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               03 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     118,614,533     5.37%      1,044,214     0.05%
securities
(2) Derivatives    2,449,779     0.11%     17,628,011     0.80%
(other than
options)
(3) Options and        2,700     0.00%          1,000     0.00%
agreements to
purchase/sell
Total            121,067,012     5.49%     18,673,225     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           3,674               11.9115
Purchase           90                  12.0500
Purchase           4,060               11.8700
Purchase           3,199               11.4037
Purchase           290,827             11.6893
Purchase           87                  Transfer
Purchase           964,033             11.2819
Purchase           4,682               11.2800
Purchase           499                 11.5276
Purchase           76                  11.2600
Purchase           151                 11.4100
Purchase           63                  11.3000
Purchase           226,015             11.4342
Purchase           4,210               11.6635
Purchase           2,200               11.2677
Purchase           82,355              11.6736
Purchase           532                 11.4100
Purchase           89,400              11.2284
Purchase           1,167               11.7976
Purchase           88                  11.2500
Purchase           240,932             11.5041
Purchase           172                 11.2600
Purchase           656,307             11.3455
Purchase           57,397              11.8700
Purchase           200                 11.7800
Purchase           300                 11.2400
Purchase           35,924              12.5900
Purchase           4,989               11.8700
Purchase           23,717              10.9533
Purchase           3,028               11.2974
Purchase           2,674               11.2974
Purchase           971                 11.2974
Purchase           11,217              10.9533
Purchase           104,301             11.2100
Purchase           2,125               10.9533
Purchase           5,530               10.9533
Purchase           1,761               11.3135
Purchase           897                 11.2974
Purchase           800                 11.2300
Purchase           250                 11.4000
Purchase           2,677               11.8700
Purchase           26,646              10.9533
Purchase           8,893               11.2974
Sale               244                 11.3505
Sale               105,531             11.5778
Sale               386,253             11.4264
Sale               620                 11.4500
Sale               47,543              11.4675
Sale               39,275              11.6928
Sale               5,000               11.3783
Sale               104,301             11.2100
Sale               2,500               11.3392
Sale               499                 11.5276
Sale               87                  Transfer
Sale               141                 12.4605
Sale               6,168               11.8700
Sale               9,371               11.7216
Sale               800                 11.2305
Sale               46,168              11.8700
Sale               96                  11.2610
Sale               10,535              11.3067
Sale               325,333             11.4563
Sale               216                 12.3610
Sale               240,655             11.5074

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          2500          11.3392
CFD            Long          32441         11.3654
CFD            Long          5000          11.3782
CFD            Long          98711         11.3896
CFD            Long          386253        11.4263
CFD            Long          202183        11.4649
CFD            Long          47543         11.4675
CFD            Long          240655        11.5073
CFD            Long          499           11.5276
CFD            Long          105531        11.5777
CFD            Long          24439         11.6541
CFD            Long          39275         11.6927
CFD            Short         89400         11.2283
CFD            Short         10622         11.2354
CFD            Short         2200          11.2677
CFD            Short         22342         11.276
CFD            Short         964033        11.2818
CFD            Short         656307        11.3454
CFD            Short         26142         11.3544
CFD            Short         3199          11.4037
CFD            Short         189251        11.4563
CFD            Short         240932        11.504
CFD            Short         499           11.5276
CFD            Short         4210          11.6635
CFD            Short         82355         11.6735
CFD            Short         290827        11.6892
CFD            Short         1167          11.7976
CFD            Short         7465          11.87

(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                         06 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