| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Skarke Michael | EVP & COO | 1820 N I-35, GAINESVILLE | /s/ Skarke, Michael C. by Calla Hackler, as Attorney-in-Fact | 09 Mar 2026 | 0001721029 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WTTR | Class A Common Stock | Award | +29,450 | +6.5% | $0.000000* | 482,327 | 05 Mar 2026 | Direct | F1 | |
| transaction | WTTR | Class A Common Stock | Tax liability | -11,589 | -2.4% | $14.03* | 470,738 | 05 Mar 2026 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | The reported shares are represented by performance share units ("PSUs") earned pursuant to the terms of a performance share unit award granted on February 24, 2023, to the reporting person for which the performance conditions were satisfied. |
| F2 | Represents shares to be withheld by Select Water Solutions, Inc., a Delaware corporation ("the Issuer") to satisfy tax withholding obligations of the reporting person that arose upon vesting of the PSUs. |