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Nicola Mining Reopens Portals 1 and 2 at Treasure Mountain Silver Mine with Intention to Recommence Operations in 2027

Nicola Mining Reopens Portals 1 and 2 at

Treasure Mountain Silver Mine with Intention

to Recommence Operations in 2027

Vancouver, British Columbia--(Newsfile Corp. - September 9, 2026) - Nicola Mining Inc.

(NASDAQ:

NICM)

(TSXV: NIM) (FSE: HLIA)

(the "

Company

" or "

Nicola

") is pleased to announce the results of

an independent underground inspection and factual assessment of its Treasure Mountain Silver Mine

(Permit M-239), located approximately 30 kilometres northeast of Hope, British Columbia. The genesis

of the underground inspection corresponds with the Company's intention of reopening the mine in 2027.

McElhanney Ltd. ("

McElhanney

"), an independent Canadian engineering and consulting firm, was

retained by Nicola to conduct the first stage of an evaluation associated with the proposed restart of the

historic underground silver-lead-zinc mine. The assessment was designed to establish a baseline

understanding the conditions of existing underground workings, access, and infrastructure.

The inspection found that Treasure Mountain is in generally better condition than anticipated

following approximately 13 years of inactivity expediting the timing of potentially

recommencing mining activities.

Both principal portals remain accessible, significant portions of the underground development remain

open, natural ventilation pathways are functioning, and much of the historical underground infrastructure

remains in place. Most importantly, no conditions were observed that would prevent the project from

advancing to the next stage of evaluation.

Key Findings

The July 27, 2026, inspection included both Portal 1 (Level 1) and Portal 2 (Level 2), underground

workings and surface infrastructure. Among the principal findings:

Both portals remain accessible and generally intact, with minimal evidence of sloughing or burial.

Access roads were passable by standard pickup truck.

No flooded workings or major inaccessible collapse zones were encountered within the inspected

areas, while atmospheric conditions remained acceptable throughout the inspection.

Extensive existing underground development remains accessible, including access drifts,

crosscuts, historic stopes, raises, draw points, diamond-drill bays, remuck stations and sump

infrastructure.

Most existing ground-support installations appeared functional, although localized rehabilitation,

scaling and support replacement will be required, particularly near the Portal 2 entrance.

Natural ventilation remains evident throughout much of the mine, with strong airflow observed

through connected raises.

Existing compressed-air lines, water lines and portions of the electrical distribution infrastructure

remain throughout the accessible workings, although these systems will require assessment and,

where necessary, replacement or upgrading before recommissioning.

Photos of Treasure Mountain Underground

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

https://images.newsfilecorp.com/files/4873/313541_nicola.jpg

Existing Development Creates Exploration Opportunities

The assessment also identified several features that may provide meaningful opportunities as Nicola

advances its evaluation of Treasure Mountain.

In addition, a significant volume of muck material was observed in a crosscut near the Level 1 portal.

McElhanney noted that the material could represent broken ore from historical mining or development.

Following establishment of safe access, Nicola intends to evaluate the material through representative

sampling and assaying. If mineralization is confirmed, it could represent a readily accessible source of

processing feed during future restart activities.

It was also concluded that the combination of accessible underground drill stations, partially developed

headings, potential unprocessed material and unexplored areas indicates that exploration potential

remains within the currently accessible workings.

Advancing Toward a Phased Restart

The assessment establishes a clear technical pathway for Nicola's continued evaluation of Treasure

Mountain Silver Mine. The next phase is expected to include a detailed geotechnical and rehabilitation

assessment, followed by surveying and mapping of the underground workings. Nicola would then

reconcile the updated survey with historical mine plans, geological models and production records to

prioritize exploration and potential mining areas.

This work would form the basis for subsequent mine planning, ventilation design, rehabilitation and

recommencing of mineral extraction. Initial recommendations focus on rehabilitation expenditures on

areas offering the greatest operational value potential, thereby supporting a phased and cost-effective

mine restart strategy.

Peter Espig, Chief Executive Officer of Nicola Mining, commented:

"The findings provide an encouraging starting point for our evaluation of restarting Treasure

Mountain. After approximately 13 years of inactivity, both portals remain accessible, substantial

underground development remains open, natural ventilation continues to function, and much of the

historical infrastructure remains in place.

"Also of interest are the existing underground drill stations and partially developed workings, which

may allow Nicola to advance exploration while leveraging development completed by previous

operators. Our objective is to proceed methodically-first establishing safe access and an accurate

understanding of the existing workings and then recommence mining activities on Level 1 and

Level 2, prior to conduction exploration.

"Treasure Mountain is not simply an exploration concept; it is an existing underground mine with

considerable historical development already completed. Combined with Nicola's permitted Merritt

milling infrastructure, we believe this provides the Company with a differentiated opportunity to

evaluate a disciplined and capital-efficient pathway toward renewed silver production."

Qualified Person

The scientific and technical disclosures included in this news release have been reviewed and approved

by Will Whitty, P.Geo., who is the Qualified Person as defined by NI 43-101. Mr. Whitty is Vice President

of Exploration for the Company.

About Nicola Mining

Nicola Mining Inc. is a junior mining company listed on the NASDAQ, the TSX Venture Exchange and

Frankfurt Exchange that maintains a 100% owned mill and tailings facility, located near Merritt, British

Columbia. It has signed Mining and Milling Profit Share Agreements with high grade gold projects.

Nicola's fully permitted mill can process both gold and silver mill feed via gravity and flotation processes.

The Company owns 100% of the New Craigmont Project, a high-grade copper property, which covers an

area of over 10,800 hectares along the southern end of the Guichon Batholith and is adjacent to

Highland Valley Copper, Canada's largest copper mine. The Company also owns 100% of the Treasure

Mountain Property, which includes 30 mineral claims and a mineral lease, spanning an area exceeding

2,200 hectares.

On behalf of the Board of Directors

"

Peter Espig

"

Peter Espig

CEO & Director

For additional information:

Contact: Bill Cawker

Phone: (604) 649-0080

Email:

[email protected]

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.

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

https://www.newsfilecorp.com/release/313541