Ownership History
| TASA LIMITED LIABILITY CO | $191,000 | | 9138/0344 | 1B | 11/01/2006 |
| DEAN-SHAVER LIM LIABILITY CO | $0 | | 5528/0112 | 1B | 12/31/1997 |
| DEAN-SHAVER CO., LTD. PTNRSHP. | $0 | | 4811/0141 | 1F | 11/22/1994 |
| DEAN-SHAVER CO., L.P. | $232,274 | | 3934/0118 | 1B | 03/28/1991 |
| S & D INC | $245,000 | | 3322/0307 | 00 | 03/28/1988 |