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               02 July 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      12,493,468      2.73%       282,494      0.06%
securities
(2) Derivatives        7,312      0.00%           267      0.00%
(other than
options)
(3) Options and            0      0.00%             0      0.00%
agreements to
purchase/sell
Total             12,500,780      2.74%       282,761      0.06%


(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      284                  133.4100 AUD
Purchase      5,792                133.6032 AUD
Purchase      5,283                134.2166 AUD
Purchase      7,505                132.4287 AUD
Purchase      7,505                132.4287 AUD
Purchase      74                   134.5200 AUD
Purchase      112                  134.8232 AUD
Purchase      6,285                133.9852 AUD
Purchase      10,000               132.2968 AUD
Purchase      961                  132.3100 AUD
Purchase      1,691                133.4100 AUD
Purchase      590                  133.4807 AUD
Purchase      10,126               133.4807 AUD
Purchase      4,894                133.4100 AUD
Purchase      117                  134.0700 AUD
Purchase      80                   134.0700 AUD
Purchase      161                  134.0700 AUD
Purchase      106                  134.0700 AUD
Purchase      3,502                133.4807 AUD
Sale          10,000               132.2968 AUD
Sale          7,505                132.4287 AUD
Sale          568                  132.3100 AUD
Sale          6,285                133.9852 AUD
Sale          330                  132.3100 AUD
Sale          339                  134.0700 AUD
Sale          5,283                134.2166 AUD
Sale          4,214                133.7437 AUD
Sale          112                  134.8232 AUD
Sale          316                  133.4100 AUD
Sale          1,812                132.3100 AUD
Sale          486                  132.3100 AUD
Sale          1,466                133.4100 AUD
Sale          113                  133.4100 AUD
Sale          900                  134.2262 AUD
Sale          701                  133.4100 AUD
Sale          330                  133.4100 AUD
Sale          1,886                133.4100 AUD
Sale          197                  133.4100 AUD
Sale          417                  133.4100 AUD
Sale          150                  133.4100 AUD
Sale          357                  133.4100 AUD
Sale          936                  133.4100 AUD
Sale          15,283               132.9604 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          4214          133.7436
CFD            Long          900           134.2262
CFD            Short         5792          133.6031
CFD            Short         74            134.52

(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                         03 July 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