United States Antimony Corporation Announces $25 Million Registered Direct Offering of Common Stock Priced Above Market Under NYSE Rules

"The Critical Minerals and ZEO Company"

~ Antimony, Cobalt, Tungsten, and Zeolite ~

DALLAS, TEXAS / ACCESS Newswire / October 10, 2025 / United States Antimony Corporation ("USAC," "US Antimony," or the "Company"), (NYSE American:UAMY)(NYSE Texas:UAMY), a leading producer and processor of antimony, zeolite, and other critical minerals, today announced that it has entered into a securities purchase agreement with a leading long-only mutual fund for aggregate proceeds of approximately $25 million.

The Company intends to use the net proceeds from this financing on a number of different objectives. A combination of acquiring additional antimony and other critical mineral inventory, expanding our leasehold mineral positions in both Alaska and Montana, potentially increasing capacity at the Madero Smelter, pursuing acquisitions of other critical mineral companies, and for general working capital purposes.

Commenting on this new equity capital raise, Mr. Gary C. Evans, Chairman and Chief Executive Officer of United States Antimony Corporation stated, "We have now raised a total of $69.25 million in three separate tranches with two large institutions over the last 45 days at increasingly higher share prices. While we have not solicited these institutions, we have attempted to take advantage of the opportunity in the best way possible for the benefit of our shareholders. These capital raises have been completed with minimal or no discounts to market. This practice has allowed us to strategically bring large institutional fundamental investors into our Company's shareholder base."

The purchase agreement of 2,377,657 shares of common stock provides aggregate gross proceeds of approximately $25 million, before deducting placement agent commissions and other offering expenses. The offering is expected to close on or about October 14, 2025, subject to the satisfaction of customary closing conditions.

Titan Partners Group, a division of American Capital Partners, is acting as the sole placement agent for the Offering.

This offering is being made pursuant to an effective shelf registration statement on Form S-3 (File No. 333-284057) which was declared effective by the Securities and Exchange Commission (the "SEC") on April 24, 2025. The offering is made only by means of a prospectus which is part of the effective registration statement. A final prospectus supplement and the accompanying prospectus relating to the registered direct offering will be filed with the SEC and will be available on the SEC's website located at http://www.sec.gov. Additionally, when available, electronic copies of the final prospectus supplement and the accompanying prospectus may be obtained, when available, from Titan Partners Group LLC, a division of American Capital Partners, 4 World Trade Center, 49^th Floor, New York, NY 10007, or by telephone at 929-833-1246, or by email at [e-mail].