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JAGUAR MINING REPORTS STRONG THIRD QUARTER PRODUCTION WITH 24,093 GOLD OUNCES Continued Consecutive Quarter-Over-Quarter Increase in Production Exploration Program Advancing in the Iron Quadrangle __________________________________________________________________________________________

Production Results

October 13, 2020 NEWS RELEASE

FOR IMMEDIATE RELEASE TSX: JAG

JAGUAR MINING REPORTS STRONG THIRD QUARTER PRODUCTION

WITH 24,093 GOLD OUNCES

Continued Consecutive Quarter-Over-Quarter Increase in Production

Exploration Program Advancing in the Iron Quadrangle

__________________________________________________________________________________________

Toronto, October 13, 2020 – Jaguar Mining Inc. ("Jaguar" or the "Company") (TSX: JAG) today announced

interim gold production results for the third quarter of 2020 (“Q3 2020”). The Company is pleased to announce that

it continues to show consistent quarter-over-quarter operational improvement at the Pilar Gold Mine (“Pilar”) and

Turmalina Gold Mine (“Turmalina”) located in Minas Gerais, Brazil . Financial results for Q3 2020 will be reported

and filed on SEDAR on or before November 10, 2020. All figures are in US Dollars, unless otherwise expressed.

Vern Baker, CEO, commented: “We continue to see steady progres s toward our goal of sustainable production of

25,000 ounces a quarter. Pilar has demonstrated strong performance with its second consecutive quarter with over

13,000 ounces of gold produced. Turmalina made a step forward in its quarterly production with 10,300 gold ounces

produced, its highest production quarter in three years. Overall, gold production increased 25% in the third quarter

compared to the same quarter in 2019 and steadily increased 3.0% compared to the second quarter production of

23,483 ounces, demonstrating an impressive sixth consecutive quarter of increased production. We believe Jaguar

is making steady strides to build the foundation of a strong company. Our quarterly production of 24,093 gold

ounces combined with 2,701 development meters and 18,054 meters of diamond drilling demonstrate a strong

company performance on all key production aspects of our plan. I pers onally would like to thank all our team

members for their continued commitment to Jaguar.”

Q3 2020 Operating Highlights

• Consolidated gold production increased 25 % with 24,093 ounces compared to 19,324 ounces in Q3 2019,

demonstrating the sixth consecutive quarter of increase in sustainable production. Grade also increased to 4.40

g/t compared to 3.30 g/t in Q3 2019;

• Pilar gold production increased 24% and set a new production record with 13,724 ounces compared to 11,044

ounces in Q3 2019;

• Turmalina gold production increased 25% with 10,370 ounces, compared to 8,280 ounces in Q3 2019;

• Total development metres increased 7% to 2, 701 metres compared to 2, 527 metres in Q3 2019. Primary

development meters increased 3 6% to 2,068 metres compared to 1,516 metres in Q3 2019. Secondary

development meters decreased 37% to 633 metres compared to 1,011 metres in Q3 2019;

• Total definition, infill and exploration drilling increased 130% to 18,054 metres compared to 7,841 metres in Q3

2019. The additional drilling is expected to allow Jaguar to continue expanding Mineral Resources in 2020;

• Strong treasury position as of September 30, 2020, with cash of $3 9 million compared to cash of $30 million

on June 30, 2020, demonstrating significant generation of free cash flow.

o During the quarter, the Company also paid a dividend of $4.4 million, purchased $0.5 million of shares

through the Normal Course Issuer Bid program and paid down bank debt of $0.6 million.

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JAGUAR MINING INC.

First Canadian Place, 100 King Street West, 56th Floor, Toronto, Ontario, Canada M5X 1C9 T: 416-847-1854

Vern continued; “As well as showing strong production numbers, our team has also begun investing strategically in

our future. Both the Exploration Team and our Project Development Team began the next phase of growth at

Jaguar. The exploration team has started surface diamond drilling to begin testing some of our many targets

developed in and around our mining operations over the past few years. Drilling was done on our Faina deposit (on

the Turmalina Property) to provide metallurgical samples to help our Project Team with planning. Drilling was

initiated on our Zonal Basal exploration target, also near Turmalina, where we were on our eighth hole by the end

of the quarter. Drilling was also initiated on the Pilarzinho property, near the Pilar Mine, and the third hole was in

progress at month end. Project Development team efforts have begun by focusing on formerly active pro perties

that we hold, and that have known gold occurrences on them. We also concluded an agreement for a JV with

IAMGOLD on an additional group of properties in the Iron Quadrangle. The team has begun evaluating all available

information on these properties, and started a drone operated geophysical survey over some very promising areas

of the JV properties.”

