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               27 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     107,314,869     4.86%      2,002,789     0.09%
securities
(2) Derivatives    2,635,739     0.12%      9,722,947     0.44%
(other than
options)
(3) Options and      502,700     0.02%        751,000     0.03%
agreements to
purchase/sell
Total            110,453,308     5.00%     12,476,736     0.57%


(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                57,572              16.8469
Purchase                185,316             16.7901
Purchase                9,830               16.7927
Purchase                27,590              16.8863
Purchase                200                 16.6700
Purchase                92,262              16.7979
Purchase                3,257               16.6846
Purchase                200                 16.7800
Purchase                282,111             16.8859
Purchase                689                 16.9528
Purchase                1,376               16.9800
Purchase                597                 16.9800
Purchase                332                 16.9409
Purchase                783                 16.9409
Purchase                1,015               16.9800
Purchase                49,059              16.7600
Purchase                20,375              16.9645
Sale                    122                 16.6230
Sale                    355,355             16.9152
Sale                    88,901              16.6369
Sale                    260                 16.8473
Sale                    31,620              16.8659
Sale                    59,776              16.7836
Sale                    11,000              16.9800
Sale                    2,800               16.3180
Sale                    221                 16.7315
Sale                    48,038              16.8443
Sale                    126                 16.4215
Sale                    200                 16.6700
Sale                    541                 16.9800
Sale                    77                  16.6615
Sale                    107,646             16.8817
Sale                    2,989               16.7100
Sale                    200                 16.7800
Sale                    600                 16.7703
Sale                    12,404              16.9800
Sale                    23,304              16.7425
Sale                    23,143              16.9648

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          2800          16.318
CFD            Long          88901         16.6368
CFD            Long          200           16.67
CFD            Long          200           16.78
CFD            Long          59776         16.7835
CFD            Long          48038         16.8443
CFD            Long          260           16.8473
CFD            Long          2643          16.8588
CFD            Long          31620         16.8659
CFD            Long          107646        16.8816
CFD            Long          355355        16.9152
CFD            Long          20500         16.9784
CFD            Short         200           16.67
CFD            Short         3257          16.6845
CFD            Short         200           16.78
CFD            Short         185316        16.79
CFD            Short         9830          16.7926
CFD            Short         92262         16.7978
CFD            Short         2000          16.8365
CFD            Short         57572         16.8468
CFD            Short         282111        16.8859
CFD            Short         25590         16.8901
CFD            Short         689           16.9528
CFD            Short         20375         16.9645

(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                         28 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