Geneva, Switzerland April 17, 2025 WISeKey International Holding Ltd (NASDAQ: WKEY / SIX: WIHN) has made a significant announcement regarding its financial performance and strategic direction for the coming year. This announcement, made in compliance with the Ad-Hoc announcement under Art. 53 of SIX Listing Rules, reveals WISeKeys audited financial results for the year ending December 31, 2024, along with an ambitious vision for 2025, which promises to be a pivotal year marked by the convergence of key technological advancements and the rise of Sovereign AI.

Carlos Moreira, the Founder and CEO of WISeKey, reflected on the previous years achievements, stating, 2024 has indeed been a pivotal year for WISeKey. We closed the year with a robust balance sheet, reaching strategic technological milestones, and establishing a clear roadmap to capitalize on emerging opportunities. Our efforts included collaborating with SpaceX to launch 17 secure satellites, advancing negotiations surrounding our semiconductor personalization center, scaling blockchain platforms, and developing cutting-edge post-quantum chips. This multifaceted strategy has laid a solid foundation for our digital trust infrastructure.

Moreira emphasized the onset of what he refers to as the Year of WISeKey Convergence. He explained that this concept transcends mere strategy; it represents a paradigm shift that merges four essential pillars: semiconductors, satellites, blockchain technology, and digital identity into cohesive, interoperable ecosystems. This integration enables WISeKey to deliver comprehensive solutions where each component reinforces the others, thereby fostering significant innovation and resilience.

To illustrate, the post-quantum secure chips developed by WISeKeys semiconductor subsidiary, SEALSQ Corp (Nasdaq: LAES), are now being integrated into WISeSat satellites. This innovative approach is designed to establish a secure foundation for a decentralized IoT infrastructure. Furthermore, platforms like SEALCOIN and WISeID are being utilized to facilitate autonomous, tamper-proof transactions among machines, satellites, and users. Together with their partnership with the Hedera distributed ledger, these technologies enhance transparency and immutability in transactions. Additionally, WISeKey is progressing in its collaboration with the Swiss Army, focusing on the testing of a secure smartphone and secure communications through WISeSat satellites.

This convergence strategy positions WISeKey at the forefront of critical transformations, including quantum-resilient security, space-based connectivity, and the decentralized economy, Moreira noted, expressing confidence that the company is not merely adapting to the digital future but actively constructing it. He forecasts that 2025 will be a year characterized by execution and scale, with integrated business units striving to deliver substantial results.

FY 2024 Highlights

WISeKey reported a cash balance of $90.6 million as of December 31, 2024, indicating a significantly improved financial health. However, the companys revenue for FY 2024 was $11.9 million, a decline from $30.1 million in FY 2023. This drop was anticipated, attributed to a transitional year where customers within the semiconductor sector are gradually moving towards next-generation quantum-resistant solutions, coupled with a delay in inventory accumulation due to previous excess. The company also invested $7.0 million in R&D to fuel new projects and technologies, including SEALSQs post-quantum chip and next-generation WISeSat satellites.

Encouragingly, the first engineering samples of WISeKeys new quantum-resistant secure microcontroller were delivered in Q4 2024, aligning with the R&D roadmap initiated back in 2022. The company expects to launch the QVault-TPMits next-generation secure microcontrolleronto the market by Q4 2025. Other notable accomplishments include a landmark agreement with the Swiss Army to develop advanced cybersecurity and space-based capabilities, with the first new-generation WISeSat satellite launched in January 2025. Furthermore, a robust pipeline of secured and pending business opportunities exceeding $115 million for the 2026 to 2028 period has been secured as of April 15, 2025.

Looking Ahead to 2025

WISeKeys strong financial foundation positions it well for strategic growth in 2025. With over $90 million in cash reservesprimarily secured through a capital raise exceeding $80 million during 2024and a cleaner balance sheet, the company is poised to invest in high-growth areas such as post-quantum cybersecurity, next-generation semiconductors, satellite infrastructure, and blockchain ecosystems. Despite facing sector-wide challenges, WISeKeys outlook remains optimistic, buoyed by a pipeline of more than $115 million in secured and potential business partnerships, particularly in public sector and defense markets.

