| 1 | AUSTIN CALVERT AND FLAVIN INC. |
| 2 | BROADWAY NATIONAL BANK |
| 3 | CROSSVAULT CAPITAL MANAGEMENT |
| 4 | FINSER CORPORATION |
| 5 | FROST BANK |
| 6 | FROST NATIONAL BANK FINANCIAL MANAGEMENT GROUP |
| 7 | JEFFERSON STATE BANK |
| 8 | NORTH AMERICAN DEVELOPMENT BANK |
| 9 | RACKSPACE HOSTING, INC. |
| 10 | SILVER VENTURES |
| 11 | SOUTH TEXAS MONEY MANAGEMENT LTD |
| 12 | TESORO COMPANIES INC |
| 13 | THE BANK OF SAN ANTONIO |
| 14 | U.S. GLOBAL INVESTORS INC. |
| 15 | USAA ASSET MANAGEMENT COMPANY |