Rule 8.3- BHP Billiton PLC

Royal Bank of Scotland Group PLC
06 February 2008


                                   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 (Note 1)                          Royal Bank of Scotland
                                                         Group Plc
Company dealt in                                         BHP Billiton Plc
Class of relevant security to which the dealings being   ORD USD 0.50
disclosed relate (Note 2)

Date of dealing                                          5 February 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 securities          22,236,772    (0.9960%)    803,913    (0.0360%)
(2) Derivatives (other than
options)                             22,700    (0.0010%)    152,606    (0.0068%)
(3) Options and agreements to
purchase/sell                     3,473,000    (0.1555%)  3,960,000    (0.1773%)
                       Total     25,732,472    (1.1525%)  4,916,519    (0.2201%)



(b) Interests and short positions in relevant securities of the company, other
than the class dealt in (Note 3)

          Class of relevant security:                  Long            Short
                                                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 (Note 5)
Purchase                               1,000   15.8200 GBP
Purchase                                 558   15.8300 GBP
Purchase                                 586   15.8400 GBP
Purchase                                 571   15.8500 GBP
Purchase                               1,239   15.8800 GBP
Purchase                               1,581   15.8900 GBP
Purchase                                 681   15.9000 GBP
Purchase                               3,492   15.9100 GBP
Purchase                              11,684   15.9200 GBP
Purchase                               1,937   15.9300 GBP
Purchase                               1,946   15.9400 GBP
Purchase                               2,000   15.9500 GBP
Purchase                               8,685   15.9600 GBP
Purchase                               9,273   15.9700 GBP
Purchase                               1,342   15.9900 GBP
Purchase                               6,095   16.0000 GBP
Purchase                               5,000   16.0100 GBP
Purchase                               1,941   16.0200 GBP
Purchase                               1,132   16.0300 GBP
Purchase                                 566   16.0400 GBP
Purchase                                 549   16.0500 GBP
Purchase                               1,739   16.0600 GBP
Purchase                               1,692   16.0700 GBP
Purchase                               1,674   16.0800 GBP
Purchase                               2,315   16.0900 GBP
Purchase                               5,534   16.1000 GBP
Purchase                               3,786   16.1100 GBP
Purchase                              24,986   16.1200 GBP
Purchase                               1,125   16.1300 GBP
Purchase                               5,857   16.1400 GBP
Purchase                             102,115   16.1500 GBP
Purchase                                 732   16.1600 GBP
Purchase                                 545   16.1700 GBP
Purchase                                 571   16.1800 GBP
Purchase                               2,598   16.1900 GBP
Purchase                               5,000   16.2000 GBP
Purchase                                 732   16.2200 GBP
Purchase                             352,316   16.1070 GBP
Purchase                               2,600   15.9700 GBP
Purchase                               5,000   15.8920 GBP
Purchase                               5,000   16.0500 GBP
Sale                                 200,000   15.9385 GBP
Sale                                  83,620   15.9442 GBP
Sale                                   1,000   16.0200 GBP
Sale                                  48,459   16.0360 GBP
Sale                                   3,000   16.0800 GBP
Sale                                  40,000   16.1000 GBP
Sale                                   1,500   16.1200 GBP
Sale                                  15,000   16.0840 GBP
Sale                                     316   15.9200 GBP
Sale                                     440   15.9200 GBP

(b)               Derivatives transactions (other than options)
Product      Long/short (Note   Number of securities (Note Price per unit (Note
name,        6)                 7)                         5)
e.g. CFD
Jun 2008 Put
Warrant      Long                                   5230   0.0900 EUR
Dec 2008
Call         Short                                   180   0.5600 EUR
Warrant
Dec 2008
Call         Short                                  5000   0.4000 EUR
Warrant
Jun 2009
Call         Long                                    450   0.2080 EUR
Warrant

(c)                Options transactions in respect of existing securities


(i)                  Writing, selling, purchasing or varying

Product Writing,       Number of          Exercise Type, e.g.  Expiry Option
name,   selling,       securities to               American,          money
        purchasing,    which the option            European
        varying etc.   relates (Note 7)            etc.
e.g.                                      price                date   paid/
call                                                                  received
option                                                                per unit
                                                                      (Note 5)
Feb
2008    Purchasing              400,000   15.0000  American    15/02/ 0.2350 GBP
Put                                       GBP                  2008
Option


(ii) Exercising

Product name, e.g. call       Number of           Exercise price per unit (Note
option                        securities          5)

(d) Other dealings (including new securities) (Note 4)
Nature of transaction (Note 8)  Details  Price per unit (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.




