EPT Disclosure - Rio Tinto plc Amendment

24th Sep 2008 10:21

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	19 September 2008

	Long	Short
	Number (%)	Number (%)
(1) Relevant securities	3,392,889 0.34%
(2) Derivatives (other than options)
(3) Options and agreements to purchase/sell
Total	3,392,889 0.34%

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

Buy/Sell	Amount	Price
Buy	188	38.76
Buy	729	38.88
Buy	1183	38.89
Buy	2931	38.90
Buy	495	38.91
Buy	3286	38.92
Buy	42	38.99
Buy	4727	39.00
Buy	716	39.02
Buy	1962	39.05
Buy	466	39.06
Buy	3195	39.07
Buy	505	39.08
Buy	657	39.09
Buy	15855	39.10
Buy	1254	39.11
Buy	6055	39.13
Buy	1306	39.14
Buy	4373	39.15
Buy	300	39.17
Buy	4374	39.19
Buy	5459	39.20
Buy	4130	39.21
Buy	376	39.22
Buy	188	39.23
Buy	1658	39.24
Buy	4880	39.25
Buy	1623	39.26
Buy	2207	39.27
Buy	1158	39.28
Buy	859	39.29
Buy	6404	39.30
Buy	1878	39.31
Buy	501	39.32
Buy	1897	39.35
Buy	888	39.36
Buy	221	39.37
Buy	546	39.38
Buy	2259	39.40
Buy	3001	39.41
Buy	90	39.42
Buy	1124	39.43
Buy	188	39.46
Buy	499	39.47
Buy	2999	39.48
Buy	500	39.49
Buy	687	39.50
Buy	499	39.51
Buy	1365	39.52
Buy	808	39.53
Buy	1580	39.54
Buy	2457	39.55
Buy	2204	39.56
Buy	1911	39.57
Buy	2536	39.58
Buy	3690	39.59
Buy	770	39.60
Buy	3444	39.61
Buy	2254	39.62
Buy	3511	39.63
Buy	2751	39.64
Buy	2559	39.65
Buy	2235	39.66
Buy	2337	39.67
Buy	1377	39.68
Buy	502	39.69
Buy	2969	39.70
Buy	339	39.72
Buy	732	39.73
Buy	9257	39.74
Buy	8428	39.75
Buy	980	39.76
Buy	495	39.77
Buy	6099	39.78
Buy	2413	39.79
Buy	8469	39.80
Buy	280	39.81
Buy	544	39.82
Buy	597	39.83
Buy	2544	39.84
Buy	2796	39.85
Buy	590	39.86
Buy	1654	39.87
Buy	6174	39.88
Buy	1925	39.89
Buy	8448	39.90
Buy	4750	39.91
Buy	1319	39.92
Buy	11249	39.93
Buy	12742	39.94
Buy	5981	39.95
Buy	1461	39.96
Buy	3893	39.97
Buy	295	39.98
Buy	1962	39.99
Buy	32413	40.00
Buy	6819	40.01
Buy	7400	40.02
Buy	800	40.04
Buy	385	40.05
Buy	893	40.06
Buy	909	40.07
Buy	128	40.10
Buy	841	40.11
Buy	180	40.12
Buy	847	40.13
Buy	2894	40.14
Buy	588	40.15
Buy	2670	40.16
Buy	801	40.17
Buy	188	40.18
Buy	804	40.19
Buy	1589	40.20
Buy	329	40.21
Buy	2074	40.22
Buy	970	40.23
Buy	1042	40.24
Buy	8984	40.25
Buy	656	40.26
Buy	1623	40.27
Buy	1801	40.28
Buy	9363	40.29
Buy	4159	40.30
Buy	2934	40.31
Buy	9497	40.32
Buy	12114	40.33
Buy	14273	40.34
Buy	18987	40.35
Buy	12494	40.36
Buy	13208	40.37
Buy	8145	40.38
Buy	4087	40.39
Buy	23217	40.40
Buy	5756	40.41
Buy	15718	40.42
Buy	11800	40.43
Buy	4760	40.44
Buy	2698	40.45
Buy	2308	40.46
Buy	10373	40.47
Buy	12382	40.48
Buy	875	40.48
Buy	8944	40.49
Buy	15099	40.50
Buy	27019	40.51
Buy	3704	40.52
Buy	9757	40.53
Buy	6635	40.54
Buy	14465	40.55
Buy	3347	40.56
Buy	13687	40.57
Buy	11666	40.58
Buy	6547	40.59
Buy	18805	40.60
Buy	5278	40.61
