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Toronto, January 3, 2025 – O3 Mining Inc. (TSXV: OIII) (OTCQX: OIIIF) (“O3 Mining” or the “Corporation”) reports that, effective December 31, 2024, it awarded deferred share units (DSUs) to Bernardo Alvarez Calderon, a director, to cover specific director fees for Q4 2024 instead of cash payment. The Corporation’s directors can choose to receive director fees as cash or DSUs. Any fees paid in DSUs are processed quarterly.

For Q4 2024, 5,303 DSUs were granted to Bernardo Alvarez Calderon on December 31, 2024, in lieu of cash payment for certain director fees, based on a market price of $1.65 per common share.

DSUs will vest according to the Corporation’s deferred share unit plan, available on SEDAR+ under O3 Mining’s profile (refer to O3 Mining’s management information circular dated May 11, 2022).

About O3 Mining Inc.

O3 Mining Inc. is a gold exploration and development company operating in Québec, Canada, near Agnico Eagle’s Canadian Malartic mine. O3 Mining holds a 100% interest in all its Québec properties (128,680 hectares). Its main asset is the Marban Alliance project, which it has advanced to a key development stage over the past five years, anticipating long-term returns for stakeholders.

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 news release. No stock exchange, securities commission or other regulatory authority has approved or disapproved the information contained herein.

SOURCE O3 Mining Inc.