O3 Mining Inc., an Osisko Group company, is a gold explorer and mine developer on the road to produce from its highly prospective gold camps in Québec, Canada. O3 Mining benefits from the support, previous mine-building success and expertise of the Osisko team as it grows towards becoming a gold producer with several multi-million-ounce deposits in Québec.

O3 Mining is well-capitalized and owns a 100% interest in all its properties (137,000 hectares) in Québec. O3 Mining trades on the TSX Venture Exchange (TSX.V: OIII) and on OTC Markets (OTCQX: OIIIF). The company is focused on delivering superior returns to its shareholders and long-term benefits to its stakeholders.

Main Leadership

Jose Vizquerra, President & CEO Prior to his appointment at O3 Mining, Mr. Vizquerra was executive vice president of strategic development for Osisko Mining Inc.

Mr. Vizquerra joined Osisko Mining from Oban Mining Corporation, where, as president and CEO, he played a leading role in the combination of Oban, Corona Gold Corporation, Eagle Hill Exploration Corporation, and Ryan Gold Corporation to form Osisko Mining. • Blair Zaritsky, CFO Mr. Zaritsky possesses over 10 years of Canadian public practice experience with exposure to various types of engagements and clients gained through managing audit engagements of publicly listed companies traded on the TSX, TSXV, and CSE. He has been the CFO of Osisko Mining since June 2011. • Louis Gariepy, VP Exploration A geological engineer with over 30 years of international mining experience, including substantial experience in Québec and Latin America. Mr. Gariepy most recently served as exploration manager of Anglo American plc in Peru. •Myrzah Bello, VP Sustainable Development Ms. Bello brings over 20 years of experience in sustainable development providing consulting services to mining, oil, gas, and other sectors. She was previously a director at SNC-Lavalin where she held various roles including leading the climate change group of experts for over six years and managed the environment division in Brazil for over 14 years. • Alex Rodriguez, VP Corporate Development Mr. Rodriguez brings previous experience from his time as former head of business development of Volcan Mining, a subsidiary of Glencore Plc. Prior to this he worked as an equity research associate for Kallpa Securities

Corporate Presentation

Strategic Quote

"O3 Mining is currently executing its well-funded aggressive drilling campaign, which is the second largest drilling campaign in Québec. We are focused on the expansion of resources, discovering new mineralization and converting resources to highlight the potential of Marban, our flagship property, and Alpha. We are becoming an increasingly interesting piece on the chessboard that is Val-d’Or."

Jose Vizquerra, President & CEO

Main Assets

O3 Mining has a portfolio of assets in Québec with 100% ownership of 137,000 hectares. O3 projects host 2.4 million gold ounces of M&I resources at 2.91 g/t Au, and 1.3 million gold ounces of Inferred resources at 3.90 g/t Au.

Québec - Val-d’Or Properties:

- Marban Property, hosting the Marban project. Marban PEA September 2020, using a US$1,450/oz gold price, resulted in a Net Present Value (NPV5%) of C$423 million and an internal IRR of 25.2% with 115,000 oz gold of annual production over 15 years.

- Alpha Property – Resources expansion and delineation at Bulldog and Akasaba, and exploring for new discoveries at Omega, Pontiac and Simkar.


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