CUSIP NO. 69323K100 SCHEDULE 13D
CUSIP NO. 00000X000 | SCHEDULE 13D |
Exhibit A
JOINT FILING UNDERTAKING
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.
Dated: October 9, 2007
Value Fund Advisors, LLC |
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By: | /s/ Xxxxxxx X. Xxxxxxx | |||
Xxxxxxx X. Xxxxxxx, Manager | ||||
Boston Avenue Capital, LLC |
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By: | /s/ Xxxxxxx X. Xxxxxxx | |||
Xxxxxxx X. Xxxxxxx, Manager | ||||
/s/ Xxxxxxx X. Xxxxxxx | ||||
Xxxxxxx X. Xxxxxxx | ||||