| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 02/06/2023 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 7.7k | $11.83 | $90.7k | | 02/06/2023 |
| 02/28/2022 | U.S. SILICA HOLDINGS, INC. | SLCA | Sale | Common Stock | 5.7k | $14.05 | $80.7k | | 02/28/2022 |
| 02/14/2022 | U.S. SILICA HOLDINGS, INC. | SLCA | Sale | Common Stock | 22.6k | $10.02 | $226.2k | | 02/14/2022 |
| 02/12/2022 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 8.4k | $10.13 | $84.8k | | 02/10/2022 |
| 02/12/2022 | U.S. SILICA HOLDINGS, INC. | SLCA | Grant | Common Stock | 17.6k | $0.00 | $0 | | 02/10/2022 |
| 02/10/2022 | U.S. SILICA HOLDINGS, INC. | SLCA | Grant | Common Stock | 26.7k | $0.00 | $0 | | 02/10/2022 |
| 02/07/2022 | U.S. SILICA HOLDINGS, INC. | SLCA | Sale | Common Stock | 9k | $9.36 | $84k | | 02/07/2022 |
| 12/20/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Grant | Common Stock | 10.3k | $0.00 | $0 | | 12/20/2021 |
| 12/20/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Grant | Common Stock | 8k | $0.00 | $0 | | 12/20/2021 |
| 12/20/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 22.4k | $9.13 | $204.3k | | 12/20/2021 |
| 08/09/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Sale | Common Stock | 31.4k | $9.33 | $293k | | 08/09/2021 |
| 04/01/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 7.7k | $13.02 | $100.2k | | 04/01/2021 |
| 04/01/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Grant | Common Stock | 17.4k | $0.00 | $0 | | 04/01/2021 |
| 04/01/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 970 | $13.02 | $12.6k | | 04/01/2021 |
| 02/12/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Grant | Common Stock | 30.7k | $0.00 | $0 | | 02/12/2021 |
| 02/12/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 2.6k | $9.78 | $25.1k | | 02/12/2021 |
| 02/06/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 7.8k | $9.04 | $70.3k | | 02/06/2021 |
| 12/10/2020 | U.S. SILICA HOLDINGS, INC. | SLCA | Sale | Common Stock | 3k | $6.73 | $20.2k | | 12/10/2020 |
| 04/01/2020 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 704 | $1.55 | $1.1k | | 04/01/2020 |
| 02/06/2020 | U.S. SILICA HOLDINGS, INC. | SLCA | Grant | Common Stock | 48.4k | $0.00 | $0 | | 02/06/2020 |