United States Antimony Corporation ("USAC," "US Antimony," or the "Company"), (NYSE:UAMY)(NYSE Texas:UAMY), a leading producer and processor of antimony, zeolite, and other critical minerals, and the only fully integrated antimony company in the world outside of China and Russia, today announced that Richard Isaak, the Company's Senior Vice President and Chief Financial Officer, has commenced a temporary personal leave of absence effective May 4, 2026. The Board of Directors has appointed Shawn Winkler, the Company's prior Financial Consultant, to serve as Interim Chief Financial Officer during Mr. Isaak's absence, effective May 4, 2026.