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 15 November 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 109,492,738 4.90% 4,133,798 0.19% securities (2) Derivatives 10,150,918 0.45% 7,561,202 0.34% (other than options) (3) Options and 1,288,750 0.06% 756,675 0.03% agreements to purchase/sell Total 120,932,406 5.42% 12,451,675 0.56% (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 11,629 15.9150 Purchase 300 16.0854 Purchase 620 16.0508 Purchase 237,264 16.0267 Purchase 153,700 16.0718 Purchase 153,700 16.0687 Purchase 142,163 16.0379 Purchase 100 15.8620 Purchase 1,800 16.1100 Purchase 605 15.9875 Purchase 57,497 16.1092 Purchase 1,190 15.9924 Purchase 3,420 15.9753 Purchase 2,576 16.1800 Purchase 135,596 16.0373 Purchase 147,726 16.0923 Purchase 83 16.4077 Purchase 7,236 16.0030 Purchase 11,629 15.9187 Purchase 7,900 16.0282 Purchase 21,022 16.0633 Purchase 129,500 16.0200 Purchase 98,401 15.9837 Purchase 69,208 16.0282 Sale 24,115 16.0697 Sale 1,898 15.9800 Sale 158,094 15.9728 Sale 270 16.0612 Sale 585 16.0412 Sale 625 16.0812 Sale 951 15.9435 Sale 203 16.0023 Sale 115,412 16.0123 Sale 2,214 15.9433 Sale 57,497 16.1062 Sale 291 Transfer Sale 739 16.2700 Sale 48,357 16.0846 Sale 5,000 15.9623 Sale 400 16.2800 Sale 8,975 16.1800 Sale 103 15.8835 Sale 115,247 16.0418 Sale 153,700 16.0687 Sale 3,791 15.9800 Sale 300 15.9425 Sale 52 Transfer Sale 57,497 16.1092 Sale 11,629 15.9150 Sale 79 Transfer Sale 200 15.9946 Sale 1,331,150 16.1800 Sale 8,000 15.9300 Sale 67 15.9646 Sale 224,098 16.0294 Sale 115,474 15.9800 Sale 17,009 16.0239 (b) Derivatives transactions (other than options) Product name, Long/Short Number of Price per (e.g. CFD) (Note 6) Securities unit (GBP) CFD Short 100 15.862 CFD Short 3420 15.9752 CFD Short 98401 15.9837 CFD Short 1190 15.9923 CFD Short 7236 16.0029 CFD Short 237264 16.0267 CFD Short 7900 16.0282 CFD Short 135596 16.0372 CFD Short 142163 16.0378 CFD Short 21022 16.0632 CFD Short 153700 16.0718 CFD Short 147726 16.0922 CFD Short 1800 16.11 CFD Long 2214 15.9432 CFD Long 158094 15.9728 CFD Long 6471 16.0017 CFD Long 60698 16.0088 CFD Long 115412 16.0122 CFD Long 8342 16.0127 CFD Long 224098 16.0294 CFD Long 8667 16.0346 CFD Long 115247 16.0417 CFD Long 24115 16.0696 CFD Long 48357 16.0846 CFD Long 57497 16.1061 CFD Long 400 16.28 (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 16 November 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 Option money e.g. call option purchased to which the option (Note 2) American, paid/received or derivative relates European etc. per unit(GBP) Option Purchased -500 950.0000 EURO 19/12/2008 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 -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 250,000 14.0000 AMER 20/06/2008 Option Purchased -500 950.0000 EURO 19/12/2008 Option Purchased 1,000 2,000.0000 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 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 -650 1,900.0000 EURO 21/12/2007 1. 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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