| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| LKCM Investment Partnership, L.P. | 2.9% | 1.52M | 1.52M | 0 | /s/ J. Luther King, Jr. | President of the General Partner | 0001406371 |
| LKCM Private Discipline Master Fund, SPC / PDLP Morningstar, LLC | 2.9% | 1.54M | 1.54M | 0 | /s/ J. Luther King, Jr. | Partner of the General Partner | 0001406372 |
| Luther King Capital Management Corporation | 5.8% | 3.06M | 3.06M | 0 | /s/ J. Luther King, Jr. | President | 0000310051 |
| J. Luther King, Jr. | 7.2% | 3.8M | 3.8M | 0 | /s/ J. Luther King, Jr. | J. Luther King, Jr. | 0001290407 |