On August 4, 2021, NexTier Oilfield Solutions Inc. the Board of Directors appointed Matthew Gillard as Executive Vice President, Chief Operating Officer. Mr. Gillard’s employment with NexTier will commence on August 9, 2021. Mr. Gillard joins NexTier from Intex Group Inc., where, as principal and owner, he provided consulting services on oilfield logistics, supply chain and distribution, primarily focused on U.S. operations. From 2002 to April 2020, Mr. Gillard worked in various positions of increasing responsibility with Schlumberger Limited and its affiliates, including from October of 2016 to May 2017 as Vice President Unconventional Completions North America, thereafter as Vice President Production Group Western Hemisphere, and then from August 2017 to February of 2018 as President of OneStim. From February of 2018 until his departure in 2020, he served as Vice President Integration & Strategy SLB North America. During his time with Schlumberger, Mr. Gillard had extensive experience in managing technology projects and leading and building various aspects of their pressure pumping business.