Buy	1285	40.62
Buy	3752	40.63
Buy	6219	40.64
Buy	1769	40.65
Buy	6831	40.66
Buy	1993	40.68
Buy	390	40.71
Buy	5445	40.72
Buy	1835	40.73
Buy	1287	40.74
Buy	366	40.75
Buy	432	40.76
Buy	2349	40.77
Buy	1535	40.78
Buy	11246	40.79
Buy	360	40.80
Buy	548	40.81
Buy	1734	40.82
Buy	1353	40.83
Buy	796	40.84
Buy	1554	40.85
Buy	3745	40.86
Buy	372	40.87
Buy	5986	40.88
Buy	3249	40.89
Buy	9994	40.90
Buy	7077	40.91
Buy	6346	40.92
Buy	12974	40.93
Buy	2354	40.94
Buy	8457	40.95
Buy	4244	40.96
Buy	3139	40.97
Buy	8926	40.98
Buy	9243	40.99
Buy	10177	41.00
Buy	2794	41.01
Buy	2445	41.02
Buy	1317	41.03
Buy	1590	41.04
Buy	5014	41.05
Buy	1200	41.06
Buy	1240	41.07
Buy	2785	41.08
Buy	278	41.09
Buy	4844	41.10
Buy	3525	41.11
Buy	8323	41.12
Buy	676	41.13
Buy	1460	41.14
Buy	7329	41.15
Buy	7901	41.16
Buy	1335	41.17
Buy	2691	41.18
Buy	4322	41.19
Buy	2717	41.20
Buy	8043	41.21
Buy	2869	41.22
Buy	4650	41.23
Buy	5117	41.24
Buy	4437	41.25
Buy	1024	41.27
Buy	478	41.28
Buy	4065	41.29
Buy	1424	41.30
Buy	572	41.31
Buy	442	41.33
Buy	2611	41.34
Buy	3448	41.35
Buy	10520	41.36
Buy	8215	41.37
Buy	6625	41.38
Buy	4930	41.39
Buy	6479	41.40
Buy	12426	41.41
Buy	17835	41.42
Buy	2683	41.43
Buy	3363	41.44
Buy	9414	41.45
Buy	2812	41.46
Buy	868	41.47
Buy	4302	41.48
Buy	22026	41.49
Buy	15721	41.50
Buy	5248	41.51
Buy	3957	41.52
Buy	7559	41.53
Buy	2058	41.54
Buy	7103	41.55
Buy	8741	41.56
Buy	6637	41.57
Buy	7077	41.58
Buy	8823	41.59
Buy	12480	41.60
Buy	6305	41.61
Buy	40422	41.62
Buy	20797	41.63
Buy	16335	41.64
Buy	8840	41.65
Buy	8776	41.66
Buy	8100	41.67
Buy	56205	41.68
Buy	8981	41.69
Buy	26968	41.70
Buy	541	41.71
Buy	5473	41.72
Buy	1796	41.73
Buy	1949	41.74
Buy	2701	41.75
Buy	2946	41.76
Buy	3926	41.77
Buy	3535	41.78
Buy	89	41.80
Buy	1517	41.84
Buy	644	41.85
Buy	3360	41.87
Buy	5470	41.88
Buy	1870	41.89
Buy	1257	41.90
Buy	739	41.91
Buy	605	41.94
Buy	527	41.95
Buy	3082	41.96
Buy	1715	41.97
Buy	768	41.98
Buy	4929	41.99
Buy	4888	42.00
Buy	469	42.01
Buy	593	42.02
Buy	1948	42.03
Buy	1306	42.04
Buy	470	42.05
Buy	468	42.08
Buy	5000	42.12
Buy	216	42.13
Buy	5185	42.14
Buy	493	42.15
Buy	2046	42.16
Buy	1441	42.17
Buy	3220	42.18
Buy	2200	42.20
Buy	465	42.21
Buy	4746	42.22
Buy	1320	42.23
Buy	3784	42.24
Buy	6764	42.25
Buy	2561	42.26
Buy	2641	42.27
Buy	4079	42.28
Buy	2440	42.29
Buy	7825	42.30
Buy	180	42.31
Buy	969	42.32
Buy	668	42.35
Buy	94	42.40
Buy	132	42.43
Buy	3394	42.44
Buy	464	42.45
Buy	579	42.47
Buy	470	42.48
Buy	1164	42.49
Buy	1437	42.50
Buy	827	42.51
Buy	1320	42.52
Buy	398	42.55
Buy	22	42.59
Buy	1360	42.64
Buy	239	42.69
Buy	4978	42.70
Buy	1582	42.72
Buy	2500	42.77
Buy	72	42.79
Buy	1895	42.80
Buy	1570	42.81
Buy	100	42.83
Buy	1080	42.86
Buy	800	43.16
Buy	44	43.17
Buy	150000	46.00
Total Buy	1618027

