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               22 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      14,623,877      3.20%    1,544,737       0.34%
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             14,623,877      3.20%    1,574,213       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      52,324               101.0480 AUD
Purchase      92                   101.0000 AUD
Purchase      52,324               101.0480 AUD
Purchase      55,056               103.6396 AUD
Purchase      95,056               102.6683 AUD
Purchase      17,200               100.1961 AUD
Purchase      3,195                101.0000 AUD
Purchase      17,200               100.1961 AUD
Purchase      216                  103.7562 AUD
Purchase      40,000               101.3315 AUD
Purchase      729                  103.4700 AUD
Sale          17,200               100.1961 AUD
Sale          55,056               103.6396 AUD
Sale          7,416                101.0000 AUD
Sale          52,324               101.0480 AUD
Sale          6,578                101.0000 AUD
Sale          17,200               100.1961 AUD
Sale          17,200               100.1961 AUD
Sale          2,599                101.0000 AUD
Sale          729                  103.4700 AUD
Sale          40,000               101.3315 AUD
Sale          178                  104.4057 AUD
Sale          2,663                101.0000 AUD
Sale          7,416                101.0000 AUD
Sale          40,000               101.3315 AUD
Sale          55,056               103.6396 AUD
Sale          6,578                101.0000 AUD
Sale          205                  104.4058 AUD
Sale          465                  104.4057 AUD
Sale          434                  104.4057 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          17200         100.196

(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                         23 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