Buenaventura Announces Third Quarter and Nine Month 2020 Results

Compañia de Minas Buenaventura S.A.A. (“Buenaventura” or “the Company”) (NYSE: BVN; Lima Stock Exchange: BUE.LM), Peru’s largest publicly-traded precious metals mining company, today
announced results for the third quarter (3Q20) and nine-month (9M20) period ended September 30, 2020. All figures have been prepared in accordance with IFRS (International Financial Reporting
Standards)