On July 20, 2017, the Board of Directors of Southern Copper Corporation elected Mr. Rafael Mac Gregor Anciola as the company's sixth independent director. Mr. Mac Gregor Anciola will serve on the Board of Directors of the company until the next annual meeting of stockholders, or a special meeting at which directors are elected, and until his successor shall have been duly elected and qualified. Mr. Rafael Mac Gregor Anciola, 56 years old, has served as managing Partner of RMAC Asociados since 2016. He has been an independent director of the Board of Grupo Financiero Citibanamex, Chairman of the Risk Committee, Chairman of Impulsora de Fondos Committee, and member of the Audit Committee since 2016.