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/ Xxxxxxx X. Xxxxxxx |
By: Xxxxxxx X. Xxxxxxx, Manager |
/s/ Xxxxxxx X. Xxxxxxx |
By: Xxxxxxx X. Xxxxxxx, Manager |
VALUE FUND ADVISORS, LLC |
/s/ Xxxxxxx X. Xxxxxxx |
By: Xxxxxxx X. Xxxxxxx, Manager |
/s/ Xxxxxxx X. Xxxxxxx |
Xxxxxxx X. Xxxxxxx |
