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               24 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      101,696,230     4.61%      2,184,525     0.10%
securities
(2) Derivatives     3,246,541     0.15%      3,469,529     0.16%
options)
(3) Options and     1,002,450     0.05%        752,775     0.03%
agreements to
purchase/sell
Total             105,945,221     4.80%      6,406,829     0.29%

(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         39                      18.5083
Purchase         93,455                  18.3665
Purchase         341                     Transfer
Purchase         171,634                 18.5769
Purchase         10,207                  18.7843
Purchase         5,468                   18.4935
Purchase         93,455                  18.4900
Purchase         43                      18.4965
Purchase         625                     18.5000
Purchase         46,702                  18.5874
Purchase         1,900                   18.4931
Purchase         708,211                 18.4967
Purchase         107,500                 18.5249
Purchase         5,210                   18.4998
Purchase         68,802                  18.5090
Purchase         83,000                  18.7978
Purchase         39,685                  18.4227
Purchase         35,318                  18.4965
Purchase         316                     Transfer
Purchase         19,648                  18.5768
Purchase         48,597                  18.4548
Purchase         300                     18.3400
Purchase         309,336                 18.4527
Purchase         5,542                   18.4900
Purchase         5,479                   18.9400
Purchase         39                      18.3665
Purchase         2,055                   18.9400
Purchase         2,739                   19.0589
Purchase         507                     Transfer
Purchase         1,611                   18.9400
Purchase         1,000                   18.4875
Sale             78,235                  18.7173
Sale             2,739                   19.0589
Sale             75,335                  18.8462
Sale             134                     18.2617
Sale             1,062                   18.9669
Sale             16,000                  18.3728
Sale             111                     18.4017
Sale             1,003                   18.5917
Sale             41,599                  18.5289
Sale             37,462                  18.6193
Sale             2,739                   19.0585
Sale             1,423                   18.4900
Sale             4,152                   18.3100
Sale             140                     18.5212
Sale             8,514                   18.9242
Sale             1,962                   18.4900
Sale             5,229                   18.4900
Sale             4,241                   18.4900
Sale             22,141                  19.2700
Sale             31,161                  19.0296
Sale             190,392                 18.5587
Sale             300                     Transfer
Sale             44,162                  18.6357
Sale             93,455                  18.4900
Sale             93,455                  18.3665
Sale             231,570                 18.3631
Sale             20,573                  18.4872
Sale             316                     Transfer
Sale             1,838                   18.9092
Sale             139,565                 18.7487
Sale             341                     Transfer
Sale             1,159                   18.4900

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          231570        18.363
CFD            Long          16000         18.3727
CFD            Long          20573         18.4872
CFD            Long          41599         18.5288
CFD            Long          190392        18.5586
CFD            Long          37462         18.6192
CFD            Long          44162         18.6357
CFD            Long          78235         18.7172
CFD            Long          139565        18.7487
CFD            Long          75335         18.8461
CFD            Long          1838          18.9092
CFD            Long          1062          18.9669
CFD            Short         48597         18.4548
CFD            Short         1900          18.4931
CFD            Short         5468          18.4935
CFD            Short         35318         18.4964
CFD            Short         708211        18.4967
CFD            Short         5210          18.4998
CFD            Short         68802         18.5089
CFD            Short         107500        18.5248
CFD            Short         19648         18.5767
CFD            Short         171634        18.5768
CFD            Short         46702         18.5874
CFD            Short         10207         18.7843
CFD            Short         83000         18.7977

(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                         25 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