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               18 July 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    109,189,799        4.95%     1,533,599     0.07%
securities
(2) Derivatives   1,505,850        0.07%    11,788,087     0.53%
(other than
options)
(3) Options and     502,700        0.02%       751,000     0.03%
agreements to
purchase/sell
Total           111,198,349        5.04%    14,072,686     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                10,844              15.8993
Purchase                74                  16.3765
Purchase                21,000              16.0000
Purchase                144,019             15.9100
Purchase                594                 15.8425
Purchase                279,266             16.3000
Purchase                107,158             15.8888
Purchase                21,772              15.7181
Purchase                20,000              15.8325
Purchase                5,125               15.8204
Purchase                56,586              15.8881
Purchase                10,844              15.8832
Purchase                19,968              15.8975
Purchase                21,930              15.9694
Purchase                3,500               15.7836
Purchase                60,879              16.3000
Purchase                1,285,466           15.8058
Purchase                27                  16.3000
Purchase                700                 15.8341
Purchase                83,434              15.8548
Purchase                67,809              15.7637
Purchase                1,151               15.9200
Purchase                2,946               16.0900
Purchase                6,786               16.0000
Purchase                4,301               16.0000
Purchase                31,188              16.0000
Purchase                7,188               16.0000
Purchase                278,411             15.7025
Purchase                60,852              16.0000
Purchase                4,443               16.0000
Purchase                2,032               16.0000
Sale                    455                 15.7600
Sale                    373                 15.8721
Sale                    60,852              16.0000
Sale                    3,855               15.7387
Sale                    163,483             15.6975
Sale                    2,366,497           Transfer
Sale                    27                  16.3000
Sale                    594                 15.6138
Sale                    85,775              15.7879
Sale                    8,348               16.0000
Sale                    10,844              15.8832
Sale                    14,645              15.7639
Sale                    103                 15.9321
Sale                    60,879              16.3000
Sale                    1,000               15.9986
Sale                    1,255               15.9974
Sale                    388                 15.6721
Sale                    52,013              15.7658
Sale                    200                 15.9725
Sale                    263                 16.1608
Sale                    126                 15.7821
Sale                    3,500               15.7836
Sale                    450                 15.9512
Sale                    190                 16.0042
Sale                    154,625             15.8313
Sale                    80,436              15.8530
Sale                    450                 15.8132
Sale                    33                  15.7742
Sale                    97                  15.8421

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          594           15.6138
CFD            Long          163483        15.6974
CFD            Long          3855          15.7387
CFD            Long          14645         15.7638
CFD            Long          52013         15.7658
CFD            Long          1563          15.783
CFD            Long          3500          15.7835
CFD            Long          85775         15.7878
CFD            Long          154625        15.8312
CFD            Long          80436         15.8529
CFD            Long          1255          15.9974
CFD            Long          1000          15.9985
CFD            Long          1470          16.0032
CFD            Short         21772         15.7181
CFD            Short         3500          15.7835
CFD            Short         1285466       15.8057
CFD            Short         5125          15.8204
CFD            Short         20000         15.8325
CFD            Short         700           15.8341
CFD            Short         594           15.8425
CFD            Short         83434         15.8548
CFD            Short         56586         15.888
CFD            Short         107158        15.8888
CFD            Short         19968         15.8975
CFD            Short         144019        15.9099
CFD            Short         21930         15.9693

(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                         21 July 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