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               18 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      14,604,012      3.20%       200,779      0.04%
securities
(2) Derivatives        9,248      0.00%
(other than
options)
(3) Options and            0      0.00%             0      0.00%
agreements to
purchase/sell
Total             14,613,260      3.20%       200,779      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      4,958                139.1389 AUD
Purchase      3,546                140.1360 AUD
Purchase      5,742                140.1500 AUD
Purchase      18,319               139.7892 AUD
Purchase      2,469                139.0770 AUD
Purchase      20,919               139.0398 AUD
Sale          1,168                139.0866 AUD
Sale          874                  139.0865 AUD
Sale          1,908                139.1061 AUD
Sale          20,919               139.0398 AUD
Sale          4,958                139.1389 AUD
Sale          7                    139.0858 AUD
Sale          5,730                139.8799 AUD
Sale          12,589               139.7479 AUD
Sale          3,546                140.1360 AUD
Sale          8,504                139.5547 AUD
Sale          610                  140.1220 AUD
Sale          520                  139.0866 AUD
Sale          717                  139.1759 AUD
Sale          5,839                136.4088 AUD
Sale          547                  139.0866 AUD
Sale          389                  139.0866 AUD
Sale          1,187                139.0866 AUD
Sale          1,064                139.0866 AUD
Sale          949                  139.0866 AUD
Sale          181                  139.0865 AUD
Sale          2,938                139.0866 AUD
Sale          1,030                139.0866 AUD
Sale          318                  139.0866 AUD
Sale          105                  139.0865 AUD
Sale          235                  139.0866 AUD
Sale          722                  139.0865 AUD
Sale          1,599                139.0866 AUD
Sale          3,152                139.0866 AUD
Sale          580                  139.0865 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          1908          139.1061
CFD            Long          610           140.1219
CFD            Short         2469          139.0769

(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                         19 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