| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 08/11/2023 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 6.6k | $12.73 | $83.5k | | 08/11/2023 |
| 02/12/2023 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 4.4k | $11.97 | $53k | | 02/10/2023 |
| 02/10/2023 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 4k | $11.97 | $48.5k | | 02/10/2023 |
| 02/06/2023 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 5.8k | $11.83 | $69k | | 02/06/2023 |
| 09/06/2022 | U.S. SILICA HOLDINGS, INC. | SLCA | Sale | Common Stock | 31.3k | $12.81 | $400.5k | | 09/06/2022 |
| 09/06/2022 | U.S. SILICA HOLDINGS, INC. | SLCA | Sale | Common Stock | 966 | $13.64 | $13.2k | | 09/06/2022 |
| 08/18/2022 | U.S. SILICA HOLDINGS, INC. | SLCA | Sale | Common Stock | 15k | $15.55 | $232.8k | | 08/18/2022 |
| 08/12/2022 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 6.6k | $15.01 | $98.5k | | 08/12/2022 |
| 05/15/2022 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 411 | $16.61 | $6.8k | | 05/15/2022 |
| 02/10/2022 | U.S. SILICA HOLDINGS, INC. | SLCA | Grant | Common Stock | 30.9k | $0.00 | $0 | | 02/10/2022 |
| 12/20/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 9.7k | $9.13 | $88.7k | | 12/20/2021 |
| 05/17/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 255 | $11.59 | $3k | | 05/17/2021 |
| 02/12/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Grant | Common Stock | 33.8k | $0.00 | $0 | | 02/12/2021 |
| 02/06/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 3.9k | $9.04 | $35.5k | | 05/05/2020 |
| 08/12/2020 | U.S. SILICA HOLDINGS, INC. | SLCA | Grant | Common Stock | 50k | $0.00 | $0 | | 08/12/2020 |
| 05/15/2020 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 255 | $1.85 | $471.8 | | 05/05/2020 |
| 02/06/2020 | U.S. SILICA HOLDINGS, INC. | SLCA | Grant | Common Stock | 40.3k | $0.00 | $0 | | 02/06/2020 |