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
------------------------------------------ ---------------------------------------------------------------
Company dealt in BHP Billiton Ltd
------------------------------------------ ---------------------------------------------------------------
Class of relevant security to which the Ordinary Shares
dealings being disclosed relate (Note 1)
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Date of dealing 26 August 2008
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*T

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 6,288,808 0.187385438 2274211 0.0677639
------------------------------------------ --------------- --------------- ---------------- ----------------
(2) Derivatives (other than options) 1,359,042 0.040494905 1873659 0.0558288
------------------------------------------ --------------- --------------- ---------------- ----------------
(3) Options and agreements to
purchase/sell 1,270,162 0.037846578 2914000 0.0868275
------------------------------------------ --------------- --------------- ---------------- ----------------
Total 8,918,012 0.26572692 7061870 0.2104201
------------------------------------------ --------------- --------------- ---------------- ----------------
*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
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Number (%) Number (%)
--------------------------------------------------------------------------------------------------------
(1) Relevant securities 0 (0%) 0 (0%)
--------------------------------------------------------------------------------------------------------
(2) Derivatives (other than options) 0 (0%) 0 (0%)
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(3) Options and agreements to
purchase/sell 0 (0%) 0 (0%)
--------------------------------------------------------------------------------------------------------
Total 0 (0%) 0 (0%)
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*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 7 2.61
Purchase 282 39.47
Purchase 2 39.5
Purchase 1846 39.51
Purchase 71 39.52
Purchase 2440 39.54
Purchase 499 39.55
Purchase 91 39.56
Purchase 130 39.57
Purchase 264 39.58
Purchase 1145 39.59
Purchase 440 39.6
Purchase 36 39.61
Purchase 117 39.62
Purchase 140 39.63
Purchase 115 39.64
Purchase 1539 39.65
Purchase 525 39.66
Purchase 95 39.67
Purchase 273 39.7
Purchase 2000 39.71
Purchase 41994 39.72
Purchase 98 39.74
Purchase 82 39.92
Purchase 1664 39.94
Purchase 1554 39.95
Purchase 4266 39.96
Purchase 6883 39.97
Purchase 10560 39.98
Purchase 11493 39.99
Purchase 11361 40
Purchase 4018 40.01
Purchase 7051 40.02
Purchase 11813 40.03
Purchase 6678 40.04
Purchase 865 40.05
Purchase 214 40.06
Purchase 4537 40.09
Purchase 844 40.1
Purchase 2945 40.11
Purchase 10258 40.12
Purchase 8389 40.13
Purchase 1642 40.14
Purchase 18240 40.15
Purchase 12093 40.16
Purchase 52739 40.17
Purchase 11585 40.18
Purchase 20880 40.19
Purchase 4186 40.2
Purchase 1647 40.22
Purchase 1987 40.23
Purchase 9184 40.24
Purchase 5135 40.25
Purchase 2313 40.27
Purchase 8776 40.28
Purchase 1062 40.29
Purchase 4373 40.3
Purchase 137 40.31
Purchase 35 40.4
Purchase 609 40.44
Purchase 7500 40.46
Purchase 90 40.47
Purchase 201 40.48
Purchase 2000 40.49
Purchase 32 40.54
Purchase 1000 40.56
Purchase 80 40.57
Purchase 6490 40.75
333640
*T

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Sales Number of securities Price per unit (AUD)
Sale 7 2.61
Sale 190 39.41
Sale 929 39.44
Sale 15678 39.45
Sale 2475 39.5
Sale 1500 39.52
Sale 1457 39.57
Sale 2000 39.58
Sale 1500 39.59
Sale 1688 39.65
Sale 2077 39.7
Sale 500 39.89
Sale 1667 39.95
Sale 770 39.97
Sale 2465 39.98
Sale 35 39.99
Sale 417 40.03
Sale 509 40.04
Sale 491 40.05
Sale 698 40.13
Sale 600 40.15
Sale 495 40.23
Sale 318 40.25
Sale 177 40.27
Sale 10010 40.28
Sale 400 40.34
Sale 52 40.37
Sale 71 40.4
Sale 3667 40.41
Sale 7500 40.43
Sale 15 40.44
Sale 114 40.45
Sale 68 40.46
Sale 250 40.47
Sale 34 40.57
Sale 4635 40.58
Sale 324 40.59
Sale 7613 40.75
73396
*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
---------------------- --------------------- -------------------------------- -----------------------------
BHPKZI Long (buy) 1000 8.50
---------------------- --------------------- -------------------------------- -----------------------------
BHPKZI Long (buy) 500 8.70
---------------------- --------------------- -------------------------------- -----------------------------
BHPKZI Long (buy) 400 8.80
---------------------- --------------------- -------------------------------- -----------------------------
BHPKZI Short (sell) 282 7.94
---------------------- --------------------- -------------------------------- -----------------------------
BHPKZI Short (sell) 1718 7.98
---------------------- --------------------- -------------------------------- -----------------------------
BHPIZQ Long (buy) 5000 24.50
---------------------- --------------------- -------------------------------- -----------------------------
BHPKZF Long (buy) 85 12.05
---------------------- --------------------- -------------------------------- -----------------------------
*T

(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 relates (Note 6) etc. (Note 4) AUD
etc.
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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.
---------------------------------------------------------------------------------------------------------
*T

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

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Date of disclosure 27 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
------------------------------------------------------------ ---------------------------------------------
*T

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
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Aug 08 Call Purchased 15,000 41.00 American 28/08/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Aug 08 Call Purchased 30,000 41.00 American 28/08/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Aug 08 Call Purchased 30,000 41.00 American 28/08/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Aug 08 Call Purchased 10,000 42.00 American 28/08/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Aug 08 Call Purchased 20,000 42.00 American 28/08/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Aug 08 Call Purchased 20,000 42.00 American 28/08/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Aug 08 Call Purchased 10,000 42.00 American 28/08/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Aug 08 Put Written 15,000 38.00 American 28/08/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Sep 08 Put Written 15,000 39.00 American 25/09/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Aug 08 Put Purchased 100,000 35.00 American 28/08/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
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 340,000 0.01 European 21/12/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Dec 08 Call Written 425,000 0.01 European 21/12/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Dec 08 Call Written 649,000 0.01 European 21/12/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Sep 08 Call Purchased 5,000 40.00 American 25/09/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Sep 08 Call Purchased 7,000 40.00 American 25/09/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Sep 08 Call Purchased 3,000 40.00 American 25/09/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Sep 08 Call Purchased 5,000 40.00 American 25/09/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Sep 08 Call Purchased 5,000 40.00 American 25/09/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Sep 08 Call Purchased 5,000 46.00 American 25/09/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------
Sep 08 Call Purchased 10,000 46.00 American 25/09/08
------------------------ ------------- ----------------- --------------- ------------- ---------------------

------------------------ ------------- ----------------- --------------- ------------- ---------------------
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
------------------------ ------------- ----------------- --------------- ------------- ---------------------
*T

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