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               28 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     111,670,256       5.06%       535,819     0.02%
securities
(2) Derivatives    2,263,120       0.10%     4,046,677     0.18%
(other than
options)
(3) Options and    1,002,450       0.05%       752,775     0.03%
agreements to
purchase/sell
Total            114,935,826       5.21%     5,335,271     0.24%

(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      35,130               19.5429
Purchase      1,000                19.6918
Purchase      2,016                19.6396
Purchase      67                   Transfer
Purchase      726                  19.5700
Purchase      83,569               19.5432
Purchase      1,182                19.5937
Purchase      822                  19.5932
Purchase      448,799              19.4958
Purchase      199,906              19.5935
Purchase      294                  19.5154
Purchase      2,817                19.3875
Purchase      139                  19.5900
Purchase      501                  19.5737
Purchase      300                  19.4537
Purchase      2,817                19.7200
Purchase      203,514              19.5931
Purchase      19,705               19.4704
Purchase      33,900               19.5263
Purchase      424,628              19.3392
Purchase      189,417              19.5661
Purchase      2,398                19.5900
Purchase      2,404                19.5700
Purchase      5,747                19.5900
Purchase      57,956               19.5900
Sale          424,628              19.3392
Sale          400                  19.5512
Sale          43,335               19.5749
Sale          501                  19.7536
Sale          92,151               19.6532
Sale          5,747                19.5900
Sale          13,600               19.4122
Sale          199                  Transfer
Sale          4,186                19.3500
Sale          2,817                19.7200
Sale          31                   19.2852
Sale          545                  19.5412
Sale          13,000               19.5900
Sale          186                  19.5100
Sale          270                  19.4525
Sale          6,784                19.5054
Sale          2,721                19.5900
Sale          4,399                19.5980
Sale          143,574              19.6157
Sale          10,776               19.5900
Sale          275                  19.6800
Sale          350                  19.3825
Sale          67                   Transfer
Sale          516                  Transfer
Sale          5,080                19.4063

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          424628        19.3392
CFD            Long          4186          19.35
CFD            Long          5080          19.4063
CFD            Long          13600         19.4121
CFD            Long          43335         19.5748
CFD            Long          1388          19.59
CFD            Long          507           19.594
CFD            Long          4399          19.598
CFD            Long          143574        19.6157
CFD            Long          92151         19.6531
CFD            Long          501           19.7535
CFD            Short         424628        19.3392
CFD            Short         300           19.4537
CFD            Short         19705         19.4704
CFD            Short         448799        19.4958
CFD            Short         35130         19.5428
CFD            Short         83569         19.5431
CFD            Short         189417        19.566
CFD            Short         501           19.5737
CFD            Short         204336        19.5931
CFD            Short         199906        19.5934
CFD            Short         1182          19.5937
CFD            Short         2016          19.6395
CFD            Short         1000          19.6917

(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)                 YES


Date of disclosure                         29 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   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
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