On July 22, 2021, the Board of Directors of Southern Copper Corporation learned of the resignation of Mr. Rafael MacGregor Anciola as a director and as a member of the Audit Committee of the Company effective July 21, 2021. Mr. MacGregor Anciola resigned to pursue other professional interests. On July 22, 2021, the Board of Directors of SCC appointed Mr. Vicente Ariztegui Andreve to replace Mr. MacGregor Anciola on the Audit Committee of SCC.