Mr. Holcomb has served as the Chief Operating Officer of Patterson-UTI since January 2023. Mr. Holcomb joined Patterson-UTI in February 1998 with the acquisition of Robertson Onshore Drilling Company, and since that time has served in numerous operational management roles, including as President of Patterson-UTI Drilling Company LLC, a wholly owned subsidiary of Patterson-UTI, since January 2012, and as Senior Vice President of Operations of Patterson-UTI Drilling Company LLC from April 2006 to January 2012. Mr. Holcomb has over 35 years of experience in contract drilling operations. Mr. Holcomb holds a Bachelor of Science Degree in Business Management from LeTourneau University.