PATTERSON-UTI ENERGY, INC. reported that for the month of December 2015, the Company had an average of 82 drilling rigs operating in the United States and one rig in Canada.

For the three months ended December 31, 2015, the Company had an average of 88 drilling rigs operating in the United States and three 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.

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