REGN: Historical Prices for Regeneron Pharmaceuticals, Inc.

Date	Open	High	Low	Close	Volume	Adj Close*
18-Dec-09	20.94	21.55	20.94	21.41	1,762,300	21.41
17-Dec-09	20.59	20.75	20.41	20.65	457,900	20.65
16-Dec-09	20.31	20.92	20.10	20.78	624,800	20.78
15-Dec-09	19.55	20.30	19.48	20.22	682,600	20.22
14-Dec-09	19.02	19.57	18.78	19.55	498,600	19.55
11-Dec-09	18.79	19.05	18.53	18.96	531,100	18.96
10-Dec-09	19.03	19.30	18.59	18.75	354,900	18.75
9-Dec-09	18.91	19.05	18.60	18.99	184,700	18.99
8-Dec-09	19.09	19.22	18.87	18.93	609,200	18.93
7-Dec-09	19.29	19.44	19.03	19.23	602,400	19.23
4-Dec-09	19.38	19.74	19.03	19.32	368,700	19.32
3-Dec-09	19.41	19.61	18.97	19.00	282,300	19.00
2-Dec-09	18.90	19.50	18.78	19.29	585,800	19.29
1-Dec-09	18.44	18.95	18.28	18.94	1,211,700	18.94
30-Nov-09	18.15	18.46	18.12	18.35	521,800	18.35
27-Nov-09	18.04	18.47	18.04	18.09	199,800	18.09
25-Nov-09	18.69	18.88	18.30	18.34	353,100	18.34
24-Nov-09	18.50	18.87	18.34	18.66	293,700	18.66
23-Nov-09	18.57	19.09	18.46	18.58	318,700	18.58
20-Nov-09	18.49	18.79	18.25	18.46	359,600	18.46
19-Nov-09	19.18	19.21	18.54	18.67	440,200	18.67
18-Nov-09	19.84	19.86	18.94	19.38	527,500	19.38
17-Nov-09	19.70	19.96	19.54	19.93	528,400	19.93
16-Nov-09	18.75	19.84	18.57	19.72	723,300	19.72
13-Nov-09	18.96	19.09	18.29	18.57	836,200	18.57
12-Nov-09	18.95	19.35	18.63	18.99	1,060,200	18.99
11-Nov-09	17.54	19.10	17.32	18.95	4,280,300	18.95
10-Nov-09	15.55	15.85	15.51	15.80	526,200	15.80
9-Nov-09	15.85	15.87	15.51	15.68	319,700	15.68
6-Nov-09	15.36	15.73	15.36	15.71	356,900	15.71
5-Nov-09	15.13	15.58	15.11	15.48	473,100	15.48
4-Nov-09	15.96	16.06	15.02	15.05	759,200	15.05
3-Nov-09	15.38	16.07	15.38	15.96	1,001,000	15.96
2-Nov-09	15.76	16.16	15.18	15.39	989,400	15.39
30-Oct-09	16.15	16.19	15.43	15.70	1,063,500	15.70
29-Oct-09	16.21	16.57	16.09	16.24	909,300	16.24
28-Oct-09	17.23	17.23	16.51	16.54	474,700	16.54
27-Oct-09	17.49	17.71	17.19	17.20	428,600	17.20
26-Oct-09	17.66	17.98	17.25	17.49	398,300	17.49
23-Oct-09	18.16	18.24	17.47	17.59	522,200	17.59
22-Oct-09	18.04	18.39	17.81	18.14	611,100	18.14
21-Oct-09	18.16	18.61	17.96	18.02	447,400	18.02
20-Oct-09	18.68	18.88	18.12	18.18	349,700	18.18
19-Oct-09	18.94	19.14	18.54	18.71	531,000	18.71
16-Oct-09	19.03	19.10	18.60	18.82	412,100	18.82
15-Oct-09	18.98	19.30	18.83	19.11	625,200	19.11
14-Oct-09	19.09	19.22	18.90	19.08	528,200	19.08
13-Oct-09	18.80	19.35	18.80	18.89	978,000	18.89
12-Oct-09	18.41	18.90	18.41	18.88	530,000	18.88
9-Oct-09	18.29	18.52	18.15	18.41	740,600	18.41
8-Oct-09	18.90	19.06	18.34	18.38	456,700	18.38
7-Oct-09	18.96	19.22	18.74	18.78	504,100	18.78
6-Oct-09	18.57	19.22	18.39	18.98	614,500	18.98
5-Oct-09	18.65	18.80	18.35	18.40	360,600	18.40
2-Oct-09	18.74	18.78	18.44	18.62	368,000	18.62
1-Oct-09	19.29	19.32	18.75	18.75	396,100	18.75
30-Sep-09	19.65	19.94	19.17	19.30	586,000	19.30
29-Sep-09	20.42	20.49	19.58	19.64	491,700	19.64
28-Sep-09	20.46	20.54	20.07	20.34	672,900	20.34
25-Sep-09	20.65	21.00	20.27	20.30	393,500	20.30
24-Sep-09	21.08	21.13	20.59	20.70	264,800	20.70
23-Sep-09	21.13	21.38	20.95	20.95	230,100	20.95
22-Sep-09	21.63	21.63	21.10	21.16	269,700	21.16
21-Sep-09	21.16	21.98	21.05	21.61	240,300	21.61
18-Sep-09	21.56	21.56	21.19	21.28	1,059,000	21.28
17-Sep-09	21.49	21.84	21.39	21.50	212,900	21.50
* Close price adjusted for dividends and splits.

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