Rule 8.3 - BHP BILLITON LTD

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 LIMITED
Class of relevant security    NPV
to which the dealings being
disclosed relate (Note 2)
Date of dealing               20 October 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     144,044,147        4.29%     1,212,320     0.04%
securities
(2) Derivatives      231,618        0.01%         5,734     0.00%
(other than
options)
(3) Options and       34,611        0.00%        32,658     0.00%
agreements to
purchase/sell
Total            144,310,376        4.30%     1,250,712     0.04%

(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      20,299               25.9282 AUD
Purchase      32                   26.0600 AUD
Purchase      477                  25.9282 AUD
Purchase      133                  26.0600 AUD
Purchase      1,943                25.9282 AUD
Purchase      31                   26.0600 AUD
Purchase      453                  25.9282 AUD
Purchase      174                  25.9283 AUD
Purchase      12                   26.0600 AUD
Purchase      6,348                25.9282 AUD
Purchase      2,157                25.9282 AUD
Purchase      1,400                26.0600 AUD
Purchase      126                  26.0600 AUD
Purchase      3,685                25.9282 AUD
Purchase      254                  26.0600 AUD
Purchase      2,514                25.9282 AUD
Purchase      173                  26.0600 AUD
Purchase      366                  26.0600 AUD
Purchase      5,318                25.9282 AUD
Purchase      39,415               26.4900 AUD
Purchase      112,530              26.4900 AUD
Purchase      164,665              26.4874 AUD
Purchase      58,260               25.8241 AUD
Purchase      437                  26.0600 AUD
Purchase      31,739               25.9282 AUD
Purchase      3,018                26.4900 AUD
Purchase      9,315                26.4900 AUD
Purchase      874                  26.0000 AUD
Purchase      3,889                26.0409 AUD
Purchase      29,351               25.8942 AUD
Purchase      44,817               25.0280 AUD
Purchase      4,751                26.2500 AUD
Purchase      17,027               26.4900 AUD
Purchase      38                   26.0600 AUD
Purchase      148                  26.0600 AUD
Purchase      565                  25.9282 AUD
Purchase      1,509                26.4900 AUD
Purchase      2,198                26.0600 AUD
Purchase      209                  26.0600 AUD
Purchase      3,043                25.9282 AUD
Purchase      224                  26.0600 AUD
Purchase      3,249                25.9282 AUD
Purchase      1,103                25.9282 AUD
Purchase      76                   26.0600 AUD
Purchase      157                  26.0600 AUD
Purchase      2,277                25.9282 AUD
Purchase      1,839                25.9282 AUD
Sale          352                  26.0600 AUD
Sale          164,665              26.4874 AUD
Sale          164,665              26.4874 AUD
Sale          5,662                26.0600 AUD

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Short         58260         25.8241

(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            Purchase          1                  30        AMER            17/01/2009 8.9
Call            Purchase          1                  30        AMER            17/01/2009 9.8
Call            Purchase          1                  40        AMER            17/01/2009 4.6
Call            Purchase          1                  50        AMER            22/11/2008 0.5
Call            Purchase          2                  40        AMER            22/11/2008 3.5
Call            Purchase          5                  40        AMER            22/11/2008 3
Call            Purchase          9                  37.5      AMER            17/01/2009 5.8
Call            Purchase          32                 40        AMER            22/11/2008 3.5
Call            Sale              1                  70        AMER            21/02/2009 0.65
Call            Sale              2                  47.5      AMER            22/11/2008 0.95
Call            Sale              2                  70        AMER            17/01/2009 0.3
Put             Purchase          2                  70        AMER            22/11/2008 31.8
Put             Purchase          10                 25        AMER            16/05/2009 2.1
Put             Purchase          13                 85        AMER            22/11/2008 0.00001
Put             Purchase          14                 85        AMER            21/02/2009 0.00001
Put             Sale              2                  45        AMER            22/11/2008 7.3

(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 October 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)


