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               28 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      13,964,844      3.06%    2,129,203       0.47%
securities
(2) Derivatives       55,411      0.01%       35,115       0.01%
(other than
options)
(3) Options and            0      0.00%            0       0.00%
agreements to
purchase/sell
Total             14,020,255      3.07%     2,164,318      0.47%

(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      8,416                135.0000 AUD
Purchase      5,608                135.0135 AUD
Purchase      5,608                135.0135 AUD
Purchase      354                  135.0000 AUD
Purchase      2,180                135.0000 AUD
Purchase      347                  136.1100 AUD
Purchase      9,938                135.9482 AUD
Purchase      6,790                136.1100 AUD
Purchase      3,200                136.2994 AUD
Purchase      3,868                135.1680 AUD
Purchase      5,219                134.8132 AUD
Sale          185                  136.1100 AUD
Sale          513                  134.5533 AUD
Sale          231                  136.1100 AUD
Sale          5,608                135.0135 AUD
Sale          57                   136.1100 AUD
Sale          57                   136.1100 AUD
Sale          236                  135.4945 AUD
Sale          721                  136.1100 AUD
Sale          493                  135.4946 AUD
Sale          65                   136.1100 AUD
Sale          136                  135.4945 AUD
Sale          281                  135.4945 AUD
Sale          289                  136.1100 AUD
Sale          375                  136.1100 AUD
Sale          175                  135.4946 AUD
Sale          325                  135.4945 AUD
Sale          153                  135.4946 AUD
Sale          831                  135.4946 AUD
Sale          9,938                135.9482 AUD
Sale          262                  135.4946 AUD
Sale          427                  135.4945 AUD
Sale          23,148               135.0000 AUD
Sale          617                  135.4946 AUD
Sale          5,219                134.8132 AUD
Sale          160                  136.1100 AUD
Sale          85                   136.1100 AUD
Sale          771                  135.4946 AUD
Sale          154                  135.4945 AUD
Sale          1,004                135.4946 AUD
Sale          5,219                134.8132 AUD
Sale          169                  135.4945 AUD
Sale          377                  136.1100 AUD
Sale          152                  135.4945 AUD
Sale          615                  135.4946 AUD
Sale          228                  135.4946 AUD
Sale          121                  136.1100 AUD
Sale          312                  136.1100 AUD
Sale          231                  136.1100 AUD
Sale          1,000                135.4945 AUD
Sale          1,287                135.4945 AUD
Sale          483                  136.1100 AUD
Sale          105                  136.1100 AUD
Sale          2,108                136.1100 AUD
Sale          51                   136.1100 AUD
Sale          1,919                135.4946 AUD
Sale          63                   136.1100 AUD
Sale          212                  135.4945 AUD
Sale          252                  136.1100 AUD
Sale          642                  135.4946 AUD
Sale          3,868                135.1681 AUD
Sale          79                   136.1100 AUD
Sale          241                  136.1100 AUD
Sale          673                  135.4946 AUD
Sale          57                   136.1100 AUD
Sale          88                   136.1100 AUD
Sale          98                   136.1100 AUD
Sale          5,545                135.4945 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         3200          136.2993
CFD            Long          513           134.5533

(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                         29 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