PRESS RELEASE — SEALSQ Corp, a company that focuses on developing and selling Semiconductors, PKI, and Post-Quantum technology hardware and software products,, a subsidiary of WISeKey International Holding AG (Nasdaq: WKEY, SIX: WIHN), a global leader in cybersecurity, digital identity, and IoT solutions platform, today announced the signing of a Term Sheet with Kaynes SemiCon to form a Joint Venture company, SEALKAYNESQ Ltd, to be established in India. The new entity aims to focus on developing a state-of-the-art semiconductor design and personalization center, strengthening India’s strategic position in the global semiconductor supply chain. This strategic collaboration moves beyond a generic design center, to create a specialized hub for high-security semiconductor solutions.

The proposed Joint Venture plans to establish an Outsourced Semiconductor Test & Personalization (OSTP) facility within Kaynes SemiCon’s manufacturing site in India. This initiative aims to enhance Kaynes SemiCon capabilities with advanced Wafer/Final Test services, compliant with Common Criteria (CC) standards, and integrate Public Key Infrastructure (PKI) and Post-Quantum Cryptography (PQC) personalization capabilities to serve the INDIA market where National Security regulations apply. A key strategic milestone will be the localized deployment of the SEALSQ Quantum Shield semiconductor in India, providing a foundation for secure post-quantum computing resilience across multiple sectors.

SEALSQ will hold 51% of the JV’s share capital, while Kaynes SemiCon will hold 49%, with governance shared equally under a five-member board. Intellectual property rights will be licensed exclusively to the JV by WISeKey and SEALSQ, with new IP developed by the JV owned by the company.