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               06 February 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      15,042,937      3.29%    1,222,050       0.27%
securities
(2) Derivatives            0      0.00%       35,452       0.01%
(other than
options)
(3) Options and            0      0.00%            0       0.00%
agreements to
purchase/sell
Total             15,042,937      3.29%     1,257,502      0.28%


(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      15,482               129.8894 AUD
Purchase      5,496                128.0200 AUD
Purchase      9,742                126.0717 AUD
Purchase      7,542                127.1527 AUD
Purchase      89,252               129.5263 AUD
Purchase      62,018               129.8894 AUD
Purchase      1,225                130.0100 AUD
Purchase      7,542                127.1527 AUD
Purchase      175                  128.0200 AUD
Purchase      44,450               129.7791 AUD
Sale          278                  128.5063 AUD
Sale          33                   130.0100 AUD
Sale          90                   130.0100 AUD
Sale          45                   130.0100 AUD
Sale          14,000               125.8393 AUD
Sale          9,742                126.0717 AUD
Sale          366                  128.5063 AUD
Sale          206                  128.5063 AUD
Sale          32                   130.0100 AUD
Sale          187                  130.0100 AUD
Sale          306                  128.5063 AUD
Sale          103                  130.0100 AUD
Sale          1,276                128.5063 AUD
Sale          19                   130.0100 AUD
Sale          52                   130.0100 AUD
Sale          107                  130.0100 AUD
Sale          827                  128.5063 AUD
Sale          76                   130.0100 AUD
Sale          266                  128.5063 AUD
Sale          312                  128.5063 AUD
Sale          38                   130.0100 AUD
Sale          160                  130.0100 AUD
Sale          51                   130.0100 AUD
Sale          855                  128.5063 AUD
Sale          388                  128.5063 AUD
Sale          158                  128.5063 AUD
Sale          419                  128.5063 AUD
Sale          39                   130.0100 AUD
Sale          48                   130.0100 AUD
Sale          1,587                127.1400 AUD
Sale          44,450               129.7791 AUD
Sale          25                   130.0100 AUD
Sale          608                  128.5063 AUD
Sale          34                   130.0100 AUD
Sale          1,403                128.5063 AUD
Sale          686                  128.5063 AUD
Sale          7,542                127.1527 AUD
Sale          412                  128.5063 AUD
Sale          258                  128.5063 AUD
Sale          717                  128.5063 AUD
Sale          86                   130.0100 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         89252         129.5262
CFD            Long          14000         125.8393
(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                         07 February 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