Mr. Matt Kreps reports

HYDROGRAPH TO HOST CORPORATE UPDATE CONFERENCE CALL ON JULY 16, 2026

Hydrograph Clean Power Inc. management will host a corporate update conference call at 8:30 a.m. Eastern Time on Thursday, July 16, 2026.

The call will provide a comprehensive overview of the continuing development of Hydrograph's business, including the recently announced agreement with Western International Gas & Cylinders Inc. for a long-term supply of acetylene gas and land lease for Hydrograph's first large-scale United States graphene production facility, to be located in Bellville, Tex.

Additionally, the company intends to provide updates on its continued commercial progression, redomicile, and uplisting plans and interest from the U.S. federal government as it relates to securing fully domestic supply chains of critical materials, including graphene.

The conference call will be accessible via a link on HydroGraph's website. Call attendees will be able to submit questions via an on-line interface within the webcast site. Attendees are encouraged to join the call prior to the start time in order to register and ensure full availability of the call features within their individual Web browsers.

A webcast replay of the call will be available on the website shortly following the live event.

About Hydrograph Clean Power Inc.

Hydrograph is a leading producer of pristine graphene using an explosion synthesis process, which allows for exceptional purity, low energy use and identical batches. The quality, performance and consistency of HydroGraph's graphene follow the Graphene Council's Verified Graphene Producer standards, of which very few graphene producers are able to meet.

We seek Safe Harbor.