EPT Disclosure

9th Sep 2008 11:26

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	08/09/2008

	Long	Short
	Number (%)	Number (%)
(1) Relevant securities	9,036,173 0.27%	-7,175,394 -0.21%
(2) Derivatives (other than options)	7,000,112 0.21%	-7,485,172 -0.22%
(3) Options and agreements to purchase/sell	13,423,000 0.40%	-8,082,000 -0.24%
Total	29,459,285 0.88%	-22,742,566 -0.68%

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	1557	36.91
Purchase	364	36.94
Purchase	4067	37.00
Purchase	6320	37.08
Purchase	7945	37.10
Purchase	12252	37.11
Purchase	3755	37.12
Purchase	1386	37.14
Purchase	9614	37.15
Purchase	750	37.18
Purchase	1000	37.25
Purchase	100	37.30
Purchase	524	37.35
Purchase	508	37.36
Purchase	410	37.37
Purchase	301	37.39
Purchase	1400	37.40
Purchase	234	37.41
Purchase	12803	37.43
Purchase	1844	37.44
Purchase	1881	37.45
Purchase	29771	37.46
Purchase	666	37.47
Purchase	515	37.48
Purchase	2186	37.49
Purchase	13681	37.50
Purchase	8791	37.51
Purchase	2452	37.52
Purchase	3939	37.53
Purchase	4881	37.54
Purchase	15102	37.55
Purchase	16032	37.56
Purchase	11953	37.57
Purchase	15422	37.58
Purchase	17393	37.59
Purchase	485928	37.60
Purchase	11297	37.61
Purchase	7747	37.62
Purchase	4930	37.63
Purchase	2810	37.64
Purchase	13436	37.65
Purchase	15564	37.66
Purchase	17044	37.67
Purchase	19148	37.68
Purchase	11711	37.69
Purchase	25453	37.70
Purchase	76888	37.71
Purchase	13879	37.71
Purchase	13436	37.72
Purchase	16582	37.73
Purchase	8267	37.74
Purchase	40700	37.75
Purchase	4976	37.75
Purchase	15130	37.76
Purchase	14017	37.77
Purchase	17868	37.78
Purchase	8686	37.79
Purchase	9277	37.80
Purchase	12009	37.81
Purchase	19944	37.82
Purchase	7910	37.83
Purchase	9745	37.84
Purchase	17614	37.85
Purchase	23371	37.86
Purchase	27962	37.87
Purchase	28263	37.88
Purchase	25378	37.89
Purchase	6332	37.90
Purchase	22865	37.91
Purchase	11225	37.92
Purchase	7848	37.93
Purchase	6573	37.94
Purchase	498	37.95
Purchase	4170	37.96
Purchase	1000	44.00
TOTAL PURCHASE	1,299,280
Sale	30000	36.78
Sale	1000	36.95
Sale	8304	36.97
Sale	42007	37.00
Sale	479	37.08
Sale	479	37.09
Sale	878	37.11
Sale	8304	37.15
Sale	16608	37.16
Sale	16608	37.18
Sale	8304	37.20
Sale	8304	37.23
Sale	488	37.27
Sale	7500	37.30
Sale	476	37.32
Sale	476	37.33
Sale	10000	37.36
Sale	500	37.37
Sale	7657	37.38
Sale	38	37.41
Sale	2280	37.42
Sale	3662	37.43
Sale	5585	37.44
Sale	9588	37.45
Sale	4316	37.46
Sale	30000	37.46
Sale	2020	37.47
Sale	2828	37.48
Sale	3901	37.49
Sale	3219	37.50
Sale	25926	37.52
Sale	6853	37.53
Sale	10389	37.54
Sale	21836	37.55
Sale	19940	37.56
Sale	6417	37.57
Sale	28330	37.58
Sale	11083	37.58
Sale	11245	37.59
Sale	276321	37.60
Sale	9399	37.61
Sale	19767	37.62
Sale	8959	37.63
Sale	13914	37.64
Sale	11940	37.65
Sale	78600	37.66
Sale	62286	37.66
Sale	13270	37.67
Sale	6725	37.68
Sale	12234	37.68
Sale	19518	37.69
Sale	32456	37.70
Sale	20063	37.71
Sale	7114	37.72
Sale	18051	37.73
Sale	28338	37.74
Sale	33197	37.75
Sale	7503	37.76
Sale	17559	37.77
Sale	16361	37.78
Sale	21569	37.79
Sale	9631	37.80
Sale	2100	37.80
Sale	7251	37.81
Sale	9588	37.82
Sale	19067	37.83
Sale	21230	37.84
Sale	13323	37.85
Sale	18378	37.86
Sale	16713	37.87
Sale	16473	37.88
Sale	27733	37.89
Sale	29147	37.90
Sale	15946	37.91
Sale	14789	37.92
Sale	11697	37.93
Sale	10113	37.94
Sale	4366	37.95
Sale	935	37.96
TOTAL SALES	1,361,452

