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BVC: MINEROS 1 Mineros Reports Fourth 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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BVC: MINEROS

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Mineros Reports Fourth 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 – February15, 2024 – Mineros S.A. (TSX:MSA, MINEROS:CB) (“Mineros” or the

“Company”) today reported its financial and operational results for the three months and year ended December

31, 2023. For further information, please see the Company’s audited consolidated financial statements and

management’s discussion and analysis filed under its Mineros’ profile on www.sedarplus.com.

Andrés Restrepo, President and CEO of Mineros, commented: “We had a strong operational fourth quarter and

demonstrated resilience throughout the year. We were able to meet our 2023 production guidance, overcoming

the disruptions we had in March at our Nechí Alluvial Property and in July at our Hemco Property. Additionally,

even though the Colombian peso appreciated by approximately 20% against the US Dollar in 2023, we were

able to meet our 2023 cost guidance helped by implementing effective cost cutting measures during the year.

As we move forward, the Company will continue to focus on being a reliable and profitable operator.”

FINANCIAL AND OPERATING HIGHLIGHTS FOR THE FOURTH QUARTER 2023

Gold Production

• 62,039 ounces of gold produced.

• A 6% increase in gold production compared to the same period in 2022 (Q4/22: 58,597 ounces of gold

produced), explained by higher average gold grade at the Nechí Alluvial Property.

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

• Cost of sales of $82,663, a 17% increase when compared to the same period in 2022 (Q4/22: $70,677).

• Cash Cost per ounce of gold sold of $1,051 (Q4/22: $993), a 6% increase relative to the same period

in 2022.

• AISC per ounce of gold sold of $1,316 (Q4/22: $1,228), a 7% increase relative to the AISC per ounce

of gold sold during the same period in 2022.

Dividend Payment

• $5,228 in dividends paid.

• An 8% increase in dividends paid compared to the same period in 2022 (Q4/22: $4,862).

Revenue

• Revenue of $130,427.

• Revenue increased by 24% compared to the same period in 2022 (Q4/22: $105,059).

1 Cash Cost, AISC, Adjusted EBITDA, net free cash flow, Net Debt 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 and ROCE 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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Profitability

• Gross profit from continuing operations increased by 39% to $47,764 compared to the same period in

2022 (Q4/22: $34,382).

• Net profit for the period from continuing operations up 26% to $22,808 ($0.08/share) compared to the

same period in 2022 (Q4/22: $18,136 or $0.06/share).

• Loss for the period from discontinued operations up (97)% to $1,043 compared to the same period in

2022 (Q4/22: $38,130).

Net Debt2

• Net Debt of $(24,316) as at December 31, 2023, mainly explained by lower loans and other borrowing

and a higher cash and cash equivalents balance.

• The Company continues to have low Net Debt levels, with a 239% decrease compared to $17,517 as

at December 31, 2022.

FINANCIAL AND OPERATING HIGHLIGHTS FOR THE YEAR ENDED DECEMBER 31, 2023

Gold Production

• 219,708 ounces of gold produced.

• A 2% decrease in gold production compared to the same period in 2022 (Year ended December 31,

2022: 224,905 ounces of gold produced).

Cost of Sales, Cash Cost and AISC1

• Cost of sales of $301,888, a 7% increase when compared to the same period in 2022 (Year ended

December 31, 2022: $282,918)

• Cash Cost per ounce of gold sold of $1,090 (Year ended December 31, 2022: $1,022), a 7% increase

relative to the same period in 2022, mainly explained by the increase in cost of sales.

• AISC per ounce of gold sold 1 of $1,299 (Year ended December 31, 2022: $1,219), a 7% increase

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

Dividend Payment

• $20,519 in dividends paid.

• An 11% decrease in dividends paid compared to the same period in 2022 (Year ended December 31,

2022: $22,990), explained by an extraordinary dividend of $0.01 per share paid in April of 2022.

Revenue

• Revenue of $447,290.

2 Cash Cost, AISC, Adjusted EBITDA, net free cash flow, Net Debt 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 and ROCE 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 increased by 8% when compared to the same period in 2022 (Year ended December 31,

2022: $414,937).

Profitability

• Gross profit from continuing operations increased by10% , to $145,402 compared to the same period

in 2022 (Year ended December 31, 2022: $132,019).

