Doré Copper Files Technical Report FOR Corner BAY and Devlin Projects

PRESS RELEASE

DORÉ COPPER FILES TECHNICAL REPORT FOR CORNER BAY AND DEVLIN

PROJECTS

Toronto, Ontario – November 22, 2021 – Doré Copper Mining Corp. (the " Corporation" or " Doré

Copper") (TSXV: DCMC; OTCQ X: DRCMF; FRA: DCM) is pleased to announce that further to its news

releases dated October 6 and October 14, 2021, it has filed a technical report in compliance with National

Instrument 43-101 Standards of Disclosure for Mineral Projects (“NI 43-101”) on the Company’s Corner

Bay and Devlin copper projects.

A copy of the technical report (Technical Report on the Corner Bay -Devlin Property, Northwest Québec,

Canada dated November 10, 2021 ) is available on the Company's profile on SEDAR

at www.sedar.com and on the Company's website at https://www.dorecopper.com. The Technical Report

focuses on an updated mineral resource estimate for both the Corner Bay and Devlin projects located on

the same property, south of the Chibougamau mining camp in northern Québec. The report was prepared

by SLR Consulting (Canada) Ltd., an independent global mining advisory and consulting firm.

Ernest Mast, President and Chief Executive Officer of the C orporation, commented: “Work is progressing

on the preliminary economic assessment (PEA) which will evaluate a hub-and-spoke operation model that

will include our flagship high-grade copper-gold Corner Bay deposit , along with the Devlin (copper-gold)

and Joe Mann (gold-copper) deposits to supplement tonnage . The PEA is expected to be completed in

January 2022. Meanwhile, o ur drilling activities are continuing at Corner Bay to further increase our

resource base above the existing 7.2 million tonnes.

Qualified Persons

The Technical Report the Corner Bay-Devlin Property was prepared by Luke Evans, M.Sc., P.Eng. and

Marie-Christine Gosselin, B.Sc., P.Geo ., of SLR, both “Independent Qualified Persons” as defined by NI

43-101.

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.

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 focussed on implementing its hub -and-spoke development strategy by

advancing its key high -grade copper-gold brownfield projects towar ds a restart of operations. Our goal is

to achieve an annual production of 60 Mlbs of copper equivalent (or 100,000 oz gold equivalent).

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

Mann mining camps t hat has produced 1.6 billion pounds of copper and 4.4 million ounces of gold1. The

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

radius of the Company’s 2,700 tpd mill (Copper Rand Mill).

2

Doré Copper plans to deliver a PEA of its hub -and-spoke model in January 2022. The Corporation is

completing its 2021 drilling program of 50,000 meters on its properties in the Lac Doré and Chibougamau

area of Québec.

For further information, please contact:

Ernest Mast Laurie Gaborit

President and Chief Executive Officer Vice President, Investor Relations

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

Email: emast@Dorécopper.com Email: lgaborit@Dorécopper.com

For more information, please visit: www.dorecopper.com

Facebook: Doré Copper Mining

LinkedIn: Doré Copper Mining Corp.

Twitter: @DoreCopper

Instagram: @DoreCopperMining

1. 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 Doré/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 predictions, projections and forecasts and are often, but not always, identified by

the use of words such as "seek", "anticipate", "believe", "plan", "estimate", "forecast", "expect", "potential", "project",

"target", "schedule", "budget" and " intend" and statements that an event or result "may", "will", "should", "could" or

"might" occur or be achieved and other similar expressions and includes the negatives thereof. Specific forward-looking

statements in this press release include, but are not limited to, completing a PEA in January 2022, increasing the Corner

Bay resource base to above the existing 7.2 million tonnes , implementing a hub-and-spoke development strategy by

advancing the Corporation’s key high -grade copper-gold brownfield projects towards a restart of operations, and the

Corporation’s goal of achieving an annual production of 60 M lbs of copper equivalent (or 100,000 oz gold equivalent).

All statements other than statements of historical fact included in this re lease, including, without limitation, statements

regarding the timing and ability of the Corporation to receive necessary regulatory approvals, and the plans, operations

and prospects of the Corporation and its properties are forward -looking statements. Fo rward-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 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, actual exploration results, changes in project parameters as plans continue to be refined, future metal prices,

availability of capital and financing on acceptable terms, general economic, market or business conditions, uninsured

risks, regulatory changes, delays or inability to receive required regulatory approvals, health emergencies, pandemics

and other exploration or other risks d etailed herein and from time to time in the filings made by the Corporation with

securities regulators. Although the Corporation has attempted to identify important factors that could cause actual

actions, events or results to differ from those described in forward-looking statements, there may be other factors that

cause such actions, events or results to differ materially from those anticipated. There can be no assurance that such

statements will prove to be accurate, as actual results and future events c ould 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 fo r the adequacy or accuracy of this

news release.