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               15 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      107,571,829      4.87%      3,753,463    0.17%
securities
(2) Derivatives     4,118,785      0.19%      4,484,645    0.20%
(other than
options)
(3) Options and     1,002,750      0.05%        752,775    0.03%
agreements to
purchase/sell
Total             112,693,364      5.11%       8,990,883   0.41%


(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      6,858                 15.5100
Purchase      11                    15.4900
Purchase      11,500                15.5100
Purchase      20,832                15.5416
Purchase      450                   15.7990
Purchase      623                   15.7300
Purchase      120,000               15.6039
Purchase      78,673                15.6620
Purchase      9,659                 15.6506
Purchase      132,503               15.5145
Purchase      11,815                15.6166
Purchase      165                   15.6083
Purchase      13,000                15.8215
Purchase      13,247                15.4900
Purchase      27                    Transfer
Purchase      295                   15.6888
Purchase      1,278                 15.7000
Purchase      10,587                15.5100
Purchase      39,026                15.5282
Purchase      600                   15.6975
Purchase      20,365                15.7016
Purchase      280                   15.5575
Purchase      370                   15.7288
Purchase      600,000               14.5000
Purchase      215                   15.6788
Purchase      81,998                15.5993
Purchase      18,008                15.5100
Purchase      17,375                15.7325
Purchase      22,494                15.8099
Purchase      30,000                15.5100
Purchase      33,900                15.8554
Purchase      13,000                15.8245
Purchase      709                   15.6620
Purchase      9,530                 15.5100
Purchase      757                   15.7100
Sale          158,088               15.6249
Sale          6,858                 15.5100
Sale          5,026                 15.5903
Sale          87,251                15.5100
Sale          11                    15.4900
Sale          240,544               15.5100
Sale          38,274                15.5261
Sale          40,603                15.6952
Sale          14,299                15.5903
Sale          7,200                 15.5184
Sale          113                   Transfer
Sale          12,257                15.5947
Sale          121,200               15.6039
Sale          285                   15.6912
Sale          50,688                15.5903
Sale          9,826                 15.5100
Sale          1,972                 15.5903
Sale          13,247                15.4900
Sale          4,894                 15.6336
Sale          27                    Transfer
Sale          115                   Transfer
Sale          11,500                15.5100
Sale          49,147                15.6128
Sale          5,554                 15.5903
Sale          3,012                 15.5555
Sale          900                   15.9074
Sale          13,000                15.8215
Sale          489                   Transfer
Sale          131,037               15.5903
Sale          350                   15.5212
Sale          7,475                 15.5903
Sale          209,148               15.6481
Sale          162,957               15.7498
Sale          138                   Transfer
Sale          4,275                 15.5903
Sale          6,738                 15.6861
Sale          1,595                 15.6735
Sale          366                   Transfer
Sale          10,223                15.5903
Sale          6,276                 15.5100
Sale          18,008                15.5100
Sale          5,522                 15.5903
Sale          13,258                15.5100
Sale          20,365                15.6986
Sale          2,515                 15.5903
Sale          89                    15.7217
Sale          3,742                 15.6579
Sale          20,365                15.7016
Sale          78,900                15.4804
Sale          250,000               16.0000
Sale          1,641                 15.6861
Sale          820                   15.5412

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Short         132503        15.5145
CFD            Short         39026         15.5282
CFD            Short         20832         15.5416
CFD            Short         11459         15.5907
CFD            Short         36725         15.5947
CFD            Short         43759         15.5992
CFD            Short         81998         15.5993
CFD            Short         120000        15.6039
CFD            Short         11815         15.6166
CFD            Short         2421          15.6205
CFD            Short         17375         15.7325
CFD            Short         22494         15.8098
CFD            Short         13000         15.8245
CFD            Long          78900         15.4803
CFD            Long          7200          15.5184
CFD            Long          38274         15.5261
CFD            Long          3012          15.5555
CFD            Long          12257         15.5946
CFD            Long          121200        15.6039
CFD            Long          49147         15.6128
CFD            Long          139415        15.6198
CFD            Long          209148        15.648
CFD            Long          18673         15.6629
CFD            Long          40603         15.6951
CFD            Long          20365         15.6986
CFD            Long          162957        15.7497
CFD            Long          900           15.9074

(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)


(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                         18 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   250                    1,500.0000       EURO           18/12/2009
Option            Purchased   -500,000               9.5000           EURO           19/12/2008
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   500,000                9.5000           EURO           19/12/2008
Option            Purchased   250                    1,500.0000       EURO           18/12/2009
Option            Purchased   250,000                14.0000          AMER           20/06/2008
Option            Purchased   250                    1,700.0000       EURO           19/12/2008
Option            Purchased   350                    1,450.0000       EURO           18/12/2009
Option            Purchased   350                    1,450.0000       EURO           18/12/2009
Option            Purchased   450                    1,400.0000       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   150                    1,500.0000       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