Coeur Mining, Inc.

(a)Change in Officers

As previously disclosed in the Company’s Form 8-K dated May 12, 2026, Anne Beckhelheimer assumed the role of Senior Vice President, Tax, Corporate Controller and Chief Accounting Officer of the Company on August 10, 2026. Ms. Beckelheimer, 46, joined the Company in June 2015 and has over 20 years of relevant experience. Ms. Beckelheimer previously served as the Company’s Senior Vice President, Tax and Treasurer from February 2026 to August 2026, as Vice President, Tax and Treasurer from May 2020 to February 2026, as Vice President, Tax from March 2017 to May 2020, and as Director of Tax from June 2015 to March 2017. She began her career with KPMG, LLP and previously served as Senior Manager, Global Tax Accounting at Newmont Mining Corporation and as Tax Director for Royal Gold, Inc. Ms. Beckelheimer holds a Bachelor of Business Administration from Baylor University and a Masters of Taxation from the University of Denver. She is a Certified Public Accountant.

On August 10, 2026, as part of his stated intention to retire in early 2027, Kenneth J. Watkinson moved from his prior role as the Company’s Vice President, Corporate Controller and Chief Accounting Officer to the role of Vice President, Accounting.