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Doré Copper Announces up to $3 Million Non-Brokered Private Placement of Common Shares and Flow-Through Shares

Financings

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PRESS RELEASE

DORÉ COPPER ANNOUNCES UP TO $3 MILLION NON-BROKERED PRIVATE

PLACEMENT OF COMMON SHARES AND FLOW-THROUGH SHARES

Not for distribution to United States news wire services or for dissemination in the United States

Toronto, Ontario – May 8, 2023 – Doré Copper Mining Corp. (the "Corporation" or "Doré Copper") (TSX-

V:DCMC; OTCQB:DRCMF; FRA:DRM) is pleased to announce a non-brokered private placement of: (i) up

to 8,050,000 common shares in the capital of the Corporation (the "Common Shares") at a price of $0.20

per Common Share for gross proceeds of up to $1,610,000; (ii) up to 833,336 common shares in the capital

of the Corporation that will qualify as "flow-through shares" within the meaning of subsection 66(15) of the

Income Tax Act (Canada) and section 359.1 of the Taxation Act (Québec) (the "Traditional Flow-Through

Shares") at a price of $0.24 per Traditional Flow-Through Share for gross proceeds of up to $200,000.64;

and (iii) up to 2,875,000 common shares in the capital of the Corporation that will qualify as "flow -through

shares" within the meaning of subsection 66(15) of the Income Tax Act (Canada) and section 359.1 of the

Taxation Act (Québec) (the "Charitable Flow-Through Shares" and together with the Traditional Flow-

Through Shares, the "Flow-Through Shares") at a price of $0.415 per Charitable Flow-Through Share for

gross proceeds of up to $1,193,125, for aggregate gross proceeds to the Corporation of up to

$3,003,125.64 (collectively, the "Offering").

The net proceeds from the sale of the Common Shares will be used for exploration and development

activities and for working capital and general corporate purposes. The Corporation will use an amount equal

to the gross proceeds received by the Corporation from the sale of the Flow -Through Shares, pursuant to

the provisions in the Income Tax Act (Canada), to incur , directly or indirectly, expenses (" Qualifying

Expenditures") related to the Corporation's projects in Québec, on or before December 31, 2024, that are

eligible "Canadian exploration expenses" (as defined in the Income Tax Act (Canada)), which, in the case

of the Traditional Flow -Through Shares, will qualify as "flow -through mining expenditures" (as defined in

the Income Tax Act (Canada)), and, in the case of the Charitable Flow-Through Shares, will qualify as "flow-

through critical mineral mining expenditures" (as defined in the Income Tax Act (Canada)), and renounce

all the Qualifying Expenditures in favour of the applicable subscribers of the Flow-Through Shares effective

December 31, 2023. In addition, with respect to Québec resident subscribers who are eligible individuals

under the Taxation Act (Québec), the Canadian exploration expenses will also qualify for inclusion in th e

"exploration base relating to certain Québec exploration expenses" within the meaning of section 726.4.10

of the Taxation Act (Québec) and for inclusion in the "exploration base relating to certain Québec surface

mining expenses or oil and gas exploratio n expenses" within the meaning of section 726.4.17.2 of the

Taxation Act (Québec).

In connection with the Offering, certain arm's-length parties may receive a cash finder's fee payment and/or

warrants to purchase common shares in the capital of the Corporation in consideration of securities that

are sold to subscribers introduced by such parties. Any cash finder's fee payment and/or warrants will be

subject to the approval of, and will be issued in accordance with the rules of, the TSX Venture Exchange.

The Offering is expected to close on or about June 1, 2023, or such other date as the Corporation may

determine and is subject to certain conditions including, but not limited to, the receipt of all necessary

regulatory and other approvals including the acceptance of the TSX Venture Exchange

The Offering will be made by way of private placement in each of the provinces of Canada pursuant to

applicable exemptions from the prospectus requirements and, in the case of the Common Shares, such

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other jurisdictions, in each case in accordance with all applicable laws, provided that no p rospectus,

registration statement or other similar document is required to be filed in such jurisdiction. The securities

issued under the Offering will be subject to a four -month hold period under applicable Canadian securities

laws.

