| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 02/12/2023 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 6.7k | $11.97 | $80.3k | | 02/10/2023 |
| 02/10/2023 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 6.1k | $11.97 | $73.2k | | 02/10/2023 |
| 02/06/2023 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 13.5k | $11.83 | $160.1k | | 02/06/2023 |
| 08/18/2022 | U.S. SILICA HOLDINGS, INC. | SLCA | Sale | Common Stock | 181.2k | $15.64 | $2.8M | | 08/18/2022 |
| 02/12/2022 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 13.1k | $10.13 | $132.3k | | 02/10/2022 |
| 02/12/2022 | U.S. SILICA HOLDINGS, INC. | SLCA | Grant | Common Stock | 45.8k | $0.00 | $0 | | 02/10/2022 |
| 02/10/2022 | U.S. SILICA HOLDINGS, INC. | SLCA | Grant | Common Stock | 46.6k | $0.00 | $0 | | 02/10/2022 |
| 12/20/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Grant | Common Stock | 26.9k | $0.00 | $0 | | 12/20/2021 |
| 12/20/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Grant | Common Stock | 20.7k | $0.00 | $0 | | 12/20/2021 |
| 12/20/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 45.1k | $9.13 | $411.9k | | 12/20/2021 |
| 04/01/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 1.4k | $13.02 | $17.8k | | 04/01/2021 |
| 04/01/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Exercise | Restricted Stock | 5.6k | $0.00 | $0 | | 04/01/2021 |
| 02/12/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Grant | Common Stock | 51.1k | $0.00 | $0 | | 02/12/2021 |
| 02/12/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 3.7k | $9.78 | $36k | | 02/12/2021 |
| 02/06/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 9.1k | $9.04 | $82.2k | | 02/06/2021 |
| 12/10/2020 | U.S. SILICA HOLDINGS, INC. | SLCA | Sale | Common Stock | 6k | $6.55 | $39.3k | | 12/10/2020 |
| 04/01/2020 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 752 | $1.55 | $1.2k | | 04/01/2020 |
| 04/01/2020 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 1.4k | $1.55 | $2.1k | | 04/01/2020 |
| 04/01/2020 | U.S. SILICA HOLDINGS, INC. | SLCA | Exercise | Restricted Stock | 3.1k | $0.00 | $0 | | 04/01/2020 |
| 04/01/2020 | U.S. SILICA HOLDINGS, INC. | SLCA | Exercise | Restricted Stock | 5.6k | $0.00 | $0 | | 04/01/2020 |
| 03/23/2020 | U.S. SILICA HOLDINGS, INC. | SLCA | Purchase | Common Stock | 50k | $1.00 | $50k | | 03/23/2020 |
| 02/06/2020 | U.S. SILICA HOLDINGS, INC. | SLCA | Grant | Common Stock | 104.8k | $0.00 | $0 | | 02/06/2020 |
| 04/01/2019 | U.S. SILICA HOLDINGS, INC. | SLCA | Exercise | Restricted Stock Units | 5.6k | $0.00 | $0 | | 03/31/2019 |
| 04/01/2019 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 2.2k | $17.25 | $38k | | 03/31/2019 |
| 04/01/2019 | U.S. SILICA HOLDINGS, INC. | SLCA | Exercise | Restricted Stock Units | 3.1k | $0.00 | $0 | | 03/31/2019 |
| 04/01/2019 | U.S. SILICA HOLDINGS, INC. | SLCA | Exercise | Restricted Stock Units | 5.6k | $0.00 | $0 | | 03/31/2019 |
| 04/01/2019 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 1.2k | $17.25 | $21k | | 03/31/2019 |
| 04/01/2019 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 2.2k | $17.25 | $38k | | 03/31/2019 |
| 03/31/2019 | U.S. SILICA HOLDINGS, INC. | SLCA | Exercise | Restricted Stock Units | 13.1k | $0.00 | $0 | | 03/31/2019 |
| 03/31/2019 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 5.2k | $17.36 | $89.5k | | 03/31/2019 |
| 02/12/2019 | U.S. SILICA HOLDINGS, INC. | SLCA | Grant | Common Stock | 30k | $12.91 | $387.8k | | 02/12/2019 |
| 02/12/2019 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 12.1k | $12.91 | $156.1k | | 02/12/2019 |
| 02/12/2019 | U.S. SILICA HOLDINGS, INC. | SLCA | Grant | Common Stock | 45.3k | $0.00 | $0 | | 02/12/2019 |
| 10/26/2018 | U.S. SILICA HOLDINGS, INC. | SLCA | Purchase | Common Stock | 2k | $13.98 | $28k | | 10/26/2018 |
| 06/01/2018 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 1.3k | $30.21 | $39.8k | | 06/01/2018 |
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