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Jaguar Files NI 43-101 Technical Report for Turmalina Mine, Brazil

Resource Estimates Technical Reports (NI 43-101)

NEWS RELEASE

June 7, 2017 2017 – 10

FOR IMMEDIATE RELEASE TSX:JAG

Jaguar Files NI 43-101 Technical Report for Turmalina Mine, Brazil

Toronto, Canada, June 7, 2017 - Jaguar Mining Inc. ("Jaguar" or the "Company") (TSX:JAG) reports that

it has filed on SEDAR (www.sedar.com), an independent technical report on its Turmalina Gold Mine in Brazil

(the "Technical Report") pursuant to National Instrument 43-101 – Standards of Disclosure for Mineral

Projects ("NI 43-101").

The Technical Report, which is dated May 30, 2017 and entitled "Technical Report on the Turmalina Mine,

Minas Gerais State, Brazil", is available on Jaguar's website and under Jaguar’s profile on SEDAR at

www.sedar.com. The Technical Report was prepared by Jason Cox, P. Eng. and Reno Pressacco, P. Geo,

both from Roscoe Postle Associates Inc., each of whom is a "qualified person" as that term is defined in NI 43-

101.

The Technical Report includes information and results disclosed by Jaguar in its annual information form dated

March 30, 2017.

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 black 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 just over 25,000 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 covering an area of approximately 191,000 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 (“Mineração Turmalina Ltda” or “MTL”) and Caeté Gold Mine Complex

(“Mineração Serras do Oeste Ltda” or “MSOL”) which combined produce more than 95,000 ounces of gold

annually. The Company also owns the Paciência Gold Mine Complex , which has been on care and

maintenance since 2012. Additional information is available on the Company's website at

www.jaguarmining.com.

For further information please contact:

Rodney Lamond

President & Chief Executive Officer

[email protected]

416-847-1854

Joanne Jobin

Vice President, Investor Relations

[email protected]

416-847-1854

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 manage ment's

expectations and plans relating to the future. All of the forward -looking information set forth in this news release is qualified by the

cautionary statements below and those made in our other filings with the securities regulators in Canada. Forwar d-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", "continue", "estimate", "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 state ments, other than

statements of historical fact, may be considered to be or include forward-looking information. These forward-looking statements are made

2

JAGUAR MINING INC.

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

as of the date of this news release and the dates of technical reports, as applicable. This news release contains forward-looking

information regarding potential and, among other things, expected production, statistics, ore grades, tonnes milled, recovery rates, cash

operating costs, and definition/delineation drilling at the Turmalina Gold Mine, the timing and amount of estimated future production, costs

of production, capital expenditures, cos ts 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, and co ntinuous

improvement initiatives. The Company has made numerous assumptions with respect to forward -looking information contained herein,

including, among other things, assumptions about the estimated timeline and for the development of the drill program at the Turmalina

Gold Mine and its 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 pe rmits;

market competition; ongoing relations with employees and impacted communities; and 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 co nditions. 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 opera tions and financial performance; uncertainties with respect to the price of gold, labor

disruptions, mechanical failures, increase in costs, environmental compliance and change in environmental legislation and reg ulation,

weather delays and increased costs or production delays due to natural disasters, power disrupt ions, 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 ad dition, there

are risks and hazards associated with the business of gold exploration, development, mining and production, including without limitation

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

formations, pressures, cave-ins, flooding, chemical spills, and gold bullion thefts and losses (and the risk of inadequate insurance, or the

inability to obtain insurance, to cover these risks). Although we have attempted to identify important factors that could cause actual

actions, events or results to differ materially from those described in forward-looking statements, there may be other factors that cause

actions, events or results not to be as anticipated, estimated or intended. There can be no assurance that forward-looking statements will

prove to be accurate, as actual results and future events could differ materially from those a nticipated in such statements. Accordingly,

readers should not place undue reliance on forward-looking information.