Is a Supplemental Form 8 attached? (Note 9) YES/NO



Date of disclosure                                             6 February 2008

Contact name                                                   Richard Hopkins

Telephone number                                               [phone]

If a connected EFM, name of offeree/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 Written   Number of securities to     Exercise    Type, e.g.      Expiry
name,   or        which the option or         price (Note American,       date
        purchased derivative relates          2)          European etc.
e.g.
call
option
Feb
2008    Purchased                   400,000   15.000 GBP  American        15 Feb
Put                                                                       2008
Option
Mar
2008    Purchased                   250,000   18.000 GBP  American        20 Mar
Call                                                                      2008
Option
Mar
2008    Written                     250,000   19.000 GBP  American        20 Mar
Call                                                                      2008
Option
Mar
2008    Purchase                    750,000   12.000 GBP  American        20 Mar
Put                                                                       2008
Option
Jun
2008    Written                      25,000   12.000 GBP  American        20 Jun
Put                                                                       2008
Option
Jun
2008    Written                     160,000   13.000 GBP  American        20 Jun
Put                                                                       2008
Option
Mar
2008    Written                     178,000   13.000 GBP  American        20 Mar
Put                                                                       2008
Option
Mar     Written                     500,000   15.000 GBP  American        20 Mar
2008                                                                      2008
Call
Apr     Written                     110,000   9.850 GBP   American        11 Apr
2008                                                                      2008
Put
Mar     Written                     350,000   15.00 GBP   American        20 Mar
2008                                                                      2008
Call
Apr     Purchased                   110,000   9.850 GBP   American        11 Apr
2008                                                                      2008
Put
Mar     Written                   1,000,000   25.000 GBP  American        20 Mar
2008                                                                      2008
Call
Mar     Purchased                   500,000   15.000 GBP  American        20 Mar
2008                                                                      2008
Call
Mar     Purchased                   350,000   15.000 GBP  American        20 Mar
2008                                                                      2008
Call
Mar     Written                     500,000   10.000 GBP  American        20 Mar
2008                                                                      2008
Put
Mar     Written                     500,000   9.000 GBP   American        20 Mar
2008                                                                      2008
Put
Mar     Purchased                 1,000,000   15.000 GBP  American        20 Mar
2008                                                                      2008
Put
Mar     Purchased                   500,000   9.000 GBP   American        20 Mar
2008                                                                      2008
Put


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








                                    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 (Note 1)                          Royal Bank of Scotland
                                                         Group Plc
Company dealt in                                         BHP Billiton Ltd
Class of relevant security to which the dealings being   Ordinary
disclosed relate (Note 2)

Date of dealing                                          5 February 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 securities          904,063      (0.0269%)   4,098,455    (0.1220%)
(2) Derivatives (other than
options)                               0         (0.0%)           0       (0.0%)
(3) Options and agreements to
purchase/sell                          0         (0.0%)           0       (0.0%)
                      Total      904,063      (0.0269%)   4,098,455    (0.1220%)



(b) Interests and short positions in relevant securities of the company, other
than the class dealt in (Note 3)

          Class of relevant security:                  Long            Short
                                                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 (Note 5)
Purchase                             355,000   39.88 AUD

(b) Derivatives transactions (other than options)
Product      Long/short (Note   Number of securities (Note Price per unit (Note
name,        6)                 7)                         5)
e.g. CFD



(c) Options transactions in respect of existing Purchase

securities

(i) Writing, selling, purchasing or varying
Product Writing,       Number of          Exercise Type, e.g.  Expiry Option
name,   selling,       securities to               American,          money
        purchasing,    which the option            European
        varying etc.   relates (Note 7)            etc.
e.g.                                      price                date   paid/
call                                                                  received
option                                                                per unit
                                                                      (Note 5)



(ii) Exercising

Product name, e.g. call       Number of           Exercise price per unit (Note
option                        securities          5)

(d) Other dealings (including new securities) (Note 4)

Nature of transaction (Note 8)  Details  Price per unit (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.

Is a Supplemental Form 8 attached? (Note 9) YES/NO

Date of disclosure                                             6 February 2008

Contact name                                                   Richard Hopkins

Telephone number                                               [phone]

If a connected EFM, name of offeree/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



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