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               04 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     108,108,307     4.90%      1,958,747     0.09%
securities
(2) Derivatives    3,017,134     0.14%     10,299,810     0.47%
(other than
options)
(3) Options and      502,700     0.02%        751,000     0.03%
agreements to
purchase/sell
Total            111,628,141     5.06%     13,009,557     0.59%


(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             201,868             15.3279
Purchase             400                 15.6025
Purchase             91,134              15.4039
Purchase             310,897             15.3105
Purchase             22,600              15.3581
Purchase             38,630              15.4437
Purchase             6,018               15.3823
Purchase             164,195             15.3463
Purchase             1,683               14.8622
Purchase             2,224               15.6387
Purchase             69                  15.6568
Purchase             131,153             15.4235
Purchase             44                  15.7570
Purchase             693                 15.6000
Purchase             6,825               15.7124
Purchase             1,377               14.8600
Purchase             1,110,453           Transfer
Purchase             32,200              15.3575
Purchase             500                 15.2440
Purchase             275                 15.6470
Purchase             1,428               15.3018
Sale                 273                 15.6130
Sale                 118                 15.6300
Sale                 1,110,453           Transfer
Sale                 312,116             15.3602
Sale                 72,969              15.4142
Sale                 63                  15.6330
Sale                 400                 15.6025
Sale                 7,000               15.6377
Sale                 300                 15.0775
Sale                 5,240               15.6300
Sale                 1,811               15.6750
Sale                 688                 14.8600
Sale                 215                 15.6815
Sale                 3,861               15.4018
Sale                 1,500               15.7347
Sale                 65,734              15.1604
Sale                 92                  15.0930
Sale                 1,700               15.5330
Sale                 76,565              15.0634
Sale                 143,257             15.4245
Sale                 680,890             15.5428
Sale                 851                 14.8600
Sale                 2,886               15.6741
Sale                 700                 15.5003
Sale                 158                 15.3315
Sale                 4,000               15.5800
Sale                 338,551             15.3692

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          12179         14.863
CFD            Long          73527         15.0487
CFD            Long          76565         15.0634
CFD            Long          300           15.0775
CFD            Long          1             15.0831
CFD            Long          65734         15.1604
CFD            Long          312116        15.3602
CFD            Long          3861          15.4017
CFD            Long          72969         15.4142
CFD            Long          155976        15.424
CFD            Long          143257        15.4245
CFD            Long          700           15.5003
CFD            Long          109048        15.5068
CFD            Long          680890        15.5427
CFD            Long          400           15.6025
CFD            Long          5240          15.6356
CFD            Long          7000          15.6376
CFD            Long          2886          15.674
CFD            Long          1500          15.7346
CFD            Short         1683          14.8622
CFD            Short         65440         15.075
CFD            Short         310897        15.3104
CFD            Short         201868        15.3278
CFD            Short         32200         15.3574
CFD            Short         6018          15.3822
CFD            Short         3861          15.4018
CFD            Short         91134         15.4039
CFD            Short         131153        15.4235
CFD            Short         38630         15.4436
CFD            Short         84968         15.4541
CFD            Short         98755         15.526
CFD            Short         400           15.6025
CFD            Short         2224          15.6387
CFD            Short         6825          15.7123

(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                         05 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   500,000                9.5000           EURO           19/12/2008
Option            Purchased   -250,000               16.0000          AMER           19/09/2008
Option            Purchased   -500,000               9.5000           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
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