The company's average share price for the previous 30 days was below the US$1/share required under NYSE rules, it said Friday.
It has six months to get the 30-day average above $1 before it faces NYSE suspension and delisting procedures.
McEwen, founded and led by high-profile Canadian mining executive Rob McEwen, said its Toronto Stock Exchange listing was unaffected by NYSE actions.
McEwen Mining operates the Black Fox gold mine in Ontario, Canada, and the Gold Bar mine in Nevada, USA, and has 49% of the San José mine n Argentina with Hochschild Mining.
Its shares (MUX:NYSE) have traded between US53c and $2.14 over the past year, with Friday's 67.5c down 50% year-to-date, capitalising the company at $271.5 million.