EX-8.1 9 ex08-1subsidiaries19.htm EX-8.1 Document


Exhibit 8.1
List of subsidiary companies
At 31 December 2020

The principal operating subsidiary companies of the Rio Tinto Group are listed in Note 32 to the 2020 Financial statements. The principal intermediate holding companies and group finance companies are as follows:
Company and country of incorporationPrincipal activitiesClass of shares heldProportion of class heldGroup interest
%%
Australia
Hamersley Holdings LimitedHolding companyAUD Ordinary shares100100
North IOC Holdings Pty LtdHolding companyAUD Ordinary shares100100
North LimitedHolding companyAUD Ordinary shares100100
Pacific Aluminium Pty. LimitedHolding companyAUD Ordinary shares100100
Peko-Wallsend Pty LtdHolding companyAUD Ordinary shares100100
Rio Tinto Finance LimitedFinance companyAUD Ordinary shares100100
Rio Tinto Finance (USA) LimitedFinance companyAUD Ordinary shares100100
Rio Tinto Investments One Pty LimitedHolding companyAUD Ordinary shares100100
Rio Tinto Investments Two Pty LimitedHolding companyAUD Ordinary shares100100
Robe River LimitedHolding companyAUD Ordinary shares100100
Bermuda
North IOC (Bermuda) Holdings LimitedHolding companyUS$1.00 Ordinary shares100100
North IOC (Bermuda) LimitedHolding companyUS$1.00 Ordinary shares100100
US$100,000.00 Preferred shares100100
US$143.64 Class A Ordinary shares100100
QIT Madagascar Minerals Ltd.Holding companyUS$1.00 Ordinary shares100100
Canada
46117 Yukon Inc.Holding companyCAD Common shares100100
CAD Preferred shares100100
535630 Yukon Inc.Holding companyCAD Common shares100100
CAD Preferred shares100100
7999674 Canada Inc.Holding companyCAD Common shares100100
Rio Tinto Canada IncHolding companyCAD Class B shares100100
CAD Class C shares100100
CAD Class D shares100100
CAD Class J shares100100
CAD Class S shares100100
Rio Tinto Diamonds and Minerals Canada Holding Inc.Holding companyCAD Class A shares100100
CAD Class B shares100100
CAD Class C shares100100
CAD Class P1 Preferred shares100100
Netherlands
Rio Tinto Eastern Investments B.V.Holding company€12,510,234,217.00 Ordinary shares100100
South Africa
Richards Bay Mining Holdings (Proprietary) LimitedHolding companyZAR1.00 A Ordinary shares100100
ZAR1.00 B Ordinary shares100100
Richards Bay Titanium Holdings (Proprietary) LimitedHolding companyZAR1.00 A Ordinary shares100100
ZAR1.00 B Ordinary shares100100
United Kingdom
Rio Tinto European Holdings LimitedHolding company£1.00 Ordinary shares100100
Rio Tinto Finance plcFinance company£1.00 Ordinary shares100100
US$1.00 Ordinary shares100100
Rio Tinto Finance (USA) plcFinance company£1.00 Ordinary shares100100
Rio Tinto International Holdings LimitedHolding company£1.00 Ordinary shares100100
Rio Tinto Simfer UK LimitedHolding companyUS$1.00 Ordinary shares100100




Exhibit 8.1
United States of America
Rio Tinto America Holdings Inc.Holding companyUS$0.01 Class A Common shares100100
US$100.00 Series A Preferred Stock100100
Rio Tinto America Inc.Holding companyUS$100.00 Common shares100100
Rio Tinto Finance (USA) Inc.Holding companyUS$1.00 Common shares100100
Rio Tinto Minerals Inc.Holding companyUS$0.01 Common shares100100
Kennecott Holdings CorporationHolding companyUS$0.01 Common shares100100