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 06 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 104,041,022 4.70% 8,718,778 0.39% securities (2) Derivatives 24,076,243 1.09% 18,020,052 0.81% (other than options) (3) Options and 1,289,750 0.06% 1,757,675 0.08%% agreements to purchase/sell Total 129,407,015 5.85% 28,496,505 1.29% (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 113,840 16.1939 Purchase 198 16.18 Purchase 914 16.16 Purchase 359 16.29 Purchase 1,600 16.17 Purchase 912 16.3 Purchase 1,141 16.31 Purchase 900 16.33 Purchase 61,743 16.428 Purchase 5,704 16.3 Purchase 2,257 16.45 Purchase 912 16.3 Purchase 1,596 16.33 Purchase 36 16.29 Purchase 904 16.37 Purchase 915 16.17 Purchase 774 16.33 Purchase 39 16.32 Purchase 1,726 16.29 Purchase 1,568 16.29 Purchase 1,371 16.17 Purchase 786 16.18 Purchase 97,601 16.3815 Purchase 47,283 16.1419 Purchase 1,178 16.33 Purchase 100 16.32 Purchase 332 16.32 Purchase 714 16.15 Purchase 139 16.33 Purchase 1,000 16.1227 Purchase 1,600 16.21 Purchase 215 16.37 Purchase 9 16.37 Purchase 514 16.29 Purchase 1,368 16.36 Purchase 784 16.18 Purchase 200 16.14 Purchase 586 16.17 Purchase 914 16.19 Purchase 3,000 16.1724 Purchase 1,738 16.37 Purchase 2,446 16.32 Purchase 1,113 16.18 Purchase 2,744 16.13 Purchase 99 16.29 Purchase 1,399 16.29 Purchase 1,902 16.13 Purchase 165 16.33 Purchase 420 16.29 Purchase 244 15.9877 Purchase 15,139 16.0649 Purchase 2,053 16.3 Purchase 700 16.29 Purchase 1,568 16.29 Purchase 930 16.17 Purchase 1,547 16.28 Purchase 4,257 16.4585 Purchase 398,000 16.47 Purchase 948 16.29 Purchase 900 16.12 Purchase 477 16.34 Purchase 883 16.29 Purchase 1,368 16.35 Purchase 500 16.29 Purchase 30 16.18 Purchase 2,500 16.2317 Purchase 913 16.36 Purchase 60 16.18 Purchase 125,000 16.01 Purchase 1,674 16.17 Purchase 1,601 16.18 Purchase 3,939 16.18 Purchase 1,242 16.17 Purchase 2,447 16.31 Purchase 84 16.12 Purchase 1,611 16.29 Purchase 349 16.28 Purchase 912 16.32 Purchase 97,601 16.3846 Purchase 62 16.31 Purchase 380 16.28 Purchase 200 16.31 Purchase 2,149 16.28 Purchase 2,510 16.36 Purchase 955 16.17 Purchase 913 16.28 Purchase 1,453 16.34 Purchase 4,254 16.29 Purchase 2,478 16.29 Purchase 722 16.15 Purchase 2,000 16.14 Purchase 1,000 16.17 Purchase 1,300 16.33 Purchase 799 16.26 Purchase 716 16.18 Purchase 436 16.28 Purchase 1,601 16.16 Purchase 1,088 16.29 Purchase 515 16.17 Purchase 399 16.16 Purchase 1,000 16.1227 Purchase 3,937 16.18 Purchase 96 16.29 Purchase 2,713 16.33 Purchase 1,600 16.13 Purchase 538 16.32 Purchase 100 16.32 Purchase 113 16.26 Purchase 84 16.17 Purchase 19,111 16.2614 Purchase 3,887 16.18 Purchase 375 16.32 Purchase 941 16.31 Purchase 744 16.16 Purchase 13,603 16.3302 Purchase 2,515 16.15 Purchase 146 16.32 Purchase 502 16.33 Purchase 249 16.34 Purchase 192 16.15 Purchase 912 16.31 Purchase 1,601 16.15 Purchase 30 16.3 Purchase 500 16.33 Purchase 131 16.19 Purchase 914 16.17 Purchase 2,253 16.29 Purchase 225 16.32 Purchase 100 16.33 Purchase 975 16.32 Purchase 912 16.37 Purchase 4,106 16.27 Purchase 1,143 16.16 Purchase 100 16.32 Purchase 684 16.32 Purchase 398,241 16.2834 Purchase 914 16.17 Purchase 2,500 16.12 Purchase 564 16.28 Purchase 2,286 16.16 Purchase 846 16.17 Purchase 173,992 16.3418 Purchase 912 16.27 Purchase 1,384 16.3931 Purchase 3,649 16.3 Purchase 1,825 16.36 Purchase 1,601 16.18 Purchase 278 16.12 Purchase 1,500 16.33 Purchase 15 16.16 Purchase 62,400 16.07 Purchase 873 16.32 Purchase 1,143 16.16 Purchase 144 16.34 Purchase 1,372 16.13 Purchase 816 16.32 Purchase 4,257 16.4656 Purchase 629 16.17 Purchase 915 16.2 Purchase 2,182 16.13 Purchase 912 16.33 Purchase 2,054 16.32 Purchase 685 16.15 Purchase 384 16.13 Purchase 744 16.15 Purchase 899 16.16 Sale 387 16.3846 Sale 2,500 16.2317 Sale 680 16.1446 Sale 31,200 16.1342 Sale 4,257 16.4585 Sale 10,617 16.2259 Sale 1,327 16.1669 Sale 607 16.4 Sale 4,377 16.4228 Sale 250 16.1612 Sale 151,784 16.2559 Sale 97,601 16.3815 Sale 22,833 16.1821 Sale 309 16.4246 Sale 3,937 16.18 Sale 3,937 16.18 Sale 17,326 16.3237 Sale 1,748 16.3846 Sale 279 16.3823 Sale 1,079 16.2825 Sale 955 16.4163 Sale 81,015 16.2595 Sale 1,000 16.1227 Sale 318 16.2 Sale 56,084 16.3153 Sale 129,396 16.3333 Sale 74 16.2423 Sale 48 16.0923 Sale 2,500 16.2317 Sale 2,275 16.1869 Sale 190 16.3646 Sale 44,940 16.2525 Sale 250 16.1812 Sale 201,949 16.47 Sale 2,060 16.4228 NB: The below transactions which were previously disclosed have been cancelled Deal Date Purchase/Sale Number of Securities Price per unit (GBP) 05/12/2007 Purchase 130,000 16.0100 (b) Derivatives transactions (other than options) Product Name Long/Short Number Of Securities Price Per Unit CFD Short 15139 16.0648 CFD Short 1000 16.1227 CFD Short 47283 16.1418 CFD Short 3000 16.1724 CFD Short 113840 16.1938 CFD Short 19111 16.2613 CFD Short 398241 16.2833 CFD Short 13603 16.3302 CFD Short 173992 16.3417 CFD Short 107020 16.3742 CFD Short 97601 16.3846 CFD Short 1384 16.3931 CFD Short 22749 16.3951 CFD Short 130 16.4018 CFD Long 31200 16.1341 CFD Long 7148 16.1649 CFD Long 2275 16.1869 CFD Long 2500 16.2317 CFD Long 44940 16.2525 CFD Long 81015 16.2594 CFD Long 56084 16.3152 CFD Long 17326 16.3236 CFD Long 129396 16.3333 CFD Long 3469 16.3515 CFD Long 955 16.4163 (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 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 1,400.0000 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 500 1,300.0000 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

Companies

Barclays (BARC)
UK 100

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