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 LTD
Class of relevant security    ORD
to which the dealings being
disclosed relate (Note 2)
Date of dealing               14/11/2007

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      14,322,056     3.14%    2,081,735      0.46%
securities
(2) Derivatives            0     0.00%        7,500      0.00%
(other than
options)
(3) Options and            0     0.00%            0     0.00%
agreements to
purchase/sell
Total             14,322,056     3.14%    2,089,235     0.46%

(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      16,976               138.2616 AUD
Purchase      34,944               138.8490 AUD
Purchase      361                  137.5000 AUD
Purchase      575                  138.9000 AUD
Purchase      1,753                138.9000 AUD
Sale          44                   138.9000 AUD
Sale          30                   138.9000 AUD
Sale          537                  138.3889 AUD
Sale          103                  138.9000 AUD
Sale          1,832                138.3889 AUD
Sale          2,619                138.3889 AUD
Sale          2,454                138.3889 AUD
Sale          1,383                138.3889 AUD
Sale          5,273                138.3889 AUD
Sale          303                  138.3889 AUD
Sale          478                  138.3889 AUD
Sale          15,221               138.3889 AUD
Sale          3,132                138.3889 AUD
Sale          2,055                138.3889 AUD
Sale          1,432                138.3889 AUD
Sale          415                  138.3889 AUD
Sale          81                   138.9000 AUD
Sale          75                   138.9000 AUD
Sale          424                  138.3889 AUD
Sale          208                  138.9000 AUD
Sale          54                   138.9000 AUD
Sale          75                   138.9000 AUD
Sale          21                   138.9000 AUD
Sale          1,910                138.3889 AUD
Sale          553                  138.3889 AUD
Sale          1,325                138.3889 AUD
Sale          16                   138.9000 AUD
Sale          16                   138.9000 AUD
Sale          11                   138.9000 AUD
Sale          461                  138.3889 AUD
Sale          1,910                138.3889 AUD
Sale          44                   138.9000 AUD
Sale          34,944               138.8490 AUD
Sale          52                   138.9000 AUD
Sale          65                   138.9000 AUD
Sale          618                  138.9000 AUD
Sale          603                  138.3889 AUD
Sale          17                   138.9000 AUD
Sale          96                   138.9000 AUD
Sale          123                  138.9000 AUD
Sale          389                  138.3889 AUD
Sale          7,557                139.0000 AUD
Sale          747                  138.3889 AUD
Sale          103                  138.9000 AUD
Sale          157                  138.9000 AUD
Sale          361                  137.5000 AUD
Sale          21                   138.9000 AUD
Sale          1,122                138.3889 AUD
Sale          15                   138.9000 AUD
Sale          3,988                138.3889 AUD
Sale          2,626                138.3889 AUD
Sale          23                   138.9000 AUD
Sale          16,976               138.2616 AUD
Sale          56                   138.9000 AUD
Sale          72                   138.9000 AUD
Sale          1,114                138.3889 AUD
Sale          361                  137.5000 AUD
Sale          18                   138.9000 AUD
Sale          18                   138.9000 AUD
Sale          763                  138.3889 AUD
Sale          442                  138.3889 AUD
Sale          29                   138.9000 AUD
Sale          1,660                138.3889 AUD


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



(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                         15/11/07
Contact name                               Barclays Compliance
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)