Exhibit 8.1

Subsidiaries and Equity Investments of the Company

The following table lists our consolidated subsidiaries and our percentage ownership as of December 31, 2021:

Legal Seat	Name	Percentage Ownership (Direct or Indirect)
Australia, Sydney	STMicroelectronics PTY Ltd		100
Austria, Vienna	STMicroelectronics Austria GmbH		100
Belgium, Diegem	Proton World International N.V.		100
Brazil, Sao Paulo	South America Comércio de Cartões Inteligentes Ltda		100
Brazil, Sao Paulo	STMicroelectronics Ltda		100
Canada, Ottawa	STMicroelectronics (Canada), Inc.		100
China, Beijing	STMicroelectronics (Beijing) R&D Co. Ltd		100
China, Shanghai	STMicroelectronics (Shanghai) Co. Ltd		100
China, Shanghai	STMicroelectronics (China) Investment Co. Ltd		100
China, Shenzhen	Shenzhen STS Microelectronics Co. Ltd		60
China, Shenzhen	STMicroelectronics (Shenzhen) R&D Co. Ltd		100
Czech Republic, Prague	STMicroelectronics Design and Application s.r.o.		100
Denmark, Aarhus	STMicroelectronics A/S		100
Egypt, Cairo	STMicroelectronics Egypt SSC		100
Finland, Nummela	STMicroelectronics Finland OY		100
France, Crolles	STMicroelectronics (Crolles 2) SAS		100
France, Grenoble	STMicroelectronics (Alps) SAS		100
France, Grenoble	Exagan SAS		80
France, Grenoble	STMicroelectronics (Grenoble 2) SAS		100
France, Le Mans	STMicroelectronics (Grand Ouest) SAS		100
France, Montrouge	STMicroelectronics S.A.		100
France, Le Bourget-du-Lac	BeSpoon SAS		100
France, Rousset	STMicroelectronics (Rousset) SAS		100
France, Tours	STMicroelectronics (Tours) SAS		100
Germany, Aschheim-Dornach	STMicroelectronics GmbH		100
Germany, Aschheim-Dornach	STMicroelectronics Application GmbH		100
Hong Kong	STMicroelectronics Ltd		100
India, New Delhi	ST-Ericsson India Pvt Ltd		100
India, Noida	STMicroelectronics Pvt Ltd		100
Israel, Netanya	STMicroelectronics Limited		100
Italy, Agrate Brianza	STMicroelectronics S.r.l.		100
Italy, Naples	STMicroelectronics Services S.r.l.		100
Japan, Tokyo	STMicroelectronics KK		100
Malaysia, Kuala Lumpur	STMicroelectronics Marketing SDN BHD		100
Malaysia, Muar	STMicroelectronics SDN BHD		100
Malta, Kirkop	STMicroelectronics (Malta) Ltd		100
Mexico, Guadalajara	STMicroelectronics Marketing, S. de R.L. de C.V.		100
Morocco, Casablanca	Electronic Holding S.A.		100
Morocco, Casablanca	STMicroelectronics S.A.S. (Maroc)		100
The Netherlands, Amsterdam	STMicroelectronics Finance B.V.		100
The Netherlands, Amsterdam	STMicroelectronics Finance II N.V.		100
The Netherlands, Amsterdam	STMicroelectronics International N.V.		100
Philippines, Calamba	STMicroelectronics, Inc.		100
Philippines, Calamba	Mountain Drive Property, Inc.		40
Singapore, Ang Mo Kio	STMicroelectronics Asia Pacific Pte Ltd		100
Singapore, Ang Mo Kio	STMicroelectronics Pte Ltd		100
Slovenia, Ljubljana	STMicroelectronics d.o.o		100
Spain, Barcelona	STMicroelectronics Iberia S.A.		100
Sweden, Jönköping	STMicroelectronics Software A.B.		100
Sweden, Kista	STMicroelectronics A.B.		100

Legal Seat	Name	Percentage Ownership (Direct or Indirect)
Sweden, Norrkoping	STMicroelectronics Silicon Carbide A.B.		100
Switzerland, Geneva	STMicroelectronics S.A.		100
Switzerland, Geneva	INCARD S.A., en liquidation		100
Taiwan, Taipei City	Exagan Taiwan Ltd.		80
Thailand, Bangkok	STMicroelectronics (Thailand) Ltd		100
United Kingdom, Bristol	STMicroelectronics (Research & Development) Limited		100
United Kingdom, Marlow	STMicroelectronics Limited		100
United Kingdom, Marlow	Synad Technologies Limited		100
United States, Coppell	STMicroelectronics Software Inc.		100
United States, Coppell	STMicroelectronics Inc.		100
United States, Coppell	Faroudja Laboratories Inc.		100
United States, Coppell	STMicroelectronics (North America) Holding, Inc.		100