i-80 Gold gets Archimedes permits, starts construction; high-grade assays at Granite Creek

i-80 Gold Corp.

• Archimedes permits received from NDEP and BLM; underground development initiated; first gold output expected Q4 2026.
• Phase One targets annual gold output of 150,000-200,000 oz by 2028, from current <50,000 oz.
• PEA: after-tax NPV $644M at 5% discount, IRR 81% at $3,000/oz gold, 10-year mine life.
• Archimedes infill drilling accelerated ~12 mo to 175+ holes/60,000m; feasibility study targeted Q1 2027.
• Granite Creek infill: first 6 holes show robust high-grade mineralization with potential north and at depth expansion.