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Exhibit 8.1  SUBSIDIARIES
    AND EQUITY INVESTMENTS OF THE COMPANY
    Percentage OwnershipLegal Seat

Name

(Direct or Indirect)Australia  Sydney

STMicroelectronics PTY Ltd


100Belgium  Zaventem

STMicroelectronics Belgium N.V.


100Belgium  Zaventem

Proton World International N.V.


100Brazil  Sao Paolo

STMicroelectronics Ltda


100Brazil  Sao Paulo

Incard do Brazil Ltda


50Canada  Ottawa

STMicroelectronics (Canada), Inc.


100China  Jiangsu(1)

Hynix-ST Semiconductor Ltd


17China  Shenzhen

Shenzhen STS Microelectronics Co. Ltd


60China  Shenzhen

STMicroelectronics (Shenzhen) Co. Ltd


100China  Shenzhen

STMicroelectronics (Shenzhen) Manufacturing Co. Ltd


100China  Shenzhen

STMicroelectronics (Shenzhen) R&D Co. Ltd


100China  Shanghai

STMicroelectronics (Shanghai) Co. Ltd


100China  Shanghai

STMicroelectronics (Shanghai) R&D Co. Ltd


100China  Shanghai

Shanghai Blue Media Co. Ltd


65China  Shanghai

STMicroelectronics (China) Investment Co. Ltd


100China  Beijing

STMicroelectronics (Beijing) R&D Co. Ltd


100Czech Republic  Prague

STMicroelectronics Design and Application s.r.o.


100Finland  Lohja

STMicroelectronics OY


100Finland  Helsinki

STMicroelectronics R&D OY


100France  Crolles

STMicroelectronics (Crolles 2) SAS


100France  Montrouge

STMicroelectronics S.A.


100France  Rousset

STMicroelectronics (Rousset) SAS


100France  Tours

STMicroelectronics (Tours) SAS


100France  Grenoble

STMicroelectronics (Grenoble) SAS


100Germany  Grasbrunn

STMicroelectronics GmbH


100Germany  Grasbrunn

STMicroelectronics Design and Application GmbH


100Holland  Amsterdam

STMicroelectronics Finance B.V.


100Hong Kong  Hong Kong

STMicroelectronics LTD


100India  Noida

STMicroelectronics Pvt Ltd


100India  New Delhi

STMicroelectronics Marketing Pvt Ltd


100Israel  Netanya

STMicroelectronics Ltd


100Italy  Caivano(1)

INGAM Srl


20Italy  Catania

CO.RI.M.ME.


100Italy  Aosta

DORA S.p.a.


100Italy  Agrate Brianza

ST Incard S.r.l.


100Italy  Naples

STMicroelectronics Services S.r.l.


100Italy  Agrate Brianza

STMicroelectronics S.r.l.


100Italy  Agrate Brianza

STMicroelectronics (Memory) Srl


100Japan  Tokyo

STMicroelectronics KK


100Malaysia  Kuala Lumpur

STMicroelectronics Marketing SDN BHD


100Malaysia  Muar

STMicroelectronics SDN BHD


100Malaysia  Muar

STMicroelectronics (Memory) Sdn Bhd


100Malta  Kirkop

STMicroelectronics Ltd


100Mexico  Guadalajara

STMicroelectronics Marketing, S. de R.L. de C.V.


100Mexico  Guadalajara

STMicroelectronics Design and Applications, S. de R.L. de C.V.


100Morocco  Rabat

Electronic Holding S.A.


100Morocco  Casablanca

STMicroelectronics S.A.


100Singapore  Ang Mo Kio

STMicroelectronics ASIA PACIFIC Pte Ltd


100Singapore  Ang Mo Kio

STMicroelectronics Pte Ltd


100Singapore  Ang Mo Kio

STMicroelectronics (Memory) Pte Ltd


100Singapore  Ang Mo Kio

STMicroelectronics ASIA PACIFIC (Memory) Pte Ltd


100Spain  Madrid

STMicroelectronics S.A.


100Sweden  Kista

STMicroelectronics A.B.


100Switzerland  Geneva

STMicroelectronics S.A.


100Switzerland  Geneva

INCARD SA


100Switzerland  Geneva

INCARD Sales and Marketing SA


100Turkey  Istanbul

STMicroelectronics Elektronik Arastirma ve Gelistirme Anonim
    Sirketi


100United Kingdom  Marlow

STMicroelecrtonics Limited


100United Kingdom  Marlow

STMicroelectronics (Research & Development) Limited


100United Kingdom  Bristol

Inmos Limited


100United Kingdom  Reading

Synad Technologies Limited


100United States  Carrollton

STMicroelectronics Inc.


100United States  Wilmington

STMicroelectronics (North America) Holding, Inc.


100United States  Wilsonville

The Portland Group, Inc.


100     (1)
    Equity Investments E-1