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/
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By:
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▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Manager | |
| YORKTOWN AVENUE CAPITAL, LLC | ||
/s/
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By:
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▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, Manager | |
/s/
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By:
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▇▇▇▇▇▇▇ ▇▇▇, Manager | |
/s/
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