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               07 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       99,496,978     4.51%      4,362,719     0.20%
securities
(2) Derivatives     4,136,673     0.19%      3,350,185     0.15%
options)
(3) Options and     1,002,450     0.05%        752,775     0.03%
agreements to
purchase/sell
Total             104,636,101     4.74%      8,465,679     0.38%

(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         11,651                  16.7572
Purchase         1,659                   16.7400
Purchase         181                     16.6365
Purchase         591                     16.6031
Purchase         40,000                  16.5119
Purchase         14,817                  16.7400
Purchase         46,546                  16.8500
Purchase         276                     16.6180
Purchase         313,360                 16.6312
Purchase         29,900                  16.7363
Purchase         35,307                  16.6254
Purchase         1,659                   16.7400
Purchase         10,780                  16.6957
Purchase         6,960                   16.6781
Purchase         6,212                   16.6157
Purchase         1,772                   16.1700
Purchase         7,463                   16.8500
Purchase         38,681                  16.8500
Purchase         500                     16.6088
Purchase         2,698                   16.6821
Purchase         67,000                  16.8500
Purchase         300                     16.5800
Sale             277,394                 16.7717
Sale             566                     16.6700
Sale             83,070                  16.6361
Sale             215                     16.8217
Sale             3,336                   16.7889
Sale             723                     16.6000
Sale             391                     16.6412
Sale             449,760                 16.6122
Sale             1,772                   16.8500
Sale             19,718                  16.7520
Sale             250                     16.5725
Sale             591                     16.5269
Sale             250                     16.6212
Sale             801                     16.6400
Sale             1,772                   16.1700
Sale             104,948                 16.7643
Sale             500                     15.4000
Sale             9,705                   16.6254
Sale             162,494                 16.6666
Sale             8,800                   16.7046
Sale             22,379                  16.8475
Sale             3,200                   16.6276
Sale             1,659                   16.7400
Sale             226                     16.6135
Sale             10,448                  16.8500
Sale             6,952                   16.6678
Sale             300                     16.5825

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          591           16.5268
CFD            Long          449760        16.6122
CFD            Long          9705          16.6253
CFD            Long          3200          16.6276
CFD            Long          83070         16.636
CFD            Long          162494        16.6666
CFD            Long          6952          16.6677
CFD            Long          8800          16.7045
CFD            Long          19718         16.752
CFD            Long          104948        16.7643
CFD            Long          277394        16.7717
CFD            Long          3336          16.7889
CFD            Long          22379         16.8474
CFD            Short         40000         16.5118
CFD            Short         300           16.58
CFD            Short         591           16.6031
CFD            Short         6212          16.6157
CFD            Short         35307         16.6254
CFD            Short         313360        16.6312
CFD            Short         6960          16.678
CFD            Short         10780         16.6957
CFD            Short         29900         16.7363
CFD            Short         11651         16.7571

(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
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.


None

Is a Supplemental Form 8 attached? (Note 9)                 YES


Date of disclosure                         08 April 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                    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                    1,500.0000       EURO           18/12/2009
Option            Purchased   250                    1,500.0000       EURO           18/12/2009
Option            Purchased   250                    1,700.0000       EURO           19/12/2008
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
Option            Purchased   250,000                14.0000          AMER           20/06/2008
Option            Purchased   250,000                14.0000          AMER           20/06/2008

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