Company: GIGGU
Filing Date: 2025-11-12
Form Type: S-4
Source: 0001193125-25-277896
Chunk: 256

Company: GigCapital7 Corp.
Filing Date: 2025-11-12
Form: S-4
Chunk 256
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 Business Days prior to the extraordinary general meeting date in order to ensure access. |

If your shares are held in “street name” or are in a margin or similar account, you should contact your broker to ensure that votes related to the shares you beneficially own are properly counted. If you wish to attend the meeting and vote in person or online and your shares are held in “street name”, you must obtain a legal proxy from your broker, bank or nominee. That is the only way GigCapital7 can be sure that the broker, bank or nominee has not already voted your shares. Revoking Your Proxy If you are a GigCapital7 shareholder and you give a proxy, you may revoke it at any time before it is exercised by doing any one of the following:

| • |     | sending another proxy card with a later date; |

| • |     | notifying Dr. Avi Katz, Chairman and Chief Executive Officers of GigCapital7, in writing before the extraordinary general meeting that you have revoked your proxy; or |

| • |     | attending the extraordinary general meeting in person or virtually, revoking your proxy, and voting as described above. |

If your shares are held in “street name” or are in a margin or similar account, you should contact your broker for information on how to change or revoke your voting instructions. 115

#### Who Can Answer Your Questions about Voting Your SharesIf you are a shareholder and have any questions about how to vote or direct a vote in respect of your GigCapital7 Ordinary Shares, you may call Morrow Sodali LLC, our proxy solicitor, by calling (800)662-5200,or banks and brokers can call collect at (203)658-9400,or by emailing GIA.info@investor.morrowsodali.com.Redemption RightsPursuant to the Cayman Constitutional Documents, a Public Shareholder may request to redeem all or a portion of its Public Shares for cash in connection with the Business Combination. As a Public Shareholder, you will be entitled to receive cash for any Public Shares to be redeemed only if you:(a)(i) hold Public Shares or (ii) hold Public Shares through GigCapital7 Units and elect to separate your GigCapital7 Units into the underlying Public Shares and Public Warrants prior to exercising your redemption rights with respect to the Public Shares;(b)submit a written request to Continental, including the legal name, phone number and address of the beneficial owner of the Public Shares for which redemption is requested, that Gig