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 | ||
XXXXXXX, LLC | ||
/s/ Xxxxx X. Xxxxxxx | ||
By: |
Xxxxx X. Xxxxxxx, Manager | |
XXXXX AND XXXXXXX ENERGY, LLC | ||
/s/ Xxxxx X. Xxxxxxx | ||
By: |
Xxxxx X. Xxxxxxx, Manager | |
/s/ Xxxxx X. Xxxxxxx | ||
Xxxxx X. Xxxxxxx | ||
/s/ Xxxxxxx X. Xxxxxx | ||
Xxxxxxx X. Xxxxxx |