directors at Compañía Minera Los Tolmos SA, Southern Copper Corp., International Copper Association Ltd. and Asarco, Inc. Mr. González Rocha was previously employed as a Non-Independent Director by Grupo México S.A.B. de C.V., a General Director by Mexicana de Cananea SA de CV, and a General Director by Mexicana de Cobre SA de CV. He received his undergraduate degree from Universidad Nacional Autónoma de México.