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Jaguar Mining Announces Agreement to Acquire the Pitangui Project and Remaining Interest in the Acurui Project From IAMGOLD

Mergers & Acquisitions Property Options & Staking

Jaguar Mining Announces Agreement to Acquire the Pitangui

Project and Remaining Interest in the Acurui Project From

IAMGOLD

TORONTO, ON / August 2, 2023 / Jaguar Mining Inc. ("Jaguar" or the "Company")

(TSX:JAG)(OTCQX:JAGGF) is pleased to announce it has entered into a share purchase

agreement dated August 1, 2023 (the "Agreement"), pursuant to which the Company has agreed

to purchase and assume (the "Transaction") from a subsidiary of IAMGOLD Corporation

(NYSE: IAG) (TSX: IMG) ("IAMGOLD"), AGEM Ltd. (the "Vendor"), the Pitangui Project

and the Vendor's interest in the Acurui Project.

Figure 1. Location of Jaguar´s and IAMGOLD's Tenements which are consolidated under

the share purchase agreement

The Transaction

As consideration for acquiring a 100% interest in the Pitangui Project and the Vendor's interest

in the Acurui Project, the Company has agreed to the following:

(a) the issuance to the Vendor of 6,331,713 common shares in the capital of the Company (the

"Consideration Shares"), having an aggregate value of USD$9 million based on the volume

weighted average closing price per share for the thirty (30) calendar days preceding the date

of the Agreement, which was CAD$1.873 per share; and

(b) the grant to the Vendor of a net smelter returns royalty (the "Royalty"), which will be

calculated as follows with respect to the Pitangui Project and the Acurui Project:

i. in the case of gold (not including silver or other metals) from the Pitangui Project, the

Company will pay the Vendor a Royalty of US$80 per ounce for the initial 250,000

ounces of gold sold from the Pitangui Project,

ii. following the initial 250,000 ounces of gold sold pursuant to the Pitangui Project, the

amount of the Royalty payable to the Vendor in respect of the Pitangui Project for any

applicable calendar quarter will be the result obtained by multiplying the net smelter

returns for such calendar quarter by 1.5%,

iii. the amount of the Royalty payable to the Vendor in respect of the Acurui Project for any

applicable calendar quarter will be the result obtained by multiplying the net smelter

returns for such calendar quarter by 1.5%, and

iv. no Royalty shall be payable for, or with respect to, such reasonable quantities of product

which are used by the Vendor exclusively for assaying, non-bulk sampling, treatment,

amenability, metallurgical, test work, piloting or other analytical processes or procedures

in respect of the Pitangui Project or the Acurui Project.

The Transaction is an arm's length transaction for purposes of the policies of the Toronto Stock

Exchange ("TSX") and remains subject to customary closing conditions, including the approval

of the TSX. No finder fees are payable in connection with, and no change of control of the

Company will result from, the Transaction. The Transaction is expected to close in late August

2023, or such other time as the parties may mutually agree.

Regarding the Consideration Shares, the Vendor has agreed to hold and to not transfer or trade

the Consideration Shares for a period of twelve (12) months following the closing date of the

Transaction. In addition, the Vendor has agreed to notify and inform Jaguar if the Vendor intends

to sell all or any of the Consideration Shares.

Vern Baker, President and CEO of Jaguar Mining stated: "We are very pleased to announce that

we have reached this agreement to purchase IAMGOLD's Brazilian Assets which includes the

Pitangui Project, which is close to our MTL Complex and the Acurui Tenements Package

contiguous with our Paciencia Complex. This transaction furthers our corporate strategy to

leverage our extensive existing infrastructure to drive production growth via increased plant

throughput. The incorporation of the Pitangui mineral property adds approximately 9,000 kHa

of prospective mining and exploration tenements to our Iron Quadrangle portfolio. The

combination of Pitangui and our Faina Development Project now provide a long runway of low

capital intensity, high return on invested capital growth at our MTL Complex for many years to

come. This announcement supports our ongoing strategy to increase the utilization of our

existing processing capacity, both through exploration on our land and potential arrangements

with neighbors to fill our mills".

The Pitangui Project

The Pitangui Project is located approximately 110 kilometres northwest of the city of Belo

Horizonte in Minas Gerais State, Brazil, and it comprises mineral exploration licenses and

license applications covering the Archean-aged Pitangui greenstone belt, located near the

Company's principal operating assets in the "Iron Quadrangle".

