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               05 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     107,494,365     4.87%      2,884,064     0.13%
securities
(2) Derivatives    3,654,508     0.17%     10,512,996     0.48%
(other than
options)
(3) Options and      502,700     0.02%        751,000     0.03%
agreements to
purchase/sell
Total            111,651,573     5.06%     14,148,060     0.64%


(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             154                 Transfer
Purchase             2,126               14.3800
Purchase             72,522              14.5030
Purchase             189,019             14.5171
Purchase             757,157             14.5509
Purchase             1,400               14.5400
Purchase             2,560               14.5044
Purchase             6,310               14.6673
Purchase             2,795               14.5148
Purchase             1,600               14.5269
Purchase             236                 14.5422
Purchase             2,560               14.5066
Purchase             5,440               14.5194
Purchase             1,400               14.6424
Purchase             23,088              14.5970
Purchase             60,000              14.3800
Purchase             186,024             14.5326
Purchase             3,319               14.3800
Purchase             300                 14.3388
Purchase             1,000               14.4892
Purchase             1,510               14.7500
Purchase             254,875             14.5664
Purchase             68,816              14.8535
Sale                 85,686              14.3399
Sale                 9,838               14.3782
Sale                 177,565             14.5314
Sale                 1,500               14.5483
Sale                 235                 Transfer
Sale                 166                 14.3660
Sale                 346                 15.0615
Sale                 3,051               Transfer
Sale                 286                 14.2400
Sale                 277,618             14.3800
Sale                 299                 14.5000
Sale                 5,000               14.4778
Sale                 155                 15.6230
Sale                 531,314             14.4454
Sale                 300                 15.0630
Sale                 95                  15.0515
Sale                 394                 Transfer
Sale                 2,068               14.3800
Sale                 297                 14.8300
Sale                 1,542               14.3444
Sale                 730                 14.3303
Sale                 82,700              14.3800
Sale                 25,102              14.3800
Sale                 200                 14.6330
Sale                 500                 14.4830
Sale                 1,166               14.3800
Sale                 300                 14.4703
Sale                 1,490               14.4961
Sale                 2,795               14.6020
Sale                 1,600               14.5269
Sale                 153                 14.5015
Sale                 141                 14.3315
Sale                 83,414              14.4946
Sale                 1,000               14.3076
Sale                 2,963               14.5880
Sale                 189                 15.0415
Sale                 237,181             14.4616
Sale                 91                  14.5230
Sale                 95,233              14.3612
Sale                 436,815             14.5900
Sale                 236                 14.9878
Sale                 601                 14.6362
Sale                 1,741               14.3778
Sale                 2,560               14.5066
Sale                 331,497             14.4344

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          1000          14.3076
CFD            Long          85686         14.3398
CFD            Long          95233         14.3611
CFD            Long          1741          14.3778
CFD            Long          9838          14.3782
CFD            Long          3515          14.3829
CFD            Long          189875        14.387
CFD            Long          531314        14.4454
CFD            Long          237181        14.4615
CFD            Long          5000          14.4778
CFD            Long          16442         14.4853
CFD            Long          83414         14.4945
CFD            Long          1490          14.4961
CFD            Long          125180        14.4995
CFD            Long          10092         14.5191
CFD            Long          1600          14.5268
CFD            Long          177565        14.5313
CFD            Long          1500          14.5483
CFD            Long          2963          14.5879
CFD            Long          436815        14.5899
CFD            Long          2795          14.6019
CFD            Long          236           14.9877
CFD            Short         902           14.3757
CFD            Short         55222         14.4541
CFD            Short         72522         14.503
CFD            Short         24560         14.5094
CFD            Short         2795          14.5148
CFD            Short         1600          14.5268
CFD            Short         186024        14.5326
CFD            Short         1400          14.54
CFD            Short         236           14.5421
CFD            Short         133797        14.543
CFD            Short         757157        14.5509
CFD            Short         254875        14.5663
CFD            Short         2963          14.588
CFD            Short         23088         14.597
CFD            Short         1400          14.6424
CFD            Short         6310          14.6673
CFD            Short         68816         14.8534

(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                         08 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