(512)9635250
1900 Jay Ell Drive, Richardson, TX, 75081, 
(512)8316675
1400 Lavaca St., Suite 900, Austin, TX, 78701, 
3) Cogentrix Energy Power Management LLC
4) CommuniCare Technology, Inc. d/b/a Pulsara
6) Emergency Disaster Services, Inc.
7) Emergent Biosolutions, Inc.
9) Institutional Shareholder Services, Inc.
10) MertrixIQ LLC
11) Next Decade LLC
12) Permian Strategic Partnership Inc.
17) Southwest Texas Regional Advisory Council
18) Space Exploration Technologies Corp.
19) Texans Against High Speed Rail
20) Texas Association of Voluntary Hospitals
24) Texas Retailers Association
25) The Early Care & Education Consortium
26) Tonn, Larry
28) Unisys
29) Veterans Guardian VA Claim Consulting
(614)3746769
608 Walton Street, Houston, TX, 77009, 
2) COMMUNICARE TECHNOLOGY, INC. D/B/A PULSARA
4) EMERGENT BIOSOLUTIONS, INC.
6) INSTITUTIONAL SHAREHOLDER SERVICES, INC.