In 2025, WISeKey anticipates robust growth driven by SEALSQs advancements in quantum-resistant technologies and increasing demand for IoT security. This growth trajectory will likely be supported by new revenue streams from chip personalization services, additional earnings from WISeSat, and the consolidated revenue from anticipated investments. SEALSQ has been a crucial revenue driver, and the company anticipates that new Quantum-Resistant chips will be market-ready by Q4 2025, with substantial returns expected from commercial deployment in 2026.

To diversify its revenue, WISeKey has embarked on several initiatives:

• Quantix Edges: A Semiconductor Personalization & Design Center is under development in Spain, alongside partners OdinS and TProtege, as part of the Spanish Microelectronics and Semiconductors Plan (PERTE CHIP).
• Consolidated revenue from acquisitions: The potential acquisition of ICALPS aims to enhance SEALSQs ASIC development and bolster WISeKeys product offerings.
• Next-Generation WISeSat Satellites: Six additional satellite launches are scheduled for 2025 and 2026, with the next launch planned for June 2025.
• SEALCOINs TIoT Launch: Following a successful Proof of Concept in Q1 2025, SEALCOIN is actively seeking partners to further demonstrate its TIoT solution.
• Quantum as a Service: Investment in ColibriTD aims to integrate its Quantum-as-a-Service platform into WISeKeys Quantum Roadmap.
• Global Footprint Expansion: WISeKey continues to strengthen its global presence through strategic partnerships with distributors and sales representatives in key markets.

Key Developments by Subsidiary SEALSQ

SEALSQ remains focused on advancing IoT and post-quantum cryptography. By leveraging its QUASAR platform, SEALSQ is developing technologies to protect data against future quantum threats, aligning with global standards. Its future strategy emphasizes:

1. Commercial Launch of Post-Quantum Chips: SEALSQ aims to launch new semiconductors for diverse sectors, including medical and military applications, while expanding chip fabrication partnerships.
2. Targeted Acquisitions and Investments: SEALSQ is in advanced negotiations to acquire ICALPS and establish Outsourced Semiconductor Personalization and Test Centers in Spain, India, the U.S., and MEA.
3. R&D in Post-Quantum Security: The company is working on launching its Quantum-Resistant TPM 2.0 chip by Q4 2025, with significant market interest.
4. Expanding Trust Services: Initiatives include scaling managed PKI solutions and increasing SSL/TLS offerings to strengthen global digital trust.

WISeSat: Expanding Secure Space Capabilities

WISeKey's WISeSat.Space initiative is deploying low-earth-orbit picosatellites to enhance IoT connectivity for remote applications. The program continues to seek strategic partnerships, having recently formalized agreements with the Swiss Armed Forces for a national defense project focusing on secure device-to-device communications. Following the launch of 17 mini-satellites in collaboration with SpaceX, WISeSat plans to deploy 88 next-generation satellites over the next 36 months to significantly improve global IoT connectivity.

Pioneering Blockchain Integration from Space

In a groundbreaking move, WISeKey is exploring the feasibility of conducting secure cryptocurrency transactions from space using advanced security solutions and the Hedera network. Successfully tested in Q1 2025, this initiative represents a pioneering step towards redefining blockchain integration in outer space.

Annual Report Filing

WISeKey has filed its 2024 annual report on Form 20-F with the U.S. Securities and Exchange Commission, accessible on its website. Shareholders can request a hard copy of the report free of charge by contacting the companys investor relations.

Conference Call Details

WISeKey will host a conference call on Tuesday, April 22, 2025, at 10:00 am ET (4:00 pm CET) to discuss its results. Dial-in numbers and access to the webcast will be available on its investor relations webpage.

About WISeKey

WISeKey International Holding Ltd is a global leader in cybersecurity, digital identity, and IoT solutions, operating multiple subsidiaries focused on various aspects of technology. With over 1.6 billion microchips deployed, WISeKey plays a vital role in securing the Internet of Everything. For more information, please visit