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 September 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
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Number (%) Number (%)
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(1) Relevant securities 7,170,989 0.21367148 2229286 0.0664253
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(2) Derivatives (other than options) 1,357,887 0.040460489 1845068 0.0549769
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(3) Options and agreements to
purchase/sell 1,135,162 0.03382403 3574000 0.1064932
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Total 9,664,038 0.287955999 7648354 0.2278954
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(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 (%)
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(1) Relevant securities 0 (0%) 0 (0%)
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(2) Derivatives (other than options) 0 (0%) 0 (0%)
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(3) Options and agreements to
purchase/sell 0 (0%) 0 (0%)
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Total 0 (0%) 0 (0%)
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(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 98 40.98
Purchase 2754 40.99
Purchase 278 41
Purchase 124 41.01
Purchase 319 41.02
Purchase 77 41.03
Purchase 970 41.04
Purchase 10635 41.05
Purchase 11623 41.06
Purchase 31958 41.07
Purchase 6598 41.08
Purchase 63 41.09
Purchase 3074 41.1
Purchase 605 41.11
Purchase 21 41.12
Purchase 215 41.13
Purchase 47 41.15
Purchase 67 41.19
Purchase 113 41.2
Purchase 118 41.22
Purchase 118 41.23
Purchase 34 41.24
Purchase 66225 41.25
Purchase 84 41.26
Purchase 752598 41.27
Purchase 3453 41.28
Purchase 79 41.29
Purchase 74 41.3
Purchase 2573 41.31
Purchase 2578 41.32
Purchase 75 41.35
Purchase 84 41.37
Purchase 84 41.38
Purchase 99 41.42
Purchase 123 41.45
Purchase 2954 41.46
900992
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Sales Number of securities Price per unit (AUD)
Sale 290 41
Sale 2437 41.03
Sale 500 41.05
Sale 1805 41.06
Sale 28448 41.07
Sale 806 41.08
Sale 2738 41.09
Sale 600 41.1
Sale 10 41.11
Sale 2000 41.13
Sale 4098 41.14
Sale 12893 41.2
Sale 7367 41.23
Sale 32393 41.25
Sale 7782 41.26
Sale 7353 41.27
Sale 2500 41.28
Sale 12179 41.35
Sale 1467 41.36
Sale 6354 41.4
Sale 2500 41.42
Sale 1500 41.43
Sale 2500 41.46
140520
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(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
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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 relates (Note 6) etc. (Note 4) AUD
etc.
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Call Sep 08 Selling 1000 40.00 American 25/09/08 2.28
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Call Sep 08 Selling 1000 40.00 American 25/09/08 2.28
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Call Sep 08 Selling 1000 40.00 American 25/09/08 2.28
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Call Sep 08 Selling 7000 40.00 American 25/09/08 2.28
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Call Dec 08 Selling 10000 50.00 American 18/12/08 0.905
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Call Dec 11 Purchasing 50000 50.00 American 22/12/11 9.43
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Call Dec 11 Purchasing 9000 60.00 American 22/12/11 6.83
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Put Dec 08 Selling 10000 32.00 American 18/12/08 0.55
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Put Dec 11 Purchasing 152000 27.00 American 22/12/11 2.83
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Put Dec 11 Purchasing 5000 27.00 American 22/12/11 2.83
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Put Dec 11 Purchasing 20000 27.00 American 22/12/11 2.83
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Put Dec 11 Selling 38000 32.00 American 22/12/11 4.50
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Put Dec 11 Selling 124000 35.00 American 22/12/11 5.58
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Put Dec 11 Selling 20000 35.00 American 22/12/11 5.90
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Put Dec 11 Selling 750000 0.01 European 22/12/11 42.196
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Put Dec 11 BHPL Purchasing 157000 27.00 American 22/12/11 2.83
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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 2 September 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
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Sep 08 Call Purchased 15,000 42.50 American 25/09/08
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Sep 08 Put Written 15,000 39.00 American 25/09/08
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Dec 08 Call Written 10,000 50.00 American 21/12/08
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Dec 08 Put Written 10,000 32.00 American 21/12/08
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Sep 08 Call Purchased 943,000 0.01 European 21/12/08
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Dec 08 Call Written 1,300,000 0.01 European 21/12/08
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Dec 08 Call Written 100,000 0.01 European 21/12/08
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Dec 08 Call Written 340,000 0.01 European 21/12/08
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Dec 08 Call Written 425,000 0.01 European 21/12/08
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Dec 08 Call Written 649,000 0.01 European 21/12/08
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Dec 08 Call Written 750,000 0.01 European 21/12/08
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Sep 08 Call Purchased 2,000 40.00 American 25/09/08
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Sep 08 Call Purchased 3,000 40.00 American 25/09/08
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Sep 08 Call Purchased 5,000 40.00 American 25/09/08
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Sep 08 Call Purchased 5,000 40.00 American 25/09/08
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Sep 08 Call Purchased 5,000 46.00 American 25/09/08
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Sep 08 Call Purchased 10,000 46.00 American 25/09/08
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Jun 08 Put Written 11,563 35.06 European 30/06/2008
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Jul 09 Put Written 12,824 38.99 European 1/07/2009
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Jul 09 Call Purchased 12,824 50.69 European 1/07/2009
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Jun 09 Put Written 21,514 46.48 European 26/06/2009
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Jun 10 Put Written 75,000 17.00 American 30/06/2010
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BHP Swap Short 13,990 5/9/08
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BHP Swap Short 10,520 5/9/08
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BHP Swap Short 310 5/9/08
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BHP Swap Short 2,970 5/9/08
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BHP Swap Short 2,340 5/9/08
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BHP Swap Short 630 5/9/08
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BHP Swap Short 4,190 5/9/08
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BHP Swap Long 327,792 5/9/08
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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