EPT Disclosure - Rio Tinto pl

8th Sep 2008 11:58

Name of exempt principal trader	BNP PARIBAS ARBITRAGE SNC
Company dealt in	RIO TINTO PLC
Class of relevant security to which the dealings being disclosed relate(Note 1)	Ordinary shares
Date of dealing	05 September 2008

	Long	Short
	Number (%)	Number (%)
(1) Relevant securities	3,079,196 0.31%
(2) Derivatives (other than options)
(3) Options and agreements to purchase/sell
Total	3,079,196 0.31%

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

Purchases	Quantity	Price
	1162	45.66
	84	45.26
	961	45.09
	316	45.04
	516	44.97
	136	44.95
	1551	44.94
	719	44.90
	414	44.86
	150	44.79
	279	44.78
	177	44.76
	167	44.75
	619	44.72
	909	44.71
	2283	44.70
	186	44.69
	469	44.68
	1311	44.67
	757	44.66
	495	44.62
	107	44.55
	467	44.53
	214	44.52
	97	44.48
	438	44.47
	2226	44.46
	1165	44.44
	84	44.41
	1238	44.37
	293	44.36
	1459	44.36
	420	44.35
	203	44.32
	712	44.31
	1411	44.30
	288	44.29
	900	44.28
	1600	44.27
	1984	44.25
	120	44.24
	1600	44.22
	1741	44.18
	165	44.15
	831	44.13
	450	44.11
	742	44.10
	447	44.08
	156	44.07
	2584	44.06
	1434	44.05
	246	44.04
	6944	44.03
	4479	44.02
	2526	44.01
	516	44.00
	1234	43.99
	1380	43.98
	1293	43.97
	3244	43.96
	1306	43.95
	1756	43.94
	1709	43.93
	2779	43.92
	690	43.91
	769	43.90
	1666	43.89
	1004	43.88
	680	43.87
	886	43.86
	137	43.85
	1022	43.83
	873	43.82
	1875	43.81
	3227	43.80
	3721	43.79
	507	43.78
	620	43.77
	1774	43.76
	711	43.74
	92	43.73
	486	43.72
	900	43.71
	100	43.70
	200	43.69
	356	43.68
	308	43.67
	3557	43.65
	3320	43.64
	1981	43.62
	1394	43.61
	73	43.60
	27	43.59
	19353	43.58
	1368	43.58
	200	43.57
	1529	43.55
	852	43.53
	1660	43.52
	705	43.51
	547	43.50
	720	43.47
	902	43.46
	228	43.44
	571	43.43
	1602	43.42
	504	43.41
	1042	43.40
	1645	43.39
	2093	43.38
	1017	43.37
	463	43.35
	277	43.31
	1888	43.28
	559	43.27
	720	43.26
	83	43.24
	720	43.22
	1096	43.21
	786	43.17
	1035	43.16
	93218	43.15
	352	43.12
	16350	43.10
	350	43.09
	735	43.08
	1008	43.05
	2009	43.04
	992	43.03
	227	43.02
	752	43.01
	1047	43.00
	841	42.98
	211	42.97
	234	42.96
	720	42.94
Total:	264,816
Sales	Quantity	Price
	-500	46.10
	-260	45.83
	-1600	45.47
	-570	45.45
	-255	45.40
	-116	45.38
	-900	45.36
	-1459	45.35
	-291	45.34
	-700	45.33
	-330	45.24
	-165	45.23
	-108	45.15
	-126	45.14
	-559	45.11
	-84	45.09
	-169	45.08
	-400	45.07
	-75	45.06
	-214	45.04
	-500	45.01
	-252	45.00
	-500	44.97
	-582	44.95
	-2487	44.93
	-291	44.91
	-2648	44.80
	-269	44.75
	-14	44.70
	-120	44.69
	-492	44.58
	-55	44.52
	-3616	44.51
	-1410	44.50
	-272	44.49
	-369	44.48
	-84	44.47
	-1002	44.46
	-1285	44.45
	-2465	44.44
	-1556	44.42
	-2006	44.41
	-1060	44.40
	-252	44.39
	-264	44.38
	-728	44.37
	-131	44.36
	-1887	44.35
	-223	44.34
	-432	44.33
	-798	44.32
	-2846	44.31
	-2177	44.29
	-465	44.28
	-1402	44.27
	-833	44.26
	-2092	44.25
	-397	44.23
	-157	44.22
	-1409	44.21
	-333	44.20
	-1273	44.19
	-1090	44.18
	-3761	44.17
	-758	44.13
	-1664	44.12
	-1242	44.11
	-8465	44.10
	-503	44.08
	-1585	44.06
	-372	44.05
	-512	44.04
	-328	44.03
	-694	44.02
	-1001	44.01
	-4096	44.00
	-1418	43.98
	-684	43.97
	-100	43.96
	-260	43.95
	-455	43.94
	-346	43.92
	-849	43.91
	-1565	43.90
	-3486	43.89
	-1833	43.88
	-866	43.87
	-903	43.86
	-894	43.85
	-4786	43.84
	-402	43.83
	-280	43.82
	-791	43.81
	-1546	43.80
	-5304	43.79
	-2983	43.78
	-218	43.77
	-146	43.76
	-357	43.74
	-665	43.71
	-246	43.69
	-169	43.68
	-546	43.66
	-200	43.65
	-200	43.63
	-586	43.61
	-28	43.59
	-200	43.58
	-147	43.57
	-200	43.55
	-100	43.54
	-600	43.53
	-896	43.52
	-553	43.50
	-415	43.49
	-420	43.48
	-75	43.46
	-112	43.45
	-121	43.44
	-475	43.43
	-165	43.42
	-180	43.41
	-4857	43.40
	-2154	43.39
	-1213	43.37
	-350	43.36
	-165	43.35
	-1435	43.34
	-75	43.33
	-3120	43.32
	-4498	43.31
	-210	43.29
	-600	43.28
	-504	43.27
	-2836	43.26
	-2305	43.25
	-330	43.24
	-359	43.23
	-2885	43.22
	-90	43.21
	-2257	43.20
	-75	43.19
	-345	43.18
	-200	43.17
	-25249	43.15
	-1100	43.13
	-75	43.12
	-706	43.11
	-2095	43.10
	-17300	43.10
	-1274	43.08
	-568	43.07
	-283	43.06
	-2223	43.05
	-866	43.04
	-1246	43.03
	-345	43.02
	-1071	43.01
	-2231	43.00
	-165	42.99
	-75	42.95
	-90	42.90
	-75	42.87
	-90	42.86
	-75	42.82
	-90	42.80
Total:	- 202,312

Product name, e.g. CFD	Long/short (Note 5)	Number of securities (Note 6)	Price per unit (Note 4)

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 (Note 4)

Product name, e.g. call option	Number of securities	Exercise price per unit (Note 4)

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.

None

Date of disclosure	08 September 2008
Contact name	Neil Kober
Telephone number	020 7595 4821
Name of offeree/offeror with which connected	BHP Billiton
Nature of connection (Note 9)	Advisor

ENDEMMUUUAABUPRGUR

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Related Shares:

Rio Tinto