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BVC: MINEROS 1 Mineros Reports Second Quarter 2023 Financial and Operational Results (all dollar amounts (other than per share amounts) are expressed in thousands of U.S. dollars

Production Results Financials

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Mineros Reports Second Quarter 2023 Financial and Operational Results

(all dollar amounts (other than per share amounts) are expressed in thousands of U.S. dollars unless otherwise stated)

Medellin, Colombia –August3, 2023. – Mineros S.A. (TSX:MSA, MINEROS:CB) (“Mineros” or the “Company”)

today reported its financial and operational results for the three and six months ended June 30, 2023. For further

information, please see the Company’s unaudited condensed interim financial statements and management’s

discussion and analysis (“MD&A”) filed under Mineros’ profile on www.sedar.com.

Andrés Restrepo, President and CEO of Mineros, commented, “We have had positive results in the second

quarter of 2023, mainly due to managing our costs and administrative expenses, that offset a 6% decrease in

gold production. During the second quarter of 2023 we continued our exploration campaign at the Porvenir

Project in Nicaragua, where the metallurgical drilling campaign is expected to be completed by the third quarter

of 2023 and we hope to share additional information in this regard soon.”

FINANCIAL AND OPERATING HIGHLIGHTS FOR THE SECOND QUARTER 2023

Gold Production

• 69,254 ounces of gold produced.

• A 6% decrease in gold production compared to the same period in 2022 (Q2/22: 74,062 ounces of gold

produced).

Cost of Sales, Cash Cost1 and All-in Sustaining Cost (“AISC”)1

• Cost of sales of $99,801, similar to the same period in 2022 (Q2/22: $99,487).

• Cash Cost per ounce of gold sold2 of $1,207 (Q2/22: $1,131), a 7% increase relative to the same period

in 2022.

• AISC per ounce of gold sold1 of $1,388 (Q2/22: $1,388), similar to the AISC per ounce of gold sold

during the same period in 2022.

Dividend Payment

• $5,213 in dividends paid.

• A decrease of 34% in dividends paid compared to the same period in 2022 (Q2/22: $7,875), explained

by an extraordinary dividend of $0.01 per share paid in April of 2022.

1 Cash Cost, AISC, Adjusted EBITDA, net free cash flow and average price realized per ounce of gold sold are non-IFRS financial measures,

and Cash Cost per ounce of gold sold (stated in dollars), AISC per ounce of gold sold, ROCE and Net Debt to Adjusted EBITDA ratio are non-

IFRS ratios, with no standardized meaning under IFRS, and therefore they may not be comparable to similar measures presented by other

issuers. For further information and detailed reconciliations of non-IFRS financial measures to the most directly comparable IFRS measures,

see Non-IFRS and Other Financial Measures in this news release.

2 Stated in dollars

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Revenue

• Revenue of $138,826.

• Revenue increased by 1% compared to the same period in 2022 (Q2/22: $137,286).

Profitability

• Gross profit up by 3% to $39,025 compared to the same period in 2022 (Q2/22: $37,799).

• Net profit for the period up 10% to $12,552 ($0.04/share) compared to the same period in 2022 (Q2/22:

$11,399 or $0.04/share).

Net Debt to Adjusted EBITDA ratio3

• Net Debt to Adjusted EBITDA ratio2 of (0.02)x as at June 30, 2023.

• The Company continues to have a low Net Debt to Adjusted EBITDA ratio, with a 119% decrease

compared to 0.11x as at June 30, 2022.

FINANCIAL AND OPERATING HIGHLIGHTS FOR THE SIX MONTHS ENDED JUNE 30, 2023

Gold Production

• 129,502 ounces of gold produced.

• An 8% decrease in gold production compared to the same period in 2022 (six months ended June 30,

2022: 140,071 ounces of gold produced).

Cost of Sales, Cash Cost and All-in Sustaining Cost (“AISC”)1

• Cost of sales of $185,621, a 3% decrease when compared to the same period in 2022 (six months

ended June 30, 2022: $191,492)

• Cash Cost per ounce of gold sold of $1,183 (six months ended June 30, 2022: $1,152), a 3% increase

relative to the same period in 2022, explained by the 8% decrease in gold production.

• AISC per ounce of gold sold1 of $1,398 (six months ended June 30, 2022: $1,383), similar to the AISC

per ounce of gold sold during the same period in 2022.

Dividend Payment

• $10,050 in dividends paid.

• A 19% decrease in dividends paid compared to the same period in 2022 (six months ended June 30,

2022: 12,473), explained by an extraordinary dividend of $0.01 per share paid in April of 2022.

