1) 3 Elements Group, SA

2) Air Products and Chemicals, Inc.

3) Alcoa USA Corp.

4) American Association of Professional Landmen

5) Arkansas Electric Cooperatives, Inc.

6) Bayer U.S. LLC

7) BLUEBONNET ELECTRIC COOPERATIVE, INC.

8) Brazos River Authority

9) CDM Smith Inc.

10) Celanese International Corporation

11) Chisholm Trail Disposal, LLC

12) City of Abilene

13) City of Frisco

14) Covestro LLC

15) Cowboy Aggregates, LLC

16) Daikin Comfort Technologies North America

17) DeLa Express LLC

18) Eastman Chemical - Texas Operations

19) EdgeCloudLink, Inc.

20) El Paso and Hudspeth Counties Regional Water Supply Corporation

21) El Paso Water

22) Flint Hills Resources, LLC

23) Foster, Paul

24) Frisco Economic Development Corporation Board

25) Frontier Waste Solutions

26) Georgia-Pacific LLC

27) GEXA Energy

28) Green Group Holdings, LLC

29) Guadalupe-Blanco River Authority

30) Guardian Industries Holdings, LLC

31) Infor(US), LLC

32) INV Nylon Chemicals Americas, LLC

33) Koch Ag & Energy Solutions, LLC

34) Koch Engineered Solutions, LLC

35) Koch Supply & Trading, LP

36) Lone Star Transmission LLC

37) Lubbock Power and Light

38) Moss Lake Projects LLC

39) New Braunfels Utilities

40) NextEra Energy Inc.

41) NextEra Energy Resources LLC

42) North Texas Municipal Water District

43) Sky Global Partners, LLC

44) SLR Property I, LP

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

46) Summit Next Gen, LLC

47) Syngenta Corporation

48) Trellis Company and Subsidiaries

49) Waste Control Specialist, LLC