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               12 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      14,700,435     3.22%        198,771     0.04%
securities
(2) Derivatives        7,240     0.00%         14,756     0.00%
(other than
options)
(3) Options and            0      0.00%             0     0.00%
agreements to
purchase/sell
Total             14,707,675      3.22%       213,527     0.05%

(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      3,713                128.8316 AUD
Purchase      15,957               129.8930 AUD
Purchase      15,957               129.8930 AUD
Purchase      857                  128.3700 AUD
Purchase      5,238                128.3700 AUD
Purchase      437                  128.3700 AUD
Purchase      722                  128.3700 AUD
Purchase      1,011                128.8998 AUD
Purchase      48,342               128.4702 AUD
Sale          228                  128.6078 AUD
Sale          3,713                128.8316 AUD
Sale          3,713                128.8316 AUD
Sale          308                  128.3700 AUD
Sale          1,011                128.4565 AUD
Sale          1,092                128.6078 AUD
Sale          7,600                127.9753 AUD
Sale          40,782               128.4680 AUD
Sale          7,560                128.4821 AUD
Sale          15,957               129.8930 AUD
Sale          234                  128.6077 AUD
Sale          1,475                128.3700 AUD
Sale          1,250                128.6077 AUD
Sale          502                  128.3700 AUD
Sale          372                  128.6077 AUD
Sale          189                  128.6077 AUD
Sale          255                  128.3700 AUD
Sale          1,148                128.6077 AUD
Sale          1,551                128.3700 AUD
Sale          856                  128.6078 AUD
Sale          1,156                128.3700 AUD
Sale          463                  129.8800 AUD
Sale          1,692                128.3700 AUD
Sale          315                  128.3700 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          7600          127.9752
CFD            Long          1011          128.4564
CFD            Short         1011          128.8997

(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                         13 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