On December 15, 2023, U.S. Silica Holdings, Inc. announced that it had appointed Eugene Padgett to serve as the company's Vice President, Chief Accounting Officer and Controller, effective December 18, 2023. Mr. Padgett fills the office vacated by Kevin Hough, who was recently promoted to the position of the Company's interim Executive Vice President and Chief Financial Officer. Mr. Padgett, age 53, has served since 2022 as Senior Vice President and Chief Accounting Officer of Valmont Industries.

From 2018 to 2022, he served as Senior Vice President and Chief Accounting Officer of DXP Enterprises, a publicly-traded distributor of maintenance, repair and operating products and services to a variety of end markets and business-to-business customers. Mr. Padgett holds a Bachelor of Business Administration in Accounting from Prairie View A&M University. In this role, Mr. Padgett will report to Kevin Hough, the Company's interim Executive Vice President and Chief Financial Officer.