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               20 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     118,133,532     5.35%      1,577,373     0.07%
securities
(2) Derivatives    3,259,029     0.15%     16,194,502     0.73%
(other than
options)
(3) Options and        2,700     0.00%          1,000     0.00%
agreements to
purchase/sell
Total            121,395,261     5.50%     17,772,875     0.81%

(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           2,970               9.3376
Purchase           17,183              8.5804
Purchase           2,932               9.2486
Purchase           300                 9.6316
Purchase           1,650               8.9550
Purchase           5,795               9.3043
Purchase           154,552             9.7450
Purchase           580                 8.6696
Purchase           399                 9.5750
Purchase           3,050               9.4000
Purchase           29,904              8.6600
Purchase           19,312              9.4670
Purchase           5,488               8.9550
Purchase           1,386               9.2015
Purchase           1,015               9.7450
Purchase           180                 Transfer
Purchase           19,253              8.9550
Purchase           2,397               9.7450
Purchase           47,940              9.4000
Purchase           4,794               9.7450
Purchase           4,790               8.9550
Purchase           5,505               9.7450
Purchase           23,855              9.7450
Purchase           22,152              9.2486
Purchase           3,902               9.2486
Purchase           6,329               9.7450
Purchase           1,463               9.2486
Purchase           2,631               9.4000
Purchase           2,030               9.7450
Purchase           28,928              9.7450
Purchase           923                 9.2400
Purchase           111                 9.3497
Purchase           580                 8.6696
Purchase           103,116             9.6207
Purchase           26,060              9.4425
Purchase           499                 9.1400
Purchase           8,217               9.5927
Purchase           300                 9.3000
Purchase           183,450             9.4003
Purchase           19,245              9.3043
Purchase           12,000              8.6696
Purchase           9,459               9.5010
Purchase           7,984               9.7450
Purchase           7,459               9.3043
Purchase           2,896               9.2486
Purchase           2,720               9.2486
Purchase           3,600               9.5768
Purchase           870                 8.6696
Purchase           73,710              9.7450
Purchase           51,800              9.4951
Purchase           1,600               9.5100
Purchase           10,753              9.2486
Purchase           14,030              8.6696
Purchase           620,686             9.4837
Purchase           11,167              9.7450
Purchase           10,580              9.4839
Sale               300                 9.3000
Sale               500                 9.5903
Sale               1,088,779           9.4846
Sale               5,488               8.9550
Sale               609,540             9.3299
Sale               722,782             9.4337
Sale               1,650               8.9550
Sale               121,149             9.4627
Sale               12,308              9.3475
Sale               190                 9.2505
Sale               34,477              9.5226
Sale               180                 Transfer
Sale               399                 9.5750
Sale               100,832             9.7450
Sale               368,913             9.4075
Sale               2,000               9.4586
Sale               300,000             Transfer
Sale               793                 9.3995
Sale               1,802               9.2261
Sale               20,637              9.4734
Sale               30,000              9.4453
Sale               1,715               9.6450
Sale               26,882              9.4470
Sale               231                 9.3458
Sale               120,325             9.4412
Sale               788                 Transfer

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          68158         9.2829
CFD            Long          300           9.3
CFD            Long          5345          9.3001
CFD            Long          609540        9.3298
CFD            Long          56875         9.3337
CFD            Long          12308         9.3475
CFD            Long          793           9.3994
CFD            Long          241060        9.401
CFD            Long          722782        9.4336
CFD            Long          120325        9.4411
CFD            Long          30000         9.4452
CFD            Long          26882         9.447
CFD            Long          2000          9.4585
CFD            Long          121149        9.4626
CFD            Long          20637         9.4734
CFD            Long          16827         9.4828
CFD            Long          123713        9.4835
CFD            Long          1088779       9.4846
CFD            Long          10643         9.4869
CFD            Long          70978         9.4883
CFD            Long          34477         9.5225
CFD            Long          422648        9.5265
CFD            Long          399           9.575
CFD            Long          1715          9.645
CFD            Short         300           9.3
CFD            Short         183450        9.4003
CFD            Short         205841        9.4044
CFD            Short         26060         9.4424
CFD            Short         19312          9.467
CFD            Short         51800         9.495
CFD            Short         9459          9.501
CFD            Short         414845        9.5229
CFD            Short         399           9.575
CFD            Short         3600          9.5768
CFD            Short         8217          9.5926
CFD            Short         103116        9.6206
CFD            Short         300           9.6316

(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                         21 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