Whistler gold recovery improves to 85.3% via flotation+leach, up 22% from prior test

U.S. GoldMining Inc.

Combined flotation and cyanide leach achieved 85.3% Au, 79.1% Cu, 55.3% Ag recoveries.
Copper concentrate graded 23.7% Cu with 0.6% mass pull; leach recovered additional 31.2% Au from tails.
Previous metallurgy yielded ~70% Au recovery; new 22% increase due to sequential leach step.
Test program used master composite representing average Whistler deposit resource grade (0.68 g/t AuEq).
Results provide key inputs for the ongoing Preliminary Economic Assessment (PEA).

This headline and bullets were generated automatically by deepseek-v4-flash:cloud@v2 from the public filing. Read the source on SEC.gov before relying on any specific claim. Not investment advice. See methodology for how this pipeline works.