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   19                     40.0000          AMER           21/02/2009
Option            Purchased   35                     62.5000          AMER           22/11/2008
Option            Purchased   34                     45.0000          AMER           17/01/2009
Option            Purchased   31                     40.0000          AMER           17/01/2009
Option            Purchased   28                     50.0000          AMER           22/11/2008
Option            Purchased   26                     60.0000          AMER           16/01/2010
Option            Purchased   23                     60.0000          AMER           17/01/2009
Option            Purchased   22                     30.0000          AMER           17/01/2009
Option            Purchased   13                     45.0000          AMER           22/11/2008
Option            Purchased   20                     80.0000          AMER           22/11/2008
Option            Purchased   44                     100.0000         AMER           17/01/2009
Option            Purchased   18                     47.5000          AMER           22/11/2008
Option            Purchased   17                     130.0000         AMER           17/01/2009
Option            Purchased   16                     70.0000          AMER           21/02/2009
Option            Purchased   16                     105.0000         AMER           21/02/2009
Option            Purchased   15                     55.0000          AMER           16/05/2009
Option            Purchased   15                     45.0000          AMER           22/11/2008
Option            Purchased   26,200                 34.2000          EURO           27/10/2008
Option            Purchased   21                     55.0000          AMER           17/01/2009
Option            Purchased   64                     100.0000         AMER           21/02/2009
Option            Purchased   114                    90.0000          AMER           22/11/2008
Option            Purchased   110                    55.0000          AMER           21/02/2009
Option            Purchased   95                     65.0000          AMER           17/01/2009
Option            Purchased   93                     80.0000          AMER           21/02/2009
Option            Purchased   80                     95.0000          AMER           21/02/2009
Option            Purchased   76                     75.0000          AMER           21/02/2009
Option            Purchased   75                     100.0000         AMER           22/11/2008
Option            Purchased   40                     30.0000          AMER           22/11/2008
Option            Purchased   67                     65.0000          AMER           21/02/2009
Option            Purchased   42                     75.0000          AMER           22/11/2008
Option            Purchased   63                     50.0000          AMER           17/01/2009
Option            Purchased   59                     40.0000          AMER           22/11/2008
Option            Purchased   54                     80.0000          AMER           17/01/2009
Option            Purchased   49                     100.0000         AMER           16/01/2010
Option            Purchased   46                     55.0000          AMER           17/01/2009
Option            Purchased   46                     55.0000          AMER           16/01/2010
Option            Purchased   44                     40.0000          AMER           22/11/2008
Option            Purchased   13                     35.0000          AMER           16/05/2009
Option            Purchased   70                     95.0000          AMER           22/11/2008
Option            Purchased   1                      75.0000          AMER           21/02/2009
Option            Purchased   3                      85.0000          AMER           21/02/2009
Option            Purchased   3                      55.0000          AMER           21/02/2009
Option            Purchased   3                      50.0000          AMER           22/11/2008
Option            Purchased   3                      25.0000          AMER           16/01/2010
Option            Purchased   2                      65.0000          AMER           22/11/2008
Option            Purchased   2                      45.0000          AMER           16/01/2010
Option            Purchased   2                      45.0000          AMER           16/01/2010
Option            Purchased   13                     45.0000          AMER           17/01/2009
Option            Purchased   1                      90.0000          AMER           16/01/2010
Option            Purchased   6                      110.0000         AMER           21/02/2009
Option            Purchased   1                      60.0000          AMER           22/01/2011
Option            Purchased   1                      47.5000          AMER           22/11/2008
Option            Purchased   1                      35.0000          AMER           22/11/2008
Option            Purchased   1                      30.0000          AMER           21/02/2009
Option            Purchased   1                      30.0000          AMER           16/01/2010
Option            Purchased   1                      25.0000          AMER           17/01/2009
Option            Purchased   -26,200                39.4820          EURO           27/10/2008
Option            Purchased   2                      30.0000          AMER           17/01/2009
Option            Purchased   9                      95.0000          AMER           16/01/2010
Option            Purchased   12                     110.0000         AMER           17/01/2009
Option            Purchased   12                     105.0000         AMER           22/11/2008
Option            Purchased   11                     140.0000         AMER           17/01/2009
Option            Purchased   10                     70.0000          AMER           16/01/2010
Option            Purchased   10                     55.0000          AMER           16/05/2009
Option            Purchased   10                     35.0000          AMER           16/01/2010
Option            Purchased   10                     25.0000          AMER           16/05/2009
Option            Purchased   4                      110.0000         AMER           16/01/2010
Option            Purchased   10                     115.0000         AMER           22/11/2008
Option            Purchased   5                      125.0000         AMER           17/01/2009
Option            Purchased   9                      40.0000          AMER           16/01/2010
Option            Purchased   9                      115.0000         AMER           21/02/2009
Option            Purchased   8                      65.0000          AMER           16/01/2010
Option            Purchased   8                      45.0000          AMER           21/02/2009
Option            Purchased   6                      85.0000          AMER           16/01/2010
Option            Purchased   6                      60.0000          AMER           16/05/2009
Option            Purchased   6                      20.0000          AMER           22/01/2011
Option            Purchased   126                    65.0000          AMER           17/01/2009
Option            Purchased   10                     180.0000         AMER           16/01/2010
Option            Purchased   -12                    40.0000          AMER           17/01/2009
