Biography

Mr. Gaut currently serves as Chairman of the Board, having previously served as our President and Chief Executive Officer from November 2018 until his retirement from those positions in February 2022, and as Chairman of the Board from December 2017. Prior to that, from May 2017 to December 2017, he served as Executive Chairman of the Board, and as Chief Executive Officer from May 2016 to May 2017. From August 2010 to May 2016, he served as President, Chief Executive Officer and Chairman of the Board, and as one of our directors since December 2006. He served as a consultant to SCF Partners from November 2009 to August 2010, and an industry advisor from May 2017 to November 2018. Mr. Gaut served at Halliburton Company, a leading diversified oilfield services company, as President of the Drilling and Evaluation Division and prior to that as Chief Financial Officer, from March 2003 through April 2009. From April 2009 through November 2009, Mr. Gaut was a private investor. Prior to joining Halliburton Company in 2003, Mr. Gaut was a Co-Chief Operating Officer of Ensco International, a provider of offshore contract drilling services. He also served as Ensco’s Chief Financial Officer from 1988 until 2003.

Mr. Gaut is currently a member of the board of directors of EOG Resources, Inc., a public independent crude oil and natural gas company, and previously served as a director of Valaris plc, a provider of offshore contract drilling services, and Key Energy Services Inc., a well services provider.

The board of directors selected Mr. Gaut because of his prior experience as our President and Chief Executive Officer; previous executive leadership roles with leading energy companies; operational and financial expertise in the oil and gas business; financial literacy; knowledge of the demands and expectations of our customers; and service as a board member of other public companies.