Columbia Banking Systems, Inc. Stock Price History | Historical COLB Company Stock Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 22, 2013	21.99	22.21	21.60	21.72	0	-0.30(-1.36%)
May 21, 2013	21.97	22.10	21.83	22.02	0	+0.02(+0.09%)
May 20, 2013	21.94	22.09	21.93	22.00	0	-0.03(-0.14%)
May 17, 2013	21.85	22.12	21.85	22.03	0	+0.24(+1.10%)
May 16, 2013	21.76	21.98	21.74	21.79	88,046	-0.06(-0.27%)
May 15, 2013	21.63	21.94	21.63	21.85	0	+0.41(+1.91%)
May 13, 2013	21.48	21.73	21.38	21.44	0	-0.04(-0.19%)
May 10, 2013	21.48	21.59	21.38	21.48	0	+0.07(+0.33%)
May 09, 2013	21.44	21.60	21.39	21.41	0	-0.09(-0.42%)
May 08, 2013	21.45	21.58	21.29	21.50	0	+0.00(+0.00%)
May 07, 2013	21.41	21.60	21.32	21.50	0	+0.08(+0.37%)
May 06, 2013	21.29	21.60	21.14	21.42	0	+0.00(+0.00%)
May 03, 2013	21.46	21.70	21.38	21.42	0	+0.26(+1.23%)
May 02, 2013	21.10	21.37	20.99	21.16	0	+0.16(+0.76%)
May 01, 2013	21.46	21.62	20.86	21.00	490,919	-0.47(-2.19%)
Apr 30, 2013	21.47	21.51	21.29	21.47	0	+0.00(+0.00%)
Apr 29, 2013	21.37	21.54	21.31	21.47	178,224	+0.12(+0.56%)
Apr 26, 2013	21.49	21.49	21.18	21.35	256,450	-0.16(-0.74%)
Apr 25, 2013	21.30	21.58	21.12	21.51	264,699	+0.36(+1.70%)
Apr 24, 2013	20.87	21.28	20.78	21.15	162,187	+0.18(+0.86%)
Apr 23, 2013	21.48	21.48	20.68	20.97	392,092	+0.69(+3.40%)
Apr 22, 2013	20.33	20.46	19.85	20.28	255,596	+0.01(+0.05%)
Apr 19, 2013	20.05	20.32	19.99	20.27	277,907	+0.19(+0.95%)
Apr 18, 2013	20.36	20.46	20.02	20.08	289,854	-0.21(-1.03%)
Apr 17, 2013	20.42	20.66	20.10	20.29	465,682	-0.31(-1.50%)
Apr 16, 2013	20.82	20.95	20.51	20.60	425,871	-0.12(-0.58%)
Apr 15, 2013	21.46	21.52	20.57	20.72	447,863	-0.81(-3.76%)
Apr 12, 2013	21.14	21.90	21.14	21.53	456,525	+0.27(+1.27%)
Apr 11, 2013	21.33	21.52	21.22	21.26	353,225	-0.08(-0.37%)
Apr 10, 2013	21.16	21.45	21.09	21.34	475,411	+0.25(+1.19%)
Apr 09, 2013	21.24	21.32	20.87	21.09	409,121	-0.05(-0.24%)
Apr 08, 2013	21.31	21.31	21.07	21.14	380,967	-0.17(-0.80%)
Apr 05, 2013	21.23	21.32	21.02	21.31	452,731	+0.08(+0.38%)
Apr 04, 2013	21.16	21.26	20.88	21.23	280,250	+0.06(+0.28%)
Apr 03, 2013	21.28	21.40	21.06	21.17	578,551	-0.12(-0.56%)
Apr 02, 2013	21.74	21.79	21.25	21.29	665,473	-0.37(-1.71%)
Apr 01, 2013	21.65	21.78	20.85	21.66	1,601,780	-0.32(-1.46%)
Mar 28, 2013	21.84	22.08	21.70	21.98	1,737,157	+0.16(+0.73%)
Mar 27, 2013	21.65	21.82	21.43	21.82	259,262	+0.01(+0.05%)
Mar 26, 2013	21.76	21.84	21.57	21.81	424,784	+0.10(+0.46%)
Mar 25, 2013	21.41	21.79	21.30	21.71	517,509	+0.33(+1.54%)
Mar 22, 2013	21.24	21.46	21.17	21.38	240,311	+0.16(+0.75%)
Mar 21, 2013	21.20	21.34	21.12	21.22	241,797	-0.12(-0.56%)
Mar 20, 2013	21.29	21.41	21.17	21.34	266,134	+0.11(+0.52%)
Mar 19, 2013	20.91	21.32	20.75	21.23	638,264	+0.41(+1.97%)
Mar 18, 2013	20.96	21.16	20.65	20.82	265,502	-0.39(-1.84%)
Mar 15, 2013	21.10	21.27	21.01	21.21	515,623	+0.16(+0.76%)
Mar 14, 2013	20.74	21.11	20.66	21.05	359,604	+0.38(+1.84%)
Mar 13, 2013	20.46	20.85	20.38	20.67	189,925	+0.22(+1.08%)
Mar 12, 2013	20.51	20.61	20.39	20.45	262,772	-0.08(-0.39%)
Mar 11, 2013	20.60	20.60	20.34	20.53	423,374	-0.15(-0.73%)
Mar 08, 2013	20.89	21.00	20.48	20.68	280,932	-0.03(-0.14%)
Mar 07, 2013	20.45	20.75	20.34	20.71	112,546	+0.26(+1.27%)
Mar 06, 2013	20.39	20.50	20.35	20.45	70,821	+0.09(+0.44%)
Mar 05, 2013	20.18	20.48	19.96	20.36	188,372	+0.23(+1.14%)
Mar 04, 2013	19.85	20.23	19.84	20.13	177,131	+0.17(+0.85%)

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