O S I Systems Inc (NQ: OSIS )

Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2007	26.63	26.96	26.28	26.77	157,936	+0.16(+0.60%)
May 30, 2007	26.77	26.93	26.53	26.61	107,144	-0.39(-1.44%)
May 29, 2007	27.07	27.33	26.82	27.00	98,605	+0.05(+0.19%)
May 25, 2007	26.78	27.33	26.55	26.95	150,536	+0.23(+0.86%)
May 24, 2007	27.51	27.71	26.56	26.72	215,047	-0.85(-3.08%)
May 23, 2007	27.75	28.21	27.53	27.57	167,453	-0.15(-0.54%)
May 22, 2007	28.23	28.23	27.60	27.72	191,619	-0.42(-1.49%)
May 21, 2007	27.75	28.40	27.64	28.14	107,854	+0.24(+0.86%)
May 18, 2007	27.73	27.98	27.50	27.90	89,584	+0.31(+1.12%)
May 17, 2007	28.12	28.12	27.57	27.59	106,738	-0.51(-1.81%)
May 16, 2007	27.80	28.10	27.51	28.10	129,790	+0.31(+1.12%)
May 15, 2007	28.40	28.88	27.79	27.79	270,972	-0.59(-2.08%)
May 14, 2007	28.92	29.20	28.28	28.38	287,544	-0.42(-1.46%)
May 11, 2007	28.22	28.82	28.10	28.80	136,250	+0.75(+2.67%)
May 10, 2007	29.22	29.28	27.91	28.05	285,993	-1.17(-4.00%)
May 09, 2007	27.26	29.80	27.11	29.22	669,980	+2.04(+7.51%)
May 08, 2007	27.00	27.98	27.00	27.18	306,431	+0.69(+2.60%)
May 07, 2007	26.00	26.70	25.56	26.49	220,774	+0.11(+0.42%)
May 04, 2007	26.19	26.42	26.02	26.38	132,929	+0.29(+1.11%)
May 03, 2007	26.49	26.49	26.09	26.09	101,406	-0.30(-1.14%)
May 02, 2007	26.35	26.65	26.25	26.39	136,241	-0.04(-0.15%)

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