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Abcourt Intersects 4.1 g/t Gold over 11 Metres in Channel on the Former Cambior Stripping, extends the mineralized zone over a length of now 300m in the Cartwright Area of the Flordin Project, and Present a Corporate Update

Drill Results

For immediate release

TSX Venture Exchange: ABI. V

Abcourt Intersects 4.1 g/t Gold over 11 Metres in Channel on the Former Cambior

Stripping, extends the mineralized zone over a length of now 300m in the Cartwright

Area of the Flordin Project, and Present a Corporate Update

Rouyn-Noranda, Canada, June 16, 2025 – Abcourt Mines Inc. ("Abcourt" or the "Company") (TSX

Venture: ABI) (OTCQB: ABMBF) is pleased to announce its most recent channel sampling results from

the former Cambior stripping that was done in the late 1980s and located immediately west of the 2024

Cartwright stripping. This new phase of sampling made it possible to add 4 new channels of

approximately 20 metres in length on average and a smaller one (No. 18) of approximately 5 metres in

length. A total of 87 metres of new channel (175 samples) were made on the former Cambior stripping.

This phase of work has allowed us to link the historical Adam and Horse showings and extend the

mineralization at surface over more than 300 metres in length. The most significant intersection comes

from channel 19 which returned 4.1 g/t gold over 11 metres including 12 g/t gold over 3.5 metres.

The channels made are all 0.5 meters long and are connected to each other. Each of the channels

averages 6 to 8 cm deep and intersects perpendicularly with the mineralized zones, which are oriented

east-west with a sub-vertical dip. The mineralization is associated with significant shear and is composed

of pyrite-silica-hematite-rich bands in zones with gossan-type surface alteration (weathering) (pyrite

dissolution, yellow surface).

Highlights:

 4.1 g/t gold over 11 metres, including 12 g/t gold over 3.5 metres;

 Four new channels, each about 20 m long, have been added to an old stripping done by Cambior

at the end of the 1980s. The channels are spaced about 10 metres apart from each of them;

 The two main historical zones were identified on the stripping: Horse (central) and Adam

(southernmost); The results obtained confirm the connection of the two mineralized zones to each

other, thus increasing the thickness of the gold-bearing intersections by several metres.

 Mineralized zones at surface now over more than 300 metres in length.

The table below presents the main results achieved:

Channel

number CUMULATIVE ZONES ZONE Interval

Channel 16 1.9 g/t Au over 8.5 m ADAM 1.1 g/t Au over 1 m HORSE 11.2 g/t Au over 1 m

Channel 17 2.5 g/t Au over 8.5 m ADAM 1.0 g/t Au over 1.5 m

HORSE 6.9 g/t Au over 2.5 m

Channel 18

HORSE 16.5 g/t Au over 2 m

Channel 19

4.1 g/t Au over 11 m

ADAM 3.1 g/t Au over 0.5 m

HORSE 12 g/t Au over 3.5 m

Channel 20

3.6 g/t Au over 8.5 m

ADAM 1.3 g/t Au over 1 m

HORSE 18.5 g/t Au over 1.5 m

Channel

20B ADAM 3.7 g/t Au over 1 m

Channel

20C HORSE 10 g/t Au over 2 m

The new channel phase will have extended the mineralized zones at surface over more than 300 metres

in length. The historical mineralized zones (Horse and Adam) are spaced 1 to 5 metres apart. The

stripping carried out (historical and current) now allows us to link these zones together, because the host

rock (basalt), even with low pyrite mineralization, contains grades ranging from 100 ppb to more than 1

g/t gold. This significantly increases the thickness of the mineralized zones. With this channel phase we

are able to define a gold envelope of 300 metres long by 10 metres wide and 20 metres deep with an

average grade of 5.5 g/t gold using a density of 2.7 tonnes per cubic metre.

The fieldwork recently carried out was done in collaboration with the students graduating in mineral

technology (geology option) at the CEGEP de l'Abitibi-Témiscamingue under the supervision of Mr.

Baptiste Chapon, P.Geo.

