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               26 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     114,244,703     5.18%      2,114,781     0.10%
securities
(2) Derivatives    3,382,944     0.15%     14,997,557     0.68%
(other than
options)
(3) Options and        2,700     0.00%          1,000     0.00%
agreements to
purchase/sell
Total            117,630,347     5.33%     17,113,338     0.78%

(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           2,583               13.6914
Purchase           200                 13.9123
Purchase           297,655             13.8516
Purchase           27,200              13.9128
Purchase           18,390              13.6900
Purchase           12,900              13.9128
Purchase           54,854              13.8137
Purchase           143,300             13.7359
Purchase           47,616              13.9041
Purchase           100                 13.8400
Purchase           811                 Transfer
Purchase           7,600               13.9128
Purchase           46,437              13.8185
Purchase           531,583             13.8813
Purchase           7,900               13.9128
Purchase           2,690               13.8571
Purchase           50,000              13.6900
Purchase           36,500              14.0527
Purchase           86,840              13.8885
Purchase           82,800              13.7000
Purchase           375                 14.0300
Purchase           1,250               14.0300
Purchase           215                 14.0300
Purchase           215                 14.0300
Purchase           215                 14.0300
Purchase           28,800              13.7000
Purchase           415                 14.0300
Purchase           215                 14.0300
Purchase           150                 13.8600
Purchase           350                 14.0300
Purchase           4,003               13.6900
Purchase           215                 14.0300
Purchase           285                 14.0300
Sale               811                 Transfer
Sale               88                  14.0205
Sale               109                 14.0410
Sale               4,057               13.8669
Sale               5,412               14.3800
Sale               152,302             13.8525
Sale               179                 13.9005
Sale               100                 13.8400
Sale               8,024               13.8907
Sale               1,052               13.9400
Sale               89,638              13.9237
Sale               151                 14.3710
Sale               44,277              13.8510
Sale               11,908              13.6900
Sale               84,607              13.9057
Sale               170                 Transfer
Sale               460                 13.8510
Sale               2,349               13.9844
Sale               215                 14.4005
Sale               4,000               13.9329
Sale               315                 Transfer
Sale               84,317              13.9270
Sale               23                  14.3905
Sale               185                 14.3510
Sale               391,364             13.9060

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          50977         13.7272
CFD            Long          100           13.84
CFD            Long          44277         13.8509
CFD            Long          1000          13.8591
CFD            Long          4057          13.8668
CFD            Long          1403          13.8745
CFD            Long          8024          13.8907
CFD            Long          84607         13.9056
CFD            Long          391364        13.906
CFD            Long          100325        13.916
CFD            Long          89638         13.9236
CFD            Long          27429         13.925
CFD            Long          84317         13.927
CFD            Long          4000          13.9329
CFD            Long          2349          13.9844
CFD            Short         2583          13.6913
CFD            Short         143300        13.7358
CFD            Short         54854         13.8136
CFD            Short         46437         13.8185
CFD            Short         192519        13.8285
CFD            Short         100           13.84
CFD            Short         2690          13.8571
CFD            Short         17012         13.8792
CFD            Short         17527         13.8793
CFD            Short         531583        13.8812
CFD            Short         86840         13.8885
CFD            Short         88580         13.8934
CFD            Short         16556         13.8952
CFD            Short         47616         13.904
CFD            Short         200           13.9123
CFD            Short         36500         14.0527

(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 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                   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