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Gunnison Copper Announces Upsize of the Listed Issuer Financing Exemption (LIFE) Private Placement to up to C$8.745 Million

Financings

Gunnison Copper Announces Upsize of the Listed Issuer Financing

Exemption (LIFE) Private Placement to up to C$8.745 Million

NOT FOR DISSEMINATION IN THE UNITED STATES OR THROUGH U.S. NEWSWIRE SERVICES

July 11, 2025

Gunnison Copper Corp. (TSX: GCU) (OTCQB: GCUMF) (FSE: 3XS0) (“Gunnison” or the

“Company”) is pleased to announce that as a result of strong investor demand, the Company has

increased the size of its previously announced non-brokered private placement (the “ Offering”) from

aggregate gross proceeds of up to C$5,000,010 to aggregate gross proceeds of up to C$8,745,000.

The Upsized Offering is comprised of the sale of up to 29,150,000 units of the Company (each, a “Unit”)

at a price of C$0.30 per Unit. Red Cloud Securities Inc. is acting as a finder in connection with the

Offering.

Each Unit will consist of one common share of the Company (each, a “ Common Share”) and one

common share purchase warrant (each, a “ Warrant”). Each Warrant will entitle the holder thereof to

purchase one Common Share at a price of C$0.45 at any time for a period of 36 months following the

issue date.

The Company intends to use the net proceeds from the Offering to fund additional and follow on work

related to the High Value Add Work Program at the Gunnison Copper Project, begin long lead time

drilling and metallurgical testing that will be incorporated in a pre-feasibility study for the Gunnison

Copper Project, as well as fund US head office general and administrative expenses (“ G&A”) for an

additional 12 months (April 2026 to March 2027). U.S. head office G&A for the next 9 months to March

2026 will be funded from existing working capital.

Subject to compliance with applicable regulatory requirements and in accordance with National

Instrument 45-106 – Prospectus Exemptions (“ NI 45-106 ”), the Units will be offered for sale to

purchasers in all of the provinces of Canada, except Québec (the “ Canadian Selling Jurisdictions”)

pursuant to the listed issuer financing exemption under Part 5A of NI 45-106, as amended by

Coordinated Blanket Order 45-935 – Exemptions from Certain Conditions of the Listed Issuer Financing

Exemption (the “Listed Issuer Financing Exemption”). The securities issuable pursuant to the sale of

the Units are expected to be immediately freely tradeable under applicable Canadian securities

legislation if sold to purchasers resident in Canada.

The Units may also be sold to purchasers in offshore jurisdictions and in the United States on a private

placement basis pursuant to one or more exemptions from the registration requirements of the United

States Securities Act of 1933 (the "U.S. Securities Act"), as amended.

The Offering is schedule to close on July 17, 2025 and is subject to receipt of all necessary regulatory

approvals including the Toronto Stock Exchange (the “ TSX”). Finder’s fees will be payable in

accordance with the policies of the TSX.

There is an amended and restated offering document related to the Units being sold pursuant to the

Listed Issuer Financing Exemption (the “Amended Offering Document”) that can be accessed under

the Company’s profile at www.sedarplus.ca and on the Company’s website at

www.gunnisoncopper.com. Prospective Canadian investors purchasing under the Listed Issuer

Financing Exemption should read this Amended Offering Document before making an investment

decision.

This news release does not constitute an offer to sell or a solicitation of an offer to sell any of the

securities in the United States. The securities have not been and will not be registered under the U.S.

Securities Act or any state securities laws and may not be offered or sold within the United States or to

U.S. Persons unless registered under the U.S. Securities Act and applicable state securities laws or an

exemption from such registration is available.

ABOUT GUNNISON COPPER

Gunnison Copper Corp. is a multi-asset pure-play copper developer and producer that controls the

Cochise Mining District (the district), containing 12 known deposits within an 8 km economic radius, in

the Southern Arizona Copper Belt.

Gunnison exists to develop and operate copper mines in Southern Arizona to produce fully Made in

America finished copper cathode to directly supply American energy, defense, and manufacturing

supply chains. Gunnison proudly hires locally, purchases locally, and sells its products for use in

America. Gunnison invests in its employees, their families, and the communities around it. Gunnison

operates safely and responsibly with a focus on technology and positive societal impact, while also

emphasizing long-term value creation for stakeholders.

Its flagship asset, the Gunnison Copper Project, has a measured and indicated mineral resource

containing over 831 million tons with a total copper grade of 0.31% (measured mineral resource of

191.3 million tons at 0.37% and indicated mineral resource of 640.2 million tons at 0.29%), and a

preliminary economic assessment (“PEA”) yielding robust economics including an NPV8% of $1.3

billion, IRR of 20.9%, and payback period of 4.1 years. It is being developed as a conventional operation

with open pit mining, heap leach, and SX/EW refinery to produce finished copper cathode on-site with

direct rail link.

The PEA is preliminary in nature and includes inferred mineral resources that are considered too

speculative geologically to have the economic considerations applied to them that would enable them

to be categorized as mineral reserves. There is no certainty that the conclusions reached in the PEA

will be realized. Mineral resources that are not mineral reserves do not have demonstrated economic

viability.

