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5 March 2025

Sale of Arcata and Azuca

Hochschild Mining PLC (the "Company") is pleased to announce that it has closed the sale of its former mine, Arcata, and the Azuca project to Sierra Caraz S.A.C. for an undisclosed sum. The sale of both assets is part of Hochschild's strategy to concentrate on its core assets in Peru: the Inmaculada mine and the Pallancata-Royropata project, as well as its assets in Brazil and Argentina.

Arcata, an underground mine with a predominance of silver located in the department of Arequipa, began production in 1964 and was in operation until February 2019, when it was placed under care and maintenance. The Azuca project, located in the departments of Cusco and Apurimac, is predominantly a silver project located 60km from Arcata.

Sierra Caraz is a company linked to Sierra Sun Precious Metals S.A.C., a private group that operates mines in Peru.

LXG Capital acted as financial advisors and Miranda & Amado as legal advisors to Hochschild Mining.

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Enquiries:

Hochschild Mining PLC

Raj Bhasin                                                                                                                                                                                               +44 (0)7825 533495

Company Secretary

Hudson Sandler

Charlie Jack                                                                                                                                                                                            +44 (0)207 796 4133

Public Relations

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About Hochschild Mining PLC

Hochschild Mining PLC is a leading precious metals company listed on the London Stock Exchange (HOCM.L / HOC LN) and crosstrades on the OTCQX Best Market in the U.S. (HCHDF), with a primary focus on the exploration, mining, processing and sale of silver and gold. Hochschild has over fifty years' experience in the mining of precious metal epithermal vein deposits and operates two underground epithermal vein mines: Inmaculada, located in southern Peru; and San Jose in southern Argentina, and an open pit gold mine, Mara Rosa, located in the state of Goiás, Brazil. Hochschild also has the Monte do Carmo Advanced Project and numerous long-term projects throughout the Americas.

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LEI: 549300JK10TVQ3CCJQ89

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