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               25 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      102,441,368     4.64%      1,886,514     0.09%
securities
(2) Derivatives     2,919,530     0.13%      3,438,250     0.16%
options)
(3) Options and     1,002,450     0.05%        752,775     0.03%
agreements to
purchase/sell
Total             106,363,348     4.82%      6,077,539     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         21,269                  18.4109
Purchase         2,604                   18.4348
Purchase         417,677                 18.4522
Purchase         35,399                  18.4348
Purchase         280,364                 18.3600
Purchase         3,206                   18.5278
Purchase         1,535                   18.5000
Purchase         1,032                   18.4900
Purchase         1,412                   18.4348
Purchase         50,180                  18.3749
Purchase         663                     18.4348
Purchase         79,103                  18.2558
Purchase         9,965                   18.2534
Purchase         188,940                 18.3962
Purchase         187,699                 18.4284
Purchase         130                     Transfer
Purchase         161,728                 18.3293
Purchase         10,210                  18.2494
Purchase         161,728                 18.3294
Purchase         2,602                   18.3295
Purchase         275                     18.4800
Purchase         1,329                   18.5000
Purchase         10,798                  18.5000
Purchase         1,127                   18.3487
Purchase         294                     18.4900
Purchase         13,544                  18.4348
Purchase         3,159                   18.5013
Purchase         1,334                   18.4348
Purchase         350                     18.3675
Purchase         20,573                  18.4043
Purchase         175                     18.3884
Purchase         2,019                   18.4348
Purchase         1,118                   18.4348
Purchase         1,477                   18.4348
Purchase         1,607                   18.4900
Purchase         69,026                  18.3428
Sale             21                      18.4871
Sale             2,656                   18.4965
Sale             29,754                  18.4100
Sale             5,338                   18.4957
Sale             39,000                  18.4552
Sale             3,159                   18.4911
Sale             17,200                  18.4279
Sale             2,742                   18.5000
Sale             236                     18.5000
Sale             2,570                   18.1944
Sale             1,000                   18.4215
Sale             425                     18.4115
Sale             275                     18.4625
Sale             750                     18.3812
Sale             130                     Transfer
Sale             430                     18.5125
Sale             29,000                  18.4943
Sale             13,431                  18.5000
Sale             440                     18.2412
Sale             547,769                 18.4374
Sale             74,424                  18.4508
Sale             352                     18.5000
Sale             161,728                 18.3293
Sale             49,683                  18.3527
Sale             18,000                  18.5000

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          49683         18.3526
CFD            Long          29754         18.4099
CFD            Long          17200         18.4279
CFD            Long          547769        18.4374
CFD            Long          74424         18.4508
CFD            Long          39000         18.4552
CFD            Long          21            18.4871
CFD            Long          3159          18.491
CFD            Long          5338          18.4956
CFD            Long          2656          18.4964
CFD            Short         10210         18.2494
CFD            Short         9965          18.2534
CFD            Short         79103         18.2558
CFD            Short         2602          18.3295
CFD            Short         69026         18.3428
CFD            Short         1127          18.3486
CFD            Short         50180         18.3749
CFD            Short         188940        18.3961
CFD            Short         20573         18.4042
CFD            Short         21269         18.4108
CFD            Short         187699        18.4283
CFD            Short         417677        18.4521
CFD            Short         3159          18.5013
CFD            Short         3206          18.5277

(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                         28 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   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
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

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