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Jaguar Mining Reports Solid Third Quarter 2025 Financial Results Driven BY Strong GOLD Prices and Pilar Performance

Financials

JAGUAR MINING REPORTS SOLID THIRD QUARTER 2025 FINANCIAL RESULTS DRIVEN BY

STRONG GOLD PRICES AND PILAR PERFORMANCE

__________________________________________________________________________________________

Toronto, November 6, 20 25 – Jaguar Mining Inc. ("Jaguar" or the "Company") (TSX:JAG,

OTCQX:JAGGF) today filed its third quarter results, the highlights of which are included in this news release. The

interim condensed consolidated financial statements for the quarter ended September 30, 2025 and the

accompanying management's discussion and analysis , can be accessed by visiting the Company's website at

https://jaguarmining.com or its profile page on SEDAR+ at www.sedarplus.ca. All figures are in US Dollars, unless

otherwise expressed.

Third Quarter 2025 Highlights

• All financial and operating results for the third quarter reflect contributions solely from the Company’s Pilar mine,

its only operating mine during the period. This compares to the third quarter of 2024, when the Company had

two operating mines: Pilar and Turmalina. The Turmalina mine remains temporarily suspended following a

slump of material at the dry-stack facility that occurred at the MTL complex on December 7, 2024. Rehabilitation

work to ensure the stability of the Satinoco pile is well underway, and the Company currently expects operations

at Turmalina to resume in the first quarter of 2026.

• Gold production for the quarter totalled 10,002 ounces, entirely from the Pilar mine, compared to 16,912

ounces from both Pilar and Turmalina in the third quarter of 2024. This difference reflects the temporary

suspension of operations at the Turmalina mine throughout the quarter.

Pilar continues to deliver a strong operating performance, producing 10,002 ounces of gold from 94,586 tonnes

of ore, with a head grade of 3.68 g/t and a recovery rate of 89%. This compares to 10,433 ounces of gold from

97,000 tonnes of ore, with a head grade of 3.74 g/t and the same recovery rate, produced in the third quarter

of 2024. The modest decrease of 431 ounces year-over-year was mainly due to slightly lower ore processed,

while metallurgical performance remained stable. The lower head grade reflects the natural variability in the

orebody and the specific mining sequence planned for 2025.

• Gold sold for the quarter was 9,799 ounces, compared to 15,726 ounces sold in the third quarter of 2024.

Realized gold price¹ increased to $3,465 per ounce, representing a 40% increase from the $2,474 per ounce

realized in the third quarter of 2024.

• Cash operating costs¹ for the quarter were $1,374 per ounce of gold sold and all-in sustaining costs (AISC)¹

were $2,063 per ounce, representing increases of 25% and 13%, respectively, compared to the third quarter

of 2024. These increases mainly reflect the volume impact of 38% fewer ounces sold year -over-year, which

spread fixed costs over fewer ounces. In addition, the quarter reflected targeted one-time investments, including

the installation of new exhaust -ventilation fans at the Pilar mine, to ensure sufficient airflow to support deeper

mining in the future.

• Revenue for the quarter was $34.0 million, reflecting contributions solely from the Pilar mine, compared to

$38.9 million in the third quarter of 2024, when revenue included ounces produced and sold from both the Pilar

and Turmalina mines. Despite the lower number of ounces sold, the impact on revenue was partially offset by

higher realized gold price year-over year.

• Operating costs for the quarter were $13.5 million, compared to $17.3 million in the third quarter of 2024.

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JAGUAR MINING INC.

1400-25 Adelaide Street East, Toronto Ontario M5C 3A1

• Net income for the quarter was $13.0 million ($0.16 per share), compared to net income of $2.3 million ($0.03

per share) in the third quarter of 2024. The increase mainly reflects an $8.0 million unrealized gain on a short-

term investment and a $3.1 million net expense reversal of legal, recoverable tax, and other provisions.

• Adjusted net income ¹ for the quarter was $7.8 million ($0.10 per share), excluding non-recurring items and

their related tax implication. These adjustments mainly reflect $6.1 million in expenses related to the incident

at the MTL complex, $2.9 million in recoveries from the reversal of a civil litigation provision, $8.0 million in

unrealized gains on short-term investment, and $0.4 million in income tax expenses.

