Ownership History
| YU, TONG & ZHANG, ZHONGYING | $338,500 | 1 | 1075/0422 | UNKQ | 07/28/2003 |
| LUTHER, THOMAS A | $57,000 | | 0303/0014 | UNKQ | 05/22/1987 |
| RAND, MICHAEL ETUX PAMELA | $41,000 | | 0286/0265 | UNKQ | 12/30/1986 |
| NARRAGANSETT MANAGEMENT | $40,000 | | 0280/0018 | UNKQ | 11/17/1986 |