Ownership History
| THE HAT TRICK GROUP, LLC | $2,000,000 | | 27444/0098 | 00 | 07/01/2013 |
| JANIS RESEARCH COMPANY LLC | $100 | | 25051/0208 | 1B | 06/23/2011 |
| JANIS RESEARCH COMPANY INC | $1,667,000 | | 22613/0159 | 00 | 12/22/2008 |
| SHIELDS WM R & DEFEO A J TRS | $847,500 | | 2643/0371 | 1G | 08/19/1983 |
| JBF SCIENTIFIC CORPORATION | $505,700 | | 02394/0040 | 1F | 11/07/1979 |