Rating History for Patterson-UTI Energy (PTEN) by

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Date Analyst Type Rating
(Past)		 PT
(Past)		 Start $
(End $)		 % Chg. Details
8/20/2010 N/A Downgrade
(N/A)		 N/A
(N/A)		 14.68
(12.34)		 -15.94% Details