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               21 February 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      105,520,472      4.78%      4,358,991    0.20%
securities
(2) Derivatives     4,318,889      0.20%      4,433,057    0.20%
(other than
options)
(3) Options and     1,003,250      0.05%        752,775    0.03%
agreements to
purchase/sell
Total             110,842,611      5.02%      9,544,823    0.43%


(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      1,385                 16.3665
Purchase      38,455                16.6000
Purchase      283,811               16.6065
Purchase      620                   16.5900
Purchase      350                   16.7175
Purchase      280                   16.4280
Purchase      34,280                16.1878
Purchase      6,000                 16.3031
Purchase      108,536               16.5554
Purchase      55,687                16.6002
Purchase      26,165                16.5903
Purchase      700                   16.6227
Purchase      19,446                16.6028
Purchase      6,000                 16.3000
Purchase      302                   16.4631
Purchase      109,455               16.5819
Sale          18,572                16.6146
Sale          338,980               16.6146
Sale          14,218                16.6146
Sale          780                   16.7012
Sale          200                   16.5525
Sale          132                   16.7012
Sale          500                   16.4425
Sale          525                   16.7312
Sale          125                   16.5335
Sale          150                   16.7125
Sale          23,895                16.4600
Sale          250                   16.7412
Sale          890                   16.4600
Sale          38,455                16.5969
Sale          23,243                16.6146
Sale          45,000                16.4600
Sale          8,883                 16.5559
Sale          125                   16.7412
Sale          13,111                16.6146
Sale          142,206               16.4426
Sale          38,455                16.6000
Sale          250                   16.4812
Sale          14,942                16.6146
Sale          996                   16.7017
Sale          565                   16.6812
Sale          134,229               16.6146
Sale          5,806                 16.6146
Sale          183                   Transfer
Sale          351,468               16.4939
Sale          23,290                16.5140
Sale          31                    16.4317
Sale          239,688               16.5722
Sale          2,606                 16.6029
Sale          160                   16.7112
Sale          6,390                 16.4600
Sale          630                   16.5412
Sale          62,566                16.5855
Sale          43                    16.7517
Sale          300                   16.7012
Sale          6,000                 16.3000
Sale          19,668                16.5261
Sale          4,850                 16.4148
Sale          80                    16.2717
Sale          10,755                16.6146

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)=
CFD            Short         34280         16.1877
CFD            Short         6000          16.303
CFD            Short         1385          16.3665
CFD            Short         302           16.4631
CFD            Short         1187          16.491
CFD            Short         108536        16.5553
CFD            Short         81861         16.5677
CFD            Short         620           16.59
CFD            Short         26165         16.5903
CFD            Short         1057          16.5948
CFD            Short         1497          16.5953
CFD            Short         55687         16.6001
CFD            Short         283811        16.6064
CFD            Short         22756         16.6181
CFD            Short         700           16.6227
CFD            Short         4838          16.6509
CFD            Long          4850          16.4148
CFD            Long          142206        16.4425
CFD            Long          6649          16.4721
CFD            Long          351468        16.4938
CFD            Long          19668         16.5261
CFD            Long          9952          16.5277
CFD            Long          6689          16.5349
CFD            Long          8883          16.5559
CFD            Long          239688        16.5722
CFD            Long          62566         16.5854
CFD            Long          38455         16.5968
CFD            Long          2606          16.6028
CFD            Long          132           16.7012

(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
None

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.




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


Date of disclosure                         22 February 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   350                    1,450.0000       EURO           18/12/2009
Option            Purchased   -250,000               16.0000          AMER           19/09/2008
Option            Purchased   -1,775                 1,600.0000       EURO           20/06/2008
Option            Purchased   -500                   950.0000         EURO           19/12/2008
Option            Purchased   -500                   950.0000         EURO           19/12/2008
Option            Purchased   150                    1,500.0000       EURO           20/03/2008
Option            Purchased   250                    1,500.0000       EURO           18/12/2009
Option            Purchased   -500,000               9.5000           EURO           19/12/2008
Option            Purchased   250                    1,500.0000       EURO           18/12/2009
Option            Purchased   500,000                9.5000           EURO           19/12/2008
Option            Purchased   350                    1,450.0000       EURO           18/12/2009
Option            Purchased   450                    1,400.0000       EURO           20/03/2008
Option            Purchased   500                    1,650.0000       EURO           20/03/2008
Option            Purchased   700                    1,400.0000       EURO           20/03/2008
Option            Purchased   250,000                14.0000          AMER           20/06/2008
Option            Purchased   250,000                14.0000          AMER           20/06/2008
Option            Purchased   250                    1,700.0000       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