EX-8 2 rio-ex81_445.htm EX-8.1

Exhibit 8.1

List of subsidiary companies

At 31 December 2017

The principal operating subsidiary companies of the Rio Tinto Group are listed in Note 33 to the 2017 Financial statements. The principal intermediate holding companies and group finance companies are as follows:

Company and country |  | Principal |  | Class of |  | Proportion |  | Group
of incorporation |  | activities |  | shares held |  | of class |  | interest
|  |  |  |  |  | held |  |
|  |  |  |  |  | % |  | %
Australia |  |  |  |  |  |  |  |
Australian Coal Holdings Pty. Limited |  | Holding company |  | AUD A shares |  | 100 |  | 100
Hamersley Holdings Limited |  | Holding company |  | AUD A Class Ordinary shares |  | 100 |  | 100
North IOC Holdings Pty Ltd |  | Holding company |  | AUD Ordinary shares |  | 100 |  | 100
North Limited |  | Holding company |  | AUD Ordinary shares |  | 100 |  | 100
Pacific Aluminium Pty. Limited |  | Holding company |  | AUD Ordinary shares |  | 100 |  | 100
Peko-Wallsend Pty Ltd |  | Holding company |  | AUD Ordinary shares |  | 100 |  | 100
Rio Tinto Finance Limited |  | Finance company |  | AUD Ordinary shares |  | 100 |  | 100
Rio Tinto Finance (USA) Limited |  | Finance company |  | AUD Ordinary shares |  | 100 |  | 100
Rio Tinto Investments One Pty Limited |  | Holding company |  | AUD Ordinary shares |  | 100 |  | 100
Rio Tinto Investments Two Pty Limited |  | Holding company |  | AUD Ordinary shares |  | 100 |  | 100
Robe River Limited |  | Holding company |  | AUD Ordinary shares |  | 100 |  | 100
Bermuda |  |  |  |  |  |  |  |
North IOC (Bermuda) Holdings Limited |  | Holding company |  | US$1.00 Ordinary shares |  | 100 |  | 100
North IOC (Bermuda) Limited |  | Holding company |  | US$1.00 Ordinary shares |  |  |  |
|  |  |  | US$100,000.00 Preferred shares |  | 100 |  | 100
US$143.64 Class A Ordinary shares (US$143.64126903) |  | 100 |  | 100
|  |  |  |  |  | 100 |  | 100
QIT Madagascar Minerals Ltd. |  | Holding company |  | US$1.00 Ordinary shares |  | 100 |  | 100
Canada |  |  |  |  |  |  |  |
46117 Yukon Inc. |  | Holding company |  | CAD Common shares |  | 100 |  | 100
|  |  |  | CAD Preferred shares |  | 100 |  | 100
535630 Yukon Inc |  | Holding company |  | CAD Common shares |  | 100 |  | 100
|  |  |  | CAD Preferred shares |  | 100 |  | 100
7999674 Canada Inc. |  | Holding company |  | CAD Common shares |  | 100 |  | 100
Rio Tinto Canada Inc |  | Holding company |  | CAD Class B shares |  | 100 |  | 100
|  |  |  | CAD Class C shares |  | 100 |  | 100
|  |  |  | CAD Class D shares |  | 100 |  | 100
|  |  |  | CAD Class J shares |  | 100 |  | 100
|  |  |  | US$ Class K shares |  | 100 |  | 100
Rio Tinto Diamonds and Minerals Canada Holdings Inc. |  | Holding Company |  | CAD Class A shares |  | 100 |  | 100
|  |  |  | CAD Class B shares |  | 100 |  | 100
|  |  |  | CAD Class C shares |  | 100 |  | 100
|  |  |  | CAD Class P1 Preferred shares |  | 100 |  | 100
Namibia |  |  |  |  |  |  |  |
Skeleton Coast Diamonds Limited |  | Holding company |  | NAD 2.00 Ordinary shares |  | 100 |  | 100
Netherlands |  |  |  |  |  |  |  |
Rio Tinto Eastern Investments B.V. |  | Holding company |  | €453.78 Ordinary shares |  | 100 |  | 100
South Africa |  |  |  |  |  |  |  |
Richards Bay Titanium Holdings (Proprietary) Limited |  | Holding company |  | ZAR1.00 A Ordinary shares |  | 100 |  | 100
|  |  |  | ZAR1.00 B Ordinary shares |  | 100 |  | 100
Richards Bay Mining Holdings (Proprietary) Limited |  | Holding company |  | ZAR1.00 A Ordinary shares |  | 100 |  | 100
|  |  |  | ZAR1.00 B Ordinary shares |  | 100 |  | 100
United Kingdom |  |  |  |  |  |  |  |
Rio Tinto European Holdings Limited |  | Holding company |  | £1.00 Ordinary shares |  | 100 |  | 100
Rio Tinto Finance plc |  | Finance company |  | £1.00 Ordinary shares |  | 100 |  | 100
|  |  |  | US$1.00 Ordinary shares |  | 100 |  | 100
Rio Tinto Finance (USA) plc |  | Holding company |  | £1.00 Ordinary shares |  | 100 |  | 100
Rio Tinto International Holdings Limited |  | Holding company |  | £1.00 Ordinary shares |  | 100 |  | 100
Rio Tinto Namibian Holdings Limited |  | Holding company |  | £1.00 Ordinary shares |  | 100 |  | 100
Rio Tinto Overseas Holdings Limited |  | Holding company |  | £1.00 Ordinary shares |  | 100 |  | 100
|  |  |  | US$1.00 Ordinary shares |  | 100 |  | 100
Rio Tinto Simfer UK Limited |  | Holding company |  | Ordinary shares |  | 100 |  | 100
Rio Tinto Western Holdings Limited |  | Holding company |  | £1.00 Ordinary shares |  | 100 |  | 100
|  |  |  | US$1.00 Ordinary shares |  | 100 |  | 100
United States of America |  |  |  |  |  |  |  |
Rio Tinto America Holdings Inc. |  | Holding company |  | US$0.01 Class A Common shares |  | 100 |  | 100
|  |  |  | US$100.00 Series A Preferred Stock |  | 100 |  | 100
Rio Tinto America Inc. |  | Holding company |  | US$100.00 Common shares |  | 100 |  | 100
Rio Tinto Minerals Inc. |  | Holding company |  | US$0.01 Common shares |  | 100 |  | 100