Holding(s) in Company

Rio Tinto PLC 29 April 2003 SCHEDULE 10 NOTIFICATION OF MAJOR INTERESTS IN SHARES 1. Name of company Rio Tinto plc 2. Name of shareholder having a major interest The Capital Group Companies, Inc. 3. Please state whether notification indicates that it is in respect of holding of the shareholder named in 2 above or in respect of a non-beneficial interest or in the case of an individual holder if it is a holding of that person's spouse or children under the age of 18 As in (2) above 4. Name of the registered holder(s) and, if more than one holder, the number of shares held by each of them As schedule below 5. Number of shares / amount of stock acquired - 6. Percentage of issued class - 7. Number of shares / amount of stock disposed - 8. Percentage of issued class - 9. Class of security Ordinary shares of 10p 10. Date of transaction Unknown 11. Date company informed 29 April 2003 12. Total holding following this notification 32,661,291 13. Total percentage holding of issued class following this notification 3.06% 14. Any additional information - 15. Name of contact and telephone number for queries M J Whyte 020 7753 2317 16. Name and signature of authorised company official responsible for making this notification B G Gale Date of notification 29 April 2003 As of 25 April 2003 Rio Tinto plc Number of Percent of Shares Outstanding The Capital Group Companies, Inc. ('CG') holdings 32,661,291 3.066% Holdings by CG Management Companies and Funds: • Capital Guardian Trust Company 1,033,700 0.097% • Capital International Limited 3,505,473 0.329% • Capital International S.A. 1,539,400 0.144% • Capital International, Inc. 321,500 0.030% • Capital Research and Management Company 26,261,218 2.465% Schedule A Schedule of holdings in Rio Tinto plc As of 25 April 2003 Capital Guardian Trust Company Registered Name Local Shares Bankers Trust 4,700 Bank of New York Nominees 99,500 State Street Nominees Limited 33,900 Chase Nominees Limited 458,100 BT Globenet Nominees Ltd. 56,500 Midland Bank plc 46,300 Deutsche Bank Mannheim 1,900 Nortrust Nominees 204,800 MSS Nominees Limited 19 ,200 Midland Bank plc RBSTB Nominees Ltd. 4,100 Deutsche Bank AG 3,100 HSBC Bank plc 300 Mellon Nominees (UK) Limited 36,200 ROY Nominees Limited 65,100 TOTAL 1,033,700 Schedule B Capital International Limited Registered Name Local Shares KAS UK 9,000 State Street Bank & Trust Co. 43,600 Clydesdale Bank plc 28,600 Lloyds Bank 11,900 Deutsche Bank AG 127,600 HSBC Bank plc 133,658 Northern Trust AVFC 35,400 South Africa Mellon Nominees (UK) Limited 31,900 Bank One London 143,900 Morgan Guaranty 34,100 Mellon Bank N.A. 39,800 Bank of New York Nominees 927,541 Royal Bank of Scotland 4,100 MSS Nominees Limited 25,600 Midland Bank plc State Street Nominees Limited 125,800 Northern Trust 312,171 Chase Nominees Limited 693,603 Midland Bank plc 31,000 Bankers Trust 225,200 Barclays Bank 12,100 Citibank London 44,600 Nortrust Nominees 464,300 TOTAL 3,505,473 Capital International S.A. Registered Name Local Shares MSS Nominees Limited 5,800 Midland Bank plc Deutsche Bank AG 43,500 Citibank NA 8,900 Toronto RBSTB Nominees Ltd 14,300 Lloyds Bank 10,100 National Westminster Bank 26,300 Barclays Bank 148,500 State Street Bank & Trust Co. 12,300 J.P. Morgan 196,500 HSBC Bank plc 52,500 Royal Bank of Scotland 428,000 Morgan Stanley 5,900 Nortrust Nominees 5,100 Citibank London 3,700 Midland Bank plc 87,000 Credit Suisse London Branch 16,000 Chase Nominees Limited 455,100 Bank of New York Nominees 6,500 State Street Nominees Limited 5,000 Brown Bros. 8,400 TOTAL 1,539,400 Schedule B Capital International, Inc. Registered Name Local Shares HSBC Bank plc 39,300 RBSTB Nominees Ltd. 5,500 Royal Bank of Scotland 23,500 Nortrust Nominees 28,700 Midland Bank plc 22,100 Chase Nominees Limited 8,000 State Street Nominees Limited 194,400 TOTAL 321,500 Schedule B Capital Research and Management Company Registered Name Local Shares State Street Bank & Trust Co. 109,400 State Street Nominees Limited 14,054,500 Chase Nominees Limited 12,066,400 JPM Nominees Ltd. 2,000 Chase Manhattan Bank NA 28,918 TOTAL 26,261,218 Schedule B This information is provided by RNS The company news service from the London Stock Exchange

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Rio Tinto (RIO)
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