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Thoratec Corporation (THOR) Yearly Returns

Year	Beginning Price	Ending Price	Gain or Loss	Percent Gain or Loss
1988	0.21875	0.125	-0.09375	-42.86%
1989	0.125	0.078125	-0.046875	-37.50%
1990	0.078125	0.09375	0.015625	20.00%
1991	0.09375	0.375	0.28125	300.00%
1992	0.375	1.00	0.625	166.67%
1993	1.00	1.8125	0.8125	81.25%
1994	1.8125	2.1875	0.375	20.69%
1995	2.1875	3.00	2.8125	128.57%
1996	5.00	3.1667*	-1.8333	-36.67%
1997	9.50	6.625	-2.875	-30.26%
1998	6.625	7.125	0.50	7.55%
1999	7.125	9.75	2.625	36.84%
2000	9.75	11.00	1.25	12.82%
2001	11.00	17.00	6.00	54.55%
2002	17.00	7.63	-9.37	-55.12%
2003	7.63	12.93	5.30	69.46%
2004	12.93	10.42	-2.51	-19.41%
2005	10.42	20.69	10.27	98.56%
2006	20.69	17.58	-3.11	-15.03%
2007	17.58	18.19	0.61	3.47%
2008	18.19	32.49	14.30	78.61%
2009	32.49	26.92	-5.57	-17.14%
2010	26.92	28.32	1.40	5.20%
2011	28.32	33.56	5.24	18.50%
2012	33.56	37.52	3.96	11.80%
2013	37.52	36.60	-0.92	-2.45%
2014	36.60	32.46	-4.14	-11.31%
2015	32.46	63.50	31.04	95.63%

*The 1996 ending price for Thoratec Corp. has been adjusted for a 1 for 3 reverse stock split.
*in 2015, St. Jude Medical (STJ) completed its acquisition of Thoratec Corporation (THOR) for $65 per share.

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).

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