Holding(s) in Company

Rio Tinto PLC
25 April 2006


                          SCHEDULE 10

             NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   NAME OF LISTED COMPANY

Rio Tinto plc

2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

Capital Group Companies, Inc

3)   Please state whether notification indicates that it is 
     regarding the holding of the shareholder named in 2 above;
     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.

Capital Group Companies, Inc

5)   Number of shares/amount of stock acquired.

Unknown

6)   Percentage of issued Class (any treasury shares held by the
     listed company should not be taken into account when
     calculating percentage)

Unknown

7)   Number of shares/amount of stock disposed

-

8)   Percentage of issued Class (any treasury shares held by the
     listed company should not be taken into account when
     calculating percentage)

-

9)   Class of security

Ordinary shares of 10p


10)  Date of transaction

Unknown

11)  Date listed company informed

21 April 2006

12)  Total holding following this notification

42,344,119
               
13)  Total percentage holding of issued class following this notification
     (any treasury shares held by the listed company should not be taken
     into account when calculating percentage)

3,995%

14)  Any additional information

-

15)  Name of contact and telephone number for queries

Louise Brennan (020 7753 2116)

16)  Name and signature of duly authorised officer of the listed company
     responsible for making this notification

M J Whyte

     Date of Notification ........25 April 2006





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