Toronto, June 9, 2023 /CNW/- O3 Mining Co., Ltd. (TSXV: OIII) (OTCQX: OIIIF) (“O3 Mining” or the “Company”) regarding the ongoing wildfire situation impacting the community of Abitibi Themiscumming, where O3 Mining’s major project is located. , we would like to provide you with the latest information on:upon June 2 And in March 2023, of Quebec The Ministry of Natural Resources and Forestry has announced a forest access ban and forest road closures on Crown land, citing public safety reasons, given the current situation related to the wildfires in Abitibi Temiscamangu. For the safety of our employees and the community, we are following government directives and are suspending on-site activities until the situation is resolved. No material impact on our business is expected.

As part of our ongoing efforts to engage with local stakeholders on the Maruban project, the company announced: May 30th^th plan for a neighborhood association to be held in June 13th^th (Communication with Local Communities – Neighborhood Association Maruban Project) Residents and local stakeholders can obtain further information on various aspects of the project. With wildfires still an issue, O3 Mining has decided to postpone the neighborhood gathering for a later date. A new date for the conference will be announced once the wildfire situation has calmed down.

President and CEO of O3 Mining, Mr. Jose Vizquera commented: “Our thoughts are with the families of the community of Abitibi Temiscamingue. Our team is in constant communication with local and state authorities to coordinate all efforts during this difficult time. O3 Mining will be monitoring the situation closely and will provide updates as the situation evolves.”

About O3 Mining Co., Ltd.

O3 Mining Inc. is a gold prospector and mine developer advancing production from a highly promising gold camp located in Quebec. Canada. Benefiting from the support and expertise of industry leaders, O3 Mining is growing to become a multi-million ounce gold producer in Quebec.

O3 Mining is well-capitalized and owns a 100% interest in all properties in Quebec (62,000 hectares). O3 Mining is traded on the TSX Venture Exchange (TSXV: OIII) and OTC Markets (OTCQX: OIIIF). We are focused on delivering superior returns for our shareholders and long-term benefits for our stakeholders. For more information, visit his website at: https://o3mining.com