Product name, e.g. CFD	Long/short (Note 5)	Number of securities (Note 6)	Price per unit (Note 4) AUD $
CFD	Long	30000	36.78
CFD	Long	1000	36.95
CFD	Long	487	37.00
CFD	Long	479	37.08
CFD	Long	479	37.09
CFD	Long	878	37.11
CFD	Long	488	37.27
CFD	Long	2500	37.30
CFD	Long	476	37.32
CFD	Long	476	37.33
CFD	Long	500	37.37
CFD	Long	7657	37.38
CFD	Long	1000	37.44
CFD	Long	500	37.45
CFD	Long	637	37.46
CFD	Long	30000	37.46
CFD	Long	1340	37.47
CFD	Long	700	37.48
CFD	Long	2392	37.49
CFD	Long	3219	37.50
CFD	Long	5016	37.52
CFD	Long	4313	37.53
CFD	Long	953	37.54
CFD	Long	2377	37.55
CFD	Long	5492	37.56
CFD	Long	2992	37.57
CFD	Long	28330	37.58
CFD	Long	4473	37.58
CFD	Long	5234	37.59
CFD	Long	5982	37.60
CFD	Long	2100	37.61
CFD	Long	989	37.62
CFD	Long	1000	37.63
CFD	Long	1415	37.64
CFD	Long	5531	37.65
CFD	Long	78600	37.66
CFD	Long	4187	37.66
CFD	Long	2495	37.67
CFD	Long	6725	37.68
CFD	Long	2000	37.68
CFD	Long	4109	37.69
CFD	Long	3638	37.70
CFD	Long	5010	37.71
CFD	Long	3038	37.72
CFD	Long	3273	37.73
CFD	Long	5032	37.74
CFD	Long	3429	37.75
CFD	Long	1071	37.76
CFD	Long	3301	37.77
CFD	Long	6745	37.78
CFD	Long	5441	37.79
CFD	Long	1993	37.80
CFD	Long	2100	37.80
CFD	Long	2268	37.81
CFD	Long	2524	37.82
CFD	Long	4387	37.83
CFD	Long	1022	37.84
CFD	Long	4549	37.85
CFD	Long	1900	37.86
CFD	Long	4927	37.87
CFD	Long	3000	37.88
CFD	Long	5914	37.89
CFD	Long	2708	37.90
CFD	Long	4372	37.91
CFD	Long	4950	37.92
CFD	Long	1000	37.93
CFD	Long	7946	37.94
CFD	Long	1500	37.95
CFD	Short	1557	36.91
CFD	Short	364	36.94
CFD	Short	2487	37.00
CFD	Short	6320	37.08
CFD	Short	700	37.10
CFD	Short	197	37.14
CFD	Short	1803	37.15
CFD	Short	750	37.18
CFD	Short	1000	37.25
CFD	Short	100	37.30
CFD	Short	524	37.35
CFD	Short	508	37.36
CFD	Short	410	37.37
CFD	Short	301	37.39
CFD	Short	1400	37.40
CFD	Short	234	37.41
CFD	Short	170	37.43
CFD	Short	1844	37.44
CFD	Short	1349	37.45
CFD	Short	583	37.46
CFD	Short	666	37.47
CFD	Short	515	37.48
CFD	Short	558	37.49
CFD	Short	920	37.50
CFD	Short	847	37.51
CFD	Short	782	37.52
CFD	Short	2105	37.53
CFD	Short	4881	37.54
CFD	Short	3433	37.55
CFD	Short	1896	37.56
CFD	Short	3216	37.57
CFD	Short	3622	37.58
CFD	Short	7821	37.59
CFD	Short	297	37.60
CFD	Short	3618	37.61
CFD	Short	2929	37.62
CFD	Short	1803	37.63
CFD	Short	1353	37.64
CFD	Short	4068	37.65
CFD	Short	5973	37.66
CFD	Short	8124	37.67
CFD	Short	4501	37.68
CFD	Short	2033	37.69
CFD	Short	2585	37.70
CFD	Short	76888	37.71
CFD	Short	5556	37.71
CFD	Short	1763	37.72
CFD	Short	3548	37.73
CFD	Short	5514	37.74
CFD	Short	40700	37.75
CFD	Short	2876	37.75
CFD	Short	4727	37.76
CFD	Short	4970	37.77
CFD	Short	1806	37.78
CFD	Short	934	37.79
CFD	Short	1614	37.80
CFD	Short	4541	37.81
CFD	Short	3281	37.82
CFD	Short	2891	37.83
CFD	Short	2708	37.84
CFD	Short	2969	37.85
CFD	Short	3263	37.86
CFD	Short	2805	37.87
CFD	Short	6085	37.88
CFD	Short	6589	37.89
CFD	Short	1636	37.90
CFD	Short	4361	37.91
CFD	Short	2107	37.92
CFD	Short	299	37.93
CFD	Short	1494	37.94
CFD	Short	498	37.95

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	Selling	20,000	40.00	American	30/10/2008	1.54
Call Option	Purchasing	20,000	40.00	American	30/10/2008	1.4801
Call Option	Selling	20,000	40.00	American	30/10/2008	1.4801

Product name, e.g. call option	Number of securities	Exercise price per unit Australian Dollar $
Put Option	1,000	44.00

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	09/09/2008
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

ENDEMMLLMMTMMTMBAP

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