BIIB: Biogen Idec, Inc. Yearly Stock Returns

Calculations do not reflect any dividends paid or any stock spinoffs from original stock. Taxes and commissions are not factored into calculations. Data is property of 1stock1 and written permission must be granted before redistributing any data (in part or in whole).

Year	Begining Price	Ending Price	Gain or Loss	Percent Gain or Loss
1992	13.00	8.75	-4.25	-32.69%
1993	8.75	5.75	-3.00	-34.29%
1994	5.75	2.125	-3.625	-63.04%
1995	2.125	19.50	17.375	817.65%
1996	19.50	23.75	4.25	21.79%
1997	23.75	34.375	10.625	44.74%
1998	34.375	47.00	12.625	36.73%
1999	47.00	196.50*	149.50	318.09%
2000	98.25	189.5625	91.3125	92.94%
2001	189.5625	206.79*	17.2275	9.09%
2002	68.93	33.17	-35.76	-51.88%
2003	33.17	36.70	3.53	10.64%
2004	36.70	66.61	29.91	81.50%
2005	66.61	45.28	-21.33	-32.02%
2006	45.28	49.19	3.91	8.64%
2007	49.19	56.92	7.73	15.71%

*The 1999 ending price for Biogen has been adjusted for a 2 for 1 stock split.
*The 2001 ending price for Biogen has been adjusted for a 3 for 1 stock split.