• Net profit for the period from continuing operations up by 33% to $74,538 ($0.25/share) compared to

the same period in 2022 (Year ended December 31, 2022: $56,097 or $0.19/share).

• Loss for the period from discontinued operations up by 11%, to $57,324 compared to the same period

in 2022 (Year ended December 31, 2022: $51,610).

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Financial and Operating Highlights.

Three Months Ended

December 31, Change

Year ended

December 31, Change

2023 2022 $ % 2023 2022 # %

Financial

Revenue 130,427 105,059 25,368 24% 447,290 414,937 32,353 8%

Cost of sales (82,663) (70,677) 11,986 17% (301,888) (282,918) 18,970 7%

Gross Profit 47,764 34,382 13,382 39% 145,402 132,019 13,383 10%

Profit for the period from

continuing operations 22,808 18,136 4,672 26% 74,538 56,097 18,441 33%

Basic and diluted earnings per

share from continuing

operations

$0.08 $0.06 $0.02 26% $0.25 $0.19 $0.06 33%

Loss for the year from

discontinued operations (1,043) (38,130) 37,087 (97)% (57,324) (51,610) (5,714) 11%

Basic and diluted earnings per

share from continuing and

discontinued operations

$0.07 $(0.07) $0.14 (209)% $0.06 $0.01 $0.04 284%

Adjusted EBITDA1 53,364 40,117 13,247 33% 172,146 156,156 15,990 10%

Net cash flows generated by

operating activities 52,932 36,602 16,330 45% 89,908 82,607 7,301 9%

Net free cash flow1 36,761 32,210 4,551 14% 49,202 35,611 13,591 38%

ROCE1 30% 25% 5% 21% 30% 25% 5% 21%

Net Debt 1 (24,316) 17,517 (41,833) (239)% (24,316) 17,517 (41,833) (239)%

Dividends paid 5,228 4,862 366 8% 20,519 22,990 (2,471) (11)%

Operating

Average realized price per

ounce of gold sold from

continuing operations ($/oz)1

1,975 1,751 224 13% 1,937 1,800 137 8%

Total Gold Produced from

continuing operations (oz) 62,039 58,597 3,442 6% 219,708 224,905 (5,197) (2)%

Silver sold (oz) from continuing

operations 198,427 88,591 109,836 124% 614,756 358,046 256,710 72%

Cash Cost per ounce of gold

sold from continuing

operations ($/oz) 1 2

$1,051 $993 $58 6% $1,090 $1,022 $68 7%

AISC per ounce of gold sold

from continuing operations

($/oz) 1 2

$1,316 $1,228 $88 7% $1,299 $1,219 $79 7%

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

measures, and Cash Cost per ounce of gold sold, AISC per ounce of gold sold and ROCE 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. In Q4 of 2023, the Company restated AISC and Cash Cost to capture cash outflows related to asset retirement obligations and

environmental and rehabilitation costs. 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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Operational Highlights by Material Property.

(All numbers in ounces unless otherwise noted)

Three Months

Ended September

30,

Change

Nine Months

Ended

September 30,

Change

2023 2022 ounces % 2023 2022 # %

Nechí Alluvial Property (Colombia) 27,920 24,986 2,934 12% 93,757 92,385 1,372 1%

Hemco Property 9,480 9,828 (348) (4)% 32,732 40,677 (7,945) (20)%

Artisanal Mining 24,639 23,783 856 4% 93,219 91,843 1,376 1%

Nicaragua 34,119 33,611 508 2% 125,951 132,520 (6,569) (5)%

Total Gold Produced (oz) from

Continuing Operations 62,039 58,597 3,442 6% 219,708 224,905 (5,197) (2)%

Gualcamayo Property (Argentina) — 13,971 (13,971) (100)% 31,061 62,247 (31,186) (50)%

Total Gold Produced (oz) from

Discontinued Operations — 13,971 (13,971) (100)% 31,061 62,247 (31,186) (50)%

Total Gold Produced (oz) 62,039 72,568 (10,529) (15)% 250,769 287,152 (36,383) (13)%

Total Silver Produced (oz) 198,427 93,528 104,899 112% 623,976 379,392 244,584 64%

For the three months ended December 31, 2023, gold production from continuing operations increased by 6%,

with 62,039 ounces of gold produced, compared to 58,597 ounces in the fourth quarter of 2022, summarized

in the table above. The increase in production relative to the comparative quarter in 2022 is explained mainly

by higher average gold grade at the Nechí Alluvial Property in Colombia.

