Registered offices

Rio Tinto plc

2 Eastbourne Terrace
London
W2 6LG
Registered in England No. 719885

Telephone: +44 (0) 20 7781 2000
Facsimile: +44 (0) 20 7781 1800
Website: www.riotinto.com

Rio Tinto Limited

Level 33
120 Collins Street
Melbourne
Victoria 3000
ABN 96 004 458 404

Telephone: +61 (0) 3 9283 3333
Facsimile: +61 (0) 3 9283 3707
Website: www.riotinto.com

Shareholders

Please contact the respective registrar if you have any queries about your shareholding.

Rio Tinto plc

Computershare Investor Services PLC
The Pavilions
Bridgwater Road
Bristol BS99 6ZY

Telephone: +44 (0) 870 703 6364
Facsimile: +44 (0) 870 703 6119
UK residents only, Freephone: 0800 435021
Website: www.computershare.com

Investor Centre

To find out more about Investor Centre, go to www.investorcentre.co.uk/riotinto

Holders of Rio Tinto American Depositary Receipts (ADRs)

Please contact the ADR administrator if you have any queries about your ADRs.

ADR administrator
JPMorgan Chase & Co
P O Box 64504
St. Paul, MN 55164-0504

Telephone: +1 (651) 453 2128
US residents only toll free general: (800) 990 1135
US residents only toll free Global invest direct: (800) 428 4237
Website: www.adr.com/shareholder
e-mail: jpmorgan.adr@wellsfargo.com

US investor relations consultant

Makinson Cowell (US) Limited
One Penn Plaza
250 West 34th Street
Suite 1935
New York, NY 10119

Telephone: +1 212 994 9044
Website: www.makinson-cowell.com

Rio Tinto Limited

Computershare Investor Services Pty Limited
GPO Box 2975
Melbourne
Victoria 3001

Telephone: +61 (0) 3 9415 4030
Facsimile: +61 (0) 3 9473 2500
Australian residents only, toll free: 1800 813 292
New Zealand residents only, toll free: 0800 450 740
Website: www.computershare.com

Investor Centre

To find out more about Investor Centre go to www.computershare.com.au

Former Alcan Inc. Shareholders

Computershare Investor Services Inc.
9th Floor
100 University Avenue
Toronto
Ontario
M5J 2Y1
Canada

Telephone: +1 514 982 7555
North American residents only, toll free (866) 624 1341