ProFrac Holding ACDC

Austin Harbour has served as our Chief Financial Officer since June 2024. Prior to joining ProFrac, Mr. Harbour was a Managing Director at Piper Sandler Companies from May 2021 to June 2024, where he specialized in the energy services and equipment sector. Prior to Piper Sandler Companies, Mr. Harbour served as the Chief Financial Officer of the North American Business of Superior Energy Services, an oil services company, from March 2020 to May 2021.

On August 4, 2026, the Board appointed Matthew D. Wilks, who has served as Executive Chairman of the Company, to serve additionally as Chief Executive Officer of the Company, effective as of August 7, 2026. Mr. Matthew D. Wilks has served as Executive Chairman of the Board since May 2022 and as President of ProFrac Services, LLC since October 2018. He previously served as Chief Financial Officer of ProFrac Services, LLC from March 2018 to November 2021 and as interim Chief Financial Officer from January 2022 to March 2022, and has served as Vice President of Investments for THRC Holdings, LP since January 2012. Mr. Matthew D. Wilks serves on the board of directors of Flotek Industries, Inc. and as Executive Chairman of the board of directors of Dawson Geophysical Company. Earlier in his career, Mr. Matthew D. Wilks served as a member of the board of directors of Approach Resources, Inc., an E&P company focused on the exploration, development and production of unconventional oil and gas resources in the United States, and as Vice President of Logistics for FTS International, Inc.

Mr. Johnathan L. Wilks was appointed to serve as a member of the Company's Board of Directors effective as of August 7, 2026. Mr. Johnathan L. Wilks served as the Company's Chief Executive Officer from May 2022 until his resignation described above. He cofounded ProFrac Services, LLC in May 2016 and served as its Chief Executive Officer since inception. He has served as President of 301 Ventures LLC and Managing Member of 302 Ventures LLC since 2017, and as Manager of Reval Insurance Group LLC since 2021. Mr. Johnathan L. Wilks currently sits on the board of directors of each of Cisco Safe, the Cisco Recreation Foundation and the Thirteen Foundation. He also owns a controlling interest in two private E&P companies. Earlier in his career, he served as Vice President of Logistics of FTS International, Inc. On August 3, 2026, Johnathan Ladd Wilks notified the Company that he would resign as Chief Executive Officer of the Company, and from each other position as an officer, manager or employee that he held with the Company and its direct and indirect subsidiaries, in each case effective as of August 7, 2026.

Theresa Glebocki has served on our Board since May 2022 and currently serves as Chairwoman of the Audit Committee and as a member of the Compensation Committee. Ms. Glebocki has also served as President and General Manager of Delaware Park Racing Association since March 2023. Prior to that, Ms. Glebocki served as Chief Executive Officer from December 2019 to October 2021, as well as Chief Financial Officer from February 2019 to December 2019, of Ocean Casino. Ms. Glebocki also previously served as Executive Vice President, Chief Financial Officer, and Treasurer of Tropicana Entertainment Inc. from April 2015 to October 2018. Prior to that, Ms. Glebocki served as Vice President of Finance and Chief Financial Officer of Revel Entertainment Group LLC from June 2007 to April 2015. Ms. Glebocki holds a B.S. from Lehigh University.

Stacy Nieuwoudt has served on our Board since May 2022 and currently serves as Chairwoman of the Compensation Committee and as a member of the Audit Committee. Ms. Nieuwoudt has been a private investor since 2019. From 2017 to 2019, Ms. Nieuwoudt served as a Senior Energy and Industrials Analyst at Aptigon Capital, a Citadel Company and fundamental equities investing business. Prior to that, Ms. Nieuwoudt served as an Energy Equities Analyst at Surveyor Capital, a Citadel Company and investing firm, from September 2010 to November 2017. Prior to that, Ms. Nieuwoudt served as Vice President at Crosslink Capital Management LLC, a venture capital firm, from 2008 to 2010; as Energy Equities Research Vice President at Tudor, Pickering, Holt & Co. Securities, LLC, a financial services firm, from 2005 to 2008; as a Private Equity Energy Analyst at EnCap Investments L.P., a private equity firm specializing in the energy industry, from 2004 to 2005; and as an Energy Research Analyst at Simmons & Company International Limited, an investment bank specializing in the energy sector, from 2002 to 2004. Previously, Ms. Nieuwoudt served on the board of directors of enCore Energy Corp. (NASDAQ: EU), a uranium producer and clean energy company, from October 2024 to August 2025, and Independence Contract Drilling (NYSE: ICD), an energy drilling services company, from January 2021 to August 2024, where she also served as Chair of the Audit and Nominating and Corporate Governance Committees and as a member of the Compensation Committee. Ms. Nieuwoudt holds a B.A. from Rice University.

