Ero Announces Result of Year-Long Value-Creation Initiative at Xavantina, Commences First Gold Concentrate Sales in Q4 2025

Core Insights - Ero Copper Corp. has announced the results of a year-long initiative to enhance value from its Xavantina Operations in Brazil, including an updated mineral reserve and resource estimate [1][3][5] Group 1: Operational Highlights - The company has successfully mechanized the Xavantina Operations and initiated gold concentrate sales, achieving significant milestones in 2025 [3][5] - Initial shipments of approximately 3,000 tonnes of gold concentrate were completed in October 2025, with expectations to increase shipments to 10,000 to 15,000 tonnes during Q4 2025 [5] - The company has entered into sales contracts for gold concentrate volumes with net payability expected between 90% and 95% based on various factors [5] Group 2: Mineral Reserve and Resource Estimates - The 2025 mineral reserve and resource estimates for the Xavantina Operations include approximately 29,000 ounces of inferred mineral resources in high-grade gold concentrate [5][6] - Total measured and indicated resources now amount to 664,000 ounces, with an inferred resource of 365,000 ounces [5][6] - The mineral reserve estimates are based on a gold price of $2,100 per ounce and an exchange rate of USD/BRL 5.50 [9][12] Group 3: Future Plans and Exploration - The company is conducting additional sampling campaigns to quantify remaining gold concentrate density and grade, with plans to complete this over the next 12 to 18 months [5] - Ongoing exploration efforts are extending the known limits of mineralization within the mine, supporting a planned expansion of underground operations [5][12]