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BOGO.V ·

Borealis Announces First Gold Pour

Production Results Mine Development & Operations

Borealis Announces First Gold Pour

Toronto, Ontario--(Newsfile Corp. - September 29, 2025) - Borealis Mining Company Limited (TSXV:

BOGO) (OTC Pink: BORMF) (FSE: L4B0) (the "

Company

" or "

Borealis

") is pleased to announce that

it has successfully completed the first pour of gold and silver doré from the previously announced

stockpile crushing and heap leaching at the Borealis minesite. A total of 65.6 pounds, equivalent to

956.7 troy ounces

of doré was poured in two bars as shown in

Figure 1 & Video 1

.

The Company has sent the doré to Asahi Refining in Salt Lake City, Utah, for refining and eventual sale.

Borealis is awaiting assay results from the pour to determine the grade and value of the doré but

preliminary results indicate roughly a 50-50 gold-silver ratio, plus some additional waste metal. Heap

leaching and crushing of the stockpile of oxide material continues, with approximately 106,000 tons

being treated with cyanide solution and another 34,000 tons crushed and not yet subjected to heap

leaching. Gold and silver are actively being collected in Borealis' carbon columns and the Company

anticipates its next pour in several weeks.

Andreas Steckenborn, COO of Borealis, states, "This is a genuine milestone for our team, the Company,

and its shareholders. This pour represents the first genuine gold and silver production from fresh oxide

material that Borealis has crushed, trucked to the leach pad and treated with cyanide. We've spent an

immense amount of time and effort over the past two years optimizing our operations and training and

the result was a perfectly executed pour. Our carbon columns are well-loaded with gold and silver for the

next pour which should occur in the next few weeks. Borealis stakeholders can look forward to steady

revenue for the the next several months, which we intend to grow upon with the upcoming re-start of the

Borealis mine. We will update the market on timing of the re-start of mining in the near term."

Figure 1

: Andreas Steckenborn, COO, and Kelly Malcolm, CEO, holding freshly poured doré bars at the

fully permitted Borealis Minesite.

To view an enhanced version of this graphic, please visit:

https://images.newsfilecorp.com/files/9344/268269_7e9bdb71a499f920_001full.jpg

Video 1

: Video of the gold pouring process, resulting in one full and one partial doré bar for a total

saleable weight of 65.6 pounds, equivalent to 956.7 troy ounces of doré.

Cannot view this video?

Visit:

https://www.youtube.com/watch?v=DhSsKXrIq4o

Qualified Person and QA&QC

The scientific and technical content of this news release was reviewed, verified, and approved by Kelly

Malcolm, P.Geo., Chief Executive Officer of the Company, and a Qualified Person as defined by

Canadian Securities Administrators' National Instrument 43-101 - Standards of Disclosure for Mineral

Projects.

Borealis Mine

The Borealis mine property, located close to the town of Hawthorne, NV, is fully permitted and equipped

for present mine operations and future expansion, with existing open pits, heap leach pads, modern

infrastructure, and a functional ADR facility which produces doré bars. The project has historically

produced over 600,000

1

ounces of gold from an open pit heap leach operation. It is an under-explored

property and has not been drilled since 2011, aside from Borealis' efforts in 2024 and 2025. The

property possesses high grade expansion potential with excellent historical drilling results, along with a

number of untested regional targets.

1

Please see the Borealis Mine technical report entitled "NI 43-101

Technical Report, Project Status Report, Borealis Mine, Nevada, U.S.A." authored by Douglas Reid,

P.Eng. of SRK Consulting, dated February 16, 2024. The report can be found on SEDAR+ or the

Borealis website.

The Borealis Project holds existing federal and state permits for mining and processing operations.

However, certain permit modifications may be required for expanded production, and the timeline for

such approvals is subject to regulatory review. The Company cannot guarantee the timing or success of

any permit modifications that may be required for future expansions.

About Borealis

Borealis is a gold mining and exploration company focused on exploration and resumption of production

of the Borealis Mine in Nevada and the advancement of its Sandman project also in Nevada. The

Borealis Mine is a fully permitted mine site, equipped with active heap leach pads, an ADR facility, and

all necessary infrastructure to support a heap leach gold mining operation. In addition to the mine, the

property, comprised of 815 unpatented mining claims of approximately 20 acres each totaling

approximately 16,300 acres and one unpatented mill site claim of about five acres located in western

Nevada, is highly prospective for additional high-sulfidation gold mineralization. The Sandman project,

recently acquired through the acquisition of Gold Bull Resources Inc., is an advanced exploration project

with a recently completed (2021) NI 43-101 compliant resource and a recent (2023) Preliminary

Economic Assessment which indicates compelling economics, particularly in light of the increase in

commodity prices since publication of the study. Borealis is led by a strong board and management

team, many of whom have founded, managed, and sold highly successful mining and exploration

companies.

For further information, please contact:

Kelly Malcolm

President and Chief Executive Officer

[email protected]

Office: (289) 371-3371

This news release may contain certain "forward-looking information" within the meaning of applicable

securities law. Forward looking information is frequently characterized by words such as "plan",

"expect", "project", "intend", "believe", "anticipate", "estimate", "may", "will", "would", "potential",

"proposed" and other similar words, or statements that certain events or conditions "may" or "will"

occur. These statements are only predictions. Forward-looking information is based on the opinions

and estimates of management at the date the information is provided, and is subject to a variety of

risks and uncertainties and other factors that could cause actual events or results to differ materially

from those projected in the forward-looking information. For a description of the risks and uncertainties

facing the Company and its business and affairs, readers should refer to the Company's

Management's Discussion and Analysis. The Company undertakes no obligation to update forward-

looking information if circumstances or management's estimates or opinions should change, unless

required by law. The reader is cautioned not to place undue reliance on forward-looking information.

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

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

To view the source version of this press release, please visit

https://www.newsfilecorp.com/release/268269