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 November 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      12,808,959     2.80%        309,283     0.07%
securities
(2) Derivatives       19,897     0.00%            689     0.00%
(other than
options)
(3) Options and            0     0.00%              0     0.00%
agreements to
purchase/sell
Total             12,828,856     2.81%        309,972     0.07%

(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      22                   80.0200 AUD
Purchase      517                  79.8888 AUD
Purchase      22,437               79.8719 AUD
Purchase      22,437               79.8719 AUD
Purchase      8,613                82.0000 AUD
Purchase      15,312               82.0000 AUD
Purchase      45                   82.0000 AUD
Purchase      33                   80.0200 AUD
Purchase      8,915                81.3438 AUD
Purchase      423                  79.8460 AUD
Purchase      128                  80.0200 AUD
Purchase      8                    80.0200 AUD
Purchase      157                  79.8460 AUD
Purchase      11                   80.0200 AUD
Purchase      228                  79.8460 AUD
Purchase      326                  75.8800 AUD
Purchase      466                  82.0000 AUD
Purchase      233                  82.0000 AUD
Purchase      573                  82.0000 AUD
Purchase      2,375                79.8459 AUD
Purchase      643                  79.8459 AUD
Sale          15                   80.0200 AUD
Sale          187                  80.0200 AUD
Sale          22,437               79.8719 AUD
Sale          8,915                81.3438 AUD
Sale          8,915                81.3438 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         517           79.8887

(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                         04 November 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