PATTERSON UTI ENERGY INC

Our property consists primarily of drilling rigs and related equipment, completion services equipment and rental bits. We own substantially all of the equipment used in our businesses.

Our corporate headquarters is in leased office space and is located at 10713 W. Sam Houston Parkway N., Suite 800, Houston, Texas, 77064. Our telephone number at that address is (281) 765-7100.

Drilling Services— Our drilling services are supported by multiple offices and yard facilities located throughout our areas of operations, including Texas, Oklahoma, Colorado, North Dakota, Wyoming, Pennsylvania, Ohio, and internationally in Colombia. Our servicing of equipment for drilling contractors is supported by offices and yard facilities located in Texas. Our electrical controls and automation operation is supported by an office and yard facility in Texas.

Completion Services — Our completion services are supported by multiple offices and yard facilities located in the Permian, Marcellus Shale/Utica Basins, Haynesville and Eagle Ford, among others.

Drilling Products — Our drilling products segment is supported by multiple offices and manufacturing and distributing facilities located through North America and internationally in over 30 countries.

Other — Our oilfield rental operations are supported by offices and yard facilities located in Texas, Oklahoma and Ohio. Our interests in oil and natural gas assets are primarily located in Texas and New Mexico.

We own or lease administrative offices, manufacturing facilities, research centers, and other facilities throughout the world, none of which is individually material. We believe that our existing facilities are suitable and adequate to meet our needs.

We incorporate by reference in response to this item the information set forth in Item 1 of this Report and the information set forth in Note 6 of the Notes to Consolidated Financial Statements included in Item 8 of this Report.