John T. Boyd Company Mining and Geological Consultants

Chairman James W. Boyd President and CEO John T. Boyd II Managing Director and COO Ronald L. Lewis Vice Presidents Robert J. Farmer John L. Weiss Michael F. Wick William P. Wolf Managing Director - Australia Jacques G. Steenkamp Managing Director - China Rongjie (Jeff) Li Managing Director – South America Carlos F. Barrera Pittsburgh 4000 Town Center Boulevard, Suite 300 Canonsburg, PA 15317 (724) 873-4400 (724) 873-4401 Fax jtboydp@jtboyd.com Denver (303) 293-8988 jtboydd@jtboyd.com Brisbane 61 7 3232-5000 jtboydau@jtboyd.com Beijing 86 10 6500-5854 jtboydcn@jtboyd.com Bogota +57-3115382113 jtboydcol@jtboyd.com www.jtboyd.com February 27, 2024 File: 3076.021 Subject:    CONSENT OF THIRD-PARTY         QUALIFIED PERSON Ladies and Gentlemen: The John T. Boyd Company (“BOYD”) in connection with the filing of the U.S. Silica Holdings, Inc. Annual Report on Form 10-K for the fiscal year ended December 31, 2023 and any amendments or supplements and/or exhibits thereto (collectively, the “Form 10-K”), consent to: •the use of and references to the technical report summary titled “Technical Report Summary, Silica Sand Resources and Reserves, Ottawa Operation, LaSalle County, Illinois” (the “Ottawa Technical Report”), with an effective date of December 31, 2022, as an exhibit to and referenced in the Form 10-K; •the use of and references to the technical report summary titled “Technical Report Summary, Proppant Sand Resources and Reserves, Lamesa Operation, Dawson County, Texas” (the “Lamesa Technical Report”), with an effective date of December 31, 2022, as an exhibit to and referenced in the Form 10-K; •the use of and references to the technical report summary titled “Technical Report Summary, Proppant Sand Resources and Reserves, Crane Operation, Crane County, Texas” (the “Crane Technical Report”), with an effective date of December 31, 2022, as an exhibit to and referenced in the Form 10-K; •the use of and references to the technical report summary titled “Technical Report Summary, Diatomaceous Earth Resources and Reserves, Colado Operation, Pershing County, Nevada” (the “Colado Technical Report” and together with the Ottawa Technical Report, Lamesa Technical Report, and Crane Technical Report, the “Technical Reports”), with an effective date of December 31, 2022, as an exhibit to and referenced in the Form 10 K;

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•the use of and references to our name, including our status as an expert or “qualified person” (as defined in Subpart 1300 of Regulation S-K promulgated by the Securities and Exchange Commission), in connection with the Form 10-K and any such Technical Report; and

•the information derived, summarized, quoted or referenced from any of the Technical Reports, or portions thereof, that was prepared by BOYD, that BOYD supervised the preparation of and/or that was reviewed and approved by BOYD, that is included or incorporated by reference in the Form 10-K.

BOYD is responsible for authoring, and this consent pertains to, the Technical Reports. BOYD certifies that it has read the Form 10-K and that it fairly and accurately represents the information in the sections of the Technical Reports for which BOYD is responsible.

BOYD also consents to the incorporation by reference in U.S. Silica Holdings, Inc.’s registration statements on Form S-8 (Nos. 333-272084, 333-265119, 333-256389, 333-238198, 333‑204062, 333-179480) and Form S-3ASR (No.333-258323) of the above items as included in the Form 10-K.

Respectfully submitted,

JOHN T. BOYD COMPANY

By: /s/ John T. Boyd

John T. Boyd II

President and CEO

JOHN T. BOYD COMPANY