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               14 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      14,713,135      3.22%     1,594,634      0.35%
securities
(2) Derivatives       16,722      0.00%         9,575      0.00%
(other than
options)
(3) Options and            0      0.00%             0      0.00%
agreements to
purchase/sell
Total             14,729,857      3.22%      1,604,209     0.35%

(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      13,790               125.0250 AUD
Purchase      10,000               126.2034 AUD
Purchase      4,884                127.1709 AUD
Purchase      1,749                126.0000 AUD
Purchase      48,731               126.3280 AUD
Purchase      48,731               126.3280 AUD
Purchase      7,151                125.9294 AUD
Purchase      48,731               126.3280 AUD
Purchase      13,790               125.0000 AUD
Purchase      8,179                125.7954 AUD
Purchase      13,790               125.0000 AUD
Purchase      1,028                124.8634 AUD
Purchase      4,884                127.1709 AUD
Sale          192                  125.9687 AUD
Sale          76                   125.9687 AUD
Sale          276                  126.0000 AUD
Sale          4,884                127.1709 AUD
Sale          10,000               126.2034 AUD
Sale          30                   126.0000 AUD
Sale          8,179                125.7954 AUD
Sale          48,731               126.3280 AUD
Sale          234                  126.0000 AUD
Sale          123                  126.0000 AUD
Sale          587                  125.9688 AUD
Sale          13,790               125.0000 AUD
Sale          168                  126.0000 AUD
Sale          10,000               126.2034 AUD
Sale          155                  126.0000 AUD
Sale          345                  125.0000 AUD
Sale          260                  125.9687 AUD
Sale          228                  126.0000 AUD
Sale          23                   126.0000 AUD
Sale          81                   125.9687 AUD
Sale          68                   125.9687 AUD
Sale          74                   125.9687 AUD
Sale          48,731               126.3280 AUD
Sale          13,790               125.0000 AUD
Sale          66                   126.0000 AUD
Sale          8,179                125.7954 AUD
Sale          266                  125.9687 AUD
Sale          27                   125.9686 AUD
Sale          4,884                127.1709 AUD
Sale          64                   126.0000 AUD
Sale          35                   125.9686 AUD
Sale          528                  126.0000 AUD
Sale          71                   126.0000 AUD
Sale          177                  125.9688 AUD
Sale          59                   126.0000 AUD
Sale          1,723                125.0000 AUD
Sale          141                  125.9688 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         13790         125.025
CFD            Short         48731         126.3279

(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 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