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               11 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      100,689,775     4.56%      3,003,672     0.14%
securities
(2) Derivatives     3,062,918     0.14%      3,352,885     0.15%
options)
(3) Options and     1,002,450     0.05%        752,775     0.03%
agreements to
purchase/sell
Total             104,755,143      4.75%      7,109,332    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         5,759                   17.4633
Purchase         617                     17.9000
Purchase         33,824                  17.8510
Purchase         120,000                 Transfer
Purchase         28,920                  17.5028
Purchase         1,906                   17.4600
Purchase         873                     17.4600
Purchase         41                      17.6083
Purchase         562                     17.7400
Purchase         700                     17.8629
Purchase         7,435                   17.4820
Purchase         10,725                  17.4596
Purchase         101,389                 17.5861
Purchase         40,750                  17.5288
Purchase         34,300                  17.5338
Purchase         63,108                  17.5916
Purchase         1,500                   17.3200
Purchase         1,497                   17.4600
Purchase         654                     17.4600
Purchase         132                     17.9383
Purchase         1,663                   17.4600
Purchase         234                     17.4600
Purchase         4,833                   17.4600
Purchase         11,918                  17.4600
Purchase         27,293                  17.4600
Purchase         1,138                   17.4600
Purchase         44,056                  17.6150
Purchase         569                     17.4600
Purchase         5,689                   17.4600
Purchase         389,307                 17.5481
Purchase         207,892                 17.5020
Purchase         5,770                   17.3516
Purchase         685                     17.4600
Sale             27,264                  17.5902
Sale             21                      17.3376
Sale             59,431                  17.5873
Sale             15,000                  17.4600
Sale             528                     17.3517
Sale             77                      17.3717
Sale             721                     17.4600
Sale             27,275                  17.7366
Sale             1,368                   17.7763
Sale             41,282                  17.5274
Sale             96,053                  17.4334
Sale             147,400                 17.7209
Sale             51,269                  17.6523
Sale             500                     17.8912
Sale             1,837                   17.4600
Sale             475                     17.4212
Sale             600                     17.3312
Sale             445                     17.6225
Sale             392                     17.6225
Sale             0                       16.2493
Sale             21,606                  17.5363

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          21            17.3376
CFD            Long          96053         17.4333
CFD            Long          41282         17.5274
CFD            Long          21606         17.5362
CFD            Long          59431         17.5873
CFD            Long          27264         17.5902
CFD            Long          51269         17.6522
CFD            Long          147400        17.7208
CFD            Long          27275         17.7366
CFD            Long          1368          17.7763
CFD            Short         10725         17.4596
CFD            Short         5759          17.4633
CFD            Short         207892        17.5019
CFD            Short         28920         17.5027
CFD            Short         40750         17.5287
CFD            Short         34300         17.5338
CFD            Short         389307        17.5481
CFD            Short         101389        17.586
CFD            Short         63108         17.5916
CFD            Short         44056         17.6149
CFD            Short         33824         17.8509
CFD            Short         700           17.8629

(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                         14 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                    1,700.0000       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

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