Figure 1: Regional location of the Flordin property

Figure 2: Location of the Flordin property

Figure 3 : Orthomosaic of the Cartwright (East Sector) and Cambior (West Sector) stripping

Pascal Hamelin, President and Chief Executive Officer, commented: "The new channels completed

on the former Cambior stripping once again confirm the connection between the mineralized zones over

thicknesses sometimes exceeding 10 metres and continuous over more than 300 metres in length. The

areas remain open laterally to both east and west. Drilling last winter also confirms that the mineralized

zones remain open at depth and laterally."

Corporate Update

Firstly, we are pleased to announce the appointment of Lise Kistabish as Executive Director of the

Council of the Abitibiwinni First Nation. However, this new executive role with her community forced

Lise to resign from the Abcourt Mines Board of Directors. It is with regret that we must accept his

resignation. We thank Lise for her contributions to the Board of Directors over the past few years and

wish Lise every success in her new role.

Pascal Hamelin, President and Chief Executive Officer, commented: "On behalf of my colleagues

on the Board and myself, we sincerely thank you for helping Abcourt moving forward. We have greatly

appreciated your sincerity and personal ethics in our various exchanges over the past few years. The

Council of the Abitibiwinni First Nation is very fortunate to have you now on their executive team. Best

of luck in your new projects.”

Secondly, activities related to the financing of the start-up of the Sleeping Giant project continue to

progress well. We are working with our technical, legal, and financial partners to bring the project

towards rapid development of gold production. The general environment is conducive to launching a

high-grade gold project in a stable jurisdiction such as Canada, with well-established infrastructure and

all the required government authorizations at Sleeping Giant.

Qualified Persons

Robert Gagnon, P.Geo. The Company's Vice President, Exploration, has reviewed and approved the

technical information contained in this press release.

Analytical procedure

The 0.5-metre-long channel rock samples were shipped and analyzed by the MSALABS laboratory in

Val-d'Or, Quebec using the Photon AssayTM method. The samples were crushed to 70% passing two

millimeters with a 500-gram division for gamma ray assay for gold. According to MSALABS' internal

procedure, blank and standard samples are inserted. MSA operates numerous laboratories around the

world and maintains ISO-17025 accreditation for many metal determination methods. MSA is an ISO-

17025 accredited laboratory for the photonic analysis method.

About Abcourt Mines Inc.

Abcourt Mines Inc. is a Canadian exploration company with properties strategically located in

northwestern Quebec, Canada. Abcourt owns the Sleeping Giant mine and mill, where it focuses its

development activities.

For more information about Abcourt Mines Inc., please visit our website and view our filings under

Abcourt's profile on www.sedarplus.ca.

Pascal Hamelin

President and Chief Executive Officer

T : (819) 768-2857

Email : [email protected]

Dany Cenac Robert, Investor Relations

Reseau ProMarket Inc.,

T : (514) 722-2276 ext.: 456

Email : [email protected]

FORWARD-LOOKING STATEMENTS

Certain information contained in this news release may constitute "forward-looking information" within the meaning

of Canadian securities legislation. Generally, forward-looking information can be identified by using forward-

looking terminology, such as "plans", "aims", "expects", "projects", "intends", "anticipates", "estimates", "could",

"should", "likely", or variations of such words and phrases or statements specifying that certain acts, events or

results "may", "should", "will" or "be achieved" or other similar expressions. Forward-looking statements are based

on Abcourt's estimates and are subject to known and unknown risks, uncertainties and other factors that may

cause Abcourt's actual results, level of activity, performance or achievements to be materially different from those

expressed or implied by such forward-looking statements or information. Forward-looking statements are subject

to business, economic and uncertainties and other factors that could cause actual results to differ materially from

these forward-looking statements, including the relevant assumptions and risk factors set forth in Abcourt's public

filings, which are available on SEDAR at www.sedarplus.ca. There can be no assurance that these statements

will prove to be accurate, as actual results and future events could differ materially from those anticipated in such

statements. Accordingly, readers should not place undue reliance on forward-looking statements and forward-

looking information. Although Abcourt believes that the assumptions and factors used in preparing the forward-

looking statements are reasonable, undue reliance should not be placed on such statements. Except as required

by applicable securities laws, Abcourt disclaims any intention or obligation to update or revise any such forward-

looking statements or information, whether as a result of new information, future events or otherwise.

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of

the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.