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               28 July 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    109,542,196       4.96%      1,675,108     0.08%
securities
(2) Derivatives   1,923,270       0.09%     11,561,898     0.52%
(other than
options)
(3) Options and     502,700        0.02%       751,000     0.03%
agreements to
purchase/sell
Total           111,968,166        5.07%    13,988,006     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                463                 16.1179
Purchase                4,879               16.2926
Purchase                79,075              16.1505
Purchase                15,681              16.1443
Purchase                12,227              15.9440
Purchase                894                 16.2015
Purchase                747                 16.0079
Purchase                85,000              16.0582
Purchase                184,994             16.1100
Purchase                4,869               16.2664
Purchase                184,644             16.1668
Purchase                709                 16.0779
Purchase                1,164               16.1393
Purchase                83,419              16.2006
Purchase                13,000              16.2200
Purchase                993                 15.5300
Purchase                60,000              16.1900
Purchase                1,700               16.1118
Purchase                38,300              16.2149
Purchase                60,000              16.1900
Purchase                733                 16.1979
Purchase                80,823              16.1688
Purchase                12,470              16.2200
Purchase                6,596               16.2200
Purchase                76,762              16.2200
Purchase                1,060               16.0800
Purchase                4,780               16.0026
Purchase                1,400               16.0000
Purchase                5,932               16.1649
Purchase                90                  Transfer
Purchase                601                 16.0000
Purchase                550                 16.0558
Purchase                600                 16.1227
Purchase                4,988               16.2200
Purchase                107                 Transfer
Sale                    107,255             15.9958
Sale                    350                 16.1625
Sale                    4,745               16.2200
Sale                    19,158              15.9570
Sale                    308                 16.2200
Sale                    13,908              16.0600
Sale                    15,475              15.6728
Sale                    894                 15.9974
Sale                    600                 15.9174
Sale                    4,561               15.6728
Sale                    60,000              16.1900
Sale                    993                 15.5300
Sale                    325                 15.8721
Sale                    220,636             15.9943
Sale                    6,814               15.6728
Sale                    88,062              16.0066
Sale                    254                 15.5221
Sale                    483                 16.1173
Sale                    3,085               16.2174
Sale                    107                 Transfer
Sale                    650                 16.2125
Sale                    5,000               15.8975
Sale                    17,343              16.1519
Sale                    195                 Transfer
Sale                    4,272               15.9037
Sale                    90                  Transfer
Sale                    1,700               16.1118
Sale                    72,687              16.1928

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          5000          15.8974
CFD            Long          4272          15.9036
CFD            Long          600           15.9174
CFD            Long          19158         15.957
CFD            Long          220636        15.9943
CFD            Long          107255        15.9958
CFD            Long          894           15.9974
CFD            Long          88062         16.0065
CFD            Long          5296          16.0996
CFD            Long          1700          16.1117
CFD            Long          483           16.1173
CFD            Long          17343         16.1519
CFD            Long          72687         16.1927
CFD            Long          3085          16.2174
CFD            Long          4745          16.22
CFD            Long          43376         16.2249
CFD            Short         4780          16.0025
CFD            Short         85000         16.0582
CFD            Short         1700          16.1117
CFD            Short         600           16.1227
CFD            Short         1164          16.1393
CFD            Short         15681         16.1442
CFD            Short         79075         16.1505
CFD            Short         5932          16.1649
CFD            Short         184644        16.1667
CFD            Short         80823         16.1688
CFD            Short         6800          16.1788
CFD            Short         60000         16.19
CFD            Short         83419         16.2006
CFD            Short         894           16.2015
CFD            Short         31500         16.2227
CFD            Short         4869          16.2664
CFD            Short         4879          16.2926

(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                         29 July 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   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                    1,700.0000       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   250                    1,900.0000       EURO           18/12/2009
Option            Purchased   250                    1,900.0000       EURO           18/12/2009
Option            Purchased   -500                   950.0000         EURO           19/12/2008
Option            Purchased   -500                   950.0000         EURO           19/12/2008
Option            Purchased   -250,000               16.0000          AMER           19/09/2008
Option            Purchased   -500,000               9.5000           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