WISeSat Signs a Service Agreement with Astrocast to Allow Access to Astrocast's Operational Satellite Constellation

  • FOR IMMEDIATE RELEASE WISeSat Signs a Service Agreement with Astrocast to Allow Access to Astrocast's Operational Satellite Constellation Geneva, Switzerland – June 25, 2025 – WISeKey International Holding Ltd (“WISeKey”) (SIX: WIHN, NASDAQ: WKEY), a leading global cybersecurity, blockchain, and IoT company, today announces that its subsidiary, WISeSat.Space, a provider of secure satellite communications and space infrastructure, signed a strategic collaboration agreement with Astrocast, a Swiss-based nanosatellite IoT network operator, under which WISeSat will be gaining access to the operational satellite constellation of Astrocast. This collaboration significantly expands WISeSat's existing operational satellite connectivity as Astrocast operates one of the largest LEO satellite networks in Europe.