EPT Disclosure

25th Sep 2008 10:53

Name of exempt principal trader	Deutsche Securities Australia Limited
Company dealt in	BHP Billiton Ltd
Class of relevant security to which the dealings being disclosed relate(Note 1)	Ordinary
Date of dealing	24/09/2008

	Long	Short
	Number (%)	Number (%)
(1) Relevant securities	13,265,579 0.40	-8,099,216 -0.24
(2) Derivatives (other than options)	8,288,077 0.25	-7,694,265 -0.23
(3) Options and agreements to purchase/sell	14,484,000 0.43	-8,760,000 -0.26
Total	36,037,656 1.08	-24,553,481 -0.73

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

Class of relevant security:	Details

Purchase/sale	Number of securities	Price per unit (Note 4) AUD $
Purchase	12085	37.31
Purchase	4036	37.32
Purchase	65088	37.33
Purchase	11685	37.34
Purchase	23087	37.35
Purchase	19042	37.36
Purchase	11643	37.37
Purchase	15741	37.38
Purchase	16129	37.39
Purchase	20002	37.40
Purchase	10352	37.41
Purchase	9620	37.42
Purchase	11259	37.43
Purchase	16233	37.44
Purchase	10448	37.45
Purchase	10262	37.46
Purchase	6520	37.47
Purchase	21410	37.48
Purchase	6196	37.49
Purchase	8481	37.50
Purchase	5640	37.51
Purchase	9829	37.52
Purchase	3848	37.53
Purchase	30770	37.54
Purchase	4843	37.54
Purchase	6828	37.55
Purchase	1898	37.56
Purchase	2029	37.57
Purchase	6756	37.58
Purchase	5445	37.59
Purchase	13721	37.60
Purchase	11470	37.61
Purchase	3302	37.62
Purchase	7169	37.63
Purchase	16197	37.64
Purchase	14578	37.65
Purchase	8827	37.66
Purchase	5319	37.67
Purchase	4304	37.68
Purchase	13746	37.69
Purchase	30300	37.69
Purchase	10827	37.70
Purchase	8141	37.71
Purchase	8597	37.72
Purchase	23327	37.73
Purchase	12660	37.74
Purchase	4216	37.75
Purchase	5598	37.76
Purchase	6374	37.77
Purchase	5811	37.78
Purchase	1254	37.79
Purchase	4942	37.80
Purchase	8232	37.81
Purchase	7048	37.82
Purchase	1727	37.83
Purchase	6660	37.84
Purchase	28829	37.85
Purchase	12376	37.86
Purchase	126854	37.87
Purchase	3216	37.88
Purchase	431	37.89
Purchase	9665	37.89
Purchase	266594	37.90
Purchase	2874	37.91
Purchase	1941	37.92
Purchase	3537	37.93
Purchase	11873	37.94
Purchase	7132	37.95
Purchase	386	37.96
Purchase	200000	38.00
Purchase	21000	39.70
Purchase	1000	44.00
TOTAL PURCHASE	1,329,260
Sale	160000	37.01
Sale	866	37.29
Sale	278	37.31
Sale	2487	37.33
Sale	87894	37.34
Sale	6905	37.34
Sale	13867	37.35
Sale	8652	37.36
Sale	2823	37.37
Sale	6806	37.38
Sale	16398	37.39
Sale	17303	37.40
Sale	4426	37.41
Sale	20573	37.42
Sale	6535	37.43
Sale	5769	37.44
Sale	149478	37.45
Sale	10579	37.46
Sale	6453	37.47
Sale	10744	37.48
Sale	25585	37.49
Sale	2311	37.50
Sale	8098	37.51
Sale	6260	37.52
Sale	2604	37.53
Sale	7708	37.54
Sale	15033	37.55
Sale	3913	37.56
Sale	1525	37.57
Sale	1707	37.58
Sale	3393	37.59
Sale	2226	37.60
Sale	423	37.61
Sale	6230	37.62
Sale	3736	37.63
Sale	1538	37.64
Sale	2630	37.65
Sale	3816	37.66
Sale	4798	37.67
Sale	24283	37.68
Sale	7079	37.69
Sale	8531	37.70
Sale	26900	37.71
Sale	4008	37.71
Sale	25270	37.72
Sale	7142	37.72
Sale	7904	37.73
Sale	9876	37.74
Sale	3918	37.75
Sale	4976	37.76
Sale	8386	37.77
Sale	2751	37.78
Sale	2222	37.79
Sale	1400	37.80
Sale	3335	37.81
Sale	2527	37.82
Sale	5376	37.83
Sale	17969	37.84
Sale	2707	37.85
Sale	11625	37.86
Sale	57312	37.87
Sale	4606	37.88
Sale	4240	37.89
Sale	15147	37.90
Sale	3699	37.91
Sale	10238	37.92
Sale	909	37.93
Sale	6691	37.94
Sale	1327	37.95
Sale	200000	37.96
Sale	21000	38.00
Sale	5000	38.98
TOTAL SALES	1,160,724

