LAES SEALSQ Corporation

Technology Powered by WISeKey Root of Trust Installed in Over 6 Billion Devices

SEALSQ NASDAQ QUANTUM DAYhttps://youtu.be/V1mikulV3LA?si=gOMpL4TKr4VTS3TR

SEALSQ Corp (NASDAQ: LAES) ("SEALSQ" or "Company"), a company that focuses on developing and selling Semiconductors, PKI, and Post-Quantum technology hardware and software products, today announced that 1.75 billion devices worldwide have been secured by its microprocessors since the Company’s inception. This historic milestone underscores SEALSQ’s pioneering role in digital security and its long-standing commitment to protecting critical systems, particularly as quantum computing nears commercial viability and the demand for post-quantum cryptographic (PQC) solutions intensifies.

Quantum and post-quantum security take center stage as NVIDIA hosts its first-ever “Quantum Day” at GTC 2025 scheduled to take place on March 20, 2025. The event brings together leading experts, industry pioneers, and researchers to discuss the rapid evolution of quantum computing, hybrid quantum-classical models, and the growing urgency for post-quantum cryptography. As industries prepare for the disruptive impact of quantum technology, SEALSQ remains at the forefront, offering cutting-edge PQC solutions embedded directly into secure hardware.

Anticipating the quantum era well ahead of its competitors, SEALSQ has strategically restructured its semiconductor business around post-quantum security solutions.

Traditional cryptographic methods like RSA and ECC will become obsolete when large-scale quantum computers gain the capability to break them. In response, SEALSQ has implemented NIST-approved post-quantum cryptographic standards, including CRYSTALS-Kyber and CRYSTALS-Dilithium, into its semiconductor designs, ensuring robust security against quantum-enabled cyber threats. Unlike software-based security, which remains vulnerable to side-channel and brute-force attacks, SEALSQ embeds PQC directly into its secure microcontrollers, Trusted Platform Module (TPM) chips, and Hardware Security Modules (HSMs), providing unparalleled resilience against emerging threats.

The 1.75 billion devices worldwide integrating SEALSQ technology since the Company’s inception, is a remarkable achievement which solidifies SEALSQ’s position as a key player in securing industries such as IoT, industrial automation, smart cities, telecommunications, banking, government, healthcare, and automotive systems. SEALSQ’s secure chips are widely used in IoT sensors, connected vehicles, smart grid infrastructure, medical devices, payment systems, and secure authentication solutions. These microprocessors play a crucial role in preventing cyberattacks, ensuring data confidentiality, protecting identity credentials, and enabling secure communication between devices and networks.

A key component of SEALSQ’s security architecture is the WISeKey Root of Trust, which has been installed in over 6 billion devices globally. This trusted foundation ensures that SEALSQ’s chips operate in a zero-trust security environment, enabling strong authentication, digital signatures, and encrypted communications across various ecosystems. By embedding the WISeKey Root of Trust, SEALSQ guarantees secure device identity, end-to-end encryption, and resilience against cyber threats, making it a critical solution for industries handling sensitive data and mission-critical operations.

SEALSQ’s hybrid cryptographic model ensures a seamless transition from classical encryption to post-quantum security, maintaining backward compatibility while future-proofing digital ecosystems. By integrating both classical and quantum-resistant cryptographic techniques, this approach provides enhanced security against both current and future threats, allowing organizations to adopt post-quantum security at scale while ensuring interoperability with existing infrastructure. Additionally, SEALSQ is advancing quantum key distribution (QKD) technologies, leveraging quantum entanglement to create tamper-proof encryption keys.

As quantum computing moves from research to real-world applications, organizations must act now to ensure their systems are quantum resilient. SEALSQ’s forward-thinking strategy positions it as a trusted provider of next-generation cybersecurity solutions, ensuring that businesses, governments, and consumers remain protected in the post-quantum era.

About SEALSQ:SEALSQ is a leading innovator in Post-Quantum Technology hardware and software solutions. Our technology seamlessly integrates Semiconductors, PKI (Public Key Infrastructure), and Provisioning Services, with a strategic emphasis on developing state-of-the-art Quantum Resistant Cryptography and Semiconductors designed to address the urgent security challenges posed by quantum computing. As quantum computers advance, traditional cryptographic methods like RSA and Elliptic Curve Cryptography (ECC) are increasingly vulnerable.

SEALSQ is pioneering the development of Post-Quantum Semiconductors that provide robust, future-proof protection for sensitive data across a wide range of applications, including Multi-Factor Authentication tokens, Smart Energy, Medical and Healthcare Systems, Defense, IT Network Infrastructure, Automotive, and Industrial Automation and Control Systems. By embedding Post-Quantum Cryptography into our semiconductor solutions, SEALSQ ensures that organizations stay protected against quantum threats. Our products are engineered to safeguard critical systems, enhancing resilience and security across diverse industries.

For more information on our Post-Quantum Semiconductors and security solutions, please visit www.sealsq.com.

Forward-Looking StatementsThis communication expressly or implicitly contains certain forward-looking statements concerning SEALSQ Corp and its businesses. Forward-looking statements include statements regarding our business strategy, financial performance, results of operations, market data, events or developments that we expect or anticipate will occur in the future, as well as any other statements which are not historical facts. Although we believe that the expectations reflected in such forward-looking statements are reasonable, no assurance can be given that such expectations will prove to have been correct. These statements involve known and unknown risks and are based upon a number of assumptions and estimates which are inherently subject to significant uncertainties and contingencies, many of which are beyond our control. Actual results may differ materially from those expressed or implied by such forward-looking statements. Important factors that, in our view, could cause actual results to differ materially from those discussed in the forward-looking statements include SEALSQ's ability to continue beneficial transactions with material parties, including a limited number of significant customers; market demand and semiconductor industry conditions; and the risks discussed in SEALSQ's filings with the SEC. Risks and uncertainties are further described in reports filed by SEALSQ with the SEC.

SEALSQ Corp is providing this communication as of this date and does not undertake to update any forward-looking statements contained herein as a result of new information, future events or otherwise.

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