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 August 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    109,706,186        4.97%     1,654,238     0.07%
securities
(2) Derivatives   2,034,521        0.09%    11,480,258     0.52%
(other than
options)
(3) Options and     502,700        0.02%       751,000     0.03%
agreements to
purchase/sell
Total           112,243,407        5.09%    13,885,496     0.63%

(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           Price per unit
                        Securities          (GBP)
Purchase                700                 15.2200
Purchase                64,904              15.5493
Purchase                90,907              15.5304
Purchase                197,910             15.5553
Purchase                80,800              15.5381
Purchase                532,091             15.4900
Purchase                222,148             15.5377
Purchase                8,884               15.5051
Purchase                7,500               15.1400
Purchase                92,538              15.6000
Purchase                400                 15.5350
Purchase                92,538              15.6000
Purchase                1,166               15.5535
Purchase                185,075             15.6900
Purchase                9,048               15.5251
Purchase                600                 15.5526
Purchase                46,269              15.6900
Purchase                679                 15.4816
Purchase                2,030               15.5000
Purchase                2,030               15.5000
Purchase                34                  15.5630
Purchase                1,501               15.4816
Purchase                557                 15.5301
Purchase                95                  15.4988
Purchase                807                 15.5025
Purchase                277,882             15.5826
Purchase                676                 15.4816
Purchase                10,664              15.4816
Purchase                416,420             15.6500
Purchase                16,000              15.4775
Purchase                69,951              15.0939
Sale                    1,002               15.6077
Sale                    38,035              15.5170
Sale                    25,000              15.5000
Sale                    950                 15.6875
Sale                    78,121              15.5684
Sale                    323                 15.0721
Sale                    557                 15.5975
Sale                    152,144             15.5925
Sale                    416,420             15.6500
Sale                    59                  15.2521
Sale                    500                 15.2321
Sale                    1,806               15.5000
Sale                    250                 15.5912
Sale                    500                 15.5412
Sale                    250                 15.5412
Sale                    265                 15.4642
Sale                    1,500               15.6019
Sale                    226,286             15.5700
Sale                    400                 15.5350
Sale                    532,091             15.4900
Sale                    872,132             15.5538
Sale                    2,151,946           Transfer
Sale                    37                  15.5421
Sale                    69,769              15.0996
Sale                    46,947              15.5111
Sale                    1,349               15.5375
Sale                    226,286             15.5700
Sale                    176,982             15.5888

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          69769         15.0995
CFD            Long          1507          15.4731
CFD            Long          46947         15.5111
CFD            Long          38035         15.517
CFD            Long          400           15.535
CFD            Long          1349          15.5375
CFD            Long          47747         15.5389
CFD            Long          872132        15.5537
CFD            Long          78121         15.5684
CFD            Long          176982        15.5887
CFD            Long          152144        15.5924
CFD            Long          557           15.5975
CFD            Long          1500          15.6019
CFD            Long          1002          15.6076
CFD            Long          950           15.6874
CFD            Short         69951         15.0939
CFD            Short         700           15.22
CFD            Short         16000         15.4774
CFD            Short         807           15.5024
CFD            Short         8884          15.5051
CFD            Short         9048          15.5251
CFD            Short         557           15.5301
CFD            Short         90907         15.5304
CFD            Short         400           15.535
CFD            Short         222148        15.5376
CFD            Short         80800         15.5381
CFD            Short         64904         15.5493
CFD            Short         600           15.5526
CFD            Short         1166          15.5535
CFD            Short         197910        15.5553
CFD            Short         277882        15.5825

NB: The below transactions which were previously disclosed have been cancelled
Deal Date        Long/Short       Number of Securities          Price per unit (GBP)
05/08/2008       Long             300                           15.53

(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 August 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               16.0000          AMER           19/09/2008
Option            Purchased   -500,000               9.5000           EURO           19/12/2008
Option            Purchased   750                    2,200.0000       EURO           19/12/2008
Option            Purchased   350                    1,450.0000       EURO           18/12/2009
Option            Purchased   350                    1,450.0000       EURO           18/12/2009
Option            Purchased   250                    1,900.0000       EURO           18/12/2009
Option            Purchased   250                    1,900.0000       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

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