3 Cash Cost, AISC, Adjusted EBITDA, net free cash flow and average price realized per ounce of gold sold are non-IFRS financial measures,

and Cash Cost per ounce of gold sold, AISC per ounce of gold sold, ROCE and Net Debt to Adjusted EBITDA ratio are non-IFRS ratios, with

no standardized meaning under IFRS, and therefore they may not be comparable to similar measures presented by other issuers. For further

information and detailed reconciliations of non-IFRS financial measures to the most directly comparable IFRS measures, see Non-IFRS and

Other Financial Measures in this news release.

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Revenue

• Revenue of $256,916. Revenue decreased by 2% when compared to the same period in 2022 (six

months ended June 30, 2022: $261,936).

Profitability

• Gross profit increased by 1% to $71,295 compared to the same period in 2022 (six months ended June

30, 2022: 70,444).

• Net profit for the period up 28% to $27,956 ($0.09/share) compared to the same period in 2022 (Q2/22:

$21,871 or $0.07/share).

Financial and Operating Highlights.

Three Months

Ended June 30, Change Six Months Ended

June 30, Change

2023 2022 $ % 2023 2022 # %

Financial

Revenue 138,826 137,286 1,540 1% 256,916 261,936 (5,020) (2)%

Cost of sales (99,801) (99,487) 314 0% (185,621) (191,492) (5,871) (3)%

Gross Profit 39,025 37,799 1,226 3% 71,295 70,444 851 1%

Net Profit For The Period 12,552 11,399 1,153 10% 27,956 21,871 6,085 28%

Basic and diluted earnings per

share $0.04 $0.04 $0.00 10% $0.09 $0.07 $0.02 28%

Adjusted EBITDA1 47,965 46,710 1,255 3% 88,568 87,857 711 1%

Net cash flows generated by

operating activities 30,154 17,853 12,301 69% 32,652 23,156 9,496 41%

Net free cash flow1 17,116 234 16,882 7215% 4,441 (5,545) 9,986 (180)%

ROCE1 28% 22% 6% 29% 28% 22% 6% 29%

Net Debt to Adjusted EBITDA

ratio1 (0.02)x 0.11x (0.13x) (119%) (0.02)x 0.11x (0.13x) (119%)

Dividends paid 5,213 7,875 (2,662) (34)% 10,050 12,473 (2,423) (19)%

Operating

Average realized price per

ounce of gold sold ($/oz) 1,948 1,837 111 6% 1,918 1,859 59 3%

Total Gold Produced (oz) 69,254 74,062 (4,808) (6)% 129,502 140,071 (10,569) (8)%

Gold sold (oz) 68,570 73,147 (4,577) (6)% 129,263 137,684 (8,421) (6)%

Silver sold (oz) 152,027 93,528 58,499 63% 286,696 195,001 91,695 47%

Cash Cost per ounce of gold

sold ($/oz) 1 $1,207 $1,131 $76 7% $1,183 $1,152 $31 3%

AISC per ounce of gold sold

($/oz) 1 $1,388 $1,388 $— 0% $1,398 $1,383 $16 1%

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1. Average realized price per ounce of gold sold, Adjusted EBITDA, and net free cash flow are Non-IFRS financial measures, and ROCE

and Net Debt to Adjusted EBITDA ratio are Non-IFRS ratios, with no standardized meaning under IFRS, and therefore may not be

comparable to similar measures presented by other issuers. For further information and detailed reconciliations to the most directly

comparable IFRS measures, see Non-IFRS And Other Financial Measures in this news release.

Operational Highlights by Material Property.

(All numbers in ounces unless otherwise noted)

Three Months Ended

June 30, Change Six Months Ended

June 30, Change

2023 2022 ounces % 2023 2022 ounces %

Nechí Alluvial Property

(Colombia) 24,648 23,394 1,254 5% 42,636 42,679 (43) —%

Hemco Property 7,517 10,808 (3,291) (30)% 17,738 19,931 (2,193) (11)%

Artisanal Mining 24,699 23,330 1,369 6% 47,099 46,768 331 1%

Nicaragua 32,216 34,138 (1,922) (6)% 64,837 66,699 (1,862) (3)%

Gualcamayo Property

(Argentina) 12,390 16,530 (4,140) (25)% 22,029 30,693 (8,664) (28)%

Total Gold Produced 69,254 74,062 (4,808) (6)% 129,502 140,071 (10,569) (8)%

Total Silver Produced 152,027 93,528 58,499 63% 286,696 195,001 91,695 47%

For the three months ended June 30, 2023, gold production was down 6%, with 69,254 ounces of gold produced,

compared to 74,062 ounces in the second quarter of 2022, summarized in the table above. The decrease in

production relative to the comparative quarter in 2022 is a result of lower production achieved at the Hemco

Property due to unscheduled maintenance stoppages at the milling area and lower production at the

Gualcamayo Mine as it nears the end of its life of mine.

