Rule 8.3 - RIO TINTO LTD

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               04 February 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      14,893,708      3.26%    1,308,477       0.29%
securities
(2) Derivatives       45,745      0.01%        5,945       0.00%
(other than
options)
(3) Options and            0      0.00%            0       0.00%
agreements to
purchase/sell
Total             14,939,453      3.27%     1,314,422      0.29%


(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      3,401                130.8100 AUD
Purchase      15,915               130.0763 AUD
Purchase      3,592                130.8100 AUD
Purchase      370                  124.4900 AUD
Purchase      6,900                127.9819 AUD
Sale          191                  130.1454 AUD
Sale          182                  130.1454 AUD
Sale          144                  130.1455 AUD
Sale          99                   130.8100 AUD
Sale          192                  130.1455 AUD
Sale          274                  130.1455 AUD
Sale          124                  130.8100 AUD
Sale          150                  130.1454 AUD
Sale          77                   130.8100 AUD
Sale          147                  130.1454 AUD
Sale          94                   130.8100 AUD
Sale          259                  130.8100 AUD
Sale          2,239                130.1454 AUD
Sale          117                  130.8100 AUD
Sale          269                  130.8100 AUD
Sale          501                  130.1455 AUD
Sale          227                  130.1455 AUD
Sale          75                   130.8100 AUD
Sale          141                  130.8100 AUD
Sale          218                  130.8100 AUD
Sale          15,915               130.0763 AUD
Sale          438                  130.1455 AUD
Sale          28,865               130.7374 AUD
Sale          2,221                130.8100 AUD
Sale          4,238                130.1454 AUD
Sale          632                  130.1454 AUD
Sale          338                  130.1455 AUD
Sale          88                   130.8100 AUD
Sale          620                  130.8100 AUD
Sale          74                   130.8100 AUD
Sale          98                   130.8100 AUD
Sale          170                  130.1454 AUD
Sale          241                  130.1454 AUD
Sale          1,194                130.1455 AUD
Sale          422                  130.1454 AUD
Sale          314                  130.8100 AUD
Sale          227                  130.8100 AUD
Sale          411                  130.1455 AUD
Sale          213                  130.8100 AUD
Sale          607                  130.1455 AUD
Sale          520                  130.1455 AUD
Sale          467                  128.1100 AUD
Sale          175                  130.8100 AUD
Sale          327                  130.8100 AUD
Sale          1,163                130.8100 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         6900          127.9818
CFD            Long          28865         130.7374

(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                         05 February 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