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 August 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    111,229,098        5.04%     1,877,900     0.09%
securities
(2) Derivatives   2,230,827        0.10%    11,105,655     0.50%
(other than
options)
(3) Options and     502,700        0.02%       751,000     0.03%
agreements to
purchase/sell
Total           113,962,625        5.16%    13,734,555     0.62%

(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                92,538              16.0200
Purchase                156,939             15.5836
Purchase                300                 15.5300
Purchase                1,228               15.6400
Purchase                10,000              15.3325
Purchase                92,538              16.0200
Purchase                3,300               15.9582
Purchase                92,538              15.5100
Purchase                4,100               15.9694
Purchase                1,800               15.6267
Purchase                23,134              15.3600
Purchase                277,613             15.2700
Purchase                15,000              15.8999
Purchase                63,000              15.3100
Purchase                185,075             16.0200
Purchase                114,128             15.6831
Purchase                359,031             15.8142
Purchase                92,538              16.0100
Purchase                108,878             15.5749
Purchase                1,404               15.5481
Purchase                620                 15.8874
Purchase                146,827             15.6449
Purchase                1,041,050           15.7182
Purchase                268,005             15.4700
Purchase                92,538              15.5700
Purchase                7,215               15.4807
Purchase                422                 16.0500
Purchase                4,446               15.5948
Purchase                92,538              16.0100
Purchase                245                 15.5558
Purchase                580                 16.4000
Purchase                225                 15.4269
Purchase                165                 16.0168
Purchase                153,616             16.0500
Purchase                248                 15.9458
Purchase                671,181             16.0500
Purchase                500                 15.8279
Sale                    153,616             16.0500
Sale                    671,181             16.0500
Sale                    814                 15.5675
Sale                    147,544             15.3732
Sale                    163,974             15.3855
Sale                    6,520               15.3452
Sale                    13,397              15.9743
Sale                    71,070              15.4245
Sale                    300                 15.5300
Sale                    47,630              15.4331
Sale                    9,641               15.3100
Sale                    280                 15.4600
Sale                    32,477              15.4152
Sale                    21,521              16.9300
Sale                    315                 15.3725
Sale                    90,730              15.7699
Sale                    227                 Transfer
Sale                    121,820             15.8317
Sale                    4,362               15.3452
Sale                    1,041,050           15.7182
Sale                    62,000              15.4186
Sale                    14,807              15.3452
Sale                    75,881              16.3500
Sale                    80                  15.6500
Sale                    108,936             15.6794
Sale                    4,545               Transfer
Sale                    4,411               15.3100
Sale                    360                 15.8425
Sale                    175                 15.5225
Sale                    3,833               15.8151
Sale                    62,668              15.9145
Sale                    1,404               16.0874
Sale                    140,805             15.6145

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          28078         15.3397
CFD            Long          147544        15.3731
CFD            Long          163974        15.3855
CFD            Long          3181          15.4157
CFD            Long          71070         15.4244
CFD            Long          47630         15.433
CFD            Long          300           15.53
CFD            Long          814           15.5675
CFD            Long          17758         15.5852
CFD            Long          140805        15.6144
CFD            Long          108936        15.6794
CFD            Long          10906         15.7097
CFD            Long          90730         15.7698
CFD            Long          121820        15.8316
CFD            Long          4399          15.8972
CFD            Long          62668         15.9144
CFD            Long          1404          16.0874
CFD            Short         10000         15.3324
CFD            Short         268005        15.47
CFD            Short         7215          15.4806
CFD            Short         300           15.53
CFD            Short         1404          15.5481
CFD            Short         101596        15.5734
CFD            Short         156939        15.5836
CFD            Short         7282          15.5961
CFD            Short         1800          15.6266
CFD            Short         146827        15.6448
CFD            Short         114128        15.683
CFD            Short         359031        15.8141
CFD            Short         620           15.8874
CFD            Short         15000         15.8998
CFD            Short         3300          15.9581
CFD            Short         4100          15.9694

(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 August 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