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Zymogenetics, Inc. (ZGEN) Yearly Returns

Year	Beginning Price	Ending Price	Gain or Loss	Percent Gain or Loss
2003	9.90	15.50	5.60	56.57%
2004	15.50	23.00	7.50	48.39%
2005	23.00	17.01	-5.99	-26.04%
2006	17.01	15.57	-1.44	-8.47%
2007	15.57	11.67	-3.90	-25.05%
2008	11.67	3.00	-8.67	-74.29%
2009	3.00	6.39	3.39	113.00%
2010	6.39	9.75*	3.36	52.58%

*On Oct. 12, 2010 Bristol Myers Squibb (BMY) completed its acquisition of ZGEN for $9.75 a share.