Tenaris S.A. ADR (NY: TS )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 29, 2009	20.83	20.91	20.48	20.62	4,081,107	+0.19(+0.92%)
May 28, 2009	20.23	20.65	19.84	20.44	3,203,374	+0.67(+3.41%)
May 27, 2009	19.92	20.21	19.65	19.76	4,233,160	-0.14(-0.71%)
May 26, 2009	18.90	19.94	18.89	19.90	2,870,150	+0.53(+2.75%)
May 22, 2009	19.46	19.92	19.12	19.37	5,711,825	-0.09(-0.48%)
May 21, 2009	19.66	19.69	19.14	19.46	4,560,998	+0.00(+0.00%)
May 20, 2009	19.61	20.02	19.36	19.46	3,786,235	+0.36(+1.91%)
May 19, 2009	18.92	19.39	18.83	19.10	3,414,360	+0.16(+0.85%)
May 18, 2009	18.38	18.99	18.25	18.94	2,841,081	+1.17(+6.61%)
May 15, 2009	18.13	18.38	17.60	17.76	2,927,775	-0.24(-1.31%)
May 14, 2009	17.66	18.16	17.51	18.00	3,774,590	-0.12(-0.67%)
May 13, 2009	18.48	18.70	17.98	18.12	4,376,157	-1.05(-5.49%)
May 12, 2009	19.23	19.33	18.63	19.17	2,347,688	+0.30(+1.57%)
May 11, 2009	18.74	18.94	18.55	18.88	2,551,294	-0.65(-3.35%)
May 08, 2009	19.52	19.70	18.86	19.53	4,188,522	+0.63(+3.32%)
May 07, 2009	20.19	20.47	18.53	18.90	7,921,733	-0.03(-0.18%)
May 06, 2009	18.67	19.04	18.37	18.94	2,876,027	+0.74(+4.08%)
May 05, 2009	18.27	18.38	17.72	18.20	3,101,349	-0.27(-1.46%)
May 04, 2009	17.73	18.51	17.73	18.47	3,611,294	+1.13(+6.50%)
May 01, 2009	17.04	17.62	16.74	17.34	2,274,105	+0.46(+2.72%)
Apr 30, 2009	17.28	17.32	16.59	16.88	4,104,848	-0.19(-1.11%)
Apr 29, 2009	16.85	17.25	16.82	17.07	3,071,068	+0.43(+2.55%)
Apr 28, 2009	16.52	16.85	16.41	16.64	3,124,250	-0.19(-1.12%)
Apr 27, 2009	16.89	17.30	16.55	16.83	4,430,405	-0.09(-0.52%)
Apr 24, 2009	16.99	17.18	16.79	16.92	3,677,634	+0.83(+5.16%)
Apr 23, 2009	16.33	16.41	15.82	16.09	3,302,064	+0.02(+0.13%)
Apr 22, 2009	15.81	16.44	15.73	16.07	3,136,224	+0.30(+1.93%)
Apr 21, 2009	14.80	15.81	14.78	15.77	2,492,956	+0.55(+3.64%)
Apr 20, 2009	15.59	15.59	15.21	15.21	2,869,011	-1.29(-7.81%)
Apr 17, 2009	16.08	16.59	16.00	16.50	3,279,050	-0.01(-0.08%)
Apr 16, 2009	16.22	16.77	15.95	16.52	4,176,633	+0.80(+5.06%)
Apr 15, 2009	15.47	15.77	15.41	15.72	2,291,824	+0.31(+2.01%)
Apr 14, 2009	15.25	15.65	15.22	15.41	3,369,106	-0.47(-2.93%)
Apr 13, 2009	15.34	16.08	15.00	15.87	3,069,118	+0.49(+3.16%)
Apr 09, 2009	14.89	15.39	14.85	15.39	3,137,801	+0.81(+5.55%)
Apr 08, 2009	14.60	14.75	14.21	14.58	1,990,202	+0.19(+1.31%)
Apr 07, 2009	14.47	14.60	14.19	14.39	2,394,517	-0.70(-4.65%)
Apr 06, 2009	14.82	15.20	14.71	15.09	3,406,665	-0.01(-0.09%)
Apr 03, 2009	14.94	15.19	14.58	15.11	4,396,231	+0.20(+1.31%)
Apr 02, 2009	14.34	15.05	14.32	14.91	4,016,340	+1.08(+7.80%)
Apr 01, 2009	13.34	13.97	13.33	13.83	2,849,703	+0.22(+1.64%)
Mar 31, 2009	13.77	14.00	13.55	13.61	2,986,865	+0.11(+0.85%)
Mar 30, 2009	13.35	13.49	13.09	13.49	4,162,694	-1.12(-7.66%)
Mar 26, 2009	14.30	14.63	14.28	14.61	5,957,080	+0.45(+3.14%)
Mar 25, 2009	13.72	14.22	13.63	14.17	5,255,589	+0.72(+5.37%)
Mar 24, 2009	13.76	13.78	13.40	13.45	3,962,884	-0.88(-6.12%)
Mar 23, 2009	13.97	14.32	13.88	14.32	2,900,926	+1.13(+8.54%)
Mar 20, 2009	14.03	14.03	13.18	13.20	4,017,117	-0.30(-2.25%)
Mar 19, 2009	13.39	13.75	13.33	13.50	4,964,444	+0.39(+2.99%)
Mar 18, 2009	12.49	13.18	12.25	13.11	4,370,585	+0.33(+2.59%)
Mar 17, 2009	12.23	12.78	12.01	12.78	3,238,443	+0.32(+2.60%)
Mar 16, 2009	12.66	12.86	12.41	12.45	3,370,213	-0.14(-1.12%)
Mar 13, 2009	12.31	12.60	12.18	12.60	0	+0.39(+3.21%)
Mar 12, 2009	11.57	12.27	11.33	12.20	3,113,141	+0.48(+4.09%)
Mar 11, 2009	11.93	11.96	11.48	11.73	3,440,138	+0.05(+0.40%)
Mar 10, 2009	11.25	11.73	11.25	11.68	4,329,166	+0.92(+8.53%)
Mar 09, 2009	10.59	11.13	10.34	10.76	4,997,767	-0.26(-2.33%)
Mar 06, 2009	11.00	11.13	10.61	11.02	0	+0.45(+4.21%)
Mar 05, 2009	10.43	10.79	10.39	10.57	5,330,432	-0.51(-4.57%)
Mar 04, 2009	10.89	11.24	10.79	11.08	6,207,447	+0.67(+6.42%)