• Free cash flow 1 for the quarter was $8.2 million, compared to $4.8 million in the third quarter of 2024. Free

cash flow is calculated as operating cash flow plus asset retirement obligation expenditures, less sustaining

capital. On a per -ounce basis, free cash flow i ncreased to $835 per ounce of gold sold in the third quarter of

2025 compared to $306 per ounce of gold sold in the third quarter of 2024.

Cash position and working capital¹

• As of September 30, 2025, the Company had cash and cash equivalents of $52.0 million, a 12% increase from

$46.4 million as of December 31, 2024 mainly reflecting the impact of higher realized gold prices. This amount

excludes the net proceeds from the C$28 million bought deal private placement , which closed on October 15,

2025, subsequent to the quarter (see press release dated October 15, 2025, for further details).

• Working Capital as of September 30, 2025 was $11.5 million, compared to working capital of $ 13.7 million as

of December 31, 2024.

Luis Albano Tondo, Chief Executive Officer of Jaguar, commented: “We delivered solid financial results in the

third quarter, with net income of $13.0 million and free cashflow of $8.2 million. This performance was driven by the

steady contribution from our Pilar m ine and a strong realized gold price, which helped mitigate the impact of

operating a single mine during the period. We continued to advance rehabilitation work at Turmalina and remain on

track for its expected restart in the first quarter of 2026. Our focus continues on disciplined management and

maximizing value across our Brazilian portfolio."

______________________

1 This is a non- GAAP financial performance measure with no standard definition under IFRS. For more details, refer to the Non- GAAP

Performance Measures section of the MD&A.

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JAGUAR MINING INC.

1400-25 Adelaide Street East, Toronto Ontario M5C 3A1

Third Quarter 2025 Results

($ thousands, except where indicated) Three months ended Nine months ended

September 30 September 30

2025 2024 2025 2024

Financial Data

Revenue $ 34,009 $ 38,910 $ 97,124 $ 116,266

Operating costs 13,465 17,313 37,093 55,525

Depreciation 3,128 4,941 9,119 19,930

Gross profit 17,416 16,656 50,912 40,811

Net income 12,998 2,304 4,760 18,600

Per share ("EPS") 0.16 0.03 0.06 0.24

Adjusted Net income 1,3 7,774 2,304 24,988 18,600

Adjusted EPS 1,3 0.10 0.03 0.31 0.24

EBITDA 18,227 12,267 20,546 49,442

Adjusted EBITDA 1,2 15,523 19,853 59,808 53,555

Adjusted EBITDA per share 1,2 0.20 0.25 0.75 0.68

Cash operating costs (per ounce sold) 1 1,374 1,101 1,223 1,101

All-in sustaining costs (per ounce sold)1 2,063 1,831 1,844 1,643

Average realized gold price (per ounce)1 3,465 2,474 3,196 2,305

Cash generated from operating activities 7,049 12,751 19,129 41,626

Free cash flow1 8,178 4,807 16,941 23,547

Free cash flow (per ounce sold)1 835 306 559 467

Sustaining capital expenditures1 4,431 9,650 11,410 21,055

Non-sustaining capital expenditures1 8,211 866 13,406 8,510

Total capital expenditures 12,642 10,516 24,816 29,565

1 Average realized gold price, sustaining and non-sustaining capital expenditures, cash operating costs and all-in sustaining costs, free cash flow, EBITDA

and adjusted EBITDA, adjusted net income and adjusted EPS are non-GAAP financial performance measures with no standard definition under IFRS. Refer

to the Non-GAAP Financial Performance Measures section of the MD&A.

2 Adjusted EBITDA excludes non- cash items such as impairment, foreign exchange, stock -based compensation, fair value adjustments on short -term

investments and write downs. For more details refer to the Non-GAAP Performance Measures section of the MD&A.

