Toronto, Ontario – (March 30, 2023) Argonaut Gold Inc. (TSX: AR) (the “Company”, “Argonaut Gold” or “Argonaut”), is pleased to announce today a significant increase in Mineral Resources for the Company’s two principal assets: the Magino Project, in the final stages of construction, located in Ontario, Canada, and the Florida Canyon Mine located in Nevada, USA. Measured and Indicated Mineral Resources at the Company’s two principal assets increased by 14% to 5.7 million gold ounces, while Inferred Mineral Resources more than quadrupled to 3.0 million gold ounces. On a consolidated basis, Measured and Indicated Mineral Resources total 11.3 million gold ounces, Inferred Mineral Resources total 3.5 million gold ounces, and Proven and Probable Mineral Reserves total 5.6 million gold ounces effective December 31, 2022.