WISeKey subsidiary WISeSat.Space completes merger with Columbus Acquisition, begins Nasdaq trading under SAIQ

• WISeSat.Space, a WISeKey International Holding AG subsidiary, completed its business combination with Columbus Acquisition Corp.
• WISeSat.Space ordinary shares began trading on Nasdaq under the ticker SAIQ.
• The deal closed on Oct. 1, 2026, following CAC shareholder approval at a Sept. 30, 2026 meeting.
• WISeSat.Space will operate as a separately listed company focused on post-quantum-secure satellite communications and IoT connectivity.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. WISeKey International Holding AG published the original content used to generate this news brief via GlobeNewswire (Ref. ID: 202610021605PRIMZONEFULLFEED1001276044) on October 02, 2026, and is solely responsible for the information contained therein.