Blocklisting Interim Review

Rio Tinto PLC
24 October 2006

                                   SCHEDULE 5

                        BLOCKLISTING SIX MONTHLY RETURN





1. Name of company


Rio Tinto plc



2. Name of scheme


Rio Tinto Share Savings Plan



3. Period of return:


From      22 April  2006                             To     21 October 2006



4. Number and class of shares(s) (amount of stock / debt security) not issued
under scheme


254,924



5. Number of shares issued / allotted under scheme during period:


41,048



6. Balance under scheme not yet issued / allotted at end of period



213,876



7. Number and class of share(s) (amount of stock / debt securities) originally
listed and the date of admission;


6,290,308 Ordinary shares of 10p - Various dates



Please confirm total number of shares in issue at the end of the period in order
for us to update our records


1,031,042,727 (excluding treasury shares)



Contact for queries


Name             Sarah Morley


Address          Rio Tinto plc, 6 St James's Square, London, SW1Y 4LD


Telephone        [phone]



This material originates from the Financial Services Authority (FSA). All
copyrights relating to it are held by the FSA. Use of FSA material does not
indicate any endorsement by the FSA of its publication, or the material or views
contained within it.


                                   SCHEDULE 5

                        BLOCKLISTING SIX MONTHLY RETURN





1. Name of company


Rio Tinto plc



2. Name of scheme


Rio Tinto Share Option Plan 1998



3. Period of return:


From      22 April 2006                              To     21 October 2006



4. Number and class of shares(s) (amount of stock / debt security) not issued
under scheme


1,009,580



5. Number of shares issued / allotted under scheme during period:


0



6. Balance under scheme not yet issued / allotted at end of period



1,009,580



7. Number and class of share(s) (amount of stock / debt securities) originally
listed and the date of admission;


525,000 Ordinary shares of 10p - Various dates



Please confirm total number of shares in issue at the end of the period in order
for us to update our records


1,031,042,727 (excluding treasury shares)



Contact for queries


Name             Sarah Morley


Address          Rio Tinto plc, 6 St James's Square, London, SW1Y 4LD


Telephone        [phone]



This material originates from the Financial Services Authority (FSA). All
copyrights relating to it are held by the FSA. Use of FSA material does not
indicate any endorsement by the FSA of its publication, or the material or views
contained within it.


                      This information is provided by RNS
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