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WISeSat.Space Holdings Corp. announced that its management team will ring the Nasdaq Opening Bell on Friday, October 9, 2026, celebrating the listing of its ordinary shares on Nasdaq and outlining its strategy to develop trusted, quantum-resilient space communications. Following the ceremony at 151 West 43rd Street, the company will host a Quantum Space Security Roundtable from 10:00 a.m. to 4:00 p.m. ET, bringing together experts in space, quantum technology and cybersecurity to discuss protecting satellite communications against emerging quantum computing threats. The roundtable will be held in two sessions moderated by Founder and CEO Carlos Moreira: the first, "Space Security and Sovereignty," will feature Jessica Rosenworcel, Executive Director of the MIT Media Lab and former Chair of the US Federal Communications Commission; Cristina Dolan, Non-Executive Director of SEALSQ; Liz Hanson, Managing Director of Technology Investment Banking at KeyBanc Capital Markets; and Mark Minevich, Strategic Partner at Mayfield and President of Going Global Ventures. The second session, "Building the Secure Space Stack," will feature Julián Fernández, CEO and Co-founder of FOSSA Systems; Nick Farina, Co-founder and CEO of EeroQ; and, from WISeSat.Space, Philip Hamelink, Interim Head; Gwenael Rouy-Poirier, Chief Financial Officer; and Alex Moreira, Satellite Sales Engineer. The event will highlight WISeSat.Space's role in supporting the planned Quantum Spatial Orbital Cloud roadmap, a SEALSQ-owned quantum and post-quantum service roadmap expected to leverage WISeSat satellite infrastructure as part of its future orbital layer, with the company intending to expand that orbital infrastructure through planned next-generation satellite missions.

WISeQey Corp., formerly WISeKey International Holding AG, began trading on Nasdaq and SIX today under the new symbol WQEY following its redomiciliation from Switzerland to the British Virgin Islands. The company also congratulated its subsidiary WISeSat.Space Holdings Corp., now listed on Nasdaq as SAIQ, which closed a $10 million private investment in public equity on October 1, 2026, from SEALSQ Corp, a fellow WISeQey subsidiary. The purchase price was $10.79 per share, equal to the redemption price from the business combination, and the subscription agreement includes a price-protection mechanism that may trigger additional share issuance to SEALSQ if the volume-weighted average price over the 10 consecutive trading days ending on the 60th calendar day after closing falls below the purchase price, subject to a $5.00 floor. The PIPE capital is intended to fund WISeSat.Space's satellite infrastructure expansion and the integration of post-quantum cryptography into its satellites, ground and user-segment architectures, while SEALSQ plans to use WISeSat.Space satellite capacity to deliver quantum and post-quantum services. Carlos Moreira serves as CEO of WISeQey, WISeSat.Space and SEALSQ, making the PIPE investment and planned collaboration related party transactions.

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.