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“Preliminary Prospectus”), with the securities regulatory authorities in each of the provinces of Canada,

Corporate Updates

MINEROS FILES PRELIMINARY PROSPECTUS FOR INITIAL PUBLIC OFFERING IN CANADA

/NOT FOR DISTRIBUTION TO U.S. NEWS WIRE SERVICES OR DISSEMINATION IN THE UNITED

STATES/

Medellin, Colombia, March 25, 2021 – Mineros S.A. (BVC: MINEROS) (“Mineros”) announced today

that it has filed, and obtained a receipt for, a preliminary prospectus dated March 24, 2021 (the

“Preliminary Prospectus”), with the securities regulatory authorities in each of the provinces of Canada,

other than Québec, for a proposed initial public offering of common shares (the “Offering”). The gross

proceeds of the Offering are expected to be US$25 million. The number of common shares to be sold

and price per common share have not yet been determined. The Offering will be managed by

Scotiabank and Sprott Capital Partners LP (collectively, the “Underwriters”). Mineros will grant the

Underwriters an over-allotment option, exercisable for a period of 30 days from the date of the closing

of the Offering, to purchase up to an additional 15% of the total number of common shares to be sold

pursuant to the Offering.

In connection with the Offering, Mineros has applied to list the common shares to be distributed under

the Offering, as well as its additional issued and outstanding common shares, on the Toronto Stock

Exchange (“TSX”). Mineros has also applied for an exemption from the individual voting and majority

voting requirements applicable to listed issuers under TSX policies, on grounds that compliance with

such requirements would constitute a breach of Colombian regulations that require the directors to be

elected on the basis of a slate of nominees proposed for election pursuant to an electoral quotient

system, as more fully set out in the Preliminary Prospectus. Listing is subject to the approval of the TSX

in accordance with its original listing requirements. The TSX has not conditionally approved the Mineros’

listing application and there is no assurance that the TSX will approve the listing application.

The Preliminary Prospectus containing important information relating to the common shares has been

filed with securities commissions or similar authorities in each of the provinces of Canada, other than

Québec. The Preliminary Prospectus is still subject to completion or amendment. Copies of the

Preliminary Prospectus may be obtained from either of the Underwriters listed above, and will be

available on SEDAR at www.sedar.com. There will not be any sale or any acceptance of an offer to buy

the securities until a receipt for the final prospectus has been issued. No securities regulatory authority

has either approved or disapproved the contents of this news release.

Mineros intends to use the net proceeds from the Offering to fund the majority of the acquisition cost of

Royal Road Minerals Limited’s 50% interest in the Luna Roja exploration target in Nicaragua (to bring

Mineros’ interest to 100%).

Mineros has today also filed with the Colombian Superintendence of Finance a preliminary prospectus

in respect of a concurrent public offering in Colombia of common shares for gross proceeds of up to

US$10 million (the “Colombian Offering”). The Colombian Offering is being made through Corredores

Davivienda S.A., Comisionista de Bolsa, as underwriter. The offering of the common shares in

Colombian Stock Exchange (Bolsa de Valores de Colombia) under the Colombian Offering is subject to

approval by the Colombian Superintendence of Finance.

The common shares have not been, nor will they be, registered under the United States Securities Act

of 1933, as amended (the “U.S. Securities Act”) or any state securities laws. Accordingly, the common

shares may be not offered or sold in the United States unless an exemption from the registration

requirements of the U.S. Securities Act is available and such offer or sale is made in compliance with

any applicable state securities laws. This news release shall not constitute an offer to sell or the

solicitation of an offer to buy, nor shall there by any sale of these securities, in any jurisdiction in which

such offer, solicitation or sale would be unlawful.

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Completion of the Offering and the Colombian Offering are subject to the receipt of customary approvals,

including regulatory approvals. Listing of the common shares on the TSX will also be subject to the

approval by ordinary resolution of the Mineros’ shareholders at a General Shareholders Assembly.

Mineros’ board of directors intends to seek such approval at a meeting of the General Shareholders

Assembly to be held in April 2021.

Gowling WLG (Canada) LLP in Canada and DLA Piper Martinez Beltran in Colombia are acting as legal

counsel to Mineros, and Fasken Martineau DuMoulin LLP is acting as legal counsel to the Underwriters.

ABOUT MINEROS S.A.

Mineros is a Colombian company with over 46 years of experience in gold exploration and production,

with mining operations and growth projects in each of Colombia, Argentina and Nicaragua and an option

to earn an interest in a promising exploration-stage project in Chile. Mineros’ material properties include

the following gold mines and operations: the Nechí Alluvial Property in Colombia, the Gualcamayo Mine

at the Gualcamayo Property in Argentina, and the Panama Mine and the Pioneer Mine at the Hemco

Property in Nicaragua. The common shares of Mineros are listed on the Colombian Stock Exchange.

For further information, please contact:

Patricia Ospina

Director of Investor Relations

+(57) 4 2 66 57 57 ext. 106

[email protected]

Forward-Looking Statements

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

legislation, which reflects Mineros’ current expectations regarding future events including completion of

the Offering and the Colombian Offering, listing of the common shares on the TSX, the listing of the

common shares on the Colombian Stock Exchange pursuant to the Colombian Offering, and the

acquisition of a 50% interest in the Luna Roja exploration target. Forward-looking information is based

on a number of assumptions and is subject to a number of risks and uncertainties, many of which are

beyond Mineros’ control, which could cause actual results and events to differ materially from those that

are disclosed in or implied by such forward-looking information. Such risks and uncertainties include,

but are not limited to, market conditions, the price of gold, currency fluctuations, execution of a definitive

underwriting agreement, filing of a final prospectus and obtaining a receipt therefor, satisfaction of

conditions to complete the Offering, the Colombian Offering, and the acquisition of a 50% interest in the

Luna Roja exploration target, failure to obtain conditional approval for the listing of the common shares

on the TSX, or the common shares issued pursuant to the Colombian Offering on the Colombian Stock

Exchange, and the factors discussed under “Risk Factors” in the Preliminary Prospectus. Mineros does

not undertake any obligation to update such forward-looking information, whether as a result of new

information, future events or otherwise, except as expressly required by applicable law.