The table below summarizes Q3 2020 operating results compared to Q3 2019:

The following graph demonstrate Jaguar’s consistent growth in production to sustainable levels:

Turmalina Pilar Total Turmalina Pilar Total

Tonnes milled (t) 81.000 111.000 192.000 94.000 114.000 208.000

Average head grade (g/t) 4,40 4,39 4,40 3,05 3,50 3,30

Recovery % 90,2% 87,7% 88,8% 89,6% 86,3% 87,8%

Gold ounces

Produced (oz) 10.370 13.724 24.093 8.280 11.044 19.324

Sold (oz) 10.462 12.473 22.935 7.399 10.018 17.417

Development

Primary (m) 1.217 851 2.068 1.001 515 1.516

Secondary (m) 256 377 633 436 575 1.011

Definition, infill, and exploration

drilling (m) 11.006 7.048 18.054 4.090 3.751 7.841

Q3 2019

Quarterly Summary

Q3 2020

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JAGUAR MINING INC.

First Canadian Place, 100 King Street West, 56th Floor, Toronto, Ontario, Canada M5X 1C9 T: 416-847-1854

Vern also commented on the current issues surrounding the COVID -19 (“CV-19”) pandemic and the Company’s

CV-19 Action Plan, which was initiated on March 14, 2020; “During the third quarter we had an increase in the

number of CV-19 cases, but our people were able to adapt and adjust to minimize the impact . The majority of the

cases occurred in August and were predominantly at the Turmalina Mine . In total, across the c ompany (including

third party employees) just under 3% had been confirmed with CV -19. As of September 30, 2020, all our people

who had been confirmed with the virus had completed quarantine periods and returned to work. We continue to

monitor our CV-19 Action Plan, which includes our first wave of relaxation of restrictions in October 2020. The first

step is to allow employees to move between sites. This will provide additional flexibility and strengthen support for

our operating teams.”

Risks and Mitigating Factors

Jaguar is maintaining its social licenses to operate in all sites throughout Brazil and continues to deliver on its ethical

and collaborative partnerships with employees, suppliers, local communities and unions. During this COVID -19

pandemic, the Company has formulated a formal COVID -19 Action Plan which has been adopted company -wide.

The Action Plan is committed to sustainability while implementing increased health and safety initiatives with all

stakeholders, emphasizing the protection of employees and their employment.

COVID-19 remains the largest question mark for all companies. At any time, state and federal government

mandates may change and any mandate that would result in the shutdown of operations will affect the Company’s

production. As well, the pandemic may impact the availability of our workforce or supplies. Jaguar is not able to

predict the consequences of the pandemic over the next several months and hence is unable to project the impact

on production at the current time.

Qualified Persons

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

Victor Hill, BSc (Hons) (Economic Geology - UCT), FAUSIMM, Senior Expert Advisor Geology and Exploratio n to

the Jaguar Mining Management Committee, who is also an employee 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 Qua drangle has been an area of mineral exploration dating back to the 17th 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 a prospective land

position in the Iron Quadrangle of over 35,000 hectares plus over 27,000 hectares under JV with IAMGOLD.

About Jaguar Mining Inc.

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

Brazil with two gold mining complexes and a large land package with significant upside exploration pot ential from

mineral claims covering an area of approximately 102,000 hectares. 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 Turmalina

Gold Mine Complex and Caeté Mining Complex (Pilar Mine and Caeté Plant). The Company also owns the

Paciência Gold Mine Complex, which has been on care and maintenance since 2012. The Roça Grande Mine has

been on care and maintenance since April 2018. Additional information is available on the Company's website at

www.jaguarmining.com.

4

JAGUAR MINING INC.

First Canadian Place, 100 King Street West, 56th Floor, Toronto, Ontario, Canada M5X 1C9 T: 416-847-1854

For further information, please contact:

Vern Baker

Chief Executive Officer

[email protected]

Hashim Ahmed

Chief Financial Officer

[email protected]

Forward-Looking Statements and Cautionary Notes

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 va riations 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, expected sales,

production statistics, ore grades, tonnes milled, recovery rates, cash operating costs, definition/delineation drilling, th e 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 requi rements, 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 co ntained herein, including, among other things, assumptions about the estimated

timeline for the development of its mineral properties; the supply and demand for, and the level and volatility of the price of, gold; the accuracy

of reserve and resource estim ates 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 a ny jurisdiction

in which t he 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, mech anical failures,

increase in costs, environmental compliance and change in environmental leg islation 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 operatio ns; 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). In addition, the Company’s

principal operations and mineral properties are located in Brazil and there are additional business and financial risks inherent in doing business

in Brazil as compared to the United States or Canada. In Brazil, corruption represents a challenge requiring extra attention by those who conduct

business there. Corruption does not only occur with the misuse of public, government or regulatory powers, it also can occur in a business's

supplies, inputs and procureme nt functions (such as illicit rebates, kickbacks and dubious vendor relationships) as well as the inventory and

product sales functions (such as inventory shrinkage or skimming). Employees as well as external parties (such as suppliers, distributors and

contractors) have opportunities to commit theft, procurement fraud and other wrongs against the Company. While corruption, bribery and fraud

and theft risks can never be fully eliminated, the Company reviews and implements controls to reduce the likelihood of these events occurring.

The Company’s present and future business operations face these risks. Accordingly, for all of the reasons above, readers sho uld 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.sedar.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.