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               01 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     116,848,690     5.29%      1,781,519     0.08%
securities
(2) Derivatives    3,123,046     0.14%     16,817,421     0.76%
(other than
options)
(3) Options and        2,700     0.00%          1,000     0.00%
agreements to
purchase/sell
Total            119,974,436     5.44%     18,599,940     0.84%

(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           1,950               12.8677
Purchase           1,694               13.2201
Purchase           70,237              12.0900
Purchase           117                 12.2700
Purchase           46,169              12.1900
Purchase           500                 12.1900
Purchase           2,502               13.0356
Purchase           39                  12.6400
Purchase           35,492              12.5503
Purchase           143                 12.4600
Purchase           631,845             12.3656
Purchase           15,500              12.6500
Purchase           917                 13.2201
Purchase           23,000              12.5900
Purchase           233                 13.0100
Purchase           10,000              12.9519
Purchase           22,948              12.5998
Purchase           184,675             12.0500
Purchase           477                 12.3500
Purchase           106,265             12.0985
Purchase           220,326             12.4335
Purchase           144,593             12.6693
Purchase           1,620               13.0300
Purchase           50,000              12.0900
Purchase           100                 13.1200
Purchase           393,239             12.5454
Purchase           156,010             12.7110
Purchase           1,952               13.2465
Purchase           21,672              13.0356
Purchase           2,212               13.0356
Purchase           3,034               12.0900
Purchase           37,066              12.0900
Purchase           870                 12.0900
Purchase           4,596               13.0356
Purchase           7,790               13.0356
Purchase           3,027               13.0356
Purchase           1,192               13.0300
Purchase           2,095               13.0356
Purchase           2,979               13.0356
Purchase           4,033               13.0356
Purchase           1,929               13.0356
Purchase           9,532               12.0900
Purchase           36,760              12.0900
Purchase           12,341              13.2201
Purchase           320                 13.0800
Purchase           150                 13.0400
Purchase           1,356               12.0900
Purchase           2,887               13.0356
Purchase           1,302               13.2201
Purchase           1,350               13.2201
Purchase           186,500             12.0900
Sale               4,122               12.9950
Sale               2,458               13.0300
Sale               13,600              12.0900
Sale               3,560               13.2269
Sale               20,000              12.9800
Sale               24,038              12.0900
Sale               5,303               12.9950
Sale               740                 13.0300
Sale               1,950               13.0380
Sale               953                 13.0300
Sale               500                 13.0239
Sale               100                 13.1200
Sale               186,900             12.6126
Sale               248                 12.3805
Sale               14,000              13.1016
Sale               147,829             12.6342
Sale               200                 13.0010
Sale               20,000              12.3087
Sale               251,039             12.6250
Sale               82,700              12.5968
Sale               227,606             12.8879
Sale               23,000              12.5900
Sale               1,440               13.2145
Sale               14,286              12.5900
Sale               167                 12.3400
Sale               13,688              12.9950

NB: The below transactions which were previously disclosed have been cancelled
Deal Date     Purchase/Sale     Number of Securities    Price per unit (GBP)
30/09/2008    Purchase          14,000                  11.7977

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          104832        12.2819
CFD            Long          20000         12.3086
CFD            Long          82700         12.5967
CFD            Long          186900        12.6125
CFD            Long          147829        12.6342
CFD            Long          133024        12.8577
CFD            Long          227606        12.8878
CFD            Long          13183         13.0042
CFD            Long          500           13.0239
CFD            Long          1950          13.038
CFD            Long          14000         13.1016
CFD            Long          100           13.12
CFD            Long          1440          13.2145
CFD            Long          3560          13.2268
CFD            Short         2000          11.9408
CFD            Short         9894          12.09
CFD            Short         106265        12.0984
CFD            Short         232086        12.3578
CFD            Short         631845        12.3655
CFD            Short         220326        12.4335
CFD            Short         35492         12.5502
CFD            Short         22948         12.5997
CFD            Short         144593        12.6692
CFD            Short         156010        12.7109
CFD            Short         159153        12.8264
CFD            Short         1950          12.8676
CFD            Short         10000         12.9519
CFD            Short         100           13.12

NB: The below transactions which were previously disclosed have been cancelled
Deal Date     Long/Short      Number of Securities       Price per unit (GBP)
30/09/2008    Short           14,000                     11.7977

(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                         02 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