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               29 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      13,978,848      3.06%    2,113,299       0.46%
securities
(2) Derivatives       56,786      0.01%       60,613       0.01%
(other than
options)
(3) Options and            0      0.00%            0       0.00%
agreements to
purchase/sell
Total             14,035,634      3.07%    2,173,912       0.48%

(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      25,498               138.7042 AUD
Purchase      2,568                137.1000 AUD
Purchase      6,312                139.2500 AUD
Sale          378                  139.0352 AUD
Sale          1,190                139.0352 AUD
Sale          897                  139.0352 AUD
Sale          177                  139.0352 AUD
Sale          1,375                139.1360 AUD
Sale          134                  139.0352 AUD
Sale          710                  139.0352 AUD
Sale          352                  139.0352 AUD
Sale          100                  139.0352 AUD
Sale          275                  139.0352 AUD
Sale          296                  139.0352 AUD
Sale          266                  139.0352 AUD
Sale          323                  139.0352 AUD
Sale          853                  139.0352 AUD
Sale          446                  139.0352 AUD
Sale          949                  139.0352 AUD
Sale          690                  139.0352 AUD
Sale          6,012                139.0352 AUD
Sale          598                  139.0352 AUD
Sale          442                  139.0352 AUD
Sale          907                  139.0352 AUD
Sale          683                  139.0352 AUD
Sale          231                  139.0352 AUD
Sale          120                  139.0352 AUD
Sale          713                  139.0352 AUD
Sale          1,257                139.0352 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         25498         138.7041
CFD            Long          1375          139.136

(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                         30 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