EPT Disclosure

13th Mar 2008 12:07

Morgan Stanley Securities Limited13 March 2008 AMENDMENT TO ANNOUNCEMENT 9350P RELEASED AT 12:04 ON 12 MARCH 2008 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 11 March 2008 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 3,108,803 15.2200 14.6400 Total number of securities sold Highest price received (Note 3) GBP Lowest price received (Note 3) GBP 3,293,328 15.2200 14.6600 (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 46,666 14.9000CFD LONG 13,848 14.9000CFD SHORT 14,052 14.8480CFD SHORT 2,829 14.8480CFD SHORT 19,793 14.9000CFD SHORT 20,990 14.9000CFD LONG 340,000 14.6974CFD LONG 40,000 14.7229CFD LONG 115,000 14.8002CFD LONG 2,048 14.8966CFD LONG 203,533 14.8981CFD LONG 11,433 14.8981CFD LONG 1,030 14.9155CFD LONG 146,097 15.0001CFD LONG 3,563 15.0242CFD LONG 279,369 15.0857CFD LONG 50,000 15.0939CFD LONG 8,770 15.0996CFD LONG 136 15.1448CFD LONG 330 15.1448CFD LONG 2,710 15.1448CFD LONG 1,118 15.1448CFD SHORT 1,025 14.6626CFD SHORT 5 14.7444CFD SHORT 26,000 14.7602CFD SHORT 4,000 14.7602CFD SHORT 4,000 14.7602CFD SHORT 11,000 14.7611CFD SHORT 1,739 14.8018CFD SHORT 602 14.8018CFD SHORT 842 14.8018CFD SHORT 1,053 14.8018CFD SHORT 2,429 14.8018CFD SHORT 979 14.8018CFD SHORT 1,920 14.8018CFD SHORT 7,362 14.8018CFD SHORT 16,874 14.8018CFD SHORT 150,000 14.8787CFD SHORT 100,000 14.8953CFD SHORT 5,900 14.9000CFD SHORT 20,559 14.9014CFD SHORT 230,000 14.9023CFD SHORT 20,087 14.9257CFD SHORT 186 14.9306CFD SHORT 5,066 14.9306CFD SHORT 516 14.9306CFD SHORT 618 14.9306CFD SHORT 4,242 14.9306CFD SHORT 1,532 14.9306CFD SHORT 11,433 14.9651CFD SHORT 310,000 15.0300CFD SHORT 124 15.0595CFD SHORT 27,349 15.0984CFD SHORT 15,945 15.0984CFD SHORT 6,143 15.1247CFD SHORT 5,500 15.0124CFD SHORT 650 15.0124 (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) GBPN/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) GBP 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. NONE Date of disclosure 13 March 2008 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