ALXN: Historical Prices for Alexion Pharmaceuticals, Inc.

Date	Open	High	Low	Close	Volume	Adj Close*
20-Nov-09	44.16	44.27	43.63	43.70	429,400	43.70
19-Nov-09	45.07	45.16	43.96	44.16	488,400	44.16
18-Nov-09	45.13	45.31	44.90	45.21	331,300	45.21
17-Nov-09	45.06	45.37	45.02	45.37	465,800	45.37
16-Nov-09	43.91	45.49	43.84	45.36	708,400	45.36
13-Nov-09	43.39	44.09	43.30	43.90	532,900	43.90
12-Nov-09	43.94	44.16	43.26	43.54	779,900	43.54
11-Nov-09	44.40	45.04	43.94	44.20	558,100	44.20
10-Nov-09	44.21	45.11	43.77	44.55	859,700	44.55
9-Nov-09	45.01	45.46	44.26	44.46	750,600	44.46
6-Nov-09	44.55	45.44	44.55	45.03	525,600	45.03
5-Nov-09	43.76	45.19	43.76	45.19	819,700	45.19
4-Nov-09	44.51	44.69	43.51	43.65	675,200	43.65
3-Nov-09	43.10	44.49	43.00	44.49	829,300	44.49
2-Nov-09	44.78	44.90	43.04	43.54	1,323,900	43.54
30-Oct-09	44.95	45.75	44.39	44.41	663,000	44.41
29-Oct-09	46.04	46.04	44.82	44.90	926,000	44.90
28-Oct-09	48.21	48.37	45.00	45.14	1,456,200	45.14
27-Oct-09	48.21	48.90	48.05	48.06	1,152,700	48.06
26-Oct-09	48.26	48.80	47.75	47.99	1,014,400	47.99
23-Oct-09	47.99	48.93	47.87	47.97	1,298,000	47.97
22-Oct-09	47.10	48.03	46.01	47.81	2,935,400	47.81
21-Oct-09	44.90	45.17	43.81	44.13	841,300	44.13
20-Oct-09	45.88	46.18	44.51	44.80	512,200	44.80
19-Oct-09	45.92	46.78	45.67	45.99	578,200	45.99
16-Oct-09	45.56	46.16	45.44	46.02	399,800	46.02
15-Oct-09	44.53	46.16	44.44	45.87	534,800	45.87
14-Oct-09	44.61	44.93	43.82	44.91	632,300	44.91
13-Oct-09	44.42	45.20	43.86	43.98	325,500	43.98
12-Oct-09	44.53	44.95	44.39	44.51	220,600	44.51
9-Oct-09	44.29	44.88	44.29	44.66	175,400	44.66
8-Oct-09	44.12	44.61	43.66	44.48	626,800	44.48
7-Oct-09	44.59	44.71	43.62	43.76	416,800	43.76
6-Oct-09	43.70	44.87	43.22	44.30	586,500	44.30
5-Oct-09	44.43	44.43	43.08	43.29	469,300	43.29
2-Oct-09	43.16	44.63	43.15	44.06	769,300	44.06
1-Oct-09	44.29	44.58	43.07	43.11	562,100	43.11
30-Sep-09	44.22	44.61	43.51	44.54	617,900	44.54
29-Sep-09	45.48	45.48	43.92	43.98	840,900	43.98
28-Sep-09	45.37	45.77	44.31	45.16	411,200	45.16
25-Sep-09	44.23	45.07	44.01	44.91	313,000	44.91
24-Sep-09	45.64	45.64	44.06	44.55	562,500	44.55
23-Sep-09	45.87	46.19	45.10	45.39	533,400	45.39
22-Sep-09	46.62	47.00	45.62	45.80	689,000	45.80
21-Sep-09	45.79	46.80	45.71	46.67	367,500	46.67
18-Sep-09	46.56	46.79	45.72	45.89	822,500	45.89
17-Sep-09	46.06	46.64	45.99	46.45	715,900	46.45
16-Sep-09	45.44	46.10	45.14	46.10	360,800	46.10
15-Sep-09	45.70	45.99	45.23	45.44	339,900	45.44
14-Sep-09	45.25	45.93	45.11	45.81	286,100	45.81
11-Sep-09	44.82	45.77	44.82	45.59	808,600	45.59
10-Sep-09	45.38	45.48	44.86	44.86	791,200	44.86
9-Sep-09	46.09	46.50	45.23	45.40	702,100	45.40
8-Sep-09	45.90	46.10	45.46	46.05	361,200	46.05
4-Sep-09	44.74	46.08	44.66	45.95	617,000	45.95
3-Sep-09	44.38	44.62	43.88	44.53	550,600	44.53
2-Sep-09	44.40	44.66	43.95	44.15	564,100	44.15
1-Sep-09	45.91	46.09	44.53	44.65	1,357,700	44.65
31-Aug-09	44.43	45.15	43.92	45.13	1,029,400	45.13
28-Aug-09	45.40	45.40	43.99	44.65	263,700	44.65
27-Aug-09	45.19	45.19	43.92	44.66	281,300	44.66
26-Aug-09	44.94	45.20	44.61	44.98	409,800	44.98
25-Aug-09	44.94	45.33	44.49	44.70	443,400	44.70
24-Aug-09	44.92	45.13	44.42	45.11	638,300	45.11
21-Aug-09	44.35	44.95	44.24	44.90	535,400	44.90
20-Aug-09	43.55	44.14	43.19	44.04	308,300	44.04
* Close price adjusted for dividends and splits.

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