Company: GIGGU
Filing Date: 2025-09-29
Form Type: 425
Source: 0001193125-25-221783
Chunk: 26

Company: GigCapital7 Corp.
Filing Date: 2025-09-29
Form: 425
Chunk 26
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estication, and (b) file the Domesticated Purchaser Charter with the Secretary of State of the State of Delaware;

WHEREAS,
upon the terms and subject to the conditions of this Agreement, and in accordance with the DGCL and the Cayman Companies Act, as applicable, the Parties intend to enter into a business combination transaction by which the Company and Merger Sub will
file with the Secretary of State of the State of Delaware a certificate of merger substantially in the form attached hereto as (the “”) in accordance with the applicable provisions of the DGCL
and pursuant thereto Merger Sub will merge with and into the Company (the “,” and together with the Domestication and the other Transactions and the Ancillary Documents, the “”), with the
Company being the surviving company of the Merger (the Company, in its capacity as the surviving corporation of the Merger, is sometimes referred to as the “”);

1

WHEREAS, at the Effective Time of the Merger, the Domesticated Purchaser Class B
Common Stock will be automatically converted into Domesticated Purchaser Common Stock in accordance with the Domesticated Purchaser Charter (the “”);

WHEREAS, as a condition and inducement to the Company’s willingness to enter into this Agreement, simultaneously with the
execution and delivery of this Agreement, the Sponsor has executed and delivered to the Company the Sponsor Support Agreement, dated as of the date hereof (the “”), pursuant to which the Sponsor has agreed
to, among other things, vote to adopt and approve this Agreement and the other documents contemplated hereby (including the applicable Ancillary Documents) and the Transactions and vote against any competing proposals at the Purchaser
Shareholders’ Meeting;

WHEREAS, as promptly as reasonably practicable (and in any event within ten (10) Business Days)
following the date of this Agreement, Persons with the right to cast at least fifty percent (50%) of the votes entitled to be cast at a special meeting of the stockholders of the Company if called as of the date of this Agreement to approve the
Merger (collectively, the “”) will duly execute and deliver to Purchaser a transaction support agreement, substantially in the form attached hereto as (collectively, the
“”), pursuant to which each such Supporting Company Stockholder will agree to, among other things, support and vote in favor of this Agreement, the Ancillary Documents to which the Company is or will
be a party and the Transactions (including the Merger);

WHEREAS