American Antimony Advances ALS-Led Flotation Testing on MTA Samples to Develop U.S.-Sourced High-Grade Concentrates as Initial Head Grades Exceed 30% Sb, Placing Bernice Canyon Among the Highest Antimony Head Grades Evaluated Globally

AUSTIN, TX / ACCESS Newswire / February 2, 2026 / American Antimony Corporation, operating as Xtra Energy Corp. (OTCID:XTPT), today announced that initial head grade results have been received from ALS Metallurgy following the recent shipment of approximately 400 kilograms of high-grade antimony material sourced from the Company's Antimony King stockpiles at its American Antimony Project in Bernice Canyon, Nevada. The high-grade material, derived from historic stockpiles generated during past production at ...