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               11 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    108,800,798        4.93%     2,104,651     0.10%
securities
(2) Derivatives   2,450,335        0.11%     9,962,329     0.45%
(other than
options)
(3) Options and     502,700        0.02%       751,000     0.03%
agreements to
purchase/sell
Total           111,753,833        5.06%    12,817,980     0.58%

(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                1,000               15.3105
Purchase                8,634               15.1272
Purchase                745                 14.8000
Purchase                46                  15.2079
Purchase                92,538              14.9600
Purchase                2,025               14.8824
Purchase                88,043              15.0739
Purchase                92,985              14.9786
Purchase                90,144              15.2250
Purchase                650                 14.8024
Purchase                85                  14.8479
Purchase                1,447               15.4000
Purchase                76,100              15.2076
Purchase                138,806             14.8800
Purchase                25,000              14.8106
Purchase                11,845              15.2620
Purchase                138,806             14.9600
Purchase                76,506              14.9789
Purchase                1,288               Transfer
Purchase                470,966             15.2952
Purchase                32                  14.9622
Purchase                370,150             14.9300
Purchase                21,000              15.4077
Purchase                121,496             15.2070
Purchase                13,000              14.8800
Sale                    527                 14.8800
Sale                    126,120             15.1360
Sale                    28,140              14.8800
Sale                    106                 Transfer
Sale                    175                 15.4016
Sale                    2,750               15.0992
Sale                    17,768              14.9100
Sale                    310                 15.0712
Sale                    175                 15.0221
Sale                    1,986               14.8800
Sale                    176,116             15.3707
Sale                    11,222              14.9451
Sale                    370,150             14.9300
Sale                    76,100              15.2076
Sale                    32,000              15.3544
Sale                    83                  15.0842
Sale                    95,319              14.8564
Sale                    26,172              15.3707
Sale                    1,288               Transfer
Sale                    218                 15.0342
Sale                    87,350              15.1983
Sale                    71,472              14.8538
Sale                    32,710              14.9064
Sale                    1,169               Transfer
Sale                    650                 15.2258
Sale                    216                 15.2242
Sale                    294,381             15.2664
Sale                    46                  15.3121

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          71472         14.8537
CFD            Long          95319         14.8564
CFD            Long          4296          14.883
CFD            Long          32710         14.9063
CFD            Long          11222         14.945
CFD            Long          2750          15.0992
CFD            Long          126120        15.1359
CFD            Long          87350         15.1983
CFD            Long          76100         15.2075
CFD            Long          650           15.2257
CFD            Long          294381        15.2663
CFD            Long          4889          15.3208
CFD            Long          32000         15.3544
CFD            Long          26172         15.3706
CFD            Long          176116        15.3707
CFD            Short         650           14.8023
CFD            Short         25000         14.8106
CFD            Short         197           14.8413
CFD            Short         2025          14.8823
CFD            Short         32            14.9621
CFD            Short         92985         14.9786
CFD            Short         76309         14.9792
CFD            Short         88043         15.0738
CFD            Short         8634          15.1272
CFD            Short         121496        15.2069
CFD            Short         76100         15.2075
CFD            Short         90144         15.2249
CFD            Short         470966        15.2952
CFD            Short         1000          15.3105
CFD            Short         21000         15.4077

(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                         12 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   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
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

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