Company: GIGGU
Filing Date: 2025-09-29
Form Type: 425
Source: 0001193125-25-221783
Chunk: 260

Company: GigCapital7 Corp.
Filing Date: 2025-09-29
Form: 425
Chunk 260
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 OR ACCURACY OF THE DISCLOSURE IN THIS COMMUNICATION.
ANY REPRESENTATION TO THE CONTRARY CONSTITUTES A CRIMINAL OFFENSE.

Participants in the Solicitation

Hadron, GIG and their respective directors, executive officers, management and employees, under SEC rules, may be deemed to be participants in a solicitation
of proxies of GIG’s shareholders in connection with the Business Combination. Investors and shareholders may obtain more detailed information regarding the names, affiliations, and interests of GIG’s directors and executive officers in
its filings with the SEC, including GIG’s Annual Report on Form 10-K for the fiscal year ended December 31, 2024, filed with the SEC on March 6, 2025, as amended by Amendment No. 1 on Form
10-K/A filed with the SEC on April 16, 2025. Information regarding the persons who may, under SEC rules, be deemed participants in the solicitation of proxies of GIG shareholders in connection with the
Business Combination will be set forth in the Registration Statement, along with information concerning the interests of Hadron’s and GIG’s participants in the solicitation. Such interests may in some cases be different from those of
Hadron’s or GIG’s equity holders generally.

No Offer or Solicitation

This communication does not constitute an offer to sell or the solicitation of an offer to buy any securities, or a solicitation of any vote or approval, nor
shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. This communication is not, and under no
circumstances is to be construed as, a prospectus, an advertisement or a public offering of the securities described herein in the United States or any other jurisdiction. No offer of securities shall be made except by means of a prospectus filed
with the SEC meeting the requirements of Section 10 of the Securities Act of 1933, as amended, or exemptions therefrom.

Contact:

Cliff Maroney

Aspectus Group for Hadron Energy

cliff.maroney@aspectusgroup.com