Rule 8.3 - RIO TINTO Limited

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               03 March 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      14,786,402      3.24%     1,096,840      0.24%
securities
(2) Derivatives            0      0.00%        12,582      0.00%
(other than
options)
(3) Options and            0      0.00%            0       0.00%
agreements to
purchase/sell
Total             14,786,402      3.24%     1,109,422      0.24%

(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      206                  137.0000 AUD
Purchase      986                  137.0000 AUD
Purchase      11,468               133.1982 AUD
Purchase      113                  137.0000 AUD
Purchase      397                  131.6500 AUD
Purchase      3,614                131.6632 AUD
Purchase      10,768               132.3670 AUD
Purchase      74                   134.0000 AUD
Purchase      3,614                131.6632 AUD
Purchase      60                   137.0000 AUD
Purchase      113                  137.0000 AUD
Purchase      75                   137.0000 AUD
Sale          376                  132.4102 AUD
Sale          3,758                132.4102 AUD
Sale          471                  137.0000 AUD
Sale          148                  134.0000 AUD
Sale          74                   132.7503 AUD
Sale          34,428               132.4214 AUD
Sale          1,552                131.6500 AUD
Sale          10,768               132.3670 AUD
Sale          45                   132.4103 AUD
Sale          3,614                131.6632 AUD
Sale          108                  132.7503 AUD
Sale          370                  132.7503 AUD
Sale          236                  133.9732 AUD
Sale          393                  132.4102 AUD
Sale          514                  132.4102 AUD
Sale          11,468               133.1982 AUD
Sale          701                  132.4102 AUD
Sale          10,768               132.3670 AUD
Sale          2,991                131.6500 AUD
Sale          13,173               137.0000 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          34428         132.4213
CFD            Long          236           133.9732

(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
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.

None


Is a Supplemental Form 8 attached? (Note 9)                 NO


Date of disclosure                         04 March 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