1) Constellation Energy Generation, LLC

2) Double Eagle Energy Holdings IV, LLC

3) EOG Resources, Inc.

4) Gravity Oilfield Services, Inc.

5) McBride Operating, LLC

6) Pedernales Electric Cooperative, Inc.

7) Permian Resources Operating, LLC

8) Tall City Brine, LLC

9) Terravolta Resources, LLC

10) Texas Alliance of Energy Producers

11) Texas Electric Cooperatives

12) Waste Control Specialists, LLC

13) WaterBridge Holdings, LLC