144 0001600737 XXXXXXXX LIVE 0001693256 SELECT WATER SOLUTIONS, INC. 001-38066 1820 North I-35 Gainesville TX 76240 940-668-1818 RICHARD BURNETT Director Class A Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

45316 849221.84 124353951 05/15/2026 NYSE Class A Common 05/07/2022 Restricted stock vesting under a registered plan Issuer N 19576 05/07/2022 Services Rendered Class A Common 05/06/2023 Restricted stock vesting under a registered plan Issuer N 14705 05/06/2023 Services Rendered Class A Common 05/05/2024 Restricted stock vesting under a registered plan Issuer N 7992 05/05/2024 Services Rendered Class A Common 05/07/2025 Restricted stock vesting under a registered plan Issuer N 3043 05/07/2025 Services Rendered N RICHARD BURNETT

1820 North I-35 Gainesville TX 76240

Common 05/14/2026 19684 368754.15 05/15/2026 /s/ Richard Burnett