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               06 May 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     106,401,047       4.82%     1,389,976     0.06%
securities
(2) Derivatives    3,009,603       0.14%     3,888,030     0.18%
(other than
options)
(3) Options and    1,002,450       0.05%       752,775     0.03%
agreements to
purchase/sell
Total            110,413,100       5.00%     6,030,781     0.27%


(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      38,232               19.2620
Purchase      18,633               19.1451
Purchase      473,307              19.1451
Purchase      600,156              19.2627
Purchase      47,547               19.3029
Purchase      21,854               19.1417
Purchase      24,098               19.1519
Purchase      3,735                19.1417
Purchase      20,236               19.2089
Purchase      30,055               19.1451
Purchase      1,071                19.1417
Purchase      11,015               19.2665
Purchase      8,836                19.1451
Purchase      23,428               19.2646
Purchase      2,282                19.1417
Purchase      176,703              19.1451
Purchase      17,527               18.7595
Purchase      4,300                19.1345
Purchase      60,000               19.4800
Purchase      13,655               19.1262
Purchase      2,048                19.1175
Purchase      350                  Transfer
Purchase      7,303                19.1519
Purchase      129,821              19.1889
Purchase      223,983              19.2628
Purchase      205                  19.1661
Purchase      25,020               19.1755
Purchase      29,655               19.1434
Purchase      20,000               18.6685
Purchase      2,793                19.1770
Purchase      156,155              19.3417
Purchase      61                   Transfer
Purchase      16,138               19.1519
Purchase      12,770               19.1519
Purchase      81,104               19.1519
Purchase      17,767               19.1519
Purchase      54,436               19.1519
Purchase      12,524               19.1519
Purchase      58,543               19.1417
Purchase      29,416               19.1519
Purchase      2,148                19.1417
Purchase      33,555               19.1519
Purchase      615                  19.1519
Purchase      26,346               19.1349
Purchase      3,143                19.1417
Purchase      32,250               19.2638
Purchase      18,546               19.2650
Purchase      22,055               19.2647
Purchase      25,562               19.1451
Purchase      24,618               19.2645
Purchase      2,400                19.1417
Purchase      19,575               19.1451
Purchase      17,549               19.1451
Purchase      12,300               19.1519
Purchase      1,418                19.1770
Purchase      14,780               19.1451
Purchase      8,230                19.4800
Purchase      1,804                19.1417
Sale          12,814               19.1114
Sale          442                  19.1400
Sale          63                   19.1400
Sale          100                  19.1400
Sale          665                  19.1600
Sale          1,400                19.1800
Sale          470,042              19.1620
Sale          2,303                19.1700
Sale          4,000                19.2623
Sale          706                  19.1400
Sale          57                   Transfer
Sale          309                  19.1600
Sale          2,362                19.1248
Sale          1,965                19.1400
Sale          39                   19.1400
Sale          350                  Transfer
Sale          1,621                19.1790
Sale          698                  19.1400
Sale          693                  19.1500
Sale          1,243                19.1400
Sale          657                  19.1400
Sale          820                  19.1400
Sale          9                    19.1400
Sale          2,300                19.1520
Sale          1,519                19.1800
Sale          35,750               19.2660
Sale          734                  19.1500
Sale          61                   Transfer
Sale          191,002              19.2046
Sale          200                  19.0816
Sale          863                  19.1500
Sale          3,200                19.1413
Sale          331                  19.1600
Sale          1,172                19.1500
Sale          28,417               19.1909
Sale          643                  19.1300
Sale          968                  19.1600
Sale          500                  19.1325
Sale          2,000                19.1400
Sale          110                  19.1330
Sale          326                  19.1000
Sale          1,913                19.4800
Sale          1,350                19.1486
Sale          3,018                19.1486
Sale          1,114                19.1486
Sale          46,449               19.4800
Sale          1,488                19.1800
Sale          628                  19.1500
Sale          664                  19.1400
Sale          200,039              19.1463
Sale          674                  19.1300
Sale          1,047                19.1400
Sale          5,600                19.1691
Sale          519                  19.1500
Sale          590                  19.1600
Sale          118,586              19.1238
Sale          1,400                19.2650
Sale          1,230                19.1400
Sale          471                  19.1400
Sale          381                  19.1600
Sale          29,655               19.1434
Sale          752                  19.1300
Sale          770                  19.1400
Sale          962                  19.1400

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          118586        19.1237
CFD            Long          2362          19.1247
CFD            Long          7897          19.1406
CFD            Long          233714        19.1407
CFD            Long          3200          19.1412
CFD            Long          29655         19.1433
CFD            Long          200039        19.1463
CFD            Long          2300          19.152
CFD            Long          470042        19.1619
CFD            Long          28417         19.1909
CFD            Long          191002        19.2046
CFD            Long          1400          19.265
CFD            Long          35750         19.2659
CFD            Short         20000         18.6685
CFD            Short         17527         18.7595
CFD            Short         2048          19.1175
CFD            Short         4300          19.1345
CFD            Short         25020         19.1754
CFD            Short         129821        19.1888
CFD            Short         20236         19.2088
CFD            Short         47547         19.3029
CFD            Short         156155        19.3417

(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)                 NO


Date of disclosure                         07 May 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                    1,500.0000       EURO           18/12/2009
Option            Purchased   250                    1,500.0000       EURO           18/12/2009
Option            Purchased   250                    1,700.0000       EURO           19/12/2008
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