Hycroft updates on underground development, roasting vs POX trade-off, heap leach restart evaluation

HYCROFT MINING HOLDING CORP

Finalizing internal assessment of underground development options for high-grade Brimstone and Vortex systems; RESPEC engaged for conceptual mine plan and decline evaluation.
Completed roasting metallurgical test program; trade-off analysis vs pressure oxidation underway, with roasting offering potential sulfuric acid revenue stream.
Evaluating heap leach restart; RC drill program initiated late 2025 defined oxide/transition material; metallurgical testing in progress.
Awaiting two additional core rigs expected in Q4 2026 to accelerate drilling on Vortex and Brimstone and test other targets.
Unveiled refreshed brand identity, redesigned website and updated corporate presentation reflecting company transformation.

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