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               13 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     107,295,119       4.86%     2,388,689     0.11%
securities
(2) Derivatives    4,142,233       0.19%     3,458,797     0.16%
(other than
options)
(3) Options and    1,002,450       0.05%       752,775     0.03%
agreements to
purchase/sell
Total            112,439,802       5.09%     6,600,261     0.30%


(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      13,860               20.3326
Purchase      5,365                20.1909
Purchase      13,997               20.1909
Purchase      3,176                20.1906
Purchase      221,696              20.3855
Purchase      16,016               20.2000
Purchase      92                   Transfer
Purchase      54,675               20.4298
Purchase      13,600               20.3113
Purchase      2,125                20.0735
Purchase      16,410               20.4298
Purchase      851                  20.1909
Purchase      46,181               20.3326
Purchase      1,108                20.1913
Purchase      259,366              20.0162
Purchase      11,500               20.2000
Purchase      31,115               20.1009
Purchase      21,311               20.3850
Purchase      24,227               20.4298
Purchase      10,377               20.3183
Purchase      75,492               19.8633
Purchase      195,380              20.2626
Purchase      5,205                19.8125
Purchase      76,331               20.1502
Purchase      288                  Transfer
Purchase      1,876                19.8835
Purchase      7,656                20.1968
Purchase      11,403               19.8835
Purchase      150,355              20.0895
Purchase      2,004                20.2630
Purchase      340                  20.0400
Purchase      12,112               19.9300
Purchase      20,463               20.3326
Purchase      10,261               20.1907
Purchase      12,544               20.2000
Purchase      547                  20.1909
Purchase      19,053               20.2030
Purchase      6,406                20.1909
Purchase      798                  20.2000
Purchase      14,583               19.9300
Purchase      1,543                20.1906
Purchase      602                  20.1909
Purchase      614                  20.1909
Purchase      561                  20.1909
Purchase      1,366                20.0400
Purchase      627                  20.1909
Purchase      722                  20.1909
Sale          151                  19.9935
Sale          203                  20.0217
Sale          108                  19.7017
Sale          7,083                20.2862
Sale          242                  Transfer
Sale          1,540                19.8881
Sale          57                   19.9917
Sale          77,673               19.8983
Sale          10,000               20.2595
Sale          27                   19.9835
Sale          121                  20.2335
Sale          67                   19.6335
Sale          299                  Transfer
Sale          30,690               19.8159
Sale          34                   19.7217
Sale          629                  20.0823
Sale          275                  20.0715
Sale          12,112               19.9300
Sale          508                  20.0608
Sale          3,378                20.0608
Sale          741                  20.0608
Sale          2,245                20.0608
Sale          1,165                20.0608
Sale          677                  20.0608
Sale          536                  20.0608
Sale          14,583               19.9300
Sale          650                  20.2820
Sale          340                  20.0045
Sale          3,316                20.0135
Sale          100                  20.3212
Sale          50                   19.6217
Sale          637                  19.9453
Sale          477,649              20.3294
Sale          288                  Transfer
Sale          32,763               20.1597
Sale          92                   Transfer
Sale          67                   19.9835
Sale          85                   19.9835
Sale          71                   19.9420
Sale          258                  Transfer
Sale          319,021              20.3358
Sale          26                   20.0217
Sale          48,000               20.0449
Sale          130                  20.2115

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          30690         19.8159
CFD            Long          77673         19.8982
CFD            Long          593           19.934
CFD            Long          637           19.9453
CFD            Long          3316          20.0134
CFD            Long          48000         20.0449
CFD            Long          629           20.0823
CFD            Long          32763         20.1597
CFD            Long          10000         20.2595
CFD            Long          7083          20.2861
CFD            Long          477649        20.3294
CFD            Long          319021        20.3357
CFD            Short         5205          19.8125
CFD            Short         75492         19.8632
CFD            Short         259366        20.0162
CFD            Short         2125          20.0735
CFD            Short         150355        20.0894
CFD            Short         31115         20.1009
CFD            Short         76331         20.1502
CFD            Short         19053         20.203
CFD            Short         195380        20.2625
CFD            Short         2004          20.263
CFD            Short         10377         20.3182
CFD            Short         21311         20.3849
CFD            Short         221696        20.3855

(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                         14 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