Patterson-UTI: 131 Rigs Operating in U.S. for February



Patterson-UTI reported that for the month of February 2010, the Company had an average of 146 drilling rigs operating, including 131 rigs in the United States and 15 rigs in Canada. For the two months ended February 2010, the Company had an average of 141 drilling rigs operating, including 126 rigs in the United States and 15 rigs in Canada.

Average drilling rigs operating reported in the Company's monthly announcements represent the average number of the Company's drilling rigs that were operating under a drilling contract. The Company cautioned that numerous factors in addition to average drilling rigs operating can impact the Company's operating results and that a particular trend in the number of drilling rigs operating may or may not indicate a trend in or be indicative of the Company's financial performance. The Company intends to continue providing monthly updates on drilling rigs operating shortly after the end of each month.


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