Sergio Rivera

Chilean geologist with 30+ years' experience, credited with involvement in significant copper discoveries. NI 43-101 Qualified Person and JORC Competent Person, member of Colegio de Geólogos de Chile and the Institute of Mining Engineers of Chile. Holds a Bachelor's in Geology and a Master's in Economic Geology from Universidad Católica del Norte. Joined Marimaca in November 2011.