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               30 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     104,469,497       4.73%      872,089      0.04%
securities
(2) Derivatives    2,129,104       0.10%    4,117,755      0.19%
(other than
options)
(3) Options and    1,002,450       0.05%      752,775      0.03%
agreements to
purchase/sell
Total             107,601,051      4.88%    5,742,619      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      1,018                18.0304
Purchase      5,583                18.0034
Purchase      266,383              17.8998
Purchase      114                  17.7829
Purchase      405,783              17.9004
Purchase      7,582                18.0000
Purchase      278                  Transfer
Purchase      9,817                18.0000
Purchase      30,867               17.9482
Purchase      651                  18.0000
Purchase      28,489               17.8625
Purchase      1,346                18.0658
Purchase      16,737               17.9581
Purchase      14,790               17.9076
Purchase      49,154               18.2123
Purchase      72,549               18.2123
Purchase      407                  18.0234
Purchase      133,593              17.8970
Purchase      321,188              17.9810
Purchase      48,836               18.0000
Purchase      2,046                18.0776
Purchase      163,726              18.2123
Purchase      117                  Transfer
Purchase      33,310               17.9227
Purchase      187,990              18.1300
Purchase      153,742              18.0238
Purchase      681                  18.1800
Purchase      4,115                18.0000
Purchase      680                  17.8700
Purchase      513                  18.0000
Purchase      1,018                18.0000
Purchase      280                  18.0638
Sale          27,220               17.9446
Sale          136,167              18.0259
Sale          681                  18.1800
Sale          179                  17.8217
Sale          665                  Transfer
Sale          178                  18.0935
Sale          117                  Transfer
Sale          22,000               17.9725
Sale          1,603                18.0773
Sale          108,800              18.0037
Sale          9,700                18.0650
Sale          1,621                18.0000
Sale          1,071                18.0800
Sale          16,232               17.7900
Sale          11,022               18.0000
Sale          200                  17.9812
Sale          360                  17.8212
Sale          1,000                18.1415
Sale          550                  18.0515
Sale          52,635               18.0000
Sale          1,666                18.0000
Sale          550                  17.8015
Sale          1,381                18.0000
Sale          47,000               18.0000
Sale          561                  18.0000
Sale          278                  Transfer
Sale          2,065                18.0000
Sale          12,474               18.0000
Sale          180                  17.8625
Sale          1,148                18.0000
Sale          6,972                18.0000
Sale          2,664                18.0000
Sale          7,432                18.0000
Sale          24,934               18.0000
Sale          1,000                17.8415
Sale          500                  18.1212
Sale          15,383               18.0070
Sale          4,000                17.8198
Sale          400                  17.8816

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          4000          17.8198
CFD            Long          27220         17.9445
CFD            Long          22000         17.9724
CFD            Long          108800        18.0037
CFD            Long          15383         18.007
CFD            Long          136167        18.0259
CFD            Long          9700          18.065
CFD            Long          1603          18.0772
CFD            Short         114           17.7828
CFD            Short         28489         17.8624
CFD            Short         133593        17.897
CFD            Short         266383        17.8998
CFD            Short         405783        17.9004
CFD            Short         14790         17.9076
CFD            Short         33310         17.9226
CFD            Short         30867         17.9482
CFD            Short         16737         17.9581
CFD            Short         321188        17.981
CFD            Short         5583          18.0034
CFD            Short         407           18.0234
CFD            Short         153742        18.0238
CFD            Short         1346          18.0658
CFD            Short         2046          18.0775

(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                         01 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