Rule 8.1 - Rio Tinto

18th Sep 2008 12:37

FORM 8.1 DEALINGS BY OFFERORS, OFFEREE COMPANIES OR THEIR ASSOCIATES FOR THEMSELVES OR FOR DISCRETIONARY CLIENTS (Rules 8.1(a) and (b)(i) of the City Code on Takeovers and Mergers) 1. KEY INFORMATION \* TName of person dealing (Note 1) ABN AMRO BANK N.V. London Branch (Subsidiary of RFS Holding N.V.)------------------------------------------ ---------------------------------------------------------------Company dealt in BHP Billiton Limited------------------------------------------ ---------------------------------------------------------------Class of relevant security to which the ADR (1:2) dealings being disclosed relate (Note 2)------------------------------------------ ---------------------------------------------------------------Date of dealing 17 September 2008------------------------------------------ ---------------------------------------------------------------\* T 2. INTERESTS, SHORT POSITIONS AND RIGHTS TO SUBSCRIBE (a) Interests and short positions (following dealing) in the class of relevantsecurity dealt in (Note 3) \* TClass of relevant security: Long Short------------------------------------------ ------------------------------ -------------------------------- Number (%) Number (%)------------------------------------------ ------------------------------ --------------------------------(1) Relevant securities 0 (0.%) 22,399 (0.0013%)------------------------------------------ ------------------------------ --------------------------------(2) Derivatives (other than options) 0 (0%) 0 (0%)------------------------------------------ ------------------------------ --------------------------------(3) Options and agreements to purchase/sell 0 (0%) 0 (0%)------------------------------------------ ------------------------------ --------------------------------Total 0 (0%) 22,399 (0.0013%)------------------------------------------ ------------------------------ --------------------------------\* T (b) Interests and short positions in relevant securities of the company, otherthan the class dealt in (Note 3) \* T Class of relevant security: Long Short-------------------------------------------------------------------------------------------------------- Number (%) Number (%)--------------------------------------------------------------------------------------------------------(1) Relevant securities--------------------------------------------------------------------------------------------------------(2) Derivatives (other than options)--------------------------------------------------------------------------------------------------------(3) Options and agreements to purchase/sell--------------------------------------------------------------------------------------------------------Total--------------------------------------------------------------------------------------------------------\* T (c) Rights to subscribe (Note 3) \* TClass of relevant security: Details---------------------------------------------------------------------------------------------------------\* T 3. DEALINGS (Note 4) (a) Purchases and sales \* TPurchase/sale Number of securities Price per unit (Note 5)----------------------------------- ---------------------------------- ------------------------------------Sale 5,900 54.6000 USD----------------------------------- ---------------------------------- ------------------------------------\* T (b) Derivatives transactions (other than options) \* TProduct name, Long/short (Note 6) Number of securities (Note 7) Price per unit (Note 5)e.g. CFD--------------------------------------------------------------------------------------------------------\* T (c) Options transactions in respect of existing securities (i) Writing, selling, purchasing or varying \* TProduct name, Writing, Number of Exercise Type, e.g. Expiry Option moneye.g. call option selling, securities to price American, date paid/received purchasing, which the option European per unit varying etc. relates (Note 7) etc. (Note 5)--------------------------------------------------------------------------------------------------------\* T (ii) Exercising \* TProduct name, e.g. call option Number of securities Exercise price per unit (Note 5)---------------------------------------------------------------------------------------------------------\* T (d) Other dealings (including new securities) (Note 4) \* TNature of transaction (Note 8) Details Price per unit (if applicable) (Note 5)---------------------------------------------------------------------------------------------------------\* T 4. OTHER INFORMATION Agreements, arrangements or understandings relating to options or derivatives \* TFull 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.--------------------------------------------------------------------------------------------------------- None---------------------------------------------------------------------------------------------------------\* T Is a Supplemental Form 8 attached? (Note 9) YES/NO \* TDate of disclosure 18 September 2008------------------------------------------------------------ ---------------------------------------------Contact name Antonio Gagliostro------------------------------------------------------------ ---------------------------------------------Telephone number (020) 7678 5898------------------------------------------------------------ ---------------------------------------------Name of offeree/offeror with which associated Rio Tinto------------------------------------------------------------ ---------------------------------------------Specify category and nature of associate status (Note 10) Advisor------------------------------------------------------------ ---------------------------------------------\* T Notes: The Notes on Form 8.1 can be viewed on the Takeover Panel's website atwww.thetakeoverpanel.org.uk Copyright Business Wire 2008

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