WISeKey Reports First Half 2026 Financial Results, Accelerates Quantum and Post-Quantum Strategy and Provides Outlook

WISeKey Reports First Half 2026 Financial Results, Accelerates Quantum and Post-Quantum Strategy and Provides Outlook

Schedules Conference Call for Thursday, October 1 at 9:00am ET

• H1 2026 Unaudited Revenue Up Approximately 116% to $11.4 Million
• Approximately $495 Million in Cash and Restricted Cash at June 30, 2026
• SEALSQ Commercial Pipeline Exceeds $225 Million Through 2029
• FY 2026 Revenue Growth Guidance of 50% to 100% Reaffirmed
• Shareholders Approved Redomiciliation; Direct Nasdaq and SIX Listing as WISeQey (WQEY) Expected in October
• Strategic Progress Includes WISeSat and Quantisimo Transactions, Commercial QSOC Deployment, SEALQuantum Expansion and New Swiss Post-Quantum Semiconductor Center

GENEVA, Switzerland September 30, 2026 Ad hoc announcement pursuant to Art. 53 LR - WISeKey International Holding Ltd ("WISeKey" or the "Company") (SIX: WIHN; Nasdaq: WKEY), a global leader in cybersecurity, digital identity, post-quantum semiconductors, quantum technologies and secure satellite infrastructure, today announced its financial results for the six months ended June 30, 2026 (H1 2026) and provided an update on significant strategic developments achieved since the beginning of the year.