NOTE 10 — SUBSEQUENT EVENTS

On August 3, 2026, the S-4 Registration Statement filed by HVII, as registrant, and ONE Nuclear, as co-registrant, in connection with the Proposed Business Combination was declared effective by the SEC.

On August 7, 2026, HVII, Merger Sub and ONE Nuclear entered into an amendment to the Business Combination Agreement and Promissory Note (the “Third Omnibus Amendment”). The Third Omnibus Amendment (a) extends (i) the outside date for consummating the Proposed Business Combination from August 15, 2026 to September 30, 2026, and (ii) the maturity date of the Promissory Note from August 15, 2026 to September 30, 2026 and (b) increases the maximum aggregate principal amount of loan advances under the Promissory Note from $316,975 to $620,000.

The Company evaluated subsequent events and transactions that occurred after the condensed consolidated balance sheet date up to the date that the unaudited condensed consolidated financial statements were issued. The Company has concluded that all such events and transactions that would require adjustment or disclosure in the unaudited condensed consolidated financial statements have been recognized or disclosed.