EXHIBIT 99
Published on April 9, 2026
EXHIBIT 99.1
Joint Filer Information
Each of the following joint filers has designated Crestview Partners II GP, L.P. as the “Designated Filer” for purposes of the attached Form 4:
| 1. |
Crestview Partners II SES Investment B, LLC c/o Crestview Partners 590 Madison Avenue, 42nd floor New York, NY 10022 |
| 2. |
Crestview Partners II SES Investment, LLC c/o Crestview Partners 590 Madison Avenue, 42nd floor New York, NY 10022 |
| 3. |
Crestview Advisors, L.L.C. c/o Crestview Partners 590 Madison Avenue, 42nd floor New York, NY 10022 |
| 4. |
Robert V. Delaney, Jr. c/o Crestview Advisors, L.L.C. 590 Madison Avenue, 42nd floor New York, NY 10022 |
Date of Event Requiring Statement: April 8, 2026
Issuer Name and Ticker or Trading Symbol: Select Water Solutions, Inc. [WTTR]
| CRESTVIEW PARTNERS II SES INVESTMENT B, LLC | |||
| By: | /s/ Poojitha Manta | ||
| Name: Poojitha Manta | |||
| Title: Chief Compliance Officer | |||
| CRESTVIEW PARTNERS II SES INVESTMENT, LLC | |||
| By: | /s/ Poojitha Manta | ||
| Name: Poojitha Manta | |||
| Title: Chief Compliance Officer | |||
| CRESTVIEW ADVISORS, L.L.C. | |||
| By: | /s/ Poojitha Manta | ||
| Name: Poojitha Manta | |||
| Title: Chief Compliance Officer | |||
| ROBERT V. DELANEY, JR. | |||
| By: | /s/ Poojitha Manta, Attorney-in-Fact | ||
Date: April 9, 2026