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               15 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      100,590,658     4.56%      3,289,685     0.15%
securities
(2) Derivatives     3,251,137     0.15%      3,352,885     0.15%
options)
(3) Options and     1,002,450     0.05%        752,775     0.03%
agreements to
purchase/sell
Total             104,844,245     4.75%      7,395,345     0.34%

(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         300                     Transfer
Purchase         7,435                   17.4200
Purchase         29,653                  17.5599
Purchase         600                     17.3400
Purchase         46,511                  17.5553
Purchase         172                     17.3084
Purchase         33,900                  17.3775
Purchase         5,030                   17.7000
Purchase         5,540                   17.4688
Purchase         117,631                 17.5308
Purchase         101,017                 17.4573
Purchase         13,026                  17.3704
Purchase         255                     17.4500
Purchase         126,714                 17.4730
Purchase         3,900                   17.5698
Purchase         3,290                   17.5881
Purchase         872                     17.4138
Purchase         8,266                   17.7000
Purchase         5,810                   17.4138
Purchase         55,000                  17.7000
Purchase         25,890                  17.7000
Purchase         33,900                  17.3775
Sale             181,171                 17.6214
Sale             10,183                  17.7444
Sale             6                       17.4200
Sale             153,411                 17.4859
Sale             289                     17.4517
Sale             34,758                  17.5830
Sale             76,122                  17.6508
Sale             300                     Transfer
Sale             960                     17.7017
Sale             2,300                   17.7001
Sale             1,000                   17.7112
Sale             181                     17.3500
Sale             24,723                  17.6405
Sale             2,843                   17.5705
Sale             580                     17.7112
Sale             1,000                   17.7112
Sale             360                     17.4317
Sale             200                     17.4012
Sale             140                     17.4217
Sale             350                     17.4112
Sale             132,156                 17.6694
Sale             5,694                   17.6966
Sale             30,770                  17.5850
Sale             2,750                   17.6073
Sale             57                      Transfer
Sale             2,000                   17.4112

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          153411        17.4858
CFD            Long          34758         17.5829
CFD            Long          30770         17.5849
CFD            Long          2750          17.6073
CFD            Long          181171        17.6213
CFD            Long          76122         17.6507
CFD            Long          132156        17.6694
CFD            Long          5694          17.6966
CFD            Long          2300          17.7001
CFD            Long          10183         17.7443
CFD            Short         600           17.34
CFD            Short         13026         17.3704
CFD            Short         101017        17.4572
CFD            Short         5540          17.4687
CFD            Short         126714        17.4729
CFD            Short         117631        17.5307
CFD            Short         46511         17.5553
CFD            Short         29653         17.5598
CFD            Short         3900          17.5698

(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                         16 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   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