EPT Disclosure - Amendment

7th May 2008 12:08

Morgan Stanley Securities Limited07 May 2008 AMENDMENT TO ANNOUNCEMENT 6659T RELEASED AT 11:34 ON 02 MAY 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 01 May 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 1,832,231 18.7700 17.8600 Total number of securities sold Highest price received (Note 3) GBP Lowest price received (Note 3) GBP 1,415,206 18.8000 17.8500 (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 49,982 18.1773CFD SHORT 88,108 18.3180CFD LONG 236,173 14.6180CFD LONG 13,827 14.6180CFD LONG 37,111 18.1519CFD LONG 4,893 18.1519CFD LONG 50,000 18.2027CFD LONG 510 18.3372CFD LONG 40,000 18.4782CFD LONG 272 18.4942CFD LONG 3,237 18.4942CFD LONG 250,000 18.5921CFD LONG 8,000 18.6249CFD LONG 64 18.7992CFD SHORT 236,173 14.6180CFD SHORT 13,827 14.6180CFD SHORT 16,000 17.8771CFD SHORT 100 17.9020CFD SHORT 2,659 17.9342CFD SHORT 225 17.9342CFD SHORT 40,000 17.9990CFD SHORT 75,000 18.0114CFD SHORT 1,624 18.0114CFD SHORT 69,329 18.0122CFD SHORT 130,000 18.2236CFD SHORT 7,500 18.2251CFD SHORT 196,736 18.2258CFD SHORT 60,000 18.2508CFD SHORT 87,300 18.3295CFD SHORT 4,330 18.3311CFD SHORT 200,000 18.3311CFD SHORT 1,356 18.3882CFD SHORT 500 18.4340CFD SHORT 3,554 18.4830CFD SHORT 650 18.5911CFD SHORT 1,114 18.6404CFD LONG 9 18.4122CFD LONG 213 18.1077CFD LONG 247 18.1077CFD LONG 317 18.4122CFD LONG 762 18.4122CFD LONG 939 18.4122CFD LONG 1,088 18.1077CFD LONG 1,249 18.1077CFD LONG 1,387 18.4122CFD LONG 4,934 18.4122CFD LONG 6,376 18.4122CFD LONG 7,676 18.4122CFD LONG 8,637 18.1077CFD LONG 10,966 18.1077 (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 07 May 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