Trilogy Metals Begins Federal Permitting for High-Grade Arctic Copper Project

Domestic copper demand continues to surge, driven by electrification, grid expansion, data center development, and defense applications, but domestic supply has not kept pace. Permitting timelines for major new U.S. mines routinely stretch beyond a decade, shrinking the pipeline of viable near-term projects. Against this backdrop, Trilogy Metals (NYSE American: TMQ) (TSX: TMQ) has reached a significant milestone at its flagship Arctic Project in Alaska’s Ambler Mining District. The company announced that Ambler Metals LLC, its 50/50 joint venture with South32 Limited, has officially commenced federal permitting for the Arctic Project, one of the highest-grade undeveloped open-pittable copper deposits in the world. With an estimated average grade of approximately 5% copper equivalent and meaningful precious-metals byproduct credits, the Arctic Project ranks among the top-tier copper assets globally.

The joint venture has submitted a Clean Water Act Section 404 permit application and plans to pursue FAST-41 coverage to streamline federal review. An independent economic impact study projects the project could support up to 870 statewide jobs, generate approximately $31.3 million in annual Alaska state taxes and fees, and deliver major cost-of-living reductions for remote Alaska Native communities. Trilogy Metals is uniquely positioned to help address the critical copper supply gap, as the U.S. seeks to secure domestic sources of metals essential for clean energy and national security. The company’s newsroom at ibn.fm/TMQ provides the latest updates.

The Arctic Project’s high-grade nature and favorable location in Alaska, a mining-friendly jurisdiction, make it a compelling candidate for rapid development. As the U.S. accelerates its transition to a low-carbon economy, the need for responsibly sourced copper has never been greater. Trilogy Metals, through its joint venture with South32, is advancing one of the few large-scale, high-grade copper projects in the country. The company’s commitment to community engagement and environmental stewardship further strengthens its position as a key player in the domestic critical minerals supply chain.