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               23 January 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      14,689,217      3.22%    1,478,435       0.32%
securities
(2) Derivatives            0      0.00%       29,476       0.01%
(other than
options)
(3) Options and            0      0.00%            0       0.00%
agreements to
purchase/sell
Total             14,719,391      3.22%     1,484,380      0.32%


(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      49                   106.6839 AUD
Purchase      801                  106.6882 AUD
Purchase      1,061                106.6840 AUD
Purchase      35                   106.6840 AUD
Purchase      33                   106.6840 AUD
Purchase      119                  106.6839 AUD
Purchase      224                  106.6881 AUD
Purchase      50                   106.6840 AUD
Purchase      2,922                106.6882 AUD
Purchase      58                   106.6840 AUD
Purchase      68                   109.1700 AUD
Purchase      745                  106.6881 AUD
Purchase      19                   106.6837 AUD
Purchase      27,830               105.4282 AUD
Purchase      454                  106.6882 AUD
Purchase      41                   106.6840 AUD
Purchase      7,144                109.2462 AUD
Purchase      80                   106.6839 AUD
Purchase      3,267                106.6881 AUD
Purchase      13,225               106.6881 AUD
Purchase      231                  106.6839 AUD
Purchase      17                   106.6842 AUD
Purchase      565                  106.6882 AUD
Purchase      621                  106.6881 AUD
Purchase      24,408               106.2326 AUD
Purchase      44                   106.6839 AUD
Purchase      248                  106.6882 AUD
Purchase      1,515                106.6881 AUD
Purchase      24,408               106.2326 AUD
Purchase      66                   106.6840 AUD
Purchase      40,000               108.9341 AUD
Purchase      1,695                106.6881 AUD
Purchase      1,705                106.6881 AUD
Purchase      1,224                106.6881 AUD
Purchase      96                   106.6839 AUD
Purchase      63                   106.6840 AUD
Purchase      3,042                106.6881 AUD
Purchase      285                  106.6882 AUD
Purchase      272                  106.6839 AUD
Purchase      3,447                106.6881 AUD
Purchase      60                   106.6839 AUD
Purchase      240                  106.6840 AUD
Purchase      133                  106.6840 AUD
Purchase      2,810                106.6881 AUD
Purchase      222                  106.6840 AUD
Purchase      49                   106.6839 AUD
Purchase      83,374               101.0000 AUD
Purchase      766                  106.6881 AUD
Purchase      258                  106.6840 AUD
Purchase      45                   106.6840 AUD
Purchase      1,019                106.6881 AUD
Purchase      22                   106.6841 AUD
Purchase      570                  106.6882 AUD
Purchase      838                  106.6882 AUD
Purchase      1,309                106.0100 AUD
Purchase      526                  106.6881 AUD
Purchase      19                   106.6837 AUD
Purchase      424                  106.6881 AUD
Purchase      623                  106.6882 AUD
Purchase      641                  106.6881 AUD
Purchase      253                  106.6882 AUD
Purchase      11,306               109.1500 AUD
Purchase      134                  106.6839 AUD
Sale          11,306               109.1500 AUD
Sale          12,881               106.0100 AUD
Sale          7,517                106.0100 AUD
Sale          1,309                106.0100 AUD
Sale          40,000               108.9341 AUD
Sale          24,408               106.2326 AUD
Sale          3,516                106.6839 AUD
Sale          2,054                106.0100 AUD
Sale          68                   106.0100 AUD
Sale          6,578                106.0100 AUD
Sale          53,705               104.7589 AUD
Sale          27,830               105.4282 AUD
Sale          11,306               109.1500 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          53705         104.7588

(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                         24 January 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