Gerald Haddock has served on our Board since May 2022 and currently serves as a member of each of the Audit Committee and Compensation Committee. Mr. Haddock founded Haddock Enterprises, LLC in 2000 and has served as its President since such time. Mr. Haddock was appointed to serve as a director of Silver Star Properties REIT Inc. in June 2020, and has served as its Executive Chairman since 2023 and its Chief Executive Officer since 2024. Since January 2005, Mr. Haddock has served as a director of Meritage Homes Corporation, a real estate development company, and has also served as Chairman of its Nominating and Corporate Governance Committee since January 2006 and as a member of its Audit Committee from January 2009 to December 2018. In the last five years, he has served as a Founder and Director of Union Acquisition Corp. I., which recently completed a business combination with Bioceres Crop Solutions Corp., and as a Founder and Director of Union Acquisition Corp. II, which recently completed a business combination with Procaps Group, S.A. From 1986 to 2020, Mr. Haddock served as director of Valaris, Plc. (formerly ESCO International, Plc.), a leading global offshore oil and gas drilling service company, where he led much of its mergers and acquisitions and oversaw strategic development, as well as served as its co-lead Director and Chairperson of the Audit Committee and was also a member of the Nominating and Governance Committee. Additionally, from December 2004 to October 2008, Mr. Haddock served as a Board Member of Cano Petroleum, Inc. Formerly, Mr. Haddock co-founded Crescent Real Estate Equities Company and served as its President and Chief Operating Officer from 1994 to 1999, and as its Chief Executive Officer from 1996 to 1999. Mr. Haddock serves on the board of the CEELI Institute and has previously served on the board of trustees for Baylor College of Medicine in Houston and as a member of various other committees for Baylor University and at Baylor College of Medicine. Those committees included the Executive Investment Committee at both Baylor University and Baylor College of Medicine. Mr. Haddock has also previously served on the board of the M.D. Anderson Proton Therapy Education and Research Foundation. Mr. Haddock led the acquisition team to purchase the Texas Rangers, in which he was a minority owner along with George W. Bush from 1989 to 1998 and served as its General Counsel. Mr. Haddock holds a B.B.A and J.D. from Baylor University. He also holds an L.L.M in Taxation from New York University School of Law and an M.B.A. from Dallas Baptist University.

Steven Scrogham has served as our Chief Legal Officer and Chief Compliance Officer since February 2024 and as our Corporate Secretary since September 2023. Previously, Mr. Scrogham served as Assistant General Counsel from July 2023 to February 2024. Mr. Scrogham is responsible for driving the Company's legal strategy, including with respect to our transactional, litigation, governance and compliance priorities. Prior to joining the Company, Mr. Scrogham spent approximately 15 years in corporate legal roles at AbbVie Inc. and Abbott Laboratories, where he advised on securities, finance and transactional matters. Mr. Scrogham received his J.D. from the University of Minnesota and his undergraduate degree in International Politics from Brigham Young University.

Matthew Greenwood has served as our Chief Commercial Officer since March 2022. Previously, Mr. Greenwood served as Senior Vice President of Sales from September 2020 to March 2022, and before that, as Director of Sales from March 2019 to September 2020. Mr. Greenwood directs ProFrac's sales, marketing and commercial operations, and serves on the ProFrac ESG board. Mr. Greenwood brings 17 years of experience in oilfield services, beginning in 2004 with a Barnett Shale completions-based services platform specializing in water management, power generation, flowback, and completions chemicals. Mr. Greenwood was instrumental in the expansion of operations across the Barnett, Haynesville, Eagle Ford, and Marcellus shale basins.

Matthew Rinaldi has served on our Board since December 2025. Mr. Rinaldi is a licensed attorney whose practice has focused on in-house corporate, real estate, and regulatory matters, as well as representing businesses in a broad range of complex commercial litigation and appellate matters, including securities class action lawsuits, director and officer liability, real estate, antitrust, insurance and intellectual property litigation. Mr. Rinaldi is the General Counsel of FARJO Holdings, LP, a Wilks Party, a position he has held since June 2023. He has served as a member of the Board of Directors of Braemar Hotels & Resorts since November 2013, where he currently serves as chair of the Compensation Committee and as a member of its Related Party Transactions Committee. Mr. Rinaldi also serves as a member of the Board of Managers of Bentkey Ventures, LLC, where he currently serves as chair of the Audit Committee and as a member of the Conflicts Committee. Previously, Mr. Rinaldi was General Counsel of Quantas Healthcare Management, LLC and its affiliated medical facilities from June 2017 to June 2023. Mr. Rinaldi also served as an elected representative of Texas House District 115 in the Texas House from 2014 to 2019. Mr. Rinaldi served as Senior Counsel with the law firm of Dykema Gossett, PLLC from 2014 through 2017 and served as counsel with the law firm of Miller, Egan, Molter & Nelson, LLP from 2009 to 2013. Prior to joining Miller, Egan, Molter & Nelson, LLP, Mr. Rinaldi was an associate attorney at the law firm of K&L Gates LLP from 2006 to 2009 and an associate attorney at the law firm of Gibson, Dunn and Crutcher, LLP from 2001 to 2006, where he defended corporate officers and accounting firms in securities class action lawsuits and assisted with SEC compliance issues. Mr. Rinaldi has extensive experience in corporate and real estate law, in federal, state and appellate courts, and has represented and counseled a broad spectrum of clients, including Fortune 500 companies, Big Four accounting firms, insurance companies, healthcare companies and real estate developers, as well as small businesses and individuals. Mr. Rinaldi holds a J.D., cum laude, from Boston University and a B.B.A.in Economics, cum laude, from James Madison University.

On September 25, 2024, the board of directors of ProFrac Holding Corp., appointed and designated Michael Henry as the Company's principal accounting officer. From June 7, 2022 to September 25, 2024, Mr. Henry, served as the senior vice president and chief accounting officer of ProFrac Holdings II, LLC, the Company's indirect wholly-owned subsidiary (ProFrac Holdings). From November 2020 to November 2021, Mr. Henry served as vice president and chief accounting officer of Basic Energy Services, Inc. Prior to that, Mr. Henry served as corporate controller of FTS International Services, LLC beginning in October 2015, and as the Director of Accounting Policy and External Reporting from February 2014 to October 2015. From February 2008 until February 2014, Mr. Henry served as Director of Financial Reporting for RadioShack Corporation. Mr. Henry holds a BBA in Accounting from Texas Christian University.