Rule 8.3 - BHP BILLITON PLC

On previous Rule 8.3 reports for this issuer, nominee interests have been included. We are now advised that such interests should not be included and the figures shown below reflect the revised calculations. FORM 8.3 DEALINGS BY PERSONS WITH INTERESTS IN SECURITIES REPRESENTING 1% OR MORE (Rule 8.3 of the City Code on Takeovers and Mergers) 1. KEY INFORMATION Name of person dealing BARCLAYS PLC (Note 1) Company dealt in BHP BILLITON PLC Class of relevant security USD0.50 to which the dealings being disclosed relate (Note 2) Date of dealing 07 December 2007 2. INTERESTS, SHORT POSITIONS AND RIGHTS TO SUBSCRIBE (a) Interests and short positions (following dealing) in the class of relevant security dealt in (Note 3) Long Short Number (%) Number (%) (1) Relevant 111,076,991 5.02% 8,299,141 0.38% securities (2) Derivatives 6,578,774 0.30% 1,519,770 0.07% (other than options) (3) Options and 1,289,750 0.06% 1,757,675 0.08% agreements to purchase/sell Total 118,945,515 5.38% 11,576,586 0.52% (b) Interests and short positions in relevant securities of the company, other than the class dealt in (Note 3) Class of Long Short relevant security: Number (%) Number (%) (1) Relevant securities (2) Derivatives (other than options) (3) Options and agreements to purchase/sell Total (c) Rights to subscribe (Note 3) Class of relevant security: Details 3. DEALINGS (Note 4) (a) Purchases and sales Purchase/sale Number of Securities Price per unit (GBP) Purchase 2,474 16.5094 Purchase 189 16.4754 Purchase 118,718 16.6485 Purchase 56,373 16.6419 Purchase 134,754 16.5960 Purchase 80,995 16.4937 Purchase 1,700 16.5927 Purchase 13,865 16.7600 Purchase 16,502 16.4565 Purchase 82 Transfer Purchase 2,707 16.6086 Purchase 268 16.4677 Purchase 45,600 16.6524 Purchase 218,333 16.6173 Purchase 103,367 16.6631 Purchase 2,474 16.5135 Purchase 41,480 16.7600 Purchase 103,215 16.6494 Purchase 82,866 16.5456 Purchase 74,007 16.7600 Purchase 3,620 16.7600 Purchase 8,386 16.7600 Purchase 479,160 16.6260 Purchase 16,502 16.4533 Purchase 13,452 16.5928 Purchase 1,700 16.5927 Purchase 127,759 15.6300 Purchase 1,000 16.6825 Sale 158,595 16.6368 Sale 300 16.4625 Sale 2,207 16.7568 Sale 9,205 16.7600 Sale 450 16.5223 Sale 33,269 16.7439 Sale 400 16.4423 Sale 392,146 16.6478 Sale 100 16.5237 Sale 2,522 16.6623 Sale 479,160 16.6261 Sale 5,814 16.6185 Sale 750 16.4423 Sale 200 16.5112 Sale 183 16.6423 Sale 460 16.5223 Sale 5,826 16.6556 Sale 4,687 16.4900 Sale 21,877 16.5561 Sale 160 16.5112 Sale 12,552 16.6114 Sale 2,474 16.5094 Sale 1,700 16.5927 Sale 4,190 16.8132 Sale 60,828 16.4596 Sale 1,384 16.5545 Sale 576 16.5850 Sale 11,627 16.4900 Sale 426 16.6252 Sale 276 Transfer Sale 155,181 16.7600 Sale 16,502 16.4533 Sale 82,327 16.5300 Sale 128,233 16.6137 (b) Derivatives transactions (other than options) Product Name Long/Short Number Of Securities Price Per Unit CFD Short 16502 16.4564 CFD Short 4678 16.468 CFD Short 82866 16.5456 CFD Short 15152 16.5927 CFD Short 134754 16.5959 CFD Short 218333 16.6172 CFD Short 118718 16.6484 CFD Short 103215 16.6494 CFD Short 45600 16.6523 CFD Short 51695 16.6576 CFD Short 1000 16.6825 CFD Long 1384 16.5544 CFD Long 21877 16.556 CFD Long 3124 16.5632 CFD Long 12552 16.6113 CFD Long 128233 16.6137 CFD Long 158595 16.6367 CFD Long 2522 16.6622 CFD Long 33269 16.7438 CFD Long 2207 16.7568 CFD Long 2702 16.7624 (c) Options transactions in respect of existing securities (i) Writing, selling, purchasing or varying Product name, Writing, Number of Exercise Type, e.g. Expiry Option money e.g. call selling, securities to price American, date paid/received option purchasing, which the option European etc. per unit (GBP) varying etc. relates (GBP) (ii) Exercising Product name, e.g. Number of Exercise price per call option securities unit (Note 5) (d) Other dealings (including new securities) (Note 4) Nature of transaction Details Price per unit (Note 8) (if applicable) (Note 5) 4. OTHER INFORMATION None 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 relating to the voting rights of any relevant securities under any option referred to on this form or relating to the voting rights or future acquisition or disposal of any relevant securities to which any derivative referred to on this form is referenced. If none, this should be stated. Is a Supplemental Form 8 attached? (Note 9) YES Date of disclosure 10 December 2007 Contact name Geoff Smith Telephone number 020 7116 2913 If a connected EFM, name of offeree/offeror with which connected If a connected EFM, state nature of connection (Note 10) Notes The Notes on Form 8.3 can be viewed on the Takeover Panel's website at www.thetakeoverpanel.org.uk SUPPLEMENTAL FORM 8 DETAILS OF OPEN POSITIONS (This form should be attached to Form 8.1, Form 8.1(b)(ii) or Form 8.3, as appropriate) OPEN POSITIONS (Note 1) Product name, Written or Number of securities Exercise price Type, e.g. Expiry date e.g. call option purchased to which the option (Note 2) American, or derivative relates European etc. Option Purchased 350 1,550.0000 EURO 21/12/2007 Option Purchased -500,000 9.5000 EURO 19/12/2008 Option Purchased -250,000 16.0000 AMER 19/09/2008 Option Purchased -1,775 1,600.0000 EURO 20/06/2008 Option Purchased -1,250 1,200.0000 EURO 21/12/2007 Option Purchased -1,000 1,100.0000 EURO 21/12/2007 Option Purchased -1,000 1,500.0000 EURO 19/12/2008 Option Purchased -650 1,900.0000 EURO 21/12/2007 Option Purchased -500 950.0000 EURO 19/12/2008 Option Purchased -500 950.0000 EURO 19/12/2008 Option Purchased -500 1,400.0000 EURO 21/12/2007 Option Purchased -1,000,000 15.0000 AMER 21/12/2007 Option Purchased 250 1,700.0000 EURO 19/12/2008 Option Purchased 500,000 9.5000 EURO 19/12/2008 Option Purchased 450 1,400.0000 EURO 20/03/2008 Option Purchased 500 1,300.0000 EURO 21/12/2007 Option Purchased 500 1,400.0000 EURO 21/12/2007 Option Purchased 500 1,600.0000 EURO 21/12/2007 Option Purchased 500 1,500.0000 EURO 21/12/2007 Option Purchased 700 1,400.0000 EURO 20/03/2008 Option Purchased 1,000 2,000.0000 EURO 21/12/2007 Option Purchased 250,000 14.0000 AMER 20/06/2008 Option Purchased 250,000 14.0000 AMER 20/06/2008 Option Purchased 285,000 15.9000 AMER 21/12/2007 Option Purchased -500 1,600.0000 EURO 21/12/2007 Where there are open option positions or open derivative positions (except for CFDs), full details should be given. Full details of any existing agreements to purchase or to sell should also be given on this form. 2. For all prices and other monetary amounts, the currency must be stated. For details of the Code's dealing disclosure requirements, see Rule 8 and its Notes which can be viewed on the Takeover Panel's website at www.thetakeoverpanel.org.uk

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