Buy/Sell	Amount	Price
Sell	-6000	38.00
Sell	-6300	38.30
Sell	-1255	39.10
Sell	-188	39.14
Sell	-439	39.18
Sell	-353	39.21
Sell	-23	39.22
Sell	-188	39.25
Sell	-13	39.26
Sell	-188	39.28
Sell	-543	39.29
Sell	-264	39.30
Sell	-372	39.35
Sell	-836	39.38
Sell	-188	39.50
Sell	-188	39.51
Sell	-4235	39.60
Sell	-1764	39.61
Sell	-2007	39.63
Sell	-124	39.64
Sell	-208	39.70
Sell	-556	39.75
Sell	-39801	39.80
Sell	-140	39.82
Sell	-17	39.83
Sell	-5230	39.84
Sell	-304	39.85
Sell	-500	39.86
Sell	-401	39.90
Sell	-848	39.92
Sell	-537	39.93
Sell	-188	39.94
Sell	-1075	39.95
Sell	-5323	39.96
Sell	-1399	39.97
Sell	-188	39.99
Sell	-188	40.00
Sell	-228	40.03
Sell	-13	40.10
Sell	-62	40.12
Sell	-493	40.19
Sell	-1389	40.20
Sell	-485	40.22
Sell	-664	40.23
Sell	-434	40.24
Sell	-240	40.25
Sell	-2044	40.26
Sell	-170	40.27
Sell	-188	40.29
Sell	-368	40.30
Sell	-621	40.31
Sell	-1230	40.32
Sell	-555	40.33
Sell	-165	40.34
Sell	-3638	40.35
Sell	-1845	40.36
Sell	-2286	40.37
Sell	-1119	40.38
Sell	-700	40.39
Sell	-255	40.40
Sell	-990	40.41
Sell	-545	40.42
Sell	-400	40.43
Sell	-165	40.45
Sell	-2113	40.46
Sell	-2262	40.47
Sell	-3248	40.49
Sell	-2966	40.50
Sell	-1361	40.51
Sell	-2554	40.52
Sell	-2360	40.53
Sell	-975	40.54
Sell	-2515	40.55
Sell	-263	40.56
Sell	-841	40.57
Sell	-766	40.58
Sell	-691	40.59
Sell	-90	40.60
Sell	-90	40.62
Sell	-1420	40.64
Sell	-2052	40.65
Sell	-1830	40.66
Sell	-80	40.68
Sell	-1215	40.70
Sell	-548	40.71
Sell	-25	40.72
Sell	-117	40.73
Sell	-138	40.74
Sell	-321	40.76
Sell	-1723	40.77
Sell	-497	40.78
Sell	-191	40.79
Sell	-34	40.80
Sell	-950	40.81
Sell	-306	40.82
Sell	-188	40.83
Sell	-1271	40.84
Sell	-985	40.85
Sell	-88	40.86
Sell	-402	40.87
Sell	-951	40.91
Sell	-816	40.93
Sell	-983	40.94
Sell	-461	40.95
Sell	-400	40.96
Sell	-488	40.97
Sell	-620	40.98
Sell	-633	40.99
Sell	-1959	41.00
Sell	-2178	41.02
Sell	-172	41.03
Sell	-869	41.04
Sell	-160000	41.05
Sell	-1073	41.09
Sell	-1049	41.10
Sell	-188	41.11
Sell	-2001	41.12
Sell	-352	41.13
Sell	-380	41.14
Sell	-481	41.16
