Sales estimates for BIIB

Yearly Sales Estimates for BIIB

Estimate Year	High Estimate	Low Estimate	Mean Estimate	Standard Deviation	Latest Estimate
2007	3150.9	3074	3111.584	20.806	1/28/2008
2008	4144.9	4061.3	4111.506	24.294	2/2/2009
2009	4400.9	4097	4363.973	63.87	11/23/2009
2010	4800.432	4257	4523.333	137.874	11/23/2009
2011	5065.182	4258	4598.563	210.11	11/10/2009
2012	5292.455	4189.81	4745.217	336.089	11/9/2009
2013	5522	4130.47	4847.46	585.67	8/13/2009
2014	4237.77	4237.77	4237.77	0	7/16/2009

Quarterly Sales Estimates for BIIB

Qtr Ending	High Estimate	Low Estimate	Mean Estimate	Standard Deviation	Latest Estimate
03-2007	746.9	712.1	732.529	0	4/24/2007
06-2007	777.4	742.5	759.279	9.898	7/16/2007
09-2007	841.7	766.4	801.831	16.969	10/15/2007
12-2007	861.5	812.3	837.138	11.622	1/16/2008
03-2008	916.6	858	887.484	20.286	4/18/2008
06-2008	978	909.2	951.62	19.932	7/21/2008
09-2008	1058.42	965	1000.149	25.406	10/20/2008
12-2008	1118.3	1032.5	1085.642	25.188	2/2/2009
03-2009	1125.31	1035.01	1079.742	24.257	4/8/2009
06-2009	1124	1035.39	1077.62	21.664	7/14/2009
09-2009	1133	1070	1105.744	17.667	10/16/2009
12-2009	1150.6	1103.395	1128.769	12.722	11/23/2009
03-2010	1126.6	1081	1103.189	19.193	11/10/2009
06-2010	1162.1	1066	1120.121	29.637	11/10/2009
09-2010	1166.7	1052	1123.927	37.8	11/10/2009
12-2010	1188.775	1058	1139.882	47.208	11/10/2009