1) 3 Elements Group, SA

2) Air Products and Chemicals, Inc.

3) Bayer U.S. LLC

4) BLUEBONNET ELECTRIC COOPERATIVE, INC.

5) Brazos River Authority

6) CDM Smith Inc.

7) Celanese International Corporation

8) Chisholm Trail Disposal, LLC

9) Covestro LLC

10) Daikin Comfort Technologies Manufacturing, Inc.

11) Eastman Chemical - Texas Operations

12) El Paso Water

13) Flint Hills Resources, LLC

14) Foster, Paul

15) Frontier Waste Solutions

16) Georgia-Pacific LLC

17) GEXA Energy

18) Green Group Holdings, LLC

19) Guadalupe-Blanco River Authority

20) Guardian Industries Holdings, LLC

21) Infor(US), LLC

22) INV Nylon Chemicals Americas, LLC

23) Koch Ag & Energy Solutions, LLC

24) Koch Engineered Solutions, LLC

25) Koch Supply & Trading, LP

26) Lone Star Transmission LLC

27) Lubbock Power and Light

28) New Braunfels Utilities

29) NextEra Energy Inc.

30) NextEra Energy Resources LLC

31) NextEra Energy Texas Federal Hub Operations, LLC

32) North Texas Municipal Water District

33) PCII, LLC

34) Phillips Infrastructure Corporation

35) Ruveon LLC

36) San Jacinto River Authority

37) SLR Property I, LP

38) Southern Spirit Transmission, LLC C/O Pattern Energy Group, LP

39) TEXSAR, Inc.

40) Trellis Company and Subsidiaries

41) Uranium Energy Corp

42) USJP MOU ETX Power Project SPV LLC

43) Waste Control Specialist, LLC