WISeKey fully deployed its CertifyID integrating Digital Identity with Blockchain technology

·          CertifyID acts as a Digital Identity dual factor authentication based technology that sits on top of a BlockChain

·          WISeKey Digital Identity BlockChain platform is assisting United Nations' Sustainable Development Goals aiming to provide every person on the planet with a legal digital identity by 2030

·          Having a legal digital identity is a basic human right

GENEVA & ZUG, Switzerland - WISeKey International Holding Ltd ("WISeKey", SIX: WIHN; OTCQX: WIKYY), a leading cybersecurity and IoT company has fully deployed its CertifyID ( https://account.wisekey.com ) integrating Digital Identity with Blockchain technology. CertifyID acts as a Digital Identity dual factor authentication based technology that sits on top of a BlockChain. The CertifyID BlockChain is constantly growing as new blocks are added to it with a new set of recordings. Each CertifyID node gets a copy of the CertifyID BlockChain and gets downloaded automatically upon joining the CertifyID network. The system is totally decentralized and can be operated at national or local level using a distributed identity ledger run by trusted parties spread across the blockchain.

WISeKey, a pioneer of Digital Identification and BlockChain, is already implementing this project in several countries. This includes the previously announced partnership with the Government of Andhra Pradesh, the seventh largest state in India, aiming to explore implementation of Digital Identity BlockChain used to enhance the provision and security of Citizens' Identity, position citizens at the center of gravity of Government services using the WISeKey PKI based BlockChain technology as the solution to secure government-recorded data.

"To have a pristine vision like putting the Citizen at the center of gravity, owning its Legal Digital Identity, and building all the infrastructure around this vision, is the key to successfully empower citizens to unleash their full potential," said Carlos Moreira, Founder CEO, WISeKey.

At the heart of this platform is the OISTE-WISeKey Cryptographic Root of Trust (RoT) which has been actively used since 1999 by over 2.6 billion desktops, browsers, mobile devices, SSL certificates and IoT devices. The OISTE WISeKey Cryptographic RoT is ubiquitous and universal, and a pioneer in the creation of Digital Identities and distributed Digital Ledgers.

Currently over 1.3 billion people are undocumented and without an identity are off the radar for vital economic services, such as food, education and healthcare. This new CertifyID BlockChain platform integrates state-of-the-art technologies related to Digital Identity and BlockChain which are in line with the United Nations' Sustainable Development Goals aiming on providing every person on the planet with a solid and tamper-proof digital identity based on common, interoperable standards by 2030. As a first step, the United Nations is seeking to develop scalable identity systems by 2020. This initiative was launched at the inaugural ID2020 Summit Harnessing Digital Identity for the Global Community' held at the United Nations headquarters in New York in May 2016.

CertifyID BlockChain works also with mobiles via the WISeID app ( https://www.wiseid.com ) allowing users with the app to keep their Digital Identity and passwords on an encrypted vault that generates hard-to-crack passwords, and safely synchronizes data between computers and devices on multiple platforms, using secure cloud storage. The vault can be unlocked only with the user's Master Password and/or defined pattern, with additional protection provided through facial recognition authentication and connecting via the BlockChain with existing record-keeping systems of commercial and public entities through blockchain, allowing users to access to their personal information wherever they are. The combination of the decentralized BlockChain principle with CertifyID identity verification, allows CertifyID to act as a digital watermark which can be assigned to every online transaction of any asset.

About WISeKey: WISeKey (SIX: WIHN; OTCQX: WIKYY) is a leading global cybersecurity company currently deploying large scale digital identity ecosystems with a patented process. WISeKey's Swiss based cryptographic Root of Trust ("RoT") provides secure authentication and identification, in both physical and virtual environments, for the Internet of Things, Blockchain and Artificial Intelligence. The WISeKey RoT serves as a common trust anchor to ensure the integrity of online transactions among objects and between objects and people. For more information, visit www.wisekey.com .

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Press and investor contacts:

WISeKey International Holding Ltd Company Contact:  Carlos Moreira Chairman & CEO Tel: +41 22 594 3000 info@wisekey.com WISeKey Investor Relations (US) Contact:  Lena Cati The Equity Group Inc. Tel: +1 212 836-9611 lcati@equityny.com

Disclaimer: This communication expressly or implicitly contains certain forward-looking statements concerning WISeKey International Holding Ltd and its business. Such statements involve certain known and unknown risks, uncertainties and other factors, which could cause the actual results, financial condition, performance or achievements of WISeKey International Holding Ltd to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements. WISeKey International Holding Ltd 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.

This press release does not constitute an offer to sell, or a solicitation of an offer to buy, any securities, and it does not constitute an offering prospectus within the meaning of article 652a or article 1156 of the Swiss Code of Obligations or a listing prospectus within the meaning of the listing rules of the SIX Swiss Exchange. Investors must rely on their own evaluation of WISeKey and its securities, including the merits and risks involved. Nothing contained herein is, or shall be relied on as, a promise or representation as to the future performance of WISeKey.