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 January 2008 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 111,190,637 5.04% 6,369,373 0.29% securities (2) Derivatives 5,615,665 0.25% 932,505 0.04% (other than options) (3) Options and 1,002,150 0.05% 753,775 0.03% agreements to purchase/sell Total 117,808,452 5.34% 8,055,653 0.37% (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 3,170 15.7482 Purchase 1,300 15.5716 Purchase 458 16.4200 Purchase 15,988 16.0734 Purchase 752 15.6194 Purchase 998 15.9700 Purchase 19,935 15.9595 Purchase 32,593 16.4082 Purchase 217 16.4200 Purchase 114,263 16.2255 Purchase 22,040 15.3460 Purchase 482,551 15.6841 Purchase 372,152 15.9676 Purchase 15,117 16.3453 Purchase 38,000 15.9847 Purchase 507,080 16.2269 Purchase 7,900 15.8837 Purchase 54,649 16.0292 Purchase 42,367 15.8093 Purchase 500 16.1988 Purchase 482,551 15.6841 Purchase 74,956 15.7166 Purchase 25,199 15.7156 Purchase 15,930 15.4200 Purchase 10,240 15.9843 Purchase 350 15.4888 Purchase 225 16.3650 Purchase 373,986 16.2013 Purchase 320 16.3650 Purchase 66,700 16.0278 Purchase 2,392 15.4229 Purchase 467 15.9700 Purchase 10,430 16.1411 Purchase 18,357 15.9599 Purchase 45,624 15.5779 Purchase 1,033 16.2614 Purchase 114,26 16.2288 Purchase 94,373 15.5269 Purchase 1,566 15.4200 Purchase 11,418 16.3600 Purchase 89,770 16.1990 Purchase 95,191 16.4200 Purchase 38,000 15.9847 Purchase 1,000 15.4200 Purchase 400 15.4888 Purchase 196,055 15.4742 Purchase 52,616 16.0359 Purchase 1,360,606 16.2471 Purchase 6,250 15.8209 Purchase 2,491 15.4200 Purchase 323 15.3954 Purchase 100,962 15.9439 Purchase 21,000 15.4200 Purchase 4,500 15.5473 Purchase 1,131,324 16.0250 Sale 1,300 15.5716 Sale 1,360,606 16.2471 Sale 2,392 15.4200 Sale 373,986 16.1997 Sale 217 16.4200 Sale 11,418 16.3600 Sale 1,000 15.4200 Sale 4,317 15.9299 Sale 18,357 15.9569 Sale 768,680 15.9361 Sale 15,117 16.3453 Sale 22,040 15.3445 Sale 1,033 16.2614 Sale 114,263 16.2255 Sale 19,935 15.9595 Sale 38,000 15.9847 Sale 54,649 16.0278 Sale 89,770 16.1990 Sale 3,170 15.7458 Sale 6,250 15.8209 Sale 15,988 16.0704 Sale 94,373 15.5239 Sale 395 15.3912 Sale 507,080 16.2269 Sale 45,624 15.5763 Sale 6,686 15.9393 Sale 25,199 15.7156 Sale 1,131,324 16.0250 Sale 39 16.1100 Sale 74,956 15.7137 Sale 52,616 16.0359 Sale 21,000 15.4200 Sale 1,169,324 16.0237 Sale 66,700 16.0247 Sale 752 15.6194 Sale 6,840 16.2168 Sale 4,500 15.5458 Sale 500 16.4212 Sale 38,000 15.9817 Sale 458 16.4200 Sale 114,263 16.2288 Sale 100,962 15.9410 Sale 372,152 15.9647 Sale 467 15.9700 Sale 10,240 15.9819 Sale 1,033 16.2614 Sale 7,900 15.8837 Sale 196,055 15.4728 Sale 10,430 16.1411 Sale 716,200 16.2067 Sale 482,551 15.6841 Sale 32,593 16.4066 Sale 3,940 15.9263 Sale 1,652 15.9260 Sale 1,203 16.1538 (b) Derivatives transactions (other than options) Product Name Long/Short Number Of Securities Price Per Unit CFD Short 22040 15.346 CFD Short 2933 15.3674 CFD Short 2392 15.4229 CFD Short 193122 15.4758 CFD Short 1300 15.5716 CFD Short 45624 15.5779 CFD Short 752 15.6193 CFD Short 25199 15.7156 CFD Short 3170 15.7481 CFD Short 100962 15.9438 CFD Short 18357 15.9599 CFD Short 21072 15.9943 CFD Short 66700 16.0277 CFD Short 3059 16.0318 CFD Short 1923 16.1458 CFD Long 94373 15.5239 CFD Long 4500 15.5457 CFD Long 74956 15.7136 CFD Long 7584 15.878 CFD Long 7900 15.8836 CFD Long 372152 15.9646 CFD Long 38000 15.9816 CFD Long 10240 15.9819 CFD Long 47065 16.0518 CFD Long 15988 16.0703 CFD Long 89770 16.199 CFD Long 373986 16.1997 CFD Long 1033 16.2614 CFD Long 32593 16.4065 CFD Long 217 16.42 (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 07 January 2008 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 1,700.0000 EURO 19/12/2008 Option Purchased 250 1,600.0000 EURO 15/02/2008 Option Purchased -500 950.0000 EURO 19/12/2008 Option Purchased -500 950.0000 EURO 19/12/2008 Option Purchased -1,000 1,500.0000 EURO 19/12/2008 Option Purchased -1,775 1,600.0000 EURO 20/06/2008 Option Purchased -250,000 16.0000 AMER 19/09/2008 Option Purchased -500,000 9.5000 EURO 19/12/2008 Option Purchased 500,000 9.5000 EURO 19/12/2008 Option Purchased 250,000 14.0000 AMER 20/06/2008 Option Purchased 250,000 14.0000 AMER 20/06/2008 Option Purchased 700 1,400.0000 EURO 20/03/2008 Option Purchased 500 1,500.0000 EURO 15/02/2008 Option Purchased 450 1,400.0000 EURO 20/03/2008 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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