EPT Disclosure-Amendment

22nd Feb 2008 11:44

Morgan Stanley Securities Limited22 February 2008 AMENDMENT TO ANNOUNCEMENT 1126O RELEASED AT 12:34 ON 15 FEBRUARY 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 12 February 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 2,033,908 15.5500 14.9200 Total number of securities sold Highest price received (Note 3) GBP Lowest price received (Note 3) GBP 2,890,499 15.5500 14.9200 (b) Derivatives transactions (other than options) Product name, Long/short (Note 4) Number of securities (Note 5) Price per unit (Note 3) GBPe.g. CFD CFD LONG 19,484 15.5500CFD SHORT 35,392 15.3434CFD SHORT 135 15.5500CFD SHORT 206,280 15.5500CFD LONG 117,143 14.8884CFD LONG 20,999 14.8884CFD LONG 86,673 14.8884CFD LONG 186,935 14.8884CFD LONG 1,234 15.0674CFD LONG 300 15.1322CFD LONG 26,200 15.2699CFD LONG 28,900 15.2699CFD LONG 261,525 15.3275CFD LONG 88,661 15.4099CFD LONG 52,739 15.4099CFD LONG 925 15.4837CFD LONG 76 15.4837CFD LONG 19,900 15.5476CFD LONG 500,000 15.5500CFD SHORT 86,673 14.8884CFD SHORT 117,143 14.8884CFD SHORT 20,999 14.8884CFD SHORT 186,935 14.8884CFD SHORT 49,800 15.0686CFD SHORT 340,000 15.1601CFD SHORT 1,234 15.2089CFD SHORT 4,220 15.2444CFD SHORT 2,514 15.2444CFD SHORT 33,142 15.2800CFD SHORT 285,064 15.2800CFD SHORT 50,031 15.2800CFD SHORT 26,185 15.2998CFD SHORT 23,743 15.3096CFD SHORT 37,065 15.3371CFD SHORT 20,700 15.3948CFD SHORT 178,051 15.3948CFD SHORT 31,249 15.3948CFD SHORT 1,689 15.4994CFD SHORT 138 15.4994CFD LONG 283,772 15.5500CFD SHORT 283,772 15.5500 (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 price American, date paid/received pere.g. call option varying etc. relates (Note 5) European etc. 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) ZAR 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 persondisclosing and any other person relating to the voting rights of any relevantsecurities under any option referred to on this form or relating to the votingrights or future acquisition or disposal of any relevant securities to which anyderivative referred to on this form is referenced. If none, this should bestated. NONE Date of disclosure 22 February 2008 Contact name Zafrhan Fahmy Telephone number 020 7677 1871 Name of offeree/offeror with which connected Rio Tinto Plc Nature 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