For the year ended December 31, 2023, gold production from continuing operations was down 2%, with 219,708

ounces of gold produced during the year ended December 31, 2023, compared to 224,905 ounces in the same

period of 2022. The lower production relative to the comparative period in 2022 is explained mainly by a two-

week suspension of operations at the Hemco Property in Nicaragua during the third quarter.

CORPORATE HIGHLIGHTS FOR THE YEAR ENDED DECEMBER 31, 2023

Disposition of Minas Argentinas S.A.

On September 8, 2023, Mineros announced that it had signed a share purchase and sale agreement with Eris

LLC to sell all of the outstanding shares of Mineros’ subsidiary, Minas Argentinas S.A. (“MASA”). MASA holds a

100% interest in the Gualcamayo Property in Argentina, (the “Gualcamayo Property”). The transaction was

completed on September 21, 2023. The disposed business, MASA (including its main asset, the Gualcamayo

Property), has been presented as a discontinued operation in the financial statements for the year ending

December 31, 2023.

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

On July 31, 2023, Mineros suspended operations at the Hemco Plant, its main processing plant at the Hemco

Property for two weeks. The Hemco Plant processes 89% of the material and disposal of tailings at the Hemco

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Property. The suspension was precautionary in nature, to allow for the swift completion of tailings detoxification

capacity enhancements at the San José Tailings Dam, the primary tailings processing facility at the Hemco

Property, prior to hurricane season in Nicaragua. Mineros resumed full operations at the Hemco Property on

August 15, 2023 after making significant enhancements to its tailings detoxification capacity.

New collective agreement in Colombia

On June 8, 2023, Mineros announced the signature of 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 announced that it terminated and, where applicable, settled all outstanding

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

Mineros and Royal Road 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,

and the Guintar-Niverengo-Margaritas (“GNM”) Exploration Target, located in the Anzá Province, Colombia.

Royal Road relinquished its 50% joint venture interest in 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 on 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 also annulled a cooperation agreement relating to Mineros’ Gualcamayo Property in Argentina.

Positive Prefeasibility Study Results for the Porvenir Project - Hemco Property, Nicaragua

On March 16, 2023, the Company announced a new technical report on the Hemco Property, which included

positive prefeasibility study (“PFS”) results for its Porvenir Project updated Mineral Resource and Mineral

Reserve estimates for other deposits, significantly increasing the mine life of the Hemco Property Mineral

Reserves from five to thirteen years. Highlights of the PFS results included:

• Mineral Resource and Mineral Reserve estimates for the Porvenir Project, effective December 31, 2022.

◦ 270 kt of proven mineral reserves averaging 2.70 g/t Au, 13.6 g/t Ag and 3.14% Zn, containing 23 koz

Au, 118 koz Ag, and 19 Mlb Zn;

◦ 5,524 kt of probable mineral reserves averaging 3.09 g/t Au, 10.2 g/t Ag and 2.96% Zn, containing 549

koz Au, 1,804 koz Ag, and 360 Mlb Zn;

• Porvenir Project base case economics include an after-tax net present value (using a 10% discount rate)

of approximately $42 million, an after-tax internal rate of return (“IRR”) of approximately 16% and a payback

period of approximately 4 years from start of production in 2027, assuming $1,500/oz Au, $19.00/oz Ag,

and $1.27/lb Zn;

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• The Porvenir Project will add average annual production over its nine-year mine life of 56,700 oz Au per

year, along with 112,300 oz Ag per year and 38.5 Mlb Zn per year to the Hemco Property;

• After-tax net present value (using a 5% discount rate) of $160 million at $1,650/oz Au, $20.90/oz Ag, and

$1.40/lb Zn; increasing to $216 million at $1,800/oz Au, $22.80/oz Ag, and $1.52/lb Zn; and

• IRR of 21% and after-tax payback period of 3.5-years from start of production at $1,650/oz Au, $20.90/oz

Ag, and $1.40/lb Zn.

