Biography

Jimmi Sue Smith was appointed to the Board in July 2023. Ms. Smith has served as Chief Financial Officer of Koppers Holdings Inc. (NYSE: KOP), a leading integrated global provider of treated wood products, wood preservation chemicals and carbon compounds, since January 2022.  Ms. Smith joined Koppers in 2020, serving as Vice President of Finance and Treasurer until her promotion to Chief Financial Officer. Prior to her role at Koppers, Ms. Smith served as Senior Vice President and Chief Financial Officer of EQT Corporation (NYSE: EQT), a natural gas producer, from November 2018 to August 2019, and at various other roles of increasing responsibility at EQT from 2007 to November 2018. Ms. Smith is a Trustee of the Pittsburgh Cultural Trust where she serves on the Audit and Development Committees and co-chairs the Circles Board. She also serves on the board of the Children's Museum of Pittsburgh and is a former co-chair of the Pittsburgh Parks Conservancy's Hat Luncheon.

Ms. Smith received a B.S.B.A. from West Virginia University and a juris doctorate from Duquesne University School of Law. Ms. Smith brings a wealth of public company financial and operating expertise to U.S. Silica’s Board that strengthen the Board’s collective qualifications, skills and experience.