Coeur Provides Exploration Update for Palmarejo and Las Chispas

§ 01 Executive Snapshot

• What: Coeur Mining provides an update on its exploration activities at the Palmarejo and Las Chispas gold-silver operations in Mexico.
• Who: Coeur Mining, Inc.; Aoife McGrath, Executive Vice President, Exploration.
• Why it matters: The extensive $158 million exploration program is expected to significantly enhance resource growth and mine life extension for Coeur's Mexican assets.

§ 02 Key Developments

• Coeur's planned exploration investment for 2026 is $158 million, which is double the amount invested in 2025.
• The exploration program includes $27 million for 83 kilometers of drilling at Palmarejo and $24 million for 119 kilometers of drilling at Las Chispas.
• Over the past five years, Coeur has invested approximately $340 million in exploration, contributing to mine life extension and reserves growth.

§ 03 Strategic Context

• The exploration efforts at Palmarejo and Las Chispas aim to capitalize on promising geological features and prior discoveries to secure future production.
• The historical investment in exploration reflects a broader trend within the mining industry to prioritize resource growth and sustainability in operations.

§ 04 Strategic Implications

• The immediate impact of the exploration programs is expected to enhance resource identification and potential reserve conversions, which could lead to increased production.
• Long-term implications include sustained growth in operational capabilities and potential new discoveries that may extend the life of existing mines.

§ 05 Risks & Constraints

• Potential risks include regulatory hurdles and market volatility affecting the prices of gold and silver, which could impact the viability of exploration projects.
• Competition for exploration success and the need for continuous capital injection could pose challenges to maintaining momentum in exploration activities.

§ 06 Watchlist / Forward Signals

• Key milestones to watch include the completion of drilling programs and the announcement of new resource estimates in 2026.
• Future developments that could signal success include the conversion of discovered resources into reserves and the initiation of new mining operations based on exploration results.