| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 02/06/2023 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 10k | $11.83 | $118.7k | | 02/06/2023 |
| 11/01/2022 | U.S. SILICA HOLDINGS, INC. | SLCA | Sale | Common Stock | 35.9k | $14.44 | $518.1k | | 11/01/2022 |
| 08/05/2022 | U.S. SILICA HOLDINGS, INC. | SLCA | Sale | Common Stock | 40k | $14.28 | $571.2k | | 08/05/2022 |
| 02/12/2022 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 10.2k | $10.13 | $103.1k | | 02/10/2022 |
| 02/12/2022 | U.S. SILICA HOLDINGS, INC. | SLCA | Grant | Common Stock | 35.2k | $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 | 20.7k | $0.00 | $0 | | 12/20/2021 |
| 12/20/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Grant | Common Stock | 15.9k | $0.00 | $0 | | 12/20/2021 |
| 12/20/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 36.3k | $9.13 | $331k | | 12/20/2021 |
| 04/01/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Exercise | Restricted Stock | 4.2k | $0.00 | $0 | | 04/01/2021 |
| 04/01/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 1.7k | $13.02 | $21.7k | | 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 | 4.6k | $9.78 | $44.7k | | 02/12/2021 |
| 02/06/2021 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 11.2k | $9.04 | $101k | | 02/06/2021 |
| 04/01/2020 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 564 | $1.55 | $874.2 | | 04/01/2020 |
| 04/01/2020 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 1k | $1.55 | $1.6k | | 04/01/2020 |
| 04/01/2020 | U.S. SILICA HOLDINGS, INC. | SLCA | Exercise | Restricted Stock | 2.3k | $0.00 | $0 | | 04/01/2020 |
| 04/01/2020 | U.S. SILICA HOLDINGS, INC. | SLCA | Exercise | Restricted Stock | 4.2k | $0.00 | $0 | | 04/01/2020 |
| 02/12/2020 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 3.4k | $5.78 | $19.9k | | 02/12/2020 |
| 02/06/2020 | U.S. SILICA HOLDINGS, INC. | SLCA | Grant | Common Stock | 80.6k | $0.00 | $0 | | 02/06/2020 |
| 04/01/2019 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 910 | $17.25 | $15.7k | | 03/31/2019 |
| 04/01/2019 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 1.7k | $17.25 | $28.7k | | 03/31/2019 |
| 04/01/2019 | U.S. SILICA HOLDINGS, INC. | SLCA | Exercise | Restricted Stock Units | 2.3k | $0.00 | $0 | | 03/31/2019 |
| 04/01/2019 | U.S. SILICA HOLDINGS, INC. | SLCA | Exercise | Restricted Stock Units | 4.2k | $0.00 | $0 | | 03/31/2019 |
| 03/31/2019 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 3.6k | $17.36 | $61.9k | | 03/31/2019 |
| 03/31/2019 | U.S. SILICA HOLDINGS, INC. | SLCA | Exercise | Restricted Stock Units | 9.1k | $0.00 | $0 | | 03/31/2019 |
| 02/12/2019 | U.S. SILICA HOLDINGS, INC. | SLCA | Grant | Common Stock | 34.9k | $0.00 | $0 | | 02/12/2019 |
| 02/12/2019 | U.S. SILICA HOLDINGS, INC. | SLCA | Grant | Common Stock | 20.8k | $12.91 | $268.2k | | 02/12/2019 |
| 02/12/2019 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 8.5k | $12.91 | $109.4k | | 02/12/2019 |
| 09/28/2018 | U.S. SILICA HOLDINGS, INC. | SLCA | Purchase | Common Stock | 500 | $18.86 | $9.4k | | 09/28/2018 |
| 06/01/2018 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 1.3k | $30.21 | $39.8k | | 06/01/2018 |
| 06/01/2018 | U.S. SILICA HOLDINGS, INC. | SLCA | Exercise | Restricted Stock Units | 3.3k | $0.00 | $0 | | 06/01/2018 |
| 04/01/2018 | U.S. SILICA HOLDINGS, INC. | SLCA | Grant | Restricted Stock Units | 12.7k | $0.00 | $0 | | 04/01/2018 |
| 04/01/2018 | U.S. SILICA HOLDINGS, INC. | SLCA | Payment of Exercise | Common Stock | 910 | $25.52 | $23.2k | | 03/31/2018 |
| 04/01/2018 | U.S. SILICA HOLDINGS, INC. | SLCA | Exercise | Restricted Stock Units | 2.3k | $0.00 | $0 | | 03/31/2018 |
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