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