| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| George Christopher Kile | EVP & CFO | 1820 N-I35, GAINESVILLE | /s/ George, Christopher Kile by Calla Hackler, as Attorney-in-Fact | 09 Mar 2026 | 0001817414 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WTTR | Class A Common Stock | Award | +25,674 | +7.9% | $0.000000* | 351,108 | 05 Mar 2026 | Direct | F1 | |
| transaction | WTTR | Class A Common Stock | Tax liability | -10,103 | -2.9% | $14.03* | 341,005 | 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. |