Perpetua breaks ground on early works at the Stibnite gold-antimony project after posting $139M in financial assurance

Perpetua Resources/Stibnite Gold-Antimony Project

After nine years of permitting, Perpetua started early construction at Stibnite once it posted $139M of financial assurance and the Forest Service confirmed the 2025 approval's conditions were met. The project holds the only known US antimony reserve.

• Record of Decision was issued in January 2025.
• Gold reserves of 4.8 million oz; about 450,000 oz a year in the first four years.
• About 950 jobs during construction and 550 in operations.
• Over $80M already received from the US Department of Defense.