RIO TINTO LTD

Subject to limited exceptions, each company

guarantees the other company's contractual

obligations, creditors and the obligations of

other persons guaranteed by the other

company. All creditors can make demands on

their guarantor without first having recourse to

the company or persons whose obligations are

being guaranteed.

The guarantor's obligations expire on

termination of the Sharing Agreement (but only

for obligations arising after termination) and

under other limited circumstances (after due

notice is given).

Markets

The principal market for Rio Tinto plc shares

is the London Stock Exchange, with shares

trading through the Stock Exchange

Electronic Trading Service (SETS) system.

Rio Tinto plc American Depositary Receipts

(ADRs) are listed on the New York Stock

Exchange.

Rio Tinto Limited shares are listed on the

Australian Securities Exchange (ASX).

The ASX is the principal trading market for

Rio Tinto Limited shares. The ASX is a

national stock exchange with an automated

trading system.

Share ownership