EPT Disclosure

1st May 2008 09:24

RMB Morgan Stanley Limited01 May 2008 DEALINGS BY CONNECTED EXEMPT PRINCIPAL TRADERS WITHOUT RECOGNISED INTERMEDIARY STATUS, OR WITH RI STATUS BUT NOT DEALING IN A CLIENT-SERVING CAPACITY (Rule 38.5(b) of the Takeover Code) 1. KEY INFORMATION Name of exempt principal trader RMB Morgan Stanley Limited Company dealt in BHP Billiton Plc Class of relevant security to which the Ordinary Sharesdealings being disclosed relate (Note 1) Date of dealing 30 April 2008 2. INTERESTS, SHORT POSITIONS AND RIGHTS TO SUBSCRIBE (a) Interests and short positions (following dealing) in the class ofrelevant security dealt in (Note 2) Long Short Number (%) Number (%) (1) Relevant securities 1,561,408 (0.07%) 0 (0.00%) (2) Derivatives (other than options) N/A N/A (3) Options and agreements to purchase/sell N/A N/A Total 1,561,408 (0.07%) 0 (0.00%) (b) Interests and short positions in relevant securities of the company,other than the class dealt in (Note 2) Class of relevant security: Long Short Number (%) Number (%) (1) Relevant securities N/A N/A (2) Derivatives (other than options) N/A N/A (3) Options and agreements to purchase/sell N/A N/A Total N/A N/A (c) Rights to subscribe (Note 2) Class of relevant security: Details N/A N/A 3. DEALINGS (Note 3) (a) Purchases and sales Purchase/sale Number of securities Price per unit (Note 4) ZAR PURCHASE 2,983 265.9300PURCHASE 1,313 265.9400PURCHASE 216 265.9600PURCHASE 5,000 265.9600PURCHASE 777 265.9700PURCHASE 4,839 265.9800PURCHASE 5,000 265.9900PURCHASE 900 265.9900PURCHASE 4,100 265.9900PURCHASE 4,900 265.9900PURCHASE 2,409 266.0000PURCHASE 2,591 266.0000PURCHASE 2,000 266.0000PURCHASE 1,223 266.0000PURCHASE 1,000 266.0000PURCHASE 500 266.0000PURCHASE 2,000 266.0000PURCHASE 2,000 266.0000PURCHASE 702 266.0000PURCHASE 2,500 266.0000PURCHASE 5,000 266.0000PURCHASE 2,017 266.0000PURCHASE 985 266.0000PURCHASE 161 266.0000PURCHASE 839 266.0000PURCHASE 1,500 266.0000PURCHASE 1,784 266.0000PURCHASE 2,377 266.0000PURCHASE 1,500 266.0000PURCHASE 3,284 266.0000PURCHASE 3,500 266.0000PURCHASE 100 266.0000PURCHASE 2,000 267.3675PURCHASE 100,000 271.0000PURCHASE 2,766 271.1500SALE 70,000 265.9900SALE 2,000 267.5814SALE 1,500 271.0000SALE 195 271.0000SALE 2,285 271.0000SALE 2,863 271.0000SALE 3,352 271.0000SALE 100 271.0000SALE 200 271.0000SALE 3,000 271.0000SALE 12 271.0000SALE 554 271.0000SALE 5,939 271.0000SALE 2,304 271.0000SALE 696 271.0000SALE 4,000 271.0000SALE 304 271.0000SALE 6,000 271.0000SALE 2,696 271.0000SALE 3,304 271.0000SALE 1,696 271.0000SALE 6,084 271.0000SALE 4,000 271.0000SALE 2,368 271.0000SALE 632 271.0000SALE 360 271.0000SALE 4,871 271.0000SALE 3,854 271.0000SALE 8,108 271.0000SALE 272 271.0000SALE 3,455 271.0000SALE 3,352 271.0000SALE 1,950 271.0100SALE 9,000 271.0300SALE 6,000 271.0600SALE 2,548 271.1800SALE 2,146 271.2100SALE 2,766 271.3700SALE 3,500 285.9200 NUMBER OF BUYS HIGH PRICE LOW PRICE174,766 271.1500 265.9300TOTAL NUMBER OF SELLS HIGH PRICE LOW PRICE178,266 285.9200 265.9900 (b) Derivatives transactions (other than options) Product name, Long/short (Note 5) Number of securities (Note 6) Price per unit (Note 4) ZARe.g. CFD CFD LONG 2,766 271.3700CFD LONG 2,000 267.5800CFD LONG 70,000 265.9900CFD SHORT 100,000 271.0000FUTURE PURCHASE 2,000 267.2000FUTURE SALE 3,000 266.9000 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 Is a Supplemental Form 38.5(b) attached? (Note 8) NO Date of disclosure 01 May 2008 Contact name Zafrhan Fahmy Telephone number 020 7677 1871 Name of offeree/offeror with which connected Rio Tinto Plc Nature of connection (Note 9) Advisor Notes The Notes on Form 38.5(b) 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