Ownership History
| PIPER STEPHEN G REV TRUST/TRUSTEE | $240,000 | 2811/0746 | 38 | 11/14/2012 |
| PIPER STEPHEN G REV TR/TRUSTEE | $4,000 | 1511/0644 | 1F | 01/19/1999 |
| PIPER STEPHEN G & LINDA A | $4,000 | 1511/0633 | 1F | 01/19/1999 |
| PIPER STEPHEN G REV TST/T | $0 | 1300/0326 | 1N | 06/13/1994 |
| PIPER STEPHEN G & LINDA A | $170,000 | 0958/0046 | 00 | 08/01/1986 |