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MSA.TO ·

Mineros Delivers H1 Record Revenue of $559 Million and Record Adjusted EBITDA of $260 Million on Sales of 122,634 Gold Equivalent Ounces

Resource Estimates Financials

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Mineros Delivers H1 Record Revenue of $559 Million and Record Adjusted

EBITDA of $260 Million on Sales of 122,634 Gold Equivalent Ounces

• H1 Cash Cost of $2,104/oz tracking within guidance

• H1 AISC of $2,348/oz - below the lower end of guidance

Medellin, Colombia – August 5, 2026 – Mineros S.A. ( TSX:MSA, BVC:MINEROS,

OTCQX:MNSAF)(“Mineros” or the “Company”) today reported its financial and operating results

for the three and six months ended June 30, 2026. All dollar amounts are expressed in thousands

of US dollars unless otherwise stated. For further information, please see the Company’s

unaudited condensed interim consolidated financ ial statements and management’s discussion

and analysis posted on Mineros’ website https://mineros.com.co/en/investors/financial-reports

and filed under its profile on www.sedarplus.com.

Financial Highlights for the three and six months ended June 30, 2026

• Revenue of $266,978 in Q2 2026 was driven by strong operational performance across

both properties and a robust gold price environment. These factors contributed to a record

first-half revenue of $558,788 — the strongest six-month top line in the Company's history.

• Adjusted EBITDA surged 70% year-over-year to $260,475, for the first half of 2026, the

strongest first-half result in the Company's history, underpinned by disciplined cost control

and a robust gold price environment.

• The Company delivered a record first-half net profit of $132,819 ($0.45 per share), with

Q2 net profit of $45,133 ($0.15 per share) demonstrating the consistent earnings power

of the business across both jurisdictions.

• As at June 30, 2026, cash equivalents and gold backed assets totalled $228,770,

comprising cash equivalents of $41,136, precious metals inventory of $124,605

(equivalent to 29,309 ounces of gold and 112,297 ounces of silver) and gold-backed

receivables totaling $63,029 (equivalent to 12,912 ounces of gold and 95,577 ounces of

silver), reflecting the Company's deliberate capital allocation strategy under its strategic

gold reserve policy.

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• As at June 30, 2026, the company held 16,128 ounces of gold in ore stockpiles (valued at

a cost of $1,284 US$/oz) and 1,190 ounces of AuEq in doré format (valued at a cost of

2,748 US$/oz) totalling 17,318 ounces of AuEq for a total value of $24,430. This

corresponds to an increase of 18,748 ounces of AuEq and $15,758 in comparison to the

December 2025 levels, as the Company accumulates ore feed ahead of the Hemco

processing plant capacity expansion from 1,750 to 2,500 tonnes per day, expected to be

completed by year-end 2026.

• With loans and borrowings of only $55,635, Mineros maintains a conservative, low-

leverage balance sheet.

Operational Highlights for the three and six months ended June 30, 2026

• Gold production of 60,253 ounces in Q2 2026, a 12% increase over Q2 2025, reflects

broad based operational strength across both properties, with Hemco Property delivering

37,594 ounces (+14% year over year) driven by higher throughput and improved

metallurgical recoveries, and Nechí Property contributing 22,659 ounces (+9 % year over

year). First half consolidated production reached 118,103 ounces.

• Gold sold of 59,639 ounces (61,849 AuEq) in Q2 2026, an 11% increase over Q2 2025,

contributed to a first half total of 117,489 ounces (122,634 AuEq) a 12% year over year

increase providing the foundation for the Company's upward revision of its full-year 2026

guidance to 220,000–240,000 ounces.

• Silver sold of 150,681 ounces in Q2 2026, more than double the 70,733 ounces sold in

Q2 2025, reflects the sustained success of the metallurgical optimization program at the

Hemco processing plant. For the first half of 2026, silver sold reached 312,446 ounces, a

111% increase over the same period in 2025.

