Perpetua Resources, US Army, and Idaho National Laboratory Launch Critical Minerals Pilot Plant to Advance Antimony Trisulfide Supply

Perpetua Resources, US Army, and Idaho National Laboratory Launch Critical Minerals Pilot Plant to Advance Antimony Trisulfide Supply

PR Newswire

BOISE, Idaho, July 30, 2026

Stibnite Gold Project anchors U.S. Army's nearest-term opportunity for a fully domestic antimony supply chain Processing plant at the Idaho National Laboratory advances domestic critical mineral processing capabilitiesPerpetua Resources' Stibnite Gold Project was key source of World War II military-grade antimony and tungstenBOISE, Idaho, July 30, 2026 /PRNewswire/ -- Perpetua Resources Corp. (Nasdaq: PPTA) (TSX: PPTA) ("Perpetua Resources," "Perpetua," or the "Company"), the U.S. Army and Idaho National Laboratory ("INL"), managed by Battelle Energy Alliance LLC ("Battelle"), announced the opening of a new modular mineral processing plant ("pilot plant"). The pilot plant is designed to demonstrate and help establish a secure, end-to-end domestic supply chain for antimony, a critical mineral essential to U.S. national security. Idaho Governor Brad Little, Lieutenant Governor Scott Bedke, U.S. Representative Mike Simpson, and INL Laboratory Director John Wagner joined Perpetua President and CEO Jon Cherry for a ribbon-cutting ceremony marking the facility's opening on July 29, 2026.