Ownership History
| EARSIM III, L.C. | $0 | 1999 | 0/0 | 12/30/1999 | 990014843 |
| EARSIM III, L.C. | $0 | 1999 | 0/0 | 01/01/1999 | 990014843 |
| BOYERS, R. SAMUEL OR | $0 | 0 | 1213/695 | 01/01/1995 | 000000000 |
| ARGENBRIGHT, SAMUEL W. OR NANCY | $0 | 0 | 1131/645 | 01/01/1993 | 000000000 |
| ARGENBRIGHT, S. W. BUILDERS, INC | $0 | 0 | 1030/343 | 01/01/1992 | 000000000 |