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BVC:MINEROS TSX:MSA OTCQX:MNSAF MINEROS.COM.CO Mineros S.A.’s Special Meeting of Shareholders Concluded Without Conducting Business

Shareholder Meetings

BVC:MINEROS TSX:MSA OTCQX:MNSAF MINEROS.COM.CO

Mineros S.A.’s Special Meeting of Shareholders Concluded Without Conducting

Business

MEDELLÍN, COLOMBIA – April 30, 2026 – Mineros S.A. (TSX:MSA, OTCQX:MNSAF, BVC:MINEROS)

(“Mineros” or the “ Company”) announces that at the s pecial meeting of shareholders held today, no

matters came before the shareholders for approval, and the meeting was concluded without transacting

business.

The convening of the special me eting today, was necessitated by specific regulatory and corporate law

frameworks in Colombia. The special meeting was therefore called in February on a precautionary basis

to preserve procedural flexibility and ensure compliance with these statutory timelines.

Accordingly, as no final determination has been made to proceed with a reorganization there was no

business to be brought before the shareholders.

ABOUT MINEROS S.A.

Mineros is a leading Latin American gold mining company headquartered in Medellín, Colombia. The

Company operates a diversified portfolio of assets in Colombia and Nicaragua and maintains a pipeline of

development and exploration projects across the region, including the La Pepa Project in Chile.

With more than 50 years of operating history, Mineros maintains a longstanding focus on safety,

sustainability, and disciplined capital allocation. Its common shares are listed on the Toronto Stock

Exchange (MSA) and the Colombian Stock Exchange (MINEROS) and trade on the OTCQX® Best Market

under the symbol MNSAF.

Election of Directors – Electoral Quotient System

The Company has received an exemption from the individual and majority voting requirements applicable

to TSX -listed issuers. Compliance with such requirements would conflict with Colombian laws and

regulations, which require directors to be elected from a slate of nominees under an electoral quotient

system. Additional details are available in the Company’s most recent Annual Information Form,

accessible on the Company’s website at www.mineros.com.cow and on SEDAR+ at www.sedarplus.com.

For Further Information, Please Contact:

Ann Wilkinson

Vice President, Investor Relations

+1 (647) 496-3011

BVC:MINEROS TSX:MSA OTCQX:MNSAF 2

[email protected]

Juan Obando

Director, Investor Relations

+57 (4) 266-5757

[email protected]