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 May 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     104,817,868       4.75%      873,889      0.04%
securities
(2) Derivatives    2,130,904       0.10%     3,876,162     0.18%
(other than
options)
(3) Options and    1,002,450       0.05%       752,775     0.03%
agreements to
purchase/sell
Total             107,951,222      4.89%     5,502,826     0.25%


(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      208                  18.3438
Purchase      7,877                18.2821
Purchase      386                  18.4429
Purchase      173,942              17.9515
Purchase      8,645                18.5250
Purchase      800                  18.3765
Purchase      5,335                18.2821
Purchase      258,923              18.1800
Purchase      203                  Transfer
Purchase      105,066              18.2981
Purchase      17,777               18.2821
Purchase      18,500               18.2218
Purchase      183                  Transfer
Purchase      77,076               17.9515
Purchase      6,814                18.0562
Purchase      52,221               17.9515
Purchase      11,251               18.2190
Purchase      10,620               18.2270
Purchase      550                  18.4185
Purchase      4,807                17.8726
Purchase      3,831                18.5250
Purchase      153                  18.4183
Purchase      570                  18.4429
Purchase      5,017                18.2924
Purchase      7,407                18.2924
Purchase      1,286                18.4429
Purchase      16,716               18.2924
Purchase      2,595                18.5250
Purchase      32,743               17.9527
Sale          276,511              18.1962
Sale          2,657                17.9880
Sale          203                  Transfer
Sale          13,300               18.4321
Sale          183                  Transfer
Sale          4,445                18.5100
Sale          40,074               17.9000
Sale          733                  18.3015
Sale          828                  18.4224
Sale          1,170                18.2912
Sale          1,800                18.1403
Sale          200                  18.5715
Sale          48                   18.4624
Sale          26,235               17.9094
Sale          104                  18.3517
Sale          108,699              18.0638
Sale          5,000                18.1600
Sale          563                  18.4220
Sale          78                   18.2917
Sale          300                  18.3815

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          26235         17.9094
CFD            Long          2657          17.988
CFD            Long          108699        18.0637
CFD            Long          1800          18.1402
CFD            Long          5000          18.16
CFD            Long          276511        18.1962
CFD            Long          13300         18.4321
CFD            Short         4807          17.8725
CFD            Short         32743         17.9526
CFD            Short         6814          18.0562
CFD            Short         11251         18.2189
CFD            Short         18500         18.2217
CFD            Short         10620         18.2269
CFD            Short         105066        18.298
CFD            Short         208           18.3437
CFD            Short         800           18.3765

(c)  Options transactions in respect of existing securities

(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
None

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.




Is a Supplemental Form 8 attached? (Note 9)                 NO


Date of disclosure                         02 May 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