Sell	-474	41.19
Sell	-71	41.20
Sell	-880	41.21
Sell	-953	41.24
Sell	-156	41.25
Sell	-689	41.27
Sell	-193	41.30
Sell	-5690	41.32
Sell	-1	41.34
Sell	-1477	41.35
Sell	-83	41.36
Sell	-325	41.37
Sell	-3658	41.38
Sell	-1196	41.39
Sell	-596	41.40
Sell	-1452	41.41
Sell	-9656	41.42
Sell	-8686	41.43
Sell	-3563	41.44
Sell	-1530	41.45
Sell	-3308	41.46
Sell	-3049	41.47
Sell	-12911	41.48
Sell	-26744	41.49
Sell	-34526	41.50
Sell	-8183	41.51
Sell	-9843	41.52
Sell	-4409	41.53
Sell	-2888	41.54
Sell	-13881	41.55
Sell	-6112	41.56
Sell	-3816	41.57
Sell	-4693	41.59
Sell	-2723	41.60
Sell	-5493	41.61
Sell	-27502	41.62
Sell	-147	41.63
Sell	-2859	41.64
Sell	-1220	41.65
Sell	-5068	41.66
Sell	-1220	41.67
Sell	-542866	41.68
Sell	-2228	41.69
Sell	-2623	41.70
Sell	-4663	41.71
Sell	-1021	41.72
Sell	-2484	41.75
Sell	-43	41.76
Sell	-645	41.77
Sell	-1183	41.78
Sell	-1620	41.79
Sell	-1309	41.80
Sell	-215678	41.81
Sell	-731	41.82
Sell	-823	41.83
Sell	-331	41.85
Sell	-249	41.86
Sell	-10000	41.88
Sell	-421	41.89
Sell	-2953	41.90
Sell	-2435	41.91
Sell	-170	41.93
Sell	-394	41.94
Sell	-2594	41.96
Sell	-1336	41.97
Sell	-733	41.98
Sell	-3352	41.99
Sell	-425	42.00
Sell	-1976	42.01
Sell	-65	42.02
Sell	-51	42.03
Sell	-997	42.04
Sell	-400	42.06
Sell	-928	42.09
Sell	-56	42.12
Sell	-86	42.13
Sell	-179	42.14
Sell	-323	42.15
Sell	-666	42.16
Sell	-1962	42.18
Sell	-1049	42.19
Sell	-600	42.20
Sell	-218	42.22
Sell	-841	42.23
Sell	-2597	42.24
Sell	-2835	42.25
Sell	-641	42.27
Sell	-963	42.28
Sell	-788	42.31
Sell	-200	42.33
Sell	-529	42.39
Sell	-246	42.49
Sell	-1518	42.50
Sell	-1546	42.51
Sell	-4337	42.52
Sell	-222	42.53
Sell	-200	42.55
Sell	-3000	42.59
Sell	-40	42.64
Sell	-319	42.66
Sell	-200	42.70
Sell	-150000	50.00
Sell	-175000	52.00
Sell	-250000	54.00
Sell	-1000	64.00
Total Sell	-1949005

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	24 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

ENDEMMPUURGBUPRUBC

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Rio Tinto