Dale Redman

Chief Executive Officer and Director

Dale Redman is a co-founder of ProPetro and has been Chief Executive Officer since 2008, and he has been a member of our board of directors since 2005. Mr. Redman has over 32 years of executive and entrepreneurial experience in the energy services industry. He was a co-founder and Chief Executive Officer of Downhole Injection Systems, LLC, which was sold in 2004. Prior to that, Mr. Redman was President and CEO of Reef Chemical Company from 1993 to 1998. Mr. Redman received a B.B.A. in Finance from Texas Tech University.

Spencer D. Armour III

Director

Spencer D. Armour, III has served as a member of our board of directors since February 2013. Mr. Armour has over 30 years of executive and entrepreneurial experience in the energy services industry. Mr. Armour currently serves as President of PT Petroleum LLC in Midland, Texas. He was the Vice President of Corporate Development for Basic Energy Services, Inc. from 2007 to 2008, which acquired Sledge Drilling Corp., a company Mr. Armour co-founded and served as Chief Executive Officer for from 2005 to 2006. From 1998 through 2005, he served as Executive Vice President of Patterson-UTI Energy, Inc., which acquired Lone Star Mud, Inc., a company Mr. Armour founded and served as President for from 1986 to 1997. He also served on the Patterson — UTI Board of Directors from 1999 through 2001. Mr. Armour received a B.S. in Economics from the University of Houston in 1977 and was appointed to the University of Houston System Board of Regents in 2011 by former Texas Governor, Rick Perry.

Steven Beal

Director

Steve Beal became a member of our board of directors in April 2017. Mr. Beal currently serves on the board of directors of Concho Resources Inc. ("Concho") and First Financial Bankshares, Inc. Mr. Beal also served as a consultant to Concho from 2009 to 2013, and, prior to that, he served as the president and chief operating officer of Concho from its formation in 2004 until his retirement in 2009. Previously, Mr. Beal was a director and the executive vice president and chief financial officer of Concho Oil & Gas Corp. from its formation until becoming its president and chief operating officer in 2002, a position he held until 2004. Prior to Concho Oil & Gas Corp., Mr. Beal was a director and the vice president and chief financial officer of Concho Resources Inc., a predecessor company to Concho, from its formation in 1997 until its sale in 2001. From 1988 to 1997, Mr. Beal was employed by Parker & Parsley Petroleum company in a variety of capacities, including serving as senior vice president and chief financial officer. From 1981 to 1988, Mr. Beal was employed by the accounting firm currently known as PricewaterhouseCoopers. Mr. Beal is a graduate of the University of Texas with a Bachelor of Business Administration in accounting.

Schuyler E. Coppedge

Director

Schuyler E. Coppedge has served as a member of our board of directors since March 2013. Mr. Coppedge is a Partner at Energy Capital Partners where he has worked since 2005. Mr. Coppedge has over 20 years of experience in energy industry finance and investment activities, with a particular emphasis on oil field services, midstream oil and gas and renewable power generation. Prior to joining Energy Capital in 2005, Mr. Coppedge spent over six years at JP Morgan. In addition to ProPetro, Mr. Coppedge currently serves on the boards of STEAG-SCR Tech, Terra-Gen, LLC and USD Partners LP and as an observer to NCSG Crane & Heavy Haul Corporation. Mr. Coppedge also served on the board of FirstLight Power Enterprises, Inc. Mr. Coppedge received a B.A. from Middlebury College and an M.B.A. from the Wharton School at the University of Pennsylvania.

Alan E. Douglas

Director

Alan E. Douglas became a member of our board of directors in March 2017. Mr. Douglas is a shareholder of Johnson, Miller & Co. where he has worked for 25 years. Mr. Douglas is a Certified Public Accountant with over 37 years of experience in accounting and audit activities. Prior to joining Johnson, Miller & Co., Mr. Douglas was a Certified Public Accountant at KPMG for twelve years. Mr. Douglas received a B.B.A. in accounting from Texas Tech University.

