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Sirios files the NI 43-101 report of the resources estimate update for the Cheechoo gold project in Quebec

Resource Estimates Technical Reports (NI 43-101)

TSX-V : SOI December 22, 2020

Sirios files the NI 43-101 report of the resources estimate update for

the Cheechoo gold project in Quebec

Montreal (Quebec) – Management of Sirios Resources Inc. (TSXV: SOI) ("The Company") is

pleased to announce that Sirios has filed on SEDAR the technical report titled "Mineral Resource

Estimate Update for the Cheechoo Project Eeyou Istchee James Bay, Québec, Canada" , with an

effective date of October 31st, 2020 . The report, in compliance to the NI 43 -101 standards and

completed for the company by BBA Inc., h the resource estimate update of the Cheechoo gold

project, located at Eeyou Istchee James Bay at Quebec.

The updated resource shows an increase of 355,000 ounces of gold compared to its initial

resource estimate, representing an increase of 22% . The report indicate s that, based on an

open-pit constrained model, the inferred resources are estimated at 1.955 million gold ounces

(Moz) contained in 93.0 million tonnes (Mt) with an average grade of 0.65 grams of gold

per tonne (g/t Au) (figure 1).

Dominique Doucet, President and CEO of Sirios, states: " I want to congratulate our technical

team, who within less than a year, significantly increased the resource estimate on our

Cheechoo gold deposit."

Figure 1 Plan view. The black -outlined conceptual pit contains the first resource estimate of 1.6 M oz of gold. The green -

outlined grey conceptual pit contains the new resource estimate of 1.96 M oz of gold.

The scientific and technical content of this press release has been reviewed and approved by Mr.

Dominique Doucet, P.Eng. President and CEO of Sirios Resources Inc. and Mr. Jordi Turcotte,

P. Geo. Senior Geologist who are “Qualified Persons” as defined by National Instrument 43-101.

About the Cheechoo Property

The Cheechoo Property located 9 km from the Eleonore gold mine of Newmont at Eeyou Istchee

James Bay, Quebec, i s wholly owned by Sirios. The new resource estimate of the project

(October 2020) delineated inferred resources of 1. 96 million ounces of gold , with a significant

potential to increase these resources.

About Sirios

Founded in 1995, Sirios Resources develops and explores its own mining exploration projects.

Pioneer in the discovery of si gnificant gold deposits in the Eeyou Istchee James Bay region of

Quebec, Canada, over the years, Sirios is focusing on its flagship gold project Cheechoo, the

2016 discovery of the year in Quebec.

Cautionary note regarding forward-looking information

This news release contains "forward -looking information" within the meaning of applicable

Canadian securities legislation based on expectations, estimates and projections as at the date of

this news release. Forward -looking information involves risks, uncertain ties and other factors

that could cause actual events, results, performance, prospects and opportunities to differ

materially from those expressed or implied by such forward -looking information. Factors that

could cause actual results to differ materially from such forward -looking information include,

but are not limited to, capital and operating costs varying significantly from estimates; the

preliminary nature of metallurgical test results; delays in obtaining or failures to obtain required

governmental, environmental or other project approvals; uncertainties relating to the availability

and costs of financing needed in the future; changes in equity markets; inflation; fluctuations in

commodity prices; delays in the development of projects; the other risks involved in the mineral

exploration and development industry; and those risks set out in the Company’s public

documents filed on SEDAR at www.sedar.com. Although the Company believes that the

assumptions and factors used in preparing the forward looking i nformation in this news release

are reasonable, undue reliance should not be placed on such information, which only applies as

of the date of this news release, and no assurance can be given that such events will occur in the

disclosed time frames or at al l. The Company disclaims any intention or obligation to update or

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

otherwise, other than as required by law.

The estimate of Inferred Mineral Resources mention ed in this press release conform to National

Instrument 43 -101 standards and was prepared by Pierre-Luc Richard, P. Geo., independent

qualified person, as defined by NI 43 -101 guidelines. The effect ive date of the estimate is

Octobre 31st 2020. The above -mentioned mineral resources are not mineral reserves as they do

not have demonstrated economic viability. The quantity and grade of the reported Inferred

Mineral Resources are conceptual in nature and are estimated based on limited geological

evidence and sampling. Geological evidence is sufficient to imply but not verify geological and

grade or quality continuity.

Neither the 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 release.

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Contact information :

Dominique Doucet, President, CEO, Eng.

[email protected]

Tel.: (514) 510-7961 Website: www.sirios.com