WISeKey International Holding AG and Columbus Acquisition Corp. Finalize Agreement for Business Combination to Publicly List WISeKey’s Subsidiary as WISeSat.Space Holdings Corp.

Business Combination Announcement: WISeKey International Holding AG has entered into a definitive Business Combination Agreement with Columbus Acquisition Corp., which will result in WISeKey receiving $250 million in equity from its subsidiary WISeSat.Space Corp. The transaction is expected to close in the first half of 2026.

WISeSat Overview: WISeSat, through its subsidiary, provides a next-generation satellite platform for secure IoT connectivity, utilizing post-quantum cryptographic technology. The company aims to expand its satellite constellation from 14 to 100 satellites by 2030, targeting industries such as logistics, agriculture, and defense.

Upcoming Satellite Launch: WISeSat plans to launch a next-generation post-quantum-secure satellite equipped with SEALSQ’s Quantum Shield technology aboard a SpaceX Falcon 9 rocket in November 2025, marking a significant step in developing quantum-resilient satellite-based IoT connectivity.

Management Commentary: Carlos Moreira, CEO of WISeKey, emphasized that this transaction accelerates the commercialization of their satellite-based cybersecurity ecosystem, while Columbus's CEO expressed excitement about the potential of WISeSat in secure satellite communications.