In addition, Gunnison’s Johnson Camp Asset, which is under construction with first copper production

expected in Q3 2025, is fully funded by Nuton LLC, a Rio Tinto Venture, with a production capacity of

up to 25 million lbs of finished copper cathode annually.

Other significant deposits controlled by Gunnison in the district, with potential to be economic satellite

feeder deposits for Gunnison Project infrastructure, include Strong and Harris, South Star, and eight

other deposits.

For additional information on the Gunnison Project, including the PEA and mineral resource estimate,

please refer to the Company’s technical report entitled “Gunnison Project NI 43-101 Technical Report

Preliminary Economic Assessment” dated effective November 1, 2024 and available on SEDAR+ at

www.sedarplus.ca.

Dr. Stephen Twyerould, Fellow of AUSIMM, President and CEO of the Company is a Qualified Person

as defined by NI 43-101. Mr. Twyerould has reviewed and is responsible for the technical information

contained in this news release.

For more information on Gunnison, please visit our website at www.GunnisonCopper.com

For further information regarding this press release, please contact:

Gunnison Copper Corp.

Concord Place, Suite 300, 2999 North 44th Street, Phoenix, AZ, 85018

Shawn Westcott

T: 604.365.6681

E: [email protected]

www.GunnisonCopper.co

CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS:

Certain statements contained in this release constitute forward-looking information within the meaning of

applicable Canadian securities laws. Such forward-looking statements relate the completion of the Offering or

any tranche thereof; the number of securities to be issued under the Offering and the gross proceeds received;

the timing of the closing of the Offering; the payment of any finders fees and the form thereof; the use of net

proceeds from the Offering; the intention to deploy the Nuton® technology at the Johnson Camp mine and

future production therefrom; the continued funding of the stage 2 work program by Nuton; the details and

expected results of the stage two work program; future production and production capacity from the Company's

mineral projects; the results of the preliminary economic assessment on the Gunnison Project; and the

exploration and development of the Company's mineral projects.

In certain cases, forward-looking information can be identified by the use of words such as "plans", "expects"

or "does not expect", "budget", "scheduled", "estimates", "forecasts", "intends", "anticipates" or "does not

anticipate", or "believes", or variations of such words and phrases or state that certain actions, events or results

"may", "could", "would", "might", "occur" or "be achieved" suggesting future outcomes, or other expectations,

beliefs, plans, objectives, assumptions, intentions or statements about future events or performance. Forward-

looking information contained in this news release is based on certain factors and assumptions regarding,

among other things, the TSX approves the Offering, the timing of closing the Offering, Nuton will continue to

fund the stage 2 work program, the availability of financing to continue as a going concern and implement the

Company's operational plans, the estimation of mineral resources, the realization of resource and reserve

estimates, copper and other metal prices, the timing and amount of future development expenditures, the

estimation of initial and sustaining capital requirements, the estimation of labour and operating costs (including

the price of acid), the availability of labour, material and acid supply, receipt of and compliance with necessary

regulatory approvals and permits, the estimation of insurance coverage, and assumptions with respect to

currency fluctuations, environmental risks, title disputes or claims, and other similar matters. While the

Company considers these assumptions to be reasonable based on information currently available to it, they

may prove to be incorrect.

Forward looking information involves known and unknown risks, uncertainties and other factors which may

cause the actual results, performance or achievements of the Company to be materially different from any

future results, performance or achievements expressed or implied by the forward-looking information. Such

factors include risks related to the Company not obtaining adequate financing to continue operations, Nuton

failing to continue to fund the stage 2 work program, the breach of debt covenants, risks inherent in the

construction and operation of mineral deposits, including risks relating to changes in project parameters as

plans continue to be redefined including the possibility that mining operations may not be sustained at the

Gunnison Copper Project, risks related to the delay in approval of work plans, variations in mineral resources

and reserves, grade or recovery rates, risks relating to the ability to access infrastructure, risks relating to

changes in copper and other commodity prices and the worldwide demand for and supply of copper and related

products, risks related to increased competition in the market for copper and related products, risks related to

current global financial conditions, risks related to current global financial conditions on the Company's

business, uncertainties inherent in the estimation of mineral resources, access and supply risks, risks related

to the ability to access acid supply on commercially reasonable terms, reliance on key personnel, operational

risks inherent in the conduct of mining activities, including the risk of accidents, labour disputes, increases in

capital and operating costs and the risk of delays or increased costs that might be encountered during the

construction or mining process, regulatory risks including the risk that permits may not be obtained in a timely

fashion or at all, financing, capitalization and liquidity risks, risks related to disputes concerning property titles

and interests, environmental risks and the additional risks identified in the "Risk Factors" section of the

Company's reports and filings with applicable Canadian securities regulators.

Although the Company has attempted to identify important factors that could cause actual actions, events or

results to differ materially from those described in forward-looking information, there may be other factors that

cause actions, events or results not to be as anticipated, estimated or intended. Accordingly, readers should

not place undue reliance on forward-looking information. The forward-looking information is made as of the

date of this news release. Except as required by applicable securities laws, the Company does not undertake

any obligation to publicly update or revise any forward-looking information.