A NI 43-101 technical report on the Hemco Property, entitled “Technical Report on the Hemco Property, Región

Autónoma de la Costa Caribe Norte, Nicaragua Report for NI 43-101” dated March 24, 2023, with an effective

date of December 31, 2022, prepared by Sean Horan, P .Geo., Varun Bhundhoo, ing., R. Dennis Bergen, P .Eng.

and Brenna J.Y . Scholey, P .Eng., all of SLR Consulting (Canada) Ltd., and Gerd Wiatzka, P .Eng. of Arcadis

Canada Inc., was filed on SEDAR+ on March 31, 2023 and is available on the Company’s SEDAR+ profile at

www.sedarplus.com. Mineral Resources that are not Mineral Reserves do not have demonstrated economic

viability.

Temporary Suspension of Operations at the Nechí Alluvial Property in Colombia due to Protests

On March 10, 2023, the Company announced a temporary suspension of operations at its Nechí Alluvial

Property due to protests by groups of informal miners not associated with the Company against measures taken

by the national government of Colombia. On March 23, 2023, the Company announced the resumption of all

temporarily suspended operations.

Subsequent events

Profit Distribution Proposal to the General Shareholders Assembly for the year ended December 31,

2023

On February 15, 2023, the Company announced the board of directors’ (the “Board”) proposal regarding profit

distribution, which will be voted on at the General Shareholders Assembly,taking place on March 26, 2024 (the

“Meeting”).

At the Meeting, shareholders will be asked to consider and approve, with or without variation, the distribution of

the Company’s profits by way of dividend proposed by the Board, as set out below:

Profit Distribution Proposal

Fiscal year ended December 31, 2023

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($) (COP$)4

Profit for the year 15,441,821 61,023,949,313

Minus: Transfer of profits for the year to new projects reserve 15,441,821 61,023,949,313

Plus: Release from non-taxable reserves from previous years

for payment of non-taxable dividends 26,976,366 106,606,882,786

Available for distribution to shareholders: 26,976,366 106,606,882,786

The following distribution is proposed:

Payment of untaxed dividend 26,976,366 106,606,882,786

Notes:

1. Payment of each dividend installment will be made for all outstanding shares on the applicable payment date to all

registered shareholders within a specified ex dividend period.

2. Dividend payments do not include interest payments.

3. Dividend payments will be converted to Colombian pesos, based on the Representative Market Rate (Tasa

Representativa del Mercado – TRM) on each payment date.

4. U.S. dollar amounts will be converted to Colombian pesos for informational purposes, based on the average monthly

Representative Market Rate (Tasa Representativa del Mercado – TRM) published by the Colombian

Superintendence of Finance for the year ended December 31, 2023 of $1.00 = approximately COP$3,951.86.

Based on the foregoing proposal, a shareholder would be entitled to receive payment of an ordinary dividend in

respect of each common share held equal to four installments of $0.01875 ($0.075 in total), and an extraordinary

dividend in respect of each common share held equal to four installments of $0.00375 ($0.015 in total), for a

total quarterly dividend of $0.0225 ($0.090 total); payable quarterly on April 18, July 18, and October 17, 2024,

and January 16, 2025.

The Board believes that the proposed profit distribution is in the best interest of the shareholders and will be

voted on at the Meeting.

GROWTH AND EXPLORATION PROJECT UPDATES

The two key growth and exploration projects the Company is advancing are the Porvenir Project and the Luna

Roja Deposit, both located at the Hemco Property.

Porvenir Project, Nicaragua: Mineros finished the 2023 drill campaign achieving approximately 100% of its

original plan, totaling 11,088 metres of diamond drilling in 60 holes. The analysis of the metallurgical campaign

is ongoing, and the Company expects to receive analytical results, metallurgical test outcomes and also

complete the update of the geometallurgical model in the first half of 2024.

The infill drilling campaign is confirming Mineros’ view that mineralization extends below the current resource

estimate and that mineralization remains open at depth.

Luna Roja Deposit, Nicaragua: Mineros is still working on an internal Mineral Resources update of the Luna

Roja Deposit. In 2024, the Company plans to carry out geological mapping with a focus on geophysical

anomalies and conduct internal metallurgical testing at the Hemco lab. No drilling activities are scheduled for

the Luna Roja Deposit throughout the year.