Ownership History
| MAXICLEAN LLC & COHN RICHARD & | $4,265 | | 3761/0302 | 25 | 09/25/2014 |
| MAXICLEAN LLC & COHN RICHARD & | $3,883 | | 3664/0030 | 25 | 10/28/2013 |
| MAXICLEAN LLC & COHN RICHARD & | $4,176 | | 3658/0113 | 25 | 10/08/2013 |
| MAXICLEAN CO INC & COHN RICHARD & | $71,000 | | 3655/0217 | 25 | 09/30/2013 |
| FIRST STREET PARTNERS RIGP & COHN RICHAR | $1 | | 3627/0221 | 25 | 07/17/2013 |