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               29 September 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     115,203,249     5.22%      1,973,526     0.09%
securities
(2) Derivatives    3,451,563     0.16%     15,699,907     0.71%
(other than
options)
(3) Options and        2,700     0.00%          1,000     0.00%
agreements to
purchase/sell
Total            118,657,512     5.38%     17,674,433     0.80%

(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           1,105,757           12.8274
Purchase           36                  Transfer
Purchase           89,000              13.0051
Purchase           36                  Transfer
Purchase           609                 12.9283
Purchase           218,516             12.7316
Purchase           100,125             12.5509
Purchase           366                 12.3200
Purchase           100,000             12.3200
Purchase           78                  Transfer
Purchase           400                 12.7950
Purchase           189,299             12.5893
Purchase           220,880             12.4438
Purchase           920                 13.1020
Purchase           92,337              12.7900
Purchase           215,664             12.6951
Purchase           1,500               12.2680
Purchase           43,919              12.6131
Purchase           305                 13.1800
Purchase           29,000              12.8340
Purchase           92,337              12.7900
Purchase           46,169              12.8405
Purchase           2,712               12.3200
Purchase           64,330              12.3200
Purchase           443                 12.6430
Purchase           1,500               12.2100
Purchase           27,136              13.9800
Purchase           19,069              12.3200
Purchase           12,866              12.3200
Purchase           1,200               12.7700
Purchase           16,111              12.3200
Purchase           235                 12.9600
Purchase           3,564               12.3200
Purchase           1,480               12.3140
Purchase           15,671              12.3200
Purchase           1,900               12.6389
Sale               1,100               12.5579
Sale               2,198               12.7433
Sale               9,857               12.3061
Sale               15,700              12.5160
Sale               36                  Transfer
Sale               109,240             12.5149
Sale               23,000              12.5259
Sale               16,793              12.3200
Sale               301                 13.7810
Sale               87                  Transfer
Sale               220,880             12.4488
Sale               8,921               12.3200
Sale               290,018             12.5339
Sale               400                 12.7950
Sale               2,892               12.7433
Sale               129                 Transfer
Sale               87                  Transfer
Sale               259                 13.9905
Sale               78                  Transfer
Sale               7,228               12.7433
Sale               18,979              12.5837
Sale               12,970              12.3061
Sale               7,594               12.5837
Sale               100,325             12.5357
Sale               920                 12.7991
Sale               52,537              12.4882
Sale               202                 14.0305
Sale               5,772               12.5837
Sale               3,000               13.7900
Sale               25,000              12.9101
Sale               267                 Transfer
Sale               150                 13.8705
Sale               40,216              12.6769
Sale               63,310              12.3200
Sale               19,069              12.3200
Sale               253                 14.0005
Sale               27,548              12.3200
Sale               32,413              12.3061
Sale               27,136              13.9800
Sale               294,862             12.5769
Sale               36                  Transfer
Sale               36                  12.2505
Sale               346,553             12.5386

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          146           12.3538
CFD            Long          156926        12.436
CFD            Long          52537         12.4881
CFD            Long          109240        12.5149
CFD            Long          15700         12.5159
CFD            Long          23000         12.5258
CFD            Long          100325        12.5356
CFD            Long          346553        12.5386
CFD            Long          1100          12.5579
CFD            Long          294862        12.5769
CFD            Long          133092        12.6492
CFD            Long          40216         12.6769
CFD            Long          35361         12.6853
CFD            Long          400           12.795
CFD            Long          920           12.799
CFD            Long          25000         12.91
CFD            Short         1500          12.21
CFD            Short         1500          12.268
CFD            Short         59482         12.5315
CFD            Short         100125        12.5509
CFD            Short         189299        12.5893
CFD            Short         43919         12.6131
CFD            Short         1900          12.6389
CFD            Short         218516        12.7316
CFD            Short         138944        12.7481
CFD            Short         400           12.795
CFD            Short         1105757       12.8273
CFD            Short         17238         12.8316
CFD            Short         609           12.9283
CFD            Short         89000         13.005
CFD            Short         920           13.1019

(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                         30 September 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