Columbus Acquisition Corp Ordinary Shares

WISeSat.Space Holdings Corp. has completed its previously announced business combination with Columbus Acquisition Corp. and begun trading on the Nasdaq Capital Market under the ticker symbol "SAIQ" as of October 2, 2026. CAC shareholders approved the business combination at an extraordinary general meeting on September 30, 2026, and the transaction closed on October 1, 2026. The deal establishes WISeSat.Space, a space technology company and subsidiary of WISeQey Corp., as a separately listed public company focused on post-quantum-secure satellite communications and Internet of Things connectivity. WISeSat.Space has deployed satellites into orbit since 2024 and aims to integrate hardware-based security, device authentication and post-quantum protection into its satellite communications architecture. Carlos Moreira, Chief Executive Officer of SEALSQ, WISeQey and WISeSat.Space, called the Nasdaq listing an extraordinary milestone and said trust and post-quantum security must be built into satellite infrastructure from the outset. Maxim Group LLC served as WISeSat.Space's financial advisor, with Ellenoff Grossman & Schole LLP and Harney Westwood & Riegels (BVI) LP as legal counsel, while Loeb & Loeb LLP and Ogier represented CAC.