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 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     117,923,919     5.34%      1,585,399     0.07%
securities
(2) Derivatives    2,957,102     0.13%     16,743,905     0.76%
(other than
options)
(3) Options and        2,700     0.00%          1,000     0.00%
agreements to
purchase/sell
Total            120,883,721     5.48%     18,330,304     0.83%

(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           Price per unit
                   Securities          (GBP)
Purchase           350                 9.7647
Purchase           3,273               9.7769
Purchase           104,672             9.2677
Purchase           12,988              9.5416
Purchase           6,028               9.1600
Purchase           4,733               9.1600
Purchase           2,118               9.2437
Purchase           3,291               10.8337
Purchase           308                 10.9797
Purchase           1,185               9.7847
Purchase           35,885              9.5448
Purchase           28,513              10.8337
Purchase           28,513              9.2437
Purchase           35,694              9.1600
Purchase           5,528               9.2437
Purchase           5,528               10.8337
Purchase           1,048               10.8337
Purchase           1,047               9.2437
Purchase           2,125               10.8337
Purchase           287,692              9.7933
Purchase           6,203               9.4466
Purchase           8,250               9.4453
Purchase           500                 9.5750
Purchase           44,685              9.5122
Purchase           4,300               9.6736
Purchase           55                  10.7297
Purchase           10,500              9.8150
Purchase           101                 10.0597
Purchase           394,683             9.4538
Purchase           2,124               9.2437
Purchase           8,570               9.6621
Purchase           697                 Transfer
Purchase           749,139             9.5596
Purchase           20,000              10.1301
Purchase           48                  11.3297
Purchase           55,000              10.3155
Purchase           4,863               10.2300
Purchase           123,233             9.8836
Purchase           8,172               10.8337
Purchase           19,176              10.7700
Purchase           16,779              10.7700
Purchase           1,480               9.1600
Purchase           1,937               9.7769
Purchase           1,480               9.1600
Purchase           2,119               10.8337
Purchase           2,032               9.1600
Purchase           6,305               10.8337
Purchase           6,305               9.2437
Purchase           7,344               10.7700
Purchase           8,172               9.2437
Purchase           1,484               10.7700
Purchase           2,330               9.2437
Purchase           2,330               10.8337
Purchase           2,013               9.2437
Purchase           2,014               10.8337
Purchase           1,606               9.2437
Purchase           1,606               10.8337
Purchase           10,158              10.8337
Purchase           10,158              9.2437
Purchase           3,291               9.2437
Purchase           2,982               9.1600
Purchase           3,417               9.2437
Purchase           271                 10.8337
Purchase           23,868              9.1600
Purchase           1,612               9.7769
Purchase           2,111               9.7769
Purchase           270                 9.2437
Purchase           5,472               9.2437
Purchase           5,473               10.8337
Purchase           3,418               10.8337
Purchase           12,852              10.7700
Purchase           4,042               10.8337
Purchase           190,570             10.7700
Purchase           4,042               9.2437
Purchase           91,800              10.7700
Purchase           11,016              10.7700
Sale               3,400               9.7650
Sale               500                 9.5750
Sale               528,010             9.4341
Sale               416                 Transfer
Sale               93                  Transfer
Sale               183,128             9.4835
Sale               6,200               9.7176
Sale               247,335             9.4118
Sale               55                  10.9705
Sale               600                 9.7613
Sale               43,653              9.5028
Sale               662,412             9.4563
Sale               10,000              9.0886
Sale               161                 10.0700
Sale               38,078              9.1600
Sale               8,570               9.6631
Sale               8,570               9.6621
Sale               34,699              9.5706
Sale               992                 9.2536
Sale               6,480               9.2559
Sale               10,000              9.8109
Sale               438                 Transfer
Sale               30,000              9.4159
Sale               3,473               10.5000
Sale               45,000              9.3606
Sale               17,702              10.7700
Sale               2,013               9.7350
Sale               200,000             Transfer
Sale               697                 Transfer
Sale               9,814               9.2562

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          10000         9.0886
CFD            Long          9665          9.2307
CFD            Long          414305        9.3453
CFD            Long          45000         9.3606
CFD            Long          247335        9.4118
CFD            Long          30000         9.4158
CFD            Long          528010        9.4341
CFD            Long          183128        9.4834
CFD            Long          43653         9.5028
CFD            Long          34699         9.5705
CFD            Long          500           9.575
CFD            Long          238442        9.658
CFD            Long          8570          9.662
CFD            Long          6200          9.7176
CFD            Long          3400          9.7649
CFD            Long          10000         9.8108
CFD            Short         20000         10.1301
CFD            Short         55000         10.3154
CFD            Short         710           11.1601
CFD            Short         4112          9.16
CFD            Short         147825        9.2082
CFD            Short         104672        9.2676
CFD            Short         8250          9.4453
CFD            Short         6203          9.4466
CFD            Short         44685         9.5122
CFD            Short         12988         9.5415
CFD            Short         35885         9.5448
CFD            Short         749139        9.5596
CFD            Short         500           9.575
CFD            Short         235347        9.5951
CFD            Short         4300          9.6736
CFD            Short         11511         9.7192
CFD            Short         287692        9.7932
CFD            Short         123233        9.8836

(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                         16 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)


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                   950.0000         EURO           19/12/2008
Option            Purchased   750                    2,200.0000       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   250                    1,900.0000       EURO           18/12/2009
Option            Purchased   250                    1,900.0000       EURO           18/12/2009
Option            Purchased   250                    1,700.0000       EURO           19/12/2008
Option            Purchased   250                    1,500.0000       EURO           18/12/2009
Option            Purchased   250                    1,500.0000       EURO           18/12/2009

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