List of Significant Subsidiaries of the Registrant

Group Company Name	Country of incorporation	Year of incorporation	Share Capital
WISeKey SA	Switzerland	1999	CHF        933,436
WISeKey Semiconductors SAS	France	2010	EUR     1,298,162
WiseTrust SA	Switzerland	1999	CHF        680,000
WISeKey ELA SL	Spain	2006	EUR     4,000,000
WISeKey SAARC Ltd	U.K.	2016	GBP        100,000
WISeKey USA Inc1	U.S.A	2006	USD           6,500
WISeKey India Private Ltd2	India	2016	INR      1,000,000
WISeKey IoT Japan KK	Japan	2017	JPY      1,000,000
WISeKey IoT Taiwan	Taiwan	2017	TWD      100,000
WISeCoin AG	Switzerland	2018	CHF        100,000
WISeKey Equities AG	Switzerland	2018	CHF        100,000
WISeKey Semiconductors GmbH	Germany	2019	EUR         25,000
WISeKey Arabia - Information Technology Ltd	Saudi Arabia	2019	SAR       200,000.00
TrusteCoin AG3	Switzerland	2020	CHF        100,000
arago GmbH	Germany	1995	EUR        266,808
arago Da Vinci GmbH4	Germany	2007	EUR          25,000
arago Technology Solutions Private Ltd4	India	2017	INR         100,000
arago US Inc.4	U.S.A	2015	USD                25
WISeKey Vietnam Ltd	Vietnam	2021	VND  689,400,000
1 50% owned by WISeKey SA and 50% owned by WiseTrust SA
2 88% owned by WISeKey SAARC which is controlled by WISeKey International Holding AG
3 Formerly WiseAI AG, 100% owned by WISeKey International Holding AG from August 27, 2021
4 100% owned by arago GmbH