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               09 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       99,127,804     4.49%      4,816,290     0.22%
securities
(2) Derivatives     4,613,344     0.21%      3,350,185     0.15%
options)
(3) Options and     1,002,450     0.05%        752,775     0.03%
agreements to
purchase/sell
Total             104,743,598     4.75%      8,919,250     0.40%

(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         106,141                 17.4582
Purchase         137,501                 17.5384
Purchase         3,280                   17.5531
Purchase         43,700                  18.0400
Purchase         100,131                 17.4570
Purchase         8,017                   17.4978
Purchase         73,304                  17.5737
Purchase         42,508                  17.6162
Purchase         21,601                  17.6102
Purchase         135                     17.2900
Purchase         58,912                  17.2086
Purchase         1,117                   17.2900
Purchase         800                     17.5729
Purchase         7,902                   17.7248
Purchase         250                     17.6888
Purchase         17,930                  17.4881
Purchase         3,228                   18.0400
Purchase         282                     17.3100
Purchase         52,045                  17.3943
Purchase         1,674                   17.6200
Purchase         34,135                  18.0400
Sale             21,453                  17.8149
Sale             1,200                   17.4421
Sale             196,694                 17.7091
Sale             40,000                  17.7355
Sale             58                      17.5817
Sale             760,896                 17.4493
Sale             8,100                   17.7466
Sale             205                     17.3112
Sale             8,129                   18.0400
Sale             4,541                   17.3750
Sale             3,000                   17.4700
Sale             387                     17.4912
Sale             250                     17.7412
Sale             1,000                   17.4125
Sale             31,000                  17.3351
Sale             340                     17.4812
Sale             136,488                 17.4530
Sale             450                     17.5412
Sale             17,620                  17.5659
Sale             12,665                  17.2895
Sale             1,119                   17.6135
Sale             48,673                  17.5330
Sale             21,033                  18.0373
Sale             18,748                  18.0400
Sale             335                     17.9512

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          5520          17.267
CFD            Long          12665         17.2894
CFD            Long          31000         17.335
CFD            Long          1200          17.4421
CFD            Long          760896        17.4493
CFD            Long          136488        17.4529
CFD            Long          48673         17.5329
CFD            Long          17620         17.5658
CFD            Long          196694        17.709
CFD            Long          40000         17.7355
CFD            Long          8100          17.7466
CFD            Long          21453         17.8149
CFD            Long          21033         18.0372
CFD            Short         100131        17.4569
CFD            Short         106141        17.4582
CFD            Short         17930         17.488
CFD            Short         8017          17.4978
CFD            Short         137501        17.5384
CFD            Short         3280          17.5531
CFD            Short         800           17.5729
CFD            Short         73304         17.5736
CFD            Short         21601         17.6102
CFD            Short         42508         17.6162
CFD            Short         7902          17.7247

(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                         10 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   500,000                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