Ownership History
| POTTER,CHRISTOPHER,TRUSTEE (75%) & | $0 | | 161/278 | 14 | 10/23/2008 |
| POTTER, CHRISTOPHER, TRUSTEE, REV. TRUST | $0 | | 153/89 | 01 | 05/23/2007 |
| POTTER, CHRISTOPHER | $0 | | 148/699 | 01 | 09/25/2006 |
| POTTER, RICHARD M | $1 | | 143/431 | 14 | 12/21/2005 |
| EXCHANGE AUTHORITY LLP, TRUSTEE | $619,000 | | 139/215 | 99 | 07/01/2005 |