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               01 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       99,057,717     4.49%      4,996,015     0.23%
securities
(2) Derivatives     3,938,255     0.18%      3,361,355     0.15%
(other than
options)
(3) Options and    1,002,450      0.05%        752,775     0.03%
agreements to
purchase/sell
Total             103,998,422     4.71%      9,110,145     0.41%

(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         27,891                  14.6903
Purchase         2,393                   14.7133
Purchase         71                      Transfer
Purchase         1,000                   14.8825
Purchase         284                     14.6483
Purchase         5,600                   14.6755
Purchase         670                     14.6988
Purchase         572,067                 14.6736
Purchase         37,476                  14.6912
Purchase         154,694                 14.6959
Purchase         1,551                   14.6800
Purchase         13,240                  14.6596
Purchase         529                     14.6700
Purchase         58                      14.6800
Purchase         476                     14.7287
Purchase         115,489                 14.9175
Purchase         1,705                   14.6616
Purchase         6,450                   14.6850
Purchase         144                     14.6700
Purchase         263                     14.6700
Purchase         942                     14.6800
Purchase         97                      14.6300
Purchase         50                      14.6700
Purchase         537                     14.6700
Purchase         10,000                  14.7828
Purchase         810                     14.6800
Purchase         67,800                  14.6925
Purchase         1,566                   14.6800
Purchase         4,500                   14.6416
Purchase         3,630                   14.8221
Purchase         172                     14.6665
Purchase         500                     14.6588
Purchase         5,588                   14.7011
Purchase         2,847                   14.7287
Purchase         1,540                   14.7287
Purchase         1,600                   16.1581
Purchase         16,209                  14.9500
Purchase         405                     14.7287
Purchase         2,249                   14.7287
Purchase         688                     14.8000
Purchase         500                     14.6675
Purchase         886                     14.7287
Purchase         7,140                   14.9500
Purchase         12,575                  14.9500
Purchase         885                     14.7287
Purchase         2,515                   14.9500
Purchase         2,981                   14.9500
Purchase         4,069                   14.7287
Purchase         5,753                   14.7287
Sale             950                     14.7812
Sale             86                      Transfer
Sale             400                     14.8500
Sale             482                     14.6212
Sale             67                      Transfer
Sale             42                      14.6417
Sale             1,683                   14.9472
Sale             1,339                   14.6612
Sale             54,293                  14.6156
Sale             8,935                   14.7212
Sale             258                     14.5417
Sale             6,450                   14.6850
Sale             6,274                   14.9178
Sale             4,409                   14.8260
Sale             5,045                   14.9500
Sale             88,162                  14.8465
Sale             22,830                  14.7005
Sale             5,352                   14.5998
Sale             222                     14.7417
Sale             13,853                  14.9500
Sale             200                     14.6912
Sale             71                      Transfer
Sale             400                     14.6508
Sale             3,500                   14.7500
Sale             500                     14.7412
Sale             350                     14.5512
Sale             1,250                   14.6512
Sale             380                     14.6012
Sale             800                     14.7612
Sale             550                     14.7512
Sale             410                     14.6412
Sale             630                     14.6612
Sale             515                     14.6825
Sale             370                     14.6512
Sale             315                     14.6825
Sale             250                     14.6712
Sale             110                     14.7112
Sale             650                     14.5725
Sale             375                     14.6825
Sale             500                     14.6612
Sale             800                     14.9400
Sale             300                     16.1712
Sale             10,595                  14.7342
Sale             41,700                  14.6562
Sale             500                     14.6512
Sale             12,700                  14.8529
Sale             100                     14.6512
Sale             414,329                 14.6299
Sale             200                     14.6212
Sale             843                     14.6944
Sale             300                     14.6112
Sale             188,800                 14.9500
Sale             400                     14.6825
Sale             300                     14.6825

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          414329        14.6298
CFD            Long          41700         14.6561
CFD            Long          1339          14.6611
CFD            Long          843           14.6944
CFD            Long          22830         14.7005
CFD            Long          10595         14.7342
CFD            Long          4409          14.8259
CFD            Long          88162         14.8465
CFD            Long          400           14.85
CFD            Long          12700         14.8528
CFD            Long          800           14.94
CFD            Long          1683          14.9471
CFD            Short         4500          14.6415
CFD            Short         13240         14.6595
CFD            Short         1705          14.6616
CFD            Short         572067        14.6736
CFD            Short         5600          14.6755
CFD            Short         6450          14.6849
CFD            Short         37476         14.6911
CFD            Short         67800         14.6925
CFD            Short         154694        14.6959
CFD            Short         5588          14.7011
CFD            Short         10000         14.7828
CFD            Short         3630          14.822
CFD            Short         1000          14.8825
CFD            Short         115489        14.9175

(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                         02 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   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

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