Option            Purchased   -6                     95.0000          AMER           17/01/2009
Option            Purchased   -6                     125.0000         AMER           22/11/2008
Option            Purchased   -6                     115.0000         AMER           17/01/2009
Option            Purchased   -7                     65.0000          AMER           21/02/2009
Option            Purchased   -8                     62.5000          AMER           22/11/2008
Option            Purchased   -10                    100.0000         AMER           16/01/2010
Option            Purchased   -11                    80.0000          AMER           16/01/2010
Option            Purchased   119                    70.0000          AMER           22/11/2008
Option            Purchased   -12                    70.0000          AMER           16/01/2010
Option            Purchased   -5                     80.0000          AMER           16/01/2010
Option            Purchased   -13                    85.0000          AMER           17/01/2009
Option            Purchased   -14                    20.0000          AMER           17/01/2009
Option            Purchased   -15                    30.0000          AMER           16/05/2009
Option            Purchased   -17                    130.0000         AMER           16/01/2010
Option            Purchased   -18                    60.0000          AMER           16/01/2010
Option            Purchased   -18                    50.0000          AMER           16/01/2010
Option            Purchased   -19                    120.0000         AMER           17/01/2009
Option            Purchased   -11                    130.0000         AMER           22/11/2008
Option            Purchased   -2                     45.0000          AMER           21/02/2009
Option            Purchased   -1                     35.0000          AMER           22/11/2008
Option            Purchased   -1                     30.0000          AMER           22/01/2011
Option            Purchased   -1                     30.0000          AMER           16/05/2009
Option            Purchased   -1                     25.0000          AMER           22/11/2008
Option            Purchased   -1                     25.0000          AMER           16/01/2010
Option            Purchased   -1                     135.0000         AMER           17/01/2009
Option            Purchased   -2                     95.0000          AMER           16/01/2010
Option            Purchased   -5                     35.0000          AMER           21/02/2009
Option            Purchased   -2                     50.0000          AMER           16/05/2009
Option            Purchased   -5                     40.0000          AMER           22/01/2011
Option            Purchased   -2                     140.0000         AMER           16/01/2010
Option            Purchased   -3                     90.0000          AMER           16/01/2010
Option            Purchased   -3                     80.0000          AMER           22/11/2008
Option            Purchased   -3                     65.0000          AMER           16/01/2010
Option            Purchased   -3                     20.0000          AMER           17/01/2009
Option            Purchased   -3                     160.0000         AMER           16/01/2010
Option            Purchased   -4                     67.5000          AMER           22/11/2008
Option            Purchased   -31                    50.0000          AMER           16/01/2010
Option            Purchased   -2                     85.0000          AMER           21/02/2009
Option            Purchased   602                    75.0000          AMER           17/01/2009
Option            Purchased   -21                    75.0000          AMER           16/01/2010
Option            Purchased   -403                   70.0000          AMER           17/01/2009
Option            Purchased   -435                   80.0000          AMER           17/01/2009
Option            Purchased   -510                   60.0000          AMER           17/01/2009
Option            Purchased   -815                   90.0000          AMER           17/01/2009
Option            Purchased   -1,600                 65.0000          AMER           17/01/2009
Option            Purchased   1,379                  80.0000          AMER           17/01/2009
Option            Purchased   -235                   95.0000          AMER           17/01/2009
Option            Purchased   1,000                  95.0000          AMER           17/01/2009
Option            Purchased   -180                   85.0000          AMER           17/01/2009
Option            Purchased   375                    67.5000          AMER           22/11/2008
Option            Purchased   300                    80.0000          AMER           22/11/2008
Option            Purchased   300                    75.0000          AMER           22/11/2008
Option            Purchased   250                    90.0000          AMER           22/11/2008
Option            Purchased   250                    55.0000          AMER           22/11/2008
Option            Purchased   241                    70.0000          AMER           21/02/2009
Option            Purchased   174                    65.0000          AMER           22/11/2008
Option            Purchased   -1                     90.0000          AMER           17/01/2009
Option            Purchased   1,250                  75.0000          AMER           17/01/2009
Option            Purchased   -80                    60.0000          AMER           22/11/2008
Option            Purchased   120                    90.0000          AMER           21/02/2009
Option            Purchased   -33                    90.0000          AMER           17/01/2009
Option            Purchased   -35                    40.0000          AMER           16/01/2010
Option            Purchased   -36                    105.0000         AMER           17/01/2009
Option            Purchased   -39                    60.0000          AMER           21/02/2009
Option            Purchased   -53                    70.0000          AMER           22/11/2008
Option            Purchased   -60                    70.0000          AMER           17/01/2009
Option            Purchased   -389                   60.0000          AMER           21/02/2009
Option            Purchased   -67                    67.5000          AMER           22/11/2008
Option            Purchased   -25                    37.5000          AMER           17/01/2009
Option            Purchased   -83                    110.0000         AMER           22/11/2008
Option            Purchased   -95                    85.0000          AMER           22/11/2008
Option            Purchased   -107                   85.0000          AMER           22/11/2008
Option            Purchased   -139                   55.0000          AMER           22/11/2008
Option            Purchased   -160                   75.0000          AMER           17/01/2009
Option            Purchased   -162                   80.0000          AMER           17/01/2009
Option            Purchased   -171                   60.0000          AMER           22/11/2008
Option            Purchased   -179                   50.0000          AMER           17/01/2009
Option            Purchased   -61                    55.0000          AMER           22/11/2008


Notes
1. Where there are open option positions or open derivative positions (except for CFD's), 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