For the six months ended June 30, 2023, gold production was down 8%, with 129,502 ounces of gold were

produced during the six months ended June 30, 2023, compared to 140,071 ounces in the same period of 2022.

The lower production relative to the comparative period in 2022 is as a result of lower production from the

underground mine at the Hemco Property due to unscheduled maintenance stoppages at the milling area during

the second quarter and a decrease in production at the Gualcamayo Mine.

CORPORATE HIGHLIGHTS FOR THE THREE AND SIX MONTHS ENDED JUNE 30, 2023

New collective agreement in Colombia

On June 8, 2023, Mineros signed a collective agreement for operations at the Nechí Alluvial Property in

Colombia, covering a two year period, starting May 1, 2023.

Termination of strategic alliance with Royal Road Minerals Limited

Effective May 29, 2023, Mineros terminated and, where applicable, settled all outstanding obligations under all

of its agreements with Royal Road Minerals Limited (“Royal Road”).

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Mineros and Royal Road have terminated their strategic alliance agreements for exploration of their respective

properties in Nicaragua and Colombia, and related joint ventures in respect of the Caribe Exploration Target,

located on the Hemco Property in Nicaragua, and the Guintar-Niverengo-Margaritas (“GNM”) Exploration Target,

located in the Anzá Province, Colombia.

Royal Road has relinquished its 50% joint venture interest in the Caribe Exploration Target to Mineros’ subsidiary

Hemco Nicaragua S.A. (“Hemco”), which now owns 100% of the Caribe Exploration Target. The 1.25% net

smelter returns royalty applicable to the two concessions that host the Luna Roja Deposit, which was granted

to Royal Road in May 2021 in connection with Mineros’ acquisition of Royal Road’s 50% joint venture interest

in those concessions, was terminated, and provisions under the related asset purchase agreement in respect

of exploration expenditures to be incurred at the Hemco Property have been released. Mineros has also

relinquished its 50% joint venture interest in the GNM Exploration Target to Royal Road. Mineros and Royal

Road have also annulled a cooperation agreement relating to Mineros’ Gualcamayo Project in Argentina.

Subsequent events

Temporary suspension of the main processing plant at the Hemco Property in Nicaragua and Review

of 2023 Guidance

On July 31, 2023, Mineros determined to temporarily suspend operations at its main processing plant, which

processes 89% of the material and disposal of tailings at its Hemco Property in Nicaragua. The suspension is

precautionary in nature and is designed to allow for the swift completion of the expansion of its detoxification

capacity at the tailings facility prior to hurricane season in Nicaragua. This work had been planned for earlier in

2023 but had been delayed by post-pandemic equipment supply constraints. Given the shutdown, the Company

has taken this opportunity to perform certain plant maintenance work whichs was originally scheduled for later

this year. During the suspension period, which is estimated to last for approximately 20 days, industrial and

artisanal mining activities will continue and the Vesmisa and La Curva plants will also continue to operate. This

precautionary suspension is expected to reduce the Hemco Property’s output by approximately 5,000 to 10,000

ounces of gold for the month of August. Mineros is currently reviewing its mining plan for the Hemco Property

for the second half of 2023 with a view to minimizing the impact, if any, on our production guidance for 2023.

In light of the recent temporary suspension of operations at the main facility at the Hemco Property, the

Company’s 2023 guidance is currently under review. Mineros will keep the market informed of further

developments.

GROWTH AND EXPLORATION PROJECT UPDATES

Porvenir Project, Nicaragua: A total of 4,957 metres of diamond drilling in 36 holes was completed in the

second quarter of 2023, achieving 85% of the program, with the objective of providing material for metallurgical

test work. The metallurgical drilling campaign is expected to be completed by the third quarter of 2023.

Luna Roja Deposit, Nicaragua: In the second quarter of 2023, the Company has been working to update the

geological model for the Luna Roja Deposit and is continuing to interpret the results of its 2022 drilling campaign.

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CONFERENCE CALL AND WEBCAST DETAILS

The Company will host a conference call on Friday, August 4, 2023, at 9:00 am EST (8:00 am COT) to discuss

the results. The conference call will be in Spanish with simultaneous translation in English.

A live webcast of the conference all will be available at:

https://app.webinar.net/almDxXWGv8W

Live webcast requires previous registration, and interested parties are advised to access the webcast

approximately ten minutes prior to the start of the call. The webcast will be archived on the Company’s website

at www.mineros.com.co for approximately 30 days following the call.

