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MSA.TO ·

Mineros announces workforce reduction in Argentina

Corporate Updates

Mineros announces workforce reduction in Argentina

(all amounts expressed in U.S. dollars unless otherwise stated)

Medellin, Colombia – September 9, 2022 – Mineros S.A. (TSX:MSA, MINEROS:CB) (“Mineros” or the

“Company”) announces that over the next six months, it will downsize its operations at its

Gualcamayo Property, reducing its workforce in Argentina by up to 30%, as a result of the natural

depletion of the deposit. The Company expects to incur costs of between $3 million and $5 million

in connection with the workforce reduction, but does not expect such costs to impact its ability to

meet its previously-disclosed 2022 production and cost guidance for the Gualcamayo Property.

ABOUT MINEROS S.A.

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

Company has a diversified asset base, with mines in Colombia, Nicaragua and Argentina and a

pipeline of development and exploration projects throughout the region.

The board of directors and management of Mineros have extensive experience in mining, corporate

development, finance and sustainability. Mineros has a long track record of maximizing shareholder

value and delivering solid annual dividends. For almost 50 years Mineros has operated with a focus

on safety and sustainability at all its operations.

Mineros’ common shares are listed on the Toronto Stock Exchange under the symbol “MSA”, and

on the Colombia Stock Exchange under the symbol “MINEROS”.

For further information, please contact:

Patricia Ospina

Investor Relations Manager

(+57) 42665757

[email protected]

The Company has been granted an exemption from the individual voting and majority voting

requirements applicable to listed issuers under Toronto Stock Exchange policies, on grounds that

compliance with such requirements would constitute a breach of Colombian laws and regulations

which require the directors to be elected on the basis of a slate of nominees proposed for election

pursuant to an electoral quotient system. For further information, please see the Company’s most

recent annual information form filed on SEDAR at www.sedar.com.

FORWARD-LOOKING STATEMENTS

This news release contains “forward-looking information” within the meaning of applicable

securities laws. Forward-looking information includes statements that use forward-looking

terminology such as “may”, “could”, “would”, “will”, “should”, “intend”, “target”, “plan”, “expect”,

“estimate”, “anticipate”, “believe”, “continue”, “potential”, “view” or the negative or grammatical

variation thereof or other variations thereof or comparable terminology. Such forward-looking

information includes, without limitation, statements with respect to the planned workforce

reduction Argentina and associated costs, and its ability to meet 2022 production and cost guidance

for the Gualcamayo Property.

Forward-looking information is based upon estimates and assumptions of management in light of

management’s experience and perception of current conditions and expected developments, as

well as other factors that management believes to be relevant and reasonable in the circumstances,

as of the date of this news release, including, without limitation, assumptions about: future prices

of gold and other metal prices; the accuracy of any mineral reserve and mineral resource estimates;

the geology of the Company’s material properties being as described in the applicable NI 43-101

technical reports; production costs; the price of other commodities such as fuel; operating

conditions being favourable such that the Company is able to operate in a safe, efficient and

effective manner; political and regulatory stability; the receipt of governmental, regulatory and

third party approvals, licenses and permits on favourable terms; obtaining required renewals for

existing approvals, licenses and permits on favourable terms; requirements under applicable laws;

sustained labour stability; stability in financial and capital goods markets; availability of equipment;

and positive relations with local groups. While the Company considers these assumptions to be

reasonable, the assumptions are inherently subject to significant business, social, economic,

political, regulatory, competitive and other risks and uncertainties, contingencies and other factors

that could cause actual actions, events, conditions, results, performance or achievements to be

materially different from those projected in the forward-looking information. Many assumptions

are based on factors and events that are not within the control of the Company and there is no

assurance they will prove to be correct. Although the Company has attempted to identify important

factors that could cause actual actions, events, conditions, results, performance or achievements

to differ materially from those described in forward-looking information, there may be other factors

that cause actions, events, conditions, results, performance or achievements to differ from those

anticipated, estimated or intended. For further information of these and other risk factors, please

see the ‘‘Risk Factors” section of the Company’s annual information form dated March 31, 2022,

available on SEDAR at www.sedar.com.

There can be no assurance that forward-looking information will prove to be accurate, as actual

results and future events could differ materially from those anticipated in such information.

Accordingly, readers should not place undue reliance on forward-looking information. Forward-

looking information contained herein is made as of the date of this news release and the Company

disclaims any obligation to update or revise any forward-looking information, whether as a result

of new information, future events or results or otherwise, except as and to the extent required by

applicable securities laws.