Company: GIGGU
Filing Date: 2025-09-29
Form Type: 425
Source: 0001193125-25-221783
Chunk: 226

Company: GigCapital7 Corp.
Filing Date: 2025-09-29
Form: 425
Chunk 226
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 Placement Warrants (the “”); and

WHEREAS, as a condition and inducement to the willingness of GigCapital7 and the Company to enter into
the BCA and to contemplate the transactions contemplated therein, GigCapital7, the Company and the Sponsor are entering into this Agreement.

AGREEMENT

NOW, THEREFORE, in consideration of the foregoing and the mutual covenants and agreements set forth herein, and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, and intending to be legally bound
hereby, the Sponsor, GigCapital7 and the Company hereby agree as follows:

1. . The Sponsor agrees that, at the
GigCapital7 Stockholders’ Meeting, at any other meeting of the stockholders of GigCapital7 (whether annual or special and whether or not an adjourned or postponed meeting, however called and including any adjournment or postponement thereof)
and in connection with any written consent of the stockholders of GigCapital7 or in any circumstances upon which a vote, consent or other approval with respect to the BCA, the Merger or any other transactions contemplated by the BCA is sought, the
Sponsor shall:

a. when such meeting is held, appear at such meeting or otherwise cause the Sponsor Shares to be counted as present
thereat for the purpose of establishing a quorum;

b. vote (or execute and return an action by written consent), or cause to be voted at
such meeting (or validly execute and return and cause such consent to be granted with respect to), all of the Sponsor Shares:

(i) in favor of the approval and adoption of the BCA and approval of the Merger and all other transactions contemplated by the
BCA or, if there are insufficient votes in favor of granting the approval and adoption of the BCA, the Merger and other transactions contemplated by the BCA, in favor of the adjournment or postponement of such meeting of the stockholders of
GigCapital7 to a later date;

(ii) against any business combination agreement or business combination, merger agreement or
merger (other than the BCA and the Merger), scheme of arrangement, consolidation, combination, sale of substantial assets, reorganization, recapitalization, dissolution, liquidation or winding up of or by GigCapital7 or any public offering of equity
securities of GigCaptial7; (iii) against any change in the business, management or board of directors of GigCapital