1) Air Products and Chemicals, Inc.

2) Alcoa USA Corp.

3) Austin StadCo LLC

4) Austin TeamCo dba Austin FC

5) Austin TrainingCo, LLC

6) Brazos River Authority

7) CDM Smith Inc.

8) Charter Communications Operating, LLC

9) Chisholm Trail Disposal, LLC

10) Cielo Wind Power LLC

11) Cirrus Logic, Inc.

12) Cook Children's Health Care System

13) CoreView USA, Inc.

14) Covestro LLC

15) Dallas Cowboys Football Club Ltd etal

16) Deloitte & Touche LLP

17) Deloitte Consulting LLP

18) DentaQuest, LLC

19) Distilled Spirits Council of the United States (DISCUS)

20) Eastman Chemical - Texas Operations

21) Flint Hills Resources, LLC

22) Frontier Waste Solutions

23) Georgia-Pacific LLC

24) GEXA Energy

25) Green Group Holdings, LLC

26) Guadalupe-Blanco River Authority

27) Guardian Industries Holdings, LLC

28) H-E-B, LP

29) Houston Astros, LLC

30) Houston Livestock Show and Rodeo, Inc.

31) Houston NFL Holdings, L.P. , DBA Houston Texans

32) Incode Techonologies, Inc.

33) Infor(US), LLC

34) INV Nylon Chemicals Americas, LLC

35) Koch Ag & Energy Solutions, LLC

36) Koch Engineered Solutions, LLC

37) Koch Supply & Trading, LP

38) Lone Star Transmission LLC

39) Lottomatrix USA Limited Liability Company

40) Lubbock Power and Light

41) National Football League

42) New Braunfels Utilities

43) NextEra Energy Inc.

44) NextEra Energy Resources LLC

45) North Texas Municipal Water District

46) Novartis Services Inc.

47) Office of the Commissioner of Baseball, DBA Major League Baseball

48) PCII, LLC

49) PGA Tour Enterprises, LLC

50) Phillips Infrastructure.Corporation

51) Puerto Verde Holdings, LLC

52) Rangers Baseball LLC

53) Reagan National Advertising of Austin Inc.

54) Robinhood Markets

55) San Jacinto River Authority

56) SH 130 Concession Company, LLC

57) Silicon Laboratories Inc.

58) SL ENERGY POWER PLANT I, LLC

59) SLR Property I, LP

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

61) Speedway Motorsports LLC

62) Sports Betting Alliance

63) Texas Irrigation Council

64) Texas Motor Speedway, LLC

65) Texas Waterway Operators Association

66) TEXSAR, Inc.

67) The Exemption Project, Inc.

68) Uranium Energy Corp

1) 3 Elements Group, SA

2) Air Products and Chemicals, Inc.

3) Alcoa USA Corp.

4) Arkansas Electric Cooperatives, Inc.

5) Bayer U.S. LLC

6) BLUEBONNET ELECTRIC COOPERATIVE, INC.�

7) Brazos River Authority

8) CDM Smith Inc.

9) Celanese International Corporation

10) Chisholm Trail Disposal, LLC

11) Cielo Wind Power LLC

12) Covestro LLC

13) Daikin Comfort Technologies North America

14) Eastman Chemical - Texas Operations

15) El Paso and Hudspeth Counties Regional Water Supply Corporation

16) El Paso Water

17) Flint Hills Resources, LLC

18) Foster, Paul

19) Frontier Waste Solutions

20) Georgia-Pacific LLC

21) GEXA Energy

22) Green Group Holdings, LLC

23) Guadalupe-Blanco River Authority

24) Guardian Industries Holdings, LLC

25) Infor(US), LLC

26) INV Nylon Chemicals Americas, LLC

27) Koch Ag & Energy Solutions, LLC

28) Koch Engineered Solutions, LLC

29) Koch Supply & Trading, LP

30) Lone Star Transmission LLC

31) Lubbock Power and Light

32) New Braunfels Utilities

33) NextEra Energy Inc.

34) NextEra Energy Resources LLC

35) North Texas Municipal Water District

36) PCII, LLC

37) Phillips Infrastructure Corporation

38) San Jacinto River Authority

39) SL ENERGY POWER PLANT I, LLC

40) SLR Property I, LP

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

42) TEXSAR, Inc.

43) Trellis Company and Subsidiaries

44) Uranium Energy Corp

45) Waste Control Specialist, LLC