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               13 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    107,984,633        4.89%     1,938,608     0.09%
securities
(2) Derivatives   2,229,894        0.10%     9,995,186     0.45%
(other than
options)
(3) Options and     502,700        0.02%       751,000     0.03%
agreements to
purchase/sell
Total           110,717,227        5.02%    12,684,794     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                36,556              15.1330
Purchase                151,225             15.0704
Purchase                124,047             15.0753
Purchase                85,182              15.0858
Purchase                87,188              15.3582
Purchase                3,776,013           Transfer
Purchase                1,079               14.6800
Purchase                12,402              15.1924
Purchase                89                  Transfer
Purchase                2,050               15.1341
Purchase                1,079               14.8500
Purchase                400                 15.1200
Purchase                12,252              15.1284
Purchase                87,188              15.3582
Purchase                27,600              14.6800
Purchase                168,559             15.0503
Purchase                21,000              15.1127
Purchase                112,680             15.0587
Purchase                259,137             15.0718
Purchase                5,888               15.1200
Purchase                27,600              15.1200
Purchase                127                 15.1138
Purchase                34                  15.1138
Purchase                200                 15.1488
Purchase                639                 15.1138
Purchase                1,014               15.1072
Purchase                240                 15.1497
Purchase                1,356               15.1200
Purchase                22,402              15.0723
Sale                    26,451              15.0691
Sale                    319                 Transfer
Sale                    27,600              14.6800
Sale                    101                 15.0842
Sale                    1,079               14.6800
Sale                    320                 15.1308
Sale                    746                 Transfer
Sale                    1,654               15.1176
Sale                    5,376               14.9912
Sale                    42,232              15.1156
Sale                    200,884             15.0279
Sale                    41,176              15.1589
Sale                    1,014               14.8576
Sale                    195,992             15.0943
Sale                    116,941             15.1127
Sale                    393                 15.0575
Sale                    1,612               15.1200
Sale                    5,888               15.1200
Sale                    682                 15.1066
Sale                    300                 15.1142
Sale                    240                 15.1412
Sale                    997                 15.0628
Sale                    17,000              14.9700
Sale                    122,819             15.0641
Sale                    89                  Transfer
Sale                    2,929               15.0644
Sale                    18,609              14.9912
Sale                    693                 Transfer
Sale                    7,500               Transfer
Sale                    258,860             15.0694
Sale                    27,600              15.1200
Sale                    3,776,013           Transfer
Sale                    8,522               14.9912
Sale                    802                 14.9178
Sale                    87,188              15.3582
Sale                    33,000              15.1200
Sale                    400                 15.1200

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          1014         14.8576
CFD            Long          802          14.9178
CFD            Long          17000        14.9699
CFD            Long          200884       15.0278
CFD            Long          393          15.0575
CFD            Long          122819       15.0641
CFD            Long          2929         15.0643
CFD            Long          33286        15.0681
CFD            Long          26451        15.069
CFD            Long          258860       15.0694
CFD            Long          195992       15.0942
CFD            Long          116941       15.1127
CFD            Long          42232        15.1155
CFD            Long          1654         15.1175
CFD            Long          400          15.12
CFD            Long          41176        15.1589
CFD            Short         168559       15.0502
CFD            Short         112680       15.0586
CFD            Short         151225       15.0704
CFD            Short         259137       15.0718
CFD            Short         124047       15.0752
CFD            Short         85182        15.0858
CFD            Short         1014         15.1072
CFD            Short         21000        15.1127
CFD            Short         400          15.12
CFD            Short         12252        15.1284
CFD            Short         36556        15.133
CFD            Short         2050         15.1341
CFD            Short         12402        15.1924
CFD            Short         87188        15.3581


(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                         14 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   -500                   950.0000         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   500,000                9.5000           EURO           19/12/2008
Option            Purchased   -500,000               9.5000           EURO           19/12/2008
Option            Purchased   -250,000               16.0000          AMER           19/09/2008
Option            Purchased   250                    1,500.0000       EURO           18/12/2009

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