1) Advanced Energy Economy DBA Texas Advanced Energy Business Alliance Inc.

2) Advanced Energy United DBA Texas Advanced Energy Business Alliance Inc.

3) AT&T

4) Enchanted Rock, LLC

5) H-E-B, LP

6) Las Vegas Sands Corp.

7) Monarch Strategic Ventures

8) Muny Conservancy

9) Rayburn Country Electric Cooperative, Inc.

10) Texas Affiliation of Affordable Housing Providers