Patterson-UTI Energy Announces Passing of Co-Founder Glenn Patterson

HOUSTON, June 25, 2015 /PRNewswire/ -- PATTERSON-UTI ENERGY, INC. PTEN today regretfully announced the passing of A. Glenn Patterson, one of the original founders of the Company.  Mr. Patterson served as the President and Chief Operating Officer of the Company from 1978 until his retirement in May 2006.  During his more than 25-year tenure, he was instrumental in growing a one-rig drilling company into one of the largest drilling companies in the world.

Mark S. Siegel, Chairman of Patterson-UTI, stated, "It is with great sadness that we mourn the passing of Glenn Patterson.  Our thoughts and prayers are with the Patterson family.  Glenn was a charismatic leader, company-builder and friend to all who knew him.  He was universally respected both within our company and in our industry."

About Patterson-UTI

Patterson-UTI Energy, Inc. subsidiaries provide onshore contract drilling and pressure pumping services to exploration and production companies in North America.  Patterson-UTI Drilling Company LLC and its subsidiaries operate land-based drilling rigs in oil and natural gas producing regions of the continental United States and western Canada.  Universal Pressure Pumping, Inc. and Universal Well Services, Inc. provide pressure pumping services primarily in Texas and the Appalachian region.

Location information about the Company's drilling rigs and their individual inventories is available through the Company's website at www.patenergy.com.

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SOURCE PATTERSON-UTI ENERGY, INC.