3 For the three and nine-month periods ended September 30, 2025, Net income was adjusted by $5.2 million and $20.2 million, respectively, to exclude

certain non-recurring items and the income tax implication of said non- recurring items. The non-recurring items excluded are as follows: (i) $6.1 million

and $35.3 million in Satinoco incident expenses in Q3 2025 and YTD 2025, respectively, (ii) $2.9 million and $2.9 million in recoveries from reversals of

civil litigation provisions in Q3 2025 and YTD 2025, respectively, (iv) $8.0 mil lion and $9.0 million unrealized gain on fair value adjustment of short term

investment in Q3 2025 and YTD 2025, respectively, and (iv) $0.4 million and $3.2 million in income tax expenses in Q3 2025 and YTD 2025, respectively.

Adjusted net income for Q3 2024 and year-to-date 2024 do not include provisions of $6.0 million and $6.5 million, respectively.

Three months ended Nine months ended

September 30 September 30

2025 2024 2025 2024

Operating Data

Gold produced (ounces) 10,002 16,912 30,899 49,918

Gold sold (ounces) 9,799 15,726 30,329 50,440

Primary development (metres) 735 1,824 1,802 4,622

Exploration development (metres) - 89 - 567

Secondary development (metres) 1,007 1,411 2,665 3,706

Definition, infill, and exploration drilling (metres) 5,774 10,140 16,968 26,212

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JAGUAR MINING INC.

1400-25 Adelaide Street East, Toronto Ontario M5C 3A1

Non-GAAP Performance Measures

The Company has included the following Non-GAAP performance measures in this document: cash operating costs

per ounce of gold sold, all-in sustaining costs per ounce of gold sold, average realized gold price (per ounce of gold

sold), sustaining capital expenditures, non-sustaining capital expenditures, adjusted operating cash flow, free cash

flow, earnings before interest, taxes, depreciation and amortization (EBITDA), adjusted EBITDA and working

capital. These Non-GAAP performance measures do not have any standardized meaning prescribed by IFRS and,

therefore, may not be comparable to similar measures presented by other companies.

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

investors use this information to evaluate the Company’s performance. Accordingly, they are 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. More specifically, Management believes that these figures are a useful indicator

to investors and management of a mine’s performance as they provide: (i) a measure of the mine’s cash margin

per ounce, by comparison of the cash operating costs per ounce to the price of gold; (ii) the trend in costs as the

mine matures; and (iii) an internal benchmark of performance to allow for comparison against other mines. The

definitions of these performance measures and reconciliation of the Non- GAAP measures to reported IFRS

measures are outlined below.

Reconciliation of sustaining capital to non-sustaining capital expenditures1

($ thousands) Three months ended Nine months ended

September 30 September 30

2025 2024 2025 2024

Sustaining capital1

Primary development $ 2,255 $ 7,358 $ 6,435 $ 15,202

Brownfield exploration 146 358 578 998

Mine-site sustaining 1,704 1,832 3,684 4,545

Other sustaining capital2 326 102 713 310

Total sustaining capital 1 4,431 9,650 11,410 21,055

Non-sustaining capital (including capital projects)1

Mine-site non-sustaining 3 2,596 (840) 4,099 5,534

Asset retirement obligation - non-sustaining2 5,560 1,706 9,222 2,976

Other non-sustaining capital1 55 - 85 -

Total non-sustaining capital 1 8,211 866 13,406 8,510

Total capital expenditures $ 12,642 $ 10,516 $ 24,816 $ 29,565

1 Sustaining and non-sustaining capital are non-GAAP financial measures with no standard definition under IFRS. Refer to the non-GAAP Financial

Performance Measures section of the MD&A. Capital expenditures are included in the calculation of all-in sustaining costs and all-in costs.

2 Asset retirement obligation - non-sustaining is related to expenditures with dam closing projects. Payments related to the Company asset retirement

obligation are classified as operating activities in accordance with IFRS financial measures.

3 For the three and nine month period ended September 30, 2025 Mine-site non sustaining includes $570 related to land acquired as part of the

indemnization and $935 land acquired to 'Esperança' TSF. Both expenditures are related to resumption of MTL operations. Q3 2024 and YTD 2024 $nil.

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JAGUAR MINING INC.

