Correction: HydrogenPro ASA: Mandatory notification of trade

Oslo, 20 July 2026: Reference is made to the stock exchange notices made by HydrogenPro ASA ("HydrogenPro" or the "Company") on 13 July 2026 regarding the commencement of the subscription period in the subsequent offering (the "Subsequent Offering") of up to 12,762,444 new shares in the Company (the "Offer Shares") at a subscription price of NOK 0.50 per share, and regarding the intention of certain primary insiders of the Company to subscribe for Offer Shares in the Subsequent Offering.

Jan-Henrik Kuhlefelt, General Manager HydrogenPro Tianjin and primary insider of the Company, has today subscribed for 100,000 Offer Shares, of which 3,141 Offer Shares were subscribed for by exercising subscription rights, and 96,859 Offer Shares were over-subscribed for without subscription rights. Jan-Henrik Kuhlefelt holds 10,000 existing shares in the Company prior to the subscription.

Please see the attached notification form for further information.*

Advisors

The Company has appointed Clarksons Securities AS as manager in the Subsequent Offering.

Wikborg Rein Advokatfirma AS acts as legal counsel to the Company.

About HydrogenPro

HydrogenPro is a technology company and an OEM for high pressure alkaline electrolyser and supplies large scale green hydrogen plants, all ISO 9001, ISO 45001 and ISO 14001 certified. The Company was founded in 2013 by individuals with background from the electrolysis industry which was established in Telemark, Norway by Norsk Hydro in 1927. We are an experienced engineering team of leading industry experts, drawing upon unparalleled experience and expertise in the hydrogen and renewable energy industry.

This information is subject to the disclosure requirements pursuant to article 19 of Regulation (EU) No 596/2014 (the EU Market Abuse Regulation) and section 5-12 of the Norwegian Securities Trading Act.

*This announcement corrects the stock exchange announcement published today, 20 July 2026 at 10:16 CEST with messageID 678431. The original announcement did not include the form containing further transaction details. The form has now been attached, and all other information remains unchanged.

This information has been submitted pursuant to the Securities Trading Act § 5-12 and MAR. The information was submitted for publication, through the agency of the contact persons set out above, at 2026-07-20 14:27 CEST.