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               04 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      100,219,837     4.54%      3,781,113     0.17%
securities
(2) Derivatives     3,442,087     0.16%      3,352,885     0.15%
options)
(3) Options and     1,002,450     0.05%        752,775     0.03%
agreements to
purchase/sell
Total             104,664,374     4.74%      7,886,773     0.36%

(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         186,184                 15.8800
Purchase         337,175                 15.9120
Purchase         3,400                   15.8511
Purchase         651                     15.9455
Purchase         70,000                  16.1700
Purchase         4,247                   15.9455
Purchase         279,276                 16.0100
Purchase         26,318                  15.9899
Purchase         709                     15.9455
Purchase         127,403                 15.8828
Purchase         1,016                   15.9384
Purchase         8,337                   15.9837
Purchase         1,862                   15.8309
Purchase         26,318                  15.9864
Purchase         217                     15.9083
Purchase         25,110                  16.1700
Purchase         139,762                 16.0620
Purchase         1,934                   15.9289
Purchase         96,812                  15.9073
Purchase         72,098                  15.9508
Purchase         5,548                   15.9623
Purchase         315                     15.9488
Purchase         315                     15.9488
Purchase         4,125                   16.0221
Purchase         2,259                   15.6000
Purchase         8,100                   15.9430
Purchase         10,587                  16.1700
Sale             235                     15.8617
Sale             7,410                   15.9315
Sale             1,277                   Transfer
Sale             2,259                   15.6000
Sale             13,000                  16.1400
Sale             2,600                   15.7966
Sale             13,162                  15.9226
Sale             22,600                  15.9848
Sale             1,803                   15.8910
Sale             19,819                  15.8344
Sale             5,548                   15.9623
Sale             3,936                   15.9240
Sale             473                     Transfer
Sale             17,030                  15.9155
Sale             250                     15.9312
Sale             1,862                   15.8309
Sale             250                     15.9012
Sale             500                     15.9712
Sale             125                     15.9400
Sale             250                     15.9400
Sale             370                     15.9525
Sale             155                     15.9012
Sale             951                     15.9300
Sale             400                     15.9412
Sale             532                     15.9512
Sale             7                       15.8629
Sale             294                     15.8625
Sale             450                     15.6425
Sale             200                     15.9125
Sale             346                     15.6425
Sale             26,318                  15.9864
Sale             1,071                   16.1669
Sale             33,178                  16.1700
Sale             10,000                  15.9270
Sale             20,738                  15.8114
Sale             299,782                 15.8190
Sale             185                     15.7212
Sale             441,242                 15.8504
Sale             5,205                   15.9184
Sale             360                     15.9425
Sale             200                     15.8412
Sale             475                     15.9612
Sale             500                     15.9400
Sale             1,500                   15.8625
Sale             465                     15.9400
Sale             117                     Transfer

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          2259          15.6
CFD            Long          2600          15.7966
CFD            Long          299782        15.8189
CFD            Long          19819         15.8344
CFD            Long          441242        15.8503
CFD            Long          1803          15.8909
CFD            Long          17030         15.9155
CFD            Long          5205          15.9184
CFD            Long          3936          15.9239
CFD            Long          10000         15.9269
CFD            Long          22600         15.9847
CFD            Long          1071          16.1669
CFD            Short         2259          15.6
CFD            Short         3400          15.851
CFD            Short         127403        15.8828
CFD            Short         96812         15.9073
CFD            Short         337175        15.912
CFD            Short         1934          15.9289
CFD            Short         8100          15.943
CFD            Short         8337          15.9837
CFD            Short         139762        16.0619

(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                         07 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