ProPetro控股 PUMP

Samuel D. Sledge has served as our Chief Executive Officer and as a member of our Board since August 31, 2021. Mr. Sledge previously served as the Company's President from April 2021 to August 2021, and prior to that, he served as Chief Strategy and Administrative Officer beginning in March 2020. Mr. Sledge has significant experience with ProPetro having joined the Company in 2011. Mr. Sledge has served in various capacities throughout his tenure such as a Frac Technical Specialist and Technical Operations Manager where his duties included quality control, planning and logistics, and the development of the engineering program. Mr. Sledge has also served as ProPetro's Vice President of Finance, Corporate Development, and Investor Relations where his responsibilities included financial planning and analysis, strategic initiatives, and investor relations. Mr. Sledge also serves on the Board of the Energy Workforce and Technology Council (EWTC), an industry association for energy service companies and currently serves as the Chair of the EWTC Board. Mr. Sledge received a Bachelor of Business Administration and a Master of Business Administration from Baylor University.

Mr. Adam Munoz has served as our President and Chief Operating Officer since August 2021, and prior to that, he served as Chief Operating Officer since January 2021 and served as Senior Vice President of Operations since March 2020. Mr. Munoz joined the Company in 2010 to initiate ProPetro's Permian pressure pumping operation. Prior to joining ProPetro, Mr. Munoz held sales and operations roles at Frac Tech Services and Weatherford International. Since joining ProPetro, Mr. Munoz has served as the Director of Business Development and Technical Services where he was responsible for overseeing the growth of the hydraulic fracturing operations as well as managing the department's day-to-day technical services. Mr. Munoz has most recently served as the Vice President of Frac Services where his duties included leading the hydraulic fracturing division through specific efforts to increase operational efficiencies and maximize financial productivity. Mr. Munoz received a Bachelor of Business Marketing from The University of Texas at the Permian Basin.

Shelby Fietz has served as our Chief Commercial Officer since November 2023. Mr. Fietz joined ProPetro in 2012, and prior to his appointment as Chief Commercial Officer, Mr. Fietz served as the Company's Vice President of Commercial, leading the business development, sales, supply chain, and marketing functions. He also previously held the position of Vice President of Business Development, Sales and Marketing, while also leading our supply chain organization. Prior to his appointment as an officer, Mr. Fietz held roles of increasing responsibility within ProPetro in both operations and business development. Mr. Fietz also serves in a leadership capacity with the Permian Basin Chapter of the Energy Workforce and Technology Council. Mr. Fietz holds a Bachelor of Science from Angelo State University.

Jody Mitchell has served as our General Counsel and Corporate Secretary since January 2023. Prior to his appointment as General Counsel, Mr. Mitchell served as the Company's Vice President and Deputy General Counsel since April 2021. Before joining the Company, Mr. Mitchell served in various roles at Concho Resources Inc., a hydrocarbon exploration company acquired by ConocoPhillips in 2021 (Concho), from 2014 to 2021, including Director of Marketing and Midstream and, prior to that, Associate General Counsel. Before joining Concho, Mr. Mitchell served as counsel supporting the upstream and midstream businesses at Petrohawk Energy Corporation (Petrohawk) and at BHP Billiton following BHP Billiton's acquisition of Petrohawk. Mr. Mitchell began his career as an associate at Locke Lord Bissell & Liddell LLP, where he concentrated on oil, gas and energy litigation and construction litigation. Mr. Mitchell holds a Bachelor of Arts from the University of Texas and a Juris Doctor from the University of Houston Law Center.

