Perpetua Resources, US Army open antimony processing pilot plant at Idaho National Laboratory

• Perpetua Resources, the U.S. Army, and Idaho National Laboratory opened a modular antimony processing pilot plant in Idaho Falls on July 29, 2026.
• Facility targets production of high-quality antimony trisulfide using material from the Stibnite Gold Project to support a domestic “ground-to-round” supply chain.
• Project aims to reduce U.S. reliance on China and Russia; China halted U.S. supply of specialized antimony trisulfide in 2021.
• Stibnite Gold Project received final federal approvals in 2025; early works construction is underway to develop gold output alongside antimony.
• Since 2022, Perpetua has received over $87 million in U.S. Department of War and U.S. Army funding, including more than $59 million under Defense Production Act Title III.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Perpetua Resources Corp. published the original content used to generate this news brief via PR Newswire (Ref. ID: 202607300630PR_NEWS_USPR_____VA15728) on July 30, 2026, and is solely responsible for the information contained therein.