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Buenaventura sold 10,999 ounces of gold in the fourth quarter and 48,247 ounces of gold in 2022 from mining at Tambomayo. In the fourth quarter, 402,538 ounces of silver were sold and 1.6 million ounces were sold in 2022. The volume of lead and zinc sold totaled 2,126 MT and 2,038 MT in the fourth quarter, and 9,479 MT and 11,054 MT in 2022, respectively.

Due to the planned mining sequence, which involves mining narrower veins, the company anticipates a year-over-year decline in gold production at Tambomayo in 2023. As a result, annual throughput will be reduced 20%, and empresa centro cerrajeria gold, lead and zinc grades will be lower.