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Doré Copper Announces C$13 Million Bought Deal Private Placement of Common Shares and Flow-Through Shares

Financings

PRESS RELEASE

DORÉ COPPER ANNOUNCES C$13 MILLION BOUGHT DEAL 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 18, 2021 – Doré Copper Mining Corp. (the " Corporation" or " Doré Copper")

(TSX-V:DCMC; OTCQB:DRCMF; FRA:DRM) is pleased to announce that it has entered into an agreement

pursuant to which Cormark Securities Inc. and Paradigm Capital Inc., as co-lead underwriters, (collectively,

the "Underwriters"), have agreed to purchase, on a "bought deal" private placement basis: (i) 8,000,000

common shares in the capital of the Corporation (the " Offered Common Shares") at a price of $1.00 per

Offered Common Share (the "Common Share Offering Price") for gross proceeds of $8,000,000 and (ii)

2,907,000 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 "Flow-Through Shares") at a price of $1.72 per Flow-Through Share for gross proceeds of

$5,000,040, for aggregate gross proceeds to the Corporation of approximately $13 million (collectively, the

"Offering").

The Underwriters will have the option, exercisable in whole or in part at any time up to 48 hours prior to the

closing of the Offering, to arrange for the purchase of up to an additional 1, 636,050 Offered Common

Shares at the Common Share Offering Price.

The net proceeds from the sale of the Offered 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 Corpo ration from the sale of the Flow -Through

Shares, pursuant to the provisions in the Income Tax Act (Canada), 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") related to the Corporation's projects in Québec, on or before

December 31, 2022, and to renounce all the Qualifying Expenditures in favour of the subscribers of the

Flow-Through Shares effective December 31, 2021. 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 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 is expected to close on or about June 9, 2021, or such other date as the Corporation and the

Underwriters may agree 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 way of private placement in each of th e provinces of Canada pursuant to

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

such other jurisdictions, in each case in accordance with all applicable laws, provided that no prospectus,

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. is a copper -gold explorer and developer in the Chibougamau area of Québec,

Canada. The Corporation is focused on implementing its hu b-and-spoke development strategy by

advancing its key high-grade copper-gold brownfield projects towards a restart of operations.

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

Mann mining camps that has historically produced 1.6 B lbs of copper and 4.4 M oz of gold. The land

package includes 13 former producing mines, deposits and resource target areas within a 60 -kilometre

radius of the Corporation's 2,700 tpd mill (Copper Rand Mill).

Doré Copper plans to deliver a preliminary economic assessment (PEA) of its hub-and-spoke model in late

2021. Currently, the Corporation is completing a 16,500 -metre drilling program at its Corner Bay (Cu -Au)

project which will lead to an updated mineral resou rce estimate for mid-2021. In addition, Doré Copper is

expected to have a maiden mineral resource estimate for the former producing Joe Mann mine (Au-Cu) by

end of June 2021.

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]

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, t he use of proceeds of the Offering, 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 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, 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 Regulat ion 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.