Zug, Switzerland, May 29, 2026 WISeKey International Holding Ltd. ("WISeKey" or the "Company") (SIX: WIHN, NASDAQ: WKEY), a leading global cybersecurity and IoT company, announced today that the Board of Directors has submitted its proposals for shareholder approval at the 2026 Annual General Meeting of Shareholders ("AGM"). Key items that the Board of Directors recommends shareholders to approve include, among other things: - Annual Report 2025 (including audited financial statements) - Discharge of the Board and Executive Management - Re-election of all seven current members of the Board of Directors and election of one new member of the Board of Directors - Re-election of the Nomination & Compensation Committee - Re-election of the Auditor and Independent Proxy - Votes relating to the compensation of the Board of Directors and Executive Management The 2026 AGM will be held at 2:00 p.m. CEST on Monday, June 29, 2026 at the offices of Homburger AG, Prime Tower, Hardstrasse 201, 8005 Zurich, Switzerland. It will be possible for shareholders to attend the AGM in person at the venue. Shareholders may also exercise their voting rights by giving electronic or written voting instructions to the independent voting rights representative, as further described in the Company's invitation to the 2026 AGM published on the date of this press release, or by giving proxy to a representative. About WISeKey WISeKey International Holding Ltd ("WISeKey", SIX: WIHN; Nasdaq: WKEY) is a global leader in cybersecurity, digital identity, and IoT solutions platform. It operates as a Swiss-based holding company through several operational subsidiaries, each dedicated to specific aspects of its technology portfolio. The subsidiaries include (i) SEALSQ Corp (Nasdaq: LAES), which focuses on semiconductors, PKI, and post-quantum technology products, (ii) WISeKey SA, which specializes in RoT and PKI solutions for secure authentication and identification in IoT, blockchain, and AI,