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               14 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      100,629,890     4.56%      3,037,168     0.14%
securities
(2) Derivatives     3,066,414     0.14%      3,352,885     0.15%
options)
(3) Options and     1,002,450     0.05%        752,775     0.03%
agreements to
purchase/sell
Total             104,698,754     4.74%      7,142,828     0.32%

(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         134,154                 17.1466
Purchase         1,038                   Transfer
Purchase         466                     17.4600
Purchase         7                       Transfer
Purchase         10,000                  17.0695
Purchase         26,109                  17.1786
Purchase         18,689                  17.2596
Purchase         48,126                  17.1445
Purchase         97,875                  17.2155
Purchase         121,650                 17.1305
Purchase         132,017                 17.1628
Purchase         5,888                   17.0632
Purchase         10,587                  17.0600
Purchase         745                     17.7700
Purchase         570                     17.7700
Purchase         3,206                   17.2926
Purchase         52,277                  17.4600
Purchase         50,749                  17.2117
Purchase         1,032                   17.3052
Sale             7,295                   17.0600
Sale             5,506                   17.2265
Sale             52,277                  17.4600
Sale             22,516                  17.1880
Sale             7,075                   17.0600
Sale             95                      17.7535
Sale             30,000                  17.0600
Sale             206                     17.0572
Sale             19,720                  17.0605
Sale             300                     17.1912
Sale             16,000                  17.0600
Sale             8,449                   17.0700
Sale             466                     17.4600
Sale             67                      17.7535
Sale             10,000                  17.1767
Sale             600                     17.0512
Sale             98,522                  17.0739
Sale             337                     17.8300
Sale             150                     17.0812
Sale             58,868                  17.1276
Sale             316,521                 17.2238
Sale             120,100                 17.1449

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          206           17.0571
CFD            Long          19720         17.0605
CFD            Long          98522         17.0738
CFD            Long          58868         17.1276
CFD            Long          120100        17.1449
CFD            Long          10000         17.1767
CFD            Long          22516         17.1879
CFD            Long          316521        17.2238
CFD            Long          5506          17.2265
CFD            Short         5888          17.0632
CFD            Short         10000         17.0695
CFD            Short         121650        17.1304
CFD            Short         48126         17.1445
CFD            Short         134154        17.1465
CFD            Short         132017        17.1627
CFD            Short         26109         17.1786
CFD            Short         50749         17.2117
CFD            Short         97875         17.2154
CFD            Short         18689         17.2595
CFD            Short         3206          17.2925

(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                         15 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                    1,500.0000       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               16.000           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