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               12/11/2007

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      14,418,645     3.16%       2,078,580.00 0.46%
securities
(2) Derivatives        5,497.00  0.00%           1,922    0.00%
(other than
options)
(3) Options and            0     0.00%              0     0.00%
agreements to
purchase/sell
Total             14,424,142.00  3.16%       2,080,502.00 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      8,503.00             139.2273 AUD
Purchase      42                   141.8652 AUD
Purchase      29,157.00            138.7468 AUD
Purchase      80                   141.8652 AUD
Purchase      42                   141.8652 AUD
Purchase      27,672.00            139.5914 AUD
Purchase      7,312.00             142.5792 AUD
Purchase      2,287.00             139.7200 AUD
Purchase      1,418.00             141.0297 AUD
Purchase      28,684.00            142.7723 AUD
Sale          27,672.00            139.5914 AUD
Sale          2,829.00             139.8801 AUD
Sale          3,763.00             139.8802 AUD
Sale          2,759.00             139.8802 AUD
Sale          1,237.00             139.8801 AUD
Sale          4,214.00             139.8801 AUD
Sale          497                  139.8802 AUD
Sale          27,672.00            139.5914 AUD
Sale          6,739.00             139.8801 AUD
Sale          2,527.00             139.8801 AUD
Sale          2,860.00             139.8802 AUD
Sale          549                  139.8801 AUD
Sale          1,289.00             139.8802 AUD
Sale          7,164.00             139.8802 AUD
Sale          28,684.00            142.7724 AUD
Sale          22,498.00            139.8801 AUD
Sale          351                  139.8802 AUD
Sale          13,565.00            139.8706 AUD
Sale          1,126.00             139.8801 AUD
Sale          2,650.00             139.8802 AUD
Sale          12,237.00            140.2004 AUD
Sale          1,548.00             139.8801 AUD
Sale          972                  139.8802 AUD
Sale          2,937.00             139.8801 AUD
Sale          1,883.00             139.8802 AUD
Sale          2,761.00             139.8802 AUD
Sale          732                  139.8801 AUD
Sale          859                  139.8802 AUD
Sale          4,898.00             139.8801 AUD
Sale          9,646.00             139.8801 AUD
Sale          1,576.00             139.8802 AUD
Sale          383                  139.8802 AUD
Sale          280                  139.8802 AUD
Sale          2,138.00             139.8801 AUD
Sale          37,660.00            138.8553 AUD
Sale          522                  139.8801 AUD
Sale          970                  139.8802 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          12,237.00     140.2
CFD            Short         7,312.00      142.58


(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                         13/11/07
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)