1400-25 Adelaide Street East, Toronto Ontario M5C 3A1

Reconciliation of Free Cash Flow1

($ thousands, except where indicated) Three months ended Nine months ended

September 30 September 30

2025 2024 2025 2024

Cash generated from operating activities $ 7,049 $ 12,751 $ 19,129 $ 41,626

Adjustments

Asset Retirement Obligation 5,560 1,706 9,222 2,976

Sustaining capital expenditures2 (4,431) (9,650) (11,410) (21,055)

Free cash flow $ 8,178 $ 4,807 $ 16,941 $ 23,547

Ounces of gold sold 9,799 15,726 30,329 50,440

Free cash flow per ounce sold $ 835 $ 306 $ 559 $ 467

1 This is a non-GAAP financial performance measure with no standard definition under IFRS.

2 Further details on the sustaining capital expenditures composition can be found on the reconciliation of sustaining capital and non- sustaining capital

expenditures in the non-GAAP reconciliation.

Reconciliation of Cash Operating Costs, All-In Sustaining Costs and All-In Costs per Ounce Sold1

($ thousands, except where indicated) Three months ended Nine months ended

September 30 September 30

2025 2024 2025 2024

Operating costs $ 13,465 $ 17,313 $ 37,093 $ 55,525

General & administration expenses 3 2,198 1,755 6,749 5,651

Corporate stock-based compensation 159 6 777 442

Sustaining capital expenditures¹ 4,431 9,650 11,410 21,055

All-in sustaining cash costs 20,253 28,724 56,029 82,673

Reclamation (operating sites) (36) 64 (92) 208

All-in sustaining costs $ 20,217 $ 28,788 $ 55,937 $ 82,881

Non-sustaining capital expenditures 1,146 866 2,679 8,510

Exploration and evaluation costs (greenfield) 687 510 1,725 1,470

Reclamation (non-operating sites) 4,483 (59) 5,789 (125)

Care and maintenance (non-operating sites) 4 9,847 166 27,961 506

All-in costs $ 36,380 $ 30,271 $ 94,091 $ 93,242

Ounces of gold sold 9,799 15,726 30,329 50,440

Cash operating costs per ounce sold² $ 1,374 $ 1,101 $ 1,223 $ 1,101

All-in sustaining costs per ounce sold² $ 2,063 $ 1,831 $ 1,844 $ 1,643

All-in costs per ounce sold² $ 3,713 $ 1,925 $ 3,102 $ 1,849

Average realized gold price $ 3,465 $ 2,474 $ 3,196 $ 2,305

Cash operating margin per ounce sold $ 2,091 $ 1,373 $ 1,973 $ 1,204

All-in sustaining margin per ounce sold $ 1,402 $ 643 $ 1,352 $ 662

1 Capital expenditures are included in our calculation of all-in sustaining costs and all-in costs.

2 Cash operating costs, all- in sustaining costs and all -in costs are all non -GAAP financial performance measures with no standard definition under

IFRS. Results may not calculate due to rounding.

3 Does not include G&A expenses related to Onças de Pitangui (Q3 2025: $119 and YTD 2025: $167; Q3 2024 and YTD 2024 $nil).

4 Includes care and maintenance for Turmalina (resumption expenses, disbursements related to environmental and communities and land acquired as

part of the indemnization and another one acquired as part of 'Esperança' TSF) and care and maintenance costs for Paciência and Roça Grande mines.

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JAGUAR MINING INC.

1400-25 Adelaide Street East, Toronto Ontario M5C 3A1

Reconciliation of Net Income to EBITDA and Adjusted EBITDA1

($ thousands, except where indicated) Three months ended Nine months ended

September 30 September 30

2025 2024 2025 2024

Net income (loss) $ 12,998 $ 2,304 $ 4,760 $ 18,600

Income tax expense 1,135 3,401 2,266 7,923

Finance costs 934 1,588 4,298 2,889

Depreciation and amortization 3,160 4,974 9,222 20,030

EBITDA1 $ 18,227 $ 12,267 $ 20,546 $ 49,442

Changes in other provisions and VAT taxes (3,050) 7,061 403 7,878

Satinoco event 6,127 - 35,333 -

Foreign exchange loss (gain) 2,108 519 11,783 (4,207)

Stock-based compensation 159 6 777 442

Financial instruments (gain) (8,048) - (9,034) -

Adjusted EBITDA1 $ 15,523 $ 19,853 $ 59,808 $ 53,555

Weighted average outstanding shares 79,313,603 79,236,709 79,343,786 79,132,709

Adjusted EBITDA per share1 $ 0.20 $ 0.25 $ 0.75 $ 0.68

1 This is a non-GAAP financial performance measure with no standard definition under IFRS.

Working capital1

($ thousands)

September 30 December 31

2025 2024

Cash and cash equivalents $ 52,008 $ 46,357

Other current assets:

Short term investment 10,896 1,438

Restricted cash 853 923

Inventory 15,617 15,343

Recoverable taxes 2,268 3,933

Other accounts receivable 55 328

Prepaid expenses and advances 1,048 2,226

Current liabilities:

Accounts payable and accrued liabilities (21,140) (15,803)

Notes payable (6,077) (3,044)

Lease liabilities (924) (1,363)

Current tax liability (7) (1,422)

Other taxes payable - (487)

Reclamation provisions (12,289) (8,585)

Legal and other provisions (30,778) (26,174)

Working capital¹ $ 11,530 $ 13,670

1 This is a non-GAAP financial performance measure with no standard definition under IFRS.

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JAGUAR MINING INC.

1400-25 Adelaide Street East, Toronto Ontario M5C 3A1

Qualified Person

Scientific and technical information contained in this press release has been reviewed and approved by Luis Albano

Tondo, BSc Mining Eng, MEngSc, MBA, FAusIMM , who is also the CEO of Jaguar Mining Inc. and is a "qualified

person" as defined by National Instrument 43-101 - Standards of Disclosure for Mineral Projects ("NI 43-101").

The Iron Quadrangle

The Iron Quadrangle has been an area of mineral exploration dating back to the 16th century. The discovery in

1699–1701 of gold contaminated with iron and platinum- group metals in the southeastern corner of the Iron

Quadrangle gave rise to the name of the town Ouro Preto (Black Gold). The Iron Quadrangle contains world- class

multi-million-ounce gold deposits such as Morro Velho, Cuiabá, and São Bento. Jaguar holds the second largest

gold land position in the Iron Quadrangle with over 46,000 hectares.

About Jaguar Mining Inc.

Jaguar Mining Inc. is a Canadian- listed junior gold mining, development, and exploration company operating in

Brazil with three gold mining complexes and a large land package with significant upside exploration potential from

mineral claims. The Company's principal operating assets are located in the Iron Quadrangle, a prolific greenstone

belt in the state of Minas Gerais and include the MTL complex (Turmalina mine and plant) and Caeté complex (Pilar

and Roça Grande mines, and Caeté plant). The Roça Grande mine has been on temporary care and maintenance

since April 2019. The Company also owns the Paciência complex (Santa Isabel mine and plant), which had been

on care and maintenance since 2012 and is under review to restart in 2026. Additional information is available on

the Company's website at www.jaguarmining.com.

For further information please contact:

Luis Albano Tondo

Chief Executive Officer

Jaguar Mining Inc.

[email protected]

+55 31-99959-6337

Marina de Freitas

Interim Chief Financial Officer

[email protected]

+55 31-98463-5344

Forward-Looking Statements

Certain statements in this news release constitute "forward-looking information" within the meaning of applicable Canadian

securities legislation. Forward-looking statements and information are provided for the purpose of providing information about

management's expectations and plans relating to the future. All of the forward-looking information made in this news release is

qualified by the cautionary statements below and those made in our other filings with the securities regulators in Canada.

Forward-looking information contained in forward-looking statements can be identified by the use of words such as "are

expected," "is forecast," "is targeted," "approximately," "plans," "anticipates," "projects," "anticipates," "continue," "est imate,"

"believe" or variations of such words and phrases or statements that certain actions, events or results "may," "could," "would,"

"might," or "will" be taken, occur or be achieved. All statements, other than statements of historical fact, may be considered to

be or include forward-looking information. This news release contains forward-looking information regarding, among other

things, the duration of the temporary suspension of the Company’s MTL complex in the wake of the slump at its Satinoco dry

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JAGUAR MINING INC.

1400-25 Adelaide Street East, Toronto Ontario M5C 3A1

tailings pile, the cost and timing of resuming operations at the MTL complex, the Company’s ability to advance and complete its

plan to resume operations at the MTL complex in accordance with (and as contemplated by) the above, the future stability of

the tailings pile in question and safety of the Turmalina mine, the amount, timing and payment terms of any fines imposed on

the Company, as well as any costs and damages arising from any civil or criminal lawsuits, resulting from the tailings pile slump,

management's expectations regarding potential outcomes of any ongoing legal matters relating to the tailings pile slump,

management’s expectations regarding the Company’s response to the tailings pile slump and the Company’s recovery and

remediation efforts at the MTL complex, any information and statements related to future operations at any of the Company’s

properties, including Pilar and Turmalina, any information and statements related to expected growth, sales, production

statistics, ore grades, tonnes milled, recovery rates, cash operating costs, definition/delineation drilling, the timing and amount

of estimated future production, costs of produc tion, capital expenditures, costs and timing of the development of projects and

new deposits, success of exploration, development and mining activities, currency fluctuations, capital requirements, project

studies, mine life extensions, restarting suspended or disrupted operations, continuous improvement initiatives, and resolution

of pending litigation. The Company has made numerous assumptions with respect to forward-looking information contained

herein, including, among other things, assumptions about th e future and long-term stability of the Satinoco tailings pile; there

will be no unforeseen adverse weather events or other external factors that could delay the Company’s recovery or remediation

efforts; the current assumptions regarding the extent of the damage and timeline for repairs at the MTL complex remain accurate

and will not require significant revision as further assessments are completed; the estimated timeline for recommencing

operations at the MTL complex; the estimated timeline for the development of the Company’s mineral properties; the supply and

demand for, and the level and volatility of the price of, gold; the accuracy of reserve and resource estimates and the assumptions

on which the reserve and resource estimates are based; the receipt of necessary permits; market competition; ongoing relations

with employees and impacted communities; political and legal developments in any jurisdiction in which the Company operates

being consistent with its current expec tations including, without limitation, the impact of any potential power rationing, tailings

facility regulation, exploration and mine operating licenses and permits being obtained and renewed and/or there being adverse

amendments to mining or other laws in Brazil and any changes to general business and economic conditions. Forward-looking

information involves a number of known and unknown risks and uncertainties, including among others: the risk of Jaguar not

meeting the timelines and achieving the milestones outlined above regarding the Company’s current plan and process for

resuming operations at the MTL complex, the risk of Jaguar not meeting the forecast plans regarding its operations and financial

performance; uncertainties with respect to the price of gold, labour disruptions, mechanical failures, increase in costs,

environmental compliance and change in enviro nmental legislation and regulation, weather delays and increased costs or

production delays due to natural disasters, power disruptions, procurement and delivery of parts and supplies to the operations;

uncertainties inherent to capital markets in general (including the sometimes volatile valuation of securities and an uncertain

ability to raise new capital) and other risks inherent to the gold exploration, development and production industry, which, i f

incorrect, may cause actual results to differ materially from those anticipated by the Company and described herein. In addition,

there are risks and hazards associated with the business of gold exploration, development, mining and production, including

environmental hazards, tailings dam failures, industrial accidents and workplace safety problems, unusual or unexpected

geological formations, pressures, cave-ins, flooding, chemical spills, procurement fraud and gold bullion thefts and losses (and

the risk of inadequate insurance, or the inability to obtain insurance, to cover these risks). Accordingly, readers should not place

undue reliance on forward-looking information.

For additional information with respect to these and other factors and assumptions underlying the forward-looking information

made in this news release, see the Company's most recent Annual Information Form and Management's Discussion and

Analysis, as well as other public disclosure documents that can be accessed under the issuer profile of "Jaguar Mining Inc." on

SEDAR+ at www.sedarplus.com . The forward- looking information set forth herein reflects the Company's reasonable

expectations as at the date of this news release and is subject to change after such date. The Company disclaims any intention

or obligation to update or revise any forwar d-looking information, whether as a result of new information, future events or

otherwise, other than as required by law. The forward- looking information contained in this news release is expressly qualified

by this cautionary statement.