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Board of Directors
Mr. Riggs has served as a member of NexTier’s board of directors since October 2019. Mr. Riggs has served in senior-level positions of Clayton Williams and its related companies for 28 years, including his current position as Vice President and Director since May 2017. Clayton Williams Companies is a group of privately held companies involved in oil and natural gas activities, real estate, and agricultural operations. From March 2015 to April 2017, Mr. Riggs served as President of Clayton Williams Energy, Inc. (“CWEI”), a public exploration and production company that develops and produces oil and natural gas. From December 2010 until Mach 2015, Mr. Riggs served as Executive Vice President and Chief Operating Officer of CWEI. From 1991 to December 2010, Mr. Riggs served as Senior Vice President—Finance, Secretary, Treasurer, and Chief Financial Officer of CWEI. Mr. Riggs currently serves as a Director at TransAtlantic Petroleum Ltd. since July 2009 and as a Director and the Chairman of the Board of Royale Energy, Inc. since July 2018. He previously served as a Director of CWEI from May 1994 until April 2017. Mr. Riggs is a Certified Public Accountant.