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 January 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      112,647,108      5.10%     2,783,712     0.13%
securities
(2) Derivatives     3,965,095      0.18%     4,113,320     0.19%
(other than
options)
(3) Options and     1,002,150      0.05%       752,775     0.03%
agreements to
purchase/sell
Total             117,614,353      5.33%      7,649,807    0.35%

(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      60,000                12.9782
Purchase      480                   12.3875
Purchase      114,091               12.8933
Purchase      9,200                 12.9535
Purchase      1,250                 13.0675
Purchase      1,636                 12.9759
Purchase      717,633               12.8052
Purchase      700                   12.7421
Purchase      60,000                12.9828
Purchase      10,700                12.8602
Purchase      300                   12.9875
Purchase      20,796                12.9860
Purchase      39                    13.4683
Purchase      290                   13.1788
Purchase      1,452                 12.9100
Purchase      4,500                 12.7620
Purchase      11,070                12.7745
Purchase      3,917                 12.3500
Purchase      63,051                12.6444
Purchase      231,895               12.9142
Purchase      158,082               12.6642
Purchase      192,377               12.9580
Purchase      1,004,233             12.9186
Purchase      4,800                 12.7602
Purchase      179,661               12.6131
Purchase      2,900                 12.6221
Purchase      11,712                12.9256
Purchase      12,700                12.6800
Purchase      466                   12.7788
Purchase      196,919               12.8452
Purchase      211                   13.1883
Purchase      1,401,482             12.7796
Purchase      2,400                 13.0722
Purchase      14,482                12.9644
Purchase      19,408                12.9419
Purchase      197,586               12.6075
Purchase      6,764                 12.8625
Purchase      340,651               12.0451
Purchase      8,446                 13.0113
Purchase      1,636                 12.9750
Purchase      3,761                 12.7797
Purchase      91,187                13.0033
Purchase      1,619                 12.3523
Purchase      148,000               12.6409
Purchase      1,581,143             12.7604
Purchase      131,562               12.7779
Purchase      2,400                 13.0722
Purchase      15,827                12.3500
Purchase      2,004                 13.1300
Purchase      250                   12.6290
Purchase      700                   12.7421
Purchase      14,482                12.9653
Purchase      443,627               12.8995
Purchase      192,377               12.9580
Purchase      25,733                12.8992
Purchase      149,049               12.9357
Purchase      179,661               12.6107
Purchase      400                   12.7180
Purchase      226                   13.0230
Sale          196,919               12.8452
Sale          19,408                12.9419
Sale          60,000                12.9803
Sale          4,800                 12.7602
Sale          14,482                12.9644
Sale          11,712                12.9243
Sale          197,586               12.6064
Sale          179,661               12.6107
Sale          9,200                 12.9522
Sale          567                   12.9100
Sale          2,400                 13.0722
Sale          8,446                 13.0113
Sale          63,051                12.6432
Sale          91,187                13.0008
Sale          1,636                 12.9750
Sale          1,636                 12.9759
Sale          2,004                 13.1280
Sale          192,377               12.9555
Sale          201,964               12.9171
Sale          12,700                12.6800
Sale          14,482                12.9653
Sale          1,047                 13.4617
Sale          192,377               12.9580
Sale          10,700                12.8589
Sale          443,627               12.8982
Sale          94                    12.5335
Sale          149,049               12.9357
Sale          1,619                 12.3500
Sale          94                    12.8217
Sale          222                   13.2000
Sale          94                    12.5535
Sale          60,000                12.9757
Sale          11,070                12.7745
Sale          94                    12.8035
Sale          1,196,610             12.9249
Sale          148,000               12.6409
Sale          20,796                12.9860
Sale          75                    12.8437
Sale          717,633               12.8029
Sale          3,761                 12.7797
Sale          25,733                12.8992
Sale          700                   12.7421
Sale          114,091               12.8922
Sale          340,651               12.0451
Sale          2,900                 12.6221
Sale          179,661               12.6107
Sale          231,895               12.9119
Sale          4,500                 12.7620
Sale          11,070                12.7745
Sale          1,004,233             12.9186
Sale          6,764                 12.8625
Sale          1,401,482             12.7796
Sale          131,562               12.7754

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Short         1619          12.3523
CFD            Short         197586        12.6075
CFD            Short         179661        12.6131
CFD            Short         2900          12.622
CFD            Short         63051         12.6444
CFD            Short         700           12.7421
CFD            Short         4800          12.7602
CFD            Short         4500          12.762
CFD            Short         26546         12.7746
CFD            Short         131562        12.7778
CFD            Short         717633        12.8052
CFD            Short         196919        12.8452
CFD            Short         11712         12.9256
CFD            Short         9200          12.9534
CFD            Short         60000         12.9781
CFD            Short         2400          13.0722
CFD            Long          11070         12.7745
CFD            Long          3761          12.7797
CFD            Long          10700         12.8589
CFD            Long          3632          12.8621
CFD            Long          6764          12.8625
CFD            Long          114091        12.8921
CFD            Long          443627        12.8982
CFD            Long          231895        12.9119
CFD            Long          19408         12.9419
CFD            Long          192377        12.9555
CFD            Long          60000         12.9802
CFD            Long          20796         12.9859
CFD            Long          91187         13.0008
CFD            Long          2004          13.128

(c)  Options transactions in respect of existing securities

(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)
CALL            Purchasing        375                48        EURO            20/03/2008    2


(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 January 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                    1,600.0000       EURO           15/02/2008
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               16.0000          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   700                    1,400.0000       EURO           20/03/2008
Option            Purchased   500                    1,500.0000       EURO           15/02/2008
Option            Purchased   450                    1,400.0000       EURO           20/03/2008
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