Participants may also dial in (charges may apply):

US: ‘+1 720-527-5937

Colombia ‘+57 601-485-0334

Pin for English: 10178681#

Pin for Spanish: 87924011#

The list of all local and international dial in numbers can be found at the end of this document or at

https://fccdl.in/i/webcastatmedios.

ABOUT MINEROS S.A.

Mineros is a 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 John Robert McClintock

Investor Relations Manager Investor Relations

(+57) 42665757 +1 (44) 7718 576395

[email protected] [email protected]

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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.

QUALIFIED PERSON

The scientific and technical information contained in this news release has been reviewed and approved by Luis

Fernando Ferreira de Oliveira, MAusIMM CP (Geo), Mineral Resources and Reserves Manager for Mineros

S.A., who is a qualified person within the meaning of NI 43-101.

FORWARD-LOOKING STATEMENTS

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

laws. Forward looking information includes statements that use forward looking terminology such as “may”,

“could”, “would”, “will”, “should”, “intend”, “target”, “plan”, “expect”, “budget”, “estimate”, “forecast”, “schedule”,

“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 Company’s outlook for 2023; the suspension of operations at the main plant at

the Hemco Property, and potential impacts on the Company’s 2023 guidance; estimates for future mineral

production and sales; the Company’s expectations, strategies and plans for the Material Properties; plans in

respect of the wind-down of its open pit and underground oxide gold mining operations at the Gualcamayo

Property; the Company’s planned exploration, development and production activities; completion of the drilling

program; statements regarding the projected exploration and development of the Company’s projects; adding

or upgrading Mineral Resources and developing new mineral deposits; estimates of future capital and operating

costs; the costs and timing of future exploration and development; the timing, receipt and maintenance of

necessary approvals, licenses and permits form applicable governments, regulators or third parties; estimates

for future prices of gold and other minerals; future financial or operating performance and condition of the

Company and its business, operations and properties, including, without limitation, expectations regarding

liquidity, capital structure, competitive position and payment of dividends; expectations regarding future currency

exchange rates; and any other statement that may predict, forecast, indicate or imply future plans, intentions,

levels of activity, results, performance or achievements.

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

experience and perception of trends, 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: favourable equity and debt capital markets; the ability

to raise any necessary additional capital on reasonable terms to advance the production, development and

exploration of the Company’s properties and assets; future prices of gold and other metal prices; the timing and

results of exploration and drilling programs, and technical and economic studies; the accuracy of any Mineral

Reserve and Mineral Resource estimates; the geology of the Material Properties being as described in the

applicable technical reports; production costs; the accuracy of budgeted exploration and development costs and

expenditures; the timing and complexity of the work required to complete the expansion of the detoxification

capacity at the Hemco Property’s main processing plant; availability of skilled labour and equipment required to

complete the capacity expansion; the orderly wind-down of its open pit and underground oxide gold mining

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operations at the Gualcamayo Property; the price of other commodities such as fuel; future currency exchange

rates and interest rates; 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; inflation rates; availability of labour and equipment;

positive relations with local groups, including artisanal mining cooperatives in Nicaragua, and the Company’s

ability to meet its obligations under its agreements with such groups; and satisfying the terms and conditions of

the Company’s current loan arrangements. 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.

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 (as it may be updated or replaced from time to time), available

on SEDAR at www.sedar.com.

The Company cautions that the foregoing lists of important assumptions and factors are not exhaustive. Other

events or circumstances could cause actual results to differ materially from those estimated or projected and

expressed in, or implied by, the forward looking information contained herein. 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.

NON-IFRS AND OTHER FINANCIAL MEASURES

The Company has included certain Non-IFRS financial measures and Non-IFRS ratios in this news release.

Management believes that Non-IFRS financial measures and Non-IFRS ratios, when supplementing measures

determined in accordance with IFRS, provide investors with an improved ability to evaluate the underlying

performance of the Company. Non-IFRS financial measures and Non-IFRS ratios do not have any standardized

meaning prescribed under IFRS, and therefore they may not be comparable to similar measures employed by

other companies. This data is intended to provide additional information and should not be considered in

isolation or as a substitute for measures of performance prepared in accordance with IFRS. For a discussion of

the use of Non-IFRS financial measures and reconciliations thereof to the most directly comparable IFRS

measures, see below.

EBIT, EBITDA and Adjusted EBITDA

The Company believes that, in addition to conventional measures prepared in accordance with IFRS, certain

investors use the earnings before interest and tax (“EBIT”), earnings before interest, tax, depreciation and

amortization (“EBITDA”), and adjusted earnings before interest, tax, depreciation and amortization (“Adjusted