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               19 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     107,482,967       4.87%     2,601,351     0.12%
securities
(2) Derivatives    4,350,449       0.20%     3,454,140     0.16%
(other than
options)
(3) Options and    1,002,450       0.05%       752,775     0.03%
agreements to
purchase/sell
Total            112,835,866       5.11%     6,808,266     0.31%


(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      1,138                21.5075
Purchase      41,795               21.6126
Purchase      136                  Transfer
Purchase      110,032              21.6872
Purchase      178,179              21.5866
Purchase      359                  21.6600
Purchase      111,077              21.7271
Purchase      137,820              21.5813
Purchase      8,911                21.8058
Purchase      35,281               21.6615
Purchase      502                  21.8114
Purchase      237                  21.7200
Purchase      3,050                21.4747
Purchase      3,474                21.4747
Purchase      7,280                21.6841
Purchase      130                  Transfer
Purchase      1,511                21.6536
Purchase      8,327                21.7130
Purchase      33                   21.5178
Purchase      44,837               21.6267
Purchase      11,199               21.6799
Purchase      3,012                21.6868
Purchase      53,878               21.6802
Purchase      8,586                21.6815
Purchase      7,366                21.6832
Purchase      6,134                21.6837
Purchase      6,475                21.6836
Purchase      10,587               21.9600
Purchase      3,204                21.6865
Purchase      5,469                21.6840
Purchase      66,543               21.6803
Purchase      165,565              21.6803
Purchase      26,569               21.6435
Purchase      2,372                21.7200
Purchase      51,653               21.6802
Sale          1,603                21.5068
Sale          128                  21.8017
Sale          1,670                21.5400
Sale          67,800               21.6383
Sale          253                  21.5635
Sale          80                   21.7135
Sale          94                   21.6917
Sale          828                  21.6600
Sale          61,572               21.7431
Sale          500                  21.6230
Sale          1,541                21.9558
Sale          45                   21.6487
Sale          449                  21.6400
Sale          200                  21.5730
Sale          658                  21.5986
Sale          1,120                21.5759
Sale          290                  21.5616
Sale          4,700                21.6007
Sale          12,000               21.5700
Sale          1,068                21.6500
Sale          249                  21.7100
Sale          350                  21.4835
Sale          265                  21.5840
Sale          160                  21.5730
Sale          190                  21.5712
Sale          120,257              21.9600
Sale          8,000                21.6659
Sale          30                   21.4917
Sale          871                  21.6652
Sale          167,789              21.7932
Sale          8,150                21.7564
Sale          3,595                21.5986
Sale          77                   21.4535
Sale          2,058                21.5986
Sale          70                   21.5817
Sale          2,445                21.5986
Sale          130                  Transfer
Sale          1,281                21.6700
Sale          166                  21.4517
Sale          1,316                21.5659
Sale          136                  Transfer
Sale          150                  21.5730
Sale          871                  21.5986
Sale          17,132               21.7059
Sale          100                  21.5730

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          1603          21.5067
CFD            Long          1316          21.5659
CFD            Long          1120          21.5759
CFD            Long          8000          21.6658
CFD            Long          61572         21.7431
CFD            Long          8150          21.7563
CFD            Long          167789        21.7931
CFD            Long          1541          21.9558
CFD            Short         137820        21.5812
CFD            Short         178179        21.5865
CFD            Short         41795         21.6125
CFD            Short         44837         21.6266
CFD            Short         1511          21.6536
CFD            Short         35281         21.6614
CFD            Short         7280          21.6841
CFD            Short         110032        21.6871
CFD            Short         8327          21.7129
CFD            Short         111077        21.7271

(C) Options transactions in respect of existing securities
(d) Other dealings (including new securities) (Note 4)
CFD Short 502 21.8113
(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                         20 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