Coeur Mining — May 7, 2025 release

Several additional rigs are being added and are expected to drill for the remainder of the year Guidance • Prorated production reflecting 10.5 months is expected to be 42,500 - 52,500 ounces of gold and 4.25 - 5.25 million ounces of silver • Prorated adjusted CAS 1 reflecting 10.5 months are expected to be $850 - $950 per gold ounce and $9.25 - $10.25 per silver ounce • Prorated capital expenditures reflecting 10.5 months are expected to be $30 - $34 million, consisting primarily of sustaining capital • Prorated exploration investment reflecting 10.5 months is expected to be $16 - $18 million (substantially all expensed) 6 Palmarejo, Mexico (Dollars in millions, except per ounce amounts) 1Q 2025 4Q 2024 3Q 2024 2Q 2024 1Q 2024 Tons milled 440,920 419,008 413,463 429,561 500,747 Average gold grade (oz/t) 0.050 0.059 0.070 0.066 0.070 Average silver grade (oz/t) 4.36 4.17 5.15 4.49 4.34 Average recovery rate – Au 95.2   % 91.2  % 94.8  % 89.9  % 95.2  % Average recovery rate – Ag 87.4   % 88.3  % 85.6  % 82.8  % 83.7  % Gold ounces produced 23,032 22,490 27,549 25,467 33,160 Silver ounces produced (000’s) 1,680 1,543 1,823 1,596 1,818 Gold ounces sold 22,713 22,353 28,655 24,313 33,462 Silver ounces sold (000’s) 1,636 1,598 1,861 1,542 1,796 Average realized price per gold ounce $ 1,924 $ 1,750 $ 1,922 $ 1,744 $ 1,611 Average realized price per silver ounce $ 31.85 $ 31.27 $ 29.71 $ 26.48 $ 23.64 Metal sales $ 95.8 $ 89.1 $ 110.4 $ 83.2 $ 96.4 Costs applicable to sales 4 $ 43.7 $ 45.5 $ 47.5 $ 48.2 $ 54.3 Adjusted CAS per AuOz 1 $ 882 $ 894 $ 818