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               29 April 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      103,028,703     4.67%      1,307,551     0.06%
securities
(2) Derivatives     2,611,567     0.12%      3,510,713     0.16%
options)
(3) Options and     1,002,450     0.05%        752,775     0.03%
agreements to
purchase/sell
Total             106,642,720     4.83%      5,571,039     0.25%

(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         270                    18.4365
Purchase         19,126                 18.2363
Purchase         50,109                 18.2363
Purchase         802                    18.4400
Purchase         8,245                  18.1800
Purchase         28,013                 18.2828
Purchase         3,290                  18.2373
Purchase         35,685                 18.2698
Purchase         483                    18.7700
Purchase         237,338                18.2776
Purchase         65,973                 18.4167
Purchase         998                    18.7700
Purchase         515                    18.2800
Purchase         55,140                 18.3671
Purchase         112,396                18.3507
Purchase         8,630                  18.4436
Purchase         400                    18.0988
Purchase         2,002                  18.2342
Purchase         1,893                  18.2340
Purchase         2,065                  18.2343
Purchase         1,572                  18.2338
Purchase         2,753                  18.2360
Purchase         4,609                  18.1800
Purchase         385                    18.1588
Purchase         624                    18.1800
Purchase         1,332                  18.1800
Purchase         937                    18.2324
Purchase         3,385                  18.1800
Sale             200                    18.3270
Sale             27,891                 18.3154
Sale             27,839                 18.2242
Sale             131                    18.2317
Sale             483                    18.7700
Sale             7,207                  18.1900
Sale             59,937                 18.2155
Sale             314                    18.1800
Sale             20,836                 18.2938
Sale             34,145                 18.2511
Sale             108                    Transfer
Sale             998                    18.7700
Sale             148                    18.1817
Sale             23,285                 18.3409
Sale             257                    18.4225
Sale             850                    18.0712
Sale             956                    18.2205
Sale             6,568                  18.2388
Sale             55                     18.2835
Sale             1,100                  18.2697


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          59937         18.2154
CFD            Long          27839         18.2241
CFD            Long          6568          18.2387
CFD            Long          34145         18.2511
CFD            Long          1100          18.2697
CFD            Long          20836         18.2938
CFD            Long          27891         18.3153
CFD            Long          200           18.327
CFD            Long          23285         18.3408
CFD            Short         35685         18.2697
CFD            Short         237338        18.2775
CFD            Short         28013         18.2827
CFD            Short         112396        18.3506
CFD            Short         55140         18.3671
CFD            Short         65973         18.4167
CFD            Short         8630          18.4435

(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
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.


None

Is a Supplemental Form 8 attached? (Note 9)                 YES


Date of disclosure                         30 April 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                14.0000          AMER           20/06/2008
Option            Purchased   250,000                14.0000          AMER           20/06/2008
Option            Purchased   500                    1,900.0000       EURO           18/12/2009
Option            Purchased   500                    1,900.0000       EURO           18/12/2009
Option            Purchased   350                    1,450.0000       EURO           18/12/2009
Option            Purchased   350                    1,450.0000       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   -1,775                 1,600.0000       EURO           20/06/2008
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