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               28 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      102,593,041     4.65%      1,573,212     0.07%
securities
(2) Derivatives     2,877,228     0.13%      3,435,000     0.16%
options)
(3) Options and     1,002,450     0.05%        752,775     0.03%
agreements to
purchase/sell
Total             106,472,719     4.82%      5,760,987     0.26%

(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           9,990               18.6535
Purchase           33,530              18.8265
Purchase           22,538              18.7837
Purchase           302,000             18.77
Purchase           10,016              18.7424
Purchase           192,528             18.7753
Purchase           270,000             18.8
Purchase           99                  18.7983
Purchase           800                 18.8868
Purchase           14,700              18.745
Purchase           1,000               18.68
Purchase           34,000              18.5023
Purchase           372                 18.3535
Purchase           5,929               18.7874
Purchase           61,535              18.77
Purchase           528                 18.49
Purchase           895                 18.49
Purchase           3,093               18.49
Purchase           253                 18.49
Purchase           185                 18.5
Purchase           410                 18.9075
Sale               406                 Transfer
Sale               476                 Transfer
Sale               508                 Transfer
Sale               110                 Transfer
Sale               496                 Transfer
Sale               234                 Transfer
Sale               370                 Transfer
Sale               350                 Transfer
Sale               326                 Transfer
Sale               326                 Transfer
Sale               564                 Transfer
Sale               2,485               18.7664
Sale               130                 Transfer
Sale               330                 Transfer
Sale               506                 Transfer
Sale               670                 Transfer
Sale               432                 Transfer
Sale               638                 Transfer
Sale               340                 Transfer
Sale               75                  18.7717
Sale               224                 Transfer
Sale               2,000               18.7469
Sale               320                 Transfer
Sale               192                 Transfer
Sale               470                 Transfer
Sale               188                 Transfer
Sale               38                  18.6317
Sale               286                 Transfer
Sale               418                 Transfer
Sale               1,330               Transfer
Sale               390                 Transfer
Sale               406                 Transfer
Sale               410                 Transfer
Sale               106,827             18.7678
Sale               416                 Transfer
Sale               74,777              18.7677
Sale               514                 Transfer
Sale               970                 Transfer
Sale               561                 18.9017
Sale               254                 Transfer
Sale               232                 Transfer
Sale               582                 Transfer
Sale               470                 Transfer
Sale               58                  Transfer
Sale               722                 Transfer
Sale               562                 Transfer
Sale               202                 Transfer
Sale               240                 Transfer
Sale               284                 Transfer
Sale               528                 Transfer
Sale               17,302              18.7203
Sale               18,830              18.7601
Sale               568                 Transfer
Sale               440                 Transfer
Sale               646                 Transfer
Sale               496                 Transfer
Sale               508                 Transfer
Sale               488                 Transfer
Sale               785                 18.84
Sale               956                 Transfer
Sale               484                 Transfer
Sale               752                 Transfer
Sale               268                 Transfer
Sale               634                 Transfer
Sale               214                 Transfer
Sale               1,678               Transfer
Sale               840                 Transfer
Sale               538                 Transfer
Sale               180                 Transfer
Sale               180                 Transfer
Sale               334                 Transfer
Sale               46,908              18.7604
Sale               188                 Transfer
Sale               542                 Transfer
Sale               82                  Transfer
Sale               1,603               18.7772
Sale               116                 Transfer
Sale               206                 Transfer
Sale               464                 Transfer
Sale               100                 Transfer
Sale               546                 Transfer
Sale               526                 Transfer
Sale               270,000             18.8
Sale               1,372               Transfer
Sale               744                 Transfer
Sale               1,538               Transfer
Sale               157,883             18.765
Sale               890                 Transfer
Sale               530                 Transfer
Sale               716                 Transfer
Sale               100                 18.8315
Sale               32,440              18.77
Sale               1,050               18.82
Sale               290                 18.8312
Sale               350                 18.7512
Sale               809                 18.35
Sale               174                 Transfer
Sale               1,198               Transfer
Sale               302                 Transfer
Sale               282                 Transfer
Sale               202                 Transfer
Sale               1,484               Transfer
Sale               744                 Transfer
Sale               600                 18.9035
Sale               678                 Transfer
Sale               1,852               Transfer
Sale               2,588               Transfer
Sale               434                 Transfer
Sale               600                 Transfer
Sale               464                 18.7535
Sale               422                 Transfer
Sale               254                 Transfer
Sale               270                 Transfer
Sale               274                 Transfer
Sale               8,690               18.7685
Sale               354                 Transfer
Sale               690                 Transfer
Sale               670                 Transfer
Sale               208                 Transfer
Sale               336                 Transfer
Sale               342                 Transfer
Sale               4,325               18.7868
Sale               270                 Transfer
Sale               316                 Transfer
Sale               770                 Transfer
Sale               534                 Transfer
Sale               214                 Transfer
Sale               234                 Transfer
Sale               1,186               Transfer
Sale               1,568               Transfer
Sale               76                  Transfer
Sale               290                 Transfer
Sale               252                 Transfer
Sale               318                 Transfer
Sale               258                 Transfer
Sale               634                 Transfer
Sale               88                  Transfer
Sale               514                 Transfer
Sale               880                 Transfer
Sale               482                 Transfer
Sale               1,782               Transfer
Sale               532                 Transfer
Sale               468                 Transfer
Sale               332                 Transfer
Sale               194                 Transfer
Sale               250                 Transfer
Sale               692                 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          17302         18.7203
CFD            Long          2000          18.7469
CFD            Long          18830         18.7601
CFD            Long          46908         18.7604
CFD            Long          2485          18.7664
CFD            Long          181604        18.7677
CFD            Long          8690          18.7684
CFD            Long          1603          18.7771
CFD            Short         372           18.3534
CFD            Short         34000         18.5023
CFD            Short         9990          18.6535
CFD            Short         10016         18.7423
CFD            Short         14700         18.7449
CFD            Short         192528        18.7752
CFD            Short         22538         18.7836
CFD            Short         33530         18.8265
CFD            Short         800           18.8868

(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                         29 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