Compañia de Minas Buenaventura S.A.A. announced that Mr. Gonzalo Eyzaguirre, Buenaventura´s Vice President of Operations, has been designated to serve as interim General Manager of Sociedad Minera El Brocal S.A.A., effective July 19, 2017. Mr. Eyzaguirre, will maintain his responsibilities as Buenaventura´s Vice President of Operations with oversight of Buenaventura`s operating units while assuming the role of El Brocal´s interim General Manager.