Stephen Herman

Director

Stephen Herman has served as a member of our board of directors since March 2013. Mr. Herman has served as a Managing Director at Energy Capital Partners since 2005. Mr. Herman has over 43 years of energy industry experience, with a particular emphasis on renewable and fossil generation and environmental and oil field services. Prior to joining Energy Capital Partners in 2005, Mr. Herman was Senior Energy Counsel for Goldman Sachs. Mr. Herman was also the Senior Vice President and General Counsel of PG&E National Energy Group and its predecessor, U.S. Generating Company. Mr. Herman was also previously a Partner at Latham & Watkins and Kirkland & Ellis. Mr. Herman currently serves on the boards of ADA Carbon Solutions LLC, STEAG-SCR Tech, EnergySolutions, Inc. and Granite Holdings, Inc. (the parent company of Wheelabrator Technologies, Inc.). Mr. Herman has also served on the boards of FirstLight Resources Inc., NextLight Renewable Power, LLC, PLH Group, Inc., Power Holdings of Illinois, LLC and Ice Energy, Inc. Mr. Herman received a B.S. in Economics from the Wharton School of Finance and Commerce at the University of Pennsylvania and an LL.B. from the University of Virginia Law School.

Matthew H. Himler

Director

Matthew H. Himler has served as a member of our board of directors since October 2016 and was appointed to the board in connection with his affiliation with Energy Capital Partners. Mr. Himler is a Vice President at Energy Capital Partners, where he has worked since 2013. Mr. Himler has over seven years of experience in energy industry investment and finance activities. In addition to ProPetro, Mr. Himler serves on the board of NESCO Holdings LP and is an observer to NCSG Crane and Heavy Haul Corporation. Prior to joining Energy Capital Partners in 2012, Mr. Himler was an analyst at Lazard Frères & Co. Mr. Himler received a B.A. in Economics and Political Science from Amherst College.

Peter L. Labbat

Director

Peter L. Labbat has served as a member of our board of directors since March 2013 and was appointed to the board in connection with his affiliation with Energy Capital Partners. Mr. Labbat has served as a Partner of Energy Capital Partners since 2006. Mr. Labbat has over 27 years of financial and investment experience and specializes in the energy and power sectors. Prior to joining Energy Capital Partners in 2006, Mr. Labbat was a Managing Director at Goldman, Sachs & Co. He currently serves on the boards of ADA Carbon Solutions, LLC, Chieftain Sand and Proppant, LLC, Next Wave Energy Partners, LP, Sendero Midstream Partners, LP and Summit Midstream Partners, LP. Mr. Labbat has also served on the boards of NextLight Renewable Power, LLC, Odessa Power Holdings, LLC, Ice Energy, Inc. and Red Oak Power Holdings, LLC. Mr. Labbat received a B.A. in Economics from Georgetown University and an M.B.A. from the Wharton School at the University of Pennsylvania.

Christopher M. Leininger

Director

Christopher M. Leininger became a member of our board of directors in March 2017 and was appointed to the board in connection with his affiliation with Energy Capital Partners. Mr. Leininger is Managing Director and Deputy General Counsel at Energy Capital Partners where he has worked since 2006. Mr. Leininger has over 17 years of experience in legal and finance activities in the energy industry. Mr. Leininger currently serves on the boards of Wheelabrator Technologies, Inc., NESCO Holdings, LP, EnergySolutions, Inc. and PLH Group, Inc. Prior to joining Energy Capital Partners, Mr. Leininger was an associate at Latham & Watkins LLP for 7 years. Mr. Leininger received a B.A. in History and Political Science from the University of San Diego and a J.D. from the University of Virginia School of Law.

Jack B. Moore

Director

Jack B. Moore became a member of our board of directors in March 2017. Mr. Moore served as Chairman of the Board of Cameron International Corporation from 2011 until it was acquired in April 2016. Mr. Moore worked at Cameron International Corporation from 1999 until 2014, serving as Chief Executive Officer from 2008 to 2015 and as President from 2008 to 2014. Prior to that, he held various management positions at Baker Hughes Incorporated, where he was employed for 23 years. Mr. Moore currently serves on the board of directors of Occidental Petroleum Corporation, Rowan Companies plc and KBR Inc. Mr. Moore also previously served on the board of directors of the American Petroleum Institute, the National Ocean Industries Association, and the Petroleum Equipment Suppliers Association. Mr. Moore received a B.B.A. from the University of Houston and is a graduate of the Advanced Management Program at Harvard Business School.