Columbus Acquisition Corp Ordinary Shares

WISeKey International Holding Ltd announced preliminary unaudited revenue of approximately $11.4 million for the first half of 2026, an increase of 115% compared to the same period last year. The company also reported approximately $495 million in cash and short-term investments as of June 30, 2026, with zero debt. WISeKey reaffirmed its full-year 2026 guidance of 50% to 100% revenue growth, supported by an active commercial pipeline at its subsidiary SEALSQ exceeding $225 million through 2029. Key strategic milestones in the first half included the filing of a Form F-4 for the WISeSat business combination with Columbus Acquisition Corp, the start of operations at the Quantix joint venture in Spain, and a post-quantum identity partnership with Wecan Group.

WISeKey International Holding and its subsidiary WISeSat.Space Corp. announced the filing of a registration statement on Form F-4 with the U.S. Securities and Exchange Commission on May 29, 2026 by WISeSat.Space Holdings Corp., a wholly-owned subsidiary of WISeSat. The filing relates to the proposed business combination with special purpose acquisition company Columbus Acquisition Corp under a definitive agreement dated November 9, 2025. Upon completion, WISeSat and Columbus Acquisition will become subsidiaries of Pubco, and the combined company is expected to trade on Nasdaq under the ticker symbol SAIQ. Pubco plans a strategic transformation under the brand SPACEAIQ, while the WISeSat brand will continue for its satellite business. The transaction remains subject to SEC effectiveness, Columbus Acquisition shareholder approval, and other closing conditions.