Promotion Recognizes Important Development of HydroGraph Graphene Products, Alignment of Scientific Programs with Technology Development and Research Priorities Company Provides Balance Sheet Updates, Cash at More than $41 Million AUSTIN, Texas, June 03, 2026 (GLOBE NEWSWIRE) — HydroGraph Clean Power Inc. (CSE: HG) (OTCQB: HGRAF) (“HydroGraph” or the “Company”) today announced the promotion of Dr. [...]