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Doré Copper Announces Closing of C$3.1 Million Private Placement of Flow-Through Shares, Including Partial Exercise of Agents' Option

Financings Mergers & Acquisitions

PRESS RELEASE

DORÉ COPPER ANNOUNCES CLOSING OF C$3.1 MILLION PRIVATE PLACEMENT OF

FLOW-THROUGH SHARES, INCLUDING PARTIAL EXERCISE OF AGENTS' OPTION

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

Toronto, Ontario – August 25, 2020 – Doré Copper Mining Corp. (the "Corporation" or "Doré Copper")

(TSXV: DCMC) is pleased to announce that it has closed its previously announced "best efforts" brokered

private placement (the "Offering"), pursuant to which the Corporation sold an aggregate of 2,662,072

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, in relation to common shares issued to residents

in Québec, section 359.1 of the Taxation Act (Québec) (collectively, the "Flow-Through Shares"), for

aggregate gross proceeds of C$3,121,476.64, including partial exercise of the agents' option. The Flow-

Through Shares were issued in two tranches with the first tranche consisting of 1,749,450 Flow-Through

Shares issued to residents of Québec at a price of C$1.20 per Flow-Through Share for aggregate gross

proceeds of C$2,099,340 and the second tranche consisting of 912,622 Flow-Through Shares issued to

residents outside of Québec at a price of C$1.12 per Flow-Through Share for aggregate gross proceeds of

C$1,022,136.64.

Canaccord Genuity Corp. and Red Cloud Securities Inc. acted as agents (the "Agents") in connection with

the Offering pursuant to the terms of an agency agreement dated August 25, 2020. In consideration for

their services in connection with the Offering, the Corporation paid the Agents a cash commission equal to

6% of the aggregate gross proceeds from the sale of Flow -Through Shares, and a reduced cash

commission equal to 3% of the aggregate gross proceeds from the sale of Flow-Through Shares to certain

purchasers. As additional consideration for their services in connection with the closing of the Offering, the

Corporation issued the Agents non-transferable broker warrants of the Corporation ("Broker Warrants")

equal to 6% of the aggregate number of Flow-Through Shares issued. Each Broker Warrant is exercisable

to acquire one common share in the capital of the Corporation at an exercise price of C$1.12 per share

until August 25, 2022.

In addition, Leede Jones Gable Inc. acted as a finder (the "Finder") in connection with the Offering. In

consideration for acting as a finder in connection with the Offering, the Corporation paid the Finder a cash

commission equal to 3% of the aggregate gross proceeds from the sale of Flow-Through Shares arranged

by the Finder and issued the Finder Broker Warrants equal to 3% of the aggregate number of Flow-Through

Shares issued to purchasers arranged by the Finder on the same terms as the Broker Warrants issued to

the Agents. The cash commission payable and the Broker Warrants issuable to the Agents on the sale of

Flow-Through Shares arranged by the Finder was reduced accordingly.

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) and the Taxation

Act (Québec), to incur eligible "Canadian exploration expenses" that qualify as "flow-through mining

expenditures" as both terms are defined in the Income Tax Act (Canada) (the "Qualifying Expenditures")

on or before December 31, 2021, and will renounce all of the Qualifying Expenditures in favour of the

purchasers of the Flow-Through Shares effective December 31, 2020. In addition, with respect to Québec

resident purchasers of the Flow-Through Shares who are eligible individuals under the Taxation Act

(Québec), the Canadian exploration expenses will also qualify for inclusion in the "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 exploration expenses" within the meaning of section 726.4.17.2 of the Taxation Act (Québec).

The Offering was made by way of private placement in Canada pursuant to applicable exemptions from the

prospectus requirements under applicable Canadian securities laws. The securities issued in connection

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with the Offering are subject to a hold period under applicable Canadian securities laws which will expire

on December 26, 2020. The Offering is subject to final acceptance of the TSX Venture Exchange.

The securities offered have not been registered under the United States Securities Act of 1933, as

amended, or any state securities law, and may not be offered or sold in the United States absent registration

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

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

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

About Doré Copper Mining Corp.

Doré Copper is engaged in the acquisition, exploration and evaluation of mineral properties.

Doré Copper completed a qualifying transaction on December 13, 2019 establishing itself as a copper-gold

explorer and developer in the Chibougamau area of Québec, Canada.

Doré Copper, through its wholly-owned subsidiary CBAY Minerals Inc., holds a 100% int erest in the

exploration-stage Corner Bay Project and the exploration-stage Cedar Bay Project, and an option to acquire

100% of the past producing Joe Mann gold mine (see press release dated January 2, 2020), all located in

the vicinity of Chibougamau, Québec. The Corner Bay Project has an indicated resource of 1.35 Mt at

average grades of 3.01% Cu and 0.29 g/t Au, containing 89.8 Mlb of copper and 13,000 ounces of gold,

and an inferred resource of 1.66 Mt at average grades of 3.84% Cu and 0.27 g/t Au, containing 140.3 Mlb

of copper and 15,000 ounces of gold, assuming a cut-off grade of 1.5% Cu and a copper price of US$3.25

per pound. The Cedar Bay Project has an indicated resource of 130 kt at average grades of 9.44 g/t Au

and 1.55% Cu, containing 39,000 ounces of gold and 4.4 Mlb of copper, and an inferred resource of 230 kt

at average grades of 8.32 g/t Au and 2.13% Cu, containing 61,000 ounces of gold and 10.8 Mlb of copper,

assuming a cut-off grade of 2.9 g/t Au and a gold price of US$1,400 per ounce. Doré Copper's 2020 drill

program at Corner Bay and Cedar Bay has been successful in intercepting mineralization at both Projects.

Both deposits are open in various directions along strike and down dip. Both the Corner Bay Project and

the Cedar Bay Project are accessible by road and are approximately 20 km apart. Mineralization from both

the Corner Bay Project and the Cedar Bay Project would be treated along with material from the Joe Mann

mine at Doré Copper's Copper Rand concentrator located 8 km southwest of Chibougamau, Québec.

For further information, please see the technical report entitled "Technical Report on the Corner Bay and

Cedar Bay Projects, Northwest, Québec, Canada" dated June 15, 2019, prepared by Luke Evans, M.Sc.,

P.Eng., which is available under Doré Copper's profile on SEDAR at www.sedar.com.

Andrey Rinta, P.Geo., the Exploration Manager of the Corporation and a "Qualified Person" within the

meaning of National Instrument 43-101, has reviewed and approved the technical information contained in

this news release.

For further information, please contact:

Ernest Mast

President and Chief Executive Officer

Phone: (416) 792-2229

Email: [email protected]

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 use

of proceeds of the Offering, the timing and ability of the Corporation to receive final acceptance of the

Offering from the TSX Venture Exchange, and the plans, operations and prospects of the Corporation.

Forward-looking statements are necessarily based upon a number of estimates and assumptions that, 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,

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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 assurance that such statements

will prove to be accurate, as actual results and future 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 that term is defined in the

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

news release.