Rule 8.3 - RIO TINTO Limited

FORM 8.3

    DEALINGS BY PERSONS WITH INTERESTS IN SECURITIES REPRESENTING 1% OR MORE
              (Rule 8.3 of the City Code on Takeovers and Mergers)


1.   KEY INFORMATION

Name of person dealing        BARCLAYS PLC
(Note 1)
Company dealt in              RIO TINTO LIMITED
Class of relevant security    NPV
to which the dealings being
disclosed relate (Note 2)
Date of dealing               16 June 2008

2.   INTERESTS, SHORT POSITIONS AND RIGHTS TO SUBSCRIBE

(a)  Interests and short positions (following dealing) in the class of relevant
security dealt in (Note 3)

                            Long                     Short

                      Number       (%)         Number       (%)

(1) Relevant      14,663,386      3.21%       201,028      0.04%
securities
(2) Derivatives        9,497      0.00%
(other than
options)
(3) Options and            0      0.00%             0      0.00%
agreements to
purchase/sell
Total             14,672,883      3.21%       201,028      0.04%


(b)  Interests and short positions in relevant securities of the company, other
     than the class dealt in (Note 3)

Class of                    Long                     Short
relevant
security:

                  Number              (%)   Number              (%)

(1) Relevant
securities

(2) Derivatives
(other than
options)

(3) Options and
agreements to
purchase/sell

Total


  (c)  Rights to subscribe (Note 3)

Class of relevant security:   Details



3.   DEALINGS (Note 4)

  (a)  Purchases and sales

Purchase/sale Number of Securities Price per unit
                                   (GBP)
Purchase      159                  135.1633 AUD
Purchase      10,440               136.2000 AUD
Purchase      811                  136.2000 AUD
Purchase      1,908                136.2000 AUD
Purchase      7,092                136.2136 AUD
Purchase      3,183                136.2000 AUD
Purchase      38                   134.9971 AUD
Purchase      77                   136.1500 AUD
Purchase      128                  136.1500 AUD
Purchase      172                  136.1500 AUD
Purchase      7,092                136.2136 AUD
Sale          7,092                136.2136 AUD
Sale          1,702                136.1910 AUD
Sale          1,412                135.4940 AUD
Sale          5,686                136.1910 AUD
Sale          335                  136.2000 AUD
Sale          811                  136.2000 AUD
Sale          1,186                136.1910 AUD
Sale          1,409                136.1910 AUD
Sale          699                  136.1910 AUD
Sale          2,859                136.2000 AUD
Sale          409                  136.1910 AUD
Sale          413                  136.2000 AUD
Sale          655                  136.1500 AUD
Sale          774                  136.2000 AUD
Sale          551                  136.2000 AUD
Sale          783                  136.1910 AUD
Sale          816                  136.1910 AUD
Sale          3,535                136.1910 AUD
Sale          318                  136.1910 AUD
Sale          159                  135.1633 AUD
Sale          6,012                136.1910 AUD
Sale          288                  136.1910 AUD
Sale          975                  136.1910 AUD
Sale          770                  136.1910 AUD
Sale          1,899                136.1910 AUD
Sale          36                   136.1909 AUD
Sale          19,759               136.7521 AUD


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          1412          135.4939
CFD            Short         38            134.9971

(c)  Options transactions in respect of existing securities

(i)  Writing, selling, purchasing or varying

Product name,   Writing,          Number of          Exercise  Type, e.g.      Expiry   Option money
e.g. call       selling,          securities to      price     American,       date     paid/received
option          purchasing,       which the option             European etc.            per unit (GBP)
                varying etc.      relates (GBP)


(ii) Exercising

Product name, e.g.  Number of           Exercise price per
call option         securities          unit (Note 5)




(d)  Other dealings (including new securities) (Note 4)


Nature of transaction Details           Price per unit
(Note 8)                                (if applicable)
                                        (Note 5)




4.   OTHER INFORMATION
None

Agreements, arrangements or understandings relating to options or derivatives


Full details of any agreement, arrangement or understanding between the
person disclosing and any other person relating to the voting rights of
any relevant securities under any option referred to on this form or
relating to the voting rights or future acquisition or disposal of any
relevant securities to which any derivative referred to on this form is
referenced.  If none, this should be stated.




Is a Supplemental Form 8 attached? (Note 9)                 NO


Date of disclosure                         17 June 2008
Contact name                               Geoff Smith
Telephone number                           020 7116 2913
If a connected EFM, name of
offeree/offeror with which connected
If a connected EFM, state nature of
connection (Note 10)


Notes

The Notes on Form 8.3 can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk