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               14 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     108,141,603     4.90%      1,888,497     0.09%
securities
(2) Derivatives    2,191,469     0.10%     10,368,374     0.47%
(other than
options)
(3) Options and      502,700     0.02%        751,000     0.03%
agreements to
purchase/sell
Total            110,835,772     5.02%     13,007,871     0.59%


(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                150                 15.8879
Purchase                5,647               16.0471
Purchase                14,540              15.9025
Purchase                900                 16.0100
Purchase                18,952              15.8613
Purchase                141                 Transfer
Purchase                71,084              15.8200
Purchase                165                 15.8024
Purchase                23,979              15.8196
Purchase                33,164              15.8291
Purchase                50,003              15.9918
Purchase                2,500               16.1100
Purchase                121,850             15.8958
Purchase                80,964              15.8919
Purchase                125                 16.1097
Purchase                4,926               15.9128
Purchase                300                 16.0497
Purchase                300                 16.0276
Purchase                195                 16.0684
Purchase                1,079,156           15.9105
Purchase                17,257              15.8200
Purchase                12,574              15.8200
Purchase                544                 16.0400
Purchase                900                 15.7300
Purchase                216,387             15.8310
Purchase                20,240              15.8200
Purchase                9,608               15.8237
Sale                    97,624              15.8955
Sale                    345,000             15.8200
Sale                    900                 16.0100
Sale                    10,220              15.8565
Sale                    207,696             15.8727
Sale                    1,582               15.8175
Sale                    5,214               16.0243
Sale                    86,441              15.9202
Sale                    43,135              16.0004
Sale                    5,000               15.9702
Sale                    400                 15.7921
Sale                    17,257              15.8200
Sale                    4,326               16.1046
Sale                    4,922               15.8000
Sale                    250                 15.9621
Sale                    275                 16.0408
Sale                    25,044              15.8200
Sale                    63,060              15.8541
Sale                    350                 16.1016
Sale                    1,128               15.9141
Sale                    117,172             15.9001
Sale                    466,333             15.9579
Sale                    99,729              15.9804
Sale                    141                 Transfer
Sale                    26,061              15.9805
Sale                    95                  15.7542
Sale                    52                  16.0621
Sale                    174                 15.8603


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          1582          15.8174
CFD            Long          99837         15.82
CFD            Long          63060         15.854
CFD            Long          10220         15.8565
CFD            Long          207696        15.8726
CFD            Long          97624         15.8954
CFD            Long          117172        15.9
CFD            Long          1128          15.914
CFD            Long          86441         15.9202
CFD            Long          466333        15.9578
CFD            Long          5000          15.9702
CFD            Long          99729         15.9804
CFD            Long          30962         15.9811
CFD            Long          900           16.01
CFD            Long          5214          16.0243
CFD            Long          16846         16.0287
CFD            Long          1949          16.0452
CFD            Long          12173         16.0495
CFD            Short         165           15.8024
CFD            Short         23979         15.8196
CFD            Short         99837         15.82
CFD            Short         9608          15.8237
CFD            Short         3316          15.829
CFD            Short         216387        15.831
CFD            Short         80964         15.8918
CFD            Short         121850        15.8957
CFD            Short         14540         15.9025
CFD            Short         1079156       15.9104
CFD            Short         4926          15.9127
CFD            Short         50003         15.9917
CFD            Short         900           16.01


(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                         15 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                   950.0000         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                    1,500.0000       EURO           18/12/2009
Option            Purchased   250                    1,500.0000       EURO           18/12/2009
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   250                    1,700.0000       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