U.S. GoldMining Inc. filed an S-K 1300 technical report summary and NI 43-101 technical report for the initial economic assessment (PEA) of its 100%-owned Whistler Gold-Copper Project in Alaska, effective March 2, 2026. The PEA demonstrates strong economics with after-tax NPV5% of $2.0 billion at base prices, IRR of 33%, and payback of 2.1 years, highlighting significant production potential.
Key takeaways
Filed S-K 1300 and NI 43-101 reports for Whistler PEA, effective March 2, 2026
After-tax NPV5% of $2.0 billion, IRR 33%, initial payback 2.1 years at base prices ($3,200/oz Au, $4.50/lb Cu, $37.50/oz Ag)
At spot prices, after-tax NPV5% ~$4.9 billion, IRR 62%, payback 1.2 years
Annual AuEq production 345,000 oz first three years, LOM average 246,000 oz over 14.6-year mine life
Initial capital expenditures ~US$1.3 billion including 20% contingency, LOM AISC $1,046 per gold ounce (by-product basis)
PEA considers one of three deposits with Resources, additional exploration targets identified