Ms. Kjirstin Breure reports

HYDROGRAPH ANNOUNCES CLOSING OF UPSIZED BOUGHT DEAL offERING FOR GROSS PROCEEDS OF C$70.4 MILLION, INCLUDING FULL EXERCISE OF THE OVER-ALLOTMENT OPTION

Hydrograph Clean Power Inc. has closed its previously announced and upsized bought deal public offering of 10.35 million units of the company at a price of $6.80 per unit for aggregate gross proceeds of $70.38-million. This total includes the full exercise of the overallotment option, pursuant to which 1.35 million units were sold for gross proceeds of $9.18-million. Canaccord Genuity Corp. acted as the sole underwriter and bookrunner.

"The successful completion of this financing represents an important milestone for the company," said Kjirstin Breure, president and chief executive officer of Hydrograph. "The proceeds from this offering will help advance Hydrograph's strategic growth initiatives, including the expansion of our manufacturing facilities in Texas, and development programs and our sales and marketing activities, including those focused on federal and defence initiatives. With this enhanced financial flexibility, we believe Hydrograph is well positioned to execute on its strategic plan to expand the company's production capacity and advance its commercialization strategy."

Each unit consists of one common share of the company and one-half of one common share purchase warrant. Each warrant entitles the holder thereof to acquire one common share at an exercise price of $8.16 at any time until Aug. 25, 2031.

The net proceeds of the offering are expected to be used for business development activities, expansion of American facilities, working capital and general corporate purposes, as further described in the prospectus supplement (as defined below).

The offering was completed pursuant to a prospectus supplement dated Aug. 19, 2026, to the company's (final) short form base shelf prospectus dated June 24, 2026, filed with the securities regulatory authorities in each of the provinces and territories of Canada (except Quebec), and in the United States on a private placement basis pursuant to an exemption from the registration requirements of the United States Securities Act of 1933, as amended, and applicable state securities laws and other jurisdictions. Investors should read the prospectus, including all documents incorporated by reference therein, for more complete information about the company and the offering. Copies of these documents are available under Hydrograph's profile on SEDAR+. The offering remains subject to the acceptance of the Canadian Securities Exchange (the CSE).

In connection with the offering, the company paid Canaccord a cash commission of $4,202,196 and issued to Canaccord 310,500 common share purchase warrants. Each broker warrant is non-transferable and entitles the holder thereof to purchase one common share at an exercise price of $8.16 at any time until Aug. 25, 2029. The broker warrants were issued under prospectus exemptions in accordance with National Instrument 45-106 -- Prospectus Exemptions and are subject to a statutory restricted period of four months and one day (including the common shares issuable upon the exercise of such broker warrants if exercised prior to the expiry of the hold period).

About Hydrograph Clean Power Inc.

Hydrograph is a leading producer of pristine graphene using its proprietary Hyperion Reactor technology, which allows for ultrahigh purity, low energy use and uniform 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.

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