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               08 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     120,107,424     5.44%        949,826     0.04%
securities
(2) Derivatives    2,336,832     0.11%     18,520,352     0.84%
(other than
options)
(3) Options and        2,700     0.00%          1,000     0.00%
agreements to
purchase/sell
Total            122,446,956     5.55%     19,471,178     0.88%

(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           3,060               9.7250
Purchase           36,935              10.3300
Purchase           6,476               9.9269
Purchase           200,252             10.2892
Purchase           42,197              10.4105
Purchase           113,479             9.6718
Purchase           416                 10.3300
Purchase           24,853              10.0160
Purchase           34,287              10.1644
Purchase           806,007             10.1938
Purchase           5,335               10.1909
Purchase           3,328               10.9730
Purchase           25,661              10.1987
Purchase           14,439              10.2586
Purchase           1,189,756           10.1843
Purchase           98,062              9.7250
Purchase           36,263              9.9500
Purchase           78,408              10.3245
Purchase           1,403               10.3085
Purchase           1,059               10.1300
Purchase           9,592               9.7250
Purchase           1,047               10.6598
Purchase           33,066              9.7250
Purchase           36,740              10.3300
Purchase           3,674               9.7250
Purchase           45,925              9.7250
Purchase           381                 10.8200
Purchase           206,243             10.2997
Purchase           91,305              9.7250
Purchase           1,340               9.7250
Purchase           379,555             10.2981
Purchase           4,831               10.1091
Purchase           331                 10.3897
Purchase           3,033               9.9400
Purchase           200                 9.9500
Purchase           5,511               9.7250
Purchase           23,122              9.7250
Sale               324,392             10.3218
Sale               996                 Transfer
Sale               127                 10.0000
Sale               231                 9.9953
Sale               36,740              10.3817
Sale               177,070             10.2118
Sale               3,654               10.6093
Sale               163,339             10.5723
Sale               1,600               10.9650
Sale               7,325               10.1577
Sale               252                 10.0803
Sale               200                 10.0600
Sale               1,124               10.1309
Sale               720                 10.0200
Sale               300                 10.1203
Sale               73,400              10.3460
Sale               441,896             10.2048
Sale               24,106              10.2625
Sale               20,000              10.1285
Sale               90                  Transfer
Sale               194,000             10.2793
Sale               30,000              9.7250
Sale               2,000               10.1328
Sale               471                 Transfer
Sale               189                 9.9603
Sale               36,935              10.3300
Sale               61                  Transfer
Sale               195                 10.5300
Sale               14,439              10.2586
Sale               67                  10.0903
Sale               684                 9.9080
Sale               134,465             9.9935

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          20000         10.1284
CFD            Long          2000          10.1328
CFD            Long          7325          10.1577
CFD            Long          52907         10.1674
CFD            Long          441896        10.2047
CFD            Long          177070        10.2117
CFD            Long          14439         10.2585
CFD            Long          194000        10.2792
CFD            Long          73400         10.3459
CFD            Long          254236        10.3772
CFD            Long          66662         10.3808
CFD            Long          1282          10.423
CFD            Long          868           10.4231
CFD            Long          163339        10.5722
CFD            Long          3654          10.6093
CFD            Long          1600          10.965
CFD            Long          684           9.908
CFD            Long          17249         9.9782
CFD            Long          134465        9.9934
CFD            Short         24853         10.016
CFD            Short         14779         10.0484
CFD            Short         34287         10.1644
CFD            Short         1189756       10.1842
CFD            Short         58667         10.1908
CFD            Short         806007        10.1938
CFD            Short         25661         10.1986
CFD            Short         3640          10.2435
CFD            Short         14439         10.2585
CFD            Short         200252        10.2891
CFD            Short         206243        10.2996
CFD            Short         1403          10.3085
CFD            Short         78408         10.3244
CFD            Short         311444        10.3282
CFD            Short         42197         10.4104
CFD            Short         113479        9.6717
CFD            Short         2013          9.725
CFD            Short         6476          9.9268

(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                         09 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