Gold mineralization is hosted by a series of parallel and complexly folded horizons of banded

iron formation (BIF) separated by mafic volcanic and minor sedimentary units within the lower

greenstone belt stratigraphy. Within the iron formations, gold mineralization is associated with

sulphide replacement of primary magnetite bands, characterized by the presence of pyrrhotite

and lesser amounts of arsenopyrite, pyrite, and chalcopyrite. Drilling to date has identified two

main mineralized horizons, referred to as "Biquinho" and "Pimentao", which occur

approximately 100 metres apart vertically. On February 5, 2020, IAMGOLD filed a National

Instrument 43-101 - Standards of Disclosure for Mineral Projects technical report for the

Pitangui Project on SEDAR (the "Pitangui Project Report").

Table 1. Mineral Resources at the Pitangui Project as at February 5, 2020

The information in the table above is a "historical estimate" since it is contained in the Pitangui

Project Report, which was prepared before Jaguar entered into the Agreement. Jaguar has not

done sufficient work to classify the historical estimate as current mineral resources; and Jaguar is

not treating the historical estimate as current mineral resources. However, Jaguar has reviewed

the Pitangui Project Report and considers the historical estimate to be relevant and reasonably

reliable. The key assumptions, parameters, and methods used to prepare the historical estimate

are described in the Pitangui Project Report and the report appears to appropriately use the terms

"mineral resource", "inferred mineral resource", "indicated mineral resource" and "measured

mineral resource" only as those terms have been defined by the Canadian Institute of Mining,

Metallurgy and Petroleum in the CIM Definition Standards on Mineral Resources and Mineral

Reserves (as amended), as adopted by the CIM Council. Some work will need to be done by

Jaguar in order to upgrade or verify the historical estimate as current mineral resources for

Jaguar. Accordingly, some confirmatory technical work will be undertaken by Jaguar in the near

term to validate and incorporate the historical mineral resource estimate previously published for

the Pitangui Project into Jaguar´s published mineral resources and mineral reserves (MRMR)

inventories.

Figure 2. Location of the Pitangui Project relative to Jaguar´s Turmalina Complex (MTL)

The Acurui Project

The Acurui Project is currently an exploration joint venture between Jaguar and IAMGOLD,

where Jaguar is the operator. The project is comprised of exploration tenements located near the

Company's Paciência plant in the Iron Quadrangle. For further information regarding the Acurui

Project, please refer to the Company's news releases dated August 26, 2020 and August 30,

2021, respectively, which are available on SEDAR.

Figure 3. Location of the Acuri Project Tenements relative to Jaguar´s Tenements and

Paciencia Complex (CPA)

Qualified Person

Scientific and technical information contained in this news release has been reviewed and

approved by Jonathan Victor Hill, BSc (Hons) (Economic Geology - UCT), FAUSIMM, Vice

President Geology and Exploration, who is also an employee of Jaguar Mining Inc., and is a

"qualified person" as defined by 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 third largest gold land position in the Iron

Quadrangle with over 50,000 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 Turmalina Gold Mine Complex and Caeté Mining Complex (Pilar and Roça

Grande Mines, 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

temporary care and maintenance since April 2019. Additional information is available on the

Company's website at www.jaguarmining.com.

For further information please contact

Vernon Baker

Chief Executive Officer

Jaguar Mining Inc.

[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 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," "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 ability of the Company to complete the Transaction, the conditions and timing

of the Transaction, and the Company's plans and expectations for the Pitangui Project and the

Acurui Project. The Company has made numerous assumptions with respect to forward-looking

information contained herein, including, among other things, the Company's ability to obtain the

final acceptance of the TSX for the Transaction and the issuance of the Consideration Shares in

connection therewith.

Forward-looking information is subject to known and unknown risks, uncertainties and other

factors that may cause the actual results, level of activity, performance or achievements of the

Company to be materially different from those expressed or implied by such forward-looking

information, including receipt of necessary approvals, risks inherent in the mining industry and

the other risks described in the public disclosure of the Company which is available under the

profile of the Company on SEDAR at www.sedar.com, including without limitation, the

Company's most recent Annual Information Form and Management's Discussion and Analysis.

Although the Company has attempted to identify important factors that could cause actual results

to differ materially from those contained in forward-looking information, there may be other

factors that cause results not to be as anticipated, estimated or intended. Accordingly, readers

should not place undue reliance on forward-looking information.

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.

THE TSX HAS NOT REVIEWED AND DOES NOT ACCEPT RESPONSIBILITY FOR THE

ACCURACY OF THIS NEWS RELEASE.

SOURCE: Jaguar Mining Inc.