Exhibit 99.1 McEWEN MINING: 2023 YEAR END AND Q4 RESULTS 2023 Net income $1.15/share vs. 2022 net loss $1.71/share TORONTO, February 29, 2024 - McEwen Mining Inc. (NYSE: MUX) (TSX: MUX) today reported its fourth quarter (“Q4”) and full year 2023 financial and operational results. Net income for the year was $54.7 million or $1.15 per share versus a 2022 net loss of $81.1 million or $1.71 per share! Gold production at the Fox Complex and Gold Bar mine came in just above the low end of guidance and San José j ...