Coeur Provides Exploration Update for Palmarejo and Las Chispas

Coeur Mining, Inc. (CDE) released an exploration update on July 21, 2026, detailing results from its $158 million 2026 drilling program at its Palmarejo and Las Chispas operations in Mexico. The current year’s budget is double that of the prior year.

Key intercepts from the Palmarejo Eastern District include: - San Miguel – SMDH-138: 11.5 m @ 6.9 g/t Au, 1,250 g/t Ag - San Miguel – SMDH-118: 10.8 m @ 3.4 g/t Au, 1,083 g/t Ag - San Miguel – SMDH-125: 25.7 m @ 3.3 g/t Au, 20 g/t Ag - La Unión – LUDH-111: 14.5 m @ 6.3 g/t Au, 19 g/t Ag - La Unión – LUDH-093: 7.9 m @ 7.0 g/t Au, 14 g/t Ag - La Unión – LUDH-096: 6.3 m @ 7.5 g/t Au, 16 g/t Ag

Intercepts from the Palmarejo Main Mine Trend include: - Hidalgo Corridor – HGDH-229: 2.2 m @ 29.5 g/t Au, 954 g/t Ag - Hidalgo Corridor – HGDH-226: 1.9 m @ 25.7 g/t Au, 1,316 g/t Ag - Hidalgo Corridor – HGDH-227: 8.7 m @ 3.5 g/t Au, 252 g/t Ag - Independencia Sur – VIDH-221: 9.1 m @ 16.5 g/t Au, 206 g/t Ag - Independencia Sur – VIDH-222: 9.9 m @ 2.4 g/t Au, 339 g/t Ag - Independencia Sur – VIDH-225: 9.2 m @ 2.4 g/t Au, 271 g/t Ag

Results from the Las Chispas Gap Zone include: - Augusta – AUGEXP-26-005: 0.8 m @ 23.0 g/t Au, 5,948 g/t Ag - La Promesa – AUGEXP-26-005: 0.3 m @ 68.4 g/t Au, 9,199 g/t Ag, including 0.1 m @ 156.0 g/t Au, 20,990 g/t Ag - North Las Chispas – LCHII-25-020: 1.6 m @ 38.4 g/t Au, 7,982 g/t Ag, including 0.3 m @ 143.0 g/t Au, 36,190 g/t Ag - Los Sheiks – LS-26-028: 0.4 m @ 22.6 g/t Au, 2,035 g/t Ag

The company noted that 70% of the Palmarejo budget was allocated to the Eastern District, where more than 20% of the mineral inventory is now located. This area represents 5% of a 9-km corridor that has been drill-tested. Additionally, veins in the Las Chispas Gap Zone contributed to reserves within 12 months of discovery.

Coeur Mining, Inc. (CDE) is a senior producer with a $20 billion market capitalization, operating multiple mines that generated $856 million in quarterly revenue and $475 million in adjusted EBITDA. Exploration results at existing operations are a routine part of mine-life management.

The reported intercepts are high-grade and will incrementally add to resources and reserves, but they do not represent a standalone discovery or a step-change in the company’s operational profile. The market has been pricing in a declining gold and silver price environment, with the stock falling from approximately $29 to $19.93 in recent months. Such results may offer a modest sentiment lift but are unlikely to re-rate the stock materially. A material move would require either a truly deposit-defining intersection, such as greater than 500 g-m gold, or the discovery of a new, large-scale zone outside known areas.

Coeur Mining, Inc. (CDE) is a senior precious metals producer operating a portfolio of gold, silver, and copper mines across North America. Following the acquisition of New Gold, which closed on March 20, 2026, the company’s operations include New Afton in British Columbia (gold-copper), Rainy River in Ontario (gold-silver), Las Chispas in Sonora, Mexico (silver-gold underground), Palmarejo in Chihuahua, Mexico (gold-silver underground), Rochester in Nevada (open pit heap leach), Kensington in Alaska (gold), Wharf in South Dakota (gold), and Silvertip (exploration).

The company holds reserves of approximately 3.6 million ounces of gold, 8 million ounces of silver, and 600 million pounds of copper. For 2026, Coeur Mining has issued production guidance of 680,000 to 815,000 ounces of gold, 18.7 million to 21.9 million ounces of silver, and 50 million to 65 million pounds of copper.

Financially, the company maintains a cash position of $843 million, resulting in a net cash position. It has announced a $750 million share buyback program and pays a semiannual dividend of $0.02. Over the life of the mine, the company projects combined EBITDA of $6.4 billion and free cash flow of $5.0 billion.