Name of the Project
Stibnite gold project.

Location
Central Idaho, in the US.

Project Owner/s
Mining exploration and development company Perpetua Resources Corp.

Project Description
The project is expected to be one of the highest-grade openpit gold mines in the US. It is designed to redevelop the abandoned Stibnite mine site for gold, silver and antimony, while providing environmental restoration for the dormant site. 

The project contains an estimated 4.8-million-ounce gold reserve and a production profile of about 300 000 oz/y over a 15-year mine life. The project is expected to produce 450 000 oz/y of gold over the first four years of production. 

In addition, the estimated 148-million-pound antimony reserve is the only identified antimony reserve in the US, and is expected to supply an estimated 35% of the country’s demand in the first six years of operation. Antimony is a listed critical mineral for its role in technology, defence and energy products.

Potential Job Creation
The project is expected to provide an estimated 550 jobs for rural Idaho during operations.

Net Present Value/Internal Rate of Return
The project boasts a $3.7-billion after-tax net present value at a 5% discount rate and an internal rate of return exceeding 27% at current spot prices.

Capital Expenditure
Not stated.

Planned Start/End Date
Perpetua expects to make a final construction decision in 2025.

Latest Developments
Perpetua has started detailed engineering and a procurement contract with Idaho Power for powerline materials.

This follows recently completed basic engineering and updated cost projections for the project, reaffirming its strong economic potential. 

The project's estimated all-in sustaining costs are projected to average $435/oz over the first four years of production and under $760/oz over the mine’s life span, making it one of the lowest-cost gold projects in a Tier 1 jurisdiction.

"With the final record of decision published and basic engineering complete, Perpetua looks forward to finalising our few remaining ancillary permits and securing financing to start construction in 2025 to become a reliable source of . . . antimony for defence needs," Perpetua president and CEO Jon Cherry has said.

Key Contracts, Suppliers and Consultants
None stated.

Contact Details for Project Information
Perpetua Resources Corp, tel +1 208 901 3060 or email info@perpetuacorp.us.