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               03 September 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     108,812,032     4.93%      1,459,826     0.07%
securities
(2) Derivatives    2,591,323     0.12%     10,522,092     0.48%
(other than
options)
(3) Options and      502,700     0.02%        751,000     0.03%
agreements to
purchase/sell
Total            111,906,055     5.07%     12,732,918     0.58%


(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                   31,045                15.3045
Purchase                   31,410                15.4543
Purchase                   241,546               15.3815
Purchase                   1,700                 15.3845
Purchase                   700                   15.5200
Purchase                   4,740                 15.3279
Purchase                   661                   15.2723
Purchase                   101,086               15.4004
Purchase                   18,231                15.3719
Purchase                   267,046               15.4723
Purchase                   800                   15.3825
Purchase                   174                   15.5500
Purchase                   13,900                15.8005
Purchase                   75                    15.8185
Purchase                   123,461               15.4637
Purchase                   2,000                 15.5297
Purchase                   6,132                 15.2700
Purchase                   67,078                15.3809
Purchase                   750                   15.3685
Purchase                   6,762                 15.2973
Purchase                   174                   15.5500
Purchase                   9,936                 15.2700
Purchase                   700                   15.2100
Purchase                   950                   15.1788
Sale                       3,138                 15.3581
Sale                       2,037                 15.5643
Sale                       200                   15.5603
Sale                       5,061                 15.2960
Sale                       124                   15.1815
Sale                       85                    15.9630
Sale                       102,558               15.4109
Sale                       2,301                 15.5484
Sale                       150,000               15.7546
Sale                       66,654                15.4216
Sale                       493                   15.5615
Sale                       136                   15.5215
Sale                       21,000                15.4248
Sale                       9,199                 15.5774
Sale                       1,027,492             15.3956
Sale                       67                    Transfer
Sale                       72,848                15.2516
Sale                       68                    15.5115
Sale                       350,311               15.4486
Sale                       149,352               15.4150
Sale                       3,229                 15.4600
Sale                       34,557                15.2617
Sale                       31                    15.8015
Sale                       240                   15.8015


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          72848         15.2515
CFD            Long          34557         15.2617
CFD            Long          12023         15.3509
CFD            Long          3138          15.3581
CFD            Long          1027492       15.3955
CFD            Long          102558        15.4109
CFD            Long          57484         15.4201
CFD            Long          79845         15.4209
CFD            Long          66654         15.4215
CFD            Long          21000         15.4248
CFD            Long          350311        15.4485
CFD            Long          2301          15.5483
CFD            Long          2037          15.5643
CFD            Long          9199          15.5773
CFD            Short         661           15.2722
CFD            Short         6762          15.2972
CFD            Short         31045         15.3044
CFD            Short         112969        15.321
CFD            Short         4740          15.3279
CFD            Short         3138          15.3582
CFD            Short         18231         15.3719
CFD            Short         67078         15.3809
CFD            Short         800           15.3825
CFD            Short         101086        15.4003
CFD            Short         128577        15.4345
CFD            Short         31410         15.4543
CFD            Short         123461        15.4636
CFD            Short         267046        15.4722
CFD            Short         700           15.52

(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 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