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               08 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    108,412,180        4.91%     2,156,298     0.10%
securities
(2) Derivatives   2,497,799        0.11%     9,976,759     0.45%
(other than
options)
(3) Options and     502,700        0.02%       751,000     0.03%
agreements to
purchase/sell
Total           111,412,679        5.05%    12,884,057     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                1,122               15.1100
Purchase                119,388             14.9996
Purchase                42,340              15.1674
Purchase                92,538              15.0200
Purchase                307                 Transfer
Purchase                89                  Transfer
Purchase                938                 15.1724
Purchase                1,400               15.0886
Purchase                35,494              14.9953
Purchase                21,800              15.0441
Purchase                92,538              15.0200
Purchase                570                 15.3525
Purchase                46,269              15.0200
Purchase                76,573              15.1106
Purchase                92,538              15.0200
Purchase                323,883             15.0200
Purchase                8,314               15.0506
Purchase                150                 15.2158
Purchase                2,030               15.1100
Purchase                9,171               15.1100
Purchase                22,679              15.0858
Purchase                40,000              15.3253
Purchase                1,500               14.9688
Purchase                71,085              15.1100
Purchase                19,000              15.1100
Purchase                64,478              15.1100
Purchase                4,862               15.0856
Sale                    263,905             15.0326
Sale                    307                 Transfer
Sale                    971,360             15.0196
Sale                    109                 15.7542
Sale                    19,609              15.0585
Sale                    119                 Transfer
Sale                    323,883             15.0200
Sale                    307                 15.1821
Sale                    938                 15.0675
Sale                    2,504               15.1076
Sale                    71,400              15.0280
Sale                    4,583               15.1100
Sale                    303                 15.2125
Sale                    500                 14.9021
Sale                    64,478              15.1100
Sale                    2,058               15.1100
Sale                    89                  Transfer
Sale                    1,400               15.0886
Sale                    4,503               15.0453
Sale                    271                 Transfer
Sale                    27,000              15.2554
Sale                    2,490               14.9206
Sale                    259                 15.0400
Sale                    153,919             15.0730
Sale                    8,634               15.1081
Sale                    244                 15.7735
Sale                    197,762             15.0628
Sale                    72,845              15.1256
Sale                    234,593             14.9310
Sale                    121,496             14.9256
Sale                    53                  Transfer
Sale                    114                 15.4900
Sale                    500                 15.2221

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          121496        14.9255
CFD            Long          234593        14.931
CFD            Long          971360        15.0196
CFD            Long          263905        15.0326
CFD            Long          19609         15.0584
CFD            Long          197762        15.0627
CFD            Long          938           15.0674
CFD            Long          153919        15.073
CFD            Long          1400          15.0885
CFD            Long          8362          15.1036
CFD            Long          2504          15.1075
CFD            Long          8634          15.1081
CFD            Long          13877         15.1131
CFD            Long          10518         15.1224
CFD            Long          72845         15.1255
CFD            Long          1898          15.138
CFD            Long          27000         15.2554
CFD            Short         35494         14.9953
CFD            Short         119388        14.9995
CFD            Short         9924          15.0218
CFD            Short         21800         15.044
CFD            Short         8314          15.0505
CFD            Short         1400          15.0885
CFD            Short         76573         15.1105
CFD            Short         12755         15.1356
CFD            Short         42340         15.1673
CFD            Short         938           15.1724
CFD            Short         40000         15.3253
CFD            Short         570           15.3524

(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                         11 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