Rule 8.3 - RIO TINTO LTD

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               19 November 2007

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      14,103,629      3.09%    2,069,550       0.45%
securities
(2) Derivatives          100      0.00%        7,800       0.00%
(other than
options)
(3) Options and            0      0.00%            0       0.00%
agreements to
purchase/sell
Total             14,103,729      3.09%    2,077,350       0.45%


(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      1,175                136.0000 AUD
Purchase      1,605                135.9500 AUD
Purchase      24,209               135.9221 AUD
Purchase      774                  134.8663 AUD
Purchase      300                  135.9300 AUD
Purchase      1,175                136.0000 AUD
Purchase      7,364                136.0000 AUD
Sale          534                  135.8160 AUD
Sale          19                   135.9500 AUD
Sale          626                  135.8161 AUD
Sale          21                   135.9500 AUD
Sale          188                  135.8161 AUD
Sale          129                  135.9500 AUD
Sale          190                  135.8160 AUD
Sale          10                   135.9500 AUD
Sale          832                  135.8160 AUD
Sale          46                   135.9500 AUD
Sale          139                  135.8160 AUD
Sale          167                  135.8160 AUD
Sale          275                  135.9500 AUD
Sale          49                   135.9500 AUD
Sale          31                   135.9500 AUD
Sale          34                   135.9500 AUD
Sale          351                  135.8161 AUD
Sale          24,209               135.9221 AUD
Sale          10                   135.9500 AUD
Sale          100                  135.3000 AUD
Sale          9                    135.9500 AUD
Sale          19                   135.9500 AUD
Sale          48                   135.9500 AUD
Sale          195                  135.8160 AUD
Sale          199                  135.8160 AUD
Sale          774                  134.8663 AUD
Sale          11                   135.9500 AUD
Sale          4,926                136.1735 AUD
Sale          892                  135.8160 AUD
Sale          33                   135.9500 AUD
Sale          80                   135.9500 AUD
Sale          379                  135.8160 AUD
Sale          605                  135.8160 AUD
Sale          561                  135.8161 AUD
Sale          265                  135.8160 AUD
Sale          86                   135.9500 AUD
Sale          10                   135.9500 AUD
Sale          1,162                135.8160 AUD
Sale          6,354                135.8160 AUD
Sale          64                   135.9500 AUD
Sale          1,440                135.8160 AUD
Sale          1,929                136.0000 AUD
Sale          69                   135.9500 AUD
Sale          14                   135.9500 AUD
Sale          372                  135.9500 AUD
Sale          2,314                135.8160 AUD
Sale          1,250                135.8160 AUD
Sale          1,581                135.8161 AUD
Sale          88                   135.9500 AUD
Sale          347                  135.8160 AUD
Sale          1,537                135.8160 AUD
Sale          7                    135.9500 AUD
Sale          860                  135.8160 AUD
Sale          29                   135.9500 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         300           135.93
CFD            Long          100           135.3


(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                         20 November 2007
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