WISeSat.Space Closes Merger with Columbus Acquisition Corporation

Geneva, Switzerland, October 2, 2026 -- WISeSat.Space Holdings Corp. (Nasdaq: SAIQ) , a space technology company focused on PQC secure satellite communications and Internet of Things connectivity, announced that it completed on that date its previously announced business combination with Columbus Acquisition Corp (CAC), a publicly traded special purpose acquisition company. The Business Combination was approved by CAC’s shareholders at an extraordinary general meeting held on September 30, 2026. Effective today, October 2, 2026, WISeSat.Space’s ordinary shares will begin trading on Nasdaq under the ticker symbol “SAIQ”.

Carlos Moreira, Founder, Chairman and CEO of WISeSat.Space and its parent company, WISeQey Corp (“WISeQey”), is scheduled to ring the Nasdaq Opening Bell ceremony on Friday, October 9, 2026, at Nasdaq MarketSite in New York City’s Times Square.

“Nasdaq listing represents an extraordinary milestone for WISeSat.Space and for everyone who has contributed to this journey,” said Moreira. “I want to thank our employees, management team, technology partners, advisors, investors and all those whose dedication has made this achievement possible. Their commitment has helped turn our vision of bringing cybersecurity to space into a growing business.”

Moreira continued: “As more devices and essential services rely on satellite connectivity, trust and PQC security must be built into the infrastructure from the outset. Our ambition is to combine satellite communications with digital identity, secure chips and post-quantum technologies to help protect data from the connected device to the space network. This listing opens a new chapter in advancing that mission.”