| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 02/12/2023 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 4k | $11.97 | $48.2k | | 02/10/2023 |
| 02/10/2023 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 3.5k | $11.97 | $41.9k | | 02/10/2023 |
| 02/06/2023 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 6.9k | $11.83 | $81.3k | | 02/06/2023 |
| 02/28/2022 | U.S. SILICA HOLDINGS, INC. | SLCA | Sale | Common Stock | 6.3k | $14.05 | $88k | | 02/28/2022 |
| 02/12/2022 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 6.9k | $10.13 | $70.1k | | 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 |
| 02/08/2022 | U.S. SILICA HOLDINGS, INC. | SLCA | Sale | Common Stock | 9.8k | $8.97 | $87.8k | | 02/08/2022 |
| 01/15/2022 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 6.1k | $11.99 | $72.9k | | 01/15/2022 |
| 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 | 19.9k | $9.13 | $181.3k | | 12/20/2021 |
| 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 | 1.6k | $9.78 | $15.6k | | 02/12/2021 |
| 02/06/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 6k | $9.04 | $54.1k | | 01/15/2021 |
| 01/15/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 6k | $9.55 | $57.2k | | 01/15/2021 |
| 12/23/2020 | U.S. SILICA HOLDINGS, INC. | SLCA | Sale | Common Stock | 14.2k | $7.36 | $104.2k | | 12/23/2020 |
| 02/06/2020 | U.S. SILICA HOLDINGS, INC. | SLCA | Grant | Common Stock | 48.4k | $0.00 | $0 | | 02/06/2020 |