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               21 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     116,475,860     5.28%      1,752,820     0.08%
securities
(2) Derivatives    3,479,935     0.16%     14,392,432     0.65%
(other than
options)
(3) Options and        2,700     0.00%          1,000     0.00%
agreements to
purchase/sell
Total            119,958,495     5.44%     16,146,252     0.73%

(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           23,612              9.7953
Purchase           1,026               10.0093
Purchase           2,024               10.0095
Purchase           2,741               9.8060
Purchase           2,468               9.8060
Purchase           12,252              10.0096
Purchase           600                 10.0797
Purchase           2,703               10.2000
Purchase           355,695             9.8280
Purchase           126                 9.4697
Purchase           6,017               9.6955
Purchase           51,608              9.6889
Purchase           1,000               9.8256
Purchase           1,313               10.0095
Purchase           861                 10.0497
Purchase           369                 10.0300
Purchase           64                  9.3400
Purchase           347,806             9.7745
Purchase           5,143               9.8785
Purchase           159                 9.3647
Purchase           159                 9.3300
Purchase           86                  9.6397
Purchase           16,851              9.7150
Purchase           93,512              9.6498
Purchase           85,000              10.0300
Purchase           1                   9.5100
Purchase           57,901              9.7776
Purchase           26,776              9.8645
Purchase           400                 9.8450
Purchase           5,552               9.8060
Purchase           758                 9.8060
Purchase           7,145               10.2000
Purchase           6,677               9.8060
Purchase           9,588               9.6700
Purchase           3,054               9.8166
Purchase           8,227               10.0096
Purchase           12,843              9.8060
Purchase           20,405              9.8060
Purchase           11,985              9.8060
Purchase           3,352               9.8060
Purchase           10,834              9.8060
Purchase           2,971               9.8060
Purchase           885                 10.2000
Purchase           5,851               10.0096
Purchase           45,202              9.6700
Purchase           279                 9.7347
Purchase           1,627               9.8060
Purchase           3,806               10.0095
Purchase           8,189               9.8060
Purchase           3,033               10.0095
Purchase           35,152              9.8060
Purchase           4,478               9.8060
Purchase           6,966               9.8060
Purchase           27,267              10.0096
Purchase           20,030              9.8060
Purchase           1,095               10.0092
Purchase           10,435              10.0096
Sale               7,900               9.8150
Sale               65,000              9.6700
Sale               277                 Transfer
Sale               1,000               10.1785
Sale               400                 9.8450
Sale               436                 10.0215
Sale               1,863,360           9.8283
Sale               112                 Transfer
Sale               130                 9.4103
Sale               28                  9.3605
Sale               50,045              9.6862
Sale               651                 Transfer
Sale               323,416             9.7899
Sale               15,187              10.0744
Sale               254                 Transfer
Sale               56,299              9.7745
Sale               2,400               10.1200
Sale               333,913             9.8967
Sale               1                   9.5100
Sale               75                  9.7105
Sale               3,809               9.5014
Sale               61,000              10.0308
Sale               103,073             9.9990
Sale               9,987               9.8919
Sale               358                 Transfer
Sale               134,013             9.7251
Sale               397                 Transfer
Sale               110                 9.6205

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          436           10.0214
CFD            Long          61000         10.0307
CFD            Long          15187         10.0743
CFD            Long          1000          10.1785
CFD            Long          3809          9.5014
CFD            Long          1             9.51
CFD            Long          50045         9.6862
CFD            Long          134013        9.7251
CFD            Long          78072         9.7283
CFD            Long          6003          9.7736
CFD            Long          56299         9.7745
CFD            Long          11201         9.7747
CFD            Long          28255         9.7749
CFD            Long          240800        9.8068
CFD            Long          7900          9.815
CFD            Long          1863360       9.8282
CFD            Long          400           9.845
CFD            Long          9987          9.8918
CFD            Long          333913        9.8966
CFD            Long          4544          9.9489
CFD            Long          103073        9.9989
CFD            Short         1             9.51
CFD            Short         93512         9.6497
CFD            Short         15800         9.6613
CFD            Short         51608         9.6888
CFD            Short         6017          9.6954
CFD            Short         16851         9.715
CFD            Short         105692        9.7443
CFD            Short         57901         9.7776
CFD            Short         23612         9.7952
CFD            Short         226314        9.7964
CFD            Short         1000          9.8255
CFD            Short         355695        9.8279
CFD            Short         400           9.845
CFD            Short         26776         9.8645
CFD            Short         5143          9.8784

(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                         22 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