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               20 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      106,423,111      4.82%      3,870,930    0.18%
securities
(2) Derivatives     3,879,569      0.18%      4,256,867    0.19%
(other than
options)
(3) Options and     1,003,250      0.05%        752,775    0.03%
agreements to
purchase/sell
Total             111,305,930      5.04%      8,880,572    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      1,700                 16.1943
Purchase      8,883                 16.1328
Purchase      3,507                 16.2024
Purchase      589                   16.1800
Purchase      128,475               16.1535
Purchase      46                    16.1800
Purchase      590                   15.9730
Purchase      47,000                16.1300
Purchase      8,126                 16.1900
Purchase      25,000                16.2131
Purchase      64,904                16.1499
Purchase      25,000                16.2100
Purchase      1,718                 16.1800
Purchase      4,944                 16.1900
Purchase      1,319                 16.1800
Purchase      435                   16.1800
Purchase      2,061                 16.1500
Purchase      4,000                 16.1600
Purchase      100                   16.2431
Purchase      107,86                16.1631
Purchase      63,482                16.1484
Purchase      441                   16.1800
Purchase      49,898                16.0665
Purchase      669                   16.1800
Purchase      1,954                 16.1800
Purchase      1,565                 16.1800
Purchase      1,825                 16.1800
Purchase      264                   16.0065
Purchase      10,000                16.0900
Purchase      3,032                 16.1602
Purchase      702                   16.1900
Purchase      8,266                 16.1300
Purchase      467                   16.1331
Purchase      30,839                16.0864
Purchase      68,000                16.3828
Purchase      267                   16.1800
Purchase      1,000                 16.1427
Purchase      559                   16.1800
Purchase      939                   16.1500
Purchase      2,121                 16.1900
Sale          225                   16.1512
Sale          112,269               16.1374
Sale          349,886               16.2039
Sale          225                   16.1512
Sale          104,610               16.2354
Sale          200                   16.1512
Sale          25,000                16.2100
Sale          104,802               16.1300
Sale          200                   16.1512
Sale          31,860                16.1300
Sale          2,810                 16.2422
Sale          97,361                16.1299
Sale          900                   16.1912
Sale          250                   16.1512
Sale          250                   16.1912
Sale          1,160                 16.1300
Sale          20,552                16.0014
Sale          1,038                 Transfer
Sale          10,000                16.0900
Sale          34,280                16.1878
Sale          510                   16.2525
Sale          271                   16.1235
Sale          11,559                16.1300
Sale          1,000                 16.1625
Sale          389,094               16.1692
Sale          230                   16.1912
Sale          200                   16.1512
Sale          2,200                 16.2889
Sale          5,192                 16.1713
Sale          5,046                 16.1300
Sale          10,000                16.0869
Sale          260                   16.1512
Sale          19,300                16.0136
Sale          39,825                16.1300
Sale          300                   16.1512

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)=
CFD            Short         49898         16.0665
CFD            Short         30839         16.0863
CFD            Short         52335         16.1136
CFD            Short         8883          16.1328
CFD            Short         467           16.133
CFD            Short         83065         16.1419
CFD            Short         1000          16.1427
CFD            Short         63482         16.1483
CFD            Short         64904         16.1498
CFD            Short         3032          16.1601
CFD            Short         107863        16.163
CFD            Short         5000          16.1711
CFD            Short         40410         16.1748
CFD            Short         1700          16.1943
CFD            Short         3507          16.2024
CFD            Short         25000         16.213
CFD            Short         100           16.2431
CFD            Long          20552         16.0014
CFD            Long          19300         16.0135
CFD            Long          10000         16.0869
CFD            Long          96429         16.1282
CFD            Long          112269        16.1373
CFD            Long          389094        16.1692
CFD            Long          349886        16.2039
CFD            Long          104610        16.2353
CFD            Long          2810          16.2422
CFD            Long          2200          16.2889
CFD            Long          932           16.2984

(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                         21 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   -500                   950.0000         EURO           19/12/2008
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   500,000                9.5000           EURO           19/12/2008
Option            Purchased   -500,000               9.5000           EURO           19/12/2008
Option            Purchased   450                    1,400.0000       EURO           20/03/2008
Option            Purchased   -1,775                 1,600.0000       EURO           20/06/2008
Option            Purchased   350                    1,450.0000       EURO           18/12/2009
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   250                    1,500.0000       EURO           18/12/2009
Option            Purchased   250                    1,700.0000       EURO           19/12/2008
Option            Purchased   350                    1,450.0000       EURO           18/12/2009
Option            Purchased   -250,000               16.0000          AMER           19/09/2008

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