May 8, 2026

GigCapital7 Corp. Announces Shareholder Approval of Business Combination with Hadron Energy

GigCapital7 Corp. (NASDAQ: GIG) (“GigCapital7”) today announced that at the Extraordinary General Meeting of Shareholders (the “Extraordinary Meeting”) held on May 7, 2026, GigCapital7’s shareholders voted to approve the previously announced proposed business combination between GigCapital7, Hadron Energy, Inc. (“Hadron”) and MMR Merger Sub, Inc. (“Merger Sub”), as well as all other proposals related to the Business Combination, including the domestication from the Cayman Islands to Delaware which will occur at least two days prior to the merger of Hadron with and into Merger Sub.

GigCapital7 plans to file the results of the Extraordinary Meeting, as tabulated by an independent inspector of elections, on a Form 8-K with the Securities and Exchange Commission today.

In addition, GigCapital7 intends to file the certificate of corporate domestication and the interim certificate of incorporation approved by the shareholders at the Extraordinary Meeting promptly upon receiving necessary Nasdaq regulatory clearances. As a result, once such filing takes place, GigCapital7’s securities will commence trading as shares of common stock under the ticker symbol “GIG”, warrants under the ticker symbol “GIGGW”, and units under the ticker symbol “GIGGU” in domesticated GigCapital7 under the CUSIP numbers 37518P101, 37518P119, and 37518P200, respectively, with market effectiveness the following day, and with no changes to the number of outstanding securities.

About Hadron Energy, Inc.

Hadron is a pioneer in MMR technology. Designed to deliver 10 MWe of continuous power, the Halo MMR is smaller, more cost-effective, and faster to deploy than other proposed nuclear power solutions. The reactor’s vessel, core, and containment shell are fully truck-transportable, enabling deployment across AI data centers, industrial hubs, remote communities, and infrastructure facilities where traditional power solutions cannot deliver. Hadron is advancing the Halo MMR through an integrated program of technical development, NRC licensing engagement, and a growing portfolio of strategic supply chain and deployment partnerships. For more information, please visit www.hadronenergy.com.