1) ALTERG RESOURCES LLC

2) AMERICAN PUBLIC GAS ASSOCIATION

3) APEX CLEAN ENERGY, INC

4) ARKEMA INC.

5) BLACK MOUNTAIN LAND COMPANY LP

6) CALIFORNIA RECYCLING ALLIANCE

7) CONSUMER TECHNOLOGY ASSOCIATION

8) DRAX BIOMASS INC.

9) EASTMAN CHEMICAL COMPANY

10) EATON CORPORATION

11) LANXESS CORPORATION

12) LINDE INC.

13) NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION

14) NATIONAL READY MIXED CONCRETE ASSOCIATION

15) PHILLIPS 66

16) QUINTESSENCE MARINE INC. D/B/A INVERSA LEATHERS

17) RI-CORP. DEVELOPMENT, INC.

18) STE NORTH AMERICA INC. (FORMERLY ST ENGINEERING NORTH AMERICA, INC.)

19) SYENSQO USA LLC

20) TETRA PAK INC.

21) THE PROCTER & GAMBLE COMPANY

22) WESTMORELAND MINING LLC

1) ALTERG RESOURCES LLC

2) AMBER SEMICONDUCTOR, INC

3) AMERICAN PUBLIC GAS ASSOCIATION

4) APEX CLEAN ENERGY, INC

5) APOLLO ATOMICS, INC.

6) ARKEMA INC.

7) BLACK MOUNTAIN LAND COMPANY LP

8) CALIFORNIA RECYCLING ALLIANCE

9) CONSUMER TECHNOLOGY ASSOCIATION

10) DRAX BIOMASS INC.

11) EASTMAN CHEMICAL COMPANY

12) EATON CORPORATION

13) ENTERGY SERVICES LLC

14) LANXESS CORPORATION

15) LINDE INC.

16) MARATHON PETROLEUM COMPANY LP

17) NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION

18) NATIONAL READY MIXED CONCRETE ASSOCIATION

19) PHILLIPS 66

20) QUINTESSENCE MARINE INC. D/B/A INVERSA LEATHERS

21) RI-CORP. DEVELOPMENT, INC.

22) SYENSQO USA LLC

23) TETRA PAK INC.

24) THE PROCTER & GAMBLE COMPANY

25) WESTMORELAND MINING LLC