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 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      109,079,101     4.94%     6,766,489      0.31%
securities
(2) Derivatives     6,162,812     0.28%       974,881      0.04%
(other than
options)
(3) Options and     1,002,150     0.05%       752,775      0.03%
agreements to
purchase/sell
Total             116,244,063     5.27%      8,494,145     0.38%

(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      53,000                15.5400
Purchase      209,843               15.3154
Purchase      350                   15.0888
Purchase      102,812               15.1795
Purchase      23,921                15.0875
Purchase      2,500                 15.1739
Purchase      22,600                15.2201
Purchase      717,650               15.2909
Purchase      1,494                 15.2331
Purchase      181,824               15.4646
Purchase      320                   15.0988
Purchase      5,700                 15.0333
Purchase      295,901               15.4045
Purchase      21,743                15.0467
Purchase      21,743                15.0495
Purchase      7,858                 15.1538
Purchase      52,271                15.0566
Purchase      12,907                15.5391
Purchase      83,750                15.2422
Purchase      76,978                15.2440
Purchase      1,191                 15.5671
Purchase      296                   15.1423
Purchase      107,288               15.4974
Purchase      1,040                 14.9600
Purchase      946                   15.5601
Purchase      29,074                15.4648
Purchase      43,886                15.2016
Purchase      473                   15.5400
Purchase      391,729               15.1694
Purchase      8,400                 15.4679
Purchase      209                   15.0513
Purchase      5,700                 15.0352
Purchase      695,907               15.2986
Purchase      6,527                 15.3419
Purchase      54,254                15.3808
Purchase      868                   15.2165
Purchase      250                   15.3775
Purchase      5,700                 15.0333
Purchase      1,494                 15.2398
Purchase      57,253                15.2697
Sale          2,065                 15.4425
Sale          8,400                 15.4649
Sale          22,600                15.2201
Sale          209,843               15.3127
Sale          21,743                15.0467
Sale          5,700                 15.0333
Sale          56                    15.2917
Sale          695,907               15.2986
Sale          1,820                 15.0712
Sale          1,494                 15.2331
Sale          391,729               15.1694
Sale          95,257                15.2700
Sale          295,901               15.4045
Sale          7,858                 15.1510
Sale          10,923                15.0200
Sale          107,288               15.4960
Sale          1,494                 15.2398
Sale          57,253                15.2683
Sale          946                   15.5601
Sale          102,812               15.1795
Sale          23,921                15.0875
Sale          1,191                 15.5671
Sale          76,978                15.2413
Sale          1,070                 15.1719
Sale          2,500                 15.1739
Sale          83,750                15.2393
Sale          54,254                15.3808
Sale          19,270                15.1719
Sale          29,074                15.4632
Sale          52,271                15.0551
Sale          5,700                 15.0333
Sale          215                   15.2720
Sale          71,443                15.0500
Sale          296                   15.1400
Sale          2,500                 15.1739
Sale          295,901               15.4045
Sale          41                    15.0317
Sale          53,000                15.5400
Sale          21,743                15.0467
Sale          4,218                 15.5400
Sale          473                   15.5370
Sale          12,907                15.5376
Sale          6,527                 15.3390
Sale          79,606                15.3988
Sale          80                    15.2635
Sale          181,824               15.4631
Sale          201                   15.2735
Sale          5,318                 15.5400

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Short         5700          15.0352
CFD            Short         21743         15.0495
CFD            Short         52271         15.0566
CFD            Short         18951         15.0918
CFD            Short         296           15.1422
CFD            Short         7858          15.1538
CFD            Short         3651          15.1762
CFD            Short         102812        15.1794
CFD            Short         83750         15.2421
CFD            Short         3340          15.2883
CFD            Short         209843        15.3154
CFD            Short         38302         15.3576
CFD            Short         181824        15.4645
CFD            Long          2500          15.1739
CFD            Long          76978         15.2412
CFD            Long          6527          15.3389
CFD            Long          54254         15.3808
CFD            Long          29074         15.4632
CFD            Long          8400          15.4649
CFD            Long          30238         15.4901
CFD            Long          77050         15.4982
CFD            Long          473           15.537
CFD            Long          12907         15.5375

(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                         15 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   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
Option            Purchased   250                    1,600.0000       EURO           15/02/2008
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               16.0000          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