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) Cielo Wind Power LLC

13) City of Abilene

14) City of Frisco

15) Covestro LLC

16) Cowboy Aggregates, LLC

17) Daikin Comfort Technologies North America

18) DeLa Express LLC

19) Eastman Chemical - Texas Operations

20) EdgeCloudLink, Inc.

21) El Paso and Hudspeth Counties Regional Water Supply Corporation

22) El Paso Water

23) Flint Hills Resources, LLC

24) Foster, Paul

25) Frisco Economic Development Corporation Board

26) Frontier Waste Solutions

27) Georgia-Pacific LLC

28) GEXA Energy

29) Green Group Holdings, LLC

30) Guadalupe-Blanco River Authority

31) Guardian Industries Holdings, LLC

32) Infor(US), LLC

33) INV Nylon Chemicals Americas, LLC

34) Koch Ag & Energy Solutions, LLC

35) Koch Engineered Solutions, LLC

36) Koch Supply & Trading, LP

37) Lone Star Transmission LLC

38) Lubbock Power and Light

39) Moss Lake Projects LLC

40) New Braunfels Utilities

41) NextEra Energy Inc.

42) NextEra Energy Resources LLC

43) North Texas Municipal Water District

44) PCII, LLC

45) Sky Global Partners, LLC

46) SLR Property I, LP

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

48) Summit Next Gen, LLC

49) Syngenta Corporation

50) Trellis Company and Subsidiaries

51) Waste Control Specialist, LLC