Moon River Moly Announces Robust Updated Preliminary Economic Assessment of Davidson Molybdenum-Copper-Tungsten Critical Minerals Project Demonstrating Improved Economics

HIGHLIGHTS: The changes from the previous Preliminary Economic Assessment issued in December 2025 (“Previous PEA”) include:an upgrade in the tungsten mineral resource from inferred to measured and indicated (“M & I”) mineral resources, updated capital and operating costs, and a change in the tungsten recovery methodology from gravity to flotation concentration. 350% increase in annual tungsten production from the Previous PEA. The use of flotation instead of gravity as the recovery method,…

Source: https://www.newsfilecorp.com/release/320318/Moon-River-Moly-Announces-Robust-Updated-Preliminary-Economic-Assessment-of-Davidson-MolybdenumCopperTungsten-Critical-Minerals-Project-Demonstrating-Improved-Economics