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               29 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     108,872,652     4.93%      1,124,457     0.05%
securities
(2) Derivatives    2,243,229     0.10%     10,234,031     0.46%
(other than
options)
(3) Options and      502,700     0.02%        751,000     0.03%
agreements to
purchase/sell
Total            111,618,581     5.06%     12,109,488     0.55%


(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                78,265              17.4426
Purchase                26,477              17.1800
Purchase                5,604               17.1800
Purchase                6,988               17.1800
Purchase                37,944              17.1800
Purchase                254                 17.1800
Purchase                12,375              17.1800
Purchase                3,779               17.1800
Purchase                325                 17.1800
Purchase                410                 17.2974
Purchase                38,343              17.1812
Purchase                26,216              17.1800
Purchase                130                 17.2974
Purchase                740                 17.1776
Purchase                6,315               17.1800
Purchase                46,270              17.1100
Purchase                714                 17.4177
Purchase                46,270              17.1100
Purchase                335,481             17.3172
Purchase                106                 Transfer
Purchase                1,464               17.1827
Purchase                19,000              17.3512
Purchase                38,642              17.3077
Purchase                75                  17.3785
Purchase                3,100               17.3745
Purchase                77,507              17.2291
Purchase                37,943              17.3268
Purchase                1,555               17.4083
Purchase                58,739              17.2746
Purchase                600                 17.1785
Purchase                800                 17.3675
Purchase                900                 17.1800
Purchase                2,909               17.1800
Purchase                76,751              17.1861
Purchase                11,176              17.1800
Purchase                16,285              17.1800
Purchase                166,599             17.1800
Purchase                2,351               17.1800
Purchase                144,186             17.1729
Purchase                5,949               17.1800
Purchase                26,870              17.1800
Purchase                5,929               17.1800
Purchase                2,326               17.1776
Purchase                15,114              17.1729
Purchase                1,171               17.1800
Purchase                2,131               17.1800
Sale                    520                 17.3315
Sale                    50,308              17.1800
Sale                    8,976               17.1800
Sale                    5,000               17.1873
Sale                    106                 Transfer
Sale                    468,315             17.1961
Sale                    2,575               17.2000
Sale                    89                  17.1715
Sale                    7,290               17.1073
Sale                    6,800               17.4520
Sale                    75,066              17.2480
Sale                    287                 17.2572
Sale                    39,714              17.2958
Sale                    51,600              17.0882
Sale                    809                 Transfer
Sale                    800                 17.3675
Sale                    2,133               17.1487
Sale                    26,979              17.1745
Sale                    105,074             17.3506
Sale                    144,489             17.1657
Sale                    181                 17.4330
Sale                    863                 17.1800
Sale                    2,514               17.1800
Sale                    57,235              17.1824
Sale                    10,100              17.2573
Sale                    2,002               17.1800
Sale                    280                 17.3403
Sale                    350                 17.4630
Sale                    21,926              17.1800
Sale                    8,344               17.2573
Sale                    26,216              17.1800
Sale                    47,284              17.1824
Sale                    1,156               17.3400
Sale                    690                 17.1800
Sale                    16,769              17.1764
Sale                    7,841               17.1800
Sale                    500                 17.2403
Sale                    2,380               17.0783
Sale                    2,894               17.2800
Sale                    295                 17.0303
Sale                    166,599             17.1800
Sale                    13,000              17.1800
Sale                    1,514               17.1800
Sale                    562                 17.3915
Sale                    16,285              17.1800
Sale                    15,525              17.1800

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          2380          17.0782
CFD            Long          51600         17.0882
CFD            Long          7290          17.1072
CFD            Long          2133          17.1487
CFD            Long          144489        17.1657
CFD            Long          26979         17.1744
CFD            Long          4201          17.18
CFD            Long          5000          17.1872
CFD            Long          468315        17.196
CFD            Long          75066         17.248
CFD            Long          287           17.2572
CFD            Long          39714         17.2957
CFD            Long          105074        17.3505
CFD            Long          800           17.3675
CFD            Short         28798         17.1205
CFD            Short         7320          17.1749
CFD            Short         38343         17.1811
CFD            Short         1464          17.1827
CFD            Short         7080          17.1973
CFD            Short         58739         17.2746
CFD            Short         48709         17.2933
CFD            Short         38642         17.3077
CFD            Short         335481        17.3171
CFD            Short         37943         17.3268
CFD            Short         19000         17.3511
CFD            Short         800           17.3675
CFD            Short         3100          17.3745
CFD            Short         6040          17.3977
CFD            Short         1555          17.4083
CFD            Short         714           17.4177
CFD            Short         78265         17.4426


(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                         01 September 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