Compañía de Minas Buenaventura S.A.A. announced preliminary operating results for the fourth quarter and full year of 2015. For the quarter, the company reported production gold: Orcopampa of 48,606 Oz, La Zanja was 37,709 Oz, Tantahuatay was 47,697 Oz, Yanacocha was 211,256 Oz. Silver: Uchucchacua was 4,118,509 Oz, Julcani was 868,662 Oz, Mallay was 357,236 Oz, El Brocal was 1,183,101 Oz. Zinc: El Brocal was 15,966 MT, Uchucchacua was 1,602 MT, Mallay was 2,407 MT. Copper: El Brocal was 9,165 MT.

For the year, the company reported production gold: Orcopampa of 204,629 Oz, La Zanja was 141,071 Oz, Tantahuatay was 144,782 Oz, Yanacocha was 917,690 Oz. Silver: Uchucchacua was 13,919,920 Oz, Julcani was 3,266,453 Oz, Mallay was 1,285,361 Oz, El Brocal was 3,669,500 Oz. Zinc: El Brocal was 53,319 MT, Uchucchacua was 5,692 MT, Mallay was 9,173 MT. Copper: El Brocal was 31,061 MT.

The company provided production guidance for the year 2016. For the year, the company expects Orcopampa gold production of 200,000 - 210,000 Oz, La Zanja gold production of 130,000 - 140,000 Oz, Tantahuatay gold production of 145,000 - 155,000 Oz, Yanacocha gold production of 600,000 - 650,000 Oz, Uchucchacua silver Oz production of 15.5 million – 16.5 million, Julcani silver production of 3.0 million – 3.4 million, Mallay silver production of 1.5 million - 1.9 million and El Brocal silver production of 2.8 million – 3.2 million, El Brocal Zinc production of 60,000 - 70,000 MT, Uchucchacua Zinc production of 9,200– 10,000 MT and Mallay zinc production of 11,000 MT- 11,800 MT, and El Brocal copper production of 35,000 - 45,000 MT.