The securities offered have not been, nor will they be, registered under the United States Securities Act

of 1933, as amended, or any state securities law, and may not be offered, sold or delivered, directly or

indirectly, within the United States, or to or for the account or benefit of U.S. persons, absent registration

or an exemption from such registration requirements. This news release does not constitute an offer to sell

or the solicitation of an offer to buy nor shall there be any sale of securities in any state in the United

States in which such offer, solicitation or sale would be unlawful.

About Doré Copper Mining Corp.

Doré Copper Mining Corp. aims to be the next copper producer in Québec with an initial production target

of +50 million pounds of copper equivalent annually by implementing a hub -and-spoke operation model

with multiple high-grade copper-gold assets feeding its centralized Copper Rand mill1. The Corporation has

delivered its PEA in May 2022 and is proceeding with a feasibility study.

The Corporation has consolidated a large land package in the prolific Lac Doré/Chibougamau and Joe

Mann mining camps that has historically produced 1.6 billion pounds of copper and 4.4 million ounces of

gold2. The land package includes 13 former producing mines, deposits and resource target areas within a

60-kilometer radius of the Corporation's Copper Rand Mill.

For further information, please visit the Corporation's website at www.dorecopper.com or refer to Doré

Copper's SEDAR filings at www.sedar.com or contact:

Ernest Mast Laurie Gaborit

President and Chief Executive Officer Vice President, Investor Relations

Phone: (416) 792-2229 Phone: (416) 219-2049

Email: [email protected] Email: [email protected]

1. Technical report titled "Preliminary Economic Assessment for the Chibougamau Hub -and-Spoke Complex, Québec, Canada"

dated June 15, 2022, in accordance with National Instrument 43-101 Standards of Disclosure for Mineral Projects (“NI 43-101”).

The Technical Report was prepared by BBA Inc. with several consulting firms contributing to sections of the study, including SLR

Consulting (Canada) Ltd., SRK Consulting (Canada) Inc. and WSP Inc.

2. Sources for historic production figures: Economic Geology, v. 107, pp. 963 –989 - Structural and Stratigraphic Controls on

Magmatic, Volcanogenic, and Shear Zone -Hosted Mineralization in the Chapais -Chibougamau Mining Camp, Northeastern

Abitibi, Canada by François Leclerc et al. (Lac Dore/Chibougamau mining camp) and NI 43 -101 Technical Report on the Joe

Mann Property dated January 11, 2016 by Geologica Groupe-Conseil Inc. for Jessie Ressources Inc. (Joe Mann mine).

Cautionary Note Regarding Forward-Looking Statements

This news release includes certain "forward -looking statements" under applicable Canadian securities

legislation. Forward-looking statements include, but are not limited to, statements with respect to the terms

of the Offering, the use of proceeds of the O ffering, the timing and ability of the Corporation to close the

Offering, the timing and ability of the Corporation to receive necessary regulatory approvals, including the

acceptance of the Offering from the TSX Venture Exchange, the renunciation to the purchasers of the Flow-

Through Shares and timing thereof, the tax treatment of the Flow -Through Shares, and the plans,

operations and prospects of the Corporation. Forward -looking statements are necessarily based upon a

number of estimates and assumptions t hat, while considered reasonable, are subject to known and

unknown risks, uncertainties and other factors which may cause the actual results and future events to

differ materially from those expressed or implied by such forward-looking statements. Such factors include,

but are not limited to: general business, economic, competitive, political and social uncertainties; delay or

failure to receive regulatory approvals; the price of gold and copper; and the results of current exploration.

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

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events could differ materially from those anticipated in such statements. Accordingly, readers should not

place undue reliance on forward-looking statements. The Corporation disclaims any intention or obligation

to update or revise any forward -looking statements, whether as a result of new information, future events

or otherwise, except as required by law.

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

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

news release.