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 October 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     117,076,753     5.30%      1,147,632     0.05%
securities
(2) Derivatives    2,563,499     0.12%     16,334,374     0.74%
(other than
options)
(3) Options and        2,700     0.00%          1,000     0.00%
agreements to
purchase/sell
Total            119,642,952     5.42%     17,483,006     0.79%

(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           610,902             12.2373
Purchase           3,505               11.2100
Purchase           3,505               11.2100
Purchase           11,988              11.7611
Purchase           734                 12.1100
Purchase           157,870             11.9648
Purchase           176,654             11.3117
Purchase           2,605               12.0445
Purchase           33,342              11.7023
Purchase           45                  13.2500
Purchase           1,102,475           11.9441
Purchase           4,798               11.2100
Purchase           4,246               11.9172
Purchase           82                  13.2400
Purchase           288,003             12.1808
Purchase           25,333              12.3516
Purchase           305,039             11.5129
Purchase           9,920               12.4419
Purchase           74,999              11.7394
Purchase           4,682               11.8700
Purchase           900                 11.6800
Purchase           26,366              12.1006
Purchase           179                 12.7400
Purchase           3,100               12.3378
Purchase           286,035             36.9943
Purchase           44,649              11.6623
Purchase           34,743              11.7589
Purchase           5,500               11.3200
Purchase           979                 11.7501
Purchase           2,712               11.2100
Purchase           7,162               11.7501
Purchase           3,839               11.7501
Purchase           5,678               11.7501
Purchase           2,311               11.7501
Purchase           2,633               11.7501
Purchase           8,285               11.7501
Purchase           8,272               12.1396
Purchase           116,059             11.7592
Purchase           2,666               Transfer
Purchase           708                 11.2100
Purchase           282,138             11.7803
Sale               1,102,475           11.9441
Sale               825                 11.9284
Sale               24,646              11.3139
Sale               326,005             11.7258
Sale               7,000               12.3781
Sale               52,038              11.9536
Sale               500                 12.5850
Sale               154,269             11.9495
Sale               596                 11.7181
Sale               189                 12.1005
Sale               3,326               11.7406
Sale               1,102,475           11.9441
Sale               300                 12.3315
Sale               2,585               11.7406
Sale               900                 11.6800
Sale               63                  12.3105
Sale               63,593              11.3139
Sale               170                 12.4305
Sale               719                 Transfer
Sale               7,875               11.2100
Sale               19,151              11.3139
Sale               8,580               11.7406
Sale               7,212               12.4895
Sale               651                 11.2100
Sale               13,900              12.5640
Sale               5,000               12.2282
Sale               250                 12.3805
Sale               41,000              11.3587
Sale               1,211               12.6600
Sale               74,999              11.7394
Sale               151                 Transfer
Sale               53                  11.9400
Sale               162,072             12.0751
Sale               252,599             11.9829
Sale               200                 12.3315


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          41000         11.3586
CFD            Long          180851        11.5282
CFD            Long          900           11.68
CFD            Long          596           11.7181
CFD            Long          74999         11.7394
CFD            Long          35936         11.8184
CFD            Long          16950         11.9172
CFD            Long          825           11.9284
CFD            Long          1102475       11.9441
CFD            Long          154269        11.9495
CFD            Long          52038         11.9536
CFD            Long          145154        11.9718
CFD            Long          252599        11.9829
CFD            Long          162072        12.0751
CFD            Long          2872          12.0945
CFD            Long          5000          12.2281
CFD            Long          9037          12.3452
CFD            Long          7000          12.3781
CFD            Long          7212          12.4894
CFD            Long          1211          12.66
CFD            Short         176654        11.3116
CFD            Short         305039        11.5128
CFD            Short         122056        11.586
CFD            Short         44649         11.6622
CFD            Short         900           11.68
CFD            Short         33342         11.7022
CFD            Short         74999         11.7394
CFD            Short         137182        11.9046
CFD            Short         4246          11.9171
CFD            Short         157870        11.9647
CFD            Short         22900         12.0701
CFD            Short         26366         12.1006
CFD            Short         288003        12.1807
CFD            Short         610902        12.2372
CFD            Short         3100          12.3378
CFD            Short         25333         12.3515
CFD            Short         9920          12.4418
CFD            Short         286035        36.9943


(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 October 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   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