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               09 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      14,725,301      3.22%      1,565,719     0.34%
securities
(2) Derivatives       53,902      0.01%             0      0.00%
(other than
options)
(3) Options and            0      0.00%             0      0.00%
agreements to
purchase/sell
Total             14,779,203      3.24%     1,565,719      0.34%


(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      76                   127.5000 AUD
Purchase      58                   127.5000 AUD
Purchase      19,837               126.2393 AUD
Purchase      79,763               127.5000 AUD
Purchase      5,904                127.5000 AUD
Purchase      754                  126.0000 AUD
Purchase      19,837               126.2393 AUD
Purchase      1,441                127.5000 AUD
Purchase      19,837               126.2393 AUD
Purchase      1,282                127.5000 AUD
Purchase      1,881                126.2173 AUD
Purchase      90                   126.0000 AUD
Purchase      1,058                126.6900 AUD
Purchase      5,904                128.0000 AUD
Purchase      7,696                126.0339 AUD
Purchase      1,099                127.5000 AUD
Purchase      65                   125.6800 AUD
Purchase      7,696                126.0339 AUD
Purchase      4,985                127.5000 AUD
Purchase      240                  126.0000 AUD
Purchase      1,282                129.1700 AUD
Purchase      82                   128.0000 AUD
Purchase      529                  126.6900 AUD
Purchase      63                   127.9910 AUD
Purchase      7,140                127.5000 AUD
Purchase      600                  126.2173 AUD
Purchase      50                   126.0000 AUD
Purchase      529                  129.1700 AUD
Sale          105                  126.1693 AUD
Sale          19,837               126.2393 AUD
Sale          1,518                129.1700 AUD
Sale          101                  126.2174 AUD
Sale          19,837               126.2393 AUD
Sale          247                  126.2173 AUD
Sale          260                  126.1692 AUD
Sale          76                   127.5000 AUD
Sale          3,189                129.6128 AUD
Sale          811                  126.2173 AUD
Sale          107                  126.1692 AUD
Sale          37                   126.2173 AUD
Sale          125                  128.0000 AUD
Sale          426                  126.1693 AUD
Sale          110                  126.1692 AUD
Sale          312                  126.2174 AUD
Sale          7,696                126.0339 AUD
Sale          403                  126.2173 AUD
Sale          850                  129.1700 AUD
Sale          39                   126.1693 AUD
Sale          99                   126.2173 AUD
Sale          5,904                127.5000 AUD
Sale          81                   128.0000 AUD
Sale          330                  126.1693 AUD
Sale          7,140                127.5000 AUD
Sale          177                  126.1693 AUD
Sale          843                  126.1693 AUD
Sale          154                  126.2173 AUD
Sale          164                  126.1693 AUD
Sale          50                   126.1692 AUD
Sale          7,696                126.0339 AUD
Sale          167                  126.2174 AUD
Sale          46                   126.2174 AUD
Sale          104                  126.2174 AUD
Sale          1,190                126.6900 AUD
Sale          232                  127.1997 AUD
Sale          58                   127.5000 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         19837         126.2393

(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                         10 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