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               31 October 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      12,765,526     2.79%        309,800     0.07%
securities
(2) Derivatives       20,414     0.00%            689     0.00%
(other than
options)
(3) Options and            0     0.00%              0     0.00%
agreements to
purchase/sell
Total             12,785,940     2.80%        310,489     0.07%

(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      13                   75.3100 AUD
Purchase      2,324                75.9788 AUD
Purchase      30                   75.3100 AUD
Purchase      19                   75.3100 AUD
Purchase      1,503                75.9788 AUD
Purchase      541                  75.9788 AUD
Purchase      657                  75.9788 AUD
Purchase      1,069                75.9787 AUD
Purchase      45                   77.6000 AUD
Purchase      433                  75.9788 AUD
Purchase      20,646               75.9787 AUD
Purchase      2,367                75.9787 AUD
Purchase      241                  75.9788 AUD
Purchase      3                    75.3100 AUD
Purchase      8                    75.3100 AUD
Purchase      7                    75.3100 AUD
Purchase      1,914                77.6000 AUD
Purchase      11,396               76.7064 AUD
Purchase      3,294                77.5922 AUD
Purchase      514                  75.7353 AUD
Purchase      3,294                77.5922 AUD
Purchase      14,267               77.6000 AUD
Purchase      360                  77.6000 AUD
Purchase      1,500                77.6000 AUD
Purchase      98                   77.6000 AUD
Purchase      38                   77.6000 AUD
Purchase      1,100                77.6000 AUD
Purchase      1,985                77.6000 AUD
Purchase      50                   77.6000 AUD
Purchase      175                  77.6000 AUD
Purchase      6,958                77.6000 AUD
Purchase      31                   75.3100 AUD
Purchase      3,907                77.6000 AUD
Purchase      221                  75.9787 AUD
Purchase      18,219               77.6000 AUD
Purchase      1,948                75.9788 AUD
Purchase      25                   75.3100 AUD
Purchase      2                    75.3100 AUD
Purchase      281                  75.3100 AUD
Purchase      5                    75.3100 AUD
Purchase      46                   75.3100 AUD
Purchase      2                    75.3100 AUD
Purchase      781                  75.9787 AUD
Purchase      2,212                75.9787 AUD
Purchase      2,251                77.6000 AUD
Purchase      28                   75.3100 AUD
Purchase      631                  75.9787 AUD
Purchase      8                    75.3100 AUD
Purchase      2                    75.3100 AUD
Purchase      170                  75.9788 AUD
Purchase      19,681               77.6000 AUD
Purchase      627                  75.9787 AUD
Purchase      189                  75.9787 AUD
Purchase      6                    75.3100 AUD
Purchase      458                  75.9787 AUD
Purchase      1,111                75.9788 AUD
Purchase      14                   75.3100 AUD
Purchase      12                   75.3100 AUD
Purchase      3,519                75.9788 AUD
Purchase      981                  75.9787 AUD
Purchase      8                    75.3100 AUD
Purchase      2,470                75.9787 AUD
Purchase      32                   75.3100 AUD
Purchase      990                  75.9787 AUD
Purchase      12                   75.3100 AUD
Purchase      10                   75.3100 AUD
Sale          98                   77.6000 AUD
Sale          11,396               76.7064 AUD
Sale          3,294                77.5922 AUD
Sale          14,690               76.9051 AUD
Sale          516                  77.6000 AUD
Sale          3,674                77.6000 AUD
Sale          254                  77.6000 AUD
Sale          50                   77.6000 AUD
Sale          175                  77.6000 AUD
Sale          38                   77.6000 AUD
Sale          604                  75.3100 AUD
Sale          3,294                77.5922 AUD
Sale          360                  77.6000 AUD

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Short         514           75.7352

(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 November 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