• Cost performance tracked ahead of target for the first half: Cash Cost per ounce of gold

sold of $2,104 came in within full-year guidance of $2,070–$2,170/oz, while AISC of

$2,348/oz fell below the guided range of $2,370–$2,470/oz, positioning the Company to

beat its full-year cost targets. On a standalone basis, Q2 Cash Cost of $2,204/oz and AISC

of $2,458/oz reflect expected second-half cost discipline and remain consistent with the

full-year guidance.

Strategic Highlights for the three and six months ended June 30, 2026

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• Acquired a gold exploration project in Tolima, Colombia, which, as reported by AngloGold

Ashanti PLC in December 2024, hosts an historical mineral resource estimate of 23.35

million ounces of gold in Indicated Mineral Resources and 4.98 million ounces of gold in

the Inferred Mineral Resources.

• Porvenir Project received the Environmental Certification for the Processing Plant and

Tailings Storage Facility. In April 2026, the Attorney General's Office provided the

Environmental Certification marking one of the final steps towards full permitting. Over

2024 and 2025 the Porvenir Project has secured a number of key approvals, including the

underground mining permits, forest management authorizations including the

environmental certifications thereof, municipal approvals, and environmental certification

for the processing plant and tailings storage facility. Pending are specific forest

management and treated wastewater authorizations which Mineros expects the approvals

for by the end of the year.

• Advanced the Hemco expansion in Nicaragua, with sustained throughput reaching 2,100

tonnes per day (“tpd”) by June, a 20% increase over the 1,750 tpd baseline. The Company

is on schedule and within budget to meet the Company’s goal of achieving 2,500 tpd

throughput by December 2026.

• Mineros revised its consolidated gold production guidance for 2026 to 220,000–240,000

ounces (from 213,000-233,000 ounces). This guidance flows from a disciplined focus on

"quick-return" ounces, prioritizing capital investment toward brownfield projects and

operational efficiencies that can be brought online rapidly to maximize free cash flow in a

robust commodity market. The Hemco Property (Nicaragua) is expected to contribute

137,000–147,000 oz, while the Nechí Property (Colombia) will produce 83,000–93,000

ounces of gold.

• Repurchased 4,083,497 common shares for $18,077 as part of the share repurchase

program undertaken during the second quarter of 2026, highlighting the ongoing

commitment to enhancing shareholder value and reflecting the confidence in the

company's long-term growth and financial strength.

• During the second quarter, the Company completed 14,432 metres in 55 drill holes

representing 19% of the 75,400 metres of diamond drilling planned for the Hemco

Property. In addition, 86 holes of sonic and ward drilling was completed at the Nechí

Property for a total of 2,088 metres representing 16% of the 13,000 metres planned. The

drilling in the second quarter of 2026 at the Hemco Property represented a mix of near

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mine drilling to expand the Mineral Resources and Mineral Reserves at the Panama and

Pioneer Mines (6,752 metres in 22 holes), infill drilling at the Porvenir Project (2,517

metres in 15 holes) and 5,163 metres in 9 holes in greenfield and brownfield targets on

our relatively underexplored land package in Nicaragua.

• Mineros is the principal contributor and project manager of a new public secondary school

in El Bagre, Antioquia, within the Nechí Property operating footprint. Total project

investment is estimated to be approximately COP $38.7 billion ( ≈ US$9.1 million), co-

funded with EPM, Grupo Argos, and Grupo Nutresa. This initiative was financed through

Colombia’s Obras por Impuestos (“Works-for-Taxes”) mechanism, which redirects

corporate income tax into community infrastructure in post-conflict municipalities. The new

11,000 m² campus will serve more than 1,080 students in a region historically affected by

armed conflict and illegal mining.

