Company: GIGGU
Filing Date: 2025-09-29
Form Type: 425
Source: 0001193125-25-221783
Chunk: 15

Company: GigCapital7 Corp.
Filing Date: 2025-09-29
Form: 425
Chunk 15
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 the Supporting Company Stockholders
have agreed, among other things, to vote all of their shares of the Company Common Stock in favor of adopting and approving the Business Combination Agreement, the Merger, and the Transactions.

The Supporting Company Stockholders have further agreed, subject to the Closing, to the
termination of any of their rights under the Company’s Bylaws or any letter agreement providing for redemption rights, put rights, purchase rights, or similar rights that are not generally available to all stockholders, effective immediately
prior to the Closing, and agree that prior thereto, the Supporting Company Stockholderswill not exercise such rights in any manner inconsistent with the Business Combination Agreement or otherwise reasonably likely to interfere with, delay,
impede, frustrate or prevent the consummation of the Merger.

The Transaction Support Agreement restricts the Supporting Company
Stockholders from directly or indirectly, (a) selling, assigning, transferring (including by operation of law), creating any lien or pledge, disposing of, or otherwise encumbering any of the shares or otherwise, or agreeing to do any of the
foregoing, except if pursuant to the Business Combination Agreement or to another stockholder bound by the terms of the Transaction Support Agreement; (b) depositing any shares into a voting trust or entering into a voting agreement or
arrangement or granting any proxy or power of attorney with respect thereto that is inconsistent with the Transaction Support Agreement; and (c) entering into any contract, option or other arrangement or undertaking with respect to the direct
acquisition or sale, assignment, transfer or other disposition of any shares, except as set forth in the Business Combination Agreement or the Transaction Support Agreement.

The foregoing description of the Transaction 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 Transaction 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.

Registration Rights Agreement

In
connection with the Transactions, simultaneously with the Closing, Domesticated GigCapital7 and certain holders named therein will enter into at the Closing an amended and restated Registration Rights Agreement (the “”) that amends and restates the Registration Rights Agreement, dated August 28, 2024, by and among GigCapital7, the Sponsor and certain other security holders named therein (the “”). Under the terms of the Amended and Restated Registration Rights Agreement, Domesticated GigCapital7 will be obligated to file one