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               30 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     115,455,581     5.23%      1,697,192     0.08%
securities
(2) Derivatives    3,101,190     0.14%     16,018,617     0.73%
(other than
options)
(3) Options and        2,700     0.00%          1,000     0.00%
agreements to
purchase/sell
Total            118,559,471     5.37%     17,716,809     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           7,190               12.4365
Purchase           63,257              12.5900
Purchase           2,200               12.4901
Purchase           3,973               12.5954
Purchase           10,000              12.0068
Purchase           84                  13.0300
Purchase           5,717               12.4913
Purchase           750                 12.5600
Purchase           220,880             12.4488
Purchase           48                  12.7200
Purchase           837,613             12.3646
Purchase           2,100               12.3539
Purchase           88                  12.7100
Purchase           17,569              12.5900
Purchase           2,784               12.5783
Purchase           81,514              12.6500
Purchase           14,000              11.7977
Purchase           178,462             12.4372
Purchase           408,725             12.5526
Purchase           143                 12.8100
Purchase           1,200               12.5750
Purchase           83                  12.3900
Purchase           149,362             12.5900
Purchase           807                 12.3500
Purchase           262                 12.4500
Purchase           179,338             12.5260
Purchase           2,000               12.2600
Purchase           24,979              12.6177
Purchase           2,926               12.5900
Purchase           8,282               12.5954
Purchase           2,399               12.5900
Purchase           45,950              12.5900
Purchase           1,122               12.4042
Purchase           129                 13.0700
Purchase           31,112              12.5900
Purchase           11,667              12.5900
Purchase           6,032               12.5954
Purchase           8,517               12.5954
Purchase           1,053               12.5900
Purchase           350                 12.4300
Purchase           274                 12.5900
Purchase           198                 12.3700
Purchase           324,247             12.4416
Purchase           41                  13.0800
Purchase           42                  12.4100
Purchase           2,741               12.5900
Purchase           9,615               12.5954
Purchase           3,032               12.5900
Purchase           600                 12.6200
Purchase           106                 13.0200
Purchase           6,039               12.5954
Purchase           790                 12.5600
Sale               2,187               12.5962
Sale               12                  12.5683
Sale               400                 12.3680
Sale               16,206              12.5986
Sale               53                  Transfer
Sale               325                 12.8610
Sale               5,661               12.9800
Sale               15,113              12.3751
Sale               2,637               12.6408
Sale               272,639             12.5802
Sale               13,959              12.6944
Sale               71,354              12.3015
Sale               102                 12.3805
Sale               179,891             12.4178
Sale               200                 12.5500
Sale               4,928               12.5986
Sale               13,850              12.5900
Sale               1,200               12.7400
Sale               4,445               12.5900
Sale               17,170              12.5900
Sale               150,000             12.5900
Sale               25,469              12.5900
Sale               1,055               12.6408
Sale               4,174               12.5900
Sale               2,128               12.5900
Sale               200                 12.6000
Sale               425                 12.8000
Sale               81,514              12.6500
Sale               45,705              12.5900
Sale               13,710              12.5900
Sale               149,362             12.5900
Sale               197,272             12.6553
Sale               2,200               12.4901
Sale               88,200              12.5913
Sale               149,362             12.5900
Sale               778,760             12.5868
Sale               5,466               12.5962
Sale               13,420              12.4951
Sale               123                 12.9500
Sale               1,662               12.5962
Sale               117                 12.9005
Sale               81,514              12.6500
Sale               6,485               12.5986
Sale               1,200               12.5750
Sale               802                 12.6408
Sale               171                 12.3810
Sale               7,232               12.2771

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          7232          12.277
CFD            Long          71354         12.3014
CFD            Long          400           12.368
CFD            Long          15113         12.375
CFD            Long          179891        12.4177
CFD            Long          2200          12.49
CFD            Long          13420         12.4951
CFD            Long          119400        12.5245
CFD            Long          12            12.5683
CFD            Long          1200          12.575
CFD            Long          778760        12.5867
CFD            Long          88200         12.5913
CFD            Long          131255        12.623
CFD            Long          21984         12.626
CFD            Long          197272        12.6553
CFD            Long          2733          12.6933
CFD            Long          2894          12.6934
CFD            Short         14000         11.7977
CFD            Short         10000         12.0068
CFD            Short         2974          12.3182
CFD            Short         2100          12.3539
CFD            Short         837613        12.3646
CFD            Short         60999         12.4082
CFD            Short         7190          12.4365
CFD            Short         178462        12.4371
CFD            Short         324247        12.4416
CFD            Short         220880        12.4487
CFD            Short         2200          12.49
CFD            Short         5717          12.4913
CFD            Short         153638        12.5107
CFD            Short         179338        12.526
CFD            Short         1200          12.575
CFD            Short         2784          12.5783
CFD            Short         252113        12.5808
CFD            Short         21969         12.59
CFD            Short         24979         12.6176

(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                         01 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