REG-ABN AMRO BANK N.V. EPT Disclosure

LONDON--(Business Wire)--

FORM 38.5(b)

DEALINGS BY CONNECTED EXEMPT PRINCIPAL TRADERS

WITHOUT RECOGNISED INTERMEDIARY STATUS, OR WITH RI STATUS

BUT NOT DEALING IN A CLIENT-SERVING CAPACITY

(Rule 38.5(b) of the Takeover Code)

1. KEY INFORMATION

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Name of exempt principal trader ABN AMRO Equities Australia Limited
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Company dealt in BHP Billiton Ltd
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Class of relevant security to which the Ordinary Shares
dealings being disclosed relate (Note 1)
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Date of dealing 1 August 2008
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2. INTERESTS, SHORT POSITIONS AND RIGHTS TO SUBSCRIBE

(a) Interests and short positions (following dealing) in the class of relevant
security dealt in (Note 2)

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Long Short
------------------------------------------ ------------------------------- ---------------------------------
Number (%) Number (%)
------------------------------------------ ------------------------------- ---------------------------------
(1) Relevant securities 4,490,638 0.133805988 2182884 0.0650426
------------------------------------------ --------------- --------------- ---------------- ----------------
(2) Derivatives (other than options) 149,237,022 4.446763946 149741779 4.461804
------------------------------------------ --------------- --------------- ---------------- ----------------
(3) Options and agreements to
purchase/sell 2,383,000 0.071005427 1935450 0.0576699
------------------------------------------ --------------- --------------- ---------------- ----------------
Total 156,110,660 4.651575361 153860113 4.5845166
------------------------------------------ --------------- --------------- ---------------- ----------------
*T

(b) Interests and short positions in relevant securities of the company, other
than the class dealt in (Note 2)

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Class of relevant security: Long Short
------------------------------------------ ------------------------------ --------------------------------
Number (%) Number (%)
------------------------------------------ ------------------------------ --------------------------------
(1) Relevant securities 0 (0%) 0 (0%)
------------------------------------------ ------------------------------ --------------------------------
(2) Derivatives (other than options) 0 (0%) 0 (0%)
------------------------------------------ ------------------------------ --------------------------------
(3) Options and agreements to
purchase/sell 0 (0%) 0 (0%)
------------------------------------------ ------------------------------ --------------------------------
Total 0 (0%) 0 (0%)
------------------------------------------ ------------------------------ --------------------------------
*T

(c) Rights to subscribe (Note 2)

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Class of relevant security: Details
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3. DEALINGS (Note 3)

(a) Purchases and sales

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Purchases Number of securities Price per unit (AUD)
Purchase 3 38.74
Purchase 1604 38.77
Purchase 5501 38.78
Purchase 457 38.79
Purchase 345010 38.8
Purchase 1580 38.81
Purchase 12 38.82
Purchase 12 38.84
Purchase 3539 38.85
Purchase 420 38.87
Purchase 5169 38.88
Purchase 1551 38.89
Purchase 440 38.9
Purchase 300 38.91
Purchase 631 38.92
Purchase 14 38.93
Purchase 1644 38.94
Purchase 11516 38.95
Purchase 6416 38.96
Purchase 5774 38.97
Purchase 27688 38.98
Purchase 3372 38.99
Purchase 8 39
Purchase 10668 39.01
Purchase 63 39.02
Purchase 3172 39.03
Purchase 420 39.04
Purchase 939 39.06
Purchase 2002 39.09
Purchase 20598 39.11
Purchase 12 39.24
Purchase 500 39.36
Purchase 3 39.39
Purchase 4 39.4
Purchase 1 39.46
Purchase 3 39.5
Purchase 3967 39.52
Purchase 30171 39.53
Purchase 19685 39.54
Purchase 32414 39.55
Purchase 1386 39.56
Purchase 2 39.58
Purchase 1 39.68
Purchase 12 39.69
Purchase 338658 39.71
Purchase 4023 39.72
Purchase 10263 39.73
Purchase 12177 39.74
Purchase 5763 39.75
Purchase 1 39.76
Purchase 6455 39.77
Purchase 1939 39.78
Purchase 2821 39.79
Purchase 2200 39.8
Purchase 178 39.81
Purchase 420 39.82
Purchase 105 39.83
Purchase 391 39.85
Purchase 5493 39.87
Purchase 410 39.88
Purchase 2108 39.89
Purchase 10298 39.92
Purchase 3250 39.94
Purchase 2399 39.95
Purchase 1484 39.96
Purchase 250 39.97
Purchase 2017 39.98
Purchase 561 39.99
Purchase 6390 40
Purchase 1192 40.01
969930
*T

