Holding(s) in Company

Rio Tinto PLC 29 October 2007 TR-1: Notification of major interests in shares 1. Identity of the issuer or the underlying issuer of existing shares to Rio Tinto Plc which voting rights are attached: 2. Reason for notification (yes/no) An acquisition or disposal of voting rights Yes An acquisition or disposal of financial instruments which may result in the acquisition of shares already issued to which voting rights are attached An event changing the breakdown of voting rights Other (please specify):______________ 3. Full name of person(s) subject to the notification obligation: Legal & General Group Plc (L&G) 4. Full name of shareholder(s) (if different from 3.): Legal & General Assurance (Pensions Management) Limited (PMC) 5. Date of the transaction (and date on which the threshold is crossed 17 October 2007 or reached if different): 6. Date on which issuer notified: 29 October 2007 7. Threshold(s) that is/are crossed or reached: From 3% - 4% (L&G) 8. Notified details: A: Voting rights attached to shares Class/type of Situation previous to the Resulting situation after the triggering transaction shares Triggering transaction if possible Number of Number of Number of Number of voting rights % of voting rights using the ISIN Shares Voting Rights shares CODE Direct Direct Indirect Direct Indirect ORD 10P 35,371,343 35,371,343 41,186,895 41,186,895 4.13 B: Financial Instruments Resulting situation after the triggering transaction Type of financial Expiration date Exercise/ Conversion Period Number of voting rights that % of voting instrument / Date may be acquired if the rights instrument is exercised/ converted. Total (A+B) Number of voting rights % of voting rights 41,186,895 4.13 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: Legal & General Group Plc (Direct and Indirect) (Group) Legal & General Investment Management (Holdings) Limited (LGIMH) (Direct and Indirect) Legal & General Investment Management Limited (Indirect) (LGIM) Legal & General Group Plc (Direct) (L&G) (41,186,895 - 4.13% = LGAS, LGPL & PMC) Legal & General Investment Management (Holdings) Limited Legal & General Insurance Holdings Limited (Direct) (Direct) (LGIMHD) (35,661,531 - 3.57 % = PMC) (LGIH) Legal & General Assurance (Pensions Management) Limited Legal & General Assurance Society Limited (LGAS & LGPL) (PMC) (35,661,531 - 3.57 %= PMC) Legal & General Pensions Limited (Direct) (LGPL) Proxy Voting: 10. Name of the proxy holder: N/A 11. Number of voting rights proxy holder will cease to hold: N/A 12. Date on which proxy holder will cease to hold voting rights: N/A 13. Additional information: Notification using the total voting rights figure of 997,078,662 Please note this notification has been delayed due to the large number of disclosures required following a substantial amount of new business which has come to us in the form of an in-specie transfer. 14. Contact name: Helen Lewis (LGIM) 15. Contact telephone number: 020 3124 3851 This information is provided by RNS The company news service from the London Stock Exchange MITBIR

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Rio Tinto (RIO)
UK 100

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