Ownership History
| THE TIGRAW KASTENBERG IRREVOCABLE TRUST | $547,000 | | 31186/0034 | WD | 11/22/2013 |
| DOUGHERTY, CHRISTOPHER T. | $0 | | 20794/0043 | IF | 01/20/2004 |
| DOUGHERTY, CHRISTOPHER T. | $338,000 | | 15591/0265 | JT | 07/11/2000 |
| ANDREWS, DAVID R. | $285,000 | | 08313/0140 | | 05/31/1988 |