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               06 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     118,833,749     5.38%      1,053,584     0.05%
securities
(2) Derivatives    2,496,410     0.11%     17,647,011     0.80%
(other than
options)
(3) Options and        2,700     0.00%          1,000     0.00%
agreements to
purchase/sell
Total            121,332,859     5.50%     18,701,595     0.85%

(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           580                 11.5742
Purchase           10,000              11.2262
Purchase           127                 11.2900
Purchase           870                 11.5742
Purchase           3,420               10.8923
Purchase           332,065             10.5450
Purchase           1,100               10.6100
Purchase           48                  10.7797
Purchase           668,801             10.7031
Purchase           30,000              10.8941
Purchase           14,030              11.5742
Purchase           2,030               10.7000
Purchase           8,893               10.8247
Purchase           319,814             10.8247
Purchase           116                 11.2600
Purchase           76                  11.4000
Purchase           253,737             10.8170
Purchase           238,113             10.7562
Purchase           219,200             12.9151
Purchase           1,006               10.8316
Purchase           8,500               10.7915
Purchase           1,500               10.8027
Purchase           1,954               10.8453
Purchase           125                 10.8697
Purchase           12,000              11.5742
Purchase           59                  11.4100
Purchase           91,906              10.4720
Purchase           580                 11.5742
Purchase           9,019               10.6758
Purchase           69                  11.4100
Purchase           88                  11.2800
Purchase           147                 10.7897
Purchase           673                 10.7000
Purchase           100                 10.7897
Purchase           4,003               10.8814
Purchase           19,939              10.8814
Purchase           66,386              10.8814
Purchase           1,827               10.8800
Purchase           200                 10.7697
Purchase           450                 10.8397
Purchase           1,939               10.8814
Purchase           3,566               10.8814
Purchase           1,297               10.8814
Purchase           52                  11.2800
Purchase           500                 10.8597
Purchase           104,731             10.7000
Purchase           314                 10.7000
Purchase           1,211               10.8814
Purchase           4,219               10.7000
Purchase           1,635               10.8814
Purchase           21,073              10.7000
Purchase           23,894              11.8700
Purchase           1,816               10.7000
Purchase           1,480               10.5212
Purchase           21,073              10.7000
Purchase           2,775               10.8814
Purchase           443                 11.2600
Sale               21,073              10.7000
Sale               58,832              10.8186
Sale               253,695             10.8188
Sale               90,363              12.0900
Sale               332,065             10.5492
Sale               7,194               11.8700
Sale               153                 10.8305
Sale               225,149             10.7564
Sale               634                 10.8900
Sale               17,709              10.8186
Sale               180,383             10.8093
Sale               80,422              10.7687
Sale               49,157              10.8557
Sale               52,759              10.7729
Sale               700                 10.7400
Sale               730                 10.7203
Sale               64,636              10.7000
Sale               22,795              10.8186
Sale               17,100              10.6195
Sale               87                  10.9105
Sale               530                 10.7303
Sale               1,000               10.7782
Sale               1,500               10.8027
Sale               704,216             10.7018
Sale               22,113              10.7000
Sale               86,775              10.8234
Sale               4,583               10.7489

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          17100         10.6195
CFD            Long          704216        10.7018
CFD            Long          183181        10.7389
CFD            Long          700           10.74
CFD            Long          4583          10.7489
CFD            Long          17404         10.7631
CFD            Long          80422         10.7686
CFD            Long          52759         10.7728
CFD            Long          1000          10.7782
CFD            Long          1500          10.8026
CFD            Long          180383        10.8093
CFD            Long          6222          10.8151
CFD            Long          253695        10.8188
CFD            Long          35746         10.8353
CFD            Long          49157         10.8556
CFD            Long          634           10.89
CFD            Short         91906         10.472
CFD            Short         1100          10.61
CFD            Short         9019          10.6758
CFD            Short         668801        10.7031
CFD            Short         10143         10.7364
CFD            Short         196134        10.7485
CFD            Short         6000          10.7573
CFD            Short         8500          10.7915
CFD            Short         35979         10.7979
CFD            Short         1500          10.8026
CFD            Short         253737        10.8169
CFD            Short         319814        10.8246
CFD            Short         8893          10.8247
CFD            Short         1006          10.8316
CFD            Short         1954          10.8453
CFD            Short         3420          10.8923
CFD            Short         10000         11.2262
CFD            Short         219200        12.915

(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                         07 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   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