Sirios Resources Inc. announced the filing on SEDAR of the technical report "Mineral Resource Estimate Update for the Cheechoo Project, Eeyou Istchee James Bay, Quebec", with an effective date of July 20, 2022. The report, compliant to NI 43-101 standards and completed for Sirios by BBA, includes an updated mineral resource estimate of the Cheechoo Gold Project, located in Eeyou Istchee James Bay, Quebec. The updated mineral resource estimate, based on an open pit constrained model, includes an indicated resource of 1.4 million ounces of gold contained in 46.3 million tonnes at an average grade of 0.94 g/t Au, and an inferred resource of 0.5 million ounces of gold contained in 21.1 million tonnes at an average grade of 0.73 g/t Au.

The mineral resource estimate has been prepared by consulting firm BBA in accordance with the Definition Standards of the Canadian Institute of Mining, Metallurgy and Petroleum as defined in the National Instrument 43-101. The estimate is based on data from 329 diamond drill holes totaling 76,713 metres and 386 channels totalling 3,217 metres which were completed by Sirios between 2012 and 2022. Sirios' press release issued on December 6, 2022 summarized the key results contained in the 2022 Cheechoo mineral resource estimate update.

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 both "Qualified Persons" as defined by National Instrument 43-101 - Standards of Disclosure for Mineral Projects.

Sirios' 100% owned Cheechoo property is located in the Eeyou Istchee James Bay region of Quebec, approximately 200 km east of Wemindji and less than 10 km from Newmont's Eleonore gold mine.