EPT Disclosure

30th Nov 2007 12:14

Morgan Stanley Securities Ld(EPT)30 November 2007 AMENDMENT TO ANNOUNCEMENT 3259I RELEASED AT 15:27 ON 22 NOVEMBER 2007 DEALINGS BY CONNECTED EXEMPT PRINCIPAL TRADERS WITH RECOGNISED INTERMEDIARY STATUS DEALING IN A CLIENT-SERVING CAPACITY (Rule 38.5(a) of the Takeover Code) 1. KEY INFORMATION Name of exempt principal trader Morgan Stanley Securities Limited Company dealt in BHP Billiton Plc Class of relevant security to which the Ordinary Sharesdealings being disclosed relate (Note 1) Date of dealing 20 November 2007 2. DEALINGS (Note 2) (a) Purchases and sales Total number of securities purchased Highest price paid (Note 3) GBP Lowest price paid (Note 3) GBP 3,559,388 15.1927 14.7300 Total number of securities sold Highest price received (Note 3) GBP Lowest price received (Note 3) GBP 3,571,733 14.9857 14.7500 (b) Derivatives transactions (other than options) Product name, Long/short (Note 4) Number of securities (Note 5) Price per unit (Note 3) GBP e.g. CFDCFD LONG 270,953 15.0741CFD LONG 239,869 15.1900CFD SHORT 51,885 15.5600CFD LONG 285,000 14.8999CFD LONG 15,974 15.2851CFD LONG 65,994 15.2950CFD LONG 9,573 15.2950CFD LONG 991 15.2950CFD LONG 465 15.3854CFD LONG 420,000 15.4817CFD LONG 13,822 15.5080CFD LONG 1,287 15.5080CFD LONG 2,017 15.5080CFD LONG 142 15.5080CFD LONG 32,398 15.5436CFD LONG 89,485 15.5436CFD LONG 500,000 15.5600CFD LONG 18,000 15.6572CFD LONG 600,000 31.5000 USDCFD SHORT 69,814 14.8848CFD SHORT 153,000 14.9494CFD SHORT 60,000 15.0100CFD SHORT 14,000 15.1134CFD SHORT 9,796 15.1288CFD SHORT 2,338 15.1288CFD SHORT 17,215 15.1288CFD SHORT 9,431 15.1615CFD SHORT 184 15.1615CFD SHORT 1,287 15.1615CFD SHORT 64,707 15.1615CFD SHORT 1,287 15.1615CFD SHORT 102,936 15.1712CFD SHORT 7,664 15.1712CFD SHORT 11,242 15.1827CFD SHORT 11,832 15.2079CFD SHORT 365,000 15.2729CFD SHORT 24,640 15.2740CFD SHORT 25,000 15.2998CFD SHORT 113 15.3146CFD SHORT 17,118 15.4084CFD SHORT 117,920 15.4084CFD SHORT 4,962 15.4084CFD SHORT 7,124 15.4662CFD SHORT 92,876 15.4662CFD SHORT 352 15.5647CFD SHORT 8 15.2779CFD SHORT 129 15.1268CFD SHORT 1,331 15.1268CFD LONG 15,500 15.5293CFD LONG 20,000 15.5722CFD LONG 20,000 15.5722CFD SHORT 20,000 15.0424CFD SHORT 20,000 15.0424CFD LONG 35,000 15.2827CFD SHORT 57,153 15.5691CFD SHORT 107,619 15.1833CFD SHORT 182,381 15.1833CFD SHORT 745,057 15.5691 (c) Options transactions in respect of existing securities (i) Writing, selling, purchasing or varying Product name, Writing, selling, Number of securities Exercise Type, e.g. Expiry Option money purchasing, to which the option American,e.g. call option varying etc. relates (Note 5) price European etc. date paid/received per unit (Note 3) N/A N/A N/A N/A N/A N/A N/A (ii) Exercising Product name, e.g. call option Number of securities Exercise price per unit (Note 3) N/A N/A N/A 3. OTHER INFORMATION 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 relatingto the voting rights of any relevant securities under any option referred to on this form or relating to the votingrights or future acquisition or disposal of any relevant securities to which any derivative referred to on this form isreferenced. If none, this should be stated. Date of disclosure 30 November 2007 Contact name Zafrhan Fahmy Telephone number 020 7677 1871 Name of offeree/offeror with which connected Rio Tinto PlcNature of connection (Note 6) Advisor Notes The Notes on Form 38.5(a) can be viewed on the Takeover Panel's website atwww.thetakeoverpanel.org.uk This information is provided by RNS The company news service from the London Stock Exchange

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BHP Group