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               23 April 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      100,979,974     4.58%      2,823,525     0.13%
securities
(2) Derivatives     3,636,924     0.16%      3,425,508     0.16%
options)
(3) Options and     1,002,450     0.05%        752,775     0.03%
agreements to
purchase/sell
Total            105,619,348      4.79%      7,001,808     0.32%

(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         30,919                  18.9760
Purchase         5,378                   18.9793
Purchase         2,524                   18.9793
Purchase         8,798                   18.9793
Purchase         48,493                  18.9792
Purchase         129,425                 18.9792
Purchase         150                     18.8288
Purchase         60,977                  18.9200
Purchase         5,077                   18.9793
Purchase         44,700                  19.0146
Purchase         25,914                  18.8697
Purchase         73                      Transfer
Purchase         21,000                  19.2700
Purchase         3,680                   19.0036
Purchase         131,317                 18.9438
Purchase         75,492                  19.1780
Purchase         146,140                 19.2084
Purchase         362,110                 18.9347
Purchase         309,710                 19.2490
Purchase         415                     18.8236
Purchase         5,578                   18.9793
Purchase         6,970                   19.1000
Purchase         4,215                   18.9793
Purchase         5,621                   18.9793
Purchase         43,807                  18.9141
Purchase         471                     19.1000
Sale             270,159                 19.0136
Sale             181,754                 18.9609
Sale             88,461                  19.2400
Sale             902                     19.2700
Sale             55,582                  19.0704
Sale             3,399                   19.2663
Sale             3,845                   18.9447
Sale             146,140                 19.2084
Sale             1,300                   19.1868
Sale             19,648                  19.2671
Sale             115,655                 19.0558
Sale             33,000                  19.1942
Sale             26,350                  18.9803
Sale             51,000                  19.1304
Sale             32,928                  18.9756
Sale             902                     19.0293
Sale             73                      Transfer
Sale             250                     18.9112
Sale             2,000                   19.1700
Sale             150                     19.1112
Sale             1,000                   19.2525
Sale             400                     19.1700
Sale             228                     Transfer
Sale             142,970                 19.0458
Sale             11,000                  19.2671
Sale             146,140                 19.2084
Sale             9                       18.9030
Sale             77                      18.8735
Sale             11,706                  19.2700
Sale             415                     19.1464
Sale             15,721                  19.0700
Sale             300                     19.1725
Sale             43                      18.7217
Sale             850                     18.6317

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          3845          18.9446
CFD            Long          181754        18.9609
CFD            Long          32928         18.9756
CFD            Long          26350         18.9802
CFD            Long          270159        19.0135
CFD            Long          902           19.0293
CFD            Long          142970        19.0458
CFD            Long          115655        19.0558
CFD            Long          55582         19.0703
CFD            Long          415           19.1463
CFD            Long          1300          19.1868
CFD            Long          33000         19.1942
CFD            Long          88461         19.24
CFD            Long          3399          19.2663
CFD            Long          30648         19.2671
CFD            Short         415           18.8235
CFD            Short         25914         18.8697
CFD            Short         43807         18.914
CFD            Short         60977         18.92
CFD            Short         362110        18.9346
CFD            Short         131317        18.9437
CFD            Short         30919         18.976
CFD            Short         3680          19.0035
CFD            Short         44700         19.0146
CFD            Short         6970          19.1
CFD            Short         75492         19.1779

(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
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.


None

Is a Supplemental Form 8 attached? (Note 9)                 YES


Date of disclosure                         24 April 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   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
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
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

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