Rule 8.3 - BHP BILLITON LTD

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 LIMITED Class of relevant security NPV to which the dealings being disclosed relate (Note 2) Date of dealing 21 April 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 147,073,749 4.38% 1,194,480 0.04% securities (2) Derivatives 39 0.00% 33,477 0.00% (other than options) (3) Options and 0 0.00% 0 0.00% agreements to purchase/sell Total 147,073,788 4.38% 1,227,957 0.04% (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 470 43.7000 AUD Purchase 2,000 43.5387 AUD Purchase 155,542 43.6693 AUD Purchase 66,600 43.9900 AUD Purchase 89,946 43.5588 AUD Purchase 560 43.7117 AUD Purchase 342,300 42.4200 AUD Purchase 4,464 43.7117 AUD Purchase 1,617 43.7118 AUD Purchase 170 43.7000 AUD Purchase 2,447 43.9900 AUD Purchase 4,403 43.9900 AUD Purchase 1,716 43.7000 AUD Purchase 16,248 43.7117 AUD Purchase 59 43.7000 AUD Sale 2,415 43.7000 AUD Sale 66,600 43.9900 AUD Sale 39 43.7746 AUD Sale 480 35.7500 AUD Sale 155,542 43.6693 AUD Sale 396 43.4535 AUD (b) Derivatives transactions (other than options) Product name, Long/Short Number of Price per (e.g. CFD) (Note 6) Securities unit (GBP) CFD Long 396 43.4535 CFD Long 39 43.7746 CFD Short 2000 43.5387 CFD Short 89946 43.5587 (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 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. None Is a Supplemental Form 8 attached? (Note 9) NO Date of disclosure 22 April 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

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Barclays (BARC)
UK 100

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