Rule 8.3 - BHP BILLITON PLC

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 04 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 103,429,422 4.67% 9,217,813 0.42% securities (2) Derivatives 22,656,145 1.02% 16,573,339 0.75% (other than options) (3) Options and 1,289,750 0.06% 1,757,675 0.08% agreements to purchase/sell Total 127,375,317 5.75% 27,548,827 1.24% (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 202,344 15.6600 Purchase 200 15.6088 Purchase 13,265 15.7236 Purchase 3,557 15.7981 Purchase 358 15.5567 Purchase 200 15.5475 Purchase 15,671 15.6666 Purchase 23,526 15.8095 Purchase 8,395 15.7243 Purchase 700 15.6674 Purchase 96,130 15.8215 Purchase 200 15.5475 Purchase 103 Transfer Purchase 13,598 15.9200 Purchase 200 15.5475 Purchase 350 15.5475 Purchase 9,640 15.7732 Purchase 200 15.6088 Purchase 500 15.5475 Purchase 13,000 15.7600 Purchase 364,834 15.6498 Purchase 21,424 15.6300 Purchase 41,480 15.6300 Purchase 8,385 15.6392 Purchase 903 15.6300 Purchase 500 15.6600 Purchase 300 15.7888 Purchase 10,200 15.6445 Purchase 200 15.7492 Purchase 358 15.5567 Purchase 600 15.5877 Purchase 4,828 15.5750 Purchase 113,192 15.5936 Purchase 556 15.7400 Purchase 58,297 15.6296 Purchase 2,870 15.8536 Purchase 687 15.6600 Sale 129 15.7469 Sale 750 15.6523 Sale 202,344 15.6600 Sale 10,725 15.6676 Sale 200 15.7315 Sale 700 15.6674 Sale 700 15.6674 Sale 358 15.5567 Sale 949,035 15.6787 Sale 52,371 15.6183 Sale 9,640 15.7732 Sale 267 15.8023 Sale 10,829 15.7323 Sale 103 Transfer Sale 52,619 15.7275 Sale 13,000 15.7570 Sale 670 15.6455 Sale 368,673 15.6356 Sale 2,870 15.8536 Sale 9,640 15.7773 Sale 35,226 15.5970 Sale 216 15.6300 Sale 215 15.8606 Sale 202,344 15.6600 Sale 3,152 16.0700 Sale 13,598 15.9200 Sale 20,859 15.6916 Sale 687 15.6600 Sale 280 15.8823 Sale 10,772 15.7543 Sale 67,115 16.1800 Sale 13,000 15.7600 Sale 5,472 15.7078 Sale 500 15.6600 Sale 903 15.6300 Product name, Long/Short Number of Price per (e.g. CFD) (Note 6) Securities unit (GBP) CFD Short 358 15.5567 CFD Short 4828 15.575 CFD Short 113192 15.5935 CFD Short 58297 15.6295 CFD Short 3633 15.6442 CFD Short 10200 15.6445 CFD Short 364834 15.6498 CFD Short 15671 15.6665 CFD Short 8395 15.7242 CFD Short 23526 15.8094 CFD Short 13598 15.92 CFD Long 35226 15.597 CFD Long 52371 15.6182 CFD Long 10623 15.63 CFD Long 670 15.6455 CFD Long 700 15.6674 CFD Long 10725 15.6676 CFD Long 949035 15.6787 CFD Long 20859 15.6915 CFD Long 5472 15.7077 CFD Long 52619 15.7274 CFD Long 10829 15.7322 CFD Long 13000 15.757 CFD Long 13598 15.92 (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 05 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 250,000 14.0000 AMER 20/06/2008 Option Purchased -500 950.0000 EURO 19/12/2008 Option Purchased -500 1,400.0000 EURO 21/12/2007 Option Purchased -500 1,600.0000 EURO 21/12/2007 Option Purchased 250 1,700.0000 EURO 19/12/2008 Option Purchased 350 1,550.0000 EURO 21/12/2007 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 700 1,400.0000 EURO 20/03/2008 Option Purchased -500 950.0000 EURO 19/12/2008 Option Purchased 1,000 2,000.0000 EURO 21/12/2007 Option Purchased -650 1,900.0000 EURO 21/12/2007 Option Purchased 250,000 14.0000 AMER 20/06/2008 Option Purchased 285,000 15.9000 AMER 21/12/2007 Option Purchased 500,000 9.5000 EURO 19/12/2008 Option Purchased -1,000,000 15.0000 AMER 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 1,000 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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Barclays (BARC)
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