Ownership History
| GRAMSTORFF CONSTANCE TR | $0 | C77591/0 | 08/24/2004 |
| GERRING ROBERT K JR ET AL | $1 | C75447/0 | 12/30/2002 |
| GERRING ROBERT K JR ET AL | $0 | C73603/0 | 09/27/2001 |
| GERRING ROBERT K JR [1/6 INT] | $0 | C69759/0 | 09/19/1998 |
| GRAMSTORFF CONSTANCE J ET AL | $1 | C66806/0 | 05/28/1996 |