Toronto - Dore Copper Mining Corp. (the 'Corporation' or 'Dore Copper') (TSXV: DCMC; OTCQX: DRCMF; FRA: DCM) is pleased to announce additional results from its 2021 drilling campaign at its flagship Corner Bay property, located in the Chibougamau mining camp, approximately 40 kilometers by road from Chibougamau, Quebec.

In 2021, Dore Copper completed 43 holes (including wedge holes) totaling 41,063 meters and is reporting today the results from 13 holes. The assay results for the remaining 11 holes are pending. Prior results were incorporated into the Mineral Resource Estimate announced on October 6, 2021.

These latest drill results have further expanded the deposit in three areas and will be incorporated, with other pending results, into an updated Mineral Resource estimate of the Corner Bay deposit for the preliminary economic assessment ('PEA') anticipated at the end of the first quarter of 2022.

About Dore Copper Mining Corp.

Dore Copper Mining Corp. aims to be the next copper producer in Quebec with a production target of +50 Mlbs of copper equivalent annually by implementing a hub-and spoke operation model with multiple high-grade copper-gold assets feeding its centralized 2,700 tonnes per day mill. The Corporation is expected to deliver a PEA at the end of the first quarter of 2022 and then initiate a feasibility study and permit applications.

The Corporation has consolidated a large land package in the prolific Lac Dore/Chibougamau and Joe Mann mining camps that 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 Corporation's Copper Rand Mill.

Contact:

Ernest Mast

Tel: (416) 792-2229

Email: emast@dorecopper.com

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, four other mineralized holes in the Main Vein above dyke with assays pending to further expand the zone along strike and at depth; positive drill results from three different areas of the deposit, as well as pending assays from the remaining of the 2021 drilling program, expected to further increase the mineral resources that will be reported in the upcoming PEA; 2022 drilling plans include approximately 40,000 meters of infill drilling at Corner Bay; PEA at the end of Q1 2022; 2022 plans to initiate molybdenum recovery test work as part of the feasibility study; implementing a hub-and spoke operation model and initiating a feasibility study and permit applications after the PEA.

All statements other than statements of historical fact included in this release, 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. 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 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 detailed 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 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.

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