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               28 August 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     108,899,809     4.93%      1,265,514     0.06%
securities
(2) Derivatives    2,304,559     0.10%     10,516,696     0.48%
(other than
options)
(3) Options and      502,700     0.02%        751,000     0.03%
agreements to
purchase/sell
Total            111,707,068     5.06%     12,533,210     0.57%


(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                49,645              17.2146
Purchase                161                 Transfer
Purchase                721,137             17.3619
Purchase                36,800              17.4300
Purchase                92,539              17.4500
Purchase                279,036             17.2159
Purchase                4,274               17.2138
Purchase                37,016              17.3900
Purchase                545                 17.2288
Purchase                8,115               17.2326
Purchase                31,127              17.3213
Purchase                46,600              17.0782
Purchase                1,473               17.1227
Purchase                400                 17.1000
Purchase                47                  Transfer
Purchase                2,989               17.4200
Purchase                96,152              17.2617
Purchase                137,915             17.2301
Purchase                1,771               16.8500
Purchase                277,618             17.4500
Purchase                196                 17.2280
Purchase                26,216              17.3000
Purchase                92,539              17.4500
Purchase                105,813             17.1339
Purchase                125                 17.0092
Purchase                280                 17.2296
Purchase                923                 17.0100
Purchase                400                 17.2297
Sale                    250                 17.0703
Sale                    3,410               17.0000
Sale                    1,000               17.4503
Sale                    47                  Transfer
Sale                    225                 17.0603
Sale                    10,057              17.2972
Sale                    400                 17.1000
Sale                    106                 16.8530
Sale                    47                  16.8015
Sale                    33,288              17.1999
Sale                    227                 16.6030
Sale                    109                 16.9530
Sale                    44,213              17.2258
Sale                    114                 16.8615
Sale                    400                 17.0803
Sale                    462                 17.3903
Sale                    5,049               17.2256
Sale                    245                 17.3530
Sale                    289                 16.9803
Sale                    36,800              17.5172
Sale                    54                  16.8530
Sale                    238,417             17.1138
Sale                    969                 Transfer
Sale                    49,957              17.2235
Sale                    545                 17.2972
Sale                    3,000               17.3151
Sale                    216                 17.4495
Sale                    37,016              17.3900

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          10602         17.2972
CFD            Long          3000          17.3151
CFD            Short         46600         17.0781
CFD            Short         400           17.1
CFD            Short         4331          17.1115
CFD            Short         15363         17.1166
CFD            Short         1473          17.1227
CFD            Short         105813        17.1339
CFD            Short         4274          17.2138
CFD            Short         49645         17.2145
CFD            Short         274705        17.2175
CFD            Short         545           17.2288
CFD            Short         137915        17.23
CFD            Short         7211          17.231
CFD            Short         8115          17.2326
CFD            Short         96152         17.2616
CFD            Short         31127         17.3212
CFD            Short         721137        17.3619

(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                         29 August 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               16.0000          AMER           19/09/2008
Option            Purchased   -500,000               9.5000           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
Option            Purchased   -500                   950.0000         EURO           19/12/2008
Option            Purchased   -500                   950.0000         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