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               09 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     119,598,238     5.42%      1,065,999     0.05%
securities
(2) Derivatives    2,412,878     0.11%     18,016,178     0.82%
(other than
options)
(3) Options and        2,700     0.00%          1,000     0.00%
agreements to
purchase/sell
Total            122,013,816     5.53%     19,083,177     0.86%

(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           600                 10.2000
Purchase           12,678              10.5415
Purchase           2,914               10.5100
Purchase           5,238               10.4500
Purchase           967                 10.5855
Purchase           1,950               10.4800
Purchase           1,950               10.4800
Purchase           1,000               10.2997
Purchase           2,412               10.3600
Purchase           287,251             10.4659
Purchase           25,704              10.0200
Purchase           27,701              10.6100
Purchase           9,233               10.3600
Purchase           61,681              10.3600
Purchase           3,087               10.2219
Purchase           1,008               10.6014
Purchase           129,069             10.4302
Purchase           305                 10.5397
Purchase           22,000              9.7250
Purchase           400                 10.5450
Purchase           6,820               10.6722
Purchase           4,441               10.3411
Purchase           788,011             10.4075
Purchase           257,585             10.4950
Purchase           14,650              10.4797
Purchase           126                 Transfer
Purchase           200,000             Transfer
Purchase           69                  10.5197
Purchase           5,504               10.4858
Purchase           12,500              10.3600
Purchase           25,000              10.0220
Purchase           72,568              10.4251
Purchase           1,827               10.6605
Purchase           768                 10.3389
Purchase           2,057               10.4900
Purchase           1,483               10.6583
Purchase           4,794               10.3600
Purchase           7,344               10.3600
Purchase           91,800              10.3600
Purchase           27,540              10.6100
Purchase           9,180               10.3600
Sale               30,127              10.8412
Sale               293,483             10.4606
Sale               22,000              9.7250
Sale               76                  10.6005
Sale               231                 Transfer
Sale               148,164             10.3496
Sale               27,540              10.6631
Sale               2,048               10.6293
Sale               299,214             10.5065
Sale               75                  10.2203
Sale               11,707              10.6380
Sale               126                 Transfer
Sale               634                 Transfer
Sale               19,871              10.4107
Sale               198                 Transfer
Sale               8,348               10.3600
Sale               6,630               10.3600
Sale               135,441             10.3600
Sale               300                 10.6703
Sale               712,977             10.5817
Sale               479                 Transfer
Sale               200,000             Transfer
Sale               7,200               10.7289
Sale               36                  10.7903
Sale               245,131             10.6283
Sale               14,650              10.4797
Sale               17,476              10.6064
Sale               400                 10.5450
Sale               25,000              10.5429
Sale               27,701              10.6100
Sale               29,425              10.3537
Sale               1,313               10.6367
Sale               200,000             Transfer

NB: The below transactions which were previously disclosed have been cancelled
Deal Date    Purchase/Sale      Number of Securities    Price per unit (GBP)
09/10/2008   Purchase           1,950                   10.4800

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          200000        0
CFD            Long          7079          10.262
CFD            Long          148164        10.3496
CFD            Long          293483        10.4605
CFD            Long          14650         10.4797
CFD            Long          2138          10.48
CFD            Long          243445        10.4962
CFD            Long          25000         10.5428
CFD            Long          43431         10.5438
CFD            Long          400           10.545
CFD            Long          150450        10.572
CFD            Long          12338         10.5762
CFD            Long          712977        10.5816
CFD            Long          17476         10.6063
CFD            Long          8939          10.6101
CFD            Long          245131        10.6283
CFD            Long          2048          10.6292
CFD            Long          1313          10.6367
CFD            Long          475           10.6584
CFD            Long          7200          10.7289
CFD            Long          30127         10.8411
CFD            Short         25000         10.022
CFD            Short         600           10.2
CFD            Short         3087          10.2219
CFD            Short         768           10.3389
CFD            Short         788011        10.4075
CFD            Short         72568         10.4251
CFD            Short         129069        10.4302
CFD            Short         287251        10.4659
CFD            Short         215299        10.4896
CFD            Short         42286         10.5225
CFD            Short         400           10.545
CFD            Short         1008          10.6013
CFD            Short         1827          10.6605
CFD            Short         6820          10.6722
CFD            Short         12050         10.7637

(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                         10 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