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 09 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 110,890,068 5.02% 6,014,576 0.27% securities (2) Derivatives 5,799,546 0.26% 900,320 0.04% (other than options) (3) Options and 1,002,150 0.05% 753,775 0.03% agreements to purchase/sell Total 117,691,764 5.33% 7,668,671 0.35% (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 347,924 15.2373 Purchase 10,740 14.9100 Purchase 48,964 15.2388 Purchase 320 15.2788 Purchase 9,582 15.3800 Purchase 518,262 15.2200 Purchase 10,587 15.3800 Purchase 39,664 15.3171 Purchase 129,864 15.2218 Purchase 10,550 15.3800 Purchase 2,060 14.9721 Purchase 9,559 15.3800 Purchase 4,202 14.9100 Purchase 1,241 15.3800 Purchase 1,646 15.1000 Purchase 26,300 14.9100 Purchase 34,454 15.3866 Purchase 47,595 15.3800 Purchase 1,223 15.1029 Purchase 39,825 15.3800 Purchase 16,811 15.1923 Purchase 19,816 15.2416 Purchase 1,458 15.3866 Purchase 90,000 15.1811 Purchase 112,817 15.1225 Purchase 4,193 14.9100 Purchase 14,859 15.3000 Purchase 60,885 15.1406 Purchase 44,11 15.1965 Purchase 788,904 15.1569 Purchase 37,857 15.2693 Purchase 282 15.3800 Purchase 128,839 15.3800 Purchase 10,838 14.9100 Purchase 230 15.0700 Purchase 32,811 15.2317 Purchase 1,108 14.9798 Purchase 78,129 15.3600 Purchase 1,100,000 Transfer Purchase 205,535 15.0741 Purchase 197,694 15.2354 Purchase 256 15.3800 Purchase 246 15.3800 Purchase 9,195 15.3764 Purchase 37,857 15.2644 Purchase 559,764 15.1493 Purchase 1,946 15.3500 Purchase 518,262 15.2200 Purchase 2,100 15.2557 Purchase 10,587 14.9100 Purchase 8,386 15.1000 Purchase 3,580 15.3800 Purchase 35,800 15.3800 Purchase 15,600 15.1295 Purchase 14,001 15.1549 Purchase 136,924 15.1979 Purchase 335 15.1300 Purchase 601 15.3500 Purchase 10,740 15.3800 Purchase 39 15.2783 Purchase 36,358 15.3800 Purchase 39,66 15.3171 Purchase 22,639 15.1911 Purchase 46,354 15.4317 Purchase 19,134 15.1946 Sale 14,859 15.3000 Sale 39,664 15.3171 Sale 4,208 15.2680 Sale 1,262 15.2424 Sale 10,906 15.1907 Sale 55,20 15.1907 Sale 3,341 15.2680 Sale 1,241 15.3800 Sale 44,119 15.1936 Sale 2,042 15.2680 Sale 205,53 15.0726 Sale 4,942 15.1907 Sale 9,743 15.1907 Sale 3,897 15.1500 Sale 518,262 15.2200 Sale 18,026 15.1907 Sale 1,902 15.2680 Sale 37,857 15.2693 Sale 246 15.3800 Sale 29,418 15.1460 Sale 15,600 15.1272 Sale 49,467 15.3800 Sale 100 15.3217 Sale 1,108 14.9798 Sale 498 15.2424 Sale 2,060 14.9721 Sale 559,764 15.1493 Sale 28,608 15.1907 Sale 65 15.4335 Sale 188 15.3117 Sale 16,346 15.1459 Sale 6,397 15.1907 Sale 423,079 15.1460 Sale 32,811 15.2302 Sale 828,568 15.1646 Sale 7,173 15.1458 Sale 129,864 15.2218 Sale 24,865 15.2411 Sale 210,294 15.2424 Sale 36,838 15.4200 Sale 256 15.3800 Sale 18,376 15.1907 Sale 23,068 15.1460 Sale 17,593 15.1459 Sale 11,866 15.1907 Sale 282 15.3800 Sale 18,674 15.1459 Sale 37,857 15.2644 Sale 112,817 15.1211 Sale 36,838 15.4200 Sale 1,756 15.2424 Sale 165,313 15.1460 Sale 11,197 15.1907 Sale 19,816 15.2401 Sale 60,885 15.1392 Sale 509 15.0500 Sale 207 Transfer Sale 47,595 15.3800 Sale 5,485 15.1907 Sale 275 15.1912 Sale 39,664 15.3142 Sale 136,924 15.1952 Sale 19,134 15.1917 Sale 22,639 15.1911 Sale 90,000 15.1782 Sale 1,223 15.1000 Sale 347,924 15.2346 Sale 788,904 15.1569 Sale 30,689 15.2478 Sale 197,694 15.2354 Sale 16,811 15.1894 Sale 2,100 15.2557 Sale 1,795 15.2680 Sale 8,319 15.1459 Sale 13,348 15.1459 Sale 94 Transfer Sale 1,152 15.2424 Sale 48,964 15.2359 (b) Derivatives transactions (other than options) Product Name Long/Short Number Of Securities Price Per Unit CFD Short 1000 14.9513 CFD Short 1223 15.1028 CFD Short 59885 15.1437 CFD Short 3334 15.1455 CFD Short 9411 15.1807 CFD Short 22639 15.191 CFD Short 16811 15.1922 CFD Short 347924 15.2373 CFD Short 48964 15.2387 CFD Short 19816 15.2415 CFD Short 19668 15.2557 CFD Short 15935 15.2752 CFD Short 34580 15.3063 CFD Long 205535 15.0726 CFD Long 102086 15.1129 CFD Long 15600 15.1272 CFD Long 90000 15.1782 CFD Long 19134 15.1917 CFD Long 44119 15.1936 CFD Long 136924 15.1951 CFD Long 10731 15.1986 CFD Long 129864 15.2218 CFD Long 32811 15.2301 CFD Long 2100 15.2557 CFD Long 39664 15.3142 (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 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 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 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 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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