1) Barnhart III, Paul

2) Barnhart Ranch Minerals, LP

3) Brand, Othal

4) Cedar Port Navigation and Improvement District

5) Cintra US Services LLC

6) Colorado River Municipal Water District

7) Energy Transfer LP

8) Enova International, Inc

9) Ferrovial Construction US Corp.

10) Hidalgo County Consolidated Water Control & Improvement District

11) Lower Neches Valley Authority

12) MasterCard International Inc.

13) Port of Beaumont Navigation District of Jefferson County, Texas

14) Port of Port Arthur Navigation District

15) Richardson, Timothy

16) RWE Americas Services, LLC

17) Sabine River Authority

18) Texas Merchandise Vending Association, Inc.

19) Texas Municipal Retirement System

20) TGS Cedar Port Partners, L.P.

21) TRANS-Global Solutions, Inc.

22) Westhoff Resources Ltd.

1) Barnhart III, Paul

2) Barnhart Ranch Minerals, LP

3) Brand, Othal (Mr.)

4) Cedar Port Navigation and Improvement District

5) Cintra US Services LLC

6) Colorado River Municipal Water District

7) Energy Transfer LP

8) Enova International, Inc.

9) Ferrovial Construction US Corp.

10) Hidalgo County Consolidated Water Control & Improvement District

11) Lower Neches Valley Authority

12) MasterCard International Inc.

13) Port of Beaumont Navigation District of Jefferson County, Texas

14) Port of Port Arthur Navigation District

15) Richardson, Timothy

16) RWE Americas Services, LLC

17) Sabine River Authority

18) Texas Merchandise Vending Association, Inc.

19) Texas Municipal Retirement System

20) TGS Cedar Port Partners, L.P.

21) TRANS-Global Solutions, Inc.

22) Westhoff Resources Ltd.

1) Albemarle Corporation

2) Ascend Performance Materials

3) Buckeye Partners LP

4) Calpine Corporation

5) Cheniere Energy

6) Colorado River Municipal Water District

7) Covestro

8) Enbridge Inc.

9) Enterprise Products Partners LP

10) Marathon Petroleum Company LLC

11) Phillips 66

12) Port of Houston Authority

13) Proman USA Inc

14) Texas Molecular Limited Partnership

15) Valero Energy Corporation