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               01 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    110,009,973        4.98%     2,038,269     0.09%
securities
(2) Derivatives   2,435,232        0.11%    11,134,530     0.50%
(other than
options)
(3) Options and     502,700        0.02%       751,000     0.03%
agreements to
purchase/sell
Total           112,947,905        5.12%    13,923,799     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                336,490             16.9300
Purchase                49,669              16.2101
Purchase                1,123               16.1848
Purchase                2,905               16.1794
Purchase                7,386               16.1100
Purchase                814                 16.4026
Purchase                47                  16.0658
Purchase                40,200              16.1275
Purchase                29,038              16.3599
Purchase                102,113             16.2431
Purchase                161,941             16.1900
Purchase                92,538              16.1900
Purchase                200                 16.2500
Purchase                55,000              16.0500
Purchase                209,028             16.1671
Purchase                31,000              16.2230
Purchase                23,135              16.1900
Purchase                108,286             16.1881
Purchase                46,268              16.1900
Purchase                75,881              16.3500
Purchase                600                 16.3967
Purchase                889                 16.1848
Purchase                467                 16.1848
Purchase                1,887               16.0500
Purchase                2,206               16.1848
Purchase                3,628               16.1848
Purchase                2,504               16.1848
Purchase                213                 16.2458
Purchase                5,915               16.1848
Purchase                649                 16.1848
Purchase                7,479               16.0500
Purchase                134,374             16.1991
Purchase                20,494              16.0500
Purchase                27,884              16.1233
Purchase                4,406               16.1848
Purchase                2,000               16.1848
Sale                    571                 16.3124
Sale                    8,000               16.4274
Sale                    151,855             16.1819
Sale                    324                 16.8142
Sale                    160,840             16.1186
Sale                    26                  16.1421
Sale                    83,717              15.9867
Sale                    4,449               16.2563
Sale                    2,300               16.2425
Sale                    235,967             16.1041
Sale                    350,929             16.1809
Sale                    530                 16.3621
Sale                    16,696              16.0500
Sale                    41,099              16.1938
Sale                    100                 16.4321
Sale                    22,270              16.1057
Sale                    58,700              16.0590
Sale                    161,941             16.1900
Sale                    200                 16.2500
Sale                    325                 16.2042

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          83717         15.9866
CFD            Long          14441         16.0533
CFD            Long          58700         16.059
CFD            Long          235967        16.1041
CFD            Long          160840        16.1186
CFD            Long          870           16.1285
CFD            Long          35668         16.1617
CFD            Long          350929        16.1808
CFD            Long          151855        16.1818
CFD            Long          41099         16.1938
CFD            Long          5017          16.2145
CFD            Long          102           16.2333
CFD            Long          2300          16.2425
CFD            Long          200           16.25
CFD            Long          4449          16.2562
CFD            Long          571           16.3123
CFD            Long          8000          16.4273
CFD            Long          3588          16.4333
CFD            Short         12930         16.0011
CFD            Short         40200         16.1275
CFD            Short         209028        16.1671
CFD            Short         2905          16.1793
CFD            Short         108286        16.188
CFD            Short         134374        16.199
CFD            Short         49669         16.2101
CFD            Short         31000         16.223
CFD            Short         14954         16.2289
CFD            Short         102113        16.243
CFD            Short         200           16.25
CFD            Short         29038         16.3599
CFD            Short         814           16.4026

(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                         04 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