Director/PDMR Shareholding

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

David Constable

2

Reason for the notification

a)

Position/status

Non-executive director

b)

Initial notification /Amendment

Initial Notification

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

Rio Tinto plc

b)

LEI

213800YOEO5OQ72G2R82

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Identification code

American Depositary Shares (ADSs)

US7672041008

b)

Nature of the transaction

Acquisition of ADSs

c)

Price(s) and volume(s)

d)

Aggregated information

- Aggregated volume

- Price

1167

$51.06544

e)

Date of the transaction

2017-12-22

f)

Place of the transaction

XNYS (New York Stock Exchange)

Steve AllenGroup Company Secretary

Rio Tinto plc

6 St James's Square

London SW1Y 4AD

United Kingdom

T +44 20 7781 2058Registered in England

No. 719885