• Update to investment policy - On May 4, 2026, the Board of Directors approved an updated

Investment Management Policy. The updated policy expands the range of admissible

instruments to include high-liquidity ETFs and listed precious metals producer equities,

increases the allocation to physical gold bullion (which must be held with reputable

institutional custody firms), and introduces precious metals derivative instruments

including forwards, swaps, and plain vanilla options as a new admissible asset class. The

policy establishes an Investment Committ ee, introduces quantitative risk controls

including daily Value-at-Risk, monthly stress testing, and counterparty eligibility and

concentration limits, and enhances repor ting requirements including daily monitoring,

monthly Investment Committee meetings, and quarterly Audit Committee reporting.

Derivative instruments not designated as hedging instruments under IFRS 9 are classified

at fair value through profit or loss, with changes in fair value recognized in profit or loss in

the period in which they arise.

Daniel Henao, President and Chief Executive Officer of Mineros, commented: “H1 2026

demonstrates the earnings leverage embedded in our growing production profile. With all-in

sustaining costs tracking below guidance and Hemco Property’s production at the top end of

production guidance, we generated revenue of $559 million and net profit of $133 million; the

strongest half in the Company's history. The Hemco expansion is advancing on schedule, gold

and silver recoveries are improving, and the Porvenir prefeasibility study is delivering compelling

economics. We are executing with discipline and are well positioned for the next phase of Mineros'

growth.”

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“We also took deliberate steps this quarter to strengthen our balance sheet through an allocation

to physical gold and gold-backed receivables, ending the period with gold-backed assets

equivalent to 42,221 ounces of gold. This position reflects our view that gold remains an effective

long-term store of value in the current macroeconomic environment. We regard it as a natural

extension of our capital management framework, one that reinforces our identity as a gold

producer and aligns our treasury with the interests of shareholders who invest in Mineros for

exposure to the gold sector.”

Dividends declared

On March 27, 2026, Mineros held the Ordinary M eeting of the General Shareholders’ Assembly

(“the Assembly”). During the session, the Assembly approved the distribution of the Company’s

profits in the form of a dividend. Shareholders are entitled to receive payment of an annual

ordinary dividend of US$0.10 per common share they hold, payable in four equal quarterly

installments of US$0.025, which is equivalent to a total distribution of US$29,578,052, payable

quarterly on April 27, July 21, October 19, 2026, and January 18, 2027.

The record and payment dates for the next dividends payments are set out below:

Record Date Payment Date

Amount per Share

($)

Amount per Share

(COP$)(1)

Ordinary Dividend July 13, 2026 July 21, 2026 0.025 102.51

October 9, 2026 October 19, 2026 0.025 102.51

January 8, 2027 January 18, 2027 0.025 102.51

(1) U.S. dollar amounts 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, 2025,

of $1.00 = approximately COP$4,100.54.

Payment of each dividend amount will be made on each payment date in U.S. dollars, which may

in some cases be converted into local currency at the foreign exchange rate on the date of

payment.

The approved dividend is consistent with the Company’s dividend policy, which provides for the

distribution of at least 15% of the net income of the prior fiscal year, provided that doing so is

consistent, in management’s good-faith judgment, with maximizing the long-term value of the

Company.

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Subsequent events

Expansion of the repurchase program

On July 14, 2026, Mineros held an extraordinary Meeting of the General Shareholders’ Assembly

(“the Assembly”). The General Shareholders Assembly approved an expansion of the

Company’s share repurchase program to up to US$175 million, together with a corresponding

increase in the reserve for share repurchases to US$175 million, charged to the reserves of the

Company that are available for distribution.

The expanded program is executable until March 27, 2029, through one or more repurchase

offers. It may be executed in the Colombian market, through the transactional systems of the

Colombian Stock Exchange (BVC) or an independent mechanism, and/or in the Canadian market,

through the Toronto Stock Exchange (TSX) or any other mechanism permitted by applicable

Canadian law and TSX rules, individually or concurrently, as determined by the Board of Directors.

