WISeSat.Space Holdings Corp. · NASDAQ:SAIQ
WISeSat.Space — SPAC Merger (November 2025)
25 slides from WISeSat.Space's SPAC merger presentation, Nov 13, 2025
Slide 1: Execute Definitive Business Combination Agreement to Publicly List WISeSat.Space Corp.
PRESENTATION TITLE A wholly - owned subsidiary of (SIX: WIHN, NASDAQ: WKEY) WISeKey International Holding AG (Nasdaq: WKEY) and Columbus Acquisition Corp. (Nasdaq: COLA) Execute Definitive Business Combination Agreement to Publicly List WISeSat.Space Corp. November 9, 2025
Slide 2: Additional Information and Forward-Looking Statements
In connection with the proposed business combination, WISeSat . Space Holdings Corp . (“ Pubco ”) will file a registration statement on Form F - 4 (the “Registration Statement”) that will include a proxy statement of Columbus Acquisition Corp . (“Columbus”) and a prospectus of Pubco . The Registrati
Slide 3: Securing the Internet of Things from Space
3 WISeSat.Space – the space arm of WISeKey delivering ultra - secure nanosatellite IoT connectivity. 100 - satellite constellation planned by 2030. Quantum - ready, end - to - end secure communications from orbit. Strong ecosystem of European and global partners. Securing the Internet of Things from
Slide 4: Company Overview
Company Overview • Enables secure IoT data transmission anywhere on Earth. • Combines space, IoT, and cybersecurity expertise. • Operates under European digital sovereignty principles. 4 Subsidiary of WISeKey, Swiss - based cybersecurity leader.
Slide 5: Transaction Overview, Platform Segments and Growth Strategy
Transaction Overview Growth Strategy & Market Expansion Core Platform Segments & Capabilities Proposed Transaction Overview Service Models & Products • Actively working with Swiss governmental organizations with plans to expand significantly. • Contracting with logistics companies for services. • Cr
Slide 6: Transaction Details
Transaction Details 6 1. Assumes no redemptions, SPAC cash as of 9/30/2025, excludes any awards under the new equity incentive plan to be adopted at t he closing. 2. Excludes stock fees payable to advisors. 3. A n affiliate of WISeSAT currently intends to fund a $10 million PIPE financing into WISeS
Slide 7: Investment Highlights
7 Contracting with Swiss Governmental Organizations and International Logistics Companies Financial Support from Parent Group Significant Market Opportunity Perpetual Licenses for Space - Based Quantum Technology from WISeKey and SEALSQ IP Seasoned Management Attractive Entry Point With Growth Poten
Slide 8: Vision, Mission & Goal
Vision , Mission & Goal Vision: Build a secure, quantum - resilient space infrastructure for IoT. 8 Mission: Deliver trust, security, and connectivity across the planet — even in remote regions. Goal: Democratize space - enabled IoT for global industries.
Slide 9: Market Opportunity
Market Opportunity 25 Billion Global IoT devices expected to exceed by 2030. 60% + O f the world lacks reliable terrestrial connectivity. 9 WISeSat is positioned to provide affordable and secure satellite IoT access Rising demand for secure, sovereign communications.
Slide 10: Technology Stack
Technology Stack WISeSat Nanosatellites : Low Earth Orbit (LEO) platforms. LPWAN Protocols : LoRa & NB - IoT for scalable IoT networks. INeS Platform : Secure cloud for identity and data management. SEALSQ Quantum - Ready Semiconductors for post - quantum encryption. 10
Slide 11: Security & Cryptography
Security & Cryptography • End - to - end encryption and device authentication. • Post - quantum cryptography integrated at hardware level. 11 • Root of Trust via WISeKey infrastructure. • Designed to ensure authenticity, confidentiality, and data integrity.
Slide 12: Satellite Constellation Plan
Satellite Constellation Plan Progressive deployment toward 100 satellites by 20 30 . Generational growth with enhanced coverage and bandwidth. Supports real - time IoT operations across all geographies. 12
Slide 13: Direct-to-Device (D2D) Services
Direct - to - Device (D2D) Services Secure communications directly to IoT sensors — no ground gateway. Ideal for defense, energy, logistics, and critical infrastructure. Enables independent, resilient data transmission. 13
Slide 14: Strategic Technology Partners
Strategic Technology Partners Additional partners… • An Indian based launch collaboration signed in 2025. • A European - based launch partner signed in 2025. • A European LEO satellite service provider to expand the European LEO coverage. • An East European nanosatellite deployment partner. • A laun
Slide 15: Use Case: Utilities
Use Case: Utilities 15 Objective: Optimize resource distribution and reduce losses. Challenges: 25 – 50% of distributed water lost due to leaks or poor pressure control WISeSat Solution: IoT nodes monitor pressure, flow, and leaks in real time. Benefits: Reduced losses, predictive maintenance, and O
Slide 16: Use Case: Oil & Gas
Use Case: Oil & Gas 16 Objective: Ensure safety, reduce leakage, and maintenance costs. Challenges: Pipelines in remote regions with high inspection costs. WISeSat Solution: IoT sensors measure voltage, temperature, pressure. Benefits: Prevent corrosion, reduce downtime, enhance ESG compliance.
Slide 17: Use Case: Smart Farming
Use Case: Smart Farming 17 Objective: Increase efficiency and sustainability in agriculture. Challenges: Limited connectivity in rural areas for precision farming. WISeSat Solution: IoT sensors track soil humidity, weather, crop conditions. Benefits: 30% resource savings, higher yields, climate - sm
Slide 18: Use Case: Defense & Security
Use Case: Defense & Security 18 Objective: Enable independent, sovereign defense communications. Challenges: High SATCOM costs, vulnerability to jamming/spoofing. WISeSat Solution: IoBT sensors, SIGINT detection, 5G tactical networks. Benefits : Strategic autonomy, secure real - time intelligence.
Slide 19: Blockchain & SEALCOIN from Space
Blockchain & SEALCOIN from Space First blockchain transaction from orbit achieved in 2024. Integration of WISeKey, SEALCOIN, SEALSQ, and Hedera technologies. Foundation for decentralized, space - based digital economy. 19
Slide 20: Key Differentiators
Key Differentiators 20 Security Utilizes advanced encryption, including SEALSQ's post - quantum cryptography, to safeguard critical IoT data against current and future threats. Cost - Effective Offers low - cost satellite IoT connectivity, reducing deployment and operational expenses compared to tra
Slide 21: Recent Milestones (2024 – 2025)
Recent Milestones (2024 – 2025) • Launch of next - gen satellites via SpaceX (Jan uary and June 2025). • Creation of WISeSat España SA (Andalusia HQ). • MoU with a military provider for secure communications. • Multiple p artnerships to expand the network of providers, launches and our LEO constella
Slide 22: Recent Milestones (2024 – 2025)
Recent Milestones (2024 – 2025) 22
Slide 23: Roadmap to 2030 and Beyond
Roadmap to 20 30 23 2025 • 2nd - gen satellite launch (Nov.). 2027 - 2028 • Expansion to 50 satellites, D2D rollout. 2029 - 2030 • Full 100 - satellite constellation operational. Beyond • Quantum - resistant IoT economy.
Slide 24: Closing / Call to Action
Closing / Call to Action • Re defining secure IoT from orbit. • Proven technology, strategic partnerships, and strong market demand. • Seeking investment to accelerate constellation growth and adoption. 24
Slide 25: Thank you
Thank you WISeKey SA +21502 - 555 - 0152 [email protected] www.wisesat.space The Equity Group Inc. Lena Cati Tel: +1 212 836 - 9611 [email protected]