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VUL.V ·

Vulcan Minerals Inc. – Atlas Salt Delivers Positive Feasibility Study for t he Great Atlantic Salt Project

Economic Studies

333 Duckworth Street, St. John's, NL, A1C 1G9

Telephone: (709) 754-3186 Fax: (709) 754-3946, Email: [email protected] Website: www.vulcanminerals.ca

News Release

August 28, 2023

Vulcan Minerals Inc. – Atlas Salt Delivers Positive Feasibility Study for t he Great

Atlantic Salt Project

St. John’s, Newfoundland and Labrador - Vulcan Minerals Inc. (“the

Company” - “Vulcan” TSX-V: VUL) is pleased to announce that Atlas Salt

Inc., an affiliated company, has released the results of a Feasibility Study (FS)

and updated Mineral Resource estimate prepared by SLR Consulting (Canada)

Ltd. (SLR) on the Great Atlantic Salt Project (Great Atlantic, or the

Project), located in western Newfoundland, Canada. The FS represents a

significant economic improvement over the Preliminary Economic Assessment

(PEA) released by Atlas January 31, 2023. The FS demonstrates robust economics

based on 2.5 million tonnes per year (Mtpa) of production over a 34-year mine

life with a pre-tax net present value (NPV) at an 8% discount rate of $1.017 Billion

(Cdn) and an internal rate of return (IRR) of 23%.

In addition, SLR has also provided an expansion case to 4.0 Mtpa of salt

production over a 47.5-year mine life presented at a Preliminary Economic

Assessment (PEA) level analysis demonstrating a robust upside production

scenario with an NPV at 8% of $2.015 Billion (Cdn) and a pre-tax IRR of 28%.

The expansion case is based on Probable Mineral Reserves, with the remainder

being Inferred Mineral Resources. Inferred Mineral Resources are considered

too geologically speculative to have economic considerations applied to them

that would enable them to be categorized as Mineral Reserves. There is no

certainty that the production forecasts on which the expansion case is based will

be realized.

333 Duckworth Street, St. John's, NL, A1C 1G9

Telephone: (709) 754-3186 Fax: (709) 754-3946, Email: [email protected] Website: www.vulcanminerals.ca

• The FS includes the expansion of the Indicated Mineral Resources, and first-

time declaration of Mineral Reserves (in million tonnes (Mt)

o Indicated Mineral Resources totaling 383 Mt at 96.0 % NaCl

o Inferred Mineral Resources totaling 868 Mt at 95.2 % NaCl

o Probable Mineral Reserves totaling 88.1 Mt at 96% NaCl

The conversion of Inferred to Indicated Mineral Resources (and

subsequent conversion to Probable Mineral Reserves) has been

limited by the target of an initial 34 -year mine life. It is anticipated

that further upgrading of Mineral Resources to Mineral Reserves will

be carried out from underground during the production phase.

• Key elements of the Project are designed to accommodate mine and

processing expansion of up to 4.0 Mtpa and to extend the mine li fe beyond

34 years.

• Great Atlantic would stand out as a low -cost producer and the first major

underground salt mine in North America designed to be accessible by

declines as opposed to shafts.

• Designed to minimize environmental impact by utilizing electrif ied

equipment.

Patrick Laracy, President , commented, “This independent feasibility study of

the Great Atlantic salt project confirms its substantial value and

positive economic attributes as a tier one asset. The production expansion

case to 4 million tonnes per year over a 47 year mine life underscores its long life

potential. Development of the mine will bring significant benefits to all

stakeholders. With Richard LaBelle’s stewardship as our new Atlas Salt CEO, the

project is on a very positive trajectory.”

The full news release by Atlas can be found here

https://atlassalt.com/independent-feasibility-study-and-expansion-case-for-atlas-

salts-great-atlantic-project/

About Vulcan

Vulcan Minerals is a precious and base metals exploration company based in St.

John's NL, with strategic land positions in multiple active Newfoundland gold

exploration and development belts. The Company has leveraged its exploration

333 Duckworth Street, St. John's, NL, A1C 1G9

Telephone: (709) 754-3186 Fax: (709) 754-3946, Email: [email protected] Website: www.vulcanminerals.ca

exposure in most of this land position through equity ownership of other explorers

obtained by way of option an d royalty agreements. It also holds approximately

30.5% of the outstanding shares in Atlas Salt (TSXV: SALT). Atlas is developing the

Great Atlantic salt project in western Newfoundland strategically located in the

robust road de-icing market of eastern North America. Vulcan also owns a 3% net

production royalty on the Great Atlantic salt project.

We seek safe harbour.

For information please contact:

Patrick J. Laracy, P .Geo.

President

(709) 754-3186

[email protected]

www.vulcanminerals.ca

Neither the TSX Venture Exchange nor its Regulation Services Provider, (as the term is defined in the Policies

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

release includes certain “forward-looking information” and “forward-looking statements” (collectively

“forward-looking statements”) within the meaning of applicable Canadian securities legislation. All

statements, other than statements of historical fact, included herein, without limitation, statements relating

to the future operating or financial performance of the Company, are forward-looking statements. Forward-

looking statements are frequently, but not always, identified by words such as “expects”, “anticipates”,

“believes”, “intends”, “estimates”, “potential”, “possible”, and similar expressions, or statements that events,

conditions, or results “will”, “may”, “could”, or “should” occur or be achieved. Forward-looking

statements in this press release relate to, among other things: completion, delivery and timing of the

referenced assessments and assumptions related thereto. Actual future results may differ materially.

There can be no assurance that such statements will prove to be accurate, and actual results and future

events could differ materially from those anticipated in such statements. Forward-looking statements

reflect the beliefs, opinions and projections on the date the statements are made and are based upon a

number of assumptions and estimates that, while considered reasonable by the respective parties, are

inherently subject to significant business, technical, economic, and competitive uncertainties and

contingencies. Many factors, both known and unknown, could cause actual results, performance or

achievements to be materially different from the results, performance or achievements that are or may

be expressed or implied by such forward-looking statements and the parties have made assumptions

and estimates based on or related to many of these factors. Such factors include, without limitation: the

timing, completion and delivery of the referenced assessments and analysis. Readers should not place

undue reliance on the forward-looking statements and information contained in this press release

concerning these times. Except as required by law, the Company does not assume any obligation to

update the forward-looking statements of beliefs, opinions, projections, or other factors, should they

change, except as required by law.