Columbus Acquisition extends merger deadline to Oct 31, 2026 and secures $10M PIPE from SEALSQ

Columbus Acquisition Corp/Cayman Islands

Outside Date extended to October 31, 2026 via First Amendment to Business Combination Agreement.
SEALSQ Corp commits $10M PIPE investment at ~$10.66/share, closing concurrently with the business combination.
Additional Subscription Shares may be issued if 10-day VWAP after closing is below the PIPE Purchase Price.
PIPE Investor is an affiliate of WISeKey and existing shareholder of the target WISeSat.Space.
First Amendment and Subscription Agreement both executed on August 6, 2026.

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