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 27 May 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 110,726,950 5.02% 855,356 0.04% securities (2) Derivatives 2,591,344 0.12% 3,497,761 0.16% (other than options) (3) Options and 1,002,450 0.05% 752,775 0.03% agreements to purchase/sell Total 114,320,744 5.18% 5,105,892 0.23% (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 2,340 19.9149 Purchase 2,310 20.0315 Purchase 12,800 20.3360 Purchase 500 19.7200 Purchase 16,388 19.7200 Purchase 9,788 19.8926 Purchase 240,247 19.9640 Purchase 3,082 19.9149 Purchase 3,884 19.7200 Purchase 211,384 19.7643 Purchase 20,516 19.9149 Purchase 60,000 19.7200 Purchase 41,698 19.9987 Purchase 58,527 20.2806 Purchase 1,047 19.9200 Purchase 2,303 19.9200 Purchase 1,173 19.7200 Purchase 6,139 19.9149 Purchase 30,000 19.7200 Purchase 7,740 19.7200 Purchase 30,000 19.7200 Purchase 14,658 19.7200 Purchase 11,623 19.9149 Purchase 2,949 19.7200 Purchase 13,407 19.9149 Purchase 3,500 20.5120 Purchase 7,618 19.7237 Purchase 37,197 20.0100 Purchase 250 20.1284 Purchase 18,798 19.9952 Purchase 12,996 19.9149 Purchase 16,907 19.7200 Purchase 25,870 19.7200 Purchase 134,992 20.0215 Purchase 8,022 19.9672 Purchase 329,801 20.3142 Purchase 287 19.7200 Purchase 27,138 20.0879 Purchase 136 Transfer Purchase 67,200 19.8811 Purchase 26,544 19.7200 Purchase 21,050 19.9149 Purchase 229 19.9149 Purchase 1,082 20.1900 Sale 3,000 20.1100 Sale 111 19.9117 Sale 459 20.0100 Sale 400 19.9537 Sale 35,012 20.4695 Sale 39,889 19.7200 Sale 230 19.8400 Sale 359 19.7200 Sale 8,580 20.4695 Sale 500 19.8400 Sale 9,160 19.7200 Sale 6,953 20.3000 Sale 500 19.8400 Sale 250 19.8400 Sale 58,742 20.0863 Sale 85 19.8635 Sale 404 20.0100 Sale 2,500 19.9170 Sale 121,116 20.0508 Sale 56,600 20.0484 Sale 260 Transfer Sale 13,614 20.1246 Sale 1,123 20.0100 Sale 1,400 19.9867 Sale 27,520 20.0111 Sale 4,485 19.9047 Sale 136 Transfer Sale 115,227 19.7200 Sale 146 20.4070 Sale 985 19.8400 Sale 460 20.0100 Sale 18,056 19.9369 Sale 126 20.0100 Sale 211,384 19.7643 Sale 314 19.9400 Sale 65,299 20.0726 Sale 791 20.0100 Sale 361 20.0100 Sale 120,000 19.7200 Sale 21,891 19.9164 Sale 2,856 19.7200 Sale 300 19.7912 Sale 250 19.8400 Sale 557 20.0100 (b) Derivatives transactions (other than options) Product name, Long/Short Number of Price per (e.g. CFD) (Note 6) Securities unit (GBP) CFD Long 211384 19.7643 CFD Long 21891 19.9163 CFD Long 2500 19.917 CFD Long 18056 19.9368 CFD Long 1400 19.9867 CFD Long 743 19.998 CFD Long 27520 20.011 CFD Long 56600 20.0484 CFD Long 121116 20.0507 CFD Long 65299 20.0725 CFD Long 58742 20.0862 CFD Long 13614 20.1246 CFD Short 7618 19.7237 CFD Short 211384 19.7643 CFD Short 67200 19.8811 CFD Short 9788 19.8925 CFD Short 240247 19.964 CFD Short 8022 19.9671 CFD Short 18798 19.9951 CFD Short 41698 19.9986 CFD Short 37197 20.0099 CFD Short 134992 20.0214 CFD Short 2310 20.0315 CFD Short 27138 20.0878 CFD Short 58527 20.2806 CFD Short 329801 20.3142 CFD Short 12800 20.336 CFD Short 3500 20.512 (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 28 May 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 250,000 14.0000 AMER 20/06/2008 Option Purchased 500 1,900.0000 EURO 18/12/2009 Option Purchased 500 1,900.0000 EURO 18/12/2009 Option Purchased 350 1,450.0000 EURO 18/12/2009 Option Purchased 350 1,450.0000 EURO 18/12/2009 Option Purchased 250 1,700.0000 EURO 19/12/2008 Option Purchased 250 1,500.0000 EURO 18/12/2009 Option Purchased 250 1,500.0000 EURO 18/12/2009 Option Purchased -500 950.0000 EURO 19/12/2008 Option Purchased -500 950.0000 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 Notes 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

Companies

Barclays (BARC)
UK 100