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               02 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     109,882,156     4.98%      1,219,952     0.06%
securities
(2) Derivatives    2,356,116     0.11%     11,230,628     0.51%
(other than
options)
(3) Options and      502,700     0.02%        751,000     0.03%
agreements to
purchase/sell
Total            112,740,972     5.11%     13,201,580     0.60%


(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                   1,200                 15.75
Purchase                   73                    16.877
Purchase                   697                   15.66
Purchase                   200                   15.76
Purchase                   39,739                15.8364
Purchase                   285                   15.76
Purchase                   1,100                 15.69
Purchase                   1,343                 15.69
Purchase                   121,537               15.8017
Purchase                   1,147,426             15.7912
Purchase                   206,660               15.7819
Purchase                   95                    16.967
Purchase                   5,570                 15.75
Purchase                   5,095                 15.7584
Purchase                   2,406                 15.76
Purchase                   158                   15.69
Purchase                   6,774                 15.76
Purchase                   1,778                 15.69
Purchase                   700                   15.73
Purchase                   1,393                 15.7
Purchase                   68                    15.75
Purchase                   200                   15.73
Purchase                   1,547                 15.69
Purchase                   96                    15.7
Purchase                   750                   15.69
Purchase                   15,097                15.7982
Purchase                   100                   15.76
Purchase                   478                   Transfer
Purchase                   268                   15.76
Purchase                   3,492                 15.73
Purchase                   1,000                 15.76
Purchase                   404,983               15.8589
Purchase                   2,700                 15.74
Purchase                   1,520                 15.74
Purchase                   793                   15.76
Purchase                   12,900                16.963
Purchase                   1,822                 15.75
Purchase                   64,281                15.8138
Purchase                   286                   15.76
Purchase                   5,351                 15.75
Purchase                   995                   15.75
Purchase                   6,402                 15.69
Purchase                   493                   15.69
Purchase                   1,600                 15.8353
Purchase                   12,611                15.73
Purchase                   190                   15.8126
Purchase                   262                   15.76
Purchase                   5,000                 15.69
Purchase                   1,500                 15.8566
Purchase                   1,190                 15.69
Purchase                   1,700                 15.7
Purchase                   549,964               16.717
Purchase                   101                   15.73
Purchase                   5,162                 15.75
Purchase                   4,800                 15.73
Purchase                   686                   15.69
Purchase                   49,834                16.7034
Purchase                   1,609                 15.75
Purchase                   285                   15.76
Purchase                   2,894                 15.76
Purchase                   8,547                 15.74
Purchase                   5,000                 15.69
Purchase                   800                   16.9503
Purchase                   2,210                 15.69
Purchase                   262,859               15.7959
Purchase                   2,607                 15.69
Purchase                   238                   15.74
Purchase                   2,835                 15.75
Purchase                   400                   16.6425
Purchase                   286                   15.76
Purchase                   1,320                 15.69
Purchase                   921                   15.73
Purchase                   2,507                 15.69
Purchase                   1,300                 15.7
Purchase                   700                   15.75
Purchase                   7                     15.74
Purchase                   1,857                 15.73
Purchase                   17,054                16.4845
Purchase                   24                    15.76
Purchase                   7,291                 15.74
Purchase                   1,207                 15.76
Purchase                   24                    15.76
Purchase                   1,951                 15.75
Purchase                   1,000                 15.7988
Purchase                   868                   15.8679
Purchase                   982                   15.868
Purchase                   607                   15.8679
Purchase                   1,758                 15.81
Purchase                   607                   15.8678
Purchase                   630                   15.8585
Purchase                   225                   15.8085
Purchase                   250                   15.8585
Purchase                   283                   Transfer
Purchase                   961                   15.74
Purchase                   3,376                 15.75
Purchase                   1,030                 15.75
Purchase                   980                   15.69
Purchase                   1,000                 15.73
Purchase                   54,256                15.8464
Purchase                   2,017                 15.73
Purchase                   1,588                 15.8124
Purchase                   74                    15.75
Purchase                   51,000                15.81
Purchase                   2,646                 15.73
Purchase                   4,290                 15.73
Purchase                   3,253                 15.74
Purchase                   10,330                16.5667
Purchase                   301                   15.76
Purchase                   1,793                 15.76
Purchase                   1,184                 15.74
Purchase                   1,161                 15.76
Purchase                   1,909                 15.75
Sale                       334,320               16.5976
Sale                       650                   15.8003
Sale                       520                   15.8403
Sale                       478                   Transfer
Sale                       220                   15.7803
Sale                       58,968                15.81
Sale                       178,414               16.6554
Sale                       20,311                17.18
Sale                       1,600                 15.7403
Sale                       171                   16.6715
Sale                       5,000                 15.73
Sale                       5,709                 15.93
Sale                       400                   16.6425
Sale                       700                   15.8703
Sale                       356,697               15.7988
Sale                       828                   15.7115
Sale                       597                   15.7915
Sale                       500                   15.8503
Sale                       311                   15.81
Sale                       54,256                15.8464
Sale                       103,760               15.7347
Sale                       156                   17.0015
Sale                       9,886                 16.825
Sale                       1,600                 15.8353
Sale                       46,777                16.7089
Sale                       135,145               15.7925
Sale                       122                   15.8174
Sale                       14,273                15.7971
Sale                       127                   17.023
Sale                       145                   16.673
Sale                       111,650               15.802
Sale                       320                   15.7803
Sale                       65,333                16.6955
Sale                       160,176               16.7062
Sale                       47,903                16.48
Sale                       175                   16.113
Sale                       252,488               16.5834
Sale                       500                   16.7072
Sale                       450                   15.7903
Sale                       61,989                15.8158
Sale                       250                   15.7603
Sale                       300                   16.4273
Sale                       12,000                15.7451



(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          103760        15.7346
CFD            Long          12000         15.7451
CFD            Long          135145        15.7925
CFD            Long          14273         15.797
CFD            Long          356697        15.7987
CFD            Long          111650        15.8019
CFD            Long          2542          15.8132
CFD            Long          61989         15.8158
CFD            Long          122           15.8173
CFD            Long          10577         15.8321
CFD            Long          1600          15.8353
CFD            Long          54256         15.8463
CFD            Long          5709          15.93
CFD            Short         4000          15.7434
CFD            Short         5095          15.7584
CFD            Short         206660        15.7818
CFD            Short         1147426       15.7912
CFD            Short         262859        15.7958
CFD            Short         15097         15.7982
CFD            Short         117537        15.8036
CFD            Short         1588          15.8123
CFD            Short         190           15.8125
CFD            Short         64281         15.8137
CFD            Short         1600          15.8353
CFD            Short         39739         15.8364
CFD            Short         54256         15.8463
CFD            Short         1500          15.8566
CFD            Short         404983        15.8588

(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                         03 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