PTEN: Patterson UTI Energy 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
1994	6.875	6.75	-0.125	-1.82%
1995	6.75	14.125	7.375	109.26%
1996	14.125	25.75	11.625	82.30%
1997	25.75	77.375*	51.625	200.49%
1998	38.6875	8.125*	-30.5625	-79.00%
1999	4.0625	13.00	8.9375	220.00%
2000	13.00	37.25	24.25	186.54%
2001	37.25	23.31	-13.94	-37.42%
2002	23.31	30.17	6.86	29.43%
2003	30.17	32.93	2.76	9.15%
2004	32.93	38.90*	5.97	18.13%
2005	19.45	32.95	13.50	69.41%
2006	32.95	23.23	-9.72	-29.50%
2007	23.23	19.52	-3.71	-15.97%

*The 1997 ending price for Patterson-UTI has been adjusted for a 2 for 1 stock split.
*The 1998 ending price for Patterson-UTI has been adjusted for a 2 for 1 stock split.
*The 2004 ending price for Patterson-UTI has been adjusted for a 2 for 1 stock split.