- **Perpetua Resources** announced that **Jessica Largent** will step down as Chief Financial Officer and Board member, effective **October 1, 2025**, and will retire on **January 2, 2026**.  **[1526243_20251001VA87881:0]** 
- **Mark Murchison** has been appointed to succeed Ms. Largent as Chief Financial Officer, effective **October 1, 2025**, bringing over **25 years** of experience in metals and mining finance.  **[1526243_20251001VA87881:0]** 
- Ms. Largent will remain as an advisor through the end of **2025** to facilitate the transition and support ongoing project financing, having helped raise over **$650 million** in funding and initiated an application for up to **$2.0 billion** in project financing.  **[1526243_20251001VA87881:0]** 
- Early works construction for the Stibnite Gold Project is expected to commence this fall after posting Financial Assurance.  **[1526243_20251001VA87881:0]**

Perpetua Resources Announces CFO Change

- Perpetua Resources (PPTA) plans to issue a Request for Proposal (RFP) to evaluate third-party off-site processing facilities for commercial grade antimony, aiming to secure the American antimony supply chain.  **[1526243_20250926VA84023:0]** 
- The company's Stibnite Gold Project, which contains the only domestic reserve of antimony in the United States, has received a conditional Notice to Proceed from the U.S. Forest Service.  **[1526243_20250926VA84023:0]** 
- The RFP is expected to be issued in the coming weeks, with a final selection anticipated in the **fourth quarter of 2025**.  **[1526243_20250926VA84023:0]** 
- This commercial processing initiative is separate from Perpetua's ongoing work with the U.S. Army for mil-spec antimony trisulfide, for which the company has been awarded up to **$22.4 million**.  **[1526243_20250926VA84023:0]**

Perpetua Resources Outlines Next Steps for Commercial Antimony Processing

- Perpetua Resources' **Stibnite Gold Project** has advanced to development after receiving a conditional Notice to Proceed from the U.S. Forest Service, with early works construction expected to begin this fall upon posting financial assurance.  **[1526243_20250919VA78232:0]** 
- The project is set to become America's only mined source of the critical mineral **antimony** for defense systems and is projected to produce approximately **450,000 ounces of gold annually** over its first four years.  **[1526243_20250919VA78232:0]** **[1526243_20250919VA78232:1]** 
- The Stibnite Gold Project has secured **$80 million in Department of Defense funds** and is expected to supply up to **35 percent of U.S. antimony demand** during its first six years of operations, aiming to reduce reliance on foreign adversaries.  **[1526243_20250919VA78232:0]** **[1526243_20250919VA78232:1]**

Perpetua Resources' Stibnite Gold Project Advances to Development

- Perpetua Resources received a **conditional Notice to Proceed** from the U.S. Forest Service for its **Stibnite Gold Project**, confirming all requirements of the January 2025 Record of Decision have been met.  **[1526243_20250919VA77651:0]** 
- Initial construction can commence once the company posts the **joint financial assurance bonding** agreed upon by the USFS, Idaho Department of Lands, and U.S. Army Corps of Engineers.  **[1526243_20250919VA77651:0]** 
- The company anticipates posting the financial assurance in the coming weeks, with **early works project construction expected to begin this fall**.  **[1526243_20250919VA77651:0]** 
- The Stibnite Gold Project is designed to produce America's **only mined source of the critical mineral antimony**, vital for national security and defense, and will also focus on **restoring the abandoned mine site**.  **[1526243_20250919VA77651:0]** **[1526243_20250919VA77651:1]**

PERPETUA RESOURCES (PPTA)