Caleb Weatherl has served as our Chief Financial Officer since July 2025. Mr. Weatherl has over a decade of experience in senior level positions in private companies. Prior to joining ProPetro, Mr. Weatherl served as the Chief Executive Officer and as a Board Member of Garrison Energy, a Midland, Texas-based oil and gas exploration and production company, from May 2023 until September 2024. Prior to that, he served as the President and Chief Financial Officer of Stronghold Energy II Holdings, a Midland, Texas-based oil and gas exploration and production company, from December 2017 to October 2022, and as a Board Member from October 2021 to October 2022. His work history also includes serving as Chief Financial Officer for Desert Royalty Company from June 2016 to December 2017, Vice President, Co-Founder and Board Member of Stronghold Energy Partners from May 2014 to June 2016 and Vice President of Weatherl Energy Investments from August 2013 to June 2016. Earlier in his career, Mr. Weatherl held positions at Bain Capital and McKinsey & Company. Mr. Weatherl holds a Bachelor of Arts degree in Economics from Harvard College and a Master of Business Administration degree from Harvard Business School. Caleb Weatherl will be appointed as Interim Principal Accounting Officer with effect from 30th October 2026.

Celina Davila has served as our Chief Accounting Officer since November 2023. Prior to her appointment as Chief Accounting Officer, Ms. Davila served as the Company's Director of Accounting and Corporate Controller since August 2022 and as Corporate Controller since October 2019. Ms. Davila joined the Company in January 2019 as Hydraulic Fracturing Controller. Prior to joining the Company, Ms. Davila served in various roles at Pioneer, a leading independent natural resources company acquired by ExxonMobil, from 2012 to 2018, including Accounting Manager and, prior to that, Accounting Supervisor. Ms. Davila also served as Controller for Natural Gas Services Group and Accounting Manager at Total Electrical Service and Supply Co. Ms. Davila began her career as a Senior Auditor at Johnson, Miller, and Co., CPAs (acquired by Whitley Penn). Ms. Davila is a Certified Public Accountant and holds a Bachelor of Business Administration in Accounting and a Master of Business Administration, both from Texas Tech University. On September 16, 2026, Celina Davila notified ProPetro Holding Corp. (the Company) of her intention to resign from her position as Chief Accounting Officer and principal accounting officer of the Company, effective October 30, 2026.

Phillip A. Gobe began serving as our Chairman of the Board in July of 2019 and as Executive Chairman in October 2019. Mr. Gobe was appointed as our Chief Executive Officer on March 13, 2020 and served in that role until August 31, 2021, at which point he was re-appointed as Executive Chairman. Mr. Gobe stepped down as Executive Chairman on March 31, 2022, and continues serving the Company as Chairman of the Board. Mr. Gobe served as a director of Pioneer from July 2014 until Pioneer's merger with ExxonMobil in May 2024. Mr. Gobe previously served as Chairman of the Board for Pantheon Resources PLC until his June 2023 retirement. He also previously served as a director of Scientific Drilling International and Pioneer Southwest Energy Partners L.P. Mr. Gobe joined Energy Partners, Ltd. as Chief Operating Officer in December 2004 and became President in May 2005, and served in those capacities until his retirement in September 2007. Mr. Gobe also served as a director of Energy Partners, Ltd. from November 2005 until May 2008. Prior to that, Mr. Gobe served as Chief Operating Officer of Nuevo Energy Company from February 2001 until its acquisition by Plains Exploration & Production Company in May 2004. Prior to that time, he held numerous operations and human resources positions with Vastar Resources, Inc. and Atlantic Richfield Company (ARCO) and its subsidiaries. Mr. Gobe has a Bachelor of Arts degree from The University of Texas and a Master of Business Administration degree from the University of Louisiana in Lafayette.

Anthony J. Best has served as a member of our Board since January 2018 and served as Lead Independent Director from October 2019 through August 2025. Mr. Best has over 40 years of experience in the energy industry. Mr. Best retired as the Chairman of the board of Newpark Resources in May 2023. He was previously a director with Quantum Energy Partners' (Quantum) portfolio companies, ExL Petroleum and Middle Fork Energy Partners, and also served as Senior Advisor for Quantum. Prior to joining Quantum, Mr. Best served in various roles with SM Energy Company, an oil and gas exploration company, commencing in 2006 as its President and Chief Operating Officer, and as its Chief Executive Officer from February 2007 through January 2015. From 2003 to 2005, Mr. Best served as President and Chief Executive Officer of Pure Resources, Inc., a Unocal development and exploration company. From 2000 to 2003, Mr. Best served as an independent consultant offering leadership and oil and gas consultation to energy companies and volunteer organizations, and from 1979 through 2000, Mr. Best served in various roles of increasing responsibility at ARCO, culminating in the position of President, ARCO Latin America. Mr. Best holds a Master of Science in Engineering Management degree from the University of Alaska and a Bachelor of Science degree in Mechanical Engineering from Texas A&M University. Prior to beginning his business career, Mr. Best served five years as an engineering officer in the United States Air Force.

