United States Antimony Corporation to Participate in Piper Sandler Growth Frontiers Conference This Week

"The Critical Minerals and ZEO Company" ~ Antimony, Gold, Tungsten, and Zeolite ~

DALLAS, TX / ACCESS Newswire / September 14, 2026 / 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 certain members of its senior management team will participate in the Piper Sandler Growth Frontiers Conference, being held September 14-16, 2026, in Nashville, Tennessee.

The conference is being held at the Virgin Hotels Nashville, 1 Music Square W, Nashville, Tennessee, and brings together institutional investors and senior executives from participating companies.

During the conference, USAC management will participate in a series of one-on-one and small-group meetings with institutional investors, in addition to a "Fire-Side Chat" with Mr. Evans. Management will provide an opportunity to discuss the Company's ongoing execution, growth strategy, expanding North American critical-minerals platform, and its role in strengthening domestic supply chains for antimony and other strategic critical minerals.

Conference Details

Event: Piper Sandler Growth Frontiers Conference Dates: September 14-16, 2026 Location: Virgin Hotels Nashville Address: 1 Music Square W, Nashville, TN 37203

Investors interested in meeting with United States Antimony during the conference should contact their Piper Sandler representative regarding scheduling and availability.

About USAC:

United States Antimony Corporation and its subsidiaries in the U.S., Mexico, and Canada ("USAC," "U.S. Antimony," the "Company," "Our," "Us," or "We") sell antimony, zeolite, and precious metals primarily in the U.S., Mexico, and Canada. The Company mines, purchases, and processes ore primarily into antimony oxide, antimony metal, antimony trisulfide, and precious metals at its facilities located in Montana and Mexico. Antimony oxide is used to form a flame-retardant system for plastics, rubber, fiberglass, textile goods, paints, coatings, and paper, as a color fastener in paint, and as a phosphorescent agent in fluorescent light bulbs. Antimony metal is used in bearings, storage batteries, and ordnance. Antimony trisulfide is used as a primer in ammunition. The Company also recovers precious metals, primarily gold and silver, at its Montana facility from third party ore. At its Bear River Zeolite ("BRZ") facility located in Idaho, the Company mines and processes zeolite, a group of industrial minerals used in water filtration, sewage treatment, nuclear waste and other environmental cleanup, odor control, gas separation, animal nutrition, soil amendment and fertilizer, and other miscellaneous applications. Beginning in 2024 and continuing in 2025, the Company acquired mining claims, real properties (patented claims) and leases located in Alaska, Montana, and Ontario, Canada in an effort to reduce the cost of third-party antimony ore purchases and to expand its product offerings.

About Piper Sandler

Piper Sandler Companies (NYSE:PIPR) is a leading investment bank serving clients in the United States and internationally. The firm provides comprehensive advisory, capital raising and restructuring services, along with specialized investment research, sales and trading solutions across fixed-income and equity markets. Founded in 1895, Piper Sandler today has more than 1,850 employees across seven countries and more than 60 offices globally.

For additional information, visit http://www.pipersandler.com.

Learn more about United States Antimony Corporation at www.usantimony.com.

Forward-Looking Statements:

This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, including, without limitation, statements regarding the Company's future operations, production levels, financial performance, business strategy, market conditions, demand for antimony, zeolite, other critical minerals, and precious metals, expected costs, and other statements that are not historical facts. These statements are based on current expectations, estimates, forecasts, and projections about the industries in which the Company operates, as well as management's beliefs and assumptions. Words such as "anticipates," "expects," "intends," "plans," "believes," "seeks," "estimates," "may," "will," "should," "could," and variations of these words or similar expressions are intended to identify such forward-looking statements.

Forward-looking statements are subject to certain risks and uncertainties that could cause actual results to differ materially from those indicated in such statements, including, but not limited to: fluctuations in the market prices and demand for antimony and zeolite; changes in domestic and global economic conditions; operational risks inherent in mining and mineral processing; geological or metallurgical conditions; availability and cost of energy, equipment, transportation, and labor; the Company's ability to maintain or obtain permits, licenses, and regulatory approvals; changes in environmental and mining laws or regulations; competitive factors; the impact of geopolitical developments; and the effects of weather, natural disasters, or health pandemics on operations and supply chains. Additional information regarding risk factors that could cause actual results to differ materially is included in the Company's filings with the U.S. Securities and Exchange Commission, including its Annual Report on Form 10-K and Quarterly Reports on Form 10-Q.

The Company undertakes no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events, or otherwise, except as required by law. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof.

Investor Relations Contact: Jonathan Miller, VP, Investor Relations United States Antimony Corporation 4438 W. Lovers Lane, Unit 100 Dallas, Texas 75209 Phone: 406-606-4117 Email: Jmiller@usantimony.com

Media Relations Contact: Anthony D. Andora Edge Consulting, Inc. 1560 Market Street, Ste. 701 Denver, Colorado 80202 Phone: 720-317-8927 Email: Anthony@EdgeConsultingSolutions.com

SOURCE: United States Antimony Corporation View the original press release on ACCESS Newswire

Article ID: nACSg7zM3a-20260914 Archive began May 2026 · Available for up to 365 days after publication