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               03 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       99,739,189     4.52%      4,260,936     0.19%
securities
(2) Derivatives     3,339,922     0.15%      3,352,885     0.15%
(other than
options)
(3) Options and     1,002,450     0.05%        752,775     0.03%
agreements to
purchase/sell
Total             104,081,561     4.72%       8,366,596    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         62,358                  15.3933
Purchase         320                     15.3588
Purchase         2,790                   15.6000
Purchase         500                     15.3888
Purchase         1,547                   15.5369
Purchase         425                     15.5388
Purchase         7,915                   15.3657
Purchase         33,404                  15.5119
Purchase         320                     15.4588
Purchase         3,745                   15.4900
Purchase         603                     15.5330
Purchase         5,294                   15.5564
Purchase         171,864                 15.4927
Purchase         9,883                   15.5111
Purchase         5,294                   15.5554
Purchase         25,000                  15.5481
Purchase         60,345                  15.5128
Purchase         693                     15.2800
Purchase         3,911                   15.3970
Purchase         15,000                  15.4796
Purchase         17,955                  15.6000
Purchase         625                     15.4988
Purchase         350                     15.6188
Purchase         650                     15.5488
Purchase         40,123                  15.4418
Purchase         370                     15.5188
Purchase         5,032                   15.6000
Purchase         660                     15.5188
Purchase         7,105                   15.6000
Purchase         2,516                   15.6000
Purchase         439                     15.6000
Purchase         275                     15.6000
Sale             13,296                  15.4930
Sale             43,720                  15.4331
Sale             253,708                 15.5059
Sale             374,161                 15.4795
Sale             4,380                   15.4700
Sale             5,294                   15.5564
Sale             328                     15.6000
Sale             2,387                   15.5189
Sale             314                     Transfer
Sale             3,600                   15.4941
Sale             171                     15.4017
Sale             38,800                  15.4312
Sale             66,667                  15.5675
Sale             3,745                   15.4900
Sale             3,745                   15.4900
Sale             693                     15.4700
Sale             5,494                   15.4695
Sale             4,400                   15.0800
Sale             82,116                  15.5127
Sale             897                     15.6000
Sale             500                     15.4212
Sale             200                     15.4112
Sale             8,311                   15.6000
Sale             140                     15.5112
Sale             36,685                  15.5232
Sale             255                     15.4512
Sale             750                     15.3812
Sale             300                     15.4112
Sale             500                     15.4112
Sale             350                     15.5112
Sale             700                     15.3725
Sale             500                     15.5325
Sale             7,600                   15.5343
Sale             348                     15.4425
Sale             263                     15.5970
Sale             320                     15.4512
Sale             9,376                   15.5091
Sale             220                     15.4112
Sale             2,004                   15.5277
Sale             315                     15.3712
Sale             693                     15.2800
Sale             1,080                   15.5100
Sale             264,093                 15.4561
Sale             603                     15.5270
Sale             450                     15.4212

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          38800         15.4311
CFD            Long          43720         15.433
CFD            Long          264093        15.456
CFD            Long          5494          15.4694
CFD            Long          374161        15.4795
CFD            Long          3600          15.4941
CFD            Long          253708        15.5058
CFD            Long          9376          15.509
CFD            Long          82116         15.5126
CFD            Long          2387          15.5189
CFD            Long          603           15.527
CFD            Long          2004          15.5276
CFD            Long          7600          15.5343
CFD            Long          66667         15.5674
CFD            Long          263           15.597
CFD            Short         7915          15.3657
CFD            Short         62358         15.3933
CFD            Short         3911          15.3969
CFD            Short         40123         15.4418
CFD            Short         15000         15.4796
CFD            Short         171864        15.4927
CFD            Short         9883          15.5111
CFD            Short         33404         15.5119
CFD            Short         603           15.5329

(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                         04 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