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               29 May 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     111,213,529       5.04%       678,792     0.03%
securities
(2) Derivatives    2,405,533       0.11%     3,776,902     0.17%
(other than
options)
(3) Options and    1,002,450       0.05%       752,775     0.03%
agreements to
purchase/sell
Total            114,621,512       5.19%     5,208,469     0.24%

(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 Securities Price per unit
                                   (GBP)
Purchase      500                  19.7755
Purchase      134                  19.6100
Purchase      313,086              19.8940
Purchase      29,066               19.7674
Purchase      399                  19.6000
Purchase      742                  19.6037
Purchase      854                  19.6200
Purchase      39,075               19.9549
Purchase      10,609               19.7368
Purchase      709                  19.9621
Purchase      81,700               19.5990
Purchase      700                  19.6332
Purchase      67                   Transfer
Purchase      30                   19.4565
Purchase      53,732               19.8236
Purchase      170,162              19.6171
Purchase      224                  19.8665
Purchase      1,617                19.9621
Purchase      2,314                19.9621
Purchase      1,494                19.9621
Purchase      41,500               19.6153
Purchase      4,434                19.6425
Purchase      95,412               19.7571
Purchase      18,858               19.7200
Purchase      5,000                19.6837
Purchase      828                  19.9621
Purchase      400                  19.6784
Purchase      3,184                19.9621
Purchase      1,815                19.9621
Purchase      2,918                19.9621
Purchase      1,634                19.9621
Purchase      33,900               19.9512
Sale          1,538                19.9500
Sale          205,905              19.7961
Sale          1,804                19.6204
Sale          643                  19.5635
Sale          61,000               19.9187
Sale          227                  Transfer
Sale          108,555              19.6299
Sale          54,571               19.8008
Sale          168                  19.6835
Sale          134,244              19.7876
Sale          313,086              19.8940
Sale          126,727              19.7044
Sale          870                  19.6289
Sale          164                  Transfer
Sale          520                  19.8925
Sale          914                  19.9919
Sale          332                  20.0000
Sale          2,371                20.0000
Sale          1,478                19.9919
Sale          135                  19.6215
Sale          200                  19.8525
Sale          625                  19.9915
Sale          375                  19.9025
Sale          225                  19.9025
Sale          800                  19.9145
Sale          15,611               19.6000
Sale          100                  19.8925
Sale          1,728                19.9919
Sale          67                   Transfer
Sale          240                  19.9015
Sale          957                  19.9919
Sale          3,612                19.9919
Sale          67                   19.5852
Sale          246,163              19.8488
Sale          135                  19.5930
Sale          894                  19.9962
Sale          500                  19.9112
Sale          3,000                19.6516
Sale          128                  20.2167
Sale          161                  19.6800
Sale          82,984               19.6000

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          643           19.5634
CFD            Long          1804          19.6203
CFD            Long          870           19.6289
CFD            Long          108555        19.6299
CFD            Long          3000          19.6515
CFD            Long          126727        19.7044
CFD            Long          510           19.775
CFD            Long          134244        19.7875
CFD            Long          205905        19.796
CFD            Long          54571         19.8007
CFD            Long          246163        19.8487
CFD            Long          313086        19.894
CFD            Long          61000         19.9186
CFD            Long          894           19.9961
CFD            Long          128           20.2167
CFD            Short         81700         19.599
CFD            Short         742           19.6037
CFD            Short         41500         19.6153
CFD            Short         170162        19.617
CFD            Short         700           19.6332
CFD            Short         4434          19.6424
CFD            Short         5000          19.6837
CFD            Short         10609         19.7367
CFD            Short         95412         19.7571
CFD            Short         29066         19.7673
CFD            Short         53732         19.8236
CFD            Short         313086        19.894
CFD            Short         39075         19.9549

(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                         30 May 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                14.0000          AMER           20/06/2008
Option            Purchased   250,000                14.0000          AMER           20/06/2008
Option            Purchased   500                    1,900.0000       EURO           18/12/2009
Option            Purchased   500                    1,900.0000       EURO           18/12/2009
Option            Purchased   350                    1,450.0000       EURO           18/12/2009
Option            Purchased   350                    1,450.0000       EURO           18/12/2009
Option            Purchased   250                    1,500.0000       EURO           18/12/2009
Option            Purchased   250                    1,500.0000       EURO           18/12/2009
Option            Purchased   250                    1,700.0000       EURO           19/12/2008
Option            Purchased   -500                   950.0000         EURO           19/12/2008
Option            Purchased   -500                   950.0000         EURO           19/12/2008
Option            Purchased   -1,775                 1,600.0000       EURO           20/06/2008
Option            Purchased   -250,000               16.0000          AMER           19/09/2008
Option            Purchased   -500,000               9.5000           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