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Sales Number of securities Price per unit (AUD)
Sale 24 38.78
Sale 4 38.79
Sale 2 38.8
Sale 3 38.81
Sale 5 38.82
Sale 5000 38.83
Sale 2500 38.85
Sale 5000 38.86
Sale 5480 38.87
Sale 213 38.88
Sale 6 38.89
Sale 3470 38.9
Sale 1 38.91
Sale 678 38.92
Sale 940 38.93
Sale 3606 38.94
Sale 1 38.95
Sale 7005 38.96
Sale 5001 38.97
Sale 50000 38.98
Sale 16 38.99
Sale 8 39
Sale 7 39.01
Sale 7 39.02
Sale 2387 39.11
Sale 5000 39.39
Sale 1 39.55
Sale 792 39.56
Sale 911 39.67
Sale 395 39.68
Sale 1 39.7
Sale 334583 39.71
Sale 1198 39.72
Sale 96545 39.73
Sale 3 39.74
Sale 4171 39.78
Sale 493 39.86
Sale 500 39.88
535957
*T

(b) Derivatives transactions (other than options)

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Product name, Long/short (Note 5) Number of securities (Note 6) Price per unit (Note 4) AUD
e.g. CFD
--------------------------------------------------------------------------------------------------------
BHPKZL Long (buy) 1000 4.76
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BHPKZL Long (buy) 20000 5.63
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(c) Options transactions in respect of existing securities

(i) Writing, selling, purchasing or varying

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Product name, Writing, Number of Exercise Type, e.g. Expiry Option money
e.g. call option selling, securities to price American, date paid/received
purchasing, which the option European per unit
varying etc. relates (Note 6) etc. (Note 4) AUD
------------------- ---------------- ------------------- ------------- ----------- ------------ --------------
BHPL Call Dec 08 Selling 340000 39.60 European 21/12/08 0.01
------------------- ---------------- ------------------- ------------- ----------- ------------ --------------
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(ii) Exercising

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Product name, e.g. call option Number of securities Exercise price per unit (Note 4)
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(d) Other dealings (including new securities) (Note 3)

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Nature of transaction (Note 7) Details Price per unit (if applicable) (Note
4)
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4. OTHER INFORMATION

Agreements, arrangements or understandings relating to options or derivatives

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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.
---------------------------------------------------------------------------------------------------------
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Is a Supplemental Form 38.5(b) attached? (Note 8) YES/NO

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Date of disclosure 5 August 2008
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Contact name Oliver Bainbridge - Kirit Devshi
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Telephone number (020) 7678 5898
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Name of offeree/offeror with which connected RIO TINTO
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Nature of connection (Note 9) Advisor
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Notes: The Notes on Form 38.5(b) 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)

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Product name, Written or Number of Exercise price Type, e.g. Expiry date
e.g. call option purchased securities to (Note 2) American,
which the option European
or derivative etc.
relates
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Sep 08 Put Written 15000 39.00 American 25/9/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Aug 08 Put Purchased 100,000 35.00 American 28/8/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Sep 08 Call Purchased 943,000 0.01 European 25/09/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Dec 08 Call Written 1,300,000 0.01 European 21/12/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Dec 08 Call Written 100,000 0.01 European 21/12/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Dec 08 Call Written 340000 0.01 European 21/12/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Aug 08 Put Purchased 3,000 38.00 American 28/8/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Aug 08 Put Purchased 1,000 38.00 American 28/8/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Aug 08 Put Purchased 4,000 38.00 American 28/8/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------

------------------------ ------------- ----------------- --------------- ------------- ---------------------
Jun 08 Put Written 11,563 35.06 European 30/06/2008
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Jul 09 Put Written 12,824 38.99 European 1/07/2009
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Jul 09 Call Purchased 12,824 50.69 European 1/07/2009
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Jun 09 Put Written 21,514 46.48 European 26/06/2009
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Jun 10 Put Written 75,000 17.00 American 30/06/2010
------------------------ ------------- ----------------- --------------- ------------- ---------------------

------------------------ ------------- ----------------- --------------- ------------- ---------------------
BHP Swap Short 13,990 5/9/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
BHP Swap Short 10,520 5/9/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
BHP Swap Short 310 5/9/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
BHP Swap Short 2,970 5/9/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
BHP Swap Short 2,340 5/9/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
BHP Swap Short 630 5/9/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
BHP Swap Short 4,190 5/9/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
BHP Swap Long 327,792 5/9/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
BHP Swap Long 1,022,208 5/9/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
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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

ABN AMRO BANK N.V.

Copyright Business Wire 2008