Director Declaration

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16 December 2025

Director Declaration

In accordance with UKLR 6.4.9R (2), Hochschild Mining PLC announces that Joanna Pearson, an Independent Non-Executive Director, has been appointed as a Non-Executive Director of TSX and NYSE-listed Orla Mining Ltd with effect from today.

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Enquiries:

Hochschild Mining PLC

Raj Bhasin +44 (0)7825 533495

Company Secretary

Hudson Sandler

Charlie Jack +44 (0)20 7796 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' of experience in the mining of precious metal epithermal vein deposits and currently 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 numerous long-term projects throughout the Americas.

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LEI: 549300JK10TVQ3CCJQ89

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