Ms. Michele Vion Choka has served as a member of our Board since February 2020. Ms. Vion previously served as Vice President, Human Resources at HighPoint Resources Corporation, a successor to the Bill Barrett Corporation, an oil and gas E&P company, from August 2010 to September 2019. Ms. Vion was previously employed at Level 3 Communications, Inc., an international communications company, starting in 2006 and ultimately as Group Vice President of Human Resources up to January 2010. Ms. Vion also previously served as Vice President of Human Resources for Sun Microsystems, Inc., a computer networking company, for seven years. She also previously held senior human resource and client account management positions at Prudential Financial, Inc., an insurance and investment management company and JP Morgan, a global financial services firm. Prior to joining JP Morgan, Ms. Vion served in an accounting position as a Regional Controller for the Eastern Region at Sony Corporation of America. Ms. Vion previously served as Compensation Committee Chair and as a member of the Audit Committee of Boingo Wireless, Inc.'s Board of Directors, roles she held from 2018 until Boingo's acquisition by Digital Colony Management, LLC in June 2021. Ms. Vion also served on the board and as Chair of the Compensation Committee and as member of the Audit Committee and Nominating and Corporate Governance Committee of Callidus Software Inc., a publicly-traded, cloud-based software company, from 2005 to 2016. Currently, Ms. Vion serves as the Chief Human Resources Officer for Stored Energy Systems, a privately held company. Ms. Vion holds a Bachelor of Arts in East Asian Studies and Economics from Wesleyan University, has attended Stanford University's Director's College, and participated in the Financial Times' Director Exchange.

G. Larry Lawrence was appointed to our Board in December 2020. Mr. Lawrence previously served as Audit Committee Chair of Legacy Reserves, LP's Board of Directors, a role he held from 2006 to 2019. From January 2021 until June 2021, Mr. Lawrence served as the interim Chief Financial Officer of Natural Gas Services Group, a natural gas compression equipment provider, where he previously served as Chief Financial Officer for nine years. Prior to Natural Gas Services Group, Mr. Lawrence served as Chief Financial Officer for Lynx Operating Co. Inc., an oil and gas exploration company, for three years and as Chief Financial Officer for Pure Resources, Inc., an oil and gas E&P company, for two years. He has also held finance and management consulting positions for Parson Group, ARCO and Crescent Consulting. Mr. Lawrence earned his bachelor's degree with an accounting major from Dillard University in New Orleans.

Mary P. Ricciardello has served as a member of our Board since January 2023. Ms. Ricciardello currently serves as a director, Audit Committee member and Corporate Governance, Nominating and Sustainability Committee member at Eagle Materials Inc. Ms. Ricciardello previously served as a director at Devon Energy from 2008 to 2021, Noble Corporation from 2003 to 2020, EnLink Midstream from 2014 to 2018, Midstates Petroleum from 2010 to 2013 and U.S. Concrete from 2003 to 2010. Beginning in 1982, Ms. Ricciardello enjoyed a distinguished, two-decade career at Reliant Energy Inc. (Reliant) and its predecessor, Houston Lighting & Power Company, an electricity generation and retail services company, where she held several roles of increasing responsibility in the financial services and treasury functions. In 1996, Ms. Ricciardello was appointed as Reliant's Vice President and Comptroller and she served as its Senior Vice President and Chief Accounting Officer from 1999 until her retirement in 2002. Ms. Ricciardello earned a Bachelor of Science degree in Business Administration from the University of South Dakota and an MBA from the University of Houston. She is also a Texas licensed Certified Public Accountant and earned a CERT Certificate in Cybersecurity from Carnegie Mellon University.