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               24 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      13,507,159      2.96%       188,771      0.04%
securities
(2) Derivatives        7,240      0.00%         1,816      0.00%
(other than
options)
(3) Options and            0      0.00%             0      0.00%
agreements to
purchase/sell
Total             13,514,399      2.96%       190,587      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      365                  141.7500 AUD
Purchase      23,792               138.0885 AUD
Purchase      760                  140.5724 AUD
Purchase      124                  139.2178 AUD
Purchase      532                  140.0400 AUD
Purchase      900                  139.9116 AUD
Purchase      3,505                135.8400 AUD
Sale          238                  135.8400 AUD
Sale          223                  135.8400 AUD
Sale          8,453                136.4197 AUD
Sale          1,022                136.4197 AUD
Sale          27                   135.8400 AUD
Sale          3,261                136.4197 AUD
Sale          286                  135.8400 AUD
Sale          270                  135.8400 AUD
Sale          10,841               136.4197 AUD
Sale          1,652                136.4197 AUD
Sale          43                   135.8400 AUD
Sale          832                  136.4197 AUD
Sale          86                   135.8400 AUD
Sale          9,011                136.4197 AUD
Sale          1,676                136.4198 AUD
Sale          72                   135.8400 AUD
Sale          10,230               136.4197 AUD
Sale          49                   135.8400 AUD
Sale          1,872                136.4198 AUD
Sale          2,904                141.7500 AUD
Sale          8,320                141.7500 AUD
Sale          365                  141.7500 AUD
Sale          532                  140.0400 AUD
Sale          23,792               138.0885 AUD
Sale          760                  140.5724 AUD
Sale          44                   135.8400 AUD
Sale          858                  136.4197 AUD
Sale          1,543                136.4198 AUD
Sale          40                   135.8400 AUD
Sale          22                   135.8400 AUD
Sale          837                  136.4198 AUD
Sale          143                  136.4198 AUD
Sale          22                   135.8400 AUD
Sale          22                   135.8400 AUD
Sale          328                  135.8400 AUD
Sale          8,955                139.4348 AUD
Sale          15,982               139.4348 AUD
Sale          2,585                141.7500 AUD
Sale          748                  141.7500 AUD
Sale          148                  141.7500 AUD
Sale          1,115                135.8400 AUD
Sale          3                    135.8400 AUD
Sale          5,296                136.4197 AUD
Sale          41,652               136.4197 AUD
Sale          842                  136.4198 AUD
Sale          22                   135.8400 AUD
Sale          2,531                136.4197 AUD
Sale          66                   135.8400 AUD
Sale          257                  135.8400 AUD
Sale          50                   135.8400 AUD
Sale          140                  135.8400 AUD
Sale          1,925                136.4197 AUD
Sale          1,892                136.4197 AUD
Sale          50                   135.8400 AUD
Sale          30                   135.8400 AUD
Sale          1,172                136.4198 AUD
Sale          12,421               136.4197 AUD
Sale          2,731                136.4197 AUD
Sale          9,724                136.4197 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         124           139.2178
CFD            Short         900           139.9115

(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                         25 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