Company: GIGGU
Filing Date: 2025-09-29
Form Type: 425
Source: 0001193125-25-221783
Chunk: 14

Company: GigCapital7 Corp.
Filing Date: 2025-09-29
Form: 425
Chunk 14
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 Merger and the Transactions.

The Sponsor has further agreed to vote against (i) any action, agreement, transaction, or proposal that would result in a material breach
of any covenant, representation, warranty, or other obligation of GigCapital7 under the Business Combination Agreement or that would reasonably be expected to prevent the Merger from being consummated, (ii) any business combination proposal
other than with the Company, (iii) any other action that would reasonably be expected to (A) impede, interfere with, delay, postpone or attempt to discourage, frustrate the purpose of, result in the termination or failure to consummate of,
prevent or nullify any provision of, the Sponsor Support Agreement, the Business Combination Agreement or any other obligation or agreement in connection with the Business Combination Agreement or any of the Transactions or adversely affect the
Merger or any of the Transactions, or (B) result in a breach of any covenant, representation or warranty or other obligation or agreement of the Sponsor contained in the Sponsor Support Agreement, the Business Combination Agreement or any other
obligation or agreement in connection with the Business Combination Agreement or the Transactions, and (iv) change in any manner the voting rights of any class of GigCapital7’s share capital.

The Sponsor has provided the Company with an irrevocable proxy to vote the GigCapital7 Sponsor Shares in a manner that is consistent with the
above stated voting obligations of the Sponsor.

The Sponsor Support Agreement restricts the Sponsor from transferring all of its
GigCapital7 Sponsor Shares prior to the earliest of: (i) the Closing, (ii) termination of the Business Combination Agreement, or (iii) mutual agreement of parties.

The foregoing description of the Sponsor Support Agreement and the transactions contemplated thereby is not complete and is subject to, and
qualified in its entirety by reference to, the form of Sponsor Support Agreement, a copy of which is filed with this Current Report as , and the terms of which are incorporated into this Current Report by reference.

Transaction Support Agreement

Simultaneously with the execution and delivery of the Business Combination Agreement, GigCapital7 and two stockholders of the Company, Samuel
Gibson and Mark Kress, who collectively own more than 50% of the Company’s issued and outstanding Company Common Stock and are the Chief Executive Officer and Chief Financial Officer, respectively, of the Company, (collectively, the
“”), have executed the Transaction Support Agreement, dated September 27, 2025 (the “”), pursuant to which