Product name, e.g. CFD	Long/short (Note 5)	Number of securities (Note 6)	Price per unit (Note 4) AUD $
CFD	Long	4603	37.34
CFD	Long	3836	37.35
CFD	Long	8181	37.36
CFD	Long	873	37.37
CFD	Long	1376	37.38
CFD	Long	5832	37.39
CFD	Long	9663	37.40
CFD	Long	1856	37.41
CFD	Long	1506	37.42
CFD	Long	200	37.43
CFD	Long	14374	37.45
CFD	Long	7053	37.46
CFD	Long	200	37.47
CFD	Long	1140	37.48
CFD	Long	5716	37.49
CFD	Long	2335	37.52
CFD	Long	500	37.58
CFD	Long	179	37.61
CFD	Long	1000	37.64
CFD	Long	500	37.67
CFD	Long	3000	37.69
CFD	Long	500	37.70
CFD	Long	26900	37.71
CFD	Long	25270	37.72
CFD	Long	330	37.77
CFD	Long	500	37.83
CFD	Long	2900	37.86
CFD	Long	571	37.90
CFD	Long	21000	38.00
CFD	Long	5000	38.98
CFD	Short	4000	37.31
CFD	Short	500	37.33
CFD	Short	550	37.35
CFD	Short	4500	37.38
CFD	Short	500	37.39
CFD	Short	330	37.40
CFD	Short	2759	37.44
CFD	Short	2500	37.48
CFD	Short	30770	37.54
CFD	Short	6000	37.61
CFD	Short	30300	37.69
CFD	Short	571	37.70
CFD	Short	2178	37.77
CFD	Short	1000	37.80
CFD	Short	1000	37.81
CFD	Short	5000	37.87
CFD	Short	250	37.89
CFD	Short	571	37.90
CFD	Short	21000	39.70

Product name, e.g. call option	Writing, selling, purchasing, varying etc.	Number of securities to which the option relates (Note 6)	Exercise price	Type, e.g. American, European etc.	Expiry Date	Option money paid/received per unit AUD $
Call Option	Purchasing	90,000	40.00	American	30/10/2008	1.04
Call Option	Purchasing	20,000	38.00	American	25/09/2008	0.44
Call Option	Purchasing	60,000	39.00	American	25/09/2008	0.20
Put Option	Purchasing	250,000	39.00	American	29/01/2009	4.08

Product name, e.g. call option	Number of securities	Exercise price per unit Australian Dollar $
Put Option	1,000	44

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

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.

Date of disclosure	25/09/2008
Contact name	Artie Movsesian
Telephone number	020 7545 7804
Name of offeree/offeror with which connected	Rio Tinto Plc
Nature of connection (Note 9)	Connected Advisor to Offeree

ENDEMMLAMLTMMATMTP

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