ChampionX Corporation announced it has appointed Elaine Pickle and Carlos Fierro to the Company's Board of Directors. Additionally, Stephen K. Wagner, a member of the Board since 2018, has decided to retire pursuant to the Company's Corporate Governance Guidelines and not stand for re-election to the Board of Directors at the 2023 Annual Meeting of Shareholders. Ms. Pickle and Mr. Fierro will both serve on the Audit Committee of the Board.

Their appointments expand the Company's Board to 10 members until the Annual Meeting. Nine of the Board's members are independent. Elaine Pickle brings over three decades of audit experience in public accounting with an emphasis on the energy industry, including upstream, midstream and energy service companies.

Ms. Pickle was a senior audit partner at Ernst & Young LLP until her retirement in 2021. Ms. Pickle's extensive financial experience and broad understanding and perspective of the energy industry provides valuable expertise and insights to the Board. She started with EY in 1986 and served as a National Professional Practice Partner from 2014 to 2018.

She is a certified public accountant and member of the American Institute of Certified Public Accountants. Ms. Pickle has served on the Board of Directors of DT Midstream Inc. since 2021 where she is the Chair of the Audit Committee and is a member of the Finance Committee and the Corporate Governance Committee. She has served on the board and development committee of Theatre Under the Stars since 2018.

She earned her Bachelor of Business Administration in accounting, summa cum laude, from Texas Tech University in 1986. Ms. Pickle is NACD Directorship Certified® and completed the Northwestern University Kellogg School of Management Executive Leadership Program and EY Inclusiveness Leadership Program. Carlos Fierro is an experienced investment banker and former attorney with more than 35 years of experience in the natural resources sector, including exploration and production, midstream, refining and marketing, oilfield services, chemicals, and mining.

Mr. Fierro is currently a Senior Advisor to Guggenheim Securities, a division of Guggenheim Partners, with a focus on the energy sector, a position he has held since 2016. Mr. Fierro's extensive experience in the energy industry brings a unique and valuable perspective to the Board through his involvement in numerous merger, acquisition, divestiture, restructuring, and joint venture transactions. He spent five years as a Managing Director and Global Head of the Natural Resources Group of Barclays, which encompasses Barclays' oil and gas, chemicals and metals and mining businesses.

He also spent 11 years at Lehman Brothers, where his last role was as the Global Head of the Natural Resources Group. Before joining Lehman Brothers, Mr. Fierro was a transactional lawyer with Baker Botts L.L.P., where he practiced corporate, M&A and securities law. He previously served on the Board of Directors of Shell Midstream Partners, L.P. and Athabasca Oil Corporation, and currently serves on the advisory board for Greenbelt Capital Partners.

Mr. Fierro holds a B.A. from the University of Notre Dame and a J.D. from Harvard University.