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HydroGraph Expands U.S. Operations with New Austin Headquarters

AUSTIN, Texas, Aug. 20, 2025 (GLOBE NEWSWIRE) -- HydroGraph Clean Power Inc. (CSE: ‎HG) (OTCQB:HGRAF) (the "Company" or "HydroGraph"), a leading producer of ultra-pure graphene, today announced it has signed a lease on