Blocklisting Interim Review

Name of applicant:

Rio Tinto plc

Name of scheme:

Rio Tinto plc Share Savings Plan

Period of return:

22 October 2008 to 21 April 2009

Balance of unallotted securities under scheme(s) from previous return:

843,720

Plus: The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):

0

Less: Number of securities issued/allotted under scheme(s) during period:

113,539

Equals: Balance under scheme(s) not yet issued/allotted at end of period:

730,181

Name of applicant:

Rio Tinto plc

Name of scheme:

Rio Tinto plc Share Option Plan

Period of return:

22 October 2008 to 21 April 2009

Balance of unallotted securities under scheme(s) from previous return:

994,895

Plus: The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):

0

Less: Number of securities issued/allotted under scheme(s) during period:

148,557

Equals: Balance under scheme(s) not yet issued/allotted at end of period:

846,338

Name of contact:

Gemma Aldridge

Telephone number of contact:

020 7781 1419