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               19 September 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     126,150,582     5.72%     12,856,519     0.58%
securities
(2) Derivatives    2,827,506     0.13%     16,724,307     0.76%
(other than
options)
(3) Options and       2,700      0.00%        251,000     0.01%
agreements to
purchase/sell
Total           128,980,788      5.84%     29,581,826     1.34%

(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             300                 14.2333
Purchase             648                 14.4700
Purchase             1,522,583           14.4252
Purchase             1,656               14.7703
Purchase             1,360               14.4700
Purchase             20,961              14.5898
Purchase             2,860               14.6188
Purchase             39,574              14.3328
Purchase             2,213               Transfer
Purchase             119                 Transfer
Purchase             250,000             14.4700
Purchase             1,642,284           14.3376
Purchase             591                 14.4700
Purchase             1,489               14.6403
Purchase             107,239             14.2399
Purchase             92,000              14.4700
Purchase             4,200               14.4624
Purchase             171,298             14.3835
Purchase             350,000             13.5395
Purchase             10,992              13.1948
Purchase             189,897             14.2080
Purchase             33,045              14.2401
Purchase             1,900               14.2935
Purchase             231,356             14.3200
Purchase             180,000             12.9824
Purchase             321,885             14.5241
Purchase             19,365              14.7154
Purchase             110                 Transfer
Purchase             21,397              14.3244
Purchase             1,451               14.4700
Purchase             1,997               14.6403
Purchase             15,112              14.4700
Purchase             680                 12.9000
Purchase             2,030               14.4700
Purchase             16,843              12.9000
Purchase             2,120               14.4700
Purchase             2,947               14.6403
Purchase             1,447               14.6188
Purchase             620,535             14.4587
Purchase             738                 14.4467
Purchase             265,018             14.3599
Purchase             3,249               14.4467
Purchase             953                 14.4700
Purchase             21,374              14.4700
Purchase             1,939               14.6188
Purchase             10,447              14.4700
Purchase             646                 14.4467
Purchase             1,576               14.4467
Purchase             2,321               14.6403
Purchase             2,254               14.6188
Purchase             31,163              14.3328
Purchase             1,356               14.4700
Purchase             344                 14.4700
Purchase             19,910              14.3329
Purchase             26,731              14.3329
Sale                 1,656               14.7978
Sale                 272,809             14.3535
Sale                 1,451               14.4700
Sale                 927                 13.5000
Sale                 727                 Transfer
Sale                 30,864              14.2059
Sale                 846                 Transfer
Sale                 110,774             14.5965
Sale                 919,084             14.5213
Sale                 119                 Transfer
Sale                 86,000              14.0152
Sale                 1,629               Transfer
Sale                 1,226               14.4800
Sale                 639                 13.5000
Sale                 5,900               14.4700
Sale                 32,230              14.4700
Sale                 613                 14.4700
Sale                 2,490               14.4700
Sale                 1,549               14.4700
Sale                 6,977               14.4700
Sale                 16,843              12.9000
Sale                 680                 12.9000
Sale                 3,470               14.4700
Sale                 4,174               14.4700
Sale                 1,950               14.6000
Sale                 135                 14.4700
Sale                 15,112              14.4700
Sale                 15,461              14.4700
Sale                 127                 13.0610
Sale                 13,052              14.4700
Sale                 10,992              13.1948
Sale                 1,522,583           14.4252
Sale                 203,113             14.4033
Sale                 125,000             14.4700
Sale                 110                 Transfer
Sale                 4,061               14.3108
Sale                 2,800               14.0063
Sale                 19,365              14.4742
Sale                 300                 14.9500
Sale                 66                  Transfer
Sale                 300                 14.2333
Sale                 2,468               14.4700

NB: The below transactions which were previously disclosed have been cancelled
Deal Date     Purchase/Sale     Number of Securities     Price per unit (GBP)
18/09/2008    Sale              13,767                   13.1810
18/09/2008    Purchase          13,767                   13.1810

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          2800          14.0063
CFD            Long          6196          14.0097
CFD            Long          30864         14.2058
CFD            Long          300           14.2333
CFD            Long          272809        14.3534
CFD            Long          132098        14.3889
CFD            Long          1522583       14.4251
CFD            Long          11837         14.4534
CFD            Long          11300         14.4535
CFD            Long          4253          14.47
CFD            Long          64819         14.4702
CFD            Long          19365         14.4741
CFD            Long          919084        14.5213
CFD            Long          110774        14.5965
CFD            Long          1656          14.7977
CFD            Long          300           14.95
CFD            Short         180000        12.9823
CFD            Short         350000        13.5394
CFD            Short         300           14.2333
CFD            Short         107239        14.2398
CFD            Short         33045         14.24
CFD            Short         1900          14.2935
CFD            Short         21397         14.3244
CFD            Short         1642284       14.3375
CFD            Short         265018        14.3598
CFD            Short         171298        14.3834
CFD            Short         132101        14.3867
CFD            Short         1522583       14.4251
CFD            Short         4200          14.4624
CFD            Short         488434        14.4781
CFD            Short         321885        14.5241
CFD            Short         19365         14.7154
CFD            Short         1656          14.7703

(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                         22 September 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

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