 LIMA, Peru--BUSINESS WIRE--Compañia de Minas Buenaventura S.A.A. Buenaventura or the Company NYSE: BVN; Lima Stock Exchange: BUE.LM, Perus largest publicly-traded precious metals mining company, today announced 4Q20 results for production and volume sold, and 2021 production guidance. 4Q20 Production per metal100 Basis Tambomayo 1Q 2Q 3Q Oct Nov Dec 4Q20 FY20 Revised 2020Guidance Au Oz 14,549 17,121 16,108 6,428 6,649 2,621 15,699 63,477 70k - 74k Ag Oz 385,532 410,010 395, 