Hycroft reports 55% growth in gold and silver resources to 16.4M oz gold and 562.6M oz silver

HYCROFT MINING HOLDING CORP

Measured and Indicated resources: 16.4M oz gold (+55%) and 562.6M oz silver (+55%); Inferred up 50% gold and 38% silver.
Initial high-grade silver resource: 90.2M oz silver (M+I) from Brimstone and Vortex systems.
Metallurgical test work shows 83% gold recovery and 78% silver recovery via pressure oxidation (POX).
New Technical Report Summary effective Jan 21, 2026 supersedes previous IA from March 2023.
Evaluating roasting alternative with potential sulfuric acid by-product; POX and roasting costs comparable per initial study.

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