Exhibit A JOINT FILING UNDERTAKING
Exhibit A
The undersigned, being duly authorized thereunto, hereby execute this agreement as an exhibit to this Schedule 13D to evidence the agreement of the below-named parties, in accordance with the rules promulgated pursuant to the Securities Exchange Act of 1934, to file this Schedule jointly on behalf of each such party.
Signature Block
| BOSTON AVENUE CAPITAL, LLC |
| /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ |
| By: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Manager |
| /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ |
| By: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Manager |
| VALUE FUND ADVISORS, LLC |
| /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ |
| By: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Manager |
| /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ |
| ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ |