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               04 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      14,747,552      3.23%       178,110      0.04%
securities
(2) Derivatives        7,240      0.00%        12,097      0.00%
(other than
options)
(3) Options and            0      0.00%             0      0.00%
agreements to
purchase/sell
Total             14,754,792      3.23%       190,207      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      45                   140.8982 AUD
Purchase      370                  140.6500 AUD
Purchase      10,000               140.2360 AUD
Purchase      281                  140.3900 AUD
Purchase      3,568                140.2727 AUD
Purchase      225                  140.2764 AUD
Purchase      632                  140.3900 AUD
Purchase      354                  140.3900 AUD
Purchase      96                   140.2764 AUD
Purchase      593                  140.3900 AUD
Purchase      14,500               140.2619 AUD
Purchase      14,425               139.9066 AUD
Purchase      10,000               140.2500 AUD
Purchase      3,568                140.2727 AUD
Purchase      1,590                140.2773 AUD
Sale          586                  140.0422 AUD
Sale          7,000                140.2500 AUD
Sale          16,015               139.9434 AUD
Sale          3,568                140.2727 AUD
Sale          10,000               140.2500 AUD
Sale          10,000               140.2360 AUD
Sale          943                  139.2704 AUD
Sale          10,000               140.2360 AUD
Sale          3,128                140.0422 AUD
Sale          18,203               140.1751 AUD
Sale          190                  140.0422 AUD
Sale          26                   140.3900 AUD
Sale          1,367                140.0422 AUD
Sale          192                  140.3900 AUD
Sale          1,879                140.0422 AUD
Sale          264                  140.3900 AUD
Sale          194                  140.3900 AUD
Sale          546                  140.0422 AUD
Sale          82                   140.3900 AUD
Sale          439                  140.3900 AUD
Sale          2,183                140.2300 AUD
Sale          129                  140.3900 AUD
Sale          920                  140.0422 AUD
Sale          3,229                140.0422 AUD
Sale          458                  140.3900 AUD
Sale          370                  140.2500 AUD
Sale          1,385                140.0422 AUD
Sale          76                   140.3900 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          943           139.2704
CFD            Short         14500         140.2619
CFD            Short         45            140.8982

(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                         05 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