High-Grade Antimony Assays From Greyhound Property

VANCOUVER - Metallis Resources Inc. reported on the second field exploration program at the Greyhound Property. The Property is a high-grade silver/gold/antimony project within the historic Stibnite (antimony mineral) Mining Camp, located in central Idaho. This Mining Camp is currently the most important antimony region in the United States and is rapidly evolving into an integrated domestic antimony supply center. This has been exemplified recently  with an agreement between Perpetua Resources  and Sunshine Silver to explore the feasibility of utilizing Sunshine Silver's permitted antimony plant in Idaho to process concentrates from Perpetua's nearby Stibnite Gold Deposit.

At the Property, a total of 44 rock samples and 129 soil samples were collected during the Program with multiple high-grade antimony results being returned. These assays compliment the previously released silver, gold, lead, and zinc assays. The Program also involved the assaying of underground material (historically collected by the property owner from the 1350' zone) that included 2 buckets of Greyhound concentrates and 3 well-mineralized grab specimens1, both of which returned very high-grade silver/gold/antimony results that highlight the richness of this past-producing mine.

Dave Dupre, VP of Exploration, said, "The Greyhound Property continues to represent a significant untested resource for high-grade antimony, gold, silver, and associated metals. Results from this year's inaugural field programs have produced high-grade assays from the Bulldog target and the 1350' zone, confirming the extent and quality of mineralization and highlighting its potential as a rich source of antimony. Combining these results with the promising historic concentrate results and other exploration opportunities at zones like Akita and Ridge Cut, this initial work supports advancing these targets to drill testing and unlocking this property's full potential.

2024 has seen a rapid rise in antimony prices underscoring its critical global importance. Antimony trioxide prices in Rotterdam surged 228% since January 2024, reaching US$39,000 per metric ton by late November. With tight supplies, driven by China's declining reserves, and increasing demand for uses in batteries, semiconductors and armaments, the pressure to develop domestic supply is mounting. For the US, this is a pivotal moment. By supporting and advancing domestic projects and securing supply chains, we can reduce reliance on foreign production and support industries essential to energy transition and national security. This is why exploration companies like Metallis, and our exploration efforts, are so crucial right now."