Share Buyback Program Execution

During the period from July 1, 2026 to August 4, 2026 the Company continued the execution of

its share buyback program, repurchasing an aggregate total of 1,320,622 common shares across

independent and concurrent programs in Canadian and Colombian capital markets and according

to their respective regulations for a total consideration of $6,395. Total repurchases under the

program approved at the General Assembly on March 30, 2026, reached 5,404,119 shares,

representing an aggregate total of $24,484.

Repurchase agreement transaction for working capital purposes

On July 21, 2026, Mineros Switzerland AG entered into a repurchase agreement transaction for

working capital purposes. Under this facility, the Company received net cash proceeds of $18,500

with a gross loan amount of $20,453. The transaction is secured by 5,100 ounces of gold, valued

at a spot price of US$4,010 per ounce as of the transaction date.The repurchase agreement has

a tenure of 185 days, with a maturity date of January 22, 2027.

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On July 24, 2026, the company entered into a loan agreement with a financial institution and

received proceeds of US$7 million.The purpose of this financing is to strengthen the Company’s

working capital position.

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The following table summarizes the financial highlights for the three and six months ended June

30, 2026 and 2025.

Three Months Ended

On

June 30,

Variation Six Months Ended

June 30, Variation

2026 2025 $ % 2026 2025 $ %

Revenue

266,978

182,403 84,575 46 % 558,788 342,963

215,825

63 %

Cost of sales

(169,724)

(107,442) (62,282) 58 %

-320,461

-203,844

116,617

57 %

Gross Profit 97,254 74,961 22,293 30 % 238,327 139,119 99,208 71%

Net Profit for the period 45,133 43,501 1,632 4 % 132,819 81,508 51,311 63 %

Basic and diluted earnings per share

($) 0.15 0.15 0.01 4 % 0.45 0.28 0.17 62%

Average realized price per ounce of

gold sold ($)1 4,290 3,313 977 29% 4,530 3,096 1,434 46 %

Cash Cost per ounce of gold sold ($)1 2,204 1,671 532 32% 2,104 1,554 550 35%

AISC per ounce of gold sold ($)1 2,458 1,940 518 27% 2,348 1,812 536 30%

Adjusted EBITDA1

107,885

82,278 25,607 31 % 260,475 153,578

106,896

70 %

Operating cash flow before strategic

gold purchases

115,849

59,820 56,029 94% 79,250 71,454 7,796 11%

Net cash flows provided by (used in)

operating activities 28,878 59,820 (30,942) (52%) -30,758 71,454

-102,212

(143%)

Net free cash flow1

101,951

45,121 56,830 126% 53,044 44,041 9,003 20%

ROCE1 62 % 44 % 18 % 40% 62 % 44 % 18 % 40%

Net Cash 1

110,106

84,043 26,063 31% 110,106 84,043 26,063 31%

Dividends paid 7,370 7,473 -103 (1) % 14,745 14,949 -204 (1%)

1. Average realized price per ounce of gold sold, Cash Cost per ounce of gold sold, AISC per ounce of gold sold, Adjusted EBITDA,

net free cash flow and Net Cash are non-IFRS financial measures, and ROCE is a non-IFRS ratio, with no standardized meaning

under IFRS, and therefore may not be comparable to similar measur es presented by other issuers. For further information and

detailed reconciliations to the most di rectly comparable IFRS measures, see Section 10 – Non-IFRS and Other Financial

Measures in this MD&A

Financial Summary for the three months ended June 30, 2026

• Revenue increased by 46% to $266,978 during the second quarter of 2026, compared with

$182,403 in the second quarter of 2025. This growth was primarily driven by a 29% increase in

the average realized gold price, an 11% rise in ounces sold and an increase of 283% in silver

sales, equivalent to $6,858. Gold sales totaled $255,829 at an average realized price of $4,290

per ounce, up from $178,573 at an average realized price of $3,313 per ounce in the second

quarter of 2025.