Wisekey International Holding Ltd.: WISeKey Reports First Half 2026 Financial Results, Accelerates Quantum and Post-Quantum Strategy and Provides Outlook

H1 2026 Unaudited Revenue Up Approximately 116% to $11.4 Million 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. Revenue more than doubled: Revenue rose approximately 116% to approximately $11.4 million, from $5.3 million in H1 2025. Gross profit increased 192% to $5.5 million, compared to gross profit of $1.9 million in H1 2025; gross margin expanded to approximately 48% from 35% in H1 2025. Operating loss was $40.9 million, compared to operating loss of $27.3 million in H1 2025. Net loss was $36.4 million, compared to net loss of $22.3 million in H1 2025. Post-quantum pipeline above $100 million: The commercial pipeline as of September 22, 2026, at subsidiary SEALSQ Corp (Nasdaq: LAES) ("SEALSQ") exceeds $225 million through 2029 and contains more than $100 million associated with the Company's Post-Quantum projects, including the QS7001 and…