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               08 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     106,608,441       4.83%     1,973,413     0.09%
securities
(2) Derivatives    3,685,416       0.17%     3,498,386     0.16%
(other than
options)
(3) Options and    1,002,450       0.05%       752,775     0.03%
agreements to
purchase/sell
Total            111,296,307       5.04%     6,224,574     0.28%


(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      1,222                19.9700
Purchase      44,839               19.9700
Purchase      7,626                19.3348
Purchase      2,581                19.6638
Purchase      10,697               19.9700
Purchase      12,674               19.8187
Purchase      245                  19.7385
Purchase      28,389               19.9028
Purchase      19,935               19.6629
Purchase      1,040                19.9700
Purchase      205                  19.9283
Purchase      113,302              19.9182
Purchase      12,500               19.5300
Purchase      12,759               19.7313
Purchase      3,302                19.3277
Purchase      35,200               19.9794
Purchase      29,500               19.8854
Purchase      87                   19.9133
Purchase      16,400               19.6210
Purchase      1,603                19.9530
Purchase      2,024                19.6706
Purchase      21,000               19.9700
Purchase      17,140               19.9365
Purchase      5,143                19.3348
Purchase      17,208               19.3348
Purchase      722                  19.7900
Purchase      2,024                19.4000
Purchase      142,726              19.6671
Purchase      455                  19.9700
Purchase      57,548               19.7918
Purchase      24,387               19.7940
Purchase      55,039               19.7919
Purchase      19,438               19.7944
Purchase      1,386                19.9700
Purchase      28,774               19.7937
Purchase      22,301               19.9700
Purchase      814                  19.6100
Purchase      77,856               19.7919
Purchase      46,068               19.7924
Purchase      24,174               19.7940
Purchase      8,340                19.6237
Purchase      121,813              19.7921
Purchase      4,821                19.9700
Purchase      28,605               19.8187
Purchase      37,561               19.7931
Purchase      97,669               19.7921
Purchase      3,594                19.9700
Purchase      4,008                19.9700
Purchase      250                  19.6375
Purchase      798                  19.9700
Purchase      9,103                19.9700
Purchase      35,928               19.9700
Purchase      6,828                19.7727
Purchase      8,583                19.8187
Sale          74                   Transfer
Sale          25,051               19.8494
Sale          43,632               19.6525
Sale          700                  19.7063
Sale          471,813              19.6784
Sale          136                  19.9735
Sale          2,562                19.6070
Sale          869                  19.3700
Sale          250                  19.6912
Sale          200                  19.8015
Sale          250                  19.9230
Sale          657                  19.3700
Sale          300                  19.8612
Sale          35,800               19.9700
Sale          253                  19.8717
Sale          459                  19.9217
Sale          61                   19.8417
Sale          67                   19.6135
Sale          45,748               19.7371
Sale          51,000               19.5073
Sale          2,024                19.4000
Sale          15,621               19.6940
Sale          4,048                19.6400
Sale          132,044              19.7116
Sale          1,668                19.7542
Sale          722                  19.7900

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          51000         19.5072
CFD            Long          43632         19.6524
CFD            Long          471813        19.6784
CFD            Long          15621         19.694
CFD            Long          700           19.7062
CFD            Long          132044        19.7115
CFD            Long          45748         19.7371
CFD            Long          1668          19.7542
CFD            Long          57776         19.7787
CFD            Long          722           19.79
CFD            Short         16400         19.621
CFD            Short         8340          19.6237
CFD            Short         19935         19.6629
CFD            Short         2581          19.6638
CFD            Short         142726        19.667
CFD            Short         12759         19.7313
CFD            Short         722           19.79
CFD            Short         7784          19.8415
CFD            Short         29500         19.8854
CFD            Short         87            19.9133
CFD            Short         113302        19.9182
CFD            Short         17140         19.9365
CFD            Short         1603          19.9529
CFD            Short         35200         19.9793


(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                         09 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