Type	Name	Date
Credit agreement	Fourth Amended and Restated Credit Agreement, by and among USS Holdings, Inc., as guarantor, U.S. Silica Company, as borrower, certain of U.S. Silica Company’s subsidiaries as additional guarantors, the lenders named therein and BNP Paribas, as administrative agent for the lenders	03/23/2023
Credit agreement	Third Amended and Restated Credit Agreement, by and among U.S. Silica Holdings, Inc., through its subsidiaries, USS Holdings, Inc., as guarantor, and U.S. Silica Company, as borrower, and certain of U.S. Silica's subsidiaries as additional guarantors and BNP Paribas, as administrative agent and the lenders named therein	05/02/2018
Underwriting agreement	Underwriting Agreement	12/11/2013
Underwriting agreement	Underwriting Agreement	11/14/2013
Credit agreement	Amendment No. 3 to Second Amended and Restated Credit Agreement	07/29/2013
Underwriting agreement	Underwriting Agreement	06/11/2013
Underwriting agreement	Underwriting Agreement	03/19/2013

Type	Name	Date
Employment agreement	Amendment to Employment Agreement by and between U.S. Silica Holdings, Inc. and Bryan Shinn	02/23/2016
Employment agreement	Employment Agreement, by and between the Company and Bryan A. Shinn	03/22/2012