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               02 June 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      14,774,278      3.23%       169,403      0.04%
securities
(2) Derivatives        8,533      0.00%         2,220      0.00%
(other than
options)
(3) Options and            0      0.00%             0      0.00%
agreements to
purchase/sell
Total             14,782,811      3.24%       171,623      0.04%


(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      858                  140.5674 AUD
Purchase      1,057                141.3400 AUD
Purchase      9,285                141.7000 AUD
Purchase      276                  141.3400 AUD
Purchase      34,597               141.8076 AUD
Sale          279                  141.3400 AUD
Sale          606                  141.2054 AUD
Sale          128                  141.3400 AUD
Sale          91                   141.3400 AUD
Sale          429                  141.2054 AUD
Sale          161                  141.3400 AUD
Sale          762                  141.2054 AUD
Sale          38                   141.2053 AUD
Sale          8                    141.3400 AUD
Sale          214                  141.2054 AUD
Sale          1,207                141.2054 AUD
Sale          1,281                141.2054 AUD
Sale          387                  141.2054 AUD
Sale          82                   141.3400 AUD
Sale          381                  138.0000 AUD
Sale          772                  141.7000 AUD
Sale          3,031                141.7000 AUD
Sale          460                  141.7000 AUD
Sale          271                  140.6478 AUD
Sale          34,597               141.8076 AUD
Sale          45                   141.3400 AUD
Sale          163                  138.0290 AUD
Sale          181                  141.3400 AUD
Sale          1,655                141.7000 AUD
Sale          1,090                138.0290 AUD
Sale          72                   138.0290 AUD
Sale          2,467                138.0290 AUD
Sale          137                  138.0290 AUD
Sale          434                  138.0290 AUD
Sale          144                  138.0290 AUD
Sale          209                  138.0290 AUD
Sale          296                  141.2054 AUD
Sale          76                   138.0290 AUD
Sale          63                   141.3400 AUD
Sale          75                   138.0290 AUD
Sale          250                  138.0290 AUD
Sale          323                  138.0290 AUD
Sale          3,093                141.7000 AUD
Sale          7,005                139.7606 AUD
Sale          3,135                139.7607 AUD
Sale          188                  141.2054 AUD
Sale          39                   141.3400 AUD
Sale          256                  141.3400 AUD
Sale          854                  141.2054 AUD
Sale          1,362                138.0290 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          271           140.6478
CFD            Short         858           140.5674

(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                         03 June 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