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               30 May 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      14,797,002      3.24%       170,690      0.04%
securities
(2) Derivatives        8,533      0.00%         1,633      0.00%
(other than
options)
(3) Options and            0      0.00%             0      0.00%
agreements to
purchase/sell
Total             14,805,535      3.24%       172,323      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      212                  138.0000 AUD
Purchase      639                  138.0000 AUD
Purchase      3,095                138.0000 AUD
Purchase      37                   138.0000 AUD
Purchase      29                   138.0000 AUD
Purchase      1,973                138.0000 AUD
Purchase      1,816                138.0000 AUD
Purchase      1,919                138.0000 AUD
Purchase      40                   138.0000 AUD
Purchase      14                   138.0000 AUD
Purchase      1,832                138.0000 AUD
Purchase      1,766                138.0000 AUD
Purchase      889                  138.0000 AUD
Purchase      7,102                138.0138 AUD
Purchase      20,000               137.9862 AUD
Purchase      2,694                138.0276 AUD
Purchase      7,102                138.0138 AUD
Purchase      44                   138.0000 AUD
Purchase      112                  144.3700 AUD
Purchase      2,426                138.0000 AUD
Purchase      123                  138.0000 AUD
Purchase      43                   138.0000 AUD
Purchase      2,542                138.0000 AUD
Sale          81                   138.1490 AUD
Sale          43                   138.0000 AUD
Sale          14                   139.5062 AUD
Sale          20,000               137.9862 AUD
Sale          3,147                139.5062 AUD
Sale          17,834               138.1490 AUD
Sale          3,916                138.0000 AUD
Sale          4,680                139.5062 AUD
Sale          26,520               138.1490 AUD
Sale          2,426                138.0000 AUD
Sale          603                  139.5062 AUD
Sale          4,528                138.1490 AUD
Sale          3,294                138.1490 AUD
Sale          20,000               137.9862 AUD
Sale          7,102                138.0138 AUD
Sale          1,832                138.0000 AUD
Sale          3,419                138.1490 AUD
Sale          581                  139.5062 AUD
Sale          1,766                138.0000 AUD
Sale          29                   138.0000 AUD
Sale          182                  138.0000 AUD
Sale          238                  138.1490 AUD
Sale          42                   139.5062 AUD
Sale          798                  139.5062 AUD
Sale          6,431                138.1490 AUD
Sale          166                  138.0294 AUD
Sale          242                  138.0294 AUD
Sale          558                  138.0294 AUD
Sale          487                  138.0294 AUD
Sale          1,388                138.0294 AUD
Sale          257                  138.0276 AUD
Sale          1,973                138.0000 AUD
Sale          14                   139.5062 AUD
Sale          83                   138.1490 AUD
Sale          44                   138.0000 AUD
Sale          53                   138.0000 AUD
Sale          639                  138.0000 AUD
Sale          1,134                139.5062 AUD
Sale          37                   139.5062 AUD
Sale          436                  138.0294 AUD
Sale          9                    139.5062 AUD
Sale          75                   138.1490 AUD
Sale          13                   139.5062 AUD
Sale          40                   138.0000 AUD
Sale          215                  138.1490 AUD
Sale          889                  138.0000 AUD
Sale          220                  138.0000 AUD
Sale          1,919                138.0000 AUD
Sale          97                   138.1490 AUD
Sale          37                   138.0000 AUD
Sale          16                   139.5062 AUD
Sale          14                   138.0000 AUD
Sale          213                  138.0000 AUD
Sale          54                   138.1490 AUD
Sale          44,034               140.2510 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          44034         140.2509
CFD            Short         2694          138.0275

(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                         02 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