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Jaguar Delivers Strong Adjusted Earnings and Strategic Production Restart of MTL (Turmalina Mine) in Q1 2026 __________________________________________________________________________________________

Corporate Updates

Jaguar Delivers Strong Adjusted Earnings and Strategic Production Restart of MTL (Turmalina

Mine) in Q1 2026

__________________________________________________________________________________________

Toronto, May 13, 2026 – Jaguar Mining Inc. ("Jaguar" or the "Company") (TSX:JAG, OTCQX:JAGGF) is

pleased to report its financial and operational results for the first quarter ended March 31, 2026. The Company

achieved a significant turnaround in profitability, driven by record gold prices and a consistent performance at the

Pilar Mine, while successfully navigating the regulated restart of the MTL Complex (Turmalina).

The interim condensed consolidated financial statements for the quarter ended March 31, 2026 and

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.

First Quarter 2026 Highlights

• Adjusted Earnings Growth: Delivered Adjusted Net Income1 of $10.3 million ($0.12 per share),

demonstrating strong underlying profitability in a record gold price environment. Net income for the

quarter was $4.7 million, overcoming non-recurring restoration costs and non-cash foreign exchange

fluctuations.

• Revenue Surge: Revenue increased 63% to $44.6 million, compared to $27.3 million in Q1 2025,

supported by a 71% increase in the average realized gold price 1 to $4,875 per ounce.

• Strategic Production Restart: Consolidated gold production totaled 9,630 ounces. This includes a

consistent performance from the Pilar Mine (8,776 oz) and the successful initial 22 days of production

from the MTL Complex restart (854 oz), which provides a foundation for the planned pr oduction ramp-up

throughout the remainder of 2026.

• Robust Free Cash Flow1: The Company generated $10.1 million in Free Cash Flow 1 ($1,104 per ounce

sold), further strengthening its cash position to $71.2 million. This liquidity supports the self -funding of the

2026 exploration program and the upcoming Santa Isabel mine restart.

• Normalized Cost Profile: Cash operating costs were $14.3 million ($1,565/oz). All-in sustaining costs1

(AISC) were $2,412 per ounce. Excluding one-time expenses related to the final stages of the Satinoco

event restoration ($5.9 million), the Company’s core operating margins remain exceptionally healthy.

• Exploration Momentum: Exploration drilling (6,018 meters) continued at pace, albeit with assay results

pending at the Chamé target, reinforcing the Company’s strategy to convert its promising gold

endowment into Mineral Reserves, which have already increased 12% to 858,000 2 ounces.

Luis Albano Tondo, CEO of Jaguar stated: “Jaguar has entered 2026 with a clear focus on operational

excellence and balance sheet strength. Generating $10 million in free cash flow this quarter allowed us to self -

fund critical exploration and the restart of our Turmalina operations. As we progress through the year, our focus

remains on scaling production, managing our cost profile as restoration activities conclude, and converting our

significant gold endowment into sustainable production growth.”

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

2 Total Mineral Reserves and Mineral Resources were disclosed in the Company’s Technical Reports and Mineral Reserve and Minera l

Resource (“MRMR”) news releases issued on March 31, 2026

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JAGUAR MINING INC.

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

First Quarter 2026 Results

($ thousands, except where indicated) Three months ended

March 31

2026 2025

Financial Data

Revenue $ 44,593 $ 27,289

Operating costs 14,315 10,549

Depreciation 2,359 2,776

Gross profit 27,919 13,964

Net income (loss) 4,653 (1,611)

Per share ("EPS") 0.05 (0.02)

Adjusted Net income 1,3 10,316 3,713

Adjusted EPS 1,3 0.12 0.05

EBITDA 12,503 3,060

Adjusted EBITDA 1,2 23,746 14,683

Adjusted EBITDA per share 1,2 0.28 0.19

Cash operating costs (per ounce sold) 1 1,565 1,105

All-in sustaining costs (per ounce sold)1 2,412 1,724

Average realized gold price (per ounce)1 4,875 2,845

Cash generated from operating activities 14,867 (259)

Free cash flow1 10,097 (2,900)

Free cash flow (per ounce sold)1 1,104 (304)

Sustaining capital expenditures1 4,854 3,262

Non-sustaining capital expenditures1 6,465 933

Total capital expenditures 11,319 4,195

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 foreign exchange, stock-based compensation, fair value adjustments and write downs.

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

3 For Q1 2026, net income was adjusted by $5.7 million to exclude certain non-recurring items and their related income tax impacts. These

adjustments consisted of: (i) $5.9 million of Satinoco incident expenses incurred in Q1 2026; (ii) a $1.6 million gain related to fair value

adjustments of short-term investments in Q1 2026; and (iii) $1.3 million of income tax expense associated with these items. For Q1 2025,

adjusted net income excluded $5.3 million of non-recurring items, which primarily related to Satinoco incident expenses and gains on

short-term investments.

Three months ended

March 31

2026 2025

Operating Data

Gold produced (ounces) 9,630 9,923

Gold sold (ounces) 9,147 9,544

Primary development (metres) 424 438

Secondary development (metres) 851 854

Definition, infill, and exploration drilling (metres) 6,018 5,439

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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 and Non-Sustaining Capital expenditures1

($ thousands) Three months ended

March 31

2026 2025

Sustaining capital1

Primary development $ 3,161 $ 1,688

Exploration - Brownfield 304 231

Mine-site sustaining 968 1,160

Other sustaining capital 421 183

Total sustaining capital1 4,854 3,262

Non-sustaining capital (including capital projects)1

Mine-site non-sustaining $ 6,427 $ 457

Others non-sustaining capex 38 476

Total non-sustaining capital1 6,465 933

Total capital expenditures $ 11,319 $ 4,195

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.

4

JAGUAR MINING INC.

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

Reconciliation of Free Cash Flow1

($ thousands, except where indicated) Three months ended

March 31

2026 2025

Cash generated from (used in) operating activities $ 14,867 $ (259)

Adjustments

Asset Retirement Obligation 84 621

Sustaining capital expenditures2 (4,854) (3,262)

Free cash flow $ 10,097 $ (2,900)

Ounces of gold sold 9,147 9,544

Free cash flow per ounce sold $ 1,104 $ (304)

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

March 31

2026 2025

Operating costs $ 14,315 $ 10,549

General & administration expenses3 2,578 2,477

Corporate stock-based compensation 593 3

Sustaining capital expenditures¹ 4,854 3,262

All-in sustaining cash costs 22,340 16,291

Reclamation (operating sites) (280) 160

All-in sustaining costs $ 22,060 $ 16,451

Non-sustaining capital expenditures 6,465 933

Exploration and evaluation costs (greenfield) 715 395

Reclamation (non-operating sites) 364 461

Care and maintenance (non-operating sites)4 1,050 224

All-in costs $ 30,654 $ 18,464

Ounces of gold sold 9,147 9,544

Cash operating costs per ounce sold² $ 1,565 $ 1,105

All-in sustaining costs per ounce sold² $ 2,412 $ 1,724

All-in costs per ounce sold² $ 3,351 $ 1,935

Average realized gold price $ 4,875 $ 2,845

Cash operating margin per ounce sold $ 3,310 $ 1,740

All-in sustaining margin per ounce sold $ 2,463 $ 1,121

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. Result may not calculate due to rounding.

3 Excludes G&A expenses related to Onças de Pitangui (Q1 2026: $50; Q1 2025: $24), classified as exploration and evaluation costs, and

$1,235 of non-recurring bonus provisions in Q1 2026. No bonus provision was recorded in Q1 2025.

4 Includes 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 EBITDA 1

($ thousands, except where indicated) Three months ended

March 31

2026 2025

Net income (loss) $ 4,653 $ (1,611)

Income tax expense 2,065 594

Finance costs 3,381 1,266

Depreciation and amortization 2,404 2,811

EBITDA1 $ 12,503 $ 3,060

Legal, recoverable tax and other provisions expenses 500 406

Satinoco event 5,936 5,754

Foreign exchange loss 5,766 5,890

Stock-based compensation 593 3

Financial instruments gain (1,552) (430)

Adjusted EBITDA1 $ 23,746 $ 14,683

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

Working Capital1

($ thousands)

March 31 December 31

2026 2025

Cash and cash equivalents $ 71,246 $ 66,526

Non-cash working capital

Other current assets:

Short term investment 7,860 9,883

Restricted cash 811 812

Inventory 18,258 16,011

Recoverable taxes 2,104 2,235

Other accounts receivable 124 834

Prepaid expenses and advances 1,976 1,284

Current liabilities:

Accounts payable and accrued liabilities (25,744) (19,976)

Notes payable (6,208) (6,112)

Lease liabilities (1,603) (383)

Current tax liability (1,283) -

Other taxes payable - -

Reclamation provisions (10,199) (9,643)

Warrant liabilities (347) (378)

Legal and other provisions (34,250) (36,099)

Working capital¹ $ 22,745 $ 24,994

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 (CEO) and Eric Duarte (VP, Operations), both "qualified persons" and employees of Jaguar Mining

Inc., who are "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 42,000 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 Mining Complex (Turmalina mine and plant) and

Caeté Mining Complex (Pilar and Roça Grande mines, and Caeté plant). Th e Roça Grande mine has been on

temporary care and maintenance since April 2019. The Company also owns the Paciência Mining Complex

(Santa Isabel mine and plant), which had been on care and maintenance since 2012 and is planned 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]

Naomi Nemeth

Vice President Investor Relations

Jaguar Mining Inc.

[email protected]

+1 647 882 4257

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," "estimate,"

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

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JAGUAR MINING INC.

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

"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, 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 production, 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, 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 expectations 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 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

environmental 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, if 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 forward-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.