McEwen Mining Provides Grey Fox Exploration Update

Assay Highlights:

• 24GF-1471: 4.9 g/t Au over 6.4 m (0.16 oz/t Au over 23.0 ft)
• 24GF-1474: 13.8 g/t Au over 2.4 m (0.44 oz/t Au over 9.8 ft)
• 24GF-1452: 9.8 g/t Au over 2.8 m (0.31 oz/t Au over 11.2 ft)

^{See Figure 5. All assay value intervals are true widths unless otherwise noted; TW=True Width, CW=Core Width}

TORONTO, Sept. 11, 2024 (GLOBE NEWSWIRE) — McEwen Mining Inc. (NYSE: MUX) (TSX: MUX) is pleased to provide new assay results from its Grey Fox deposit, part of the Fox Complex located in the Timmins region of Ontario, Canada. These results (see Table 1) demonstrate that the Gibson area of Grey Fox has good grading mineralization over mineable widths in close proximity to existing underground infrastructure. Grey Fox is currently a +1 Million ounce gold deposit and is the next project in our growth pipeline after the current development of our Stock